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@48:195c97f12e8e, 2014-10-20 (annotated)

Committer:
klauss
Date:
Mon Oct 20 16:13:10 2014 +0000
Revision:
48:195c97f12e8e
Parent:
46:a670f187a704
Child:
50:d9b6577a70f5
versao em validacao

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 28:94aec56c6329 3 #include "prompt.h"
klauss 0:4d17cd9c8f9d 4
klauss 0:4d17cd9c8f9d 5 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 6 sip_server.set_address( this->server_ip , this->server_port );
klauss 0:4d17cd9c8f9d 7 sock.set_blocking( false, 1 ); // verificar isso com mais cuidado depois
klauss 0:4d17cd9c8f9d 8 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 9 sock.init();
klauss 0:4d17cd9c8f9d 10 }
klauss 0:4d17cd9c8f9d 11
klauss 48:195c97f12e8e 12 void Sip::__end_sock__( void ){
klauss 0:4d17cd9c8f9d 13 sock.close();
klauss 0:4d17cd9c8f9d 14 }
klauss 0:4d17cd9c8f9d 15
klauss 48:195c97f12e8e 16 void Sip::__reconnect__( void ){
klauss 48:195c97f12e8e 17 sock.close();
klauss 48:195c97f12e8e 18 sock.init();
klauss 48:195c97f12e8e 19 }
klauss 48:195c97f12e8e 20
klauss 0:4d17cd9c8f9d 21 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 22 this->id = id;
klauss 0:4d17cd9c8f9d 23 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 24 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 25 this->server_port = server_port;
klauss 28:94aec56c6329 26 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 27 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 28 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 29 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 30 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 31 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 32 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 33
klauss 0:4d17cd9c8f9d 34 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 35 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 36 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 37 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 38 status = sip_idle;
klauss 0:4d17cd9c8f9d 39
klauss 0:4d17cd9c8f9d 40 __init_sock__();
klauss 0:4d17cd9c8f9d 41 }
klauss 29:7246460b73f8 42
klauss 29:7246460b73f8 43 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 44 FILE * fp = NULL;
klauss 29:7246460b73f8 45 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 46
klauss 29:7246460b73f8 47 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 48
klauss 29:7246460b73f8 49 this->id = id;
klauss 29:7246460b73f8 50
klauss 28:94aec56c6329 51 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 52 if( fp == NULL){
klauss 29:7246460b73f8 53 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 54 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 55 }else{
klauss 46:a670f187a704 56 char tmp[ 16 ];
klauss 46:a670f187a704 57 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 58 if( read > 0 ){
klauss 46:a670f187a704 59 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 60 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 61 tmp[ i ] = '\0';
klauss 46:a670f187a704 62 break;
klauss 46:a670f187a704 63 }
klauss 43:455522f98de5 64 strcpy( this->server_ip, tmp );
klauss 29:7246460b73f8 65 if( debug_sip ) debug_msg("Objeto SIP fixado no server ip %s", this->server_ip );
klauss 28:94aec56c6329 66 }else{
klauss 29:7246460b73f8 67 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 68 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 69 }
klauss 28:94aec56c6329 70 }
klauss 28:94aec56c6329 71 fclose( fp );
klauss 46:a670f187a704 72 this->server_ip[ 15 ] = 0;
klauss 46:a670f187a704 73
klauss 28:94aec56c6329 74
klauss 28:94aec56c6329 75 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 76 if( fp == NULL ){
klauss 29:7246460b73f8 77 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 78 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 79 }else{
klauss 29:7246460b73f8 80 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 81 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 82 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 83 }else{
klauss 29:7246460b73f8 84 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 85 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 86 }
klauss 28:94aec56c6329 87 }
klauss 28:94aec56c6329 88 fclose( fp );
klauss 28:94aec56c6329 89
klauss 28:94aec56c6329 90 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 91 if (fp == NULL){
klauss 29:7246460b73f8 92 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 93 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 94 }else{
klauss 43:455522f98de5 95 char tmp[ 20 ];
klauss 46:a670f187a704 96 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 97 if( read > 0 ){
klauss 46:a670f187a704 98 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 99 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 100 tmp[ i ] = '\0';
klauss 46:a670f187a704 101 break;
klauss 46:a670f187a704 102 }
klauss 43:455522f98de5 103 strcpy( this->my_ip, tmp );
klauss 29:7246460b73f8 104 if( debug_sip ) debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 105 }else{
klauss 29:7246460b73f8 106 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 107 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 108 }
klauss 27:98f824719d1c 109 }
klauss 27:98f824719d1c 110 fclose( fp );
klauss 46:a670f187a704 111
klauss 46:a670f187a704 112 this->my_ip[ 15 ] = 0;
klauss 28:94aec56c6329 113
klauss 28:94aec56c6329 114 this->my_port = my_port;
klauss 28:94aec56c6329 115 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 116 this->my_ext = id;
klauss 28:94aec56c6329 117 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 118
klauss 28:94aec56c6329 119 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 120 if( fp == NULL ) {
klauss 29:7246460b73f8 121 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 122 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 123 } else {
klauss 29:7246460b73f8 124 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 125 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 126 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 127 } else {
klauss 29:7246460b73f8 128 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 129 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 130 }
klauss 28:94aec56c6329 131 }
klauss 28:94aec56c6329 132 fclose( fp );
klauss 27:98f824719d1c 133
klauss 48:195c97f12e8e 134 /*
klauss 29:7246460b73f8 135 this->my_port = my_port;
klauss 29:7246460b73f8 136 this->my_rtp_port = fill_random_rtp_port();
klauss 29:7246460b73f8 137 this->my_ext = id;
klauss 29:7246460b73f8 138 itoa( this->my_ext, this->my_display, 10 );
klauss 48:195c97f12e8e 139 */
klauss 0:4d17cd9c8f9d 140 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 141 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 142 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 143 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 144 status = sip_idle;
klauss 0:4d17cd9c8f9d 145
klauss 0:4d17cd9c8f9d 146 __init_sock__();
klauss 0:4d17cd9c8f9d 147 }
