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2c65582b66
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7221 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1533 lines
41 KiB
C++
1533 lines
41 KiB
C++
#define _GNU_SOURCE
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/*
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* ast_h323.cpp
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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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* chan_h323 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_h323 driver for Asterisk
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*
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* chan_h323 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_h323 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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* Version Info: $Id$
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*/
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#include <arpa/inet.h>
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#include <list>
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#include <string>
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#include <algorithm>
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#include <ptlib.h>
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#include <h323.h>
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#include <h323pdu.h>
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#include <mediafmt.h>
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#include <lid.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#ifdef __cplusplus
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}
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#endif
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#include "chan_h323.h"
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#include "ast_h323.h"
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/* PWlib Required Components */
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#define MAJOR_VERSION 1
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#define MINOR_VERSION 0
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#define BUILD_TYPE ReleaseCode
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#define BUILD_NUMBER 0
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/** Counter for the number of connections */
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int channelsOpen;
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/* DTMF Mode */
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int mode = H323_DTMF_RFC2833;
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/**
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* We assume that only one endPoint should exist.
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* The application cannot run the h323_end_point_create() more than once
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* FIXME: Singleton this, for safety
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*/
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MyH323EndPoint *endPoint = NULL;
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/** PWLib entry point */
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MyProcess *localProcess = NULL;
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class PAsteriskLog : public PObject, public iostream {
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PCLASSINFO(PAsteriskLog, PObject);
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public:
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PAsteriskLog() : iostream(cout.rdbuf()) { init(&buffer); }
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~PAsteriskLog() { flush(); }
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private:
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PAsteriskLog(const PAsteriskLog &) : iostream(cout.rdbuf()) { }
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PAsteriskLog & operator=(const PAsteriskLog &) { return *this; }
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class Buffer : public streambuf {
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public:
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virtual int overflow(int=EOF);
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virtual int underflow();
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virtual int sync();
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PString string;
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} buffer;
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friend class Buffer;
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};
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static PAsteriskLog *logstream = NULL;
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int PAsteriskLog::Buffer::overflow(int c)
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{
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if (pptr() >= epptr()) {
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int ppos = pptr() - pbase();
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char *newptr = string.GetPointer(string.GetSize() + 2000);
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setp(newptr, newptr + string.GetSize() - 1);
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pbump(ppos);
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}
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if (c != EOF) {
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*pptr() = (char)c;
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pbump(1);
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}
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return 0;
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}
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int PAsteriskLog::Buffer::underflow()
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{
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return EOF;
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}
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int PAsteriskLog::Buffer::sync()
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{
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char *str = strdup(string);
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char *s, *s1;
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char c;
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/* Pass each line with different ast_verbose() call */
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for (s = str; s && *s; s = s1) {
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s1 = strchr(s, '\n');
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if (!s1)
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s1 = s + strlen(s);
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else
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s1++;
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c = *s1;
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*s1 = '\0';
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ast_verbose("%s", s);
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*s1 = c;
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}
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free(str);
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string = PString();
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char *base = string.GetPointer(2000);
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setp(base, base + string.GetSize() - 1);
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return 0;
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}
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#define cout (*logstream)
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MyProcess::MyProcess(): PProcess("The NuFone Network's", "H.323 Channel Driver for Asterisk",
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MAJOR_VERSION, MINOR_VERSION, BUILD_TYPE, BUILD_NUMBER)
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{
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/* Fix missed one in PWLib */
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PX_firstTimeStart = FALSE;
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Resume();
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}
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void MyProcess::Main()
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{
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cout << " == Creating H.323 Endpoint" << endl;
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endPoint = new MyH323EndPoint();
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/* Due to a bug in the H.323 recomendation/stack we should request a sane
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amount of bandwidth from the GK - this function is ignored if not using a GK
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We are requesting 128 (64k in each direction), which is the worst case codec. */
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endPoint->SetInitialBandwidth(1280);
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PTrace::Initialise(0, NULL, PTrace::Timestamp | PTrace::Thread | PTrace::FileAndLine);
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PTrace::SetStream(logstream);
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}
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void PAssertFunc(const char *msg)
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{
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ast_log(LOG_ERROR, "%s\n", msg);
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/* XXX: Probably we need to crash here */
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}
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H323_REGISTER_CAPABILITY(H323_G7231Capability, OPAL_G7231);
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H323_REGISTER_CAPABILITY(AST_G729Capability, OPAL_G729);
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H323_REGISTER_CAPABILITY(AST_G729ACapability, OPAL_G729A);
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H323_G7231Capability::H323_G7231Capability(BOOL annexA_)
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: H323AudioCapability(7, 4)
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{
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annexA = annexA_;
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}
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PObject::Comparison H323_G7231Capability::Compare(const PObject & obj) const
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{
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Comparison result = H323AudioCapability::Compare(obj);
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if (result != EqualTo) {
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return result;
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}
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PINDEX otherAnnexA = ((const H323_G7231Capability &)obj).annexA;
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if (annexA < otherAnnexA) {
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return LessThan;
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}
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if (annexA > otherAnnexA) {
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return GreaterThan;
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}
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return EqualTo;
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}
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PObject * H323_G7231Capability::Clone() const
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{
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return new H323_G7231Capability(*this);
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}
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PString H323_G7231Capability::GetFormatName() const
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{
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return OPAL_G7231;
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}
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unsigned H323_G7231Capability::GetSubType() const
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{
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return H245_AudioCapability::e_g7231;
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}
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BOOL H323_G7231Capability::OnSendingPDU(H245_AudioCapability & cap,
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unsigned packetSize) const
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{
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cap.SetTag(H245_AudioCapability::e_g7231);
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H245_AudioCapability_g7231 & g7231 = cap;
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g7231.m_maxAl_sduAudioFrames = packetSize;
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g7231.m_silenceSuppression = annexA;
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return TRUE;
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}
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BOOL H323_G7231Capability::OnReceivedPDU(const H245_AudioCapability & cap,
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unsigned & packetSize)
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{
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if (cap.GetTag() != H245_AudioCapability::e_g7231) {
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return FALSE;
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}
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const H245_AudioCapability_g7231 & g7231 = cap;
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packetSize = g7231.m_maxAl_sduAudioFrames;
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annexA = g7231.m_silenceSuppression;
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return TRUE;
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}
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H323Codec * H323_G7231Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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AST_G729Capability::AST_G729Capability()
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: H323AudioCapability(24, 2)
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{
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}
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PObject * AST_G729Capability::Clone() const
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{
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return new AST_G729Capability(*this);
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}
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unsigned AST_G729Capability::GetSubType() const
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{
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return H245_AudioCapability::e_g729;
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}
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PString AST_G729Capability::GetFormatName() const
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{
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return OPAL_G729;
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}
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H323Codec * AST_G729Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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AST_G729ACapability::AST_G729ACapability()
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: H323AudioCapability(24, 6)
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{
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}
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PObject * AST_G729ACapability::Clone() const
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{
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return new AST_G729ACapability(*this);
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}
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unsigned AST_G729ACapability::GetSubType() const
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{
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return H245_AudioCapability::e_g729AnnexA;
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}
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PString AST_G729ACapability::GetFormatName() const
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{
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return OPAL_G729A;
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}
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H323Codec * AST_G729ACapability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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/** MyH323EndPoint
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*/
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MyH323EndPoint::MyH323EndPoint()
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: H323EndPoint()
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{
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// Capabilities will be negotiated on per-connection basis
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capabilities.RemoveAll();
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}
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/** The fullAddress parameter is used directly in the MakeCall method so
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* the General form for the fullAddress argument is :
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* [alias@][transport$]host[:port]
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* default values: alias = the same value as host.
