VZTECH / Mbed 2 deprecated main_src

Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

sip.cpp@25:2cf5e8dd4035, 2014-09-22 (annotated)

Committer:
klauss
Date:
Mon Sep 22 14:43:46 2014 +0000
Revision:
25:2cf5e8dd4035
Parent:
18:01a93677e40c
Child:
27:98f824719d1c
- inclusao do tratamento de ligacao busy; - atualizacao do help do prompt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "sip.h"
klauss 0:4d17cd9c8f9d 2 #include "utils.h"
klauss 0:4d17cd9c8f9d 3
klauss 0:4d17cd9c8f9d 4 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 5 sip_server.set_address( this->server_ip , this->server_port );
klauss 0:4d17cd9c8f9d 6 sock.set_blocking( false, 1 ); // verificar isso com mais cuidado depois
klauss 0:4d17cd9c8f9d 7 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 8 sock.init();
klauss 0:4d17cd9c8f9d 9 }
klauss 0:4d17cd9c8f9d 10
klauss 0:4d17cd9c8f9d 11 void Sip::__end_sock__(){
klauss 0:4d17cd9c8f9d 12 sock.close();
klauss 0:4d17cd9c8f9d 13 }
klauss 0:4d17cd9c8f9d 14
klauss 0:4d17cd9c8f9d 15 Sip::Sip( char * server_ip, int server_port, char * my_ip, int my_port, int my_ext, int peer_ext, int id ){
klauss 0:4d17cd9c8f9d 16 this->id = id;
klauss 0:4d17cd9c8f9d 17 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 18 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 19 this->server_port = server_port;
klauss 0:4d17cd9c8f9d 20 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 21 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 22 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 23 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 24 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 25 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 26 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 27
klauss 0:4d17cd9c8f9d 28 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 29 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 30 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 31 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 32 status = sip_idle;
klauss 0:4d17cd9c8f9d 33
klauss 0:4d17cd9c8f9d 34 __init_sock__();
klauss 0:4d17cd9c8f9d 35 }
klauss 0:4d17cd9c8f9d 36
klauss 0:4d17cd9c8f9d 37 Sip::Sip(){
klauss 0:4d17cd9c8f9d 38 this->id = __MY_EXT__;
klauss 0:4d17cd9c8f9d 39 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 40 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 41 this->server_port = __SERVER_PORT__;
klauss 0:4d17cd9c8f9d 42 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 0:4d17cd9c8f9d 43 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 44 this->my_port = __MY_PORT__;
klauss 0:4d17cd9c8f9d 45 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 46 this->my_ext = __MY_EXT__;
klauss 0:4d17cd9c8f9d 47 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 48 this->peer_ext = __PEER_EXT__;
klauss 0:4d17cd9c8f9d 49
klauss 0:4d17cd9c8f9d 50 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 51 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 52 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 53 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 54 status = sip_idle;
klauss 0:4d17cd9c8f9d 55
klauss 0:4d17cd9c8f9d 56 __init_sock__();
klauss 0:4d17cd9c8f9d 57 }
klauss 0:4d17cd9c8f9d 58
klauss 0:4d17cd9c8f9d 59 Sip::Sip( int id, uint16_t my_port ){
klauss 0:4d17cd9c8f9d 60 this->id = id;
klauss 0:4d17cd9c8f9d 61 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 62 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 63 this->server_port = __SERVER_PORT__;
klauss 0:4d17cd9c8f9d 64 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 0:4d17cd9c8f9d 65 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 66 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 67 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 68 this->my_ext = id;
klauss 0:4d17cd9c8f9d 69 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 70 this->peer_ext = __PEER_EXT__;
klauss 0:4d17cd9c8f9d 71
klauss 0:4d17cd9c8f9d 72 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 73 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 74 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 75 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 76 status = sip_idle;
klauss 0:4d17cd9c8f9d 77
klauss 0:4d17cd9c8f9d 78 __init_sock__();
klauss 0:4d17cd9c8f9d 79 }
klauss 0:4d17cd9c8f9d 80
klauss 0:4d17cd9c8f9d 81 Sip::Sip( int id, uint16_t my_port, int dest_ext ){
klauss 0:4d17cd9c8f9d 82 this->id = id;
klauss 0:4d17cd9c8f9d 83 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 84 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 85 this->server_port = __SERVER_PORT__;
klauss 0:4d17cd9c8f9d 86 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 0:4d17cd9c8f9d 87 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 88 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 89 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 90 this->my_ext = id;
klauss 0:4d17cd9c8f9d 91 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 92 this->peer_ext = dest_ext;
klauss 0:4d17cd9c8f9d 93
klauss 0:4d17cd9c8f9d 94 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 95 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 96 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 97 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 98 status = sip_idle;
klauss 0:4d17cd9c8f9d 99
klauss 0:4d17cd9c8f9d 100 __init_sock__();
klauss 0:4d17cd9c8f9d 101 }
klauss 0:4d17cd9c8f9d 102
klauss 0:4d17cd9c8f9d 103 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 104 __end_sock__();
klauss 0:4d17cd9c8f9d 105 }
klauss 0:4d17cd9c8f9d 106
klauss 0:4d17cd9c8f9d 107 void Sip::registry(){
klauss 13:ae278302dffe 108 char out[ 1000 ];
klauss 4:de46f0d9b14d 109 debug_msg("registrando -- %d", this->my_ext );
klauss 0:4d17cd9c8f9d 110 build_registry_package( buffer );
klauss 13:ae278302dffe 111 int sent = sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 112 sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 9:ffa64f38ef9c 113 debug_msg(" Recebidos %d bytes para o o ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 114 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 115 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 116 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 13:ae278302dffe 117 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 118 build_reply_package( ans, (unsigned char*)buffer );
klauss 0:4d17cd9c8f9d 119 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 0:4d17cd9c8f9d 120 }
klauss 0:4d17cd9c8f9d 121 }
klauss 0:4d17cd9c8f9d 122 }
klauss 14:22a35f575502 123 debug_msg("");
klauss 0:4d17cd9c8f9d 124 }
klauss 0:4d17cd9c8f9d 125
klauss 0:4d17cd9c8f9d 126 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 127 Timer t;
