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@50:d9b6577a70f5, 2014-10-20 (annotated)

Committer:
klauss
Date:
Mon Oct 20 19:28:38 2014 +0000
Revision:
50:d9b6577a70f5
Parent:
48:195c97f12e8e
Child:
74:81c47fff88a5
pcb ext cmd - implementado

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 50:d9b6577a70f5 56 char tmp[ 16 ] = "\0";
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 50:d9b6577a70f5 65 if( debug_sip ) debug_msg("Objeto SIP fixado no server ip %s( read %d chars ), valid %d", this->server_ip, read, strlen( 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 50:d9b6577a70f5 72 this->server_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 73
klauss 28:94aec56c6329 74 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 75 if( fp == NULL ){
klauss 29:7246460b73f8 76 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 77 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 78 }else{
klauss 29:7246460b73f8 79 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 80 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 81 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 82 }else{
klauss 29:7246460b73f8 83 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 84 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 85 }
klauss 28:94aec56c6329 86 }
klauss 28:94aec56c6329 87 fclose( fp );
klauss 28:94aec56c6329 88
klauss 28:94aec56c6329 89 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 90 if (fp == NULL){
klauss 29:7246460b73f8 91 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 92 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 93 }else{
klauss 50:d9b6577a70f5 94 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 95 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 96 if( read > 0 ){
klauss 46:a670f187a704 97 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 98 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 99 tmp[ i ] = '\0';
klauss 46:a670f187a704 100 break;
klauss 46:a670f187a704 101 }
klauss 43:455522f98de5 102 strcpy( this->my_ip, tmp );
klauss 50:d9b6577a70f5 103 if( debug_sip ) debug_msg("Objeto SIP fixado no ip %s( lidos %d chars ), valid %d", this->my_ip, read, strlen( this->my_ip ) );
klauss 27:98f824719d1c 104 }else{
klauss 29:7246460b73f8 105 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 106 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 107 }
klauss 27:98f824719d1c 108 }
klauss 27:98f824719d1c 109 fclose( fp );
klauss 46:a670f187a704 110
klauss 50:d9b6577a70f5 111 this->my_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 112
klauss 28:94aec56c6329 113 this->my_port = my_port;
klauss 28:94aec56c6329 114 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 115 this->my_ext = id;
klauss 28:94aec56c6329 116 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 117
klauss 28:94aec56c6329 118 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 119 if( fp == NULL ) {
klauss 29:7246460b73f8 120 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 121 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 122 } else {
klauss 29:7246460b73f8 123 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 124 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 125 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 126 } else {
klauss 29:7246460b73f8 127 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 128 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 129 }
klauss 28:94aec56c6329 130 }
klauss 28:94aec56c6329 131 fclose( fp );
klauss 27:98f824719d1c 132
klauss 48:195c97f12e8e 133 /*
klauss 29:7246460b73f8 134 this->my_port = my_port;
klauss 29:7246460b73f8 135 this->my_rtp_port = fill_random_rtp_port();
klauss 29:7246460b73f8 136 this->my_ext = id;
klauss 29:7246460b73f8 137 itoa( this->my_ext, this->my_display, 10 );
klauss 48:195c97f12e8e 138 */
klauss 0:4d17cd9c8f9d 139 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 140 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 141 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 142 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 143 status = sip_idle;
klauss 0:4d17cd9c8f9d 144
klauss 0:4d17cd9c8f9d 145 __init_sock__();
klauss 0:4d17cd9c8f9d 146 }
klauss 29:7246460b73f8 147
klauss 0:4d17cd9c8f9d 148 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 149 __end_sock__();
klauss 0:4d17cd9c8f9d 150 }
klauss 0:4d17cd9c8f9d 151
klauss 0:4d17cd9c8f9d 152 void Sip::registry(){
klauss 13:ae278302dffe 153 char out[ 1000 ];
klauss 28:94aec56c6329 154 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 155 build_registry_package( buffer );
klauss 29:7246460b73f8 156 int sent = sock.sendTo( sip_server, buffer, 512 ); // > 400
klauss 48:195c97f12e8e 157 int rcv = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 48:195c97f12e8e 158 /*
klauss 48:195c97f12e8e 159 if( sent == -1 || rcv == -1 ){
klauss 48:195c97f12e8e 160 debug_msg("");
klauss 48:195c97f12e8e 161 __init_eth__();
klauss 48:195c97f12e8e 162 debug_msg("");
klauss 48:195c97f12e8e 163 }
klauss 48:195c97f12e8e 164 */
klauss 48:195c97f12e8e 165 if( sent == -1 || rcv == -1 ){
klauss 48:195c97f12e8e 166 __reconnect__();
klauss 48:195c97f12e8e 167 }
klauss 28:94aec56c6329 168 if( debug_sip ) debug_msg("Received %i bytes to ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 169 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 170 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 171 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 13:ae278302dffe 172 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 173 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 174 sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 0:4d17cd9c8f9d 175 }
klauss 0:4d17cd9c8f9d 176 }
klauss 0:4d17cd9c8f9d 177 }
klauss 0:4d17cd9c8f9d 178 }
klauss 0:4d17cd9c8f9d 179
klauss 0:4d17cd9c8f9d 180 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 181 Timer t;
klauss 0:4d17cd9c8f9d 182 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 183 itoa( get_id(), callbox_string, 10 );
klauss 0:4d17cd9c8f9d 184
klauss 14:22a35f575502 185 if( status != sip_on_call ){
klauss 14:22a35f575502 186 set_status(status, sip_waiting_trying );
klauss 14:22a35f575502 187 }
klauss 0:4d17cd9c8f9d 188
klauss 0:4d17cd9c8f9d 189 else return( NULL );
klauss 0:4d17cd9c8f9d 190
klauss 0:4d17cd9c8f9d 191 int cseq = 0;
klauss 0:4d17cd9c8f9d 192
klauss 0:4d17cd9c8f9d 193 build_invite_package( buffer, callbox_string, &cseq );
klauss 0:4d17cd9c8f9d 194 sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 195
klauss 29:7246460b73f8 196 if( debug_sip ) debug_msg( "Inviting" );
klauss 29:7246460b73f8 197 if( debug_sip ) debug_msg( "Sip::status::%d", status );