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* transport = ip.
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* port = 1720.
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*/
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int MyH323EndPoint::MakeCall(const PString & dest, PString & token, unsigned int *callReference, call_options_t *opts)
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{
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PString fullAddress;
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MyH323Connection * connection;
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/* Determine whether we are using a gatekeeper or not. */
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if (GetGatekeeper()) {
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fullAddress = dest;
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if (h323debug) {
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cout << " -- Making call to " << fullAddress << " using gatekeeper." << endl;
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}
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} else {
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fullAddress = dest;
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if (h323debug) {
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cout << " -- Making call to " << fullAddress << " without gatekeeper." << endl;
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}
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}
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if (!(connection = (MyH323Connection *)H323EndPoint::MakeCallLocked(fullAddress, token, opts))) {
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if (h323debug) {
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cout << "Error making call to \"" << fullAddress << '"' << endl;
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}
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return 1;
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}
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*callReference = connection->GetCallReference();
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if (opts->cid_num) {
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connection->ast_cid_num = PString(opts->cid_num);
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}
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if (opts->cid_name) {
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connection->ast_cid_name = PString(opts->cid_name);
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connection->SetLocalPartyName(connection->ast_cid_name);
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}
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connection->dtmfCodec = (RTP_DataFrame::PayloadTypes)opts->dtmfcodec;
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if (h323debug) {
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cout << "\t-- " << GetLocalUserName() << " is calling host " << fullAddress << endl;
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cout << "\t-- Call token is " << (const char *)token << endl;
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cout << "\t-- Call reference is " << *callReference << endl;
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cout << "\t-- DTMF Payload is " << connection->dtmfCodec << endl;
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}
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connection->Unlock();
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return 0;
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}
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void MyH323EndPoint::SetEndpointTypeInfo( H225_EndpointType & info ) const
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{
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H323EndPoint::SetEndpointTypeInfo(info);
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if (terminalType == e_GatewayOnly){
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info.RemoveOptionalField(H225_EndpointType::e_terminal);
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info.IncludeOptionalField(H225_EndpointType::e_gateway);
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}
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info.m_gateway.IncludeOptionalField(H225_GatewayInfo::e_protocol);
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info.m_gateway.m_protocol.SetSize(1);
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H225_SupportedProtocols &protocol=info.m_gateway.m_protocol[0];
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protocol.SetTag(H225_SupportedProtocols::e_voice);
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PINDEX as=SupportedPrefixes.GetSize();
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((H225_VoiceCaps &)protocol).m_supportedPrefixes.SetSize(as);
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for (PINDEX p=0; p<as; p++) {
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H323SetAliasAddress(SupportedPrefixes[p], ((H225_VoiceCaps &)protocol).m_supportedPrefixes[p].m_prefix, H225_AliasAddress::e_dialedDigits);
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}
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}
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void MyH323EndPoint::SetGateway(void)
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{
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terminalType = e_GatewayOnly;
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}
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BOOL MyH323EndPoint::ClearCall(const PString & token, H323Connection::CallEndReason reason)
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{
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if (h323debug) {
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cout << "\t-- ClearCall: Request to clear call with token " << token << ", cause " << reason << endl;
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}
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return H323EndPoint::ClearCall(token, reason);
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}
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BOOL MyH323EndPoint::ClearCall(const PString & token)
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{
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if (h323debug) {
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cout << "\t-- ClearCall: Request to clear call with token " << token << endl;
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}
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return H323EndPoint::ClearCall(token, H323Connection::EndedByLocalUser);
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}
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void MyH323EndPoint::SendUserTone(const PString &token, char tone)
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{
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H323Connection *connection = NULL;
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connection = FindConnectionWithLock(token);
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if (connection != NULL) {
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connection->SendUserInputTone(tone, 500);
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connection->Unlock();
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}
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}
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void MyH323EndPoint::OnClosedLogicalChannel(H323Connection & connection, const H323Channel & channel)
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{
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channelsOpen--;
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if (h323debug) {
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cout << "\t\tchannelsOpen = " << channelsOpen << endl;
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}
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H323EndPoint::OnClosedLogicalChannel(connection, channel);
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}
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BOOL MyH323EndPoint::OnConnectionForwarded(H323Connection & connection,
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const PString & forwardParty,
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const H323SignalPDU & pdu)
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{
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if (h323debug) {
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cout << "\t-- Call Forwarded to " << forwardParty << endl;
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}
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return FALSE;
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}
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BOOL MyH323EndPoint::ForwardConnection(H323Connection & connection,
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const PString & forwardParty,
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const H323SignalPDU & pdu)
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{
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if (h323debug) {
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cout << "\t-- Forwarding call to " << forwardParty << endl;
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}
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return H323EndPoint::ForwardConnection(connection, forwardParty, pdu);
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}
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void MyH323EndPoint::OnConnectionEstablished(H323Connection & connection, const PString & estCallToken)
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{
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if (h323debug) {
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cout << "\t=-= In OnConnectionEstablished for call " << connection.GetCallReference() << endl;
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cout << "\t\t-- Connection Established with \"" << connection.GetRemotePartyName() << "\"" << endl;
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}
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on_connection_established(connection.GetCallReference(), (const char *)connection.GetCallToken());
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}
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/** OnConnectionCleared callback function is called upon the dropping of an established
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* H323 connection.