klauss 29:7246460b73f8 148
klauss 0:4d17cd9c8f9d 149 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 150 __end_sock__();
klauss 0:4d17cd9c8f9d 151 }
klauss 0:4d17cd9c8f9d 152
klauss 0:4d17cd9c8f9d 153 void Sip::registry(){
klauss 13:ae278302dffe 154 char out[ 1000 ];
klauss 28:94aec56c6329 155 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 156 build_registry_package( buffer );
klauss 29:7246460b73f8 157 int sent = sock.sendTo( sip_server, buffer, 512 ); // > 400
klauss 48:195c97f12e8e 158 int rcv = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 48:195c97f12e8e 159 /*
klauss 48:195c97f12e8e 160 if( sent == -1 || rcv == -1 ){
klauss 48:195c97f12e8e 161 debug_msg("");
klauss 48:195c97f12e8e 162 __init_eth__();
klauss 48:195c97f12e8e 163 debug_msg("");
klauss 48:195c97f12e8e 164 }
klauss 48:195c97f12e8e 165 */
klauss 48:195c97f12e8e 166 if( sent == -1 || rcv == -1 ){
klauss 48:195c97f12e8e 167 __reconnect__();
klauss 48:195c97f12e8e 168 }
klauss 28:94aec56c6329 169 if( debug_sip ) debug_msg("Received %i bytes to ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 170 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 171 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 172 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 13:ae278302dffe 173 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 174 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 175 sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 0:4d17cd9c8f9d 176 }
klauss 0:4d17cd9c8f9d 177 }
klauss 0:4d17cd9c8f9d 178 }
klauss 0:4d17cd9c8f9d 179 }
klauss 0:4d17cd9c8f9d 180
klauss 0:4d17cd9c8f9d 181 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 182 Timer t;
klauss 0:4d17cd9c8f9d 183 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 184 itoa( get_id(), callbox_string, 10 );
klauss 0:4d17cd9c8f9d 185
klauss 14:22a35f575502 186 if( status != sip_on_call ){
klauss 14:22a35f575502 187 set_status(status, sip_waiting_trying );
klauss 14:22a35f575502 188 }
klauss 0:4d17cd9c8f9d 189
klauss 0:4d17cd9c8f9d 190 else return( NULL );
klauss 0:4d17cd9c8f9d 191
klauss 0:4d17cd9c8f9d 192 int cseq = 0;
klauss 0:4d17cd9c8f9d 193
klauss 0:4d17cd9c8f9d 194 build_invite_package( buffer, callbox_string, &cseq );
klauss 0:4d17cd9c8f9d 195 sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 196
klauss 29:7246460b73f8 197 if( debug_sip ) debug_msg( "Inviting" );
klauss 29:7246460b73f8 198 if( debug_sip ) debug_msg( "Sip::status::%d", status );
klauss 0:4d17cd9c8f9d 199 t.start();
klauss 0:4d17cd9c8f9d 200
klauss 0:4d17cd9c8f9d 201 sock.set_blocking( false, 5 );
klauss 0:4d17cd9c8f9d 202
klauss 0:4d17cd9c8f9d 203 int loop_times = 0;
klauss 0:4d17cd9c8f9d 204 int received_loop_times = 0;
klauss 0:4d17cd9c8f9d 205 Timer reconnect;
klauss 0:4d17cd9c8f9d 206 reconnect.start();
klauss 29:7246460b73f8 207 //static int id_ = 0;
klauss 0:4d17cd9c8f9d 208 int length = 0;
klauss 3:cd9148672e25 209 bool waiting = false;
klauss 3:cd9148672e25 210
klauss 3:cd9148672e25 211 VZ_call * call = NULL;
klauss 0:4d17cd9c8f9d 212 while( t.read() < __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 213 loop_times++;
klauss 4:de46f0d9b14d 214 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 215 if( length > 0 ){
klauss 0:4d17cd9c8f9d 216 reconnect.reset();
klauss 29:7246460b73f8 217 //debug_msg("Pacotes recebidos :: %d", id_ );
klauss 4:de46f0d9b14d 218 buffer[ length ] = 0;
klauss 0:4d17cd9c8f9d 219 received_loop_times++;
klauss 0:4d17cd9c8f9d 220 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 221 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 0:4d17cd9c8f9d 222 // tratar depois o esquema do Cseq ::
klauss 29:7246460b73f8 223 //debug_msg( "Cseq == %d", cseq );
klauss 0:4d17cd9c8f9d 224 set_status(status, sip_on_call);
klauss 4:de46f0d9b14d 225 char *ref = strstr( buffer, "audio" );
klauss 29:7246460b73f8 226 if( debug_sip ) debug_msg("ok");
klauss 0:4d17cd9c8f9d 227 if( ref != NULL ){
klauss 0:4d17cd9c8f9d 228 ref += 6; // audio
klauss 0:4d17cd9c8f9d 229 ref = strtok( ref, " ");
klauss 3:cd9148672e25 230 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 13:ae278302dffe 231 char ans[ 1024 ];
klauss 4:de46f0d9b14d 232 build_ack_package( ans, ( unsigned char *)buffer );
klauss 0:4d17cd9c8f9d 233 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 29:7246460b73f8 234 if( debug_sip ) debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 235 set_status( status, sip_on_call );
klauss 0:4d17cd9c8f9d 236 return( call );
klauss 0:4d17cd9c8f9d 237 }
klauss 0:4d17cd9c8f9d 238 }
klauss 0:4d17cd9c8f9d 239 }
klauss 3:cd9148672e25 240 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 25:2cf5e8dd4035 241 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 29:7246460b73f8 242 if( debug_sip ) debug_msg("Busy Here");
klauss 25:2cf5e8dd4035 243 send_bye();
klauss 25:2cf5e8dd4035 244 delete( call );
klauss 25:2cf5e8dd4035 245 set_status( status, sip_busy );
klauss 25:2cf5e8dd4035 246 return( NULL );
klauss 25:2cf5e8dd4035 247 }
klauss 25:2cf5e8dd4035 248 }
klauss 25:2cf5e8dd4035 249 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 250 if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 29:7246460b73f8 251 //debug_msg( "Trocando dados de audio -- musica de espera com o CBx" );
klauss 4:de46f0d9b14d 252 char *ref = strstr( buffer, "audio" );
klauss 3:cd9148672e25 253 if( ref != NULL ){
klauss 3:cd9148672e25 254 ref += 6; // audio
klauss 3:cd9148672e25 255 ref = strtok( ref, " ");
klauss 3:cd9148672e25 256 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 3:cd9148672e25 257 waiting = true;
klauss 3:cd9148672e25 258 }
klauss 3:cd9148672e25 259 }
klauss 3:cd9148672e25 260 }
klauss 0:4d17cd9c8f9d 261 if( status == sip_trying ){
klauss 4:de46f0d9b14d 262 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 29:7246460b73f8 263 if( debug_sip ) debug_msg("ringing");
klauss 0:4d17cd9c8f9d 264 t.reset();
klauss 0:4d17cd9c8f9d 265 set_status( status, sip_ringing );
klauss 0:4d17cd9c8f9d 266 }
klauss 0:4d17cd9c8f9d 267 }
klauss 0:4d17cd9c8f9d 268 if( status == sip_waiting_trying ){
klauss 4:de46f0d9b14d 269 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 29:7246460b73f8 270 if( debug_sip ) debug_msg("trying")
klauss 0:4d17cd9c8f9d 271 t.reset();
klauss 0:4d17cd9c8f9d 272 set_status( status, sip_trying );
klauss 0:4d17cd9c8f9d 273 }
klauss 0:4d17cd9c8f9d 274 }
klauss 0:4d17cd9c8f9d 275 }else if( reconnect.read() > 4 ){
klauss 0:4d17cd9c8f9d 276 sock.close();
klauss 0:4d17cd9c8f9d 277 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 278 sock.init();
klauss 0:4d17cd9c8f9d 279 sock.set_blocking( false, 1 );
klauss 29:7246460b73f8 280 if( debug_sip ) debug_msg("Reconnect");
klauss 0:4d17cd9c8f9d 281 reconnect.reset();
klauss 0:4d17cd9c8f9d 282 //sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 283 led4 = !led4;
klauss 0:4d17cd9c8f9d 284 }
klauss 3:cd9148672e25 285 if( waiting == true ){
klauss 3:cd9148672e25 286 char * tmp = call->get_eth_message( &length );
klauss 3:cd9148672e25 287 if( tmp != NULL ){