klauss 0:4d17cd9c8f9d 198 t.start();
klauss 0:4d17cd9c8f9d 199
klauss 0:4d17cd9c8f9d 200 sock.set_blocking( false, 5 );
klauss 0:4d17cd9c8f9d 201
klauss 0:4d17cd9c8f9d 202 int loop_times = 0;
klauss 0:4d17cd9c8f9d 203 int received_loop_times = 0;
klauss 0:4d17cd9c8f9d 204 Timer reconnect;
klauss 0:4d17cd9c8f9d 205 reconnect.start();
klauss 29:7246460b73f8 206 //static int id_ = 0;
klauss 0:4d17cd9c8f9d 207 int length = 0;
klauss 3:cd9148672e25 208 bool waiting = false;
klauss 3:cd9148672e25 209
klauss 3:cd9148672e25 210 VZ_call * call = NULL;
klauss 0:4d17cd9c8f9d 211 while( t.read() < __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 212 loop_times++;
klauss 4:de46f0d9b14d 213 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 214 if( length > 0 ){
klauss 0:4d17cd9c8f9d 215 reconnect.reset();
klauss 29:7246460b73f8 216 //debug_msg("Pacotes recebidos :: %d", id_ );
klauss 4:de46f0d9b14d 217 buffer[ length ] = 0;
klauss 0:4d17cd9c8f9d 218 received_loop_times++;
klauss 0:4d17cd9c8f9d 219 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 220 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 0:4d17cd9c8f9d 221 // tratar depois o esquema do Cseq ::
klauss 29:7246460b73f8 222 //debug_msg( "Cseq == %d", cseq );
klauss 0:4d17cd9c8f9d 223 set_status(status, sip_on_call);
klauss 4:de46f0d9b14d 224 char *ref = strstr( buffer, "audio" );
klauss 29:7246460b73f8 225 if( debug_sip ) debug_msg("ok");
klauss 0:4d17cd9c8f9d 226 if( ref != NULL ){
klauss 0:4d17cd9c8f9d 227 ref += 6; // audio
klauss 0:4d17cd9c8f9d 228 ref = strtok( ref, " ");
klauss 3:cd9148672e25 229 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 13:ae278302dffe 230 char ans[ 1024 ];
klauss 4:de46f0d9b14d 231 build_ack_package( ans, ( unsigned char *)buffer );
klauss 0:4d17cd9c8f9d 232 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 29:7246460b73f8 233 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 234 set_status( status, sip_on_call );
klauss 0:4d17cd9c8f9d 235 return( call );
klauss 0:4d17cd9c8f9d 236 }
klauss 0:4d17cd9c8f9d 237 }
klauss 0:4d17cd9c8f9d 238 }
klauss 3:cd9148672e25 239 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 25:2cf5e8dd4035 240 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 29:7246460b73f8 241 if( debug_sip ) debug_msg("Busy Here");
klauss 25:2cf5e8dd4035 242 send_bye();
klauss 25:2cf5e8dd4035 243 delete( call );
klauss 25:2cf5e8dd4035 244 set_status( status, sip_busy );
klauss 25:2cf5e8dd4035 245 return( NULL );
klauss 25:2cf5e8dd4035 246 }
klauss 25:2cf5e8dd4035 247 }
klauss 25:2cf5e8dd4035 248 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 249 if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 29:7246460b73f8 250 //debug_msg( "Trocando dados de audio -- musica de espera com o CBx" );
klauss 4:de46f0d9b14d 251 char *ref = strstr( buffer, "audio" );
klauss 3:cd9148672e25 252 if( ref != NULL ){
klauss 3:cd9148672e25 253 ref += 6; // audio
klauss 3:cd9148672e25 254 ref = strtok( ref, " ");
klauss 3:cd9148672e25 255 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 3:cd9148672e25 256 waiting = true;
klauss 3:cd9148672e25 257 }
klauss 3:cd9148672e25 258 }
klauss 3:cd9148672e25 259 }
klauss 0:4d17cd9c8f9d 260 if( status == sip_trying ){
klauss 4:de46f0d9b14d 261 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 29:7246460b73f8 262 if( debug_sip ) debug_msg("ringing");
klauss 0:4d17cd9c8f9d 263 t.reset();
klauss 0:4d17cd9c8f9d 264 set_status( status, sip_ringing );
klauss 0:4d17cd9c8f9d 265 }
klauss 0:4d17cd9c8f9d 266 }
klauss 0:4d17cd9c8f9d 267 if( status == sip_waiting_trying ){
klauss 4:de46f0d9b14d 268 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 29:7246460b73f8 269 if( debug_sip ) debug_msg("trying")
klauss 0:4d17cd9c8f9d 270 t.reset();
klauss 0:4d17cd9c8f9d 271 set_status( status, sip_trying );
klauss 0:4d17cd9c8f9d 272 }
klauss 0:4d17cd9c8f9d 273 }
klauss 0:4d17cd9c8f9d 274 }else if( reconnect.read() > 4 ){
klauss 0:4d17cd9c8f9d 275 sock.close();
klauss 0:4d17cd9c8f9d 276 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 277 sock.init();
klauss 0:4d17cd9c8f9d 278 sock.set_blocking( false, 1 );
klauss 29:7246460b73f8 279 if( debug_sip ) debug_msg("Reconnect");
klauss 0:4d17cd9c8f9d 280 reconnect.reset();
klauss 0:4d17cd9c8f9d 281 //sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 282 led4 = !led4;
klauss 0:4d17cd9c8f9d 283 }
klauss 3:cd9148672e25 284 if( waiting == true ){
klauss 3:cd9148672e25 285 char * tmp = call->get_eth_message( &length );
klauss 3:cd9148672e25 286 if( tmp != NULL ){
klauss 3:cd9148672e25 287 uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__,
klauss 3:cd9148672e25 288 tmp, __AUDIO__, length, (uint8_t *)buffer );
klauss 3:cd9148672e25 289 __send_to_cb__( pkg2cb );
klauss 3:cd9148672e25 290 }
klauss 3:cd9148672e25 291 }
klauss 0:4d17cd9c8f9d 292 }
klauss 0:4d17cd9c8f9d 293
klauss 29:7246460b73f8 294 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 295 if( t.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 296 set_status(status, sip_denied);
klauss 14:22a35f575502 297 send_bye();
klauss 0:4d17cd9c8f9d 298 }
klauss 3:cd9148672e25 299 delete( call );
klauss 0:4d17cd9c8f9d 300 return( NULL );
klauss 0:4d17cd9c8f9d 301 }
klauss 0:4d17cd9c8f9d 302
klauss 0:4d17cd9c8f9d 303 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 304 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 305 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 306 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 307 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 308 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 309 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 310 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 311 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 312 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 314 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 315 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 316 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 317 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 319 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 320 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 321 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 322 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 323 strcat( buffer, "\r\nFrom: " );
klauss 4:de46f0d9b14d 324 // mudar isso aqui pra algo mais compreensivel pra cc