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*/
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void MyH323EndPoint::OnConnectionCleared(H323Connection & connection, const PString & clearedCallToken)
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{
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PString remoteName = connection.GetRemotePartyName();
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switch (connection.GetCallEndReason()) {
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case H323Connection::EndedByCallForwarded:
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if (h323debug) {
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cout << "-- " << remoteName << " has forwarded the call" << endl;
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}
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break;
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case H323Connection::EndedByRemoteUser:
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if (h323debug) {
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cout << "-- " << remoteName << " has cleared the call" << endl;
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}
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break;
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case H323Connection::EndedByCallerAbort:
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if (h323debug) {
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cout << "-- " << remoteName << " has stopped calling" << endl;
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}
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break;
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case H323Connection::EndedByRefusal:
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if (h323debug) {
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cout << "-- " << remoteName << " did not accept your call" << endl;
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}
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break;
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case H323Connection::EndedByRemoteBusy:
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if (h323debug) {
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cout << "-- " << remoteName << " was busy" << endl;
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}
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break;
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case H323Connection::EndedByRemoteCongestion:
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if (h323debug) {
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cout << "-- Congested link to " << remoteName << endl;
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}
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break;
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case H323Connection::EndedByNoAnswer:
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if (h323debug) {
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cout << "-- " << remoteName << " did not answer your call" << endl;
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}
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break;
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case H323Connection::EndedByTransportFail:
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if (h323debug) {
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cout << "-- Call with " << remoteName << " ended abnormally" << endl;
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}
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break;
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case H323Connection::EndedByCapabilityExchange:
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if (h323debug) {
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cout << "-- Could not find common codec with " << remoteName << endl;
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}
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break;
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case H323Connection::EndedByNoAccept:
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if (h323debug) {
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cout << "-- Did not accept incoming call from " << remoteName << endl;
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}
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break;
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case H323Connection::EndedByAnswerDenied:
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if (h323debug) {
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cout << "-- Refused incoming call from " << remoteName << endl;
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}
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break;
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case H323Connection::EndedByNoUser:
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if (h323debug) {
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cout << "-- Remote endpoint could not find user: " << remoteName << endl;
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}
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break;
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case H323Connection::EndedByNoBandwidth:
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if (h323debug) {
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cout << "-- Call to " << remoteName << " aborted, insufficient bandwidth." << endl;
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}
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break;
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case H323Connection::EndedByUnreachable:
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if (h323debug) {
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cout << "-- " << remoteName << " could not be reached." << endl;
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}
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break;
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case H323Connection::EndedByHostOffline:
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if (h323debug) {
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cout << "-- " << remoteName << " is not online." << endl;
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}
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break;
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case H323Connection::EndedByNoEndPoint:
|
|
if (h323debug) {
|
|
cout << "-- No phone running for " << remoteName << endl;
|
|
}
|
|
break;
|
|
case H323Connection::EndedByConnectFail:
|
|
if (h323debug) {
|
|
cout << "-- Transport error calling " << remoteName << endl;
|
|
}
|
|
break;
|
|
default:
|
|
if (h323debug)
|
|
cout << " -- Call with " << remoteName << " completed (" << connection.GetCallEndReason() << ")" << endl;
|
|
|
|
}
|
|
|
|
if (connection.IsEstablished()) {
|
|
if (h323debug) {
|
|
cout << "\t-- Call duration " << setprecision(0) << setw(5) << (PTime() - connection.GetConnectionStartTime()) << endl;
|
|
}
|
|
}
|
|
/* Invoke the PBX application registered callback */
|
|
on_connection_cleared(connection.GetCallReference(), clearedCallToken);
|
|
return;
|
|
}
|
|
|
|
H323Connection * MyH323EndPoint::CreateConnection(unsigned callReference, void *o)
|
|
{
|
|
unsigned options = 0;
|
|
call_options_t *opts = (call_options_t *)o;
|
|
|
|
if (opts && opts->noFastStart) {
|
|
options |= H323Connection::FastStartOptionDisable;
|
|
} else {
|
|
options |= H323Connection::FastStartOptionEnable;
|
|
}
|
|
if (opts && opts->noH245Tunneling) {
|
|
options |= H323Connection::H245TunnelingOptionDisable;
|
|
} else {
|
|
options |= H323Connection::H245TunnelingOptionEnable;
|
|
}
|
|
/* Disable until I can figure out the proper way to deal with this */
|
|
#if 0
|
|
if (opts->noSilenceSuppression) {
|
|
options |= H323Connection::SilenceSuppresionOptionDisable;
|
|
} else {
|
|
options |= H323Connection::SilenceSUppressionOptionEnable;
|
|
}
|
|
#endif
|
|
return new MyH323Connection(*this, callReference, options);
|
|
}
|
|
|
|
/* MyH323Connection Implementation */
|
|
MyH323Connection::MyH323Connection(MyH323EndPoint & ep, unsigned callReference,
|
|
unsigned options)
|
|
: H323Connection(ep, callReference, options)
|
|
{
|
|
cause = -1;
|
|
if (h323debug) {
|
|
cout << " == New H.323 Connection created." << endl;
|
|
}
|
|
return;
|
|
}
|
|
|
|
MyH323Connection::~MyH323Connection()
|
|
{
|
|
if (h323debug) {
|
|
cout << " == H.323 Connection deleted." << endl;
|
|
}
|
|
return;
|
|
}
|
|
|
|
BOOL MyH323Connection::OnReceivedProgress(const H323SignalPDU &pdu)
|
|
{
|
|
BOOL isInband;
|
|
unsigned pi;
|
|
|
|
if (!H323Connection::OnReceivedProgress(pdu)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (!pdu.GetQ931().GetProgressIndicator(pi))
|
|
pi = 0;
|
|
if (h323debug) {
|
|
cout << "\t- Progress Indicator: " << pi << endl;
|
|
}
|
|
|
|
switch(pi) {
|
|
case Q931::ProgressNotEndToEndISDN:
|
|
case Q931::ProgressInbandInformationAvailable:
|
|
isInband = TRUE;
|
|
break;
|
|
default:
|
|
isInband = FALSE;
|
|
}
|
|
on_progress(GetCallReference(), (const char *)GetCallToken(), isInband);
|
|
|
|
return connectionState != ShuttingDownConnection;
|
|
}
|
|
|
|
H323Connection::AnswerCallResponse MyH323Connection::OnAnswerCall(const PString & caller,
|
|
const H323SignalPDU & setupPDU,
|
|
H323SignalPDU & /*connectPDU*/)
|
|
{
|
|
unsigned pi;
|
|
|
|
if (h323debug) {
|
|
cout << "\t=-= In OnAnswerCall for call " << GetCallReference() << endl;
|
|
}
|
|
|
|
if (connectionState == ShuttingDownConnection)
|
|
return H323Connection::AnswerCallDenied;
|
|
|
|
if (!setupPDU.GetQ931().GetProgressIndicator(pi)) {
|
|
pi = 0;
|
|
}
|
|
if (h323debug) {
|
|
cout << "\t\t- Progress Indicator: " << pi << endl;
|
|
}
|
|
if (progressAlert) {
|
|
pi = progressAlert;
|
|
} else if (pi == Q931::ProgressOriginNotISDN) {
|
|
pi = Q931::ProgressInbandInformationAvailable;
|
|
}
|
|
if (pi) {
|
|
alertingPDU->GetQ931().SetProgressIndicator(pi);
|
|
}
|
|
if (h323debug) {
|
|
cout << "\t\t- Inserting PI of " << pi << " into ALERTING message" << endl;
|
|
}
|
|
|
|
if (!on_answer_call(GetCallReference(), (const char *)GetCallToken())) {
|
|
return H323Connection::AnswerCallDenied;
|
|
}
|
|
/* The call will be answered later with "AnsweringCall()" function.