klauss 0:4d17cd9c8f9d 128 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 129 itoa( get_id(), callbox_string, 10 );
klauss 0:4d17cd9c8f9d 130
klauss 14:22a35f575502 131 if( status != sip_on_call ){
klauss 14:22a35f575502 132 set_status(status, sip_waiting_trying );
klauss 14:22a35f575502 133 }
klauss 0:4d17cd9c8f9d 134
klauss 0:4d17cd9c8f9d 135 else return( NULL );
klauss 0:4d17cd9c8f9d 136
klauss 0:4d17cd9c8f9d 137 int cseq = 0;
klauss 0:4d17cd9c8f9d 138
klauss 0:4d17cd9c8f9d 139 build_invite_package( buffer, callbox_string, &cseq );
klauss 0:4d17cd9c8f9d 140 sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 141
klauss 0:4d17cd9c8f9d 142 debug_msg( "Inicio do invite" );
klauss 0:4d17cd9c8f9d 143 debug_msg( "Sip::status::%d", status );
klauss 0:4d17cd9c8f9d 144 t.start();
klauss 0:4d17cd9c8f9d 145
klauss 0:4d17cd9c8f9d 146 sock.set_blocking( false, 5 );
klauss 0:4d17cd9c8f9d 147
klauss 0:4d17cd9c8f9d 148 int loop_times = 0;
klauss 0:4d17cd9c8f9d 149 int received_loop_times = 0;
klauss 0:4d17cd9c8f9d 150 Timer reconnect;
klauss 0:4d17cd9c8f9d 151 reconnect.start();
klauss 0:4d17cd9c8f9d 152 static int id_ = 0;
klauss 0:4d17cd9c8f9d 153 int length = 0;
klauss 3:cd9148672e25 154 bool waiting = false;
klauss 3:cd9148672e25 155
klauss 3:cd9148672e25 156 VZ_call * call = NULL;
klauss 0:4d17cd9c8f9d 157 while( t.read() < __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 158 loop_times++;
klauss 4:de46f0d9b14d 159 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 160 if( length > 0 ){
klauss 0:4d17cd9c8f9d 161 reconnect.reset();
klauss 0:4d17cd9c8f9d 162 debug_msg("Pacotes recebidos :: %d", id_ );
klauss 4:de46f0d9b14d 163 buffer[ length ] = 0;
klauss 0:4d17cd9c8f9d 164 received_loop_times++;
klauss 0:4d17cd9c8f9d 165 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 166 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 0:4d17cd9c8f9d 167 // tratar depois o esquema do Cseq ::
klauss 0:4d17cd9c8f9d 168 debug_msg( "Cseq == %d", cseq );
klauss 0:4d17cd9c8f9d 169 set_status(status, sip_on_call);
klauss 4:de46f0d9b14d 170 char *ref = strstr( buffer, "audio" );
klauss 0:4d17cd9c8f9d 171 debug_msg("ok");
klauss 0:4d17cd9c8f9d 172 if( ref != NULL ){
klauss 0:4d17cd9c8f9d 173 ref += 6; // audio
klauss 0:4d17cd9c8f9d 174 ref = strtok( ref, " ");
klauss 3:cd9148672e25 175 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 13:ae278302dffe 176 char ans[ 1024 ];
klauss 4:de46f0d9b14d 177 build_ack_package( ans, ( unsigned char *)buffer );
klauss 0:4d17cd9c8f9d 178 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 1:a1758104fa1d 179 debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 180 set_status( status, sip_on_call );
klauss 0:4d17cd9c8f9d 181 return( call );
klauss 0:4d17cd9c8f9d 182 }
klauss 0:4d17cd9c8f9d 183 }
klauss 0:4d17cd9c8f9d 184 }
klauss 3:cd9148672e25 185 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 25:2cf5e8dd4035 186 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 25:2cf5e8dd4035 187 debug_msg("Busy Here");
klauss 25:2cf5e8dd4035 188 send_bye();
klauss 25:2cf5e8dd4035 189 delete( call );
klauss 25:2cf5e8dd4035 190 set_status( status, sip_busy );
klauss 25:2cf5e8dd4035 191 return( NULL );
klauss 25:2cf5e8dd4035 192 }
klauss 25:2cf5e8dd4035 193 }
klauss 25:2cf5e8dd4035 194 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 195 if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 3:cd9148672e25 196 debug_msg( "Trocando dados de audio -- musica de espera com o CBx" );
klauss 4:de46f0d9b14d 197 char *ref = strstr( buffer, "audio" );
klauss 3:cd9148672e25 198 if( ref != NULL ){
klauss 3:cd9148672e25 199 ref += 6; // audio
klauss 3:cd9148672e25 200 ref = strtok( ref, " ");
klauss 3:cd9148672e25 201 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 3:cd9148672e25 202 waiting = true;
klauss 3:cd9148672e25 203 }
klauss 3:cd9148672e25 204 }
klauss 3:cd9148672e25 205 }
klauss 0:4d17cd9c8f9d 206 if( status == sip_trying ){
klauss 4:de46f0d9b14d 207 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 0:4d17cd9c8f9d 208 debug_msg("ringing");
klauss 0:4d17cd9c8f9d 209 t.reset();
klauss 0:4d17cd9c8f9d 210 set_status( status, sip_ringing );
klauss 0:4d17cd9c8f9d 211 }
klauss 0:4d17cd9c8f9d 212 }
klauss 0:4d17cd9c8f9d 213 if( status == sip_waiting_trying ){
klauss 4:de46f0d9b14d 214 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 0:4d17cd9c8f9d 215 debug_msg("trying")
klauss 0:4d17cd9c8f9d 216 t.reset();
klauss 0:4d17cd9c8f9d 217 set_status( status, sip_trying );
klauss 0:4d17cd9c8f9d 218 }
klauss 0:4d17cd9c8f9d 219 }
klauss 0:4d17cd9c8f9d 220 }else if( reconnect.read() > 4 ){
klauss 0:4d17cd9c8f9d 221 sock.close();
klauss 0:4d17cd9c8f9d 222 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 223 sock.init();
klauss 0:4d17cd9c8f9d 224 sock.set_blocking( false, 1 );
klauss 0:4d17cd9c8f9d 225 debug_msg("Reconnect");
klauss 0:4d17cd9c8f9d 226 reconnect.reset();
klauss 0:4d17cd9c8f9d 227 //sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 228 led4 = !led4;
klauss 0:4d17cd9c8f9d 229 }
klauss 3:cd9148672e25 230 if( waiting == true ){
klauss 3:cd9148672e25 231 char * tmp = call->get_eth_message( &length );
klauss 3:cd9148672e25 232 if( tmp != NULL ){
klauss 3:cd9148672e25 233 uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__,
klauss 3:cd9148672e25 234 tmp, __AUDIO__, length, (uint8_t *)buffer );
klauss 3:cd9148672e25 235 __send_to_cb__( pkg2cb );
klauss 3:cd9148672e25 236 }
klauss 3:cd9148672e25 237 }
klauss 0:4d17cd9c8f9d 238 }
klauss 0:4d17cd9c8f9d 239
klauss 0:4d17cd9c8f9d 240 debug_msg("Call nao alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 241 if( t.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 242 set_status(status, sip_denied);
klauss 14:22a35f575502 243 send_bye();
klauss 0:4d17cd9c8f9d 244 }
klauss 3:cd9148672e25 245 delete( call );
klauss 0:4d17cd9c8f9d 246 return( NULL );
klauss 0:4d17cd9c8f9d 247 }
klauss 0:4d17cd9c8f9d 248
klauss 0:4d17cd9c8f9d 249 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 250 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 251 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 252 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 253 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 254 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 255 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 256 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 257 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 258 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 259 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 260 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 261 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 262 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 263 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 264 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 265 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 266 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 267 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 268 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 269 strcat( buffer, "\r\nFrom: " );