klauss 3:cd9148672e25 288 uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__,
klauss 3:cd9148672e25 289 tmp, __AUDIO__, length, (uint8_t *)buffer );
klauss 3:cd9148672e25 290 __send_to_cb__( pkg2cb );
klauss 3:cd9148672e25 291 }
klauss 3:cd9148672e25 292 }
klauss 0:4d17cd9c8f9d 293 }
klauss 0:4d17cd9c8f9d 294
klauss 29:7246460b73f8 295 if( debug_sip ) debug_msg("Call nao alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 296 if( t.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 297 set_status(status, sip_denied);
klauss 14:22a35f575502 298 send_bye();
klauss 0:4d17cd9c8f9d 299 }
klauss 3:cd9148672e25 300 delete( call );
klauss 0:4d17cd9c8f9d 301 return( NULL );
klauss 0:4d17cd9c8f9d 302 }
klauss 0:4d17cd9c8f9d 303
klauss 0:4d17cd9c8f9d 304 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 305 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 306 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 307 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 308 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 309 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 310 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 311 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 312 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 314 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 315 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 316 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 317 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 319 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 320 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 321 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 322 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 323 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 324 strcat( buffer, "\r\nFrom: " );
klauss 4:de46f0d9b14d 325 // mudar isso aqui pra algo mais compreensivel pra cc
klauss 0:4d17cd9c8f9d 326 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 327 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 328 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 329 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 330 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 331 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 332 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 333 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 335 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 336 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 337 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 338 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 339 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 340 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 341 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 342 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 343 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 344 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 345 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 346 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 347 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 348 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 349 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 350 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 351 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 352 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 353 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 354 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 355 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 356 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 357 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 358
klauss 0:4d17cd9c8f9d 359 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 360 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 361 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 362 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 363 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 364 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 365 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 366 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 367 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 368 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 369 strcat( buffer, ">;expires=120" );
klauss 0:4d17cd9c8f9d 370 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 371 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 372 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 373
klauss 0:4d17cd9c8f9d 374 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 375 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 376 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 377 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 378 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 379 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 380 return buffer;
klauss 0:4d17cd9c8f9d 381 }
klauss 0:4d17cd9c8f9d 382
klauss 0:4d17cd9c8f9d 383 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 384 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 385 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 386 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 387 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 388 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 389 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 390 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 391 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 392 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 393
klauss 0:4d17cd9c8f9d 394 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 395 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 396
klauss 0:4d17cd9c8f9d 397 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 398 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 399 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 400 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 401 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 402 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 403 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 404 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 405 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 406 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 407 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 408 strcat( header, "." );
klauss 0:4d17cd9c8f9d 409 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 410 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 411 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 412 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 413 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 414 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 415 strcat( header, "." );