|
|
*/
|
|
return H323Connection::AnswerCallDeferredWithMedia;
|
|
}
|
|
|
|
BOOL MyH323Connection::OnAlerting(const H323SignalPDU & alertingPDU, const PString & username)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t=-= In OnAlerting for call " << GetCallReference()
|
|
<< ": sessionId=" << sessionId << endl;
|
|
cout << "\t-- Ringing phone for \"" << username << "\"" << endl;
|
|
}
|
|
|
|
if (on_progress) {
|
|
BOOL isInband;
|
|
unsigned alertingPI;
|
|
|
|
if (!alertingPDU.GetQ931().GetProgressIndicator(alertingPI)) {
|
|
alertingPI = 0;
|
|
}
|
|
if (h323debug) {
|
|
cout << "\t\t- Progress Indicator: " << alertingPI << endl;
|
|
}
|
|
|
|
switch(alertingPI) {
|
|
case Q931::ProgressNotEndToEndISDN:
|
|
case Q931::ProgressInbandInformationAvailable:
|
|
isInband = TRUE;
|
|
break;
|
|
default:
|
|
isInband = FALSE;
|
|
}
|
|
on_progress(GetCallReference(), (const char *)GetCallToken(), isInband);
|
|
}
|
|
on_chan_ringing(GetCallReference(), (const char *)GetCallToken() );
|
|
return connectionState != ShuttingDownConnection;
|
|
}
|
|
|
|
BOOL MyH323Connection::OnReceivedSignalSetup(const H323SignalPDU & setupPDU)
|
|
{
|
|
call_details_t cd;
|
|
PString sourceE164;
|
|
PString destE164;
|
|
PString sourceName;
|
|
PString sourceAliases;
|
|
PString destAliases;
|
|
PIPSocket::Address Ip;
|
|
WORD sourcePort;
|
|
char *s, *s1;
|
|
|
|
if (h323debug) {
|
|
cout << ("\t--Received SETUP message\n");
|
|
}
|
|
|
|
if (connectionState == ShuttingDownConnection)
|
|
return FALSE;
|
|
|
|
sourceAliases = setupPDU.GetSourceAliases();
|
|
destAliases = setupPDU.GetDestinationAlias();
|
|
|
|
sourceE164 = "";
|
|
setupPDU.GetSourceE164(sourceE164);
|
|
sourceName = "";
|
|
sourceName=setupPDU.GetQ931().GetDisplayName();
|
|
destE164 = "";
|
|
setupPDU.GetDestinationE164(destE164);
|
|
|
|
/* Convert complex strings */
|
|
// FIXME: deal more than one source alias
|
|
if ((s = strchr(sourceAliases, ' ')) != NULL) {
|
|
*s = '\0';
|
|
}
|
|
if ((s = strchr(sourceAliases, '\t')) != NULL) {
|
|
*s = '\0';
|
|
}
|
|
if ((s1 = strchr(destAliases, ' ')) != NULL) {
|
|
*s1 = '\0';
|
|
}
|
|
if ((s1 = strchr(destAliases, '\t')) != NULL) {
|
|
*s1 = '\0';
|
|
}
|
|
|
|
memset(&cd, 0, sizeof(cd));
|
|
cd.call_reference = GetCallReference();
|
|
cd.call_token = strdup((const char *)GetCallToken());
|
|
cd.call_source_aliases = strdup((const char *)sourceAliases);
|
|
cd.call_dest_alias = strdup((const char *)destAliases);
|
|
cd.call_source_e164 = strdup((const char *)sourceE164);
|
|
cd.call_dest_e164 = strdup((const char *)destE164);
|
|
cd.call_source_name = strdup((const char *)sourceName);
|
|
|
|
GetSignallingChannel()->GetRemoteAddress().GetIpAndPort(Ip, sourcePort);
|
|
cd.sourceIp = strdup((const char *)Ip.AsString());
|
|
|
|
/* Notify Asterisk of the request */
|
|
call_options_t *res = on_incoming_call(&cd);
|
|
|
|
if (!res) {
|
|
if (h323debug) {
|
|
cout << " -- Call Failed" << endl;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
progressSetup = res->progress_setup;
|
|
progressAlert = res->progress_alert;
|
|
dtmfCodec = (RTP_DataFrame::PayloadTypes)res->dtmfcodec;
|
|
|
|
|
|
return H323Connection::OnReceivedSignalSetup(setupPDU);
|
|
}
|
|
|
|
BOOL MyH323Connection::OnSendSignalSetup(H323SignalPDU & setupPDU)
|
|
{
|
|
call_details_t cd;
|
|
char *s, *s1;
|
|
|
|
if (h323debug) {
|
|
cout << " -- Sending SETUP message" << endl;
|
|
}
|
|
|
|
if (connectionState == ShuttingDownConnection)
|
|
return FALSE;
|
|
|
|
if (!ast_cid_num.IsEmpty()) {
|
|
setupPDU.GetQ931().SetCallingPartyNumber(ast_cid_num);
|
|
}
|
|
|
|
if (!ast_cid_name.IsEmpty()) {
|
|
setupPDU.GetQ931().SetDisplayName(ast_cid_name);
|
|
}
|
|
|
|
sourceAliases = setupPDU.GetSourceAliases();
|
|
destAliases = setupPDU.GetDestinationAlias();
|
|
|
|
sourceE164 = "";
|
|
setupPDU.GetSourceE164(sourceE164);
|
|
destE164 = "";
|
|
setupPDU.GetDestinationE164(destE164);
|
|
|
|
/* Convert complex strings */
|
|
// FIXME: deal more than one source alias
|
|
|
|
if ((s = strchr(sourceAliases, ' ')) != NULL) {
|
|
*s = '\0';
|
|
}
|
|
if ((s = strchr(sourceAliases, '\t')) != NULL) {
|
|
*s = '\0';
|
|
}
|
|
if ((s1 = strchr(destAliases, ' ')) != NULL) {
|
|
*s1 = '\0';
|
|
}
|
|
if ((s1 = strchr(destAliases, '\t')) != NULL) {
|
|
*s1 = '\0';
|
|
}
|
|
|
|
memset(&cd, 0, sizeof(cd));
|
|
cd.call_reference = GetCallReference();
|
|
cd.call_token = strdup((const char *)GetCallToken());
|
|
cd.call_source_aliases = strdup((const char *)sourceAliases);
|
|
cd.call_dest_alias = strdup((const char *)destAliases);
|
|
cd.call_source_e164 = strdup((const char *)sourceE164);
|
|
cd.call_dest_e164 = strdup((const char *)destE164);
|
|
|
|
int res = on_outgoing_call(&cd);
|
|
if (!res) {
|
|
if (h323debug) {
|
|
cout << "\t-- Call Failed" << endl;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
if (progressSetup) {
|
|
setupPDU.GetQ931().SetProgressIndicator(progressSetup);
|
|
}
|
|
return H323Connection::OnSendSignalSetup(setupPDU);
|
|
}
|
|
|
|
BOOL MyH323Connection::OnSendReleaseComplete(H323SignalPDU & releaseCompletePDU)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t-- Sending RELEASE COMPLETE" << endl;
|
|
}
|
|
if (cause > 0)
|
|
releaseCompletePDU.GetQ931().SetCause((Q931::CauseValues)cause);
|
|
return H323Connection::OnSendReleaseComplete(releaseCompletePDU);
|
|
}
|
|
|
|
BOOL MyH323Connection::OnReceivedFacility(const H323SignalPDU & pdu)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t-- Received Facility message... " << endl;
|
|
}
|
|
return H323Connection::OnReceivedFacility(pdu);
|
|
}
|
|
|
|
void MyH323Connection::OnReceivedReleaseComplete(const H323SignalPDU & pdu)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t-- Received RELEASE COMPLETE message..." << endl;
|
|
}
|
|
if (on_hangup)
