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@92:92df17f538a8, 2015-01-10 (annotated)

Committer:
klauss
Date:
Sat Jan 10 16:35:11 2015 +0000
Revision:
92:92df17f538a8
Parent:
91:c2a86b1f8aaa
Child:
97:8985817e8847
with supress

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "sip.h"
klauss 0:4d17cd9c8f9d 2
klauss 0:4d17cd9c8f9d 3 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 4 sip_server.set_address( this->server_ip , this->server_port );
klauss 89:0fe315117b00 5 //sock.set_blocking( false, 5 ); // verificar isso com mais cuidado depois
klauss 89:0fe315117b00 6 sock.set_blocking( false, 0 );
klauss 0:4d17cd9c8f9d 7 sock.bind( this->my_port );
klauss 82:f55d13babca0 8 //sock.init();
klauss 0:4d17cd9c8f9d 9 }
klauss 0:4d17cd9c8f9d 10
klauss 48:195c97f12e8e 11 void Sip::__end_sock__( void ){
klauss 0:4d17cd9c8f9d 12 sock.close();
klauss 0:4d17cd9c8f9d 13 }
klauss 0:4d17cd9c8f9d 14
klauss 48:195c97f12e8e 15 void Sip::__reconnect__( void ){
klauss 48:195c97f12e8e 16 sock.close();
klauss 48:195c97f12e8e 17 sock.init();
klauss 82:f55d13babca0 18 sock.bind( this->my_port );
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 81:3656f00ab3db 41 muted = false;
klauss 91:c2a86b1f8aaa 42
klauss 91:c2a86b1f8aaa 43 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 44
klauss 91:c2a86b1f8aaa 45 call = NULL;
klauss 91:c2a86b1f8aaa 46
klauss 91:c2a86b1f8aaa 47 ok_sent = 0;
klauss 91:c2a86b1f8aaa 48 waiting = false;
klauss 91:c2a86b1f8aaa 49 length_muted = 0;
klauss 91:c2a86b1f8aaa 50 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 51
klauss 85:b6f2dc1d0f4f 52 sip_new_counter++;
klauss 0:4d17cd9c8f9d 53 }
klauss 29:7246460b73f8 54
klauss 29:7246460b73f8 55 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 56 FILE * fp = NULL;
klauss 29:7246460b73f8 57 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 58
klauss 29:7246460b73f8 59 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 60
klauss 29:7246460b73f8 61 this->id = id;
klauss 29:7246460b73f8 62
klauss 28:94aec56c6329 63 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 64 if( fp == NULL){
klauss 29:7246460b73f8 65 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 66 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 67 }else{
klauss 50:d9b6577a70f5 68 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 69 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 70 if( read > 0 ){
klauss 46:a670f187a704 71 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 72 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 73 tmp[ i ] = '\0';
klauss 46:a670f187a704 74 break;
klauss 46:a670f187a704 75 }
klauss 43:455522f98de5 76 strcpy( this->server_ip, tmp );
klauss 50:d9b6577a70f5 77 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 78 }else{
klauss 29:7246460b73f8 79 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 80 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 81 }
klauss 28:94aec56c6329 82 }
klauss 28:94aec56c6329 83 fclose( fp );
klauss 50:d9b6577a70f5 84 this->server_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 85
klauss 28:94aec56c6329 86 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 87 if( fp == NULL ){
klauss 29:7246460b73f8 88 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 89 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 90 }else{
klauss 29:7246460b73f8 91 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 92 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 93 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 94 }else{
klauss 29:7246460b73f8 95 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 96 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 97 }
klauss 28:94aec56c6329 98 }
klauss 28:94aec56c6329 99 fclose( fp );
klauss 28:94aec56c6329 100
klauss 28:94aec56c6329 101 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 102 if (fp == NULL){
klauss 29:7246460b73f8 103 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 104 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 105 }else{
klauss 50:d9b6577a70f5 106 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 107 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 108 if( read > 0 ){
klauss 46:a670f187a704 109 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 110 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 111 tmp[ i ] = '\0';
klauss 46:a670f187a704 112 break;
klauss 46:a670f187a704 113 }
klauss 43:455522f98de5 114 strcpy( this->my_ip, tmp );
klauss 50:d9b6577a70f5 115 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 116 }else{
klauss 29:7246460b73f8 117 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 118 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 119 }
klauss 27:98f824719d1c 120 }
klauss 27:98f824719d1c 121 fclose( fp );
klauss 46:a670f187a704 122
klauss 50:d9b6577a70f5 123 this->my_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 124
klauss 28:94aec56c6329 125 this->my_port = my_port;
klauss 28:94aec56c6329 126 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 127 this->my_ext = id;
klauss 28:94aec56c6329 128 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 129
klauss 28:94aec56c6329 130 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 131 if( fp == NULL ) {
klauss 29:7246460b73f8 132 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 133 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 134 } else {
klauss 29:7246460b73f8 135 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 136 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 137 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 138 } else {
klauss 29:7246460b73f8 139 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 140 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 141 }
klauss 28:94aec56c6329 142 }
klauss 28:94aec56c6329 143 fclose( fp );
klauss 0:4d17cd9c8f9d 144 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 145 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 146 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 147 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 148 status = sip_idle;
klauss 0:4d17cd9c8f9d 149
klauss 0:4d17cd9c8f9d 150 __init_sock__();
klauss 81:3656f00ab3db 151 muted = false;
klauss 85:b6f2dc1d0f4f 152
klauss 91:c2a86b1f8aaa 153 invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 154 call = NULL;
klauss 91:c2a86b1f8aaa 155
klauss 91:c2a86b1f8aaa 156 ok_sent = 0;
klauss 91:c2a86b1f8aaa 157 waiting = false;
klauss 91:c2a86b1f8aaa 158 length_muted = 0;
klauss 91:c2a86b1f8aaa 159 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 160
klauss 85:b6f2dc1d0f4f 161 sip_new_counter++;
klauss 0:4d17cd9c8f9d 162 }
klauss 29:7246460b73f8 163
klauss 0:4d17cd9c8f9d 164 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 165 __end_sock__();
klauss 85:b6f2dc1d0f4f 166 sip_delete_counter++;
klauss 0:4d17cd9c8f9d 167 }
klauss 0:4d17cd9c8f9d 168
klauss 78:1353744f01e1 169 int Sip::registry(){