klauss 4:de46f0d9b14d 270 // mudar isso aqui pra algo mais compreensivel pra cc
klauss 0:4d17cd9c8f9d 271 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 272 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 273 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 274 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 275 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 276 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 277 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 278 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 279 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 280 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 281 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 282 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 283 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 284 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 285 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 286 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 287 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 288 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 289 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 290 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 291 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 292 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 293 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 294 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 295 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 296 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 297 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 298 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 299 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 300 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 301 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 302 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 303
klauss 0:4d17cd9c8f9d 304 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 305 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 306 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 307 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 308 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 309 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 310 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 311 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 312 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 314 strcat( buffer, ">;expires=120" );
klauss 0:4d17cd9c8f9d 315 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 316 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 317 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 318
klauss 0:4d17cd9c8f9d 319 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 320 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 321 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 322 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 323 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 324 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 325 return buffer;
klauss 0:4d17cd9c8f9d 326 }
klauss 0:4d17cd9c8f9d 327
klauss 0:4d17cd9c8f9d 328 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 329 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 330 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 331 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 332 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 333 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 334 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 335 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 336 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 337 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 338
klauss 0:4d17cd9c8f9d 339 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 340 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 341
klauss 0:4d17cd9c8f9d 342 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 343 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 344 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 345 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 346 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 347 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 348 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 349 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 350 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 351 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 352 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 353 strcat( header, "." );
klauss 0:4d17cd9c8f9d 354 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 355 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 356 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 357 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 358 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 359 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 360 strcat( header, "." );
klauss 0:4d17cd9c8f9d 361 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 362 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 363 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 364 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 365 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 366 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 367 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 368 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 369 strcat( header, branch );
klauss 0:4d17cd9c8f9d 370 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 371 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 372 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 373 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 374 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 375 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 376 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 377 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 378 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 379 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 380 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 381 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 382 strcat( header, tag );