|
|
on_hangup(GetCallReference(), (const char *)GetCallToken(), pdu.GetQ931().GetCause());
|
|
return H323Connection::OnReceivedReleaseComplete(pdu);
|
|
}
|
|
|
|
BOOL MyH323Connection::OnClosingLogicalChannel(H323Channel & channel)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t-- Closing logical channel..." << endl;
|
|
}
|
|
return H323Connection::OnClosingLogicalChannel(channel);
|
|
}
|
|
|
|
void MyH323Connection::SendUserInputTone(char tone, unsigned duration)
|
|
{
|
|
if (h323debug) {
|
|
cout << "\t-- Sending user input tone (" << tone << ") to remote" << endl;
|
|
}
|
|
on_send_digit(GetCallReference(), tone, (const char *)GetCallToken());
|
|
H323Connection::SendUserInputTone(tone, duration);
|
|
}
|
|
|
|
void MyH323Connection::OnUserInputTone(char tone, unsigned duration, unsigned logicalChannel, unsigned rtpTimestamp)
|
|
{
|
|
if (mode == H323_DTMF_INBAND) {
|
|
if (h323debug) {
|
|
cout << "\t-- Received user input tone (" << tone << ") from remote" << endl;
|
|
}
|
|
on_send_digit(GetCallReference(), tone, (const char *)GetCallToken());
|
|
}
|
|
H323Connection::OnUserInputTone(tone, duration, logicalChannel, rtpTimestamp);
|
|
}
|
|
|
|
void MyH323Connection::OnUserInputString(const PString &value)
|
|
{
|
|
if (mode == H323_DTMF_RFC2833) {
|
|
if (h323debug) {
|
|
cout << "\t-- Received user input string (" << value << ") from remote." << endl;
|
|
}
|
|
on_send_digit(GetCallReference(), value[0], (const char *)GetCallToken());
|
|
}
|
|
}
|
|
|
|
void MyH323Connection::OnSendCapabilitySet(H245_TerminalCapabilitySet & pdu)
|
|
{
|
|
PINDEX i;
|
|
|
|
H323Connection::OnSendCapabilitySet(pdu);
|
|
|
|
H245_ArrayOf_CapabilityTableEntry & tables = pdu.m_capabilityTable;
|
|
for(i = 0; i < tables.GetSize(); i++)
|
|
{
|
|
H245_CapabilityTableEntry & entry = tables[i];
|
|
if (entry.HasOptionalField(H245_CapabilityTableEntry::e_capability)) {
|
|
H245_Capability & cap = entry.m_capability;
|
|
if (cap.GetTag() == H245_Capability::e_receiveRTPAudioTelephonyEventCapability) {
|
|
H245_AudioTelephonyEventCapability & atec = cap;
|
|
atec.m_dynamicRTPPayloadType = dtmfCodec;
|
|
on_set_rfc2833_payload(GetCallReference(), (const char *)GetCallToken(), (int)dtmfCodec);
|
|
if (h323debug) {
|
|
cout << "\t-- Transmitting RFC2833 on payload " <<
|
|
atec.m_dynamicRTPPayloadType << endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void MyH323Connection::OnSetLocalCapabilities()
|
|
{
|
|
if (on_setcapabilities)
|
|
on_setcapabilities(GetCallReference(), (const char *)callToken);
|
|
}
|
|
|
|
BOOL MyH323Connection::OnReceivedCapabilitySet(const H323Capabilities & remoteCaps,
|
|
const H245_MultiplexCapability * muxCap,
|
|
H245_TerminalCapabilitySetReject & reject)
|
|
{
|
|
if (!H323Connection::OnReceivedCapabilitySet(remoteCaps, muxCap, reject)) {
|
|
return FALSE;
|
|
}
|
|
|
|
const H323Capability * cap = remoteCaps.FindCapability(H323_UserInputCapability::SubTypeNames[H323_UserInputCapability::SignalToneRFC2833]);
|
|
if (cap != NULL) {
|
|
RTP_DataFrame::PayloadTypes pt = ((H323_UserInputCapability*)cap)->GetPayloadType();
|
|
on_set_rfc2833_payload(GetCallReference(), (const char *)GetCallToken(), (int)pt);
|
|
if (h323debug) {
|
|
cout << "\t-- Inbound RFC2833 on payload " << pt << endl;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
H323Channel * MyH323Connection::CreateRealTimeLogicalChannel(const H323Capability & capability,
|
|
H323Channel::Directions dir,
|
|
unsigned sessionID,
|
|
const H245_H2250LogicalChannelParameters * /*param*/,
|
|
RTP_QOS * /*param*/ )
|
|
{
|
|
return new MyH323_ExternalRTPChannel(*this, capability, dir, sessionID);
|
|
}
|
|
|
|
/** This callback function is invoked once upon creation of each
|
|
* channel for an H323 session
|
|
*/
|
|
BOOL MyH323Connection::OnStartLogicalChannel(H323Channel & channel)
|
|
{
|
|
/* Increase the count of channels we have open */
|
|
channelsOpen++;
|
|
|
|
if (h323debug) {
|
|
cout << "\t-- Started logical channel: ";
|
|
cout << ((channel.GetDirection()==H323Channel::IsTransmitter)?"sending ":((channel.GetDirection()==H323Channel::IsReceiver)?"receiving ":" "));
|
|
cout << (const char *)(channel.GetCapability()).GetFormatName() << endl;
|
|
cout << "\t\t-- channelsOpen = " << channelsOpen << endl;
|
|
}
|
|
return connectionState != ShuttingDownConnection;
|
|
}
|
|
|
|
void MyH323Connection::SetCapabilities(int cap, int dtmfMode)
|
|
{
|
|
int g711Frames = 20;
|
|
// int gsmFrames = 4;
|
|
PINDEX lastcap = -1; /* last common capability index */
|
|
|
|
#if 0
|
|
if (cap & AST_FORMAT_SPEEX) {
|
|
/* Not real sure if Asterisk acutally supports all
|
|
of the various different bit rates so add them
|
|
all and figure it out later*/
|
|
|
|
localCapabilities.SetCapability(0, 0, new SpeexNarrow2AudioCapability());
|
|
localCapabilities.SetCapability(0, 0, new SpeexNarrow3AudioCapability());
|
|
localCapabilities.SetCapability(0, 0, new SpeexNarrow4AudioCapability());
|
|
localCapabilities.SetCapability(0, 0, new SpeexNarrow5AudioCapability());
|
|
localCapabilities.SetCapability(0, 0, new SpeexNarrow6AudioCapability());
|
|
}
|
|
#endif
|
|
if (cap & AST_FORMAT_G729A) {
|
|
AST_G729ACapability *g729aCap;
|
|
AST_G729Capability *g729Cap;
|
|
lastcap = localCapabilities.SetCapability(0, 0, g729aCap = new AST_G729ACapability);
|
|
lastcap = localCapabilities.SetCapability(0, 0, g729Cap = new AST_G729Capability);
|
|
}
|
|
|
|
if (cap & AST_FORMAT_G723_1) {
|
|
H323_G7231Capability *g7231Cap;
|
|
lastcap = localCapabilities.SetCapability(0, 0, g7231Cap = new H323_G7231Capability);
|
|
}
|
|
#if 0
|
|
if (cap & AST_FORMAT_GSM) {
|
|
H323_GSM0610Capability *gsmCap;
|
|
lastcap = localCapabilities.SetCapability(0, 0, gsmCap = new H323_GSM0610Capability);
|
|
gsmCap->SetTxFramesInPacket(gsmFrames);