klauss 0:4d17cd9c8f9d 325 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 326 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 327 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 328 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 329 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 330 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 331 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 332 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 333 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 335 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 336 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 337 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 338 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 339 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 340 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 341 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 342 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 343 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 344 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 345 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 346 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 347 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 348 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 349 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 350 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 351 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 352 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 353 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 354 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 355 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 356 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 357
klauss 0:4d17cd9c8f9d 358 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 359 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 360 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 361 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 362 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 363 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 364 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 365 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 366 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 367 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 368 strcat( buffer, ">;expires=120" );
klauss 0:4d17cd9c8f9d 369 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 370 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 371 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 372
klauss 0:4d17cd9c8f9d 373 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 374 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 375 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 376 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 377 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 378 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 379 return buffer;
klauss 0:4d17cd9c8f9d 380 }
klauss 0:4d17cd9c8f9d 381
klauss 0:4d17cd9c8f9d 382 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 383 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 384 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 385 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 386 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 387 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 388 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 389 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 390 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 391 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 392
klauss 0:4d17cd9c8f9d 393 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 394 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 395
klauss 0:4d17cd9c8f9d 396 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 397 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 398 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 399 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 400 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 401 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 402 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 403 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 404 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 405 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 406 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 407 strcat( header, "." );
klauss 0:4d17cd9c8f9d 408 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 409 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 410 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 411 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 412 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 413 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 414 strcat( header, "." );
klauss 0:4d17cd9c8f9d 415 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 416 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 417 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 418 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 419 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 420 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 421 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 422 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 423 strcat( header, branch );
klauss 0:4d17cd9c8f9d 424 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 425 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 426 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 427 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 428 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 429 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 430 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 431 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 432 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 433 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 434 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 435 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 436 strcat( header, tag );
klauss 0:4d17cd9c8f9d 437 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 438 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 439 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 440 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 441 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 442 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 443 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 444 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 445 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 446 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 447 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 448 strcat( header, callid );