klauss 0:4d17cd9c8f9d 383 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 384 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 385 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 386 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 387 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 388 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 389 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 390 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 391 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 392 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 393 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 394 strcat( header, callid );
klauss 0:4d17cd9c8f9d 395 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 396 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 397 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 398 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 399 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 400 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 401 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 402 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 403 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 404 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 405 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 406 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 407 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 408 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 409 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 410 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 411 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 412 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 413 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 414 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 415 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 416 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 417 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 418 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 419 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 420 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 421 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 422 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 423 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 424 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 425 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 426 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 427 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 428 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 429
klauss 0:4d17cd9c8f9d 430 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 431 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 432 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 433 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 434 strcat( body, " " );
klauss 0:4d17cd9c8f9d 435 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 436 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 437 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 438 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 439 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 440 strcat( body, " " );
klauss 0:4d17cd9c8f9d 441 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 442 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 443 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 444 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 445 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 446 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 447 strcat( body, " " );
klauss 0:4d17cd9c8f9d 448 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 449 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 450 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 451 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 452 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 453 strcat( body, " " );
klauss 0:4d17cd9c8f9d 454 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 455 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 456 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 457 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 458 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 459 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 460 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 461 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 462 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 463 strcat( body, " " );
klauss 0:4d17cd9c8f9d 464 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 465 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 466 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 467 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 468 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 469 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 470 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 471 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 472 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 473 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 474 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 475 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 476 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 477 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 478 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 479 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 480 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 481 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 482 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 483 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 484 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 485 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 486 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 487 strcat( body, " " );
klauss 0:4d17cd9c8f9d 488 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 489 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 490 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 491 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 492 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 493 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 494
klauss 0:4d17cd9c8f9d 495 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 496 return( pkg );
klauss 0:4d17cd9c8f9d 497 }
klauss 0:4d17cd9c8f9d 498
klauss 0:4d17cd9c8f9d 499 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 500 int size;
klauss 0:4d17cd9c8f9d 501 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 502 size = strlen( body );