|
|
}
|
|
#endif
|
|
if (cap & AST_FORMAT_ULAW) {
|
|
H323_G711Capability *g711uCap;
|
|
lastcap = localCapabilities.SetCapability(0, 0, g711uCap = new H323_G711Capability(H323_G711Capability::muLaw));
|
|
g711uCap->SetTxFramesInPacket(g711Frames);
|
|
}
|
|
|
|
if (cap & AST_FORMAT_ALAW) {
|
|
H323_G711Capability *g711aCap;
|
|
lastcap = localCapabilities.SetCapability(0, 0, g711aCap = new H323_G711Capability(H323_G711Capability::ALaw));
|
|
g711aCap->SetTxFramesInPacket(g711Frames);
|
|
}
|
|
|
|
lastcap++;
|
|
lastcap = localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::HookFlashH245));
|
|
|
|
lastcap++;
|
|
mode = dtmfMode;
|
|
if (dtmfMode == H323_DTMF_INBAND) {
|
|
localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneH245));
|
|
sendUserInputMode = SendUserInputAsTone;
|
|
} else {
|
|
localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneRFC2833));
|
|
sendUserInputMode = SendUserInputAsInlineRFC2833;
|
|
}
|
|
|
|
if (h323debug) {
|
|
cout << "Allowed Codecs:\n\t" << setprecision(2) << localCapabilities << endl;
|
|
}
|
|
}
|
|
|
|
/* MyH323_ExternalRTPChannel */
|
|
MyH323_ExternalRTPChannel::MyH323_ExternalRTPChannel(MyH323Connection & connection,
|
|
const H323Capability & capability,
|
|
Directions direction,
|
|
unsigned id)
|
|
: H323_ExternalRTPChannel::H323_ExternalRTPChannel(connection, capability, direction, id)
|
|
{
|
|
struct rtp_info *info;
|
|
|
|
/* Determine the Local (A side) IP Address and port */
|
|
info = on_external_rtp_create(connection.GetCallReference(), (const char *)connection.GetCallToken());
|
|
if (!info) {
|
|
cout << "\tERROR: on_external_rtp_create failure" << endl;
|
|
return;
|
|
} else {
|
|
localIpAddr = info->addr;
|
|
localPort = info->port;
|
|
/* tell the H.323 stack */
|
|
SetExternalAddress(H323TransportAddress(localIpAddr, localPort), H323TransportAddress(localIpAddr, localPort + 1));
|
|
/* clean up allocated memory */
|
|
free(info);
|
|
}
|
|
|
|
/* Get the payload code */
|
|
OpalMediaFormat format(capability.GetFormatName(), FALSE);
|
|
payloadCode = format.GetPayloadType();
|
|
}
|
|
|
|
MyH323_ExternalRTPChannel::~MyH323_ExternalRTPChannel()
|
|
{
|
|
if (h323debug) {
|
|
cout << "\tExternalRTPChannel Destroyed" << endl;
|
|
}
|
|
}
|
|
|
|
BOOL MyH323_ExternalRTPChannel::Start(void)
|
|
{
|
|
/* Call ancestor first */
|
|
if (!H323_ExternalRTPChannel::Start()) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (h323debug) {
|
|
cout << "\t\tExternal RTP Session Starting" << endl;
|
|
cout << "\t\tRTP channel id " << sessionID << " parameters:" << endl;
|
|
}
|
|
|
|
/* Collect the remote information */
|
|
H323_ExternalRTPChannel::GetRemoteAddress(remoteIpAddr, remotePort);
|
|
|
|
if (h323debug) {
|
|
cout << "\t\t-- remoteIpAddress: " << remoteIpAddr << endl;
|
|
cout << "\t\t-- remotePort: " << remotePort << endl;
|
|
cout << "\t\t-- ExternalIpAddress: " << localIpAddr << endl;
|
|
cout << "\t\t-- ExternalPort: " << localPort << endl;
|
|
}
|
|
/* Notify Asterisk of remote RTP information */
|
|
on_start_rtp_channel(connection.GetCallReference(), (const char *)remoteIpAddr.AsString(), remotePort,
|
|
(const char *)connection.GetCallToken(), (int)payloadCode);
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL MyH323_ExternalRTPChannel::OnReceivedAckPDU(const H245_H2250LogicalChannelAckParameters & param)
|
|
{
|
|
PIPSocket::Address remoteIpAddress;
|
|
WORD remotePort;
|
|
|
|
if (h323debug) {
|
|
cout << " MyH323_ExternalRTPChannel::OnReceivedAckPDU" << endl;
|
|
}
|
|
|
|
if (H323_ExternalRTPChannel::OnReceivedAckPDU(param)) {
|
|
GetRemoteAddress(remoteIpAddress, remotePort);
|
|
if (h323debug) {
|
|
cout << " -- remoteIpAddress: " << remoteIpAddress << endl;
|
|
cout << " -- remotePort: " << remotePort << endl;
|
|
}
|
|
on_start_rtp_channel(connection.GetCallReference(), (const char *)remoteIpAddress.AsString(),
|
|
remotePort, (const char *)connection.GetCallToken(), (int)payloadCode);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/** IMPLEMENTATION OF C FUNCTIONS */
|
|
|
|
/**
|
|
* The extern "C" directive takes care for
|
|
* the ANSI-C representation of linkable symbols
|
|
*/
|
|
|
|
extern "C" {
|
|
|
|
int h323_end_point_exist(void)
|
|
{
|
|
if (!endPoint) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void h323_end_point_create(void)
|
|
{
|
|
channelsOpen = 0;
|
|
logstream = new PAsteriskLog();
|
|
localProcess = new MyProcess();
|
|
localProcess->Main();
|
|
}
|
|
|
|
void h323_gk_urq(void)
|
|
{
|
|
if (!h323_end_point_exist()) {
|
|
cout << " ERROR: [h323_gk_urq] No Endpoint, this is bad" << endl;
|
|
return;
|
|
}
|
|
endPoint->RemoveGatekeeper();
|
|
}
|
|
|
|
void h323_debug(int flag, unsigned level)
|
|
{
|
|
if (flag) {
|
|
PTrace:: SetLevel(level);
|
|
} else {
|
|
PTrace:: SetLevel(0);
|
|
}
|
|
}
|
|
|
|
/** Installs the callback functions on behalf of the PBX application */
|
|
void h323_callback_register(setup_incoming_cb ifunc,
|
|
setup_outbound_cb sfunc,
|
|
on_rtp_cb rtpfunc,
|
|
start_rtp_cb lfunc,
|
|
clear_con_cb clfunc,
|
|
chan_ringing_cb rfunc,
|
|
con_established_cb efunc,
|
|
send_digit_cb dfunc,
|
|
answer_call_cb acfunc,
|
|
progress_cb pgfunc,
|
|
rfc2833_cb dtmffunc,
|
|
hangup_cb hangupfunc,
|
|
setcapabilities_cb capabilityfunc)
|
|
{
|
|
on_incoming_call = ifunc;
|
|
on_outgoing_call = sfunc;
|
|
on_external_rtp_create = rtpfunc;
|
|
on_start_rtp_channel = lfunc;
|
|
on_connection_cleared = clfunc;
|
|
on_chan_ringing = rfunc;
|
|
on_connection_established = efunc;
|
|
on_send_digit = dfunc;
|
|
on_answer_call = acfunc;
|
|
on_progress = pgfunc;
|
|
on_set_rfc2833_payload = dtmffunc;
|
|
on_hangup = hangupfunc;
|
|
on_setcapabilities = capabilityfunc;
|
|
}
|
|
|
|
/**
|
|
* Add capability to the capability table of the end point.
