exosip针对UA是对osip进行扩展,oSIP不提供不论什么高速产生请求消息和响应消息的方法，全部请求消息和响应消息的形成必须调用一组sip message api来手动组装完毕,所以作者在osip上基础上开发了exosip,用exosip开发软电话非常方便,仅需几个API就能够完毕.exosip中附带一个样例:josua,只是josua相对复杂了点,以下给出一个最简单的样例供大家參考,由于样例实在太简单所以没有给出凝视,用到exosip的API的參数请參看exosip源码,看懂这个样例再研究josua就非常easy了.我使用的是osip 2.0.9+exosip 0.77.
#include "assert.h"#include <conio.h>#include <iostream>#include <osip2/osip_mt.h>#include <eXosip/eXosip.h>#include <eXosip/eXosip_cfg.h>
using namespace std;
class jcall;
class jcall {public: int cid; int did; char reason_phrase[50]; int status_code; char textinfo[256]; char req_uri[256]; char local_uri[256]; char remote_uri[256]; char subject[256]; char remote_sdp_audio_ip[50]; int remote_sdp_audio_port; int payload; char payload_name[50]; int state; jcall() {} int build(eXosip_event_t *je) { jcall *ca = this; ca->cid = je->cid; ca->did = je->did; if (ca->did<1 && ca->cid<1) { assert(0); return -1; /* not enough information for this event?? */ } osip_strncpy(ca->textinfo, je->textinfo, 255); osip_strncpy(ca->req_uri, je->req_uri, 255); osip_strncpy(ca->local_uri, je->local_uri, 255); osip_strncpy(ca->remote_uri, je->remote_uri, 255); osip_strncpy(ca->subject, je->subject, 255); if (ca->remote_sdp_audio_ip[0]=='/0') { osip_strncpy(ca->remote_sdp_audio_ip, je->remote_sdp_audio_ip, 49); ca->remote_sdp_audio_port = je->remote_sdp_audio_port; ca->payload = je->payload; osip_strncpy(ca->payload_name, je->payload_name, 49); } if (je->reason_phrase[0]!='/0') { osip_strncpy(ca->reason_phrase, je->reason_phrase, 49); ca->status_code = je->status_code; } ca->state = je->type; return 0; } };
jcall call;
void __exit( int r ){ char line[256]; gets( line ); exit( r );}
void josua_printf(char* buf){ printf( "/n" );}
int josua_event_get(){ int counter =0; /* use events to print some info */ eXosip_event_t *je; for (;;) { char buf[100]; je = eXosip_event_wait(0,50); if (je==NULL) break; counter++; if (je->type==EXOSIP_CALL_NEW) { printf( "<- (%i %i) INVITE from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); call.build(je); } else if (je->type==EXOSIP_CALL_ANSWERED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_PROCEEDING) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_RINGING) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_REDIRECTED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_REQUESTFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_SERVERFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_GLOBALFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_CLOSED) { printf( "<- (%i %i) BYE from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_HOLD) { printf( "<- (%i %i) INVITE (On Hold) from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_CALL_OFFHOLD) { printf( "<- (%i %i) INVITE (Off Hold) from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_REGISTRATION_SUCCESS) { printf( "<- (%i) [%i %s] %s for REGISTER %s", je->rid, je->status_code, je->reason_phrase, je->remote_uri, je->req_uri); josua_printf(buf); } else if (je->type==EXOSIP_REGISTRATION_FAILURE) { printf( "<- (%i) [%i %s] %s for REGISTER %s", je->rid, je->status_code, je->reason_phrase, je->remote_uri, je->req_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_NEW) { printf( "<- (%i %i) OPTIONS from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_ANSWERED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_PROCEEDING) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_REDIRECTED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_REQUESTFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_SERVERFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_OPTIONS_GLOBALFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_NEW) { printf( "<- (%i %i) INFO from: %s", je->cid, je->did, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_ANSWERED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_PROCEEDING) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_REDIRECTED) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_REQUESTFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_SERVERFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_INFO_GLOBALFAILURE) { printf( "<- (%i %i) [%i %s] %s", je->cid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_ANSWERED) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); printf( "<- (%i %i) online=%i [status: %i reason:%i]", je->sid, je->did, je->online_status, je->ss_status, je->ss_reason); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_PROCEEDING) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_REDIRECTED) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_REQUESTFAILURE) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_SERVERFAILURE) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_GLOBALFAILURE) { printf( "<- (%i %i) [%i %s] %s for SUBSCRIBE", je->sid, je->did, je->status_code, je->reason_phrase, je->remote_uri); josua_printf(buf); } else if (je->type==EXOSIP_SUBSCRIPTION_NOTIFY) { printf( "<- (%i %i) NOTIFY from: %s", je->sid, je->did, je->remote_uri); josua_printf(buf); printf( "<- (%i %i) online=%i [status: %i reason:%i]", je->sid, je->did, je->online_status, je->ss_status, je->ss_reason); josua_printf(buf); } else if (je->type==EXOSIP_IN_SUBSCRIPTION_NEW) { printf( "<- (%i %i) SUBSCRIBE from: %s", je->nid, je->did, je->remote_uri); josua_printf(buf); /* search for the user to see if he has been previously accepted or not! */ eXosip_notify(je->did, EXOSIP_SUBCRSTATE_PENDING, EXOSIP_NOTIFY_AWAY); } else if (je->textinfo[0]!='/0') { printf( "(%i %i %i %i) %s", je->cid, je->sid, je->nid, je->did, je->textinfo); josua_printf(buf); } eXosip_event_free(je); } if (counter>0) return 0; return -1;}
int main(int argc, char* argv[]){ int i; memset( &call, 0, sizeof(call) ); cout << "Usage:"<< endl; cout << "a - answering call"<< endl; cout << "h - hangup"<< endl; cout << "r - ringing"<< endl; cout << "c - call"<< endl; cout << "q - quit"<< endl; FILE* logfile = fopen( "logfile.txt", "w"); // osip_trace_initialize( (_trace_level)0, logfile ); // osip_trace_initialize( (_trace_level)8, stdout ); i = eXosip_init(stdin, stdout, 5060); if (i!=0) { fprintf (stderr, "test: could not initialize eXosip/n"); __exit(0); } eXosip_sdp_negotiation_remove_audio_payloads(); eXosip_sdp_negotiation_add_codec(osip_strdup("0"), NULL, osip_strdup("RTP/AVP"), NULL, NULL, NULL, NULL,NULL, osip_strdup("0 PCMU/8000")); eXosip_sdp_negotiation_add_codec(osip_strdup("8"), NULL, osip_strdup("RTP/AVP"), NULL, NULL, NULL, NULL,NULL, osip_strdup("8 PCMA/8000")); /* register callbacks? */ eXosip_set_mode(EVENT_MODE); osip_message_t *invite; i = eXosip_build_initial_invite(&invite, "sip:192.168.197.5:5060", //被叫对IP "sip:192.168.197.254:5060", //自己IP NULL, "oSIP phone"); if (i!=0) { fprintf (stderr, "eXosip_build_initial_invite failed/n"); __exit(0); } cout << "oSIP>"; bool run = true; while( run ) { josua_event_get(); if ( _kbhit() ) { switch ( _getch() ) { case 'a': cout << "answer"<< endl; eXosip_lock(); eXosip_answer_call(call.did, 200, 0); eXosip_unlock(); break; case 'h': cout << "hangup"<< endl; eXosip_lock(); eXosip_terminate_call( call.cid, call.did ); eXosip_unlock(); break; case 'r': cout << "ringing"<< endl; eXosip_lock(); eXosip_answer_call(call.did, 180, 0); eXosip_unlock(); break; case 'c': cout << "call"<< endl; eXosip_lock(); eXosip_initiate_call(invite, NULL, NULL, "10500"); eXosip_unlock(); break; case 'q': cout << "quit"<< endl; run = false; break; default : cout << "/noSIP>"; } } } return 0;}
转载于:https://www.cnblogs.com/bhlsheji/p/4003042.html
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