klauss 28:94aec56c6329 170 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 171 build_registry_package( buffer );
klauss 81:3656f00ab3db 172
klauss 91:c2a86b1f8aaa 173 int sent = sock.sendTo( sip_server, buffer, strlen( buffer ) ); // > 400
klauss 91:c2a86b1f8aaa 174
klauss 91:c2a86b1f8aaa 175 if( debug_sip ) debug_msg("Sent %i of %i bytes to ext %d", sent, strlen( buffer ), my_ext );
klauss 85:b6f2dc1d0f4f 176
klauss 92:92df17f538a8 177 if( sent != strlen( buffer ) ){
klauss 92:92df17f538a8 178 sip_socket_send_failure++;
klauss 92:92df17f538a8 179 }
klauss 92:92df17f538a8 180
klauss 91:c2a86b1f8aaa 181 return( sent );
klauss 78:1353744f01e1 182
klauss 89:0fe315117b00 183 /*
klauss 0:4d17cd9c8f9d 184 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 185 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 186 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 81:3656f00ab3db 187 // esse teste nao esta mais em uso, uma vez que na
klauss 81:3656f00ab3db 188 // configuracao atual do asterisk nao existe
klauss 81:3656f00ab3db 189 // mais o envio desse pacote
klauss 13:ae278302dffe 190 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 191 build_reply_package( ans, (unsigned char*)buffer );
klauss 89:0fe315117b00 192 //sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 89:0fe315117b00 193 sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 89:0fe315117b00 194 if( debug_sip ) send_msg( "sizeof( Registry reply pkg ) :: %d", strlen( ans ) );
klauss 0:4d17cd9c8f9d 195 }
klauss 0:4d17cd9c8f9d 196 }
klauss 0:4d17cd9c8f9d 197 }
klauss 89:0fe315117b00 198 */
klauss 0:4d17cd9c8f9d 199 }
klauss 0:4d17cd9c8f9d 200
klauss 0:4d17cd9c8f9d 201 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 202 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 203 itoa( get_id(), callbox_string, 10 );
klauss 91:c2a86b1f8aaa 204
klauss 91:c2a86b1f8aaa 205 if( status == sip_on_call ) return call;
klauss 87:679ee0d594a9 206
klauss 91:c2a86b1f8aaa 207 else if( status == sip_idle ){
klauss 91:c2a86b1f8aaa 208 int cseq = 0;
klauss 91:c2a86b1f8aaa 209
klauss 91:c2a86b1f8aaa 210 call = NULL;
klauss 91:c2a86b1f8aaa 211
klauss 91:c2a86b1f8aaa 212 build_invite_package( buffer, callbox_string, &cseq );
klauss 91:c2a86b1f8aaa 213
klauss 91:c2a86b1f8aaa 214 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 215
klauss 91:c2a86b1f8aaa 216 do{
klauss 91:c2a86b1f8aaa 217 this->invite_pkg_sent = sock.sendTo( sip_server, buffer, strlen( buffer ) );
klauss 91:c2a86b1f8aaa 218 }while( this->invite_pkg_sent == 0 );
klauss 78:1353744f01e1 219
klauss 91:c2a86b1f8aaa 220 if( debug_invite ) debug_msg("Return value for invite pkg %d", invite_pkg_sent );
klauss 91:c2a86b1f8aaa 221
klauss 91:c2a86b1f8aaa 222 invite_timer.start();
klauss 91:c2a86b1f8aaa 223
klauss 91:c2a86b1f8aaa 224 set_status( status, sip_waiting_trying );
klauss 91:c2a86b1f8aaa 225
klauss 91:c2a86b1f8aaa 226 waiting = false;
klauss 91:c2a86b1f8aaa 227
klauss 91:c2a86b1f8aaa 228 ok_sent = 0;
klauss 91:c2a86b1f8aaa 229
klauss 91:c2a86b1f8aaa 230 length_muted = 0;
klauss 78:1353744f01e1 231 }
klauss 0:4d17cd9c8f9d 232
klauss 78:1353744f01e1 233 if( invite_timer.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 92:92df17f538a8 234 if( debug_invite == true ) debug_msg("Invite call timeout :(");
klauss 91:c2a86b1f8aaa 235
klauss 91:c2a86b1f8aaa 236 if( ( this->invite_pkg_sent == -1 ) || length_muted || ok_sent == -1 ){
klauss 81:3656f00ab3db 237 muted = true;
klauss 81:3656f00ab3db 238 if( debug_invite || debug_muted ) debug_msg("RX from eth having situation, length_muted( %d ) - ok_sent( %d )", length_muted, ok_sent );
klauss 81:3656f00ab3db 239 ok_sent = 0;
klauss 81:3656f00ab3db 240 length_muted = 0;
klauss 81:3656f00ab3db 241 __reconnect__();
klauss 81:3656f00ab3db 242 }else{
klauss 81:3656f00ab3db 243 muted = false;
klauss 81:3656f00ab3db 244 }
klauss 81:3656f00ab3db 245
klauss 78:1353744f01e1 246 if( debug_invite ) debug_msg("Timeout do pedido");
klauss 78:1353744f01e1 247 invite_timer.stop();
klauss 78:1353744f01e1 248 invite_timer.reset();
klauss 81:3656f00ab3db 249 set_status( status, sip_denied );
klauss 78:1353744f01e1 250 send_bye();
klauss 91:c2a86b1f8aaa 251
klauss 91:c2a86b1f8aaa 252 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 253 call = NULL;
klauss 78:1353744f01e1 254 return( NULL );
klauss 78:1353744f01e1 255 }
klauss 77:e8c0253b57bc 256
klauss 91:c2a86b1f8aaa 257 if( waiting == true ){ return call; }
klauss 91:c2a86b1f8aaa 258
klauss 91:c2a86b1f8aaa 259 else return( NULL );
klauss 0:4d17cd9c8f9d 260 }
klauss 0:4d17cd9c8f9d 261
klauss 0:4d17cd9c8f9d 262 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 263 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 264 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 265 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 266 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 267 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 268 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 269 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 270 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 271 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 272 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 273 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 274 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 275 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 276 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 277 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 278 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 279 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 280 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 281 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 282 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 283 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 284 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 285 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 286 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 287 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 288 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 289 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 290 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 291 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 292 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 293 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 294 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 295 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 296 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 297 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 298 itoa( my_ext, itoa_buffer, 10 );