klauss 0:4d17cd9c8f9d 416 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 417 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 418 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 419 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 420 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 421 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 422 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 423 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 424 strcat( header, branch );
klauss 0:4d17cd9c8f9d 425 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 426 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 427 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 428 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 429 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 430 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 431 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 432 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 433 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 434 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 435 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 436 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 437 strcat( header, tag );
klauss 0:4d17cd9c8f9d 438 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 439 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 440 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 441 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 442 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 443 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 444 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 445 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 446 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 447 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 448 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 449 strcat( header, callid );
klauss 0:4d17cd9c8f9d 450 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 451 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 452 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 453 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 454 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 455 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 456 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 457 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 458 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 459 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 460 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 461 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 462 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 463 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 464 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 465 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 466 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 467 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 468 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 469 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 470 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 471 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 472 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 473 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 474 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 475 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 476 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 477 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 478 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 479 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 480 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 481 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 482 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 483 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 484
klauss 0:4d17cd9c8f9d 485 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 486 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 487 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 488 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 489 strcat( body, " " );
klauss 0:4d17cd9c8f9d 490 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 491 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 492 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 493 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 494 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 495 strcat( body, " " );
klauss 0:4d17cd9c8f9d 496 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 497 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 498 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 499 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 500 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 501 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 502 strcat( body, " " );
klauss 0:4d17cd9c8f9d 503 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 504 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 505 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 506 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 507 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 508 strcat( body, " " );
klauss 0:4d17cd9c8f9d 509 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 510 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 511 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 512 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 513 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 514 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 515 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 516 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 517 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 518 strcat( body, " " );
klauss 0:4d17cd9c8f9d 519 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 520 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 521 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 522 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 523 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 524 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 525 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 526 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 527 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 528 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 529 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 530 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 531 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 532 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 533 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 534 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 535 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 536 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 537 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 538 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 539 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 540 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 541 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 542 strcat( body, " " );
