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asterisk/channels/chan_unistim.c
Tilghman Lesher 6315384b63 Merged revisions 192938 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/trunk

........
  r192938 | tilghman | 2009-05-07 12:13:36 -0500 (Thu, 07 May 2009) | 6 lines
  
  Send DTMF frame before playing back audio.
  (closes issue #14858)
   Reported by: barryf
   Patches: 
         20090507__bug14858.diff.txt uploaded by tilghman (license 14)
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@192939 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-05-07 17:14:26 +00:00

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/*
* Asterisk -- An open source telephony toolkit.
*
* UNISTIM channel driver for asterisk
*
* Copyright (C) 2005 - 2007, Cedric Hans
*
* Cedric Hans <cedric.hans@mlkj.net>
*
* Asterisk 1.4 patch by Peter Be
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
*
* \brief chan_unistim channel driver for Asterisk
* \author Cedric Hans <cedric.hans@mlkj.net>
*
* Unistim (Unified Networks IP Stimulus) channel driver
* for Nortel i2002, i2004 and i2050
*
* \ingroup channel_drivers
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <sys/stat.h>
#include <signal.h>
#if defined(__CYGWIN__)
/*
* cygwin headers are partly inconsistent. struct iovec is defined in sys/uio.h
* which is not included by default by sys/socket.h - in_pktinfo is defined in
* w32api/ws2tcpip.h but this probably has compatibility problems with sys/socket.h
* So for the time being we simply disable HAVE_PKTINFO when building under cygwin.
* This should be done in some common header, but for now this is the only file
* using iovec and in_pktinfo so it suffices to apply the fix here.
*/
#ifdef HAVE_PKTINFO
#undef HAVE_PKTINFO
#endif
#endif /* __CYGWIN__ */
#include "asterisk/paths.h" /* ast_config_AST_LOG_DIR used in (too ?) many places */
#include "asterisk/network.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/event.h"
#include "asterisk/rtp.h"
#include "asterisk/netsock.h"
#include "asterisk/acl.h"
#include "asterisk/callerid.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/causes.h"
#include "asterisk/indications.h"
/*! Beware, G729 and G723 are not supported by asterisk, except with the proper licence */
#define CAPABILITY AST_FORMAT_ALAW | AST_FORMAT_ULAW /* | AST_FORMAT_G729A | AST_FORMAT_G723_1 */
#define DEFAULTCONTEXT "default"
#define DEFAULTCALLERID "Unknown"
#define DEFAULTCALLERNAME " "
#define USTM_LOG_DIR "unistimHistory"
/*! Size of the transmit buffer */
#define MAX_BUF_SIZE 64
/*! Number of slots for the transmit queue */
#define MAX_BUF_NUMBER 50
/*! Try x times before removing the phone */
#define NB_MAX_RETRANSMIT 8
/*! Nb of milliseconds waited when no events are scheduled */
#define IDLE_WAIT 1000
/*! Wait x milliseconds before resending a packet */
#define RETRANSMIT_TIMER 2000
/*! How often the mailbox is checked for new messages */
#define TIMER_MWI 10000
/*! Not used */
#define DEFAULT_CODEC 0x00
#define SIZE_PAGE 4096
#define DEVICE_NAME_LEN 16
#define AST_CONFIG_MAX_PATH 255
#define MAX_ENTRY_LOG 30
#define SUB_REAL 0
#define SUB_THREEWAY 1
#define MAX_SUBS 2
enum autoprovision {
AUTOPROVISIONING_NO = 0,
AUTOPROVISIONING_YES,
AUTOPROVISIONING_DB,
AUTOPROVISIONING_TN
};
enum autoprov_extn {
/*! Do not create an extension into the default dialplan */
EXTENSION_NONE = 0,
/*! Prompt user for an extension number and register it */
EXTENSION_ASK,
/*! Register an extension with the line=> value */
EXTENSION_LINE,
/*! Used with AUTOPROVISIONING_TN */
EXTENSION_TN
};
#define OUTPUT_HANDSET 0xC0
#define OUTPUT_HEADPHONE 0xC1
#define OUTPUT_SPEAKER 0xC2
#define VOLUME_LOW 0x01
#define VOLUME_LOW_SPEAKER 0x03
#define VOLUME_NORMAL 0x02
#define VOLUME_INSANELY_LOUD 0x07
#define MUTE_OFF 0x00
#define MUTE_ON 0xFF
#define MUTE_ON_DISCRET 0xCE
#define SIZE_HEADER 6
#define SIZE_MAC_ADDR 17
#define TEXT_LENGTH_MAX 24
#define TEXT_LINE0 0x00
#define TEXT_LINE1 0x20
#define TEXT_LINE2 0x40
#define TEXT_NORMAL 0x05
#define TEXT_INVERSE 0x25
#define STATUS_LENGTH_MAX 28
#define FAV_ICON_NONE 0x00
#define FAV_ICON_ONHOOK_BLACK 0x20
#define FAV_ICON_ONHOOK_WHITE 0x21
#define FAV_ICON_SPEAKER_ONHOOK_BLACK 0x22
#define FAV_ICON_SPEAKER_ONHOOK_WHITE 0x23
#define FAV_ICON_OFFHOOK_BLACK 0x24
#define FAV_ICON_OFFHOOK_WHITE 0x25
#define FAV_ICON_ONHOLD_BLACK 0x26
#define FAV_ICON_ONHOLD_WHITE 0x27
#define FAV_ICON_SPEAKER_OFFHOOK_BLACK 0x28
#define FAV_ICON_SPEAKER_OFFHOOK_WHITE 0x29
#define FAV_ICON_PHONE_BLACK 0x2A
#define FAV_ICON_PHONE_WHITE 0x2B
#define FAV_ICON_SPEAKER_ONHOLD_BLACK 0x2C
#define FAV_ICON_SPEAKER_ONHOLD_WHITE 0x2D
#define FAV_ICON_HEADPHONES 0x2E
#define FAV_ICON_HEADPHONES_ONHOLD 0x2F
#define FAV_ICON_HOME 0x30
#define FAV_ICON_CITY 0x31
#define FAV_ICON_SHARP 0x32
#define FAV_ICON_PAGER 0x33
#define FAV_ICON_CALL_CENTER 0x34
#define FAV_ICON_FAX 0x35
#define FAV_ICON_MAILBOX 0x36
#define FAV_ICON_REFLECT 0x37
#define FAV_ICON_COMPUTER 0x38
#define FAV_ICON_FORWARD 0x39
#define FAV_ICON_LOCKED 0x3A
#define FAV_ICON_TRASH 0x3B
#define FAV_ICON_INBOX 0x3C
#define FAV_ICON_OUTBOX 0x3D
#define FAV_ICON_MEETING 0x3E
#define FAV_ICON_BOX 0x3F
#define FAV_BLINK_FAST 0x20
#define FAV_BLINK_SLOW 0x40
#define FAV_MAX_LENGTH 0x0A
static void dummy(char *dummy, ...)
{
return;
}
/*! \brief Global jitterbuffer configuration - by default, jb is disabled */
static struct ast_jb_conf default_jbconf =
{
.flags = 0,
.max_size = -1,
.resync_threshold = -1,
.impl = ""
};
static struct ast_jb_conf global_jbconf;
/* #define DUMP_PACKET 1 */
/* #define DEBUG_TIMER ast_verbose */
#define DEBUG_TIMER dummy
/*! Enable verbose output. can also be set with the CLI */
static int unistimdebug = 0;
static int unistim_port;
static enum autoprovision autoprovisioning = AUTOPROVISIONING_NO;
static int unistim_keepalive;
static int unistimsock = -1;
static unsigned int tos = 0;
static unsigned int tos_audio = 0;
static unsigned int cos = 0;
static unsigned int cos_audio = 0;
static struct io_context *io;
static struct sched_context *sched;
static struct sockaddr_in public_ip = { 0, };
/*! give the IP address for the last packet received */
static struct sockaddr_in addr_from;
/*! size of the sockaddr_in (in WSARecvFrom) */
static unsigned int size_addr_from = sizeof(addr_from);
/*! Receive buffer address */
static unsigned char *buff;
static int unistim_reloading = 0;
AST_MUTEX_DEFINE_STATIC(unistim_reload_lock);
AST_MUTEX_DEFINE_STATIC(usecnt_lock);
static int usecnt = 0;
/* extern char ast_config_AST_LOG_DIR[AST_CONFIG_MAX_PATH]; */
/*! This is the thread for the monitor which checks for input on the channels
* which are not currently in use. */
static pthread_t monitor_thread = AST_PTHREADT_NULL;
/*! Protect the monitoring thread, so only one process can kill or start it, and not
* when it's doing something critical. */
AST_MUTEX_DEFINE_STATIC(monlock);
/*! Protect the session list */
AST_MUTEX_DEFINE_STATIC(sessionlock);
/*! Protect the device list */
AST_MUTEX_DEFINE_STATIC(devicelock);
enum phone_state {
STATE_INIT,
STATE_AUTHDENY,
STATE_MAINPAGE,
STATE_EXTENSION,
STATE_DIALPAGE,
STATE_RINGING,
STATE_CALL,
STATE_SELECTCODEC,
STATE_CLEANING,
STATE_HISTORY
};
enum handset_state {
STATE_ONHOOK,
STATE_OFFHOOK,
};
enum phone_key {
KEY_0 = 0x40,
KEY_1 = 0x41,
KEY_2 = 0x42,
KEY_3 = 0x43,
KEY_4 = 0x44,
KEY_5 = 0x45,
KEY_6 = 0x46,
KEY_7 = 0x47,
KEY_8 = 0x48,
KEY_9 = 0x49,
KEY_STAR = 0x4a,
KEY_SHARP = 0x4b,
KEY_UP = 0x4c,
KEY_DOWN = 0x4d,
KEY_RIGHT = 0x4e,
KEY_LEFT = 0x4f,
KEY_QUIT = 0x50,
KEY_COPY = 0x51,
KEY_FUNC1 = 0x54,
KEY_FUNC2 = 0x55,
KEY_FUNC3 = 0x56,
KEY_FUNC4 = 0x57,
KEY_ONHOLD = 0x5b,
KEY_HANGUP = 0x5c,
KEY_MUTE = 0x5d,
KEY_HEADPHN = 0x5e,
KEY_LOUDSPK = 0x5f,
KEY_FAV0 = 0x60,
KEY_FAV1 = 0x61,
KEY_FAV2 = 0x62,
KEY_FAV3 = 0x63,
KEY_FAV4 = 0x64,
KEY_FAV5 = 0x65,
KEY_COMPUTR = 0x7b,
KEY_CONF = 0x7c,
KEY_SNDHIST = 0x7d,
KEY_RCVHIST = 0x7e,
KEY_INDEX = 0x7f
};
struct tone_zone_unistim {
char country[3];
int freq1;
int freq2;
};
static const struct tone_zone_unistim frequency[] = {
{"us", 350, 440},
{"fr", 440, 0},
{"au", 413, 438},
{"nl", 425, 0},
{"uk", 350, 440},
{"fi", 425, 0},
{"es", 425, 0},
{"jp", 400, 0},
{"no", 425, 0},
{"at", 420, 0},
{"nz", 400, 0},
{"tw", 350, 440},
{"cl", 400, 0},
{"se", 425, 0},
{"be", 425, 0},
{"sg", 425, 0},
{"il", 414, 0},
{"br", 425, 0},
{"hu", 425, 0},
{"lt", 425, 0},
{"pl", 425, 0},
{"za", 400, 0},
{"pt", 425, 0},
{"ee", 425, 0},
{"mx", 425, 0},
{"in", 400, 0},
{"de", 425, 0},
{"ch", 425, 0},
{"dk", 425, 0},
{"cn", 450, 0},
{"--", 0, 0}
};
struct wsabuf {
u_long len;
unsigned char *buf;
};
struct systemtime {
unsigned short w_year;
unsigned short w_month;
unsigned short w_day_of_week;
unsigned short w_day;
unsigned short w_hour;
unsigned short w_minute;
unsigned short w_second;
unsigned short w_milliseconds;
};
struct unistim_subchannel {
ast_mutex_t lock;
/*! SUBS_REAL or SUBS_THREEWAY */
unsigned int subtype;
/*! Asterisk channel used by the subchannel */
struct ast_channel *owner;
/*! Unistim line */
struct unistim_line *parent;
/*! RTP handle */
struct ast_rtp *rtp;
int alreadygone;
char ringvolume;
char ringstyle;
};
/*!
* \todo Convert to stringfields
*/
struct unistim_line {
ast_mutex_t lock;
/*! Like 200 */
char name[80];
/*! Like USTM/200\@black */
char fullname[80];
/*! pointer to our current connection, channel... */
struct unistim_subchannel *subs[MAX_SUBS];
/*! Extension where to start */
char exten[AST_MAX_EXTENSION];
/*! Context to start in */
char context[AST_MAX_EXTENSION];
/*! Language for asterisk sounds */
char language[MAX_LANGUAGE];
/*! CallerID Number */
char cid_num[AST_MAX_EXTENSION];
/*! Mailbox for MWI */
char mailbox[AST_MAX_EXTENSION];
/*! Used by MWI */
int lastmsgssent;
/*! Used by MWI */
time_t nextmsgcheck;
/*! MusicOnHold class */
char musicclass[MAX_MUSICCLASS];
/*! Call group */
unsigned int callgroup;
/*! Pickup group */
unsigned int pickupgroup;
/*! Account code (for billing) */
char accountcode[80];
/*! AMA flags (for billing) */
int amaflags;
/*! Codec supported */
int capability;
struct unistim_line *next;
struct unistim_device *parent;
};
/*!
* \brief A device containing one or more lines
*/
static struct unistim_device {
int receiver_state; /*!< state of the receiver (see ReceiverState) */
int size_phone_number; /*!< size of the phone number */
char phone_number[16]; /*!< the phone number entered by the user */
char redial_number[16]; /*!< the last phone number entered by the user */
int phone_current; /*!< Number of the current phone */
int pos_fav; /*!< Position of the displayed favorites (used for scrolling) */
char id[18]; /*!< mac address of the current phone in ascii */
char name[DEVICE_NAME_LEN]; /*!< name of the device */
int softkeylinepos; /*!< position of the line softkey (default 0) */
char softkeylabel[6][11]; /*!< soft key label */
char softkeynumber[6][16]; /*!< number dialed when the soft key is pressed */
char softkeyicon[6]; /*!< icon number */
char softkeydevice[6][16]; /*!< name of the device monitored */
struct unistim_device *sp[6]; /*!< pointer to the device monitored by this soft key */
char maintext0[25]; /*!< when the phone is idle, display this string on line 0 */
char maintext1[25]; /*!< when the phone is idle, display this string on line 1 */
char maintext2[25]; /*!< when the phone is idle, display this string on line 2 */
char titledefault[13]; /*!< title (text before date/time) */
char datetimeformat; /*!< format used for displaying time/date */
char contrast; /*!< contrast */
char country[3]; /*!< country used for dial tone frequency */
struct tone_zone *tz; /*!< Tone zone for res_indications (ring, busy, congestion) */
char ringvolume; /*!< Ring volume */
char ringstyle; /*!< Ring melody */
int rtp_port; /*!< RTP port used by the phone */
int rtp_method; /*!< Select the unistim data used to establish a RTP session */
int status_method; /*!< Select the unistim packet used for sending status text */
char codec_number; /*!< The current codec used to make calls */
int missed_call; /*!< Number of call unanswered */
int callhistory; /*!< Allowed to record call history */
char lst_cid[TEXT_LENGTH_MAX]; /*!< Last callerID received */
char lst_cnm[TEXT_LENGTH_MAX]; /*!< Last callername recevied */
char call_forward[AST_MAX_EXTENSION]; /*!< Forward number */
int output; /*!< Handset, headphone or speaker */
int previous_output; /*!< Previous output */
int volume; /*!< Default volume */
int mute; /*!< Mute mode */
int moh; /*!< Music on hold in progress */
int nat; /*!< Used by the obscure ast_rtp_setnat */
enum autoprov_extn extension; /*!< See ifdef EXTENSION for valid values */
char extension_number[11]; /*!< Extension number entered by the user */
char to_delete; /*!< Used in reload */
time_t start_call_timestamp; /*!< timestamp for the length calculation of the call */
struct ast_silence_generator *silence_generator;
struct unistim_line *lines;
struct ast_ha *ha;
struct unistimsession *session;
struct unistim_device *next;
} *devices = NULL;
static struct unistimsession {
ast_mutex_t lock;
struct sockaddr_in sin; /*!< IP address of the phone */
struct sockaddr_in sout; /*!< IP address of server */
int timeout; /*!< time-out in ticks : resend packet if no ack was received before the timeout occured */
unsigned short seq_phone; /*!< sequence number for the next packet (when we receive a request) */
unsigned short seq_server; /*!< sequence number for the next packet (when we send a request) */
unsigned short last_seq_ack; /*!< sequence number of the last ACK received */
unsigned long tick_next_ping; /*!< time for the next ping */
int last_buf_available; /*!< number of a free slot */
int nb_retransmit; /*!< number of retransmition */
int state; /*!< state of the phone (see phone_state) */
int size_buff_entry; /*!< size of the buffer used to enter datas */
char buff_entry[16]; /*!< Buffer for temporary datas */
char macaddr[18]; /*!< mac adress of the phone (not always available) */
struct wsabuf wsabufsend[MAX_BUF_NUMBER]; /*!< Size of each paquet stored in the buffer array & pointer to this buffer */
unsigned char buf[MAX_BUF_NUMBER][MAX_BUF_SIZE]; /*!< Buffer array used to keep the lastest non-acked paquets */
struct unistim_device *device;
struct unistimsession *next;
} *sessions = NULL;
/*!