klauss 0:4d17cd9c8f9d 503 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 504 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 505 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 506 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 507 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 508 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 509 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 510 return pkg;
klauss 0:4d17cd9c8f9d 511 }
klauss 0:4d17cd9c8f9d 512
klauss 0:4d17cd9c8f9d 513 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 514 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 515 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 516 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 517 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 518 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 519
klauss 0:4d17cd9c8f9d 520 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 521 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 522 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 523 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 524 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 525 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 526 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 527 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 528 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 529 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 530 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 531 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 532 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 533 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 534 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 535 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 536 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 537 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 538 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 539 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 540 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 541 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 542 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 543 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 544 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 545 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 546 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 547 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 548 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 549 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 550 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 551 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 552 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 553 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 554 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 555 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 556 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 557 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 558 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 559 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 560 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 561 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 562 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 563 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 564 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 565 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 566 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 567 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 568 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 569 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 570 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 571 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 572 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 573 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 574 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 575 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 576 return( buffer );
klauss 0:4d17cd9c8f9d 577 }
klauss 0:4d17cd9c8f9d 578 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 579 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 580 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 581 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 582 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 583 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 584 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 585 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 586 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 587 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 588 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 589 return NULL;
klauss 0:4d17cd9c8f9d 590 }
klauss 0:4d17cd9c8f9d 591 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 592 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 593 return NULL;
klauss 0:4d17cd9c8f9d 594 }
klauss 0:4d17cd9c8f9d 595 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 596 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 597 return NULL;
klauss 0:4d17cd9c8f9d 598 }
klauss 0:4d17cd9c8f9d 599 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 600 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 601
klauss 0:4d17cd9c8f9d 602 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 603 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 604 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 605 }
klauss 0:4d17cd9c8f9d 606 }
klauss 0:4d17cd9c8f9d 607 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 608 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 611 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 613 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 615 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 616 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 617 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 619 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 622 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 630 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 631 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 633 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 634 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 635 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 636 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 637 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 638 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 641 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 642 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 643 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 644 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 645 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 646 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 647 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 649 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 650 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 651 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 652 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 653 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 654 return( buffer );
