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@43:455522f98de5, 2014-10-06 (annotated)

Committer:
klauss
Date:
Mon Oct 06 14:31:54 2014 +0000
Revision:
43:455522f98de5
Parent:
38:af5ecd6997ab
Child:
46:a670f187a704
prompt tcp ainda em validacao, conseguindo fazer ligacoes

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