* \page Unistim datagram formats
*
* Format of datagrams :
* bytes 0 & 1 : ffff for discovery packet, 0000 for everything else
* byte 2 : sequence number (high part)
* byte 3 : sequence number (low part)
* byte 4 : 2 = ask question or send info, 1 = answer or ACK, 0 = retransmit request
* byte 5 : direction, 1 = server to phone, 2 = phone to server arguments
*/
const static unsigned char packet_rcv_discovery[] =
{ 0xff, 0xff, 0xff, 0xff, 0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0x9e, 0x03, 0x08 };
static unsigned char packet_send_discovery_ack[] =
{ 0x00, 0x00, /*Initial Seq (2 bytes) */ 0x00, 0x00, 0x00, 0x01 };
const static unsigned char packet_recv_firm_version[] =
{ 0x00, 0x00, 0x00, 0x13, 0x9a, 0x0a, 0x02 };
const static unsigned char packet_recv_pressed_key[] =
{ 0x00, 0x00, 0x00, 0x13, 0x99, 0x04, 0x00 };
const static unsigned char packet_recv_pick_up[] =
{ 0x00, 0x00, 0x00, 0x13, 0x99, 0x03, 0x04 };
const static unsigned char packet_recv_hangup[] =
{ 0x00, 0x00, 0x00, 0x13, 0x99, 0x03, 0x03 };
const static unsigned char packet_recv_r2[] = { 0x00, 0x00, 0x00, 0x13, 0x96, 0x03, 0x03 };
/*! TransportAdapter */
const static unsigned char packet_recv_resume_connection_with_server[] =
{ 0xff, 0xff, 0xff, 0xff, 0x9e, 0x03, 0x08 };
const static unsigned char packet_recv_mac_addr[] =
{ 0xff, 0xff, 0xff, 0xff, 0x9a, 0x0d, 0x07 /*MacAddr */ };
const static unsigned char packet_send_date_time3[] =
{ 0x11, 0x09, 0x02, 0x02, /*Month */ 0x05, /*Day */ 0x06, /*Hour */ 0x07,
/*Minutes */ 0x08, 0x32
};
const static unsigned char packet_send_date_time[] =
{ 0x11, 0x09, 0x02, 0x0a, /*Month */ 0x05, /*Day */ 0x06, /*Hour */ 0x07, /*Minutes */
0x08, 0x32, 0x17, 0x04, 0x24, 0x07, 0x19,
0x04, 0x07, 0x00, 0x19, 0x05, 0x09, 0x3e, 0x0f, 0x16, 0x05, 0x00, 0x80, 0x00, 0x1e,
0x05, 0x12, 0x00, 0x78
};
const static unsigned char packet_send_no_ring[] =
{ 0x16, 0x04, 0x1a, 0x00, 0x16, 0x04, 0x11, 0x00 };
const static unsigned char packet_send_s4[] =
{ 0x16, 0x04, 0x1a, 0x00, 0x16, 0x04, 0x11, 0x00, 0x16, 0x06, 0x32, 0xdf, 0x00, 0xff,
0x16, 0x05, 0x1c, 0x00, 0x00, 0x17, 0x05,
0x0b, 0x00, 0x00, 0x19, 0x04, 0x00, 0x00, 0x19, 0x04, 0x00, 0x08, 0x19, 0x04, 0x00,
0x10, 0x19, 0x04, 0x00, 0x18, 0x16, 0x05,
0x31, 0x00, 0x00, 0x16, 0x05, 0x04, 0x00, 0x00
};
const static unsigned char packet_send_call[] =
{ 0x16, 0x04, 0x1a, 0x00, 0x16, 0x04, 0x11, 0x00, 0x16, 0x06, 0x32, 0xdf,
0x00, 0xff, 0x16, 0x05, 0x1c, 0x00, 0x00, 0x16, 0x0a, 0x38, 0x00, 0x12, 0xca, 0x03,
0xc0, 0xc3, 0xc5, 0x16, 0x16, 0x30, 0x00,
0x00, /*codec */ 0x12, 0x12, /* frames per packet */ 0x01, 0x5c, 0x00, /*port RTP */
0x0f, 0xa0, /* port RTCP */ 0x9c, 0x41,
/*port RTP */ 0x0f, 0xa0, /* port RTCP */ 0x9c, 0x41, /* IP Address */ 0x0a, 0x01,
0x16, 0x66
};
const static unsigned char packet_send_stream_based_tone_off[] =
{ 0x16, 0x05, 0x1c, 0x00, 0x00 };
/* const static unsigned char packet_send_Mute[] = { 0x16, 0x05, 0x04, 0x00, 0x00 };
const static unsigned char packet_send_CloseAudioStreamRX[] = { 0x16, 0x05, 0x31, 0x00, 0xff };
const static unsigned char packet_send_CloseAudioStreamTX[] = { 0x16, 0x05, 0x31, 0xff, 0x00 };*/
const static unsigned char packet_send_stream_based_tone_on[] =
{ 0x16, 0x06, 0x1b, 0x00, 0x00, 0x05 };
const static unsigned char packet_send_stream_based_tone_single_freq[] =
{ 0x16, 0x06, 0x1d, 0x00, 0x01, 0xb8 };
const static unsigned char packet_send_stream_based_tone_dial_freq[] =
{ 0x16, 0x08, 0x1d, 0x00, 0x01, 0xb8, 0x01, 0x5e };
const static unsigned char packet_send_select_output[] =
{ 0x16, 0x06, 0x32, 0xc0, 0x01, 0x00 };
const static unsigned char packet_send_ring[] =
{ 0x16, 0x06, 0x32, 0xdf, 0x00, 0xff, 0x16, 0x05, 0x1c, 0x00, 0x00, 0x16,
0x04, 0x1a, 0x01, 0x16, 0x05, 0x12, 0x13 /* Ring type 10 to 17 */ , 0x18, 0x16, 0x04, 0x18, /* volume 00, 10, 20... */
0x20, 0x16, 0x04, 0x10, 0x00
};
const static unsigned char packet_send_end_call[] =
{ 0x16, 0x06, 0x32, 0xdf, 0x00, 0xff, 0x16, 0x05, 0x31, 0x00, 0x00, 0x19, 0x04, 0x00,
0x10, 0x19, 0x04, 0x00, 0x18, 0x16, 0x05,
0x04, 0x00, 0x00, 0x16, 0x04, 0x37, 0x10
};
const static unsigned char packet_send_s9[] =
{ 0x16, 0x06, 0x32, 0xdf, 0x00, 0xff, 0x19, 0x04, 0x00, 0x10, 0x16, 0x05, 0x1c, 0x00,
0x00 };
const static unsigned char packet_send_rtp_packet_size[] =
{ 0x16, 0x08, 0x38, 0x00, 0x00, 0xe0, 0x00, 0xa0 };
const static unsigned char packet_send_jitter_buffer_conf[] =
{ 0x16, 0x0e, 0x3a, 0x00, /* jitter */ 0x02, /* high water mark */ 0x04, 0x00, 0x00,
/* early packet resync 2 bytes */ 0x3e, 0x80,
0x00, 0x00, /* late packet resync 2 bytes */ 0x3e, 0x80
};
/* Duration in ms div 2 (0x20 = 64ms, 0x08 = 16ms)
static unsigned char packet_send_StreamBasedToneCad[] =
{ 0x16, 0x0a, 0x1e, 0x00, duration on 0x0a, duration off 0x0d, duration on 0x0a, duration off 0x0d, duration on 0x0a, duration off 0x2b }; */
const static unsigned char packet_send_open_audio_stream_rx[] =
{ 0x16, 0x1a, 0x30, 0x00, 0xff, /* Codec */ 0x00, 0x00, 0x01, 0x00, 0xb8, 0xb8, 0x0e,
0x0e, 0x01, /* Port */ 0x14, 0x50, 0x00,
0x00, /* Port */ 0x14, 0x50, 0x00, 0x00, /* Dest IP */ 0x0a, 0x93, 0x69, 0x05
};
const static unsigned char packet_send_open_audio_stream_tx[] =
{ 0x16, 0x1a, 0x30, 0xff, 0x00, 0x00, /* Codec */ 0x00, 0x01, 0x00, 0xb8, 0xb8, 0x0e,
0x0e, 0x01, /* Local port */ 0x14, 0x50,
0x00, 0x00, /* Rmt Port */ 0x14, 0x50, 0x00, 0x00, /* Dest IP */ 0x0a, 0x93, 0x69, 0x05
};
const static unsigned char packet_send_open_audio_stream_rx3[] =
{ 0x16, 0x1a, 0x30, 0x00, 0xff, /* Codec */ 0x00, 0x00, 0x02, 0x01, 0xb8, 0xb8, 0x06,
0x06, 0x81, /* RTP Port */ 0x14, 0x50,
/* RTCP Port */ 0x14,
0x51, /* RTP Port */ 0x14, 0x50, /* RTCP Port */ 0x00, 0x00, /* Dest IP */ 0x0a, 0x93,
0x69, 0x05
};
const static unsigned char packet_send_open_audio_stream_tx3[] =
{ 0x16, 0x1a, 0x30, 0xff, 0x00, 0x00, /* Codec */ 0x00, 0x02, 0x01, 0xb8, 0xb8, 0x06,
0x06, 0x81, /* RTP Local port */ 0x14, 0x50,
/* RTCP Port */ 0x00, 0x00, /* RTP Rmt Port */ 0x14, 0x50, /* RTCP Port */ 0x00, 0x00,
/* Dest IP */ 0x0a, 0x93, 0x69, 0x05
};
const static unsigned char packet_send_arrow[] = { 0x17, 0x04, 0x04, 0x00 };
const static unsigned char packet_send_blink_cursor[] = { 0x17, 0x04, 0x10, 0x86 };
const static unsigned char packet_send_date_time2[] = { 0x17, 0x04, 0x17, 0x3d, 0x11, 0x09, 0x02, 0x0a, /*Month */ 0x05, /*Day */
0x06, /*Hour */ 0x07, /*Minutes */ 0x08, 0x32
};
const static unsigned char packet_send_Contrast[] =
{ 0x17, 0x04, 0x24, /*Contrast */ 0x08 };
const static unsigned char packet_send_StartTimer[] =
{ 0x17, 0x05, 0x0b, 0x05, 0x00, 0x17, 0x08, 0x16, /* Text */ 0x44, 0x75, 0x72, 0xe9,
0x65 };
const static unsigned char packet_send_stop_timer[] = { 0x17, 0x05, 0x0b, 0x02, 0x00 };
const static unsigned char packet_send_icon[] = { 0x17, 0x05, 0x14, /*pos */ 0x00, /*icon */ 0x25 }; /* display an icon in front of the text zone */
const static unsigned char packet_send_S7[] = { 0x17, 0x06, 0x0f, 0x30, 0x07, 0x07 };
const static unsigned char packet_send_set_pos_cursor[] =
{ 0x17, 0x06, 0x10, 0x81, 0x04, /*pos */ 0x20 };
/*static unsigned char packet_send_MonthLabelsDownload[] =
{ 0x17, 0x0a, 0x15, Month (3 char) 0x46, 0x65, 0x62, 0x4d, 0xe4, 0x72, 0x20 }; */
const static unsigned char packet_send_favorite[] =
{ 0x17, 0x0f, 0x19, 0x10, /*pos */ 0x01, /*name */ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, /*end_name */ 0x19,
0x05, 0x0f, /*pos */ 0x01, /*icone */ 0x00
};
const static unsigned char packet_send_title[] =
{ 0x17, 0x10, 0x19, 0x02, /*text */ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20 /*end_text */ };
const static unsigned char packet_send_text[] =
{ 0x17, 0x1e, 0x1b, 0x04, /*pos */ 0x00, /*inverse */ 0x25, /*text */ 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/*end_text */ 0x17, 0x04, 0x10, 0x87
};
const static unsigned char packet_send_status[] =
{ 0x17, 0x20, 0x19, 0x08, /*text */ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 /*end_text */
};
const static unsigned char packet_send_status2[] =
{ 0x17, 0x0b, 0x19, /* pos [08|28|48|68] */ 0x00, /* text */ 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20 /* end_text */ };
const static unsigned char packet_send_led_update[] = { 0x19, 0x04, 0x00, 0x00 };
const static unsigned char packet_send_query_basic_manager_04[] = { 0x1a, 0x04, 0x01, 0x04 };
const static unsigned char packet_send_query_mac_address[] = { 0x1a, 0x04, 0x01, 0x08 };
const static unsigned char packet_send_query_basic_manager_10[] = { 0x1a, 0x04, 0x01, 0x10 };
const static unsigned char packet_send_S1[] = { 0x1a, 0x07, 0x07, 0x00, 0x00, 0x00, 0x13 };
static unsigned char packet_send_ping[] =
{ 0x1e, 0x05, 0x12, 0x00, /*Watchdog timer */ 0x78 };
#define BUFFSEND unsigned char buffsend[64] = { 0x00, 0x00, 0xaa, 0xbb, 0x02, 0x01 }
const static char tdesc[] = "UNISTIM Channel Driver";
const static char type[] = "USTM";
/*! Protos */
static struct ast_channel *unistim_new(struct unistim_subchannel *sub, int state);
static int load_module(void);
static int reload(void);
static int unload_module(void);
static int reload_config(void);
static void show_main_page(struct unistimsession *pte);
static struct ast_channel *unistim_request(const char *type, int format,
void *data, int *cause);
static int unistim_call(struct ast_channel *ast, char *dest, int timeout);
static int unistim_hangup(struct ast_channel *ast);
static int unistim_answer(struct ast_channel *ast);
static struct ast_frame *unistim_read(struct ast_channel *ast);
static int unistim_write(struct ast_channel *ast, struct ast_frame *frame);
static int unistim_indicate(struct ast_channel *ast, int ind, const void *data,
size_t datalen);
static int unistim_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
static int unistim_senddigit_begin(struct ast_channel *ast, char digit);
static int unistim_senddigit_end(struct ast_channel *ast, char digit,
unsigned int duration);
static int unistim_sendtext(struct ast_channel *ast, const char *text);
static int write_entry_history(struct unistimsession *pte, FILE * f, char c,
char *line1);
static void change_callerid(struct unistimsession *pte, int type, char *callerid);
static const struct ast_channel_tech unistim_tech = {
.type = type,
.description = tdesc,
.capabilities = CAPABILITY,
.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
.requester = unistim_request,
.call = unistim_call,
.hangup = unistim_hangup,
.answer = unistim_answer,
.read = unistim_read,
.write = unistim_write,
.indicate = unistim_indicate,
.fixup = unistim_fixup,
.send_digit_begin = unistim_senddigit_begin,
.send_digit_end = unistim_senddigit_end,
.send_text = unistim_sendtext,
/* .bridge = ast_rtp_bridge, */
};
static void display_last_error(const char *sz_msg)
{
time_t cur_time;
time(&cur_time);
/* Display the error message */
ast_log(LOG_WARNING, "%s %s : (%u) %s\n", ctime(&cur_time), sz_msg, errno,
strerror(errno));
}
static unsigned int get_tick_count(void)
{
struct timeval tv = ast_tvnow();
return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
}
/* Send data to a phone without retransmit nor buffering */
static void send_raw_client(int size, unsigned char *data, struct sockaddr_in *addr_to,
const struct sockaddr_in *addr_ourip)
{
#ifdef HAVE_PKTINFO
struct iovec msg_iov;
struct msghdr msg;
char buffer[CMSG_SPACE(sizeof(struct in_pktinfo))];
struct cmsghdr *ip_msg = (struct cmsghdr *) buffer;
struct in_pktinfo *pki = (struct in_pktinfo *) CMSG_DATA(ip_msg);
msg_iov.iov_base = data;
msg_iov.iov_len = size;
msg.msg_name = addr_to; /* optional address */
msg.msg_namelen = sizeof(struct sockaddr_in); /* size of address */
msg.msg_iov = &msg_iov; /* scatter/gather array */
msg.msg_iovlen = 1; /* # elements in msg_iov */
msg.msg_control = ip_msg; /* ancillary data */
msg.msg_controllen = sizeof(buffer); /* ancillary data buffer len */
msg.msg_flags = 0; /* flags on received message */
ip_msg->cmsg_len = CMSG_LEN(sizeof(*pki));
ip_msg->cmsg_level = IPPROTO_IP;
ip_msg->cmsg_type = IP_PKTINFO;
pki->ipi_ifindex = 0; /* Interface index, 0 = use interface specified in routing table */
pki->ipi_spec_dst.s_addr = addr_ourip->sin_addr.s_addr; /* Local address */
/* pki->ipi_addr = ; Header Destination address - ignored by kernel */
#ifdef DUMP_PACKET
if (unistimdebug) {
int tmp;
char iabuf[INET_ADDRSTRLEN];
char iabuf2[INET_ADDRSTRLEN];
ast_verb(0, "\n**> From %s sending %d bytes to %s ***\n",
ast_inet_ntoa(addr_ourip->sin_addr), (int) size,
ast_inet_ntoa(addr_to->sin_addr));
for (tmp = 0; tmp < size; tmp++)
ast_verb(0, "%.2x ", (unsigned char) data[tmp]);
ast_verb(0, "\n******************************************\n");
}
#endif
if (sendmsg(unistimsock, &msg, 0) == -1)
display_last_error("Error sending datas");
#else
if (sendto(unistimsock, data, size, 0, (struct sockaddr *) addr_to, sizeof(*addr_to))
== -1)
display_last_error("Error sending datas");
#endif
}
static void send_client(int size, const unsigned char *data, struct unistimsession *pte)
{
unsigned int tick;
int buf_pos;
unsigned short *sdata = (unsigned short *) data;
ast_mutex_lock(&pte->lock);
buf_pos = pte->last_buf_available;
if (buf_pos >= MAX_BUF_NUMBER) {
ast_log(LOG_WARNING, "Error : send queue overflow\n");
ast_mutex_unlock(&pte->lock);
return;
}
sdata[1] = ntohs(++(pte->seq_server));
pte->wsabufsend[buf_pos].len = size;
memcpy(pte->wsabufsend[buf_pos].buf, data, size);
tick = get_tick_count();
pte->timeout = tick + RETRANSMIT_TIMER;
/*#ifdef DUMP_PACKET */
if (unistimdebug)
ast_verb(6, "Sending datas with seq #0x%.4x Using slot #%d :\n", pte->seq_server, buf_pos);
/*#endif */
send_raw_client(pte->wsabufsend[buf_pos].len, pte->wsabufsend[buf_pos].buf, &(pte->sin),
&(pte->sout));
pte->last_buf_available++;
ast_mutex_unlock(&pte->lock);
}
static void send_ping(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(6, "Sending ping\n");
pte->tick_next_ping = get_tick_count() + unistim_keepalive;
memcpy(buffsend + SIZE_HEADER, packet_send_ping, sizeof(packet_send_ping));
send_client(SIZE_HEADER + sizeof(packet_send_ping), buffsend, pte);
}
static int get_to_address(int fd, struct sockaddr_in *toAddr)
{
#ifdef HAVE_PKTINFO
int err;
struct msghdr msg;
struct {
struct cmsghdr cm;
int len;
struct in_addr address;
} ip_msg;
/* Zero out the structures before we use them */
/* This sets several key values to NULL */
memset(&msg, 0, sizeof(msg));
memset(&ip_msg, 0, sizeof(ip_msg));
/* Initialize the message structure */
msg.msg_control = &ip_msg;
msg.msg_controllen = sizeof(ip_msg);
/* Get info about the incoming packet */
err = recvmsg(fd, &msg, MSG_PEEK);
if (err == -1)
ast_log(LOG_WARNING, "recvmsg returned an error: %s\n", strerror(errno));
memcpy(&toAddr->sin_addr, &ip_msg.address, sizeof(struct in_addr));
return err;
#else
memcpy(&toAddr, &public_ip, sizeof(&toAddr));
return 0;
#endif
}
/* Allocate memory & initialize structures for a new phone */
/* addr_from : ip address of the phone */
static struct unistimsession *create_client(const struct sockaddr_in *addr_from)
{
int tmp;
struct unistimsession *s;
if (!(s = ast_calloc(1, sizeof(*s))))
return NULL;
memcpy(&s->sin, addr_from, sizeof(struct sockaddr_in));
get_to_address(unistimsock, &s->sout);
if (unistimdebug) {
ast_verb(0, "Creating a new entry for the phone from %s received via server ip %s\n",
ast_inet_ntoa(addr_from->sin_addr), ast_inet_ntoa(s->sout.sin_addr));
}
ast_mutex_init(&s->lock);
ast_mutex_lock(&sessionlock);
s->next = sessions;
sessions = s;
s->timeout = get_tick_count() + RETRANSMIT_TIMER;
s->seq_phone = (short) 0x0000;
s->seq_server = (short) 0x0000;
s->last_seq_ack = (short) 0x000;
s->last_buf_available = 0;
s->nb_retransmit = 0;
s->state = STATE_INIT;
s->tick_next_ping = get_tick_count() + unistim_keepalive;
/* Initialize struct wsabuf */
for (tmp = 0; tmp < MAX_BUF_NUMBER; tmp++) {
s->wsabufsend[tmp].buf = s->buf[tmp];
}
ast_mutex_unlock(&sessionlock);
return s;
}
static void send_end_call(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending end call\n");
memcpy(buffsend + SIZE_HEADER, packet_send_end_call, sizeof(packet_send_end_call));
send_client(SIZE_HEADER + sizeof(packet_send_end_call), buffsend, pte);
}
static void set_ping_timer(struct unistimsession *pte)
{
unsigned int tick = 0; /* XXX what is this for, anyways */
pte->timeout = pte->tick_next_ping;
DEBUG_TIMER("tick = %u next ping at %u tick\n", tick, pte->timeout);
return;
}
/* Checking if our send queue is empty,
* if true, setting up a timer for keepalive */
static void check_send_queue(struct unistimsession *pte)
{
/* Check if our send queue contained only one element */
if (pte->last_buf_available == 1) {
if (unistimdebug)
ast_verb(6, "Our single packet was ACKed.\n");
pte->last_buf_available--;
set_ping_timer(pte);
return;
}
/* Check if this ACK catch up our latest packet */
else if (pte->last_seq_ack + 1 == pte->seq_server + 1) {
if (unistimdebug)
ast_verb(6, "Our send queue is completely ACKed.\n");
pte->last_buf_available = 0; /* Purge the send queue */
set_ping_timer(pte);
return;
}
if (unistimdebug)
ast_verb(6, "We still have packets in our send queue\n");
return;
}
static void send_start_timer(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending start timer\n");
memcpy(buffsend + SIZE_HEADER, packet_send_StartTimer, sizeof(packet_send_StartTimer));
send_client(SIZE_HEADER + sizeof(packet_send_StartTimer), buffsend, pte);
}
static void send_stop_timer(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending stop timer\n");
memcpy(buffsend + SIZE_HEADER, packet_send_stop_timer, sizeof(packet_send_stop_timer));
send_client(SIZE_HEADER + sizeof(packet_send_stop_timer), buffsend, pte);
}
static void Sendicon(unsigned char pos, unsigned char status, struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending icon pos %d with status 0x%.2x\n", pos, status);
memcpy(buffsend + SIZE_HEADER, packet_send_icon, sizeof(packet_send_icon));
buffsend[9] = pos;
buffsend[10] = status;
send_client(SIZE_HEADER + sizeof(packet_send_icon), buffsend, pte);
}
static void send_tone(struct unistimsession *pte, uint16_t tone1, uint16_t tone2)
{
BUFFSEND;
if (!tone1) {
if (unistimdebug)
ast_verb(0, "Sending Stream Based Tone Off\n");
memcpy(buffsend + SIZE_HEADER, packet_send_stream_based_tone_off,
sizeof(packet_send_stream_based_tone_off));
send_client(SIZE_HEADER + sizeof(packet_send_stream_based_tone_off), buffsend, pte);
return;
}
/* Since most of the world use a continuous tone, it's useless
if (unistimdebug)
ast_verb(0, "Sending Stream Based Tone Cadence Download\n");
memcpy (buffsend + SIZE_HEADER, packet_send_StreamBasedToneCad, sizeof (packet_send_StreamBasedToneCad));
send_client (SIZE_HEADER + sizeof (packet_send_StreamBasedToneCad), buffsend, pte); */
if (unistimdebug)
ast_verb(0, "Sending Stream Based Tone Frequency Component List Download %d %d\n", tone1, tone2);
tone1 *= 8;
if (!tone2) {
memcpy(buffsend + SIZE_HEADER, packet_send_stream_based_tone_single_freq,
sizeof(packet_send_stream_based_tone_single_freq));
buffsend[10] = (tone1 & 0xff00) >> 8;
buffsend[11] = (tone1 & 0x00ff);
send_client(SIZE_HEADER + sizeof(packet_send_stream_based_tone_single_freq), buffsend,
pte);
} else {
tone2 *= 8;
memcpy(buffsend + SIZE_HEADER, packet_send_stream_based_tone_dial_freq,
sizeof(packet_send_stream_based_tone_dial_freq));
buffsend[10] = (tone1 & 0xff00) >> 8;
buffsend[11] = (tone1 & 0x00ff);
buffsend[12] = (tone2 & 0xff00) >> 8;
buffsend[13] = (tone2 & 0x00ff);
send_client(SIZE_HEADER + sizeof(packet_send_stream_based_tone_dial_freq), buffsend,
pte);
}
if (unistimdebug)
ast_verb(0, "Sending Stream Based Tone On\n");
memcpy(buffsend + SIZE_HEADER, packet_send_stream_based_tone_on,
sizeof(packet_send_stream_based_tone_on));
send_client(SIZE_HEADER + sizeof(packet_send_stream_based_tone_on), buffsend, pte);
}
/* Positions for favorites
|--------------------|
| 5 2 |
| 4 1 |
| 3 0 |
*/
/* status (icons) : 00 = nothing, 2x/3x = see parser.h, 4x/5x = blink fast, 6x/7x = blink slow */
static void
send_favorite(unsigned char pos, unsigned char status, struct unistimsession *pte,
const char *text)
{
BUFFSEND;
int i;
if (unistimdebug)
ast_verb(0, "Sending favorite pos %d with status 0x%.2x\n", pos, status);
memcpy(buffsend + SIZE_HEADER, packet_send_favorite, sizeof(packet_send_favorite));
buffsend[10] = pos;
buffsend[24] = pos;
buffsend[25] = status;
i = strlen(text);
if (i > FAV_MAX_LENGTH)
i = FAV_MAX_LENGTH;
memcpy(buffsend + FAV_MAX_LENGTH + 1, text, i);
send_client(SIZE_HEADER + sizeof(packet_send_favorite), buffsend, pte);
}
static void refresh_all_favorite(struct unistimsession *pte)
{
int i = 0;
if (unistimdebug)
ast_verb(0, "Refreshing all favorite\n");
for (i = 0; i < 6; i++) {
if ((pte->device->softkeyicon[i] <= FAV_ICON_HEADPHONES_ONHOLD) &&
(pte->device->softkeylinepos != i))
send_favorite((unsigned char) i, pte->device->softkeyicon[i] + 1, pte,
pte->device->softkeylabel[i]);
else
send_favorite((unsigned char) i, pte->device->softkeyicon[i], pte,
pte->device->softkeylabel[i]);
}
}
/* Change the status for this phone (pte) and update for each phones where pte is bookmarked
* use FAV_ICON_*_BLACK constant in status parameters */
static void change_favorite_icon(struct unistimsession *pte, unsigned char status)
{
struct unistim_device *d = devices;
int i;
/* Update the current phone */
if (pte->state != STATE_CLEANING)
send_favorite(pte->device->softkeylinepos, status, pte,
pte->device->softkeylabel[pte->device->softkeylinepos]);
/* Notify other phones if we're in their bookmark */
while (d) {
for (i = 0; i < 6; i++) {
if (d->sp[i] == pte->device) { /* It's us ? */
if (d->softkeyicon[i] != status) { /* Avoid resending the same icon */
d->softkeyicon[i] = status;
if (d->session)
send_favorite(i, status + 1, d->session, d->softkeylabel[i]);
}
}
}
d = d->next;
}
}
static int RegisterExtension(const struct unistimsession *pte)
{
if (unistimdebug)
ast_verb(0, "Trying to register extension '%s' into context '%s' to %s\n",
pte->device->extension_number, pte->device->lines->context,
pte->device->lines->fullname);
return ast_add_extension(pte->device->lines->context, 0,
pte->device->extension_number, 1, NULL, NULL, "Dial",
pte->device->lines->fullname, 0, "Unistim");
}
static int UnregisterExtension(const struct unistimsession *pte)
{
if (unistimdebug)
ast_verb(0, "Trying to unregister extension '%s' context '%s'\n",
pte->device->extension_number, pte->device->lines->context);
return ast_context_remove_extension(pte->device->lines->context,
pte->device->extension_number, 1, "Unistim");
}
/* Free memory allocated for a phone */
static void close_client(struct unistimsession *s)
{
struct unistim_subchannel *sub;
struct unistimsession *cur, *prev = NULL;
ast_mutex_lock(&sessionlock);
cur = sessions;
/* Looking for the session in the linked chain */
while (cur) {
if (cur == s)
break;
prev = cur;
cur = cur->next;
}
if (cur) { /* Session found ? */
if (cur->device) { /* This session was registered ? */
s->state = STATE_CLEANING;
if (unistimdebug)
ast_verb(0, "close_client session %p device %p lines %p sub %p\n",
s, s->device, s->device->lines,
s->device->lines->subs[SUB_REAL]);
change_favorite_icon(s, FAV_ICON_NONE);
sub = s->device->lines->subs[SUB_REAL];
if (sub) {