klauss 0:4d17cd9c8f9d 655 }
klauss 0:4d17cd9c8f9d 656
klauss 0:4d17cd9c8f9d 657 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 658 char a[32];
klauss 0:4d17cd9c8f9d 659 int i = 0, j;
klauss 0:4d17cd9c8f9d 660 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 661 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 662 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 663 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 664 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 665 j = i+i;
klauss 0:4d17cd9c8f9d 666 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 667 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 668 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 669 }
klauss 0:4d17cd9c8f9d 670
klauss 0:4d17cd9c8f9d 671 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 672 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 673 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 674 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 675 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 676 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 677
klauss 0:4d17cd9c8f9d 678 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 679 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 680 return NULL;
klauss 0:4d17cd9c8f9d 681 }
klauss 0:4d17cd9c8f9d 682 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 683 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 684 return NULL;
klauss 0:4d17cd9c8f9d 685 }
klauss 0:4d17cd9c8f9d 686 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 687 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 688 return NULL;
klauss 0:4d17cd9c8f9d 689 }
klauss 0:4d17cd9c8f9d 690 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 691 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 692 return NULL;
klauss 0:4d17cd9c8f9d 693 }
klauss 0:4d17cd9c8f9d 694 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 695 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 696 return NULL;
klauss 0:4d17cd9c8f9d 697 }
klauss 0:4d17cd9c8f9d 698
klauss 0:4d17cd9c8f9d 699 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 700 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 701 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 702 }
klauss 0:4d17cd9c8f9d 703 }
klauss 0:4d17cd9c8f9d 704
klauss 0:4d17cd9c8f9d 705 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 706 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 707 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 708 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 709 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 710 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 711 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 712 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 713 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 714 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 715 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 716 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 717 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 718 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 719 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 720 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 721 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 722 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 723 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 724 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 725 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 726 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 727 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 728 return( buffer );
klauss 0:4d17cd9c8f9d 729 }
klauss 0:4d17cd9c8f9d 730 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 731 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 732 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 733 return( buffer );
klauss 0:4d17cd9c8f9d 734 }
klauss 0:4d17cd9c8f9d 735
klauss 0:4d17cd9c8f9d 736 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 737 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 738 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 739 return( buffer );
klauss 0:4d17cd9c8f9d 740 }
klauss 0:4d17cd9c8f9d 741 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 742 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 743 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 744 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 745 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 746 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 747 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 748
klauss 0:4d17cd9c8f9d 749 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 750 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 751 return NULL;
klauss 0:4d17cd9c8f9d 752 }
klauss 0:4d17cd9c8f9d 753 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 754 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 755 return NULL;
klauss 0:4d17cd9c8f9d 756 }
klauss 0:4d17cd9c8f9d 757 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 758 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 759 return NULL;
klauss 0:4d17cd9c8f9d 760 }
klauss 0:4d17cd9c8f9d 761 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 762 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 763 return NULL;
klauss 0:4d17cd9c8f9d 764 }
klauss 0:4d17cd9c8f9d 765 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 766 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 767 return NULL;
klauss 0:4d17cd9c8f9d 768 }
klauss 0:4d17cd9c8f9d 769
klauss 0:4d17cd9c8f9d 770 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 771 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 772 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 773 }
klauss 0:4d17cd9c8f9d 774 }
klauss 0:4d17cd9c8f9d 775 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 776
klauss 0:4d17cd9c8f9d 777 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 778 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 779 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 780 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 781 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 782 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 783