klauss 0:4d17cd9c8f9d 449 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 450 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 451 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 452 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 453 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 454 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 455 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 456 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 457 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 458 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 459 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 460 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 461 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 462 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 463 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 464 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 465 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 466 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 467 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 468 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 469 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 470 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 471 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 472 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 473 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 474 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 475 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 476 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 477 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 478 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 479 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 480 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 481 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 482 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 483
klauss 0:4d17cd9c8f9d 484 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 485 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 486 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 487 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 488 strcat( body, " " );
klauss 0:4d17cd9c8f9d 489 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 490 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 491 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 492 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 493 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 494 strcat( body, " " );
klauss 0:4d17cd9c8f9d 495 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 496 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 497 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 498 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 499 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 500 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 501 strcat( body, " " );
klauss 0:4d17cd9c8f9d 502 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 503 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 504 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 505 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 506 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 507 strcat( body, " " );
klauss 0:4d17cd9c8f9d 508 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 509 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 510 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 511 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 512 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 513 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 514 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 515 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 516 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 517 strcat( body, " " );
klauss 0:4d17cd9c8f9d 518 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 519 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 520 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 521 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 522 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 523 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 524 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 525 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 526 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 527 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 528 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 529 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 530 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 531 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 532 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 533 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 534 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 535 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 536 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 537 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 538 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 539 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 540 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 541 strcat( body, " " );
klauss 0:4d17cd9c8f9d 542 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 543 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 544 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 545 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 546 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 547 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 548
klauss 0:4d17cd9c8f9d 549 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 550 return( pkg );
klauss 0:4d17cd9c8f9d 551 }
klauss 0:4d17cd9c8f9d 552
klauss 0:4d17cd9c8f9d 553 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 554 int size;
klauss 0:4d17cd9c8f9d 555 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 556 size = strlen( body );
klauss 0:4d17cd9c8f9d 557 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 558 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 559 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 560 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 561 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 562 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 563 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 564 return pkg;
klauss 0:4d17cd9c8f9d 565 }
klauss 0:4d17cd9c8f9d 566