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, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 306 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 307 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 308 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 309 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 310 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 311 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 312 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 314 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 315
klauss 0:4d17cd9c8f9d 316 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 317 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 319 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 320 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 321 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 322 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 323 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 324 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 325 strcat( buffer, itoa_buffer );
klauss 92:92df17f538a8 326 strcat( buffer, ">;expires=270" );
klauss 0:4d17cd9c8f9d 327 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 328 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 329 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 330
klauss 0:4d17cd9c8f9d 331 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 332 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 333 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 335 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 336 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 337 return buffer;
klauss 0:4d17cd9c8f9d 338 }
klauss 0:4d17cd9c8f9d 339
klauss 0:4d17cd9c8f9d 340 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 341 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 342 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 343 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 344 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 345 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 346 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 347 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 348 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 349 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 350
klauss 0:4d17cd9c8f9d 351 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 352 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 353
klauss 0:4d17cd9c8f9d 354 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 355 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 356 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 357 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 358 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 359 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 360 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 361 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 362 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 363 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 364 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 365 strcat( header, "." );
klauss 0:4d17cd9c8f9d 366 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 367 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 368 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 369 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 370 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 371 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 372 strcat( header, "." );
klauss 0:4d17cd9c8f9d 373 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 374 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 375 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 376 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 377 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 378 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 379 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 380 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 381 strcat( header, branch );
klauss 0:4d17cd9c8f9d 382 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 383 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 384 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 385 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 386 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 387 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 388 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 389 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 390 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 391 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 392 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 393 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 394 strcat( header, tag );
klauss 0:4d17cd9c8f9d 395 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 396 strcat( header, "To: <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, ">\r\n" );
klauss 0:4d17cd9c8f9d 405 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 406 strcat( header, callid );
klauss 0:4d17cd9c8f9d 407 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 408 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 409 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 410 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 411 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 412 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 413 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 414 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 415 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 416 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 417 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 418 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 419 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 420 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 421 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 422 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 423 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 424 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 425 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 426 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 427 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 428 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 429 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 430 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 431 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 432 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 433 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 434 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 435 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 436 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 437 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 438 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 439 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 440 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 441