klauss 0:4d17cd9c8f9d 784 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 785 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 786 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 787
klauss 0:4d17cd9c8f9d 788 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 789 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 790 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 791
klauss 0:4d17cd9c8f9d 792 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 793 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 794 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 795
klauss 0:4d17cd9c8f9d 796 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 797 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 798 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 799
klauss 0:4d17cd9c8f9d 800 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 801 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 802 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 803 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 804 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 805 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 806
klauss 0:4d17cd9c8f9d 807 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 808 return( buffer );
klauss 0:4d17cd9c8f9d 809 }
klauss 0:4d17cd9c8f9d 810 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 811 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 812 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 813 return( buffer );
klauss 0:4d17cd9c8f9d 814 }
klauss 0:4d17cd9c8f9d 815
klauss 0:4d17cd9c8f9d 816 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 817 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 818 seed += 1;
klauss 0:4d17cd9c8f9d 819 srand( seed );
klauss 0:4d17cd9c8f9d 820
klauss 0:4d17cd9c8f9d 821 int i;
klauss 0:4d17cd9c8f9d 822 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 823 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 824 }
klauss 0:4d17cd9c8f9d 825 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 826 return( buffer );
klauss 0:4d17cd9c8f9d 827 }
klauss 0:4d17cd9c8f9d 828
klauss 0:4d17cd9c8f9d 829 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 830 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 831 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 832 /* initial value, random number */
klauss 0:4d17cd9c8f9d 833 cseq = rand();
klauss 0:4d17cd9c8f9d 834 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 835 }
klauss 0:4d17cd9c8f9d 836 cseq++;
klauss 0:4d17cd9c8f9d 837 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 838 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 839 return cseq;
klauss 0:4d17cd9c8f9d 840 }
klauss 0:4d17cd9c8f9d 841
klauss 0:4d17cd9c8f9d 842 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 843 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 844 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 845 int i = 0;
klauss 0:4d17cd9c8f9d 846 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 847 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 848 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 849 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 850 } else {
klauss 0:4d17cd9c8f9d 851 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 852 }
klauss 0:4d17cd9c8f9d 853 return( cseq );
klauss 0:4d17cd9c8f9d 854 }
klauss 0:4d17cd9c8f9d 855
klauss 0:4d17cd9c8f9d 856 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 857 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 858 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 859 int i = 0;
klauss 0:4d17cd9c8f9d 860 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 861 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 862 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 863 } else {
klauss 0:4d17cd9c8f9d 864 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 865 }
klauss 0:4d17cd9c8f9d 866 return( branch );
klauss 0:4d17cd9c8f9d 867 }
klauss 0:4d17cd9c8f9d 868 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 869 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 870 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 871 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 872 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 873 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 874 char * s;
klauss 0:4d17cd9c8f9d 875 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 876 register int j = 0;
klauss 0:4d17cd9c8f9d 877 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 878 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 879 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 880 return 1; // found
klauss 0:4d17cd9c8f9d 881 }
klauss 0:4d17cd9c8f9d 882 }
klauss 0:4d17cd9c8f9d 883 return 0; // not found
klauss 0:4d17cd9c8f9d 884 }
klauss 0:4d17cd9c8f9d 885
klauss 0:4d17cd9c8f9d 886 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 887 return this->id;
klauss 0:4d17cd9c8f9d 888 }
klauss 0:4d17cd9c8f9d 889 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 890 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 891 }
klauss 0:4d17cd9c8f9d 892 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 893 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 894 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 895 }
klauss 0:4d17cd9c8f9d 896
klauss 0:4d17cd9c8f9d 897 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 898 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 899 // mudar para os sets
klauss 0:4d17cd9c8f9d 900 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 901 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 902 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 903 registry();
klauss 0:4d17cd9c8f9d 904 }
klauss 0:4d17cd9c8f9d 905
klauss 0:4d17cd9c8f9d 906 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 907 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 908 return server_ip;
klauss 0:4d17cd9c8f9d 909 }
klauss 0:4d17cd9c8f9d 910 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 911 return this->server_port;
klauss 0:4d17cd9c8f9d 912 }
klauss 0:4d17cd9c8f9d 913 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 914 return this->peer_ext;
klauss 0:4d17cd9c8f9d 915 }
klauss 0:4d17cd9c8f9d 916 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 917 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 918 }
klauss 0:4d17cd9c8f9d 919 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 920 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 921 }
klauss 0:4d17cd9c8f9d 922 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 923 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 924 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 925 }