klauss 0:4d17cd9c8f9d 567 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 568 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 569 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 570 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 571 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 572 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 573
klauss 0:4d17cd9c8f9d 574 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 575 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 576 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 577 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 578 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 579 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 580 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 581 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 582 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 583 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 584 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 585 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 586 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 587 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 588 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 589 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 590 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 591 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 592 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 593 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 594 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 595 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 596 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 597 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 598 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 599 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 600 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 601 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 602 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 603 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 604 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 606 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 607 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 611 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 615 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 616 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 617 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 619 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 622 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 630 return( buffer );
klauss 0:4d17cd9c8f9d 631 }
klauss 0:4d17cd9c8f9d 632 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 633 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 634 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 635 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 636 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 637 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 638 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 639 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 640 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 641 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 642 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 643 return NULL;
klauss 0:4d17cd9c8f9d 644 }
klauss 0:4d17cd9c8f9d 645 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 646 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 647 return NULL;
klauss 0:4d17cd9c8f9d 648 }
klauss 0:4d17cd9c8f9d 649 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 650 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 651 return NULL;
klauss 0:4d17cd9c8f9d 652 }
klauss 0:4d17cd9c8f9d 653 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 654 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 655
klauss 0:4d17cd9c8f9d 656 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 657 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 658 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 659 }
klauss 0:4d17cd9c8f9d 660 }
klauss 0:4d17cd9c8f9d 661 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 662 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 663 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 664 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 665 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 666 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 667 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 668 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 669 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 670 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 671 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 672 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 673 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 674 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 675 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 676 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 677 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 678 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 679 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 680 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 681 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 682 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 683 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 684 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 685 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 686 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 687 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 688 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 689 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 690 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 691 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 692 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 693 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 694 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 695 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 696 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 697 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 698 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 699 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 700 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 701 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 702 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 703 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 704 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 705 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 706 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 707 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 708 return( buffer );