|
|
*/
|
|
int h323_set_capabilities(const char *token, int cap, int dtmfMode)
|
|
{
|
|
MyH323Connection *conn;
|
|
|
|
if (!h323_end_point_exist()) {
|
|
cout << " ERROR: [h323_set_capablities] No Endpoint, this is bad" << endl;
|
|
return 1;
|
|
}
|
|
if (!token || !*token) {
|
|
cout << " ERROR: [h323_set_capabilities] Invalid call token specified." << endl;
|
|
return 1;
|
|
}
|
|
|
|
PString myToken(token);
|
|
conn = (MyH323Connection *)endPoint->FindConnectionWithLock(myToken);
|
|
if (!conn) {
|
|
cout << " ERROR: [h323_set_capabilities] Unable to find connection " << token << endl;
|
|
return 1;
|
|
}
|
|
conn->SetCapabilities(cap, dtmfMode);
|
|
conn->Unlock();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/** Start the H.323 listener */
|
|
int h323_start_listener(int listenPort, struct sockaddr_in bindaddr)
|
|
{
|
|
|
|
if (!h323_end_point_exist()) {
|
|
cout << "ERROR: [h323_start_listener] No Endpoint, this is bad!" << endl;
|
|
return 1;
|
|
}
|
|
|
|
PIPSocket::Address interfaceAddress(bindaddr.sin_addr);
|
|
if (!listenPort) {
|
|
listenPort = 1720;
|
|
}
|
|
/** H.323 listener */
|
|
H323ListenerTCP *tcpListener;
|
|
tcpListener = new H323ListenerTCP(*endPoint, interfaceAddress, (WORD)listenPort);
|
|
if (!endPoint->StartListener(tcpListener)) {
|
|
cout << "ERROR: Could not open H.323 listener port on " << ((H323ListenerTCP *) tcpListener)->GetListenerPort() << endl;
|
|
delete tcpListener;
|
|
return 1;
|
|
|
|
}
|
|
cout << " == H.323 listener started" << endl;
|
|
return 0;
|
|
};
|
|
|
|
int h323_set_alias(struct oh323_alias *alias)
|
|
{
|
|
char *p;
|
|
char *num;
|
|
PString h323id(alias->name);
|
|
PString e164(alias->e164);
|
|
char *prefix;
|
|
|
|
if (!h323_end_point_exist()) {
|
|
cout << "ERROR: [h323_set_alias] No Endpoint, this is bad!" << endl;
|
|
return 1;
|
|
}
|
|
|
|
cout << "== Adding alias \"" << h323id << "\" to endpoint" << endl;
|
|
endPoint->AddAliasName(h323id);
|
|
endPoint->RemoveAliasName(localProcess->GetUserName());
|
|
|
|
if (!e164.IsEmpty()) {
|
|
cout << "== Adding E.164 \"" << e164 << "\" to endpoint" << endl;
|
|
endPoint->AddAliasName(e164);
|
|
}
|
|
if (strlen(alias->prefix)) {
|
|
p = prefix = strdup(alias->prefix);
|
|
while((num = strsep(&p, ",")) != (char *)NULL) {
|
|
cout << "== Adding Prefix \"" << num << "\" to endpoint" << endl;
|
|
endPoint->SupportedPrefixes += PString(num);
|
|
endPoint->SetGateway();
|
|
}
|
|
if (prefix)
|
|
free(prefix);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void h323_set_id(char *id)
|
|
{
|
|
PString h323id(id);
|
|
|
|
if (h323debug) {
|
|
cout << " == Using '" << h323id << "' as our H.323ID for this call" << endl;
|
|
}
|
|
/* EVIL HACK */
|
|
endPoint->SetLocalUserName(h323id);
|
|
}
|
|
|
|
void h323_show_tokens(void)
|
|
{
|
|
cout << "Current call tokens: " << setprecision(2) << endPoint->GetAllConnections() << endl;
|
|
}
|
|
|
|
/** Establish Gatekeeper communiations, if so configured,
|
|
* register aliases for the H.323 endpoint to respond to.
|
|
*/
|
|
int h323_set_gk(int gatekeeper_discover, char *gatekeeper, char *secret)
|
|
{
|
|
PString gkName = PString(gatekeeper);
|
|
PString pass = PString(secret);
|
|
H323TransportUDP *rasChannel;
|
|
|
|
if (!h323_end_point_exist()) {
|
|
cout << "ERROR: [h323_set_gk] No Endpoint, this is bad!" << endl;
|
|
return 1;
|
|
}
|
|
|
|
if (!gatekeeper) {
|
|
cout << "Error: Gatekeeper cannot be NULL" << endl;
|
|
return 1;
|
|
}
|
|
if (strlen(secret)) {
|
|
endPoint->SetGatekeeperPassword(pass);
|
|
}
|
|
if (gatekeeper_discover) {
|
|
/* discover the gk using multicast */
|
|
if (endPoint->DiscoverGatekeeper(new H323TransportUDP(*endPoint))) {
|
|
cout << "== Using " << (endPoint->GetGatekeeper())->GetName() << " as our Gatekeeper." << endl;
|
|
} else {
|
|
cout << "Warning: Could not find a gatekeeper." << endl;
|
|
return 1;
|
|
}
|
|
} else {
|
|
rasChannel = new H323TransportUDP(*endPoint);
|
|
|
|
if (!rasChannel) {
|
|
cout << "Error: No RAS Channel, this is bad" << endl;
|
|
return 1;
|
|
}
|
|
if (endPoint->SetGatekeeper(gkName, rasChannel)) {
|
|
cout << "== Using " << (endPoint->GetGatekeeper())->GetName() << " as our Gatekeeper." << endl;
|
|
} else {
|
|
cout << "Error registering with gatekeeper \"" << gkName << "\". " << endl;
|
|
/* XXX Maybe we should fire a new thread to attempt to re-register later and not kill asterisk here? */
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/** Send a DTMF tone over the H323Connection with the
|
|
* specified token.