klauss 0:4d17cd9c8f9d 926
klauss 0:4d17cd9c8f9d 927 /* Retorna
klauss 0:4d17cd9c8f9d 928 = 0 :: ok
klauss 0:4d17cd9c8f9d 929 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 930 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 931 */
klauss 0:4d17cd9c8f9d 932 int Sip::listen_SIP_server( void ){
klauss 14:22a35f575502 933 sock.set_blocking( false, 1 );
klauss 15:9c7456c1b6f4 934 //debug_msg("");
klauss 0:4d17cd9c8f9d 935 uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 9:ffa64f38ef9c 936 if( read > 0 ){
klauss 13:ae278302dffe 937 //debug_msg( "-- SIP recebeu algo --" );
klauss 0:4d17cd9c8f9d 938 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 939 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 940 build_reply_package( ans, (unsigned char*)buffer );
klauss 13:ae278302dffe 941 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 13:ae278302dffe 942 debug_msg(" Server request BYE to %d ext", my_ext );
klauss 0:4d17cd9c8f9d 943 return( this->my_ext );
klauss 0:4d17cd9c8f9d 944 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 945 char ans[ 2000 ];
klauss 13:ae278302dffe 946 debug_msg(" Options received ");
klauss 0:4d17cd9c8f9d 947 build_reply_package( ans, (unsigned char*)buffer );
klauss 13:ae278302dffe 948 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 15:9c7456c1b6f4 949 //debug_msg("");
klauss 0:4d17cd9c8f9d 950 }
klauss 0:4d17cd9c8f9d 951 }
klauss 0:4d17cd9c8f9d 952 return( 0 );
klauss 0:4d17cd9c8f9d 953 }
klauss 0:4d17cd9c8f9d 954
klauss 0:4d17cd9c8f9d 955 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 956 my_ext = ext;
klauss 0:4d17cd9c8f9d 957 }
klauss 0:4d17cd9c8f9d 958
klauss 0:4d17cd9c8f9d 959 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 960 my_port = port;
klauss 0:4d17cd9c8f9d 961 }
klauss 0:4d17cd9c8f9d 962
klauss 0:4d17cd9c8f9d 963 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 964 build_bye_package( this->buffer );
klauss 0:4d17cd9c8f9d 965 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 966 }
klauss 0:4d17cd9c8f9d 967
klauss 0:4d17cd9c8f9d 968 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 969 build_unregistry_package( this->buffer );
klauss 0:4d17cd9c8f9d 970 for( register int i = 0; i < 7; i++ )
klauss 0:4d17cd9c8f9d 971 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 972 }
klauss 0:4d17cd9c8f9d 973
klauss 0:4d17cd9c8f9d 974 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 975 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 976 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 977 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 978 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 979 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 980 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 981 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 982 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 983 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 984 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 985 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 986 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 987 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 988 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 989 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 990 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 991 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 992 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 993 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 994 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 995 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 996 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 997 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 998 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 999 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1000 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1001 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1002 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1003 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1004 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1005 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1006 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1007 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1008 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1009 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1010 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1011 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1012 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1013 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1014 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1015 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1016 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1017 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1018 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1019 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1020 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1021 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1022 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1023 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1024 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1025 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1026 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1027
klauss 0:4d17cd9c8f9d 1028 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1029 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1030 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1031 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1032 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1033 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1034 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1035 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1036 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1037 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1038 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1039 /*
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, ">;expires=" );
klauss 0:4d17cd9c8f9d 1041 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1042 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1043 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1044 */
klauss 0:4d17cd9c8f9d 1045
klauss 0:4d17cd9c8f9d 1046 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1047 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1048 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1051 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1052 return buffer;
klauss 0:4d17cd9c8f9d 1053 }