klauss 0:4d17cd9c8f9d 709 }
klauss 0:4d17cd9c8f9d 710
klauss 0:4d17cd9c8f9d 711 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 712 char a[32];
klauss 0:4d17cd9c8f9d 713 int i = 0, j;
klauss 0:4d17cd9c8f9d 714 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 715 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 716 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 717 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 718 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 719 j = i+i;
klauss 0:4d17cd9c8f9d 720 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 721 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 722 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 723 }
klauss 0:4d17cd9c8f9d 724
klauss 0:4d17cd9c8f9d 725 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 726 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 727 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 728 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 729 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 730 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 731
klauss 0:4d17cd9c8f9d 732 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 733 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 734 return NULL;
klauss 0:4d17cd9c8f9d 735 }
klauss 0:4d17cd9c8f9d 736 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 737 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 738 return NULL;
klauss 0:4d17cd9c8f9d 739 }
klauss 0:4d17cd9c8f9d 740 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 741 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 742 return NULL;
klauss 0:4d17cd9c8f9d 743 }
klauss 0:4d17cd9c8f9d 744 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 745 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 746 return NULL;
klauss 0:4d17cd9c8f9d 747 }
klauss 0:4d17cd9c8f9d 748 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 749 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 750 return NULL;
klauss 0:4d17cd9c8f9d 751 }
klauss 0:4d17cd9c8f9d 752
klauss 0:4d17cd9c8f9d 753 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 754 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 755 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 756 }
klauss 0:4d17cd9c8f9d 757 }
klauss 0:4d17cd9c8f9d 758
klauss 0:4d17cd9c8f9d 759 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 760 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 761 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 762 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 763 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 764 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 765 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 766 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 767 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 768 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 769 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 770 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 771 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 772 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 773 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 774 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 775 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 776 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 777 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 778 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 779 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 780 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 781 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 782 return( buffer );
klauss 0:4d17cd9c8f9d 783 }
klauss 0:4d17cd9c8f9d 784 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 785 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 786 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 787 return( buffer );
klauss 0:4d17cd9c8f9d 788 }
klauss 0:4d17cd9c8f9d 789
klauss 0:4d17cd9c8f9d 790 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 791 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 792 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 793 return( buffer );
klauss 0:4d17cd9c8f9d 794 }
klauss 0:4d17cd9c8f9d 795 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 796 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 797 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 798 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 799 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 800 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 801 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 802
klauss 0:4d17cd9c8f9d 803 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 804 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 805 return NULL;
klauss 0:4d17cd9c8f9d 806 }
klauss 0:4d17cd9c8f9d 807 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 808 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 809 return NULL;
klauss 0:4d17cd9c8f9d 810 }
klauss 0:4d17cd9c8f9d 811 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 812 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 813 return NULL;
klauss 0:4d17cd9c8f9d 814 }
klauss 0:4d17cd9c8f9d 815 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 816 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 817 return NULL;
klauss 0:4d17cd9c8f9d 818 }
klauss 0:4d17cd9c8f9d 819 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 820 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 821 return NULL;
klauss 0:4d17cd9c8f9d 822 }
klauss 0:4d17cd9c8f9d 823
klauss 0:4d17cd9c8f9d 824 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 825 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 826 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 827 }
klauss 0:4d17cd9c8f9d 828 }
klauss 0:4d17cd9c8f9d 829 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 830
klauss 0:4d17cd9c8f9d 831 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 832 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 833 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 834 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 835 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 836 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 837
klauss 0:4d17cd9c8f9d 838 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 839 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 840 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 841