if (sub->owner) { /* Call in progress ? */
if (unistimdebug)
ast_verb(0, "Aborting call\n");
ast_queue_hangup(sub->owner);
}
} else
ast_log(LOG_WARNING, "Freeing a client with no subchannel !\n");
if (!ast_strlen_zero(s->device->extension_number))
UnregisterExtension(s);
cur->device->session = NULL;
} else {
if (unistimdebug)
ast_verb(0, "Freeing an unregistered client\n");
}
if (prev)
prev->next = cur->next;
else
sessions = cur->next;
ast_mutex_destroy(&s->lock);
ast_free(s);
} else
ast_log(LOG_WARNING, "Trying to delete non-existent session %p?\n", s);
ast_mutex_unlock(&sessionlock);
return;
}
/* Return 1 if the session chained link was modified */
static int send_retransmit(struct unistimsession *pte)
{
int i;
ast_mutex_lock(&pte->lock);
if (++pte->nb_retransmit >= NB_MAX_RETRANSMIT) {
if (unistimdebug)
ast_verb(0, "Too many retransmit - freeing client\n");
ast_mutex_unlock(&pte->lock);
close_client(pte);
return 1;
}
pte->timeout = get_tick_count() + RETRANSMIT_TIMER;
for (i = pte->last_buf_available - (pte->seq_server - pte->last_seq_ack);
i < pte->last_buf_available; i++) {
if (i < 0) {
ast_log(LOG_WARNING,
"Asked to retransmit an ACKed slot ! last_buf_available=%d, seq_server = #0x%.4x last_seq_ack = #0x%.4x\n",
pte->last_buf_available, pte->seq_server, pte->last_seq_ack);
continue;
}
if (unistimdebug) {
unsigned short *sbuf = (unsigned short *) pte->wsabufsend[i].buf;
unsigned short seq;
seq = ntohs(sbuf[1]);
ast_verb(0, "Retransmit slot #%d (seq=#0x%.4x), last ack was #0x%.4x\n", i,
seq, pte->last_seq_ack);
}
send_raw_client(pte->wsabufsend[i].len, pte->wsabufsend[i].buf, &pte->sin,
&pte->sout);
}
ast_mutex_unlock(&pte->lock);
return 0;
}
/* inverse : TEXT_INVERSE : yes, TEXT_NORMAL : no */
static void
send_text(unsigned char pos, unsigned char inverse, struct unistimsession *pte,
const char *text)
{
int i;
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending text at pos %d, inverse flag %d\n", pos, inverse);
memcpy(buffsend + SIZE_HEADER, packet_send_text, sizeof(packet_send_text));
buffsend[10] = pos;
buffsend[11] = inverse;
i = strlen(text);
if (i > TEXT_LENGTH_MAX)
i = TEXT_LENGTH_MAX;
memcpy(buffsend + 12, text, i);
send_client(SIZE_HEADER + sizeof(packet_send_text), buffsend, pte);
}
static void send_text_status(struct unistimsession *pte, const char *text)
{
BUFFSEND;
int i;
if (unistimdebug)
ast_verb(0, "Sending status text\n");
if (pte->device) {
if (pte->device->status_method == 1) { /* For new firmware and i2050 soft phone */
int n = strlen(text);
/* Must send individual button separately */
int j;
for (i = 0, j = 0; i < 4; i++, j += 7) {
int pos = 0x08 + (i * 0x20);
memcpy(buffsend + SIZE_HEADER, packet_send_status2,
sizeof(packet_send_status2));
buffsend[9] = pos;
memcpy(buffsend + 10, (j < n) ? (text + j) : " ", 7);
send_client(SIZE_HEADER + sizeof(packet_send_status2), buffsend, pte);
}
return;
}
}
memcpy(buffsend + SIZE_HEADER, packet_send_status, sizeof(packet_send_status));
i = strlen(text);
if (i > STATUS_LENGTH_MAX)
i = STATUS_LENGTH_MAX;
memcpy(buffsend + 10, text, i);
send_client(SIZE_HEADER + sizeof(packet_send_status), buffsend, pte);
}
/* led values in hexa : 0 = bar off, 1 = bar on, 2 = bar 1s on/1s off, 3 = bar 2.5s on/0.5s off
* 4 = bar 0.6s on/0.3s off, 5 = bar 0.5s on/0.5s off, 6 = bar 2s on/0.5s off
* 7 = bar off, 8 = speaker off, 9 = speaker on, 10 = headphone off, 11 = headphone on
* 18 = mute off, 19 mute on */
static void send_led_update(struct unistimsession *pte, unsigned char led)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending led_update (%x)\n", led);
memcpy(buffsend + SIZE_HEADER, packet_send_led_update, sizeof(packet_send_led_update));
buffsend[9] = led;
send_client(SIZE_HEADER + sizeof(packet_send_led_update), buffsend, pte);
}
/* output = OUTPUT_HANDSET, OUTPUT_HEADPHONE or OUTPUT_SPEAKER
* volume = VOLUME_LOW, VOLUME_NORMAL, VOLUME_INSANELY_LOUD
* mute = MUTE_OFF, MUTE_ON */
static void
send_select_output(struct unistimsession *pte, unsigned char output, unsigned char volume,
unsigned char mute)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending select output packet output=%x volume=%x mute=%x\n", output,
volume, mute);
memcpy(buffsend + SIZE_HEADER, packet_send_select_output,
sizeof(packet_send_select_output));
buffsend[9] = output;
if (output == OUTPUT_SPEAKER)
volume = VOLUME_LOW_SPEAKER;
else
volume = VOLUME_LOW;
buffsend[10] = volume;
if (mute == MUTE_ON_DISCRET)
buffsend[11] = MUTE_ON;
else
buffsend[11] = mute;
send_client(SIZE_HEADER + sizeof(packet_send_select_output), buffsend, pte);
if (mute == MUTE_OFF)
send_led_update(pte, 0x18);
else if (mute == MUTE_ON)
send_led_update(pte, 0x19);
pte->device->mute = mute;
if (output == OUTPUT_HANDSET) {
if (mute == MUTE_ON)
change_favorite_icon(pte, FAV_ICON_ONHOLD_BLACK);
else
change_favorite_icon(pte, FAV_ICON_OFFHOOK_BLACK);
send_led_update(pte, 0x08);
send_led_update(pte, 0x10);
} else if (output == OUTPUT_HEADPHONE) {
if (mute == MUTE_ON)
change_favorite_icon(pte, FAV_ICON_HEADPHONES_ONHOLD);
else
change_favorite_icon(pte, FAV_ICON_HEADPHONES);
send_led_update(pte, 0x08);
send_led_update(pte, 0x11);
} else if (output == OUTPUT_SPEAKER) {
send_led_update(pte, 0x10);
send_led_update(pte, 0x09);
if (pte->device->receiver_state == STATE_OFFHOOK) {
if (mute == MUTE_ON)
change_favorite_icon(pte, FAV_ICON_SPEAKER_ONHOLD_BLACK);
else
change_favorite_icon(pte, FAV_ICON_SPEAKER_ONHOOK_BLACK);
} else {
if (mute == MUTE_ON)
change_favorite_icon(pte, FAV_ICON_SPEAKER_ONHOLD_BLACK);
else
change_favorite_icon(pte, FAV_ICON_SPEAKER_OFFHOOK_BLACK);
}
} else
ast_log(LOG_WARNING, "Invalid ouput (%d)\n", output);
if (output != pte->device->output)
pte->device->previous_output = pte->device->output;
pte->device->output = output;
}
static void send_ring(struct unistimsession *pte, char volume, char style)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending ring packet\n");
memcpy(buffsend + SIZE_HEADER, packet_send_ring, sizeof(packet_send_ring));
buffsend[24] = style + 0x10;
buffsend[29] = volume * 0x10;
send_client(SIZE_HEADER + sizeof(packet_send_ring), buffsend, pte);
}
static void send_no_ring(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending no ring packet\n");
memcpy(buffsend + SIZE_HEADER, packet_send_no_ring, sizeof(packet_send_no_ring));
send_client(SIZE_HEADER + sizeof(packet_send_no_ring), buffsend, pte);
}
static void send_texttitle(struct unistimsession *pte, const char *text)
{
BUFFSEND;
int i;
if (unistimdebug)
ast_verb(0, "Sending title text\n");
memcpy(buffsend + SIZE_HEADER, packet_send_title, sizeof(packet_send_title));
i = strlen(text);
if (i > 12)
i = 12;
memcpy(buffsend + 10, text, i);
send_client(SIZE_HEADER + sizeof(packet_send_title), buffsend, pte);
}
static void send_date_time(struct unistimsession *pte)
{
BUFFSEND;
struct timeval tv = ast_tvnow();
struct ast_tm atm = { 0, };
if (unistimdebug)
ast_verb(0, "Sending Time & Date\n");
memcpy(buffsend + SIZE_HEADER, packet_send_date_time, sizeof(packet_send_date_time));
ast_localtime(&tv, &atm, NULL);
buffsend[10] = (unsigned char) atm.tm_mon + 1;
buffsend[11] = (unsigned char) atm.tm_mday;
buffsend[12] = (unsigned char) atm.tm_hour;
buffsend[13] = (unsigned char) atm.tm_min;
send_client(SIZE_HEADER + sizeof(packet_send_date_time), buffsend, pte);
}
static void send_date_time2(struct unistimsession *pte)
{
BUFFSEND;
struct timeval tv = ast_tvnow();
struct ast_tm atm = { 0, };
if (unistimdebug)
ast_verb(0, "Sending Time & Date #2\n");
memcpy(buffsend + SIZE_HEADER, packet_send_date_time2, sizeof(packet_send_date_time2));
ast_localtime(&tv, &atm, NULL);
if (pte->device)
buffsend[9] = pte->device->datetimeformat;
else
buffsend[9] = 61;
buffsend[14] = (unsigned char) atm.tm_mon + 1;
buffsend[15] = (unsigned char) atm.tm_mday;
buffsend[16] = (unsigned char) atm.tm_hour;
buffsend[17] = (unsigned char) atm.tm_min;
send_client(SIZE_HEADER + sizeof(packet_send_date_time2), buffsend, pte);
}
static void send_date_time3(struct unistimsession *pte)
{
BUFFSEND;
struct timeval tv = ast_tvnow();
struct ast_tm atm = { 0, };
if (unistimdebug)
ast_verb(0, "Sending Time & Date #3\n");
memcpy(buffsend + SIZE_HEADER, packet_send_date_time3, sizeof(packet_send_date_time3));
ast_localtime(&tv, &atm, NULL);
buffsend[10] = (unsigned char) atm.tm_mon + 1;
buffsend[11] = (unsigned char) atm.tm_mday;
buffsend[12] = (unsigned char) atm.tm_hour;
buffsend[13] = (unsigned char) atm.tm_min;
send_client(SIZE_HEADER + sizeof(packet_send_date_time3), buffsend, pte);
}
static void send_blink_cursor(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending set blink\n");
memcpy(buffsend + SIZE_HEADER, packet_send_blink_cursor, sizeof(packet_send_blink_cursor));
send_client(SIZE_HEADER + sizeof(packet_send_blink_cursor), buffsend, pte);
return;
}
/* pos : 0xab (a=0/2/4 = line ; b = row) */
static void send_cursor_pos(struct unistimsession *pte, unsigned char pos)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending set cursor position\n");
memcpy(buffsend + SIZE_HEADER, packet_send_set_pos_cursor,
sizeof(packet_send_set_pos_cursor));
buffsend[11] = pos;
send_client(SIZE_HEADER + sizeof(packet_send_set_pos_cursor), buffsend, pte);
return;
}
static void rcv_resume_connection_with_server(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug) {
ast_verb(0, "ResumeConnectionWithServer received\n");
ast_verb(0, "Sending packet_send_query_mac_address\n");
}
memcpy(buffsend + SIZE_HEADER, packet_send_query_mac_address,
sizeof(packet_send_query_mac_address));
send_client(SIZE_HEADER + sizeof(packet_send_query_mac_address), buffsend, pte);
return;
}
static int unistim_register(struct unistimsession *s)
{
struct unistim_device *d;
ast_mutex_lock(&devicelock);
d = devices;
while (d) {
if (!strcasecmp(s->macaddr, d->id)) {
/* XXX Deal with IP authentication */
s->device = d;
d->session = s;
d->codec_number = DEFAULT_CODEC;
d->pos_fav = 0;
d->missed_call = 0;
d->receiver_state = STATE_ONHOOK;
break;
}
d = d->next;
}
ast_mutex_unlock(&devicelock);
if (!d)
return 0;
return 1;
}
static int alloc_sub(struct unistim_line *l, int x)
{
struct unistim_subchannel *sub;
if (!(sub = ast_calloc(1, sizeof(*sub))))
return 0;
if (unistimdebug)
ast_verb(3, "Allocating UNISTIM subchannel #%d on %s@%s ptr=%p\n", x, l->name, l->parent->name, sub);
sub->parent = l;
sub->subtype = x;
l->subs[x] = sub;
ast_mutex_init(&sub->lock);
return 1;
}
static int unalloc_sub(struct unistim_line *p, int x)
{
if (!x) {
ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name,
p->parent->name);
return -1;
}
if (unistimdebug)
ast_debug(1, "Released sub %d of channel %s@%s\n", x, p->name,
p->parent->name);
ast_mutex_destroy(&p->lock);
ast_free(p->subs[x]);
p->subs[x] = 0;
return 0;
}
static void rcv_mac_addr(struct unistimsession *pte, const unsigned char *buf)
{
BUFFSEND;
int tmp, i = 0;
char addrmac[19];
int res = 0;
if (unistimdebug)
ast_verb(0, "Mac Address received : ");
for (tmp = 15; tmp < 15 + SIZE_HEADER; tmp++) {
sprintf(&addrmac[i], "%.2x", (unsigned char) buf[tmp]);
i += 2;
}
if (unistimdebug)
ast_verb(0, "%s\n", addrmac);
strcpy(pte->macaddr, addrmac);
res = unistim_register(pte);
if (!res) {
switch (autoprovisioning) {
case AUTOPROVISIONING_NO:
ast_log(LOG_WARNING, "No entry found for this phone : %s\n", addrmac);
pte->state = STATE_AUTHDENY;
break;
case AUTOPROVISIONING_YES:
{
struct unistim_device *d, *newd;
struct unistim_line *newl;
if (unistimdebug)
ast_verb(0, "New phone, autoprovisioning on\n");
/* First : locate the [template] section */
ast_mutex_lock(&devicelock);
d = devices;
while (d) {
if (!strcasecmp(d->name, "template")) {
/* Found, cloning this entry */
if (!(newd = ast_malloc(sizeof(*newd)))) {
ast_mutex_unlock(&devicelock);
return;
}
memcpy(newd, d, sizeof(*newd));
if (!(newl = ast_malloc(sizeof(*newl)))) {
ast_free(newd);
ast_mutex_unlock(&devicelock);
return;
}
memcpy(newl, d->lines, sizeof(*newl));
if (!alloc_sub(newl, SUB_REAL)) {
ast_free(newd);
ast_free(newl);
ast_mutex_unlock(&devicelock);
return;
}
/* Ok, now updating some fields */
ast_copy_string(newd->id, addrmac, sizeof(newd->id));
ast_copy_string(newd->name, addrmac, sizeof(newd->name));
if (newd->extension == EXTENSION_NONE)
newd->extension = EXTENSION_ASK;
newd->lines = newl;
newd->receiver_state = STATE_ONHOOK;
newd->session = pte;
newd->to_delete = -1;
pte->device = newd;
newd->next = NULL;
newl->parent = newd;
strcpy(newl->name, d->lines->name);
snprintf(d->lines->name, sizeof(d->lines->name), "%d",
atoi(d->lines->name) + 1);
snprintf(newl->fullname, sizeof(newl->fullname), "USTM/%s@%s",
newl->name, newd->name);
/* Go to the end of the linked chain */
while (d->next) {
d = d->next;
}
d->next = newd;
d = newd;
break;
}
d = d->next;
}
ast_mutex_unlock(&devicelock);
if (!d) {
ast_log(LOG_WARNING, "No entry [template] found in unistim.conf\n");
pte->state = STATE_AUTHDENY;
}
}
break;
case AUTOPROVISIONING_TN:
pte->state = STATE_AUTHDENY;
break;
case AUTOPROVISIONING_DB:
ast_log(LOG_WARNING,
"Autoprovisioning with database is not yet functional\n");
break;
default:
ast_log(LOG_WARNING, "Internal error : unknown autoprovisioning value = %d\n",
autoprovisioning);
}
}
if (pte->state != STATE_AUTHDENY) {
ast_verb(3, "Device '%s' successfuly registered\n", pte->device->name);
switch (pte->device->extension) {
case EXTENSION_NONE:
pte->state = STATE_MAINPAGE;
break;
case EXTENSION_ASK:
/* Checking if we already have an extension number */
if (ast_strlen_zero(pte->device->extension_number))
pte->state = STATE_EXTENSION;
else {
/* Yes, because of a phone reboot. We don't ask again for the TN */
if (RegisterExtension(pte))
pte->state = STATE_EXTENSION;
else
pte->state = STATE_MAINPAGE;
}
break;
case EXTENSION_LINE:
ast_copy_string(pte->device->extension_number, pte->device->lines->name,
sizeof(pte->device->extension_number));
if (RegisterExtension(pte))
pte->state = STATE_EXTENSION;
else
pte->state = STATE_MAINPAGE;
break;
case EXTENSION_TN:
/* If we are here, it's because of a phone reboot */
pte->state = STATE_MAINPAGE;
break;
default:
ast_log(LOG_WARNING, "Internal error, extension value unknown : %d\n",
pte->device->extension);
pte->state = STATE_AUTHDENY;
break;
}
}
if (pte->state == STATE_EXTENSION) {
if (pte->device->extension != EXTENSION_TN)
pte->device->extension = EXTENSION_ASK;
pte->device->extension_number[0] = '\0';
}
if (unistimdebug)
ast_verb(0, "\nSending S1\n");
memcpy(buffsend + SIZE_HEADER, packet_send_S1, sizeof(packet_send_S1));
send_client(SIZE_HEADER + sizeof(packet_send_S1), buffsend, pte);
if (unistimdebug)
ast_verb(0, "Sending query_basic_manager_04\n");
memcpy(buffsend + SIZE_HEADER, packet_send_query_basic_manager_04,
sizeof(packet_send_query_basic_manager_04));
send_client(SIZE_HEADER + sizeof(packet_send_query_basic_manager_04), buffsend, pte);
if (unistimdebug)
ast_verb(0, "Sending query_basic_manager_10\n");
memcpy(buffsend + SIZE_HEADER, packet_send_query_basic_manager_10,
sizeof(packet_send_query_basic_manager_10));
send_client(SIZE_HEADER + sizeof(packet_send_query_basic_manager_10), buffsend, pte);
send_date_time(pte);
return;
}
static int write_entry_history(struct unistimsession *pte, FILE * f, char c, char *line1)
{
if (fwrite(&c, 1, 1, f) != 1) {
display_last_error("Unable to write history log header.");
return -1;
}
if (fwrite(line1, TEXT_LENGTH_MAX, 1, f) != 1) {
display_last_error("Unable to write history entry - date.");
return -1;
}
if (fwrite(pte->device->lst_cid, TEXT_LENGTH_MAX, 1, f) != 1) {
display_last_error("Unable to write history entry - callerid.");
return -1;
}
if (fwrite(pte->device->lst_cnm, TEXT_LENGTH_MAX, 1, f) != 1) {
display_last_error("Unable to write history entry - callername.");
return -1;
}
return 0;
}
static int write_history(struct unistimsession *pte, char way, char ismissed)
{
char tmp[AST_CONFIG_MAX_PATH], tmp2[AST_CONFIG_MAX_PATH];
char line1[TEXT_LENGTH_MAX + 1];
char count = 0, *histbuf;
int size;
FILE *f, *f2;
struct timeval tv = ast_tvnow();
struct ast_tm atm = { 0, };
if (!pte->device)
return -1;
if (!pte->device->callhistory)
return 0;
if (strchr(pte->device->name, '/') || (pte->device->name[0] == '.')) {
ast_log(LOG_WARNING, "Account code '%s' insecure for writing file\n",
pte->device->name);
return -1;
}
snprintf(tmp, sizeof(tmp), "%s/%s", ast_config_AST_LOG_DIR, USTM_LOG_DIR);
if (ast_mkdir(tmp, 0770)) {
if (errno != EEXIST) {
display_last_error("Unable to create directory for history");
return -1;
}
}
ast_localtime(&tv, &atm, NULL);
if (ismissed) {
if (way == 'i')
strcpy(tmp2, "Miss");
else
strcpy(tmp2, "Fail");
} else
strcpy(tmp2, "Answ");
snprintf(line1, sizeof(line1), "%04d/%02d/%02d %02d:%02d:%02d %s",
atm.tm_year + 1900, atm.tm_mon + 1, atm.tm_mday, atm.tm_hour,
atm.tm_min, atm.tm_sec, tmp2);
snprintf(tmp, sizeof(tmp), "%s/%s/%s-%c.csv", ast_config_AST_LOG_DIR,
USTM_LOG_DIR, pte->device->name, way);
if ((f = fopen(tmp, "r"))) {
struct stat bufstat;
if (stat(tmp, &bufstat)) {
display_last_error("Unable to stat history log.");
fclose(f);
return -1;
}
size = 1 + (MAX_ENTRY_LOG * TEXT_LENGTH_MAX * 3);
if (bufstat.st_size != size) {
ast_log(LOG_WARNING,
"History file %s has an incorrect size (%d instead of %d). It will be replaced by a new one.",
tmp, (int) bufstat.st_size, size);
fclose(f);
f = NULL;
count = 1;
}
}
/* If we can't open the log file, we create a brand new one */
if (!f) {
char c = 1;
int i;
if ((errno != ENOENT) && (count == 0)) {
display_last_error("Unable to open history log.");
return -1;
}
f = fopen(tmp, "w");
if (!f) {
display_last_error("Unable to create history log.");
return -1;
}
if (write_entry_history(pte, f, c, line1)) {
fclose(f);
return -1;
}
memset(line1, ' ', TEXT_LENGTH_MAX);
for (i = 3; i < MAX_ENTRY_LOG * 3; i++) {
if (fwrite(line1, TEXT_LENGTH_MAX, 1, f) != 1) {
display_last_error("Unable to write history entry - stuffing.");
fclose(f);
return -1;
}
}
if (fclose(f))
display_last_error("Unable to close history - creation.");
return 0;
}
/* We can open the log file, we create a temporary one, we add our entry and copy the rest */
if (fread(&count, 1, 1, f) != 1) {
display_last_error("Unable to read history header.");
fclose(f);
return -1;
}
if (count > MAX_ENTRY_LOG) {
ast_log(LOG_WARNING, "Invalid count in history header of %s (%d max %d)\n", tmp,
count, MAX_ENTRY_LOG);
fclose(f);
return -1;
}
snprintf(tmp2, sizeof(tmp2), "%s/%s/%s-%c.csv.tmp", ast_config_AST_LOG_DIR,
USTM_LOG_DIR, pte->device->name, way);
if (!(f2 = fopen(tmp2, "w"))) {
display_last_error("Unable to create temporary history log.");
fclose(f);
return -1;
}
if (++count > MAX_ENTRY_LOG)
count = MAX_ENTRY_LOG;
if (write_entry_history(pte, f2, count, line1)) {
fclose(f);
fclose(f2);
return -1;
}
size = (MAX_ENTRY_LOG - 1) * TEXT_LENGTH_MAX * 3;
if (!(histbuf = ast_malloc(size))) {
fclose(f);
fclose(f2);
return -1;
}
if (fread(histbuf, size, 1, f) != 1) {
ast_free(histbuf);
fclose(f);
fclose(f2);
display_last_error("Unable to read previous history entries.");
return -1;
}
if (fwrite(histbuf, size, 1, f2) != 1) {
ast_free(histbuf);
fclose(f);
fclose(f2);
display_last_error("Unable to write previous history entries.");
return -1;
}
ast_free(histbuf);
if (fclose(f))
display_last_error("Unable to close history log.");
if (fclose(f2))
display_last_error("Unable to close temporary history log.");
if (unlink(tmp))
display_last_error("Unable to remove old history log.");
if (rename(tmp2, tmp))
display_last_error("Unable to rename new history log.");
return 0;
}
static void cancel_dial(struct unistimsession *pte)
{
send_no_ring(pte);
pte->device->missed_call++;
write_history(pte, 'i', 1);
show_main_page(pte);
return;
}
static void swap_subs(struct unistim_line *p, int a, int b)
{
/* struct ast_channel *towner; */
struct ast_rtp *rtp;
int fds;
if (unistimdebug)
ast_verb(0, "Swapping %d and %d\n", a, b);
if ((!p->subs[a]->owner) || (!p->subs[b]->owner)) {
ast_log(LOG_WARNING,
"Attempted to swap subchannels with a null owner : sub #%d=%p sub #%d=%p\n",
a, p->subs[a]->owner, b, p->subs[b]->owner);
return;
}
rtp = p->subs[a]->rtp;
p->subs[a]->rtp = p->subs[b]->rtp;
p->subs[b]->rtp = rtp;
fds = p->subs[a]->owner->fds[0];
p->subs[a]->owner->fds[0] = p->subs[b]->owner->fds[0];
p->subs[b]->owner->fds[0] = fds;
fds = p->subs[a]->owner->fds[1];
p->subs[a]->owner->fds[1] = p->subs[b]->owner->fds[1];
p->subs[b]->owner->fds[1] = fds;
}
static int attempt_transfer(struct unistim_subchannel *p1, struct unistim_subchannel *p2)
{
int res = 0;
struct ast_channel
*chana = NULL, *chanb = NULL, *bridgea = NULL, *bridgeb = NULL, *peera =
NULL, *peerb = NULL, *peerc = NULL, *peerd = NULL;
if (!p1->owner || !p2->owner) {
ast_log(LOG_WARNING, "Transfer attempted without dual ownership?\n");
return -1;
}
chana = p1->owner;
chanb = p2->owner;
bridgea = ast_bridged_channel(chana);
bridgeb = ast_bridged_channel(chanb);
if (bridgea) {
peera = chana;
peerb = chanb;
peerc = bridgea;
peerd = bridgeb;
} else if (bridgeb) {
peera = chanb;
peerb = chana;
peerc = bridgeb;
peerd = bridgea;
}
if (peera && peerb && peerc && (peerb != peerc)) {
/*ast_quiet_chan(peera);
ast_quiet_chan(peerb);
ast_quiet_chan(peerc);
ast_quiet_chan(peerd); */
if (peera->cdr && peerb->cdr) {
peerb->cdr = ast_cdr_append(peerb->cdr, peera->cdr);
} else if (peera->cdr) {
peerb->cdr = peera->cdr;
}
peera->cdr = NULL;
if (peerb->cdr && peerc->cdr) {
peerb->cdr = ast_cdr_append(peerb->cdr, peerc->cdr);
} else if (peerc->cdr) {
peerb->cdr = peerc->cdr;
}
peerc->cdr = NULL;
if (ast_channel_masquerade(peerb, peerc)) {
ast_log(LOG_WARNING, "Failed to masquerade %s into %s\n", peerb->name,
peerc->name);
res = -1;
}
return res;
} else {
ast_log(LOG_NOTICE,
"Transfer attempted with no appropriate bridged calls to transfer\n");
if (chana)
ast_softhangup_nolock(chana, AST_SOFTHANGUP_DEV);
if (chanb)
ast_softhangup_nolock(chanb, AST_SOFTHANGUP_DEV);
return -1;
}
return 0;
}
void change_callerid(struct unistimsession *pte, int type, char *callerid)
{
char *data;
int size;
if (type)
data = pte->device->lst_cnm;
else
data = pte->device->lst_cid;
/* This is very nearly strncpy(), except that the remaining buffer
* is padded with ' ', instead of '\0' */
memset(data, ' ', TEXT_LENGTH_MAX);
size = strlen(callerid);
if (size > TEXT_LENGTH_MAX)
size = TEXT_LENGTH_MAX;
memcpy(data, callerid, size);
}
static void close_call(struct unistimsession *pte)
{
struct unistim_subchannel *sub;
struct unistim_line *l = pte->device->lines;
sub = pte->device->lines->subs[SUB_REAL];
send_stop_timer(pte);
if (sub->owner) {
sub->alreadygone = 1;
if (l->subs[SUB_THREEWAY]) {
l->subs[SUB_THREEWAY]->alreadygone = 1;
if (attempt_transfer(sub, l->subs[SUB_THREEWAY]) < 0)
ast_verb(0, "attempt_transfer failed.\n");
} else
ast_queue_hangup(sub->owner);
} else {
if (l->subs[SUB_THREEWAY]) {
if (l->subs[SUB_THREEWAY]->owner)
ast_queue_hangup(l->subs[SUB_THREEWAY]->owner);
else
ast_log(LOG_WARNING, "threeway sub without owner\n");
} else
ast_verb(0, "USTM(%s@%s-%d) channel already destroyed\n", sub->parent->name,
sub->parent->parent->name, sub->subtype);
}
change_callerid(pte, 0, pte->device->redial_number);
change_callerid(pte, 1, "");
write_history(pte, 'o', pte->device->missed_call);