klauss 0:4d17cd9c8f9d 442 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 443 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 444 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 445 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 446 strcat( body, " " );
klauss 0:4d17cd9c8f9d 447 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 448 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 449 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 450 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 451 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 452 strcat( body, " " );
klauss 0:4d17cd9c8f9d 453 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 454 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 455 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 456 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 457 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 458 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 459 strcat( body, " " );
klauss 0:4d17cd9c8f9d 460 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 461 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 462 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 463 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 464 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 465 strcat( body, " " );
klauss 0:4d17cd9c8f9d 466 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 467 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 468 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 469 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 470 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 471 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 472 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 473 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 474 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 475 strcat( body, " " );
klauss 0:4d17cd9c8f9d 476 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 477 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 478 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 479 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 480 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 481 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 482 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 483 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 484 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 485 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 486 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 487 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 488 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 489 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 490 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 491 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 492 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 493 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 494 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 495 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 496 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 497 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 498 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 499 strcat( body, " " );
klauss 0:4d17cd9c8f9d 500 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 501 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 502 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 503 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 504 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 505 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 506
klauss 0:4d17cd9c8f9d 507 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 508 return( pkg );
klauss 0:4d17cd9c8f9d 509 }
klauss 0:4d17cd9c8f9d 510
klauss 0:4d17cd9c8f9d 511 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 512 int size;
klauss 0:4d17cd9c8f9d 513 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 514 size = strlen( body );
klauss 0:4d17cd9c8f9d 515 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 516 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 517 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 518 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 519 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 520 strcat( pkg, body );
klauss 89:0fe315117b00 521 //pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 522 return pkg;
klauss 0:4d17cd9c8f9d 523 }
klauss 0:4d17cd9c8f9d 524
klauss 0:4d17cd9c8f9d 525 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 526 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 527 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 528 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 529 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 530 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 531
klauss 0:4d17cd9c8f9d 532 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 533 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 534 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 535 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 536 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 537 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 538 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 539 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 540 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 541 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 542 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 543 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 544 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 545 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 546 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 547 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 548 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 549 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 550 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 551 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 552 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 553 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 554 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 555 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 556 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 557 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 558 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 559 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 560 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 561 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 562 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 563 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 564 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 565 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 566 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 567 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 568 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 