klauss 0:4d17cd9c8f9d 842 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 843 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 844 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 845
klauss 0:4d17cd9c8f9d 846 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 847 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 848 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 849
klauss 0:4d17cd9c8f9d 850 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 851 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 852 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 853
klauss 0:4d17cd9c8f9d 854 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 855 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 856 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 857 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 858 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 859 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 860
klauss 0:4d17cd9c8f9d 861 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 862 return( buffer );
klauss 0:4d17cd9c8f9d 863 }
klauss 0:4d17cd9c8f9d 864 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 865 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 866 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 867 return( buffer );
klauss 0:4d17cd9c8f9d 868 }
klauss 0:4d17cd9c8f9d 869
klauss 0:4d17cd9c8f9d 870 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 871 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 872 seed += 1;
klauss 0:4d17cd9c8f9d 873 srand( seed );
klauss 0:4d17cd9c8f9d 874
klauss 0:4d17cd9c8f9d 875 int i;
klauss 0:4d17cd9c8f9d 876 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 877 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 878 }
klauss 0:4d17cd9c8f9d 879 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 880 return( buffer );
klauss 0:4d17cd9c8f9d 881 }
klauss 0:4d17cd9c8f9d 882
klauss 0:4d17cd9c8f9d 883 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 884 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 885 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 886 /* initial value, random number */
klauss 0:4d17cd9c8f9d 887 cseq = rand();
klauss 0:4d17cd9c8f9d 888 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 889 }
klauss 0:4d17cd9c8f9d 890 cseq++;
klauss 0:4d17cd9c8f9d 891 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 892 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 893 return cseq;
klauss 0:4d17cd9c8f9d 894 }
klauss 0:4d17cd9c8f9d 895
klauss 0:4d17cd9c8f9d 896 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 897 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 898 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 899 int i = 0;
klauss 0:4d17cd9c8f9d 900 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 901 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 902 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 903 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 904 } else {
klauss 0:4d17cd9c8f9d 905 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 906 }
klauss 0:4d17cd9c8f9d 907 return( cseq );
klauss 0:4d17cd9c8f9d 908 }
klauss 0:4d17cd9c8f9d 909
klauss 0:4d17cd9c8f9d 910 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 911 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 912 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 913 int i = 0;
klauss 0:4d17cd9c8f9d 914 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 915 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 916 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 917 } else {
klauss 0:4d17cd9c8f9d 918 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 919 }
klauss 0:4d17cd9c8f9d 920 return( branch );
klauss 0:4d17cd9c8f9d 921 }
klauss 0:4d17cd9c8f9d 922 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 923 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 924 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 925 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 926 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 927 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 928 char * s;
klauss 0:4d17cd9c8f9d 929 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 930 register int j = 0;
klauss 0:4d17cd9c8f9d 931 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 932 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 933 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 934 return 1; // found
klauss 0:4d17cd9c8f9d 935 }
klauss 0:4d17cd9c8f9d 936 }
klauss 0:4d17cd9c8f9d 937 return 0; // not found
klauss 0:4d17cd9c8f9d 938 }
klauss 0:4d17cd9c8f9d 939
klauss 0:4d17cd9c8f9d 940 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 941 return this->id;
klauss 0:4d17cd9c8f9d 942 }
klauss 0:4d17cd9c8f9d 943 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 944 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 945 }
klauss 0:4d17cd9c8f9d 946 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 947 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 948 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 949 }
klauss 0:4d17cd9c8f9d 950
klauss 0:4d17cd9c8f9d 951 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 952 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 953 // mudar para os sets
klauss 0:4d17cd9c8f9d 954 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 955 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 956 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 957 registry();
klauss 0:4d17cd9c8f9d 958 }
klauss 0:4d17cd9c8f9d 959
klauss 0:4d17cd9c8f9d 960 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 961 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 962 return server_ip;
klauss 0:4d17cd9c8f9d 963 }
klauss 0:4d17cd9c8f9d 964 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 965 return this->server_port;
klauss 0:4d17cd9c8f9d 966 }
klauss 0:4d17cd9c8f9d 967 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 968 return this->peer_ext;
klauss 0:4d17cd9c8f9d 969 }
klauss 0:4d17cd9c8f9d 970 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 971 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 972 }
klauss 0:4d17cd9c8f9d 973 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 974 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 975 }
klauss 0:4d17cd9c8f9d 976 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 977 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 978 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 979 }
klauss 0:4d17cd9c8f9d 980
klauss 0:4d17cd9c8f9d 981 /* Retorna
klauss 0:4d17cd9c8f9d 982 = 0 :: ok