pte->device->missed_call = 0;
show_main_page(pte);
return;
}
static void IgnoreCall(struct unistimsession *pte)
{
send_no_ring(pte);
return;
}
static void *unistim_ss(void *data)
{
struct ast_channel *chan = data;
struct unistim_subchannel *sub = chan->tech_pvt;
struct unistim_line *l = sub->parent;
struct unistimsession *s = l->parent->session;
int res;
ast_verb(3, "Starting switch on '%s@%s-%d' to %s\n", l->name, l->parent->name, sub->subtype, s->device->phone_number);
ast_copy_string(chan->exten, s->device->phone_number, sizeof(chan->exten));
ast_copy_string(s->device->redial_number, s->device->phone_number,
sizeof(s->device->redial_number));
ast_setstate(chan, AST_STATE_RING);
res = ast_pbx_run(chan);
if (res) {
ast_log(LOG_WARNING, "PBX exited non-zero\n");
send_tone(s, 1000, 0);;
}
return NULL;
}
static void start_rtp(struct unistim_subchannel *sub)
{
BUFFSEND;
struct sockaddr_in us;
struct sockaddr_in public;
struct sockaddr_in sin;
int codec;
struct sockaddr_in sout;
/* Sanity checks */
if (!sub) {
ast_log(LOG_WARNING, "start_rtp with a null subchannel !\n");
return;
}
if (!sub->parent) {
ast_log(LOG_WARNING, "start_rtp with a null line !\n");
return;
}
if (!sub->parent->parent) {
ast_log(LOG_WARNING, "start_rtp with a null device !\n");
return;
}
if (!sub->parent->parent->session) {
ast_log(LOG_WARNING, "start_rtp with a null session !\n");
return;
}
sout = sub->parent->parent->session->sout;
ast_mutex_lock(&sub->lock);
/* Allocate the RTP */
if (unistimdebug)
ast_verb(0, "Starting RTP. Bind on %s\n", ast_inet_ntoa(sout.sin_addr));
sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, sout.sin_addr);
if (!sub->rtp) {
ast_log(LOG_WARNING, "Unable to create RTP session: %s binaddr=%s\n",
strerror(errno), ast_inet_ntoa(sout.sin_addr));
ast_mutex_unlock(&sub->lock);
return;
}
if (sub->rtp && sub->owner) {
sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
}
if (sub->rtp) {
ast_rtp_setqos(sub->rtp, tos_audio, cos_audio, "UNISTIM RTP");
ast_rtp_setnat(sub->rtp, sub->parent->parent->nat);
}
/* Create the RTP connection */
ast_rtp_get_us(sub->rtp, &us);
sin.sin_family = AF_INET;
/* Setting up RTP for our side */
memcpy(&sin.sin_addr, &sub->parent->parent->session->sin.sin_addr,
sizeof(sin.sin_addr));
sin.sin_port = htons(sub->parent->parent->rtp_port);
ast_rtp_set_peer(sub->rtp, &sin);
if (!(sub->owner->nativeformats & sub->owner->readformat)) {
int fmt;
fmt = ast_best_codec(sub->owner->nativeformats);
ast_log(LOG_WARNING,
"Our read/writeformat has been changed to something incompatible : %s (%d), using %s (%d) best codec from %d\n",
ast_getformatname(sub->owner->readformat),
sub->owner->readformat, ast_getformatname(fmt), fmt,
sub->owner->nativeformats);
sub->owner->readformat = fmt;
sub->owner->writeformat = fmt;
}
codec = ast_rtp_lookup_code(sub->rtp, 1, sub->owner->readformat);
/* Setting up RTP of the phone */
if (public_ip.sin_family == 0) /* NAT IP override ? */
memcpy(&public, &us, sizeof(public)); /* No defined, using IP from recvmsg */
else
memcpy(&public, &public_ip, sizeof(public)); /* override */
if (unistimdebug) {
ast_verb(0, "RTP started : Our IP/port is : %s:%hd with codec %s (%d)\n",
ast_inet_ntoa(us.sin_addr),
htons(us.sin_port), ast_getformatname(sub->owner->readformat),
sub->owner->readformat);
ast_verb(0, "Starting phone RTP stack. Our public IP is %s\n",
ast_inet_ntoa(public.sin_addr));
}
if ((sub->owner->readformat == AST_FORMAT_ULAW) ||
(sub->owner->readformat == AST_FORMAT_ALAW)) {
if (unistimdebug)
ast_verb(0, "Sending packet_send_rtp_packet_size for codec %d\n", codec);
memcpy(buffsend + SIZE_HEADER, packet_send_rtp_packet_size,
sizeof(packet_send_rtp_packet_size));
buffsend[10] = codec;
send_client(SIZE_HEADER + sizeof(packet_send_rtp_packet_size), buffsend,
sub->parent->parent->session);
}
if (unistimdebug)
ast_verb(0, "Sending Jitter Buffer Parameters Configuration\n");
memcpy(buffsend + SIZE_HEADER, packet_send_jitter_buffer_conf,
sizeof(packet_send_jitter_buffer_conf));
send_client(SIZE_HEADER + sizeof(packet_send_jitter_buffer_conf), buffsend,
sub->parent->parent->session);
if (sub->parent->parent->rtp_method != 0) {
uint16_t rtcpsin_port = htons(us.sin_port) + 1; /* RTCP port is RTP + 1 */
if (unistimdebug)
ast_verb(0, "Sending OpenAudioStreamTX using method #%d\n",
sub->parent->parent->rtp_method);
if (sub->parent->parent->rtp_method == 3)
memcpy(buffsend + SIZE_HEADER, packet_send_open_audio_stream_tx3,
sizeof(packet_send_open_audio_stream_tx3));
else
memcpy(buffsend + SIZE_HEADER, packet_send_open_audio_stream_tx,
sizeof(packet_send_open_audio_stream_tx));
if (sub->parent->parent->rtp_method != 2) {
memcpy(buffsend + 28, &public.sin_addr, sizeof(public.sin_addr));
buffsend[20] = (htons(sin.sin_port) & 0xff00) >> 8;
buffsend[21] = (htons(sin.sin_port) & 0x00ff);
buffsend[23] = (rtcpsin_port & 0x00ff);
buffsend[22] = (rtcpsin_port & 0xff00) >> 8;
buffsend[25] = (us.sin_port & 0xff00) >> 8;
buffsend[24] = (us.sin_port & 0x00ff);
buffsend[27] = (rtcpsin_port & 0x00ff);
buffsend[26] = (rtcpsin_port & 0xff00) >> 8;
} else {
memcpy(buffsend + 23, &public.sin_addr, sizeof(public.sin_addr));
buffsend[15] = (htons(sin.sin_port) & 0xff00) >> 8;
buffsend[16] = (htons(sin.sin_port) & 0x00ff);
buffsend[20] = (us.sin_port & 0xff00) >> 8;
buffsend[19] = (us.sin_port & 0x00ff);
buffsend[11] = codec;
}
buffsend[12] = codec;
send_client(SIZE_HEADER + sizeof(packet_send_open_audio_stream_tx), buffsend,
sub->parent->parent->session);
if (unistimdebug)
ast_verb(0, "Sending OpenAudioStreamRX\n");
if (sub->parent->parent->rtp_method == 3)
memcpy(buffsend + SIZE_HEADER, packet_send_open_audio_stream_rx3,
sizeof(packet_send_open_audio_stream_rx3));
else
memcpy(buffsend + SIZE_HEADER, packet_send_open_audio_stream_rx,
sizeof(packet_send_open_audio_stream_rx));
if (sub->parent->parent->rtp_method != 2) {
memcpy(buffsend + 28, &public.sin_addr, sizeof(public.sin_addr));
buffsend[20] = (htons(sin.sin_port) & 0xff00) >> 8;
buffsend[21] = (htons(sin.sin_port) & 0x00ff);
buffsend[23] = (rtcpsin_port & 0x00ff);
buffsend[22] = (rtcpsin_port & 0xff00) >> 8;
buffsend[25] = (us.sin_port & 0xff00) >> 8;
buffsend[24] = (us.sin_port & 0x00ff);
buffsend[27] = (rtcpsin_port & 0x00ff);
buffsend[26] = (rtcpsin_port & 0xff00) >> 8;
} else {
memcpy(buffsend + 23, &public.sin_addr, sizeof(public.sin_addr));
buffsend[15] = (htons(sin.sin_port) & 0xff00) >> 8;
buffsend[16] = (htons(sin.sin_port) & 0x00ff);
buffsend[20] = (us.sin_port & 0xff00) >> 8;
buffsend[19] = (us.sin_port & 0x00ff);
buffsend[12] = codec;
}
buffsend[11] = codec;
send_client(SIZE_HEADER + sizeof(packet_send_open_audio_stream_rx), buffsend,
sub->parent->parent->session);
} else {
uint16_t rtcpsin_port = htons(us.sin_port) + 1; /* RTCP port is RTP + 1 */
if (unistimdebug)
ast_verb(0, "Sending packet_send_call default method\n");
memcpy(buffsend + SIZE_HEADER, packet_send_call, sizeof(packet_send_call));
memcpy(buffsend + 53, &public.sin_addr, sizeof(public.sin_addr));
/* Destination port when sending RTP */
buffsend[49] = (us.sin_port & 0x00ff);
buffsend[50] = (us.sin_port & 0xff00) >> 8;
/* Destination port when sending RTCP */
buffsend[52] = (rtcpsin_port & 0x00ff);
buffsend[51] = (rtcpsin_port & 0xff00) >> 8;
/* Codec */
buffsend[40] = codec;
buffsend[41] = codec;
if (sub->owner->readformat == AST_FORMAT_ULAW)
buffsend[42] = 1; /* 1 = 20ms (160 bytes), 2 = 40ms (320 bytes) */
else if (sub->owner->readformat == AST_FORMAT_ALAW)
buffsend[42] = 1; /* 1 = 20ms (160 bytes), 2 = 40ms (320 bytes) */
else if (sub->owner->readformat == AST_FORMAT_G723_1)
buffsend[42] = 2; /* 1 = 30ms (24 bytes), 2 = 60 ms (48 bytes) */
else if (sub->owner->readformat == AST_FORMAT_G729A)
buffsend[42] = 2; /* 1 = 10ms (10 bytes), 2 = 20ms (20 bytes) */
else
ast_log(LOG_WARNING, "Unsupported codec %s (%d) !\n",
ast_getformatname(sub->owner->readformat), sub->owner->readformat);
/* Source port for transmit RTP and Destination port for receiving RTP */
buffsend[45] = (htons(sin.sin_port) & 0xff00) >> 8;
buffsend[46] = (htons(sin.sin_port) & 0x00ff);
buffsend[47] = (rtcpsin_port & 0xff00) >> 8;
buffsend[48] = (rtcpsin_port & 0x00ff);
send_client(SIZE_HEADER + sizeof(packet_send_call), buffsend,
sub->parent->parent->session);
}
ast_mutex_unlock(&sub->lock);
}
static void SendDialTone(struct unistimsession *pte)
{
int i;
/* No country defined ? Using US tone */
if (ast_strlen_zero(pte->device->country)) {
if (unistimdebug)
ast_verb(0, "No country defined, using US tone\n");
send_tone(pte, 350, 440);
return;
}
if (strlen(pte->device->country) != 2) {
if (unistimdebug)
ast_verb(0, "Country code != 2 char, using US tone\n");
send_tone(pte, 350, 440);
return;
}
i = 0;
while (frequency[i].freq1) {
if ((frequency[i].country[0] == pte->device->country[0]) &&
(frequency[i].country[1] == pte->device->country[1])) {
if (unistimdebug)
ast_verb(0, "Country code found (%s), freq1=%d freq2=%d\n",
frequency[i].country, frequency[i].freq1, frequency[i].freq2);
send_tone(pte, frequency[i].freq1, frequency[i].freq2);
}
i++;
}
}
static void handle_dial_page(struct unistimsession *pte)
{
pte->state = STATE_DIALPAGE;
if (pte->device->call_forward[0] == -1) {
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "Enter forward");
send_text_status(pte, "ForwardCancel BackSpcErase");
if (pte->device->call_forward[1] != 0) {
char tmp[TEXT_LENGTH_MAX + 1];
ast_copy_string(pte->device->phone_number, pte->device->call_forward + 1,
sizeof(pte->device->phone_number));
pte->device->size_phone_number = strlen(pte->device->phone_number);
if (pte->device->size_phone_number > 15)
pte->device->size_phone_number = 15;
strcpy(tmp, "Number : ...............");
memcpy(tmp + 9, pte->device->phone_number, pte->device->size_phone_number);
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmp);
send_blink_cursor(pte);
send_cursor_pos(pte,
(unsigned char) (TEXT_LINE2 + 0x09 +
pte->device->size_phone_number));
send_led_update(pte, 0);
return;
}
} else {
if ((pte->device->output == OUTPUT_HANDSET) &&
(pte->device->receiver_state == STATE_ONHOOK))
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_OFF);
SendDialTone(pte);
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Enter the number to dial");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "and press Call");
send_text_status(pte, "Call Redial BackSpcErase");
}
send_text(TEXT_LINE2, TEXT_NORMAL, pte, "Number : ...............");
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + 0x09);
pte->device->size_phone_number = 0;
pte->device->phone_number[0] = 0;
change_favorite_icon(pte, FAV_ICON_PHONE_BLACK);
Sendicon(TEXT_LINE0, FAV_ICON_NONE, pte);
pte->device->missed_call = 0;
send_led_update(pte, 0);
return;
}
/* Step 1 : Music On Hold for peer, Dialing screen for us */
static void TransferCallStep1(struct unistimsession *pte)
{
struct unistim_subchannel *sub;
struct unistim_line *p = pte->device->lines;
sub = p->subs[SUB_REAL];
if (!sub->owner) {
ast_log(LOG_WARNING, "Unable to find subchannel for music on hold\n");
return;
}
if (p->subs[SUB_THREEWAY]) {
if (unistimdebug)
ast_verb(0, "Transfer canceled, hangup our threeway channel\n");
if (p->subs[SUB_THREEWAY]->owner)
ast_queue_hangup(p->subs[SUB_THREEWAY]->owner);
else
ast_log(LOG_WARNING, "Canceling a threeway channel without owner\n");
return;
}
/* Start music on hold if appropriate */
if (pte->device->moh)
ast_log(LOG_WARNING, "Transfer with peer already listening music on hold\n");
else {
if (ast_bridged_channel(p->subs[SUB_REAL]->owner)) {
ast_moh_start(ast_bridged_channel(p->subs[SUB_REAL]->owner),
pte->device->lines->musicclass, NULL);
pte->device->moh = 1;
} else {
ast_log(LOG_WARNING, "Unable to find peer subchannel for music on hold\n");
return;
}
}
/* Silence our channel */
if (!pte->device->silence_generator) {
pte->device->silence_generator =
ast_channel_start_silence_generator(p->subs[SUB_REAL]->owner);
if (pte->device->silence_generator == NULL)
ast_log(LOG_WARNING, "Unable to start a silence generator.\n");
else if (unistimdebug)
ast_verb(0, "Starting silence generator\n");
}
handle_dial_page(pte);
}
/* From phone to PBX */
static void HandleCallOutgoing(struct unistimsession *s)
{
struct ast_channel *c;
struct unistim_subchannel *sub;
pthread_t t;
s->state = STATE_CALL;
sub = s->device->lines->subs[SUB_REAL];
if (!sub) {
ast_log(LOG_NOTICE, "No available lines on: %s\n", s->device->name);
return;
}
if (!sub->owner) { /* A call is already in progress ? */
c = unistim_new(sub, AST_STATE_DOWN); /* No, starting a new one */
if (c) {
/* Need to start RTP before calling ast_pbx_run */
if (!sub->rtp)
start_rtp(sub);
send_select_output(s, s->device->output, s->device->volume, MUTE_OFF);
send_text(TEXT_LINE0, TEXT_NORMAL, s, "Calling :");
send_text(TEXT_LINE1, TEXT_NORMAL, s, s->device->phone_number);
send_text(TEXT_LINE2, TEXT_NORMAL, s, "Dialing...");
send_text_status(s, "Hangup");
/* start switch */
if (ast_pthread_create(&t, NULL, unistim_ss, c)) {
display_last_error("Unable to create switch thread");
ast_queue_hangup(c);
}
} else
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n",
sub->parent->name, s->device->name);
} else { /* We already have a call, so we switch in a threeway call */
if (s->device->moh) {
struct unistim_subchannel *sub;
struct unistim_line *p = s->device->lines;
sub = p->subs[SUB_REAL];
if (!sub->owner) {
ast_log(LOG_WARNING, "Unable to find subchannel for music on hold\n");
return;
}
if (p->subs[SUB_THREEWAY]) {
ast_log(LOG_WARNING,
"Can't transfer while an another transfer is taking place\n");
return;
}
if (!alloc_sub(p, SUB_THREEWAY)) {
ast_log(LOG_WARNING, "Unable to allocate three-way subchannel\n");
return;
}
/* Stop the silence generator */
if (s->device->silence_generator) {
if (unistimdebug)
ast_verb(0, "Stopping silence generator\n");
ast_channel_stop_silence_generator(sub->owner,
s->device->silence_generator);
s->device->silence_generator = NULL;
}
send_tone(s, 0, 0);
/* Make new channel */
c = unistim_new(p->subs[SUB_THREEWAY], AST_STATE_DOWN);
if (!c) {
ast_log(LOG_WARNING, "Cannot allocate new structure on channel %p\n", p);
return;
}
/* Swap things around between the three-way and real call */
swap_subs(p, SUB_THREEWAY, SUB_REAL);
send_select_output(s, s->device->output, s->device->volume, MUTE_OFF);
send_text(TEXT_LINE0, TEXT_NORMAL, s, "Calling (pre-transfer)");
send_text(TEXT_LINE1, TEXT_NORMAL, s, s->device->phone_number);
send_text(TEXT_LINE2, TEXT_NORMAL, s, "Dialing...");
send_text_status(s, "TransfrCancel");
if (ast_pthread_create(&t, NULL, unistim_ss, p->subs[SUB_THREEWAY]->owner)) {
ast_log(LOG_WARNING, "Unable to start simple switch on channel %p\n", p);
ast_hangup(c);
return;
}
if (unistimdebug)
ast_verb(0, "Started three way call on channel %p (%s) subchan %d\n",
p->subs[SUB_THREEWAY]->owner, p->subs[SUB_THREEWAY]->owner->name,
p->subs[SUB_THREEWAY]->subtype);
} else
ast_debug(1, "Current sub [%s] already has owner\n", sub->owner->name);
}
return;
}
/* From PBX to phone */
static void HandleCallIncoming(struct unistimsession *s)
{
struct unistim_subchannel *sub;
s->state = STATE_CALL;
s->device->missed_call = 0;
send_no_ring(s);
sub = s->device->lines->subs[SUB_REAL];
if (!sub) {
ast_log(LOG_NOTICE, "No available lines on: %s\n", s->device->name);
return;
} else if (unistimdebug)
ast_verb(0, "Handle Call Incoming for %s@%s\n", sub->parent->name,
s->device->name);
start_rtp(sub);
if (!sub->rtp)
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", sub->parent->name,
s->device->name);
ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
send_text(TEXT_LINE2, TEXT_NORMAL, s, "is on-line");
send_text_status(s, "Hangup Transf");
send_start_timer(s);
if ((s->device->output == OUTPUT_HANDSET) &&
(s->device->receiver_state == STATE_ONHOOK))
send_select_output(s, OUTPUT_SPEAKER, s->device->volume, MUTE_OFF);
else
send_select_output(s, s->device->output, s->device->volume, MUTE_OFF);
s->device->start_call_timestamp = time(0);
write_history(s, 'i', 0);
return;
}
static int unistim_do_senddigit(struct unistimsession *pte, char digit)
{
struct ast_frame f = { .frametype = AST_FRAME_DTMF, .subclass = digit, .src = "unistim" };
struct unistim_subchannel *sub;
sub = pte->device->lines->subs[SUB_REAL];
if (!sub->owner || sub->alreadygone) {
ast_log(LOG_WARNING, "Unable to find subchannel in dtmf senddigit\n");
return -1;
}
/* Send DTMF indication _before_ playing sounds */
ast_queue_frame(sub->owner, &f);
if (unistimdebug)
ast_verb(0, "Send Digit %c\n", digit);
switch (digit) {
case '0':
send_tone(pte, 941, 1336);
break;
case '1':
send_tone(pte, 697, 1209);
break;
case '2':
send_tone(pte, 697, 1336);
break;
case '3':
send_tone(pte, 697, 1477);
break;
case '4':
send_tone(pte, 770, 1209);
break;
case '5':
send_tone(pte, 770, 1336);
break;
case '6':
send_tone(pte, 770, 1477);
break;
case '7':
send_tone(pte, 852, 1209);
break;
case '8':
send_tone(pte, 852, 1336);
break;
case '9':
send_tone(pte, 852, 1477);
break;
case 'A':
send_tone(pte, 697, 1633);
break;
case 'B':
send_tone(pte, 770, 1633);
break;
case 'C':
send_tone(pte, 852, 1633);
break;
case 'D':
send_tone(pte, 941, 1633);
break;
case '*':
send_tone(pte, 941, 1209);
break;
case '#':
send_tone(pte, 941, 1477);
break;
default:
send_tone(pte, 500, 2000);
}
usleep(150000); /* XXX Less than perfect, blocking an important thread is not a good idea */
send_tone(pte, 0, 0);
return 0;
}
static void key_call(struct unistimsession *pte, char keycode)
{
if ((keycode >= KEY_0) && (keycode <= KEY_SHARP)) {
if (keycode == KEY_SHARP)
keycode = '#';
else if (keycode == KEY_STAR)
keycode = '*';
else
keycode -= 0x10;
unistim_do_senddigit(pte, keycode);
return;
}
switch (keycode) {
case KEY_HANGUP:
case KEY_FUNC1:
close_call(pte);
break;
case KEY_FUNC2:
TransferCallStep1(pte);
break;
case KEY_HEADPHN:
if (pte->device->output == OUTPUT_HEADPHONE)
send_select_output(pte, OUTPUT_HANDSET, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, OUTPUT_HEADPHONE, pte->device->volume, MUTE_OFF);
break;
case KEY_LOUDSPK:
if (pte->device->output != OUTPUT_SPEAKER)
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, pte->device->previous_output, pte->device->volume,
MUTE_OFF);
break;
case KEY_MUTE:
if (!pte->device->moh) {
if (pte->device->mute == MUTE_ON)
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_ON);
break;
}
case KEY_ONHOLD:
{
struct unistim_subchannel *sub;
struct ast_channel *bridgepeer = NULL;
sub = pte->device->lines->subs[SUB_REAL];
if (!sub->owner) {
ast_log(LOG_WARNING, "Unable to find subchannel for music on hold\n");
return;
}
if ((bridgepeer = ast_bridged_channel(sub->owner))) {
if (pte->device->moh) {
ast_moh_stop(bridgepeer);
pte->device->moh = 0;
send_select_output(pte, pte->device->output, pte->device->volume,
MUTE_OFF);
} else {
ast_moh_start(bridgepeer, pte->device->lines->musicclass, NULL);
pte->device->moh = 1;
send_select_output(pte, pte->device->output, pte->device->volume,
MUTE_ON);
}
} else
ast_log(LOG_WARNING,
"Unable to find peer subchannel for music on hold\n");
break;
}
}
return;
}
static void key_ringing(struct unistimsession *pte, char keycode)
{
if (keycode == KEY_FAV0 + pte->device->softkeylinepos) {
HandleCallIncoming(pte);
return;
}
switch (keycode) {
case KEY_HANGUP:
case KEY_FUNC4:
IgnoreCall(pte);
break;
case KEY_FUNC1:
HandleCallIncoming(pte);
break;
}
return;
}
static void Keyfavorite(struct unistimsession *pte, char keycode)
{
int fav;
if ((keycode < KEY_FAV1) && (keycode > KEY_FAV5)) {
ast_log(LOG_WARNING, "It's not a favorite key\n");
return;
}
if (keycode == KEY_FAV0)
return;
fav = keycode - KEY_FAV0;
if (pte->device->softkeyicon[fav] == 0)
return;
ast_copy_string(pte->device->phone_number, pte->device->softkeynumber[fav],
sizeof(pte->device->phone_number));
HandleCallOutgoing(pte);
return;
}
static void key_dial_page(struct unistimsession *pte, char keycode)
{
if (keycode == KEY_FUNC3) {
if (pte->device->size_phone_number <= 1)
keycode = KEY_FUNC4;
else {
pte->device->size_phone_number -= 2;
keycode = pte->device->phone_number[pte->device->size_phone_number] + 0x10;
}
}
if ((keycode >= KEY_0) && (keycode <= KEY_SHARP)) {
char tmpbuf[] = "Number : ...............";
int i = 0;
if (pte->device->size_phone_number >= 15)
return;
if (pte->device->size_phone_number == 0)
send_tone(pte, 0, 0);
while (i < pte->device->size_phone_number) {
tmpbuf[i + 9] = pte->device->phone_number[i];
i++;
}
if (keycode == KEY_SHARP)
keycode = '#';
else if (keycode == KEY_STAR)
keycode = '*';
else
keycode -= 0x10;
tmpbuf[i + 9] = keycode;
pte->device->phone_number[i] = keycode;
pte->device->size_phone_number++;
pte->device->phone_number[i + 1] = 0;
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmpbuf);
send_blink_cursor(pte);
send_cursor_pos(pte, (unsigned char) (TEXT_LINE2 + 0x0a + i));
return;
}
if (keycode == KEY_FUNC4) {
pte->device->size_phone_number = 0;
send_text(TEXT_LINE2, TEXT_NORMAL, pte, "Number : ...............");
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + 0x09);
return;
}
if (pte->device->call_forward[0] == -1) {
if (keycode == KEY_FUNC1) {
ast_copy_string(pte->device->call_forward, pte->device->phone_number,
sizeof(pte->device->call_forward));
show_main_page(pte);
} else if ((keycode == KEY_FUNC2) || (keycode == KEY_HANGUP)) {
pte->device->call_forward[0] = '\0';
show_main_page(pte);
}
return;
}
switch (keycode) {
case KEY_FUNC2:
if (ast_strlen_zero(pte->device->redial_number))
break;
ast_copy_string(pte->device->phone_number, pte->device->redial_number,
sizeof(pte->device->phone_number));
case KEY_FUNC1:
HandleCallOutgoing(pte);
break;
case KEY_HANGUP:
if (pte->device->lines->subs[SUB_REAL]->owner) {
/* Stop the silence generator */
if (pte->device->silence_generator) {
if (unistimdebug)
ast_verb(0, "Stopping silence generator\n");
ast_channel_stop_silence_generator(pte->device->lines->subs[SUB_REAL]->
owner, pte->device->silence_generator);
pte->device->silence_generator = NULL;
}
send_tone(pte, 0, 0);
ast_moh_stop(ast_bridged_channel(pte->device->lines->subs[SUB_REAL]->owner));
pte->device->moh = 0;
pte->state = STATE_CALL;
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Dialing canceled,");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "switching back to");
send_text(TEXT_LINE2, TEXT_NORMAL, pte, "previous call.");
send_text_status(pte, "Hangup Transf");
} else
show_main_page(pte);
break;
case KEY_FAV1:
case KEY_FAV2:
case KEY_FAV3:
case KEY_FAV4:
case KEY_FAV5:
Keyfavorite(pte, keycode);
break;
case KEY_LOUDSPK:
if (pte->device->output == OUTPUT_SPEAKER) {
if (pte->device->receiver_state == STATE_OFFHOOK)
send_select_output(pte, pte->device->previous_output, pte->device->volume,
MUTE_OFF);
else
show_main_page(pte);
} else
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
break;
case KEY_HEADPHN:
if (pte->device->output == OUTPUT_HEADPHONE) {
if (pte->device->receiver_state == STATE_OFFHOOK)
send_select_output(pte, OUTPUT_HANDSET, pte->device->volume, MUTE_OFF);
else
show_main_page(pte);
} else
send_select_output(pte, OUTPUT_HEADPHONE, pte->device->volume, MUTE_OFF);
break;
}
return;
}
#define SELECTCODEC_START_ENTRY_POS 15
#define SELECTCODEC_MAX_LENGTH 2
#define SELECTCODEC_MSG "Codec number : .."