klauss 0:4d17cd9c8f9d 543 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 544 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 545 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 546 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 547 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 548 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 549
klauss 0:4d17cd9c8f9d 550 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 551 return( pkg );
klauss 0:4d17cd9c8f9d 552 }
klauss 0:4d17cd9c8f9d 553
klauss 0:4d17cd9c8f9d 554 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 555 int size;
klauss 0:4d17cd9c8f9d 556 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 557 size = strlen( body );
klauss 0:4d17cd9c8f9d 558 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 559 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 560 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 561 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 562 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 563 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 564 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 565 return pkg;
klauss 0:4d17cd9c8f9d 566 }
klauss 0:4d17cd9c8f9d 567
klauss 0:4d17cd9c8f9d 568 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 569 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 570 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 571 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 572 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 573 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 574
klauss 0:4d17cd9c8f9d 575 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 576 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 577 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 578 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 579 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 580 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 581 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 582 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 583 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 584 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 585 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 586 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 587 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 588 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 589 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 590 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 591 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 592 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 593 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 594 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 595 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 596 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 597 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 598 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 599 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 600 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 601 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 602 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 603 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 604 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 606 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 607 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 611 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 612 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 615 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 616 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 617 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 619 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 622 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 623 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 630 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 631 return( buffer );
klauss 0:4d17cd9c8f9d 632 }
klauss 0:4d17cd9c8f9d 633 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 634 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 635 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 636 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 637 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 638 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 639 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 640 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 641 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 642 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 643 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 644 return NULL;
klauss 0:4d17cd9c8f9d 645 }
klauss 0:4d17cd9c8f9d 646 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 647 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 648 return NULL;
klauss 0:4d17cd9c8f9d 649 }
klauss 0:4d17cd9c8f9d 650 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 651 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 652 return NULL;
klauss 0:4d17cd9c8f9d 653 }
klauss 0:4d17cd9c8f9d 654 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 655 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 656
klauss 0:4d17cd9c8f9d 657 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 658 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 659 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 660 }
klauss 0:4d17cd9c8f9d 661 }
klauss 0:4d17cd9c8f9d 662 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 663 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 664 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 665 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 666 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 667 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 668 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 669 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 670 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 671 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 672 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 673 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 674 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 675 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 676 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 677 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 678 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 679 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 680 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 681 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 682 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 683 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 684 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 685 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 686 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 687 