klauss 0:4d17cd9c8f9d 983 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 984 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 985 */
klauss 0:4d17cd9c8f9d 986 int Sip::listen_SIP_server( void ){
klauss 14:22a35f575502 987 sock.set_blocking( false, 1 );
klauss 15:9c7456c1b6f4 988 //debug_msg("");
klauss 33:735fd60e96d8 989 //uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 990 uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 9:ffa64f38ef9c 991 if( read > 0 ){
klauss 13:ae278302dffe 992 //debug_msg( "-- SIP recebeu algo --" );
klauss 0:4d17cd9c8f9d 993 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 994 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 995 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 996 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 38:af5ecd6997ab 997 sock.sendTo( sip_server, ans, 768 );
klauss 33:735fd60e96d8 998 if( debug_sip ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 0:4d17cd9c8f9d 999 return( this->my_ext );
klauss 0:4d17cd9c8f9d 1000 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 1001 char ans[ 2000 ];
klauss 33:735fd60e96d8 1002 if( debug_sip ) debug_msg("Options received ");
klauss 0:4d17cd9c8f9d 1003 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 1004 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 33:735fd60e96d8 1005 sock.sendTo( sip_server, ans, 512 );
klauss 0:4d17cd9c8f9d 1006 }
klauss 0:4d17cd9c8f9d 1007 }
klauss 0:4d17cd9c8f9d 1008 return( 0 );
klauss 0:4d17cd9c8f9d 1009 }
klauss 0:4d17cd9c8f9d 1010
klauss 0:4d17cd9c8f9d 1011 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 1012 my_ext = ext;
klauss 0:4d17cd9c8f9d 1013 }
klauss 0:4d17cd9c8f9d 1014
klauss 0:4d17cd9c8f9d 1015 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 1016 my_port = port;
klauss 0:4d17cd9c8f9d 1017 }
klauss 0:4d17cd9c8f9d 1018
klauss 0:4d17cd9c8f9d 1019 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 1020 build_bye_package( this->buffer );
klauss 0:4d17cd9c8f9d 1021 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1022 }
klauss 0:4d17cd9c8f9d 1023
klauss 0:4d17cd9c8f9d 1024 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 1025 build_unregistry_package( this->buffer );
klauss 0:4d17cd9c8f9d 1026 for( register int i = 0; i < 7; i++ )
klauss 0:4d17cd9c8f9d 1027 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1028 }
klauss 0:4d17cd9c8f9d 1029
klauss 0:4d17cd9c8f9d 1030 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 1031 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1032 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1033 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1034 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 1035 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 1036 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 1037 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 1038 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1039 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1041 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1042 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1043 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1044 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1045 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1046 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1047 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1048 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1051 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1052 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1053 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1054 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1055 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1056 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1057 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1058 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1059 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1060 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1061 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1062 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1063 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1064 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1065 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1066 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1067 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1068 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1069 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1070 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1071 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1072 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1073 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1074 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1075 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1076 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1077 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1078 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1079 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1080 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1081 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1082 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1083
klauss 0:4d17cd9c8f9d 1084 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1085 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1086 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1087 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1088 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1089 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1090 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1091 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1092 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1093 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1094 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1095 /*
klauss 0:4d17cd9c8f9d 1096 strcat( buffer, ">;expires=" );
klauss 0:4d17cd9c8f9d 1097 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1098 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1099 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1100 */
klauss 0:4d17cd9c8f9d 1101
klauss 0:4d17cd9c8f9d 1102 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1103 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1104 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1105 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1106 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1107 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1108 return buffer;
klauss 0:4d17cd9c8f9d 1109 }