static void HandleSelectCodec(struct unistimsession *pte)
{
char buf[30], buf2[5];
pte->state = STATE_SELECTCODEC;
strcpy(buf, "Using codec ");
sprintf(buf2, "%d", pte->device->codec_number);
strcat(buf, buf2);
strcat(buf, " (G711u=0,");
send_text(TEXT_LINE0, TEXT_NORMAL, pte, buf);
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "G723=4,G711a=8,G729A=18)");
send_text(TEXT_LINE2, TEXT_INVERSE, pte, SELECTCODEC_MSG);
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + SELECTCODEC_START_ENTRY_POS);
pte->size_buff_entry = 0;
send_text_status(pte, "Select BackSpcErase Cancel");
return;
}
static void key_select_codec(struct unistimsession *pte, char keycode)
{
if (keycode == KEY_FUNC2) {
if (pte->size_buff_entry <= 1)
keycode = KEY_FUNC3;
else {
pte->size_buff_entry -= 2;
keycode = pte->buff_entry[pte->size_buff_entry] + 0x10;
}
}
if ((keycode >= KEY_0) && (keycode <= KEY_9)) {
char tmpbuf[] = SELECTCODEC_MSG;
int i = 0;
if (pte->size_buff_entry >= SELECTCODEC_MAX_LENGTH)
return;
while (i < pte->size_buff_entry) {
tmpbuf[i + SELECTCODEC_START_ENTRY_POS] = pte->buff_entry[i];
i++;
}
tmpbuf[i + SELECTCODEC_START_ENTRY_POS] = keycode - 0x10;
pte->buff_entry[i] = keycode - 0x10;
pte->size_buff_entry++;
send_text(TEXT_LINE2, TEXT_INVERSE, pte, tmpbuf);
send_blink_cursor(pte);
send_cursor_pos(pte,
(unsigned char) (TEXT_LINE2 + SELECTCODEC_START_ENTRY_POS + 1 + i));
return;
}
switch (keycode) {
case KEY_FUNC1:
if (pte->size_buff_entry == 1)
pte->device->codec_number = pte->buff_entry[0] - 48;
else if (pte->size_buff_entry == 2)
pte->device->codec_number =
((pte->buff_entry[0] - 48) * 10) + (pte->buff_entry[1] - 48);
show_main_page(pte);
break;
case KEY_FUNC3:
pte->size_buff_entry = 0;
send_text(TEXT_LINE2, TEXT_INVERSE, pte, SELECTCODEC_MSG);
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + SELECTCODEC_START_ENTRY_POS);
break;
case KEY_HANGUP:
case KEY_FUNC4:
show_main_page(pte);
break;
}
return;
}
#define SELECTEXTENSION_START_ENTRY_POS 0
#define SELECTEXTENSION_MAX_LENGTH 10
#define SELECTEXTENSION_MSG ".........."
static void ShowExtensionPage(struct unistimsession *pte)
{
pte->state = STATE_EXTENSION;
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Please enter a Terminal");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "Number (TN) :");
send_text(TEXT_LINE2, TEXT_NORMAL, pte, SELECTEXTENSION_MSG);
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + SELECTEXTENSION_START_ENTRY_POS);
send_text_status(pte, "Enter BackSpcErase");
pte->size_buff_entry = 0;
return;
}
static void key_select_extension(struct unistimsession *pte, char keycode)
{
if (keycode == KEY_FUNC2) {
if (pte->size_buff_entry <= 1)
keycode = KEY_FUNC3;
else {
pte->size_buff_entry -= 2;
keycode = pte->buff_entry[pte->size_buff_entry] + 0x10;
}
}
if ((keycode >= KEY_0) && (keycode <= KEY_9)) {
char tmpbuf[] = SELECTEXTENSION_MSG;
int i = 0;
if (pte->size_buff_entry >= SELECTEXTENSION_MAX_LENGTH)
return;
while (i < pte->size_buff_entry) {
tmpbuf[i + SELECTEXTENSION_START_ENTRY_POS] = pte->buff_entry[i];
i++;
}
tmpbuf[i + SELECTEXTENSION_START_ENTRY_POS] = keycode - 0x10;
pte->buff_entry[i] = keycode - 0x10;
pte->size_buff_entry++;
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmpbuf);
send_blink_cursor(pte);
send_cursor_pos(pte,
(unsigned char) (TEXT_LINE2 + SELECTEXTENSION_START_ENTRY_POS + 1 +
i));
return;
}
switch (keycode) {
case KEY_FUNC1:
if (pte->size_buff_entry < 1)
return;
if (autoprovisioning == AUTOPROVISIONING_TN) {
struct unistim_device *d;
/* First step : looking for this TN in our device list */
ast_mutex_lock(&devicelock);
d = devices;
pte->buff_entry[pte->size_buff_entry] = '\0';
while (d) {
if (d->id[0] == 'T') { /* It's a TN device ? */
/* It's the TN we're looking for ? */
if (!strcmp((d->id) + 1, pte->buff_entry)) {
pte->device = d;
d->session = pte;
d->codec_number = DEFAULT_CODEC;
d->pos_fav = 0;
d->missed_call = 0;
d->receiver_state = STATE_ONHOOK;
strcpy(d->id, pte->macaddr);
pte->device->extension_number[0] = 'T';
pte->device->extension = EXTENSION_TN;
ast_copy_string((pte->device->extension_number) + 1,
pte->buff_entry, pte->size_buff_entry + 1);
ast_mutex_unlock(&devicelock);
show_main_page(pte);
refresh_all_favorite(pte);
return;
}
}
d = d->next;
}
ast_mutex_unlock(&devicelock);
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Invalid Terminal Number.");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "Please try again :");
send_cursor_pos(pte,
(unsigned char) (TEXT_LINE2 + SELECTEXTENSION_START_ENTRY_POS +
pte->size_buff_entry));
send_blink_cursor(pte);
} else {
ast_copy_string(pte->device->extension_number, pte->buff_entry,
pte->size_buff_entry + 1);
if (RegisterExtension(pte)) {
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Invalid extension.");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "Please try again :");
send_cursor_pos(pte,
(unsigned char) (TEXT_LINE2 +
SELECTEXTENSION_START_ENTRY_POS +
pte->size_buff_entry));
send_blink_cursor(pte);
} else
show_main_page(pte);
}
break;
case KEY_FUNC3:
pte->size_buff_entry = 0;
send_text(TEXT_LINE2, TEXT_NORMAL, pte, SELECTEXTENSION_MSG);
send_blink_cursor(pte);
send_cursor_pos(pte, TEXT_LINE2 + SELECTEXTENSION_START_ENTRY_POS);
break;
}
return;
}
static int ReformatNumber(char *number)
{
int pos = 0, i = 0, size = strlen(number);
for (; i < size; i++) {
if ((number[i] >= '0') && (number[i] <= '9')) {
if (i == pos) {
pos++;
continue;
}
number[pos] = number[i];
pos++;
}
}
number[pos] = 0;
return pos;
}
static void show_entry_history(struct unistimsession *pte, FILE ** f)
{
char line[TEXT_LENGTH_MAX + 1], status[STATUS_LENGTH_MAX + 1], func1[10], func2[10],
func3[10];
if (fread(line, TEXT_LENGTH_MAX, 1, *f) != 1) {
display_last_error("Can't read history date entry");
fclose(*f);
return;
}
line[sizeof(line) - 1] = '\0';
send_text(TEXT_LINE0, TEXT_NORMAL, pte, line);
if (fread(line, TEXT_LENGTH_MAX, 1, *f) != 1) {
display_last_error("Can't read callerid entry");
fclose(*f);
return;
}
line[sizeof(line) - 1] = '\0';
ast_copy_string(pte->device->lst_cid, line, sizeof(pte->device->lst_cid));
send_text(TEXT_LINE1, TEXT_NORMAL, pte, line);
if (fread(line, TEXT_LENGTH_MAX, 1, *f) != 1) {
display_last_error("Can't read callername entry");
fclose(*f);
return;
}
line[sizeof(line) - 1] = '\0';
send_text(TEXT_LINE2, TEXT_NORMAL, pte, line);
fclose(*f);
snprintf(line, sizeof(line), "Call %03d/%03d", pte->buff_entry[2],
pte->buff_entry[1]);
send_texttitle(pte, line);
if (pte->buff_entry[2] == 1)
strcpy(func1, " ");
else
strcpy(func1, "Prvious");
if (pte->buff_entry[2] >= pte->buff_entry[1])
strcpy(func2, " ");
else
strcpy(func2, "Next ");
if (ReformatNumber(pte->device->lst_cid))
strcpy(func3, "Redial ");
else
strcpy(func3, " ");
snprintf(status, sizeof(status), "%s%s%sCancel", func1, func2, func3);
send_text_status(pte, status);
}
static char OpenHistory(struct unistimsession *pte, char way, FILE ** f)
{
char tmp[AST_CONFIG_MAX_PATH];
char count;
snprintf(tmp, sizeof(tmp), "%s/%s/%s-%c.csv", ast_config_AST_LOG_DIR,
USTM_LOG_DIR, pte->device->name, way);
*f = fopen(tmp, "r");
if (!*f) {
display_last_error("Unable to open history file");
return 0;
}
if (fread(&count, 1, 1, *f) != 1) {
display_last_error("Unable to read history header - display.");
fclose(*f);
return 0;
}
if (count > MAX_ENTRY_LOG) {
ast_log(LOG_WARNING, "Invalid count in history header of %s (%d max %d)\n", tmp,
count, MAX_ENTRY_LOG);
fclose(*f);
return 0;
}
return count;
}
static void show_history(struct unistimsession *pte, char way)
{
FILE *f;
char count;
if (!pte->device)
return;
if (!pte->device->callhistory)
return;
count = OpenHistory(pte, way, &f);
if (!count)
return;
pte->buff_entry[0] = way;
pte->buff_entry[1] = count;
pte->buff_entry[2] = 1;
show_entry_history(pte, &f);
pte->state = STATE_HISTORY;
}
static void show_main_page(struct unistimsession *pte)
{
char tmpbuf[TEXT_LENGTH_MAX + 1];
if ((pte->device->extension == EXTENSION_ASK) &&
(ast_strlen_zero(pte->device->extension_number))) {
ShowExtensionPage(pte);
return;
}
pte->state = STATE_MAINPAGE;
send_tone(pte, 0, 0);
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_ON_DISCRET);
pte->device->lines->lastmsgssent = 0;
send_favorite(pte->device->softkeylinepos, FAV_ICON_ONHOOK_BLACK, pte,
pte->device->softkeylabel[pte->device->softkeylinepos]);
if (!ast_strlen_zero(pte->device->call_forward)) {
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Call forwarded to :");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, pte->device->call_forward);
Sendicon(TEXT_LINE0, FAV_ICON_REFLECT + FAV_BLINK_SLOW, pte);
send_text_status(pte, "Dial Redial NoForwd");
} else {
if ((pte->device->extension == EXTENSION_ASK) ||
(pte->device->extension == EXTENSION_TN))
send_text_status(pte, "Dial Redial ForwardUnregis");
else
send_text_status(pte, "Dial Redial Forward");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, pte->device->maintext1);
if (pte->device->missed_call == 0)
send_text(TEXT_LINE0, TEXT_NORMAL, pte, pte->device->maintext0);
else {
sprintf(tmpbuf, "%d unanswered call(s)", pte->device->missed_call);
send_text(TEXT_LINE0, TEXT_NORMAL, pte, tmpbuf);
Sendicon(TEXT_LINE0, FAV_ICON_CALL_CENTER + FAV_BLINK_SLOW, pte);
}
}
if (ast_strlen_zero(pte->device->maintext2)) {
strcpy(tmpbuf, "IP : ");
strcat(tmpbuf, ast_inet_ntoa(pte->sin.sin_addr));
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmpbuf);
} else
send_text(TEXT_LINE2, TEXT_NORMAL, pte, pte->device->maintext2);
send_texttitle(pte, pte->device->titledefault);
change_favorite_icon(pte, FAV_ICON_ONHOOK_BLACK);
}
static void key_main_page(struct unistimsession *pte, char keycode)
{
if (pte->device->missed_call) {
Sendicon(TEXT_LINE0, FAV_ICON_NONE, pte);
pte->device->missed_call = 0;
}
if ((keycode >= KEY_0) && (keycode <= KEY_SHARP)) {
handle_dial_page(pte);
key_dial_page(pte, keycode);
return;
}
switch (keycode) {
case KEY_FUNC1:
handle_dial_page(pte);
break;
case KEY_FUNC2:
if (ast_strlen_zero(pte->device->redial_number))
break;
if ((pte->device->output == OUTPUT_HANDSET) &&
(pte->device->receiver_state == STATE_ONHOOK))
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_OFF);
ast_copy_string(pte->device->phone_number, pte->device->redial_number,
sizeof(pte->device->phone_number));
HandleCallOutgoing(pte);
break;
case KEY_FUNC3:
if (!ast_strlen_zero(pte->device->call_forward)) {
/* Cancel call forwarding */
memmove(pte->device->call_forward + 1, pte->device->call_forward,
sizeof(pte->device->call_forward));
pte->device->call_forward[0] = '\0';
Sendicon(TEXT_LINE0, FAV_ICON_NONE, pte);
pte->device->output = OUTPUT_HANDSET; /* Seems to be reseted somewhere */
show_main_page(pte);
break;
}
pte->device->call_forward[0] = -1;
handle_dial_page(pte);
break;
case KEY_FUNC4:
if (pte->device->extension == EXTENSION_ASK) {
UnregisterExtension(pte);
pte->device->extension_number[0] = '\0';
ShowExtensionPage(pte);
} else if (pte->device->extension == EXTENSION_TN) {
ast_mutex_lock(&devicelock);
strcpy(pte->device->id, pte->device->extension_number);
pte->buff_entry[0] = '\0';
pte->size_buff_entry = 0;
pte->device->session = NULL;
pte->device = NULL;
ast_mutex_unlock(&devicelock);
ShowExtensionPage(pte);
}
break;
case KEY_FAV0:
handle_dial_page(pte);
break;
case KEY_FAV1:
case KEY_FAV2:
case KEY_FAV3:
case KEY_FAV4:
case KEY_FAV5:
if ((pte->device->output == OUTPUT_HANDSET) &&
(pte->device->receiver_state == STATE_ONHOOK))
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, pte->device->output, pte->device->volume, MUTE_OFF);
Keyfavorite(pte, keycode);
break;
case KEY_CONF:
HandleSelectCodec(pte);
break;
case KEY_LOUDSPK:
send_select_output(pte, OUTPUT_SPEAKER, pte->device->volume, MUTE_OFF);
handle_dial_page(pte);
break;
case KEY_HEADPHN:
send_select_output(pte, OUTPUT_HEADPHONE, pte->device->volume, MUTE_OFF);
handle_dial_page(pte);
break;
case KEY_SNDHIST:
show_history(pte, 'o');
break;
case KEY_RCVHIST:
show_history(pte, 'i');
break;
}
return;
}
static void key_history(struct unistimsession *pte, char keycode)
{
FILE *f;
char count;
long offset;
switch (keycode) {
case KEY_UP:
case KEY_LEFT:
case KEY_FUNC1:
if (pte->buff_entry[2] <= 1)
return;
pte->buff_entry[2]--;
count = OpenHistory(pte, pte->buff_entry[0], &f);
if (!count)
return;
offset = ((pte->buff_entry[2] - 1) * TEXT_LENGTH_MAX * 3);
if (fseek(f, offset, SEEK_CUR)) {
display_last_error("Unable to seek history entry.");
fclose(f);
return;
}
show_entry_history(pte, &f);
break;
case KEY_DOWN:
case KEY_RIGHT:
case KEY_FUNC2:
if (pte->buff_entry[2] >= pte->buff_entry[1])
return;
pte->buff_entry[2]++;
count = OpenHistory(pte, pte->buff_entry[0], &f);
if (!count)
return;
offset = ((pte->buff_entry[2] - 1) * TEXT_LENGTH_MAX * 3);
if (fseek(f, offset, SEEK_CUR)) {
display_last_error("Unable to seek history entry.");
fclose(f);
return;
}
show_entry_history(pte, &f);
break;
case KEY_FUNC3:
if (!ReformatNumber(pte->device->lst_cid))
break;
ast_copy_string(pte->device->redial_number, pte->device->lst_cid,
sizeof(pte->device->redial_number));
key_main_page(pte, KEY_FUNC2);
break;
case KEY_FUNC4:
case KEY_HANGUP:
show_main_page(pte);
break;
case KEY_SNDHIST:
if (pte->buff_entry[0] == 'i')
show_history(pte, 'o');
else
show_main_page(pte);
break;
case KEY_RCVHIST:
if (pte->buff_entry[0] == 'i')
show_main_page(pte);
else
show_history(pte, 'i');
break;
}
return;
}
static void init_phone_step2(struct unistimsession *pte)
{
BUFFSEND;
if (unistimdebug)
ast_verb(0, "Sending S4\n");
memcpy(buffsend + SIZE_HEADER, packet_send_s4, sizeof(packet_send_s4));
send_client(SIZE_HEADER + sizeof(packet_send_s4), buffsend, pte);
send_date_time2(pte);
send_date_time3(pte);
if (unistimdebug)
ast_verb(0, "Sending S7\n");
memcpy(buffsend + SIZE_HEADER, packet_send_S7, sizeof(packet_send_S7));
send_client(SIZE_HEADER + sizeof(packet_send_S7), buffsend, pte);
if (unistimdebug)
ast_verb(0, "Sending Contrast\n");
memcpy(buffsend + SIZE_HEADER, packet_send_Contrast, sizeof(packet_send_Contrast));
if (pte->device != NULL)
buffsend[9] = pte->device->contrast;
send_client(SIZE_HEADER + sizeof(packet_send_Contrast), buffsend, pte);
if (unistimdebug)
ast_verb(0, "Sending S9\n");
memcpy(buffsend + SIZE_HEADER, packet_send_s9, sizeof(packet_send_s9));
send_client(SIZE_HEADER + sizeof(packet_send_s9), buffsend, pte);
send_no_ring(pte);
if (unistimdebug)
ast_verb(0, "Sending S7\n");
memcpy(buffsend + SIZE_HEADER, packet_send_S7, sizeof(packet_send_S7));
send_client(SIZE_HEADER + sizeof(packet_send_S7), buffsend, pte);
send_led_update(pte, 0);
send_ping(pte);
if (pte->state < STATE_MAINPAGE) {
if (autoprovisioning == AUTOPROVISIONING_TN) {
ShowExtensionPage(pte);
return;
} else {
int i;
char tmp[30];
for (i = 1; i < 6; i++)
send_favorite(i, 0, pte, "");
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Sorry, this phone is not");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, "registered in unistim.cfg");
strcpy(tmp, "MAC = ");
strcat(tmp, pte->macaddr);
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmp);
send_text_status(pte, "");
send_texttitle(pte, "UNISTIM for*");
return;
}
}
show_main_page(pte);
refresh_all_favorite(pte);
if (unistimdebug)
ast_verb(0, "Sending arrow\n");
memcpy(buffsend + SIZE_HEADER, packet_send_arrow, sizeof(packet_send_arrow));
send_client(SIZE_HEADER + sizeof(packet_send_arrow), buffsend, pte);
return;
}
static void process_request(int size, unsigned char *buf, struct unistimsession *pte)
{
char tmpbuf[255];
if (memcmp
(buf + SIZE_HEADER, packet_recv_resume_connection_with_server,
sizeof(packet_recv_resume_connection_with_server)) == 0) {
rcv_resume_connection_with_server(pte);
return;
}
if (memcmp(buf + SIZE_HEADER, packet_recv_firm_version, sizeof(packet_recv_firm_version)) ==
0) {
buf[size] = 0;
if (unistimdebug)
ast_verb(0, "Got the firmware version : '%s'\n", buf + 13);
init_phone_step2(pte);
return;
}
if (memcmp(buf + SIZE_HEADER, packet_recv_mac_addr, sizeof(packet_recv_mac_addr)) == 0) {
rcv_mac_addr(pte, buf);
return;
}
if (memcmp(buf + SIZE_HEADER, packet_recv_r2, sizeof(packet_recv_r2)) == 0) {
if (unistimdebug)
ast_verb(0, "R2 received\n");
return;
}
if (pte->state < STATE_MAINPAGE) {
if (unistimdebug)
ast_verb(0, "Request not authorized in this state\n");
return;
}
if (!memcmp(buf + SIZE_HEADER, packet_recv_pressed_key, sizeof(packet_recv_pressed_key))) {
char keycode = buf[13];
if (unistimdebug)
ast_verb(0, "Key pressed : keycode = 0x%.2x - current state : %d\n", keycode,
pte->state);
switch (pte->state) {
case STATE_INIT:
if (unistimdebug)
ast_verb(0, "No keys allowed in the init state\n");
break;
case STATE_AUTHDENY:
if (unistimdebug)
ast_verb(0, "No keys allowed in authdeny state\n");
break;
case STATE_MAINPAGE:
key_main_page(pte, keycode);
break;
case STATE_DIALPAGE:
key_dial_page(pte, keycode);
break;
case STATE_RINGING:
key_ringing(pte, keycode);
break;
case STATE_CALL:
key_call(pte, keycode);
break;
case STATE_EXTENSION:
key_select_extension(pte, keycode);
break;
case STATE_SELECTCODEC:
key_select_codec(pte, keycode);
break;
case STATE_HISTORY:
key_history(pte, keycode);
break;
default:
ast_log(LOG_WARNING, "Key : Unknown state\n");
}
return;
}
if (memcmp(buf + SIZE_HEADER, packet_recv_pick_up, sizeof(packet_recv_pick_up)) == 0) {
if (unistimdebug)
ast_verb(0, "Handset off hook\n");
if (!pte->device) /* We are not yet registered (asking for a TN in AUTOPROVISIONING_TN) */
return;
pte->device->receiver_state = STATE_OFFHOOK;
if (pte->device->output == OUTPUT_HEADPHONE)
send_select_output(pte, OUTPUT_HEADPHONE, pte->device->volume, MUTE_OFF);
else
send_select_output(pte, OUTPUT_HANDSET, pte->device->volume, MUTE_OFF);
if (pte->state == STATE_RINGING)
HandleCallIncoming(pte);
else if ((pte->state == STATE_DIALPAGE) || (pte->state == STATE_CALL))
send_select_output(pte, OUTPUT_HANDSET, pte->device->volume, MUTE_OFF);
else if (pte->state == STATE_EXTENSION) /* We must have a TN before calling */
return;
else {
send_select_output(pte, OUTPUT_HANDSET, pte->device->volume, MUTE_OFF);
handle_dial_page(pte);
}
return;
}
if (memcmp(buf + SIZE_HEADER, packet_recv_hangup, sizeof(packet_recv_hangup)) == 0) {
if (unistimdebug)
ast_verb(0, "Handset on hook\n");
if (!pte->device)
return;
pte->device->receiver_state = STATE_ONHOOK;
if (pte->state == STATE_CALL)
close_call(pte);
else if (pte->device->lines->subs[SUB_REAL]->owner)
close_call(pte);
else if (pte->state == STATE_EXTENSION)
return;
else
show_main_page(pte);
return;
}
strcpy(tmpbuf, ast_inet_ntoa(pte->sin.sin_addr));
strcat(tmpbuf, " Unknown request packet\n");
if (unistimdebug)
ast_debug(1, "%s", tmpbuf);
return;
}
static void parsing(int size, unsigned char *buf, struct unistimsession *pte,