569 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 570 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 571 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 572 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 573 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 574 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 575 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 576 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 577 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 578 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 579 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 580 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 581 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 582 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 583 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 584 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 585 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 586 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 587 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 588 return( buffer );
klauss 0:4d17cd9c8f9d 589 }
klauss 0:4d17cd9c8f9d 590 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 591 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 592 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 593 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 594 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 595 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 596 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 597 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 598 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 599 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 600 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 601 return NULL;
klauss 0:4d17cd9c8f9d 602 }
klauss 0:4d17cd9c8f9d 603 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 604 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 605 return NULL;
klauss 0:4d17cd9c8f9d 606 }
klauss 0:4d17cd9c8f9d 607 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 608 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 609 return NULL;
klauss 0:4d17cd9c8f9d 610 }
klauss 0:4d17cd9c8f9d 611 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 612 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 613
klauss 0:4d17cd9c8f9d 614 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 615 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 616 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 617 }
klauss 0:4d17cd9c8f9d 618 }
klauss 0:4d17cd9c8f9d 619 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 620 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 622 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 625 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 630 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 631 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 633 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 634 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 635 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 636 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 637 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 638 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 641 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 642 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 643 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 644 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 645 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 646 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 647 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 649 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 650 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 651 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 652 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 653 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 654 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 655 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 656 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 657 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 658 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 659 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 660 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 661 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 662 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 663 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 664 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 665 //buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 666 return( buffer );
klauss 0:4d17cd9c8f9d 667 }
klauss 0:4d17cd9c8f9d 668
klauss 0:4d17cd9c8f9d 669 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 670 char a[32];
klauss 0:4d17cd9c8f9d 671 int i = 0, j;
klauss 0:4d17cd9c8f9d 672 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 673 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 674 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 675 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 676 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 677 j = i+i;
klauss 0:4d17cd9c8f9d 678 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 679 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 680 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 681 }
klauss 0:4d17cd9c8f9d 682
klauss 0:4d17cd9c8f9d 683 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 684 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 685 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 686 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 687 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 688 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 689
klauss 0:4d17cd9c8f9d 690 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 691 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 692 return NULL;
klauss 0:4d17cd9c8f9d 693 }
klauss 0:4d17cd9c8f9d 694 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 695 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 696 return NULL;
klauss 0:4d17cd9c8f9d 697 }
klauss 0:4d17cd9c8f9d 698 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 699 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 700 return NULL;
klauss 0:4d17cd9c8f9d 701 }
klauss 0:4d17cd9c8f9d 702 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 703 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 704 return NULL;
klauss 0:4d17cd9c8f9d 705 }
klauss 0:4d17cd9c8f9d 706 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 707 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 708 return NULL;
klauss 0:4d17cd9c8f9d 709 }
klauss 0:4d17cd9c8f9d 710
klauss 0:4d17cd9c8f9d 711 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 712 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 713 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 714 }