|
|
*/
|
|
void h323_send_tone(const char *call_token, char tone)
|
|
{
|
|
if (!h323_end_point_exist()) {
|
|
cout << "ERROR: [h323_send_tone] No Endpoint, this is bad!" << endl;
|
|
return;
|
|
}
|
|
PString token = PString(call_token);
|
|
endPoint->SendUserTone(token, tone);
|
|
}
|
|
|
|
/** Make a call to the remote endpoint.
|
|
*/
|
|
int h323_make_call(char *dest, call_details_t *cd, call_options_t *call_options)
|
|
{
|
|
int res;
|
|
PString token;
|
|
PString host(dest);
|
|
|
|
if (!h323_end_point_exist()) {
|
|
return 1;
|
|
}
|
|
|
|
res = endPoint->MakeCall(host, token, &cd->call_reference, call_options);
|
|
memcpy((char *)(cd->call_token), (const unsigned char *)token, token.GetLength());
|
|
return res;
|
|
};
|
|
|
|
int h323_clear_call(const char *call_token, int cause)
|
|
{
|
|
H225_ReleaseCompleteReason dummy;
|
|
H323Connection::CallEndReason r = H323Connection::EndedByLocalUser;
|
|
MyH323Connection *connection;
|
|
const PString currentToken(call_token);
|
|
|
|
if (!h323_end_point_exist()) {
|
|
return 1;
|
|
}
|
|
|
|
if (cause) {
|
|
r = H323TranslateToCallEndReason((Q931::CauseValues)(cause), dummy);
|
|
}
|
|
|
|
connection = (MyH323Connection *)endPoint->FindConnectionWithLock(currentToken);
|
|
if (connection) {
|
|
connection->SetCause(cause);
|
|
connection->SetCallEndReason(r);
|
|
connection->Unlock();
|
|
}
|
|
endPoint->ClearCall(currentToken, r);
|
|
return 0;
|
|
};
|
|
|
|
/* Send Alerting PDU to H.323 caller */
|
|
int h323_send_alerting(const char *token)
|
|
{
|
|
const PString currentToken(token);
|
|
H323Connection * connection;
|
|
|
|
if (h323debug) {
|
|
cout << "\tSending alerting\n" << endl;
|
|
}
|
|
connection = endPoint->FindConnectionWithLock(currentToken);
|
|
if (!connection) {
|
|
cout << "No connection found for " << token << endl;
|
|
return -1;
|
|
}
|
|
connection->AnsweringCall(H323Connection::AnswerCallPending);
|
|
connection->Unlock();
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* Send Progress PDU to H.323 caller */
|
|
int h323_send_progress(const char *token)
|
|
{
|
|
const PString currentToken(token);
|
|
H323Connection * connection;
|
|
|
|
connection = endPoint->FindConnectionWithLock(currentToken);
|
|
if (!connection) {
|
|
cout << "No connection found for " << token << endl;
|
|
return -1;
|
|
}
|
|
connection->AnsweringCall(H323Connection::AnswerCallDeferredWithMedia);
|
|
connection->Unlock();
|
|
return 0;
|
|
}
|
|
|
|
/** This function tells the h.323 stack to either
|
|
answer or deny an incoming call */
|
|
int h323_answering_call(const char *token, int busy)
|
|
{
|
|
const PString currentToken(token);
|
|
H323Connection * connection;
|
|
|
|
connection = endPoint->FindConnectionWithLock(currentToken);
|
|
|
|
if (!connection) {
|
|
cout << "No connection found for " << token << endl;
|
|
return -1;
|
|
}
|
|
if (!busy) {
|
|
if (h323debug) {
|
|
cout << "\tAnswering call " << token << endl;
|
|
}
|
|
connection->AnsweringCall(H323Connection::AnswerCallNow);
|
|
} else {
|
|
if (h323debug) {
|
|
cout << "\tdenying call " << token << endl;
|
|
}
|
|
connection->AnsweringCall(H323Connection::AnswerCallDenied);
|
|
}
|
|
connection->Unlock();
|
|
return 0;
|
|
}
|
|
|
|
int h323_show_codec(int fd, int argc, char *argv[])
|
|
{
|
|
cout << "Allowed Codecs:\n\t" << setprecision(2) << endPoint->GetCapabilities() << endl;
|
|
return 0;
|
|
}
|
|
|
|
int h323_soft_hangup(const char *data)
|
|
{
|
|
PString token(data);
|
|
BOOL result;
|
|
cout << "Soft hangup" << endl;
|
|
result = endPoint->ClearCall(token);
|
|
return result;
|
|
}
|
|
|
|
/* alas, this doesn't work :( */
|
|
void h323_native_bridge(const char *token, const char *them, char *capability)
|
|
{
|
|
H323Channel *channel;
|
|
MyH323Connection *connection = (MyH323Connection *)endPoint->FindConnectionWithLock(token);
|
|
|
|
if (!connection) {
|
|
cout << "ERROR: No connection found, this is bad\n";
|
|
return;
|
|
}
|
|
|
|
cout << "Native Bridge: them [" << them << "]" << endl;
|
|
|
|
channel = connection->FindChannel(connection->sessionId, TRUE);
|
|
connection->bridging = TRUE;
|
|
connection->CloseLogicalChannelNumber(channel->GetNumber());
|
|
|
|
connection->Unlock();
|
|
return;
|
|
|
|
}
|
|
|
|
#undef cout
|
|
void h323_end_process(void)
|
|
{
|
|
if (endPoint) {
|
|
endPoint->ClearAllCalls();
|
|
endPoint->RemoveListener(NULL);
|
|
delete endPoint;
|
|
endPoint = NULL;
|
|
}
|
|
if (localProcess) {
|
|
delete localProcess;
|
|
localProcess = NULL;
|
|
}
|
|
PTrace::SetLevel(0);
|
|
PTrace::SetStream(&cout);
|
|
if (logstream) {
|
|
delete logstream;
|
|
logstream = NULL;
|
|
}
|
|
}
|
|
|
|
} /* extern "C" */
|
|
|