struct sockaddr_in *addr_from)
{
unsigned short *sbuf = (unsigned short *) buf;
unsigned short seq;
char tmpbuf[255];
strcpy(tmpbuf, ast_inet_ntoa(addr_from->sin_addr));
if (size < 10) {
if (size == 0) {
ast_log(LOG_WARNING, "%s Read error\n", tmpbuf);
} else {
ast_log(LOG_NOTICE, "%s Packet too short - ignoring\n", tmpbuf);
}
return;
}
if (sbuf[0] == 0xffff) { /* Starting with 0xffff ? *//* Yes, discovery packet ? */
if (size != sizeof(packet_rcv_discovery)) {
ast_log(LOG_NOTICE, "%s Invalid size of a discovery packet\n", tmpbuf);
} else {
if (memcmp(buf, packet_rcv_discovery, sizeof(packet_rcv_discovery)) == 0) {
if (unistimdebug)
ast_verb(0, "Discovery packet received - Sending Discovery ACK\n");
if (pte) { /* A session was already active for this IP ? */
if (pte->state == STATE_INIT) { /* Yes, but it's a dupe */
if (unistimdebug)
ast_verb(1, "Duplicated Discovery packet\n");
send_raw_client(sizeof(packet_send_discovery_ack),
packet_send_discovery_ack, addr_from, &pte->sout);
pte->seq_phone = (short) 0x0000; /* reset sequence number */
} else { /* No, probably a reboot, phone side */
close_client(pte); /* Cleanup the previous session */
if (create_client(addr_from))
send_raw_client(sizeof(packet_send_discovery_ack),
packet_send_discovery_ack, addr_from, &pte->sout);
}
} else {
/* Creating new entry in our phone list */
if ((pte = create_client(addr_from)))
send_raw_client(sizeof(packet_send_discovery_ack),
packet_send_discovery_ack, addr_from, &pte->sout);
}
return;
}
ast_log(LOG_NOTICE, "%s Invalid discovery packet\n", tmpbuf);
}
return;
}
if (!pte) {
if (unistimdebug)
ast_verb(0, "%s Not a discovery packet from an unknown source : ignoring\n",
tmpbuf);
return;
}
if (sbuf[0] != 0) { /* Starting with something else than 0x0000 ? */
ast_log(LOG_NOTICE, "Unknown packet received - ignoring\n");
return;
}
if (buf[5] != 2) {
ast_log(LOG_NOTICE, "%s Wrong direction : got 0x%.2x expected 0x02\n", tmpbuf,
buf[5]);
return;
}
seq = ntohs(sbuf[1]);
if (buf[4] == 1) {
ast_mutex_lock(&pte->lock);
if (unistimdebug)
ast_verb(6, "ACK received for packet #0x%.4x\n", seq);
pte->nb_retransmit = 0;
if ((pte->last_seq_ack) + 1 == seq) {
pte->last_seq_ack++;
check_send_queue(pte);
ast_mutex_unlock(&pte->lock);
return;
}
if (pte->last_seq_ack > seq) {
if (pte->last_seq_ack == 0xffff) {
ast_verb(0, "ACK at 0xffff, restarting counter.\n");
pte->last_seq_ack = 0;
} else
ast_log(LOG_NOTICE,
"%s Warning : ACK received for an already ACKed packet : #0x%.4x we are at #0x%.4x\n",
tmpbuf, seq, pte->last_seq_ack);
ast_mutex_unlock(&pte->lock);
return;
}
if (pte->seq_server < seq) {
ast_log(LOG_NOTICE,
"%s Error : ACK received for a non-existent packet : #0x%.4x\n",
tmpbuf, pte->seq_server);
ast_mutex_unlock(&pte->lock);
return;
}
if (unistimdebug)
ast_verb(0, "%s ACK gap : Received ACK #0x%.4x, previous was #0x%.4x\n",
tmpbuf, seq, pte->last_seq_ack);
pte->last_seq_ack = seq;
check_send_queue(pte);
ast_mutex_unlock(&pte->lock);
return;
}
if (buf[4] == 2) {
if (unistimdebug)
ast_verb(0, "Request received\n");
if (pte->seq_phone == seq) {
/* Send ACK */
buf[4] = 1;
buf[5] = 1;
send_raw_client(SIZE_HEADER, buf, addr_from, &pte->sout);
pte->seq_phone++;
process_request(size, buf, pte);
return;
}
if (pte->seq_phone > seq) {
ast_log(LOG_NOTICE,
"%s Warning : received a retransmitted packet : #0x%.4x (we are at #0x%.4x)\n",
tmpbuf, seq, pte->seq_phone);
/* BUG ? pte->device->seq_phone = seq; */
/* Send ACK */
buf[4] = 1;
buf[5] = 1;
send_raw_client(SIZE_HEADER, buf, addr_from, &pte->sout);
return;
}
ast_log(LOG_NOTICE,
"%s Warning : we lost a packet : received #0x%.4x (we are at #0x%.4x)\n",
tmpbuf, seq, pte->seq_phone);
return;
}
if (buf[4] == 0) {
ast_log(LOG_NOTICE, "%s Retransmit request for packet #0x%.4x\n", tmpbuf, seq);
if (pte->last_seq_ack > seq) {
ast_log(LOG_NOTICE,
"%s Error : received a request for an already ACKed packet : #0x%.4x\n",
tmpbuf, pte->last_seq_ack);
return;
}
if (pte->seq_server < seq) {
ast_log(LOG_NOTICE,
"%s Error : received a request for a non-existent packet : #0x%.4x\n",
tmpbuf, pte->seq_server);
return;
}
send_retransmit(pte);
return;
}
ast_log(LOG_NOTICE, "%s Unknown request : got 0x%.2x expected 0x00,0x01 or 0x02\n",
tmpbuf, buf[4]);
return;
}
static struct unistimsession *channel_to_session(struct ast_channel *ast)
{
struct unistim_subchannel *sub;
if (!ast) {
ast_log(LOG_WARNING, "Unistim callback function called with a null channel\n");
return NULL;
}
if (!ast->tech_pvt) {
ast_log(LOG_WARNING, "Unistim callback function called without a tech_pvt\n");
return NULL;
}
sub = ast->tech_pvt;
if (!sub->parent) {
ast_log(LOG_WARNING, "Unistim callback function called without a line\n");
return NULL;
}
if (!sub->parent->parent) {
ast_log(LOG_WARNING, "Unistim callback function called without a device\n");
return NULL;
}
if (!sub->parent->parent->session) {
ast_log(LOG_WARNING, "Unistim callback function called without a session\n");
return NULL;
}
return sub->parent->parent->session;
}
/*--- unistim_call: Initiate UNISTIM call from PBX ---*/
/* used from the dial() application */
static int unistim_call(struct ast_channel *ast, char *dest, int timeout)
{
int res = 0;
struct unistim_subchannel *sub;
struct unistimsession *session;
session = channel_to_session(ast);
if (!session) {
ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
return -1;
}
sub = ast->tech_pvt;
if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
ast_log(LOG_WARNING, "unistim_call called on %s, neither down nor reserved\n",
ast->name);
return -1;
}
if (unistimdebug)
ast_verb(3, "unistim_call(%s)\n", ast->name);
session->state = STATE_RINGING;
Sendicon(TEXT_LINE0, FAV_ICON_NONE, session);
if (sub->owner) {
if (sub->owner->cid.cid_num) {
send_text(TEXT_LINE1, TEXT_NORMAL, session, sub->owner->cid.cid_num);
change_callerid(session, 0, sub->owner->cid.cid_num);
} else {
send_text(TEXT_LINE1, TEXT_NORMAL, session, DEFAULTCALLERID);
change_callerid(session, 0, DEFAULTCALLERID);
}
if (sub->owner->cid.cid_name) {
send_text(TEXT_LINE0, TEXT_NORMAL, session, sub->owner->cid.cid_name);
change_callerid(session, 1, sub->owner->cid.cid_name);
} else {
send_text(TEXT_LINE0, TEXT_NORMAL, session, DEFAULTCALLERNAME);
change_callerid(session, 1, DEFAULTCALLERNAME);
}
}
send_text(TEXT_LINE2, TEXT_NORMAL, session, "is calling you.");
send_text_status(session, "Accept Ignore");
if (sub->ringstyle == -1)
send_ring(session, session->device->ringvolume, session->device->ringstyle);
else {
if (sub->ringvolume == -1)
send_ring(session, session->device->ringvolume, sub->ringstyle);
else
send_ring(session, sub->ringvolume, sub->ringstyle);
}
change_favorite_icon(session, FAV_ICON_SPEAKER_ONHOOK_BLACK + FAV_BLINK_FAST);
ast_setstate(ast, AST_STATE_RINGING);
ast_queue_control(ast, AST_CONTROL_RINGING);
return res;
}
/*--- unistim_hangup: Hangup UNISTIM call */
static int unistim_hangup(struct ast_channel *ast)
{
struct unistim_subchannel *sub;
struct unistim_line *l;
struct unistimsession *s;
s = channel_to_session(ast);
sub = ast->tech_pvt;
if (!s) {
ast_debug(1, "Asked to hangup channel not connected\n");
ast_mutex_lock(&sub->lock);
sub->owner = NULL;
ast->tech_pvt = NULL;
sub->alreadygone = 0;
ast_mutex_unlock(&sub->lock);
if (sub->rtp) {
if (unistimdebug)
ast_verb(0, "Destroying RTP session\n");
ast_rtp_destroy(sub->rtp);
sub->rtp = NULL;
}
return 0;
}
l = sub->parent;
if (unistimdebug)
ast_verb(0, "unistim_hangup(%s) on %s@%s\n", ast->name, l->name, l->parent->name);
if ((l->subs[SUB_THREEWAY]) && (sub->subtype == SUB_REAL)) {
if (unistimdebug)
ast_verb(0, "Real call disconnected while talking to threeway\n");
sub->owner = NULL;
ast->tech_pvt = NULL;
return 0;
}
if ((l->subs[SUB_REAL]->owner) && (sub->subtype == SUB_THREEWAY) &&
(sub->alreadygone == 0)) {
if (unistimdebug)
ast_verb(0, "threeway call disconnected, switching to real call\n");
send_text(TEXT_LINE0, TEXT_NORMAL, s, "Three way call canceled,");
send_text(TEXT_LINE1, TEXT_NORMAL, s, "switching back to");
send_text(TEXT_LINE2, TEXT_NORMAL, s, "previous call.");
send_text_status(s, "Hangup Transf");
ast_moh_stop(ast_bridged_channel(l->subs[SUB_REAL]->owner));
swap_subs(l, SUB_THREEWAY, SUB_REAL);
l->parent->moh = 0;
ast_mutex_lock(&sub->lock);
sub->owner = NULL;
ast->tech_pvt = NULL;
ast_mutex_unlock(&sub->lock);
unalloc_sub(l, SUB_THREEWAY);
return 0;
}
ast_mutex_lock(&sub->lock);
sub->owner = NULL;
ast->tech_pvt = NULL;
sub->alreadygone = 0;
ast_mutex_unlock(&sub->lock);
if (!s) {
if (unistimdebug)
ast_verb(0, "Asked to hangup channel not connected (no session)\n");
if (sub->rtp) {
if (unistimdebug)
ast_verb(0, "Destroying RTP session\n");
ast_rtp_destroy(sub->rtp);
sub->rtp = NULL;
}
return 0;
}
if (sub->subtype == SUB_REAL) {
/* Stop the silence generator */
if (s->device->silence_generator) {
if (unistimdebug)
ast_verb(0, "Stopping silence generator\n");
if (sub->owner)
ast_channel_stop_silence_generator(sub->owner,
s->device->silence_generator);
else
ast_log(LOG_WARNING,
"Trying to stop silence generator on a null channel !\n");
s->device->silence_generator = NULL;
}
}
l->parent->moh = 0;
send_no_ring(s);
send_end_call(s);
if (sub->rtp) {
if (unistimdebug)
ast_verb(0, "Destroying RTP session\n");
ast_rtp_destroy(sub->rtp);
sub->rtp = NULL;
} else if (unistimdebug)
ast_verb(0, "No RTP session to destroy\n");
if (l->subs[SUB_THREEWAY]) {
if (unistimdebug)
ast_verb(0, "Cleaning other subchannels\n");
unalloc_sub(l, SUB_THREEWAY);
}
if (s->state == STATE_RINGING)
cancel_dial(s);
else if (s->state == STATE_CALL)
close_call(s);
return 0;
}
/*--- unistim_answer: Answer UNISTIM call */
static int unistim_answer(struct ast_channel *ast)
{
int res = 0;
struct unistim_subchannel *sub;
struct unistim_line *l;
struct unistimsession *s;
s = channel_to_session(ast);
if (!s) {
ast_log(LOG_WARNING, "unistim_answer on a disconnected device ?\n");
return -1;
}
sub = ast->tech_pvt;
l = sub->parent;
if ((!sub->rtp) && (!l->subs[SUB_THREEWAY]))
start_rtp(sub);
if (unistimdebug)
ast_verb(0, "unistim_answer(%s) on %s@%s-%d\n", ast->name, l->name,
l->parent->name, sub->subtype);
send_text(TEXT_LINE2, TEXT_NORMAL, l->parent->session, "is now on-line");
if (l->subs[SUB_THREEWAY])
send_text_status(l->parent->session, "Transf Cancel");
else
send_text_status(l->parent->session, "Hangup Transf");
send_start_timer(l->parent->session);
if (ast->_state != AST_STATE_UP)
ast_setstate(ast, AST_STATE_UP);
return res;
}
/*--- unistimsock_read: Read data from UNISTIM socket ---*/
/* Successful messages is connected to UNISTIM call and forwarded to parsing() */
static int unistimsock_read(int *id, int fd, short events, void *ignore)
{
struct sockaddr_in addr_from = { 0, };
struct unistimsession *cur = NULL;
int found = 0;
int tmp = 0;
int dw_num_bytes_rcvd;
#ifdef DUMP_PACKET
int dw_num_bytes_rcvdd;
char iabuf[INET_ADDRSTRLEN];
#endif
dw_num_bytes_rcvd =
recvfrom(unistimsock, buff, SIZE_PAGE, 0, (struct sockaddr *) &addr_from,
&size_addr_from);
if (dw_num_bytes_rcvd == -1) {
if (errno == EAGAIN)
ast_log(LOG_NOTICE, "UNISTIM: Received packet with bad UDP checksum\n");
else if (errno != ECONNREFUSED)
ast_log(LOG_WARNING, "Recv error %d (%s)\n", errno, strerror(errno));
return 1;
}
/* Looking in the phone list if we already have a registration for him */
ast_mutex_lock(&sessionlock);
cur = sessions;
while (cur) {
if (cur->sin.sin_addr.s_addr == addr_from.sin_addr.s_addr) {
found = 1;
break;
}
tmp++;
cur = cur->next;
}
ast_mutex_unlock(&sessionlock);
#ifdef DUMP_PACKET
if (unistimdebug)
ast_verb(0, "\n*** Dump %d bytes from %s - phone_table[%d] ***\n",
dw_num_bytes_rcvd, ast_inet_ntoa(addr_from.sin_addr), tmp);
for (dw_num_bytes_rcvdd = 0; dw_num_bytes_rcvdd < dw_num_bytes_rcvd;
dw_num_bytes_rcvdd++)
ast_verb(0, "%.2x ", (unsigned char) buff[dw_num_bytes_rcvdd]);
ast_verb(0, "\n******************************************\n");
#endif
if (!found) {
if (unistimdebug)
ast_verb(0, "Received a packet from an unknown source\n");
parsing(dw_num_bytes_rcvd, buff, NULL, (struct sockaddr_in *) &addr_from);
} else
parsing(dw_num_bytes_rcvd, buff, cur, (struct sockaddr_in *) &addr_from);
return 1;
}
static struct ast_frame *unistim_rtp_read(const struct ast_channel *ast,
const struct unistim_subchannel *sub)
{
/* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
struct ast_frame *f;
if (!ast) {
ast_log(LOG_WARNING, "Channel NULL while reading\n");
return &ast_null_frame;
}
if (!sub->rtp) {
ast_log(LOG_WARNING, "RTP handle NULL while reading on subchannel %d\n",
sub->subtype);
return &ast_null_frame;
}
switch (ast->fdno) {
case 0:
f = ast_rtp_read(sub->rtp); /* RTP Audio */
break;
case 1:
f = ast_rtcp_read(sub->rtp); /* RTCP Control Channel */
break;
default:
f = &ast_null_frame;
}
if (sub->owner) {
/* We already hold the channel lock */
if (f->frametype == AST_FRAME_VOICE) {
if (f->subclass != sub->owner->nativeformats) {
ast_debug(1,
"Oooh, format changed from %s (%d) to %s (%d)\n",
ast_getformatname(sub->owner->nativeformats),
sub->owner->nativeformats, ast_getformatname(f->subclass),
f->subclass);
sub->owner->nativeformats = f->subclass;
ast_set_read_format(sub->owner, sub->owner->readformat);
ast_set_write_format(sub->owner, sub->owner->writeformat);
}
}
}
return f;
}
static struct ast_frame *unistim_read(struct ast_channel *ast)
{
struct ast_frame *fr;
struct unistim_subchannel *sub = ast->tech_pvt;
ast_mutex_lock(&sub->lock);
fr = unistim_rtp_read(ast, sub);
ast_mutex_unlock(&sub->lock);
return fr;
}
static int unistim_write(struct ast_channel *ast, struct ast_frame *frame)
{
struct unistim_subchannel *sub = ast->tech_pvt;
int res = 0;
if (frame->frametype != AST_FRAME_VOICE) {
if (frame->frametype == AST_FRAME_IMAGE)
return 0;
else {
ast_log(LOG_WARNING, "Can't send %d type frames with unistim_write\n",
frame->frametype);
return 0;
}
} else {
if (!(frame->subclass & ast->nativeformats)) {
ast_log(LOG_WARNING,
"Asked to transmit frame type %s (%d), while native formats is %s (%d) (read/write = %s (%d)/%d)\n",
ast_getformatname(frame->subclass), frame->subclass,
ast_getformatname(ast->nativeformats), ast->nativeformats,
ast_getformatname(ast->readformat), ast->readformat,
ast->writeformat);
return -1;
}
}
if (sub) {
ast_mutex_lock(&sub->lock);
if (sub->rtp) {
res = ast_rtp_write(sub->rtp, frame);
}
ast_mutex_unlock(&sub->lock);
}
return res;
}
static int unistim_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
{
struct unistim_subchannel *p = newchan->tech_pvt;
struct unistim_line *l = p->parent;
ast_mutex_lock(&p->lock);
ast_debug(1, "New owner for channel USTM/%s@%s-%d is %s\n", l->name,
l->parent->name, p->subtype, newchan->name);
if (p->owner != oldchan) {
ast_log(LOG_WARNING, "old channel wasn't %s (%p) but was %s (%p)\n",
oldchan->name, oldchan, p->owner->name, p->owner);
return -1;
}
p->owner = newchan;
ast_mutex_unlock(&p->lock);
return 0;
}
static char *control2str(int ind)
{
switch (ind) {
case AST_CONTROL_HANGUP:
return "Other end has hungup";
case AST_CONTROL_RING:
return "Local ring";
case AST_CONTROL_RINGING:
return "Remote end is ringing";
case AST_CONTROL_ANSWER:
return "Remote end has answered";
case AST_CONTROL_BUSY:
return "Remote end is busy";
case AST_CONTROL_TAKEOFFHOOK:
return "Make it go off hook";
case AST_CONTROL_OFFHOOK:
return "Line is off hook";
case AST_CONTROL_CONGESTION:
return "Congestion (circuits busy)";
case AST_CONTROL_FLASH:
return "Flash hook";
case AST_CONTROL_WINK:
return "Wink";
case AST_CONTROL_OPTION:
return "Set a low-level option";
case AST_CONTROL_RADIO_KEY:
return "Key Radio";
case AST_CONTROL_RADIO_UNKEY:
return "Un-Key Radio";
case -1:
return "Stop tone";
}
return "UNKNOWN";
}
static void in_band_indication(struct ast_channel *ast, const struct tone_zone *tz,
const char *indication)
{
const struct tone_zone_sound *ts = NULL;
ts = ast_get_indication_tone(tz, indication);
if (ts && ts->data[0])
ast_playtones_start(ast, 0, ts->data, 1);
else
ast_log(LOG_WARNING, "Unable to get indication tone for %s\n", indication);
}
static int unistim_indicate(struct ast_channel *ast, int ind, const void *data,
size_t datalen)
{
struct unistim_subchannel *sub;
struct unistim_line *l;
struct unistimsession *s;
if (unistimdebug) {
ast_verb(3, "Asked to indicate '%s' condition on channel %s\n",
control2str(ind), ast->name);
}
s = channel_to_session(ast);
if (!s)
return -1;
sub = ast->tech_pvt;
l = sub->parent;
switch (ind) {
case AST_CONTROL_RINGING:
if (ast->_state != AST_STATE_UP) {
send_text(TEXT_LINE2, TEXT_NORMAL, s, "Ringing...");
in_band_indication(ast, l->parent->tz, "ring");
s->device->missed_call = -1;
break;
}
return -1;
case AST_CONTROL_BUSY:
if (ast->_state != AST_STATE_UP) {
sub->alreadygone = 1;
send_text(TEXT_LINE2, TEXT_NORMAL, s, "Busy");
in_band_indication(ast, l->parent->tz, "busy");
s->device->missed_call = -1;
break;
}
return -1;
case AST_CONTROL_CONGESTION:
if (ast->_state != AST_STATE_UP) {
sub->alreadygone = 1;
send_text(TEXT_LINE2, TEXT_NORMAL, s, "Congestion");
in_band_indication(ast, l->parent->tz, "congestion");
s->device->missed_call = -1;
break;
}
return -1;
case AST_CONTROL_HOLD:
ast_moh_start(ast, data, NULL);
break;
case AST_CONTROL_UNHOLD:
ast_moh_stop(ast);
break;
case AST_CONTROL_PROGRESS:
case AST_CONTROL_SRCUPDATE:
break;
case -1:
ast_playtones_stop(ast);
s->device->missed_call = 0;
break;
case AST_CONTROL_PROCEEDING:
break;
default:
ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
return -1;
}
return 0;
}
static struct unistim_subchannel *find_subchannel_by_name(const char *dest)
{
struct unistim_line *l;
struct unistim_device *d;
char line[256];
char *at;
char *device;
ast_copy_string(line, dest, sizeof(line));
at = strchr(line, '@');
if (!at) {
ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
return NULL;
}
*at = '\0';
at++;
device = at;
ast_mutex_lock(&devicelock);
d = devices;
at = strchr(device, '/'); /* Extra options ? */
if (at)
*at = '\0';
while (d) {
if (!strcasecmp(d->name, device)) {
if (unistimdebug)
ast_verb(0, "Found device: %s\n", d->name);
/* Found the device */
l = d->lines;
while (l) {
/* Search for the right line */
if (!strcasecmp(l->name, line)) {
l->subs[SUB_REAL]->ringvolume = -1;
l->subs[SUB_REAL]->ringstyle = -1;
if (at) { /* Other options ? */
at++; /* Skip slash */
if (*at == 'r') { /* distinctive ring */
at++;
if ((*at < '0') || (*at > '7')) /* ring style */
ast_log(LOG_WARNING, "Invalid ring selection (%s)", at);
else {
char ring_volume = -1;
char ring_style = *at - '0';
at++;
if ((*at >= '0') && (*at <= '3')) /* ring volume */
ring_volume = *at - '0';
if (unistimdebug)
ast_verb(0, "Distinctive ring : style #%d volume %d\n",
