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first commit of chan_h323
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@724 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeremy McNamara
186
channels/h323/chan_h323.h
Executable file
186
channels/h323/chan_h323.h
Executable file
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/*
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* chan_oh323.h
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*
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* OpenH323 Channel Driver for ASTERISK PBX.
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* By Jeremy McNamara
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* For The NuFone Network
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*
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* This code has been derived from code created by
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* Michael Manousos and Mark Spencer
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*
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* This file is part of the chan_oh323 driver for Asterisk
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*
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* chan_oh323 is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* chan_oh323 is distributed WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <arpa/inet.h>
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static struct sockaddr_in bindaddr;
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/* structure to hold the valid asterisk users */
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struct oh323_user {
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char name[80];
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char context[80];
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char secret[80];
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char callerid[80];
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char accountcode[20];
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int amaflags;
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int noFastStart;
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int noH245Tunneling;
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int noSilenceSuppression;
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int inUse;
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int incominglimit;
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int bridge;
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int nat;
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int dtmfmode;
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struct ast_ha *ha;
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struct sockaddr_in addr;
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struct oh323_user *next;
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};
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/* structure to hold the valid asterisk peers
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All peers are registered to a GK if there is one */
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struct oh323_peer {
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char name[80];
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char context[80];
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int noFastStart;
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int noH245Tunneling;
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int noSilenceSuppression;
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int inUse;
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int outgoinglimit;
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int bridge;
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int nat;
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int dtmfmode;
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struct sockaddr_in addr;
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int delme;
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struct oh323_peer *next;
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};
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/* structure to hold the H.323 aliases which get registered to
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the H.323 endpoint and gatekeeper */
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struct oh323_alias {
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char name[80];
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char e164[20]; /* tells a GK to route this E.164 to this alias */
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char prefix[500]; /* tells a GK this alias supports these prefixes */
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char secret[20]; /* the H.235 password to send to the GK for authentication */
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char context[80];
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struct oh323_alias *next;
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};
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/** call_option struct is filled from the
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PBX application and passed through make_call
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function*/
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typedef struct call_options {
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int noFastStart;
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int noH245Tunnelling;
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int noSilenceSuppression;
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int jitter;
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unsigned int port;
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} call_options_t;
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/** call_details struct call detail records
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to asterisk for processing and used for matching up
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asterisk channels to acutal h.323 connections */
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typedef struct call_details {
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unsigned int call_reference;
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const char *call_token;
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const char *call_source_aliases;
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const char *call_dest_alias;
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const char *call_source_e164;
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const char *call_dest_e164;
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const char *sourceIp;
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} call_details_t;
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/* This is a callback prototype function, called pass
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DTMF down the RTP. */
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typedef int (*send_digit_cb)(unsigned, char);
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send_digit_cb on_send_digit;
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/* This is a callback prototype function, called to collect
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the external RTP port from Asterisk. */
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typedef int (*on_connection_cb)(unsigned);
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on_connection_cb on_create_connection;
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/* This is a callback prototype function, called upon
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an incoming call happens. */
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typedef int (*setup_incoming_cb)(call_details_t);
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setup_incoming_cb on_incoming_call;
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/* This is a callback prototype function, called upon
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an outbound call. */
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typedef int (*setup_outbound_cb)(call_details_t);
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setup_outbound_cb on_outgoing_call;
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/* This is a callback prototype function, called when the openh323
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OnStartLogicalChannel is invoked. */
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typedef void (*start_logchan_cb)(unsigned int, const char *, int);
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start_logchan_cb on_start_logical_channel;
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/* This is a callback protoype function, called when the openh323
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OnConnectionEstablished is inovked */
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typedef void (*con_established_cb)(unsigned);
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con_established_cb on_connection_established;
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/* This is a callback prototype function, called when the openH323
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OnConnectionCleared callback is invoked */
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typedef void (*clear_con_cb)(call_details_t);
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clear_con_cb on_connection_cleared;
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/* debug flag */
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int h323debug;
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#define H323_DTMF_RFC2833 (1 << 0)
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#define H323_DTMF_INBAND (1 << 1)
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#ifdef __cplusplus
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extern "C" {
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#endif
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void h323_gk_urq(void);
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void h323_end_point_create(void);
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void h323_end_process(void);
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int end_point_exist(void);
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void h323_debug(int, unsigned);
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/* callback function handler*/
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void h323_callback_register(setup_incoming_cb, setup_outbound_cb, on_connection_cb, start_logchan_cb, clear_con_cb, con_established_cb, send_digit_cb);
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int h323_set_capability(int, int);
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int h323_set_alias(struct oh323_alias *);
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int h323_set_gk(int, char *, char *);
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/* H323 listener related funcions */
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int h323_start_listener(int, struct sockaddr_in, int);
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void h323_native_bridge(const char *, char *, char *);
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/* Send a DTMF tone to remote endpoint */
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void h323_send_tone(const char *call_token, char tone);
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/* H323 create and destroy sessions */
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int h323_make_call(char *host, call_details_t *cd, call_options_t);
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int h323_clear_call(const char *);
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int h323_answering_call(const char *token, int);
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int h323_show_codec(int fd, int argc, char *argv[]);
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#ifdef __cplusplus
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}
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#endif
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