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一个基于exosip的软电话例子

王朝other·作者佚名  2006-01-09
窄屏简体版  字體: 小|中|大|超大  

一个基于exosip的软电话例子

转贴自：http://www.coolboysky.com/oblog/more.asp?name=tucket&id=72

http://blog.csdn.net/wffy

由于这两个地方都有。

exosip针对UA是对osip进行扩展,oSIP不提供任何快速产生请求消息和响应消息的方法，所有请求消息和响应消息的形成必须调用一组sip message api来手动组装完成,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就可以完成.exosip中附带一个例子:josua,不过josua相对复杂了点,下面给出一个最简单的例子供大家参考,因为例子实在太简单所以没有给出注释,用到exosip的API的参数请参看exosip源代码,看懂这个例子再研究josua就很简单了.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;

}

 
 
 
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