ring_style, ring_volume);
l->subs[SUB_REAL]->ringvolume = ring_volume;
l->subs[SUB_REAL]->ringstyle = ring_style;
}
}
}
ast_mutex_unlock(&devicelock);
return l->subs[SUB_REAL];
}
l = l->next;
}
}
d = d->next;
}
/* Device not found */
ast_mutex_unlock(&devicelock);
return NULL;
}
static int unistim_senddigit_begin(struct ast_channel *ast, char digit)
{
struct unistimsession *pte = channel_to_session(ast);
if (!pte)
return -1;
return unistim_do_senddigit(pte, digit);
}
static int unistim_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
{
struct unistimsession *pte = channel_to_session(ast);
struct ast_frame f = { 0, };
struct unistim_subchannel *sub;
sub = pte->device->lines->subs[SUB_REAL];
if (!sub->owner || sub->alreadygone) {
ast_log(LOG_WARNING, "Unable to find subchannel in dtmf senddigit_end\n");
return -1;
}
if (unistimdebug)
ast_verb(0, "Send Digit off %c\n", digit);
if (!pte)
return -1;
send_tone(pte, 0, 0);
f.frametype = AST_FRAME_DTMF;
f.subclass = digit;
f.src = "unistim";
ast_queue_frame(sub->owner, &f);
return 0;
}
/*--- unistim_sendtext: Display a text on the phone screen ---*/
/* Called from PBX core text message functions */
static int unistim_sendtext(struct ast_channel *ast, const char *text)
{
struct unistimsession *pte = channel_to_session(ast);
int size;
char tmp[TEXT_LENGTH_MAX + 1];
if (unistimdebug)
ast_verb(0, "unistim_sendtext called\n");
if (!text) {
ast_log(LOG_WARNING, "unistim_sendtext called with a null text\n");
return 1;
}
size = strlen(text);
if (text[0] == '@') {
int pos = 0, i = 1, tok = 0, sz = 0;
char label[11];
char number[16];
char icon = '\0';
char cur = '\0';
memset(label, 0, 11);
memset(number, 0, 16);
while (text[i]) {
cur = text[i++];
switch (tok) {
case 0:
if ((cur < '0') && (cur > '5')) {
ast_log(LOG_WARNING,
"sendtext failed : position must be a number beetween 0 and 5\n");
return 1;
}
pos = cur - '0';
tok = 1;
continue;
case 1:
if (cur != '@') {
ast_log(LOG_WARNING, "sendtext failed : invalid position\n");
return 1;
}
tok = 2;
continue;
case 2:
if ((cur < '3') && (cur > '6')) {
ast_log(LOG_WARNING,
"sendtext failed : icon must be a number beetween 32 and 63 (first digit invalid)\n");
return 1;
}
icon = (cur - '0') * 10;
tok = 3;
continue;
case 3:
if ((cur < '0') && (cur > '9')) {
ast_log(LOG_WARNING,
"sendtext failed : icon must be a number beetween 32 and 63 (second digit invalid)\n");
return 1;
}
icon += (cur - '0');
tok = 4;
continue;
case 4:
if (cur != '@') {
ast_log(LOG_WARNING,
"sendtext failed : icon must be a number beetween 32 and 63 (too many digits)\n");
return 1;
}
tok = 5;
continue;
case 5:
if (cur == '@') {
tok = 6;
sz = 0;
continue;
}
if (sz > 10)
continue;
label[sz] = cur;
sz++;
continue;
case 6:
if (sz > 15) {
ast_log(LOG_WARNING,
"sendtext failed : extension too long = %d (15 car max)\n",
sz);
return 1;
}
number[sz] = cur;
sz++;
continue;
}
}
if (tok != 6) {
ast_log(LOG_WARNING, "sendtext failed : incomplet command\n");
return 1;
}
if (!pte->device) {
ast_log(LOG_WARNING, "sendtext failed : no device ?\n");
return 1;
}
strcpy(pte->device->softkeylabel[pos], label);
strcpy(pte->device->softkeynumber[pos], number);
pte->device->softkeyicon[pos] = icon;
send_favorite(pos, icon, pte, label);
return 0;
}
if (size <= TEXT_LENGTH_MAX * 2) {
send_text(TEXT_LINE0, TEXT_NORMAL, pte, "Message :");
send_text(TEXT_LINE1, TEXT_NORMAL, pte, text);
if (size <= TEXT_LENGTH_MAX) {
send_text(TEXT_LINE2, TEXT_NORMAL, pte, "");
return 0;
}
memcpy(tmp, text + TEXT_LENGTH_MAX, TEXT_LENGTH_MAX);
tmp[sizeof(tmp) - 1] = '\0';
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmp);
return 0;
}
send_text(TEXT_LINE0, TEXT_NORMAL, pte, text);
memcpy(tmp, text + TEXT_LENGTH_MAX, TEXT_LENGTH_MAX);
tmp[sizeof(tmp) - 1] = '\0';
send_text(TEXT_LINE1, TEXT_NORMAL, pte, tmp);
memcpy(tmp, text + TEXT_LENGTH_MAX * 2, TEXT_LENGTH_MAX);
tmp[sizeof(tmp) - 1] = '\0';
send_text(TEXT_LINE2, TEXT_NORMAL, pte, tmp);
return 0;
}
/*--- unistim_send_mwi_to_peer: Send message waiting indication ---*/
static int unistim_send_mwi_to_peer(struct unistimsession *s, unsigned int tick)
{
struct ast_event *event;
int new, old;
char *mailbox, *context;
struct unistim_line *peer = s->device->lines;
context = mailbox = ast_strdupa(peer->mailbox);
strsep(&context, "@");
if (ast_strlen_zero(context))
context = "default";
event = ast_event_get_cached(AST_EVENT_MWI,
AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mailbox,
AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, context,
AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS,
AST_EVENT_IE_OLDMSGS, AST_EVENT_IE_PLTYPE_EXISTS,
AST_EVENT_IE_END);
if (event) {
new = ast_event_get_ie_uint(event, AST_EVENT_IE_NEWMSGS);
old = ast_event_get_ie_uint(event, AST_EVENT_IE_OLDMSGS);
ast_event_destroy(event);
} else /* Fall back on checking the mailbox directly */
ast_app_inboxcount(peer->mailbox, &new, &old);
peer->nextmsgcheck = tick + TIMER_MWI;
/* Return now if it's the same thing we told them last time */
if (((new << 8) | (old)) == peer->lastmsgssent)
return 0;
peer->lastmsgssent = ((new << 8) | (old));
if (new == 0)
send_led_update(s, 0);
else
send_led_update(s, 1);
return 0;
}
/*--- unistim_new: Initiate a call in the UNISTIM channel */
/* called from unistim_request (calls from the pbx ) */
static struct ast_channel *unistim_new(struct unistim_subchannel *sub, int state)
{
struct ast_channel *tmp;
struct unistim_line *l;
int fmt;
if (!sub) {
ast_log(LOG_WARNING, "subchannel null in unistim_new\n");
return NULL;
}
if (!sub->parent) {
ast_log(LOG_WARNING, "no line for subchannel %p\n", sub);
return NULL;
}
l = sub->parent;
tmp = ast_channel_alloc(1, state, l->cid_num, NULL, l->accountcode, l->exten,
l->context, l->amaflags, "%s-%08x", l->fullname, (int) (long) sub);
if (unistimdebug)
ast_verb(0, "unistim_new sub=%d (%p) chan=%p\n", sub->subtype, sub, tmp);
if (!tmp) {
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
return NULL;
}
tmp->nativeformats = l->capability;
if (!tmp->nativeformats)
tmp->nativeformats = CAPABILITY;
fmt = ast_best_codec(tmp->nativeformats);
if (unistimdebug)
ast_verb(0, "Best codec = %d from nativeformats %d (line cap=%d global=%d)\n", fmt,
tmp->nativeformats, l->capability, CAPABILITY);
ast_string_field_build(tmp, name, "USTM/%s@%s-%d", l->name, l->parent->name,
sub->subtype);
if ((sub->rtp) && (sub->subtype == 0)) {
if (unistimdebug)
ast_verb(0, "New unistim channel with a previous rtp handle ?\n");
tmp->fds[0] = ast_rtp_fd(sub->rtp);
tmp->fds[1] = ast_rtcp_fd(sub->rtp);
}
if (sub->rtp)
ast_jb_configure(tmp, &global_jbconf);
/* tmp->type = type; */
ast_setstate(tmp, state);
if (state == AST_STATE_RING)
tmp->rings = 1;
tmp->adsicpe = AST_ADSI_UNAVAILABLE;
tmp->writeformat = fmt;
tmp->rawwriteformat = fmt;
tmp->readformat = fmt;
tmp->rawreadformat = fmt;
tmp->tech_pvt = sub;
tmp->tech = &unistim_tech;
if (!ast_strlen_zero(l->language))
ast_string_field_set(tmp, language, l->language);
sub->owner = tmp;
ast_mutex_lock(&usecnt_lock);
usecnt++;
ast_mutex_unlock(&usecnt_lock);
ast_update_use_count();
tmp->callgroup = l->callgroup;
tmp->pickupgroup = l->pickupgroup;
ast_string_field_set(tmp, call_forward, l->parent->call_forward);
if (!ast_strlen_zero(l->cid_num)) {
char *name, *loc, *instr;
instr = ast_strdup(l->cid_num);
if (instr) {
ast_callerid_parse(instr, &name, &loc);
tmp->cid.cid_num = ast_strdup(loc);
tmp->cid.cid_name = ast_strdup(name);
ast_free(instr);
}
}
tmp->priority = 1;
if (state != AST_STATE_DOWN) {
if (unistimdebug)
ast_verb(0, "Starting pbx in unistim_new\n");
if (ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
ast_hangup(tmp);
tmp = NULL;
}
}
return tmp;
}
static void *do_monitor(void *data)
{
struct unistimsession *cur = NULL;
unsigned int dw_timeout = 0;
unsigned int tick;
int res;
int reloading;
/* Add an I/O event to our UDP socket */
if (unistimsock > -1)
ast_io_add(io, unistimsock, unistimsock_read, AST_IO_IN, NULL);
/* This thread monitors our UDP socket and timers */
for (;;) {
/* This loop is executed at least every IDLE_WAITus (1s) or every time a packet is received */
/* Looking for the smallest time-out value */
tick = get_tick_count();
dw_timeout = UINT_MAX;
ast_mutex_lock(&sessionlock);
cur = sessions;
DEBUG_TIMER("checking timeout for session %p with tick = %u\n", cur, tick);
while (cur) {
DEBUG_TIMER("checking timeout for session %p timeout = %u\n", cur,
cur->timeout);
/* Check if we have miss something */
if (cur->timeout <= tick) {
DEBUG_TIMER("Event for session %p\n", cur);
/* If the queue is empty, send a ping */
if (cur->last_buf_available == 0)
send_ping(cur);
else {
if (send_retransmit(cur)) {
DEBUG_TIMER("The chained link was modified, restarting...\n");
cur = sessions;
dw_timeout = UINT_MAX;
continue;
}
}
}
if (dw_timeout > cur->timeout - tick)
dw_timeout = cur->timeout - tick;
/* Checking if the phone is logged on for a new MWI */
if (cur->device) {
if ((!ast_strlen_zero(cur->device->lines->mailbox)) &&
((tick >= cur->device->lines->nextmsgcheck))) {
DEBUG_TIMER("Checking mailbox for MWI\n");
unistim_send_mwi_to_peer(cur, tick);
break;
}
}
cur = cur->next;
}
ast_mutex_unlock(&sessionlock);
DEBUG_TIMER("Waiting for %dus\n", dw_timeout);
res = dw_timeout;
/* We should not wait more than IDLE_WAIT */
if ((res < 0) || (res > IDLE_WAIT))
res = IDLE_WAIT;
/* Wait for UDP messages for a maximum of res us */
res = ast_io_wait(io, res); /* This function will call unistimsock_read if a packet is received */
/* Check for a reload request */
ast_mutex_lock(&unistim_reload_lock);
reloading = unistim_reloading;
unistim_reloading = 0;
ast_mutex_unlock(&unistim_reload_lock);
if (reloading) {
ast_verb(1, "Reloading unistim.conf...\n");
reload_config();
}
pthread_testcancel();
}
/* Never reached */
return NULL;
}
/*--- restart_monitor: Start the channel monitor thread ---*/
static int restart_monitor(void)
{
pthread_attr_t attr;
/* If we're supposed to be stopped -- stay stopped */
if (monitor_thread == AST_PTHREADT_STOP)
return 0;
if (ast_mutex_lock(&monlock)) {
ast_log(LOG_WARNING, "Unable to lock monitor\n");
return -1;
}
if (monitor_thread == pthread_self()) {
ast_mutex_unlock(&monlock);
ast_log(LOG_WARNING, "Cannot kill myself\n");
return -1;
}
if (monitor_thread != AST_PTHREADT_NULL) {
/* Wake up the thread */
pthread_kill(monitor_thread, SIGURG);
} else {
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
/* Start a new monitor */
if (ast_pthread_create(&monitor_thread, &attr, do_monitor, NULL) < 0) {
ast_mutex_unlock(&monlock);
ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
return -1;
}
}
ast_mutex_unlock(&monlock);
return 0;
}
/*--- unistim_request: PBX interface function ---*/
/* UNISTIM calls initiated by the PBX arrive here */
static struct ast_channel *unistim_request(const char *type, int format, void *data,
int *cause)
{
int oldformat;
struct unistim_subchannel *sub;
struct ast_channel *tmpc = NULL;
char tmp[256];
char *dest = data;
oldformat = format;
format &= CAPABILITY;
ast_log(LOG_NOTICE,
"Asked to get a channel of format %s while capability is %d result : %s (%d) \n",
ast_getformatname(oldformat), CAPABILITY, ast_getformatname(format), format);
if (!format) {
ast_log(LOG_NOTICE,
"Asked to get a channel of unsupported format %s while capability is %s\n",
ast_getformatname(oldformat), ast_getformatname(CAPABILITY));
return NULL;
}
ast_copy_string(tmp, dest, sizeof(tmp));
if (ast_strlen_zero(tmp)) {
ast_log(LOG_NOTICE, "Unistim channels require a device\n");
return NULL;
}
sub = find_subchannel_by_name(tmp);
if (!sub) {
ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
*cause = AST_CAUSE_CONGESTION;
return NULL;
}
ast_verb(3, "unistim_request(%s)\n", tmp);
/* Busy ? */
if (sub->owner) {
if (unistimdebug)
ast_verb(0, "Can't create channel : Busy !\n");
*cause = AST_CAUSE_BUSY;
return NULL;
}
sub->parent->capability = format;
tmpc = unistim_new(sub, AST_STATE_DOWN);
if (!tmpc)
ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
if (unistimdebug)
ast_verb(0, "unistim_request owner = %p\n", sub->owner);
restart_monitor();
/* and finish */
return tmpc;
}
static char *unistim_info(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct unistim_device *device = devices;
struct unistim_line *line;
struct unistim_subchannel *sub;
struct unistimsession *s;
int i;
struct ast_channel *tmp;
switch (cmd) {
case CLI_INIT:
e->command = "unistim info";
e->usage =
"Usage: unistim info\n"
" Dump internal structures.\n";
return NULL;
case CLI_GENERATE:
return NULL; /* no completion */
}
if (a->argc != e->args)
return CLI_SHOWUSAGE;
ast_cli(a->fd, "Dumping internal structures :\ndevice\n->line\n-->sub\n");
while (device) {
ast_cli(a->fd, "\nname=%s id=%s line=%p ha=%p sess=%p device=%p\n",
device->name, device->id, device->lines, device->ha, device->session,
device);
line = device->lines;
while (line) {
ast_cli(a->fd,
"->name=%s fullname=%s exten=%s callid=%s cap=%d device=%p line=%p\n",
line->name, line->fullname, line->exten, line->cid_num,
line->capability, line->parent, line);
for (i = 0; i < MAX_SUBS; i++) {
sub = line->subs[i];
if (!sub)
continue;
if (!sub->owner)
tmp = (void *) -42;
else
tmp = sub->owner->_bridge;
if (sub->subtype != i)
ast_cli(a->fd, "Warning ! subchannel->subs[%d] have a subtype=%d\n", i,
sub->subtype);
ast_cli(a->fd,
"-->subtype=%d chan=%p rtp=%p bridge=%p line=%p alreadygone=%d\n",
sub->subtype, sub->owner, sub->rtp, tmp, sub->parent,
sub->alreadygone);
}
line = line->next;
}
device = device->next;
}
ast_cli(a->fd, "\nSessions:\n");
ast_mutex_lock(&sessionlock);
s = sessions;
while (s) {
ast_cli(a->fd,
"sin=%s timeout=%u state=%d macaddr=%s device=%p session=%p\n",
ast_inet_ntoa(s->sin.sin_addr), s->timeout, s->state, s->macaddr,
s->device, s);
s = s->next;
}
ast_mutex_unlock(&sessionlock);
return CLI_SUCCESS;
}
static char *unistim_sp(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
BUFFSEND;
struct unistim_subchannel *sub;
int i, j = 0, len;
unsigned char c, cc;
char tmp[256];
switch (cmd) {
case CLI_INIT:
e->command = "unistim sp";
e->usage =
"Usage: unistim sp USTM/line@name hexa\n"
" unistim sp USTM/1000@hans 19040004\n";
return NULL;
case CLI_GENERATE:
return NULL; /* no completion */
}
if (a->argc < 4)
return CLI_SHOWUSAGE;
if (strlen(a->argv[2]) < 9)
return CLI_SHOWUSAGE;
len = strlen(a->argv[3]);
if (len % 2)
return CLI_SHOWUSAGE;
ast_copy_string(tmp, a->argv[2] + 5, sizeof(tmp));
sub = find_subchannel_by_name(tmp);
if (!sub) {
ast_cli(a->fd, "Can't find '%s'\n", tmp);
return CLI_SUCCESS;
}
if (!sub->parent->parent->session) {
ast_cli(a->fd, "'%s' is not connected\n", tmp);
return CLI_SUCCESS;
}
ast_cli(a->fd, "Sending '%s' to %s (%p)\n", a->argv[3], tmp, sub->parent->parent->session);
for (i = 0; i < len; i++) {
c = a->argv[3][i];
if (c >= 'a')
c -= 'a' - 10;
else
c -= '0';
i++;
cc = a->argv[3][i];
if (cc >= 'a')
cc -= 'a' - 10;
else
cc -= '0';
tmp[j++] = (c << 4) | cc;
}
memcpy(buffsend + SIZE_HEADER, tmp, j);
send_client(SIZE_HEADER + j, buffsend, sub->parent->parent->session);
return CLI_SUCCESS;
}
static char *unistim_do_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "unistim set debug {on|off}";
e->usage =
"Usage: unistim set debug\n"
" Display debug messages.\n";
return NULL;
case CLI_GENERATE:
return NULL; /* no completion */
}
if (a->argc != e->args)
return CLI_SHOWUSAGE;
if (!strcasecmp(a->argv[3], "on")) {
unistimdebug = 1;
ast_cli(a->fd, "UNISTIM Debugging Enabled\n");
} else if (!strcasecmp(a->argv[3], "off")) {
unistimdebug = 0;
ast_cli(a->fd, "UNISTIM Debugging Disabled\n");
} else
return CLI_SHOWUSAGE;
return CLI_SUCCESS;
}
/*! \brief --- unistim_reload: Force reload of module from cli ---
* Runs in the asterisk main thread, so don't do anything useful
* but setting a flag and waiting for do_monitor to do the job
* in our thread */
static char *unistim_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "unistim reload";
e->usage =
"Usage: unistim reload\n"
" Reloads UNISTIM configuration from unistim.conf\n";
return NULL;
case CLI_GENERATE:
return NULL; /* no completion */
}
if (e && a && a->argc != e->args)
return CLI_SHOWUSAGE;
if (unistimdebug)
ast_verb(0, "reload unistim\n");
ast_mutex_lock(&unistim_reload_lock);
if (!unistim_reloading)
unistim_reloading = 1;
ast_mutex_unlock(&unistim_reload_lock);
restart_monitor();
return CLI_SUCCESS;
}
static struct ast_cli_entry unistim_cli[] = {
AST_CLI_DEFINE(unistim_reload, "Reload UNISTIM configuration"),
AST_CLI_DEFINE(unistim_info, "Show UNISTIM info"),
AST_CLI_DEFINE(unistim_sp, "Send packet (for reverse engineering)"),
AST_CLI_DEFINE(unistim_do_debug, "Toggle UNITSTIM debugging"),
};
static void unquote(char *out, const char *src, int maxlen)
{
int len = strlen(src);
if (!len)
return;
if ((len > 1) && src[0] == '\"') {
/* This is a quoted string */
src++;
/* Don't take more than what's there */
len--;
if (maxlen > len - 1)
maxlen = len - 1;
memcpy(out, src, maxlen);
((char *) out)[maxlen] = '\0';
} else
memcpy(out, src, maxlen);
return;
}
static int ParseBookmark(const char *text, struct unistim_device *d)
{
char line[256];
char *at;
char *number;
char *icon;
int p;
int len = strlen(text);
ast_copy_string(line, text, sizeof(line));
/* Position specified ? */
if ((len > 2) && (line[1] == '@')) {
p = line[0];
if ((p >= '0') && (p <= '5'))
p -= '0';
else {
ast_log(LOG_WARNING,
"Invalid position for bookmark : must be between 0 and 5\n");
return 0;
}
if (d->softkeyicon[p] != 0) {
ast_log(LOG_WARNING, "Invalid position %d for bookmark : already used\n:", p);
return 0;
}
memmove(line, line + 2, sizeof(line));
} else {
/* No position specified, looking for a free slot */
for (p = 0; p <= 5; p++) {
if (!d->softkeyicon[p])
break;
}
if (p > 5) {
ast_log(LOG_WARNING, "No more free bookmark position\n");
return 0;
}
}
at = strchr(line, '@');
if (!at) {
ast_log(LOG_NOTICE, "Bookmark entry '%s' has no @ (at) sign!\n", text);
return 0;
}
*at = '\0';
at++;
number = at;
at = strchr(at, '@');
if (ast_strlen_zero(number)) {
ast_log(LOG_NOTICE, "Bookmark entry '%s' has no number\n", text);
return 0;
}
if (ast_strlen_zero(line)) {
ast_log(LOG_NOTICE, "Bookmark entry '%s' has no description\n", text);
return 0;
}
at = strchr(number, '@');
if (!at)
d->softkeyicon[p] = FAV_ICON_SHARP; /* default icon */
else {
*at = '\0';
at++;
icon = at;
if (ast_strlen_zero(icon)) {
ast_log(LOG_NOTICE, "Bookmark entry '%s' has no icon value\n", text);
return 0;
}
if (strncmp(icon, "USTM/", 5))
d->softkeyicon[p] = atoi(icon);
else {
d->softkeyicon[p] = 1;
ast_copy_string(d->softkeydevice[p], icon + 5, sizeof(d->softkeydevice[p]));
}
}
ast_copy_string(d->softkeylabel[p], line, sizeof(d->softkeylabel[p]));