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 688 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 689 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 690 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 691 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 692 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 693 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 694 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 695 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 696 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 697 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 698 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 699 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 700 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 701 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 702 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 703 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 704 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 705 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 706 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 707 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 708 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 709 return( buffer );
klauss 0:4d17cd9c8f9d 710 }
klauss 0:4d17cd9c8f9d 711
klauss 0:4d17cd9c8f9d 712 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 713 char a[32];
klauss 0:4d17cd9c8f9d 714 int i = 0, j;
klauss 0:4d17cd9c8f9d 715 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 716 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 717 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 718 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 719 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 720 j = i+i;
klauss 0:4d17cd9c8f9d 721 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 722 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 723 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 724 }
klauss 0:4d17cd9c8f9d 725
klauss 0:4d17cd9c8f9d 726 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 727 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 728 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 729 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 730 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 731 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 732
klauss 0:4d17cd9c8f9d 733 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 734 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 735 return NULL;
klauss 0:4d17cd9c8f9d 736 }
klauss 0:4d17cd9c8f9d 737 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 738 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 739 return NULL;
klauss 0:4d17cd9c8f9d 740 }
klauss 0:4d17cd9c8f9d 741 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 742 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 743 return NULL;
klauss 0:4d17cd9c8f9d 744 }
klauss 0:4d17cd9c8f9d 745 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 746 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 747 return NULL;
klauss 0:4d17cd9c8f9d 748 }
klauss 0:4d17cd9c8f9d 749 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 750 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 751 return NULL;
klauss 0:4d17cd9c8f9d 752 }
klauss 0:4d17cd9c8f9d 753
klauss 0:4d17cd9c8f9d 754 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 755 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 756 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 757 }
klauss 0:4d17cd9c8f9d 758 }
klauss 0:4d17cd9c8f9d 759
klauss 0:4d17cd9c8f9d 760 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 761 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 762 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 763 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 764 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 765 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 766 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 767 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 768 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 769 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 770 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 771 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 772 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 773 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 774 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 775 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 776 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 777 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 778 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 779 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 780 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 781 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 782 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 783 return( buffer );
klauss 0:4d17cd9c8f9d 784 }
klauss 0:4d17cd9c8f9d 785 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 786 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 787 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 788 return( buffer );
klauss 0:4d17cd9c8f9d 789 }
klauss 0:4d17cd9c8f9d 790
klauss 0:4d17cd9c8f9d 791 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 792 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 793 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 794 return( buffer );
klauss 0:4d17cd9c8f9d 795 }
klauss 0:4d17cd9c8f9d 796 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 797 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 798 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 799 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 800 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 801 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 802 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 803
klauss 0:4d17cd9c8f9d 804 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 805 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 806 return NULL;
klauss 0:4d17cd9c8f9d 807 }
klauss 0:4d17cd9c8f9d 808 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 809 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 810 return NULL;
klauss 0:4d17cd9c8f9d 811 }
klauss 0:4d17cd9c8f9d 812 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 813 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 814 return NULL;
klauss 0:4d17cd9c8f9d 815 }
klauss 0:4d17cd9c8f9d 816 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 817 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 818 return NULL;
klauss 0:4d17cd9c8f9d 819 }
klauss 0:4d17cd9c8f9d 820 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 821 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 822 return NULL;
klauss 0:4d17cd9c8f9d 823 }
klauss 0:4d17cd9c8f9d 824
klauss 0:4d17cd9c8f9d 825 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 826 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 827 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 828 }