klauss 0:4d17cd9c8f9d 715 }
klauss 0:4d17cd9c8f9d 716
klauss 0:4d17cd9c8f9d 717 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 718 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 719 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 720 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 721 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 722 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 723 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 724 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 725 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 726 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 727 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 728 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 729 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 730 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 731 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 732 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 733 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 734 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 735 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 736 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 737 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 738 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 739 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 740 return( buffer );
klauss 0:4d17cd9c8f9d 741 }
klauss 0:4d17cd9c8f9d 742 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 743 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 744 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 745 return( buffer );
klauss 0:4d17cd9c8f9d 746 }
klauss 0:4d17cd9c8f9d 747
klauss 0:4d17cd9c8f9d 748 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 749 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 750 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 751 return( buffer );
klauss 0:4d17cd9c8f9d 752 }
klauss 0:4d17cd9c8f9d 753 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 754 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 755 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 756 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 757 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 758 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 759 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 760
klauss 0:4d17cd9c8f9d 761 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 762 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 763 return NULL;
klauss 0:4d17cd9c8f9d 764 }
klauss 0:4d17cd9c8f9d 765 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 766 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 767 return NULL;
klauss 0:4d17cd9c8f9d 768 }
klauss 0:4d17cd9c8f9d 769 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 770 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 771 return NULL;
klauss 0:4d17cd9c8f9d 772 }
klauss 0:4d17cd9c8f9d 773 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 774 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 775 return NULL;
klauss 0:4d17cd9c8f9d 776 }
klauss 0:4d17cd9c8f9d 777 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 778 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 779 return NULL;
klauss 0:4d17cd9c8f9d 780 }
klauss 0:4d17cd9c8f9d 781
klauss 0:4d17cd9c8f9d 782 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 783 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 784 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 785 }
klauss 0:4d17cd9c8f9d 786 }
klauss 0:4d17cd9c8f9d 787 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 788
klauss 0:4d17cd9c8f9d 789 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 790 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 791 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 792 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 793 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 794 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 795
klauss 0:4d17cd9c8f9d 796 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 797 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 798 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 799
klauss 0:4d17cd9c8f9d 800 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 801 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 802 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 803
klauss 0:4d17cd9c8f9d 804 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 805 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 806 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 807
klauss 0:4d17cd9c8f9d 808 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 809 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 810 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 811
klauss 0:4d17cd9c8f9d 812 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 813 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 814 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 815 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 816 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 817 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 818
klauss 89:0fe315117b00 819 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 820 return( buffer );
klauss 0:4d17cd9c8f9d 821 }
klauss 0:4d17cd9c8f9d 822 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 823 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 824 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 825 return( buffer );
klauss 0:4d17cd9c8f9d 826 }
klauss 0:4d17cd9c8f9d 827
klauss 0:4d17cd9c8f9d 828 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 829 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 830 seed += 1;
klauss 0:4d17cd9c8f9d 831 srand( seed );
klauss 0:4d17cd9c8f9d 832
klauss 0:4d17cd9c8f9d 833 int i;
klauss 0:4d17cd9c8f9d 834 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 835 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 836 }
klauss 0:4d17cd9c8f9d 837 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 838 return( buffer );
klauss 0:4d17cd9c8f9d 839 }
klauss 0:4d17cd9c8f9d 840
klauss 0:4d17cd9c8f9d 841 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 842 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 843 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 844 /* initial value, random number */
klauss 0:4d17cd9c8f9d 845 cseq = rand();
klauss 0:4d17cd9c8f9d 846 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 847 }
klauss 0:4d17cd9c8f9d 848 cseq++;
klauss 0:4d17cd9c8f9d 849 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 850 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 851 return cseq;
klauss 0:4d17cd9c8f9d 852 }
klauss 0:4d17cd9c8f9d 853
klauss 0:4d17cd9c8f9d 854 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 855 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 856 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 857 int i = 0;