ast_copy_string(d->softkeynumber[p], number, sizeof(d->softkeynumber[p]));
if (unistimdebug)
ast_verb(0, "New bookmark at pos %d label='%s' number='%s' icon=%x\n",
p, d->softkeylabel[p], d->softkeynumber[p], d->softkeyicon[p]);
return 1;
}
/* Looking for dynamic icons entries in bookmarks */
static void finish_bookmark(void)
{
struct unistim_device *d = devices;
int i;
while (d) {
for (i = 0; i < 6; i++) {
if (d->softkeyicon[i] == 1) { /* Something for us */
struct unistim_device *d2 = devices;
while (d2) {
if (!strcmp(d->softkeydevice[i], d2->name)) {
d->sp[i] = d2;
d->softkeyicon[i] = 0;
break;
}
d2 = d2->next;
}
if (d->sp[i] == NULL)
ast_log(LOG_NOTICE, "Bookmark entry with device %s not found\n",
d->softkeydevice[i]);
}
}
d = d->next;
}
}
static struct unistim_device *build_device(const char *cat, const struct ast_variable *v)
{
struct unistim_device *d;
struct unistim_line *l = NULL;
int create = 1;
int nbsoftkey, dateformat, timeformat, callhistory;
char linelabel[AST_MAX_EXTENSION];
char context[AST_MAX_EXTENSION];
char ringvolume, ringstyle;
/* First, we need to know if we already have this name in our list */
/* Get a lock for the device chained list */
ast_mutex_lock(&devicelock);
d = devices;
while (d) {
if (!strcmp(d->name, cat)) {
/* Yep, we alreay have this one */
if (unistimsock < 0) {
/* It's a dupe */
ast_log(LOG_WARNING, "Duplicate entry found (%s), ignoring.\n", cat);
ast_mutex_unlock(&devicelock);
return NULL;
}
/* we're reloading right now */
create = 0;
l = d->lines;
break;
}
d = d->next;
}
ast_mutex_unlock(&devicelock);
if (create) {
if (!(d = ast_calloc(1, sizeof(*d))))
return NULL;
if (!(l = ast_calloc(1, sizeof(*l)))) {
ast_free(d);
return NULL;
}
ast_copy_string(d->name, cat, sizeof(d->name));
}
ast_copy_string(context, DEFAULTCONTEXT, sizeof(context));
d->contrast = -1;
d->output = OUTPUT_HANDSET;
d->previous_output = OUTPUT_HANDSET;
d->volume = VOLUME_LOW;
d->mute = MUTE_OFF;
linelabel[0] = '\0';
dateformat = 1;
timeformat = 1;
ringvolume = 2;
callhistory = 1;
ringstyle = 3;
nbsoftkey = 0;
while (v) {
if (!strcasecmp(v->name, "rtp_port"))
d->rtp_port = atoi(v->value);
else if (!strcasecmp(v->name, "rtp_method"))
d->rtp_method = atoi(v->value);
else if (!strcasecmp(v->name, "status_method"))
d->status_method = atoi(v->value);
else if (!strcasecmp(v->name, "device"))
ast_copy_string(d->id, v->value, sizeof(d->id));
else if (!strcasecmp(v->name, "tn"))
ast_copy_string(d->extension_number, v->value, sizeof(d->extension_number));
else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny"))
d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
else if (!strcasecmp(v->name, "context"))
ast_copy_string(context, v->value, sizeof(context));
else if (!strcasecmp(v->name, "maintext0"))
unquote(d->maintext0, v->value, sizeof(d->maintext0) - 1);
else if (!strcasecmp(v->name, "maintext1"))
unquote(d->maintext1, v->value, sizeof(d->maintext1) - 1);
else if (!strcasecmp(v->name, "maintext2"))
unquote(d->maintext2, v->value, sizeof(d->maintext2) - 1);
else if (!strcasecmp(v->name, "titledefault"))
unquote(d->titledefault, v->value, sizeof(d->titledefault) - 1);
else if (!strcasecmp(v->name, "dateformat"))
dateformat = atoi(v->value);
else if (!strcasecmp(v->name, "timeformat"))
timeformat = atoi(v->value);
else if (!strcasecmp(v->name, "contrast")) {
d->contrast = atoi(v->value);
if ((d->contrast < 0) || (d->contrast > 15)) {
ast_log(LOG_WARNING, "constrast must be beetween 0 and 15");
d->contrast = 8;
}
} else if (!strcasecmp(v->name, "nat"))
d->nat = ast_true(v->value);
else if (!strcasecmp(v->name, "ringvolume"))
ringvolume = atoi(v->value);
else if (!strcasecmp(v->name, "ringstyle"))
ringstyle = atoi(v->value);
else if (!strcasecmp(v->name, "callhistory"))
callhistory = atoi(v->value);
else if (!strcasecmp(v->name, "callerid")) {
if (!strcasecmp(v->value, "asreceived"))
l->cid_num[0] = '\0';
else
ast_copy_string(l->cid_num, v->value, sizeof(l->cid_num));
} else if (!strcasecmp(v->name, "language"))
ast_copy_string(l->language, v->value, sizeof(l->language));
else if (!strcasecmp(v->name, "country"))
ast_copy_string(d->country, v->value, sizeof(d->country));
else if (!strcasecmp(v->name, "accountcode"))
ast_copy_string(l->accountcode, v->value, sizeof(l->accountcode));
else if (!strcasecmp(v->name, "amaflags")) {
int y;
y = ast_cdr_amaflags2int(v->value);
if (y < 0)
ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value,
v->lineno);
else
l->amaflags = y;
} else if (!strcasecmp(v->name, "musiconhold"))
ast_copy_string(l->musicclass, v->value, sizeof(l->musicclass));
else if (!strcasecmp(v->name, "callgroup"))
l->callgroup = ast_get_group(v->value);
else if (!strcasecmp(v->name, "pickupgroup"))
l->pickupgroup = ast_get_group(v->value);
else if (!strcasecmp(v->name, "mailbox"))
ast_copy_string(l->mailbox, v->value, sizeof(l->mailbox));
else if (!strcasecmp(v->name, "linelabel"))
unquote(linelabel, v->value, sizeof(linelabel) - 1);
else if (!strcasecmp(v->name, "extension")) {
if (!strcasecmp(v->value, "none"))
d->extension = EXTENSION_NONE;
else if (!strcasecmp(v->value, "ask"))
d->extension = EXTENSION_ASK;
else if (!strcasecmp(v->value, "line"))
d->extension = EXTENSION_LINE;
else
ast_log(LOG_WARNING, "Unknown extension option.\n");
} else if (!strcasecmp(v->name, "bookmark")) {
if (nbsoftkey > 5)
ast_log(LOG_WARNING,
"More than 6 softkeys defined. Ignoring new entries.\n");
else {
if (ParseBookmark(v->value, d))
nbsoftkey++;
}
} else if (!strcasecmp(v->name, "line")) {
int len = strlen(linelabel);
if (nbsoftkey) {
ast_log(LOG_WARNING,
"You must use bookmark AFTER line=>. Only one line is supported in this version\n");
if (create) {
ast_free(d);
ast_free(l);
}
return NULL;
}
if (create) {
ast_mutex_init(&l->lock);
} else {
d->to_delete = 0;
/* reset bookmarks */
memset(d->softkeylabel, 0, sizeof(d->softkeylabel));
memset(d->softkeynumber, 0, sizeof(d->softkeynumber));
memset(d->softkeyicon, 0, sizeof(d->softkeyicon));
memset(d->softkeydevice, 0, sizeof(d->softkeydevice));
memset(d->sp, 0, sizeof(d->sp));
}
ast_copy_string(l->name, v->value, sizeof(l->name));
snprintf(l->fullname, sizeof(l->fullname), "USTM/%s@%s", l->name, d->name);
d->softkeyicon[0] = FAV_ICON_ONHOOK_BLACK;
if (!len) /* label is undefined ? */
ast_copy_string(d->softkeylabel[0], v->value, sizeof(d->softkeylabel[0]));
else {
if ((len > 2) && (linelabel[1] == '@')) {
d->softkeylinepos = linelabel[0];
if ((d->softkeylinepos >= '0') && (d->softkeylinepos <= '5')) {
d->softkeylinepos -= '0';
d->softkeyicon[0] = 0;
} else {
ast_log(LOG_WARNING,
"Invalid position for linelabel : must be between 0 and 5\n");
d->softkeylinepos = 0;
}
ast_copy_string(d->softkeylabel[d->softkeylinepos], linelabel + 2,
sizeof(d->softkeylabel[d->softkeylinepos]));
d->softkeyicon[d->softkeylinepos] = FAV_ICON_ONHOOK_BLACK;
} else
ast_copy_string(d->softkeylabel[0], linelabel,
sizeof(d->softkeylabel[0]));
}
nbsoftkey++;
ast_copy_string(l->context, context, sizeof(l->context));
if (!ast_strlen_zero(l->mailbox)) {
if (unistimdebug)
ast_verb(3, "Setting mailbox '%s' on %s@%s\n", l->mailbox, d->name, l->name);
}
l->capability = CAPABILITY;
l->parent = d;
if (create) {
if (!alloc_sub(l, SUB_REAL)) {
ast_mutex_destroy(&l->lock);
ast_free(l);
ast_free(d);
return NULL;
}
l->next = d->lines;
d->lines = l;
}
} else
ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name,
v->lineno);
v = v->next;
}
d->ringvolume = ringvolume;
d->ringstyle = ringstyle;
d->callhistory = callhistory;
d->tz = ast_get_indication_zone(d->country);
if ((d->tz == NULL) && !ast_strlen_zero(d->country))
ast_log(LOG_WARNING, "Country '%s' was not found in indications.conf\n",
d->country);
d->datetimeformat = 56 + (dateformat * 4);
d->datetimeformat += timeformat;
if (!d->lines) {
ast_log(LOG_ERROR, "An Unistim device must have at least one line!\n");
ast_mutex_destroy(&l->lock);
ast_free(l);
ast_free(d);
return NULL;
}
if ((autoprovisioning == AUTOPROVISIONING_TN) &&
(!ast_strlen_zero(d->extension_number))) {
d->extension = EXTENSION_TN;
if (!ast_strlen_zero(d->id))
ast_log(LOG_WARNING,
"tn= and device= can't be used together. Ignoring device= entry\n");
d->id[0] = 'T'; /* magic : this is a tn entry */
ast_copy_string((d->id) + 1, d->extension_number, sizeof(d->id) - 1);
d->extension_number[0] = '\0';
} else if (ast_strlen_zero(d->id)) {
if (strcmp(d->name, "template")) {
ast_log(LOG_ERROR, "You must specify the mac address with device=\n");
ast_mutex_destroy(&l->lock);
ast_free(l);
ast_free(d);
return NULL;
} else
strcpy(d->id, "000000000000");
}
if (!d->rtp_port)
d->rtp_port = 10000;
if (d->contrast == -1)
d->contrast = 8;
if (ast_strlen_zero(d->maintext0))
strcpy(d->maintext0, "Welcome");
if (ast_strlen_zero(d->maintext1))
strcpy(d->maintext1, d->name);
if (ast_strlen_zero(d->titledefault)) {
struct ast_tm tm = { 0, };
struct timeval cur_time = ast_tvnow();
if ((ast_localtime(&cur_time, &tm, 0)) == 0 || ast_strlen_zero(tm.tm_zone)) {
display_last_error("Error in ast_localtime()");
ast_copy_string(d->titledefault, "UNISTIM for*", 12);
} else {
if (strlen(tm.tm_zone) < 4) {
strcpy(d->titledefault, "TimeZone ");
strcat(d->titledefault, tm.tm_zone);
} else if (strlen(tm.tm_zone) < 9) {
strcpy(d->titledefault, "TZ ");
strcat(d->titledefault, tm.tm_zone);
} else
ast_copy_string(d->titledefault, tm.tm_zone, 12);
}
}
/* Update the chained link if it's a new device */
if (create) {
ast_mutex_lock(&devicelock);
d->next = devices;
devices = d;
ast_mutex_unlock(&devicelock);
ast_verb(3, "Added device '%s'\n", d->name);
} else {
ast_verb(3, "Device '%s' reloaded\n", d->name);
}
return d;
}
/*--- reload_config: Re-read unistim.conf config file ---*/
static int reload_config(void)
{
struct ast_config *cfg;
struct ast_variable *v;
struct ast_hostent ahp;
struct hostent *hp;
struct sockaddr_in bindaddr = { 0, };
char *config = "unistim.conf";
char *cat;
struct unistim_device *d;
const int reuseFlag = 1;
struct unistimsession *s;
struct ast_flags config_flags = { 0, };
cfg = ast_config_load(config, config_flags);
/* We *must* have a config file otherwise stop immediately */
if (!cfg) {
ast_log(LOG_ERROR, "Unable to load config %s\n", config);
return -1;
}
/* Copy the default jb config over global_jbconf */
memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
unistim_keepalive = 120;
unistim_port = 0;
v = ast_variable_browse(cfg, "general");
while (v) {
/* handle jb conf */
if (!ast_jb_read_conf(&global_jbconf, v->name, v->value))
continue;
if (!strcasecmp(v->name, "keepalive"))
unistim_keepalive = atoi(v->value);
else if (!strcasecmp(v->name, "port"))
unistim_port = atoi(v->value);
else if (!strcasecmp(v->name, "tos")) {
if (ast_str2tos(v->value, &tos))
ast_log(LOG_WARNING, "Invalid tos value at line %d, refer to QoS documentation\n", v->lineno);
} else if (!strcasecmp(v->name, "tos_audio")) {
if (ast_str2tos(v->value, &tos_audio))
ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno);
} else if (!strcasecmp(v->name, "cos")) {
if (ast_str2cos(v->value, &cos))
ast_log(LOG_WARNING, "Invalid cos value at line %d, refer to QoS documentation\n", v->lineno);
} else if (!strcasecmp(v->name, "cos_audio")) {
if (ast_str2cos(v->value, &cos_audio))
ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno);
} else if (!strcasecmp(v->name, "autoprovisioning")) {
if (!strcasecmp(v->value, "no"))
autoprovisioning = AUTOPROVISIONING_NO;
else if (!strcasecmp(v->value, "yes"))
autoprovisioning = AUTOPROVISIONING_YES;
else if (!strcasecmp(v->value, "db"))
autoprovisioning = AUTOPROVISIONING_DB;
else if (!strcasecmp(v->value, "tn"))
autoprovisioning = AUTOPROVISIONING_TN;
else
ast_log(LOG_WARNING, "Unknown autoprovisioning option.\n");
} else if (!strcasecmp(v->name, "public_ip")) {
if (!ast_strlen_zero(v->value)) {
if (!(hp = ast_gethostbyname(v->value, &ahp)))
ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
else {
memcpy(&public_ip.sin_addr, hp->h_addr, sizeof(public_ip.sin_addr));
public_ip.sin_family = AF_INET;
}
}
}
v = v->next;
}
if ((unistim_keepalive < 10) ||
(unistim_keepalive >
255 - (((NB_MAX_RETRANSMIT + 1) * RETRANSMIT_TIMER) / 1000))) {
ast_log(LOG_ERROR, "keepalive is invalid in %s\n", config);
ast_config_destroy(cfg);
return -1;
}
packet_send_ping[4] =
unistim_keepalive + (((NB_MAX_RETRANSMIT + 1) * RETRANSMIT_TIMER) / 1000);
if ((unistim_port < 1) || (unistim_port > 65535)) {
ast_log(LOG_ERROR, "port is not set or invalid in %s\n", config);
ast_config_destroy(cfg);
return -1;
}
unistim_keepalive *= 1000;
ast_mutex_lock(&devicelock);
d = devices;
while (d) {
if (d->to_delete >= 0)
d->to_delete = 1;
d = d->next;
}
ast_mutex_unlock(&devicelock);
/* load the device sections */
cat = ast_category_browse(cfg, NULL);
while (cat) {
if (strcasecmp(cat, "general")) {
d = build_device(cat, ast_variable_browse(cfg, cat));
}
cat = ast_category_browse(cfg, cat);
}
ast_mutex_lock(&devicelock);
d = devices;
while (d) {
if (d->to_delete) {
int i;
if (unistimdebug)
ast_verb(0, "Removing device '%s'\n", d->name);
if (!d->lines) {
ast_log(LOG_ERROR, "Device '%s' without a line !, aborting\n", d->name);
ast_config_destroy(cfg);
return 0;
}
if (!d->lines->subs[0]) {
ast_log(LOG_ERROR, "Device '%s' without a subchannel !, aborting\n",
d->name);
ast_config_destroy(cfg);
return 0;
}
if (d->lines->subs[0]->owner) {
ast_log(LOG_WARNING,
"Device '%s' was not deleted : a call is in progress. Try again later.\n",
d->name);
d = d->next;
continue;
}
ast_mutex_destroy(&d->lines->subs[0]->lock);
ast_free(d->lines->subs[0]);
for (i = 1; i < MAX_SUBS; i++) {
if (d->lines->subs[i]) {
ast_log(LOG_WARNING,
"Device '%s' with threeway call subchannels allocated, aborting.\n",
d->name);
break;
}
}
if (i < MAX_SUBS) {
d = d->next;
continue;
}
ast_mutex_destroy(&d->lines->lock);
ast_free(d->lines);
if (d->session) {
if (sessions == d->session)
sessions = d->session->next;
else {
s = sessions;
while (s) {
if (s->next == d->session) {
s->next = d->session->next;
break;
}
s = s->next;
}
}
ast_mutex_destroy(&d->session->lock);
ast_free(d->session);
}
if (devices == d)
devices = d->next;
else {
struct unistim_device *d2 = devices;
while (d2) {
if (d2->next == d) {
d2->next = d->next;
break;
}
d2 = d2->next;
}
}
ast_free(d);
d = devices;
continue;
}
d = d->next;
}
finish_bookmark();
ast_mutex_unlock(&devicelock);
ast_config_destroy(cfg);
ast_mutex_lock(&sessionlock);
s = sessions;
while (s) {
if (s->device)
refresh_all_favorite(s);
s = s->next;
}
ast_mutex_unlock(&sessionlock);
/* We don't recreate a socket when reloading (locks would be necessary). */
if (unistimsock > -1)
return 0;
bindaddr.sin_addr.s_addr = INADDR_ANY;
bindaddr.sin_port = htons(unistim_port);
bindaddr.sin_family = AF_INET;
unistimsock = socket(AF_INET, SOCK_DGRAM, 0);
if (unistimsock < 0) {
ast_log(LOG_WARNING, "Unable to create UNISTIM socket: %s\n", strerror(errno));
return -1;
}
#ifdef HAVE_PKTINFO
{
const int pktinfoFlag = 1;
setsockopt(unistimsock, IPPROTO_IP, IP_PKTINFO, &pktinfoFlag,
sizeof(pktinfoFlag));
}
#else
if (public_ip.sin_family == 0) {
ast_log(LOG_WARNING,
"Your OS does not support IP_PKTINFO, you must set public_ip.\n");
unistimsock = -1;
return -1;
}
#endif
setsockopt(unistimsock, SOL_SOCKET, SO_REUSEADDR, (const char *) &reuseFlag,
sizeof(reuseFlag));
if (bind(unistimsock, (struct sockaddr *) &bindaddr, sizeof(bindaddr)) < 0) {
ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
ast_inet_ntoa(bindaddr.sin_addr), htons(bindaddr.sin_port),
strerror(errno));
close(unistimsock);
unistimsock = -1;
} else {
ast_verb(2, "UNISTIM Listening on %s:%d\n", ast_inet_ntoa(bindaddr.sin_addr), htons(bindaddr.sin_port));
ast_netsock_set_qos(unistimsock, tos, cos, "UNISTIM");
}
return 0;
}
static enum ast_rtp_get_result unistim_get_vrtp_peer(struct ast_channel *chan,
struct ast_rtp **rtp)
{
return AST_RTP_TRY_NATIVE;
}
static enum ast_rtp_get_result unistim_get_rtp_peer(struct ast_channel *chan,
struct ast_rtp **rtp)
{
struct unistim_subchannel *sub;
enum ast_rtp_get_result res = AST_RTP_GET_FAILED;
if (unistimdebug)
ast_verb(0, "unistim_get_rtp_peer called\n");
sub = chan->tech_pvt;
if (sub && sub->rtp) {
*rtp = sub->rtp;
res = AST_RTP_TRY_NATIVE;
}
return res;
}
static int unistim_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp,
struct ast_rtp *vrtp, struct ast_rtp *trtp, int codecs, int nat_active)
{
struct unistim_subchannel *sub;
if (unistimdebug)
ast_verb(0, "unistim_set_rtp_peer called\n");
sub = chan->tech_pvt;
if (sub)
return 0;
return -1;
}
static struct ast_rtp_protocol unistim_rtp = {
.type = type,
.get_rtp_info = unistim_get_rtp_peer,
.get_vrtp_info = unistim_get_vrtp_peer,
.set_rtp_peer = unistim_set_rtp_peer,
};
/*--- load_module: PBX load module - initialization ---*/
int load_module(void)
{
int res;
if (!(buff = ast_malloc(SIZE_PAGE)))
goto buff_failed;
io = io_context_create();
if (!io) {
ast_log(LOG_ERROR, "Failed to allocate IO context\n");
goto io_failed;
}
sched = sched_context_create();
if (!sched) {
ast_log(LOG_ERROR, "Failed to allocate scheduler context\n");
goto sched_failed;
}
res = reload_config();
if (res)
return AST_MODULE_LOAD_DECLINE;
/* Make sure we can register our unistim channel type */
if (ast_channel_register(&unistim_tech)) {
ast_log(LOG_ERROR, "Unable to register channel type '%s'\n", type);
goto chanreg_failed;
}
ast_rtp_proto_register(&unistim_rtp);
ast_cli_register_multiple(unistim_cli, ARRAY_LEN(unistim_cli));
restart_monitor();
return AST_MODULE_LOAD_SUCCESS;
chanreg_failed:
/*! XXX \todo Leaking anything allocated by reload_config() ... */
sched_context_destroy(sched);
sched = NULL;
sched_failed:
io_context_destroy(io);
io = NULL;
io_failed:
ast_free(buff);
buff = NULL;
buff_failed:
return AST_MODULE_LOAD_FAILURE;
}
static int unload_module(void)
{
/* First, take us out of the channel loop */
if (sched)
sched_context_destroy(sched);
ast_cli_unregister_multiple(unistim_cli, ARRAY_LEN(unistim_cli));
ast_channel_unregister(&unistim_tech);
ast_rtp_proto_unregister(&unistim_rtp);
ast_mutex_lock(&monlock);
if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) {
pthread_cancel(monitor_thread);
pthread_kill(monitor_thread, SIGURG);
pthread_join(monitor_thread, NULL);
}
monitor_thread = AST_PTHREADT_STOP;
ast_mutex_unlock(&monlock);
if (buff)
ast_free(buff);
if (unistimsock > -1)
close(unistimsock);
return 0;
}
/*! reload: Part of Asterisk module interface ---*/
int reload(void)
{
unistim_reload(NULL, 0, NULL);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "UNISTIM Protocol (USTM)",
.load = load_module,
.unload = unload_module,
.reload = reload,
);
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