klauss 0:4d17cd9c8f9d 829 }
klauss 0:4d17cd9c8f9d 830 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 831
klauss 0:4d17cd9c8f9d 832 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 833 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 834 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 835 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 836 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 837 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 838
klauss 0:4d17cd9c8f9d 839 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 840 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 841 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 842
klauss 0:4d17cd9c8f9d 843 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 844 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 845 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 846
klauss 0:4d17cd9c8f9d 847 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 848 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 849 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 850
klauss 0:4d17cd9c8f9d 851 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 852 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 853 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 854
klauss 0:4d17cd9c8f9d 855 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 856 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 857 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 858 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 859 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 860 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 861
klauss 0:4d17cd9c8f9d 862 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 863 return( buffer );
klauss 0:4d17cd9c8f9d 864 }
klauss 0:4d17cd9c8f9d 865 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 866 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 867 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 868 return( buffer );
klauss 0:4d17cd9c8f9d 869 }
klauss 0:4d17cd9c8f9d 870
klauss 0:4d17cd9c8f9d 871 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 872 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 873 seed += 1;
klauss 0:4d17cd9c8f9d 874 srand( seed );
klauss 0:4d17cd9c8f9d 875
klauss 0:4d17cd9c8f9d 876 int i;
klauss 0:4d17cd9c8f9d 877 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 878 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 879 }
klauss 0:4d17cd9c8f9d 880 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 881 return( buffer );
klauss 0:4d17cd9c8f9d 882 }
klauss 0:4d17cd9c8f9d 883
klauss 0:4d17cd9c8f9d 884 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 885 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 886 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 887 /* initial value, random number */
klauss 0:4d17cd9c8f9d 888 cseq = rand();
klauss 0:4d17cd9c8f9d 889 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 890 }
klauss 0:4d17cd9c8f9d 891 cseq++;
klauss 0:4d17cd9c8f9d 892 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 893 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 894 return cseq;
klauss 0:4d17cd9c8f9d 895 }
klauss 0:4d17cd9c8f9d 896
klauss 0:4d17cd9c8f9d 897 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 898 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 899 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 900 int i = 0;
klauss 0:4d17cd9c8f9d 901 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 902 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 903 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 904 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 905 } else {
klauss 0:4d17cd9c8f9d 906 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 907 }
klauss 0:4d17cd9c8f9d 908 return( cseq );
klauss 0:4d17cd9c8f9d 909 }
klauss 0:4d17cd9c8f9d 910
klauss 0:4d17cd9c8f9d 911 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 912 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 913 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 914 int i = 0;
klauss 0:4d17cd9c8f9d 915 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 916 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 917 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 918 } else {
klauss 0:4d17cd9c8f9d 919 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 920 }
klauss 0:4d17cd9c8f9d 921 return( branch );
klauss 0:4d17cd9c8f9d 922 }
klauss 0:4d17cd9c8f9d 923 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 924 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 925 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 926 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 927 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 928 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 929 char * s;
klauss 0:4d17cd9c8f9d 930 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 931 register int j = 0;
klauss 0:4d17cd9c8f9d 932 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 933 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 934 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 935 return 1; // found
klauss 0:4d17cd9c8f9d 936 }
klauss 0:4d17cd9c8f9d 937 }
klauss 0:4d17cd9c8f9d 938 return 0; // not found
klauss 0:4d17cd9c8f9d 939 }
klauss 0:4d17cd9c8f9d 940
klauss 0:4d17cd9c8f9d 941 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 942 return this->id;
klauss 0:4d17cd9c8f9d 943 }
klauss 0:4d17cd9c8f9d 944 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 945 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 946 }
klauss 0:4d17cd9c8f9d 947 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 948 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 949 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 950 }
klauss 0:4d17cd9c8f9d 951
klauss 0:4d17cd9c8f9d 952 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 953 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 954 // mudar para os sets
klauss 0:4d17cd9c8f9d 955 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 956 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 957 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 958 registry();
klauss 0:4d17cd9c8f9d 959 }
klauss 0:4d17cd9c8f9d 960
klauss 0:4d17cd9c8f9d 961 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 962 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 963 return server_ip;
klauss 0:4d17cd9c8f9d 964 }
klauss 0:4d17cd9c8f9d 965 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 966 return this->server_port;
klauss 0:4d17cd9c8f9d 967 }
klauss 0:4d17cd9c8f9d 968 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 969 return this->peer_ext;
klauss 0:4d17cd9c8f9d 970 }
klauss 0:4d17cd9c8f9d 971 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 972 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 973 }
klauss 0:4d17cd9c8f9d 974 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 975 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 976 }