klauss 0:4d17cd9c8f9d 858 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 859 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 860 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 861 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 862 } else {
klauss 0:4d17cd9c8f9d 863 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 864 }
klauss 0:4d17cd9c8f9d 865 return( cseq );
klauss 0:4d17cd9c8f9d 866 }
klauss 0:4d17cd9c8f9d 867
klauss 0:4d17cd9c8f9d 868 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 869 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 870 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 871 int i = 0;
klauss 0:4d17cd9c8f9d 872 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 873 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 874 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 875 } else {
klauss 0:4d17cd9c8f9d 876 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 877 }
klauss 0:4d17cd9c8f9d 878 return( branch );
klauss 0:4d17cd9c8f9d 879 }
klauss 0:4d17cd9c8f9d 880 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 881 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 882 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 883 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 884 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 885 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 886 char * s;
klauss 0:4d17cd9c8f9d 887 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 888 register int j = 0;
klauss 0:4d17cd9c8f9d 889 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 890 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 891 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 892 return 1; // found
klauss 0:4d17cd9c8f9d 893 }
klauss 0:4d17cd9c8f9d 894 }
klauss 0:4d17cd9c8f9d 895 return 0; // not found
klauss 0:4d17cd9c8f9d 896 }
klauss 0:4d17cd9c8f9d 897
klauss 0:4d17cd9c8f9d 898 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 899 return this->id;
klauss 0:4d17cd9c8f9d 900 }
klauss 0:4d17cd9c8f9d 901 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 902 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 903 }
klauss 0:4d17cd9c8f9d 904 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 905 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 906 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 907 }
klauss 0:4d17cd9c8f9d 908
klauss 0:4d17cd9c8f9d 909 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 910 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 911 // mudar para os sets
klauss 0:4d17cd9c8f9d 912 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 913 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 914 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 915 registry();
klauss 0:4d17cd9c8f9d 916 }
klauss 0:4d17cd9c8f9d 917
klauss 0:4d17cd9c8f9d 918 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 919 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 920 return server_ip;
klauss 0:4d17cd9c8f9d 921 }
klauss 0:4d17cd9c8f9d 922 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 923 return this->server_port;
klauss 0:4d17cd9c8f9d 924 }
klauss 0:4d17cd9c8f9d 925 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 926 return this->peer_ext;
klauss 0:4d17cd9c8f9d 927 }
klauss 0:4d17cd9c8f9d 928 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 929 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 930 }
klauss 0:4d17cd9c8f9d 931 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 932 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 933 }
klauss 0:4d17cd9c8f9d 934 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 935 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 936 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 937 }
klauss 0:4d17cd9c8f9d 938
klauss 0:4d17cd9c8f9d 939 /* Retorna
klauss 0:4d17cd9c8f9d 940 = 0 :: ok
klauss 0:4d17cd9c8f9d 941 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 942 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 943 */
klauss 0:4d17cd9c8f9d 944 int Sip::listen_SIP_server( void ){
klauss 91:c2a86b1f8aaa 945 int ret = listen_SIP_server_return;
klauss 91:c2a86b1f8aaa 946 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 947 return ret;
klauss 0:4d17cd9c8f9d 948 }
klauss 0:4d17cd9c8f9d 949
klauss 0:4d17cd9c8f9d 950 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 951 my_ext = ext;
klauss 0:4d17cd9c8f9d 952 }
klauss 0:4d17cd9c8f9d 953
klauss 0:4d17cd9c8f9d 954 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 955 my_port = port;
klauss 0:4d17cd9c8f9d 956 }
klauss 0:4d17cd9c8f9d 957
klauss 0:4d17cd9c8f9d 958 void Sip::send_bye( void ){
klauss 91:c2a86b1f8aaa 959
klauss 91:c2a86b1f8aaa 960 int ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 961
klauss 91:c2a86b1f8aaa 962 if( debug_sip ) send_msg( "sizeof( bye pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 963
klauss 81:3656f00ab3db 964 if( ret == -1 ){
klauss 81:3656f00ab3db 965 muted = true;
klauss 81:3656f00ab3db 966 }else{
klauss 81:3656f00ab3db 967 muted = false;
klauss 81:3656f00ab3db 968 }
klauss 0:4d17cd9c8f9d 969 }
klauss 0:4d17cd9c8f9d 970
klauss 0:4d17cd9c8f9d 971 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 972 build_unregistry_package( this->buffer );
klauss 91:c2a86b1f8aaa 973
klauss 81:3656f00ab3db 974 int ret = 0;
klauss 91:c2a86b1f8aaa 975
klauss 91:c2a86b1f8aaa 976 ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 977 if( debug_sip ) send_msg("sizeof( unregistry_pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 978
klauss 81:3656f00ab3db 979 if( ret == -1 ){
klauss 81:3656f00ab3db 980 muted = true;
klauss 81:3656f00ab3db 981 }else{
klauss 81:3656f00ab3db 982 muted = false;
klauss 81:3656f00ab3db 983 }
klauss 0:4d17cd9c8f9d 984 }
klauss 0:4d17cd9c8f9d 985
klauss 0:4d17cd9c8f9d 986 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 987 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 988 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 989 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 990 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 991 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 992 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 993 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 994 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 995 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 996 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 997 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 998 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 999 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1000 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1001 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1002 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1003 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1004 