klauss 0:4d17cd9c8f9d 977 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 978 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 979 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 980 }
klauss 0:4d17cd9c8f9d 981
klauss 0:4d17cd9c8f9d 982 /* Retorna
klauss 0:4d17cd9c8f9d 983 = 0 :: ok
klauss 0:4d17cd9c8f9d 984 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 985 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 986 */
klauss 0:4d17cd9c8f9d 987 int Sip::listen_SIP_server( void ){
klauss 14:22a35f575502 988 sock.set_blocking( false, 1 );
klauss 15:9c7456c1b6f4 989 //debug_msg("");
klauss 33:735fd60e96d8 990 //uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 991 uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 9:ffa64f38ef9c 992 if( read > 0 ){
klauss 13:ae278302dffe 993 //debug_msg( "-- SIP recebeu algo --" );
klauss 0:4d17cd9c8f9d 994 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 995 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 996 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 997 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 38:af5ecd6997ab 998 sock.sendTo( sip_server, ans, 768 );
klauss 33:735fd60e96d8 999 if( debug_sip ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 0:4d17cd9c8f9d 1000 return( this->my_ext );
klauss 0:4d17cd9c8f9d 1001 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 1002 char ans[ 2000 ];
klauss 33:735fd60e96d8 1003 if( debug_sip ) debug_msg("Options received ");
klauss 0:4d17cd9c8f9d 1004 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 1005 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 33:735fd60e96d8 1006 sock.sendTo( sip_server, ans, 512 );
klauss 0:4d17cd9c8f9d 1007 }
klauss 0:4d17cd9c8f9d 1008 }
klauss 0:4d17cd9c8f9d 1009 return( 0 );
klauss 0:4d17cd9c8f9d 1010 }
klauss 0:4d17cd9c8f9d 1011
klauss 0:4d17cd9c8f9d 1012 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 1013 my_ext = ext;
klauss 0:4d17cd9c8f9d 1014 }
klauss 0:4d17cd9c8f9d 1015
klauss 0:4d17cd9c8f9d 1016 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 1017 my_port = port;
klauss 0:4d17cd9c8f9d 1018 }
klauss 0:4d17cd9c8f9d 1019
klauss 0:4d17cd9c8f9d 1020 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 1021 build_bye_package( this->buffer );
klauss 0:4d17cd9c8f9d 1022 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1023 }
klauss 0:4d17cd9c8f9d 1024
klauss 0:4d17cd9c8f9d 1025 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 1026 build_unregistry_package( this->buffer );
klauss 0:4d17cd9c8f9d 1027 for( register int i = 0; i < 7; i++ )
klauss 0:4d17cd9c8f9d 1028 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1029 }
klauss 0:4d17cd9c8f9d 1030
klauss 0:4d17cd9c8f9d 1031 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 1032 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1033 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1034 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1035 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 1036 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 1037 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 1038 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 1039 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1041 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1042 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1043 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1044 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1045 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1046 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1047 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1048 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1051 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1052 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1053 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1054 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1055 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1056 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1057 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1058 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1059 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1060 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1061 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1062 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1063 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1064 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1065 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1066 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1067 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1068 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1069 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1070 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1071 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1072 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1073 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1074 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1075 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1076 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1077 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1078 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1079 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1080 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1081 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1082 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1083 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1084
klauss 0:4d17cd9c8f9d 1085 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1086 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1087 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1088 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1089 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1090 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1091 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1092 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1093 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1094 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1095 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1096 /*
klauss 0:4d17cd9c8f9d 1097 strcat( buffer, ">;expires=" );
klauss 0:4d17cd9c8f9d 1098 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1099 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1100 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1101 */
klauss 0:4d17cd9c8f9d 1102
klauss 0:4d17cd9c8f9d 1103 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1104 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1105 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1106 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1107 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1108 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1109 return buffer;
klauss 0:4d17cd9c8f9d 1110 }