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1005 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1006 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1007 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1008 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1009 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1010 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1011 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1012 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1013 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1014 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1015 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1016 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1017 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1018 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1019 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1020 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1021 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1022 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1023 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1024 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1025 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1026 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1027 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1028 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1029 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1030 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1031 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1032 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1033 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1034 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1035 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1036 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1037 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1038 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1039
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1041 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1042 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1043 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1044 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1045 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1046 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1047 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1048 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1051 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1052 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1053 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1054 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1055 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 1056 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1057 return buffer;
klauss 78:1353744f01e1 1058 }
klauss 78:1353744f01e1 1059
klauss 78:1353744f01e1 1060 int Sip::get_status( void ){
klauss 78:1353744f01e1 1061 return this->status;
klauss 78:1353744f01e1 1062 }
klauss 78:1353744f01e1 1063
klauss 78:1353744f01e1 1064 void Sip::sip_set_status( uint8_t status ){
klauss 78:1353744f01e1 1065 this->status = status;
klauss 81:3656f00ab3db 1066 }
klauss 81:3656f00ab3db 1067
klauss 81:3656f00ab3db 1068 void Sip::sip_check_muted( void ){
klauss 81:3656f00ab3db 1069 if( muted == true ) __reconnect__();
klauss 81:3656f00ab3db 1070 if( debug_muted ) send_msg("For some reason sip muted, reconnected");
klauss 89:0fe315117b00 1071 }
klauss 89:0fe315117b00 1072
klauss 89:0fe315117b00 1073 int Sip::get_socket_fd( void ){
klauss 89:0fe315117b00 1074 return sock.get_fd();
klauss 89:0fe315117b00 1075 }
klauss 89:0fe315117b00 1076
klauss 91:c2a86b1f8aaa 1077 int Sip::udp_incomming_pkg( void ){
klauss 91:c2a86b1f8aaa 1078 Endpoint from;
klauss 91:c2a86b1f8aaa 1079
klauss 91:c2a86b1f8aaa 1080 int length = sock.receiveFrom( from, buffer, sizeof( buffer ) );
klauss 91:c2a86b1f8aaa 1081
klauss 91:c2a86b1f8aaa 1082 if( memcmp( ( ( u8_t * )( &(from._remoteHost) ) ) + 2, ( ( u8_t * )( &(sip_server._remoteHost) ) ) + 2, 6 ) != 0 ) return 0;
klauss 91:c2a86b1f8aaa 1083
klauss 91:c2a86b1f8aaa 1084 if( length == -1 ){ length_muted++; }
klauss 91:c2a86b1f8aaa 1085
klauss 91:c2a86b1f8aaa 1086 if( length > 0 ){
klauss 91:c2a86b1f8aaa 1087 if( sizeof( buffer ) > length ) buffer[ length ] = 0;
klauss 91:c2a86b1f8aaa 1088
klauss 91:c2a86b1f8aaa 1089 int sip_response = -1;
klauss 91:c2a86b1f8aaa 1090
klauss 91:c2a86b1f8aaa 1091 // faster than atoi() (:
klauss 91:c2a86b1f8aaa 1092 if( buffer[ 7 ] == ' ' || buffer[ 11 ] == ' ' ){
klauss 91:c2a86b1f8aaa 1093 sip_response = ( buffer[ 8 ] - '0' ) * 100 + ( buffer[ 9 ] - '0' ) * 10 + ( buffer[ 10 ] - '0' );
klauss 91:c2a86b1f8aaa 1094 }
klauss 91:c2a86b1f8aaa 1095
klauss 91:c2a86b1f8aaa 1096 if( ( status == sip_trying ) || ( status == sip_ringing ) || ( status == sip_waiting_trying ) ){
klauss 91:c2a86b1f8aaa 1097 //if( !( strncasecmp( buffer + 7, " 200 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1098 if( sip_response == 200 ){ // Ok
klauss 91:c2a86b1f8aaa 1099 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1100 if( debug_invite ) debug_msg("ok");
klauss 91:c2a86b1f8aaa 1101 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1102 ref += 6; // audio
klauss 91:c2a86b1f8aaa 1103 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1104 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1105 call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1106 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1107 }
klauss 91:c2a86b1f8aaa 1108 char ans[ 1024 ];
klauss 91:c2a86b1f8aaa 1109 build_ack_package( ans, ( unsigned char *)buffer );
klauss 91:c2a86b1f8aaa 1110
klauss 91:c2a86b1f8aaa 1111 do{
klauss 91:c2a86b1f8aaa 1112 //ok_sent = sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 91:c2a86b1f8aaa 1113 ok_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1114 }while( ok_sent == 0 );
klauss 91:c2a86b1f8aaa 1115
klauss 91:c2a86b1f8aaa 1116 if( debug_invite ) debug_msg("Call alocada -- Sip::status::%d :: ", status );
klauss 91:c2a86b1f8aaa 1117 set_status( status, sip_on_call );
klauss 91:c2a86b1f8aaa 1118 }
klauss 91:c2a86b1f8aaa 1119 }
klauss 91:c2a86b1f8aaa 1120 }
klauss 91:c2a86b1f8aaa 1121 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 91:c2a86b1f8aaa 1122 //if( !( strncmp( buffer + 7, " 4", 2 ) ) ){
klauss 91:c2a86b1f8aaa 1123 if( sip_response >= 400 && sip_response < 700 ){
klauss 91:c2a86b1f8aaa 1124 if( debug_invite ) {
klauss 91:c2a86b1f8aaa 1125 buffer[ 11 ] = 0;
klauss 91:c2a86b1f8aaa 1126 debug_msg("Busy Here :: %s", buffer + 8 );
klauss 91:c2a86b1f8aaa 1127 }
klauss 91:c2a86b1f8aaa 1128 send_bye();
klauss 91:c2a86b1f8aaa 1129 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 1130 set_status( status, sip_busy );
klauss 91:c2a86b1f8aaa 1131 return( NULL );
klauss 91:c2a86b1f8aaa 1132 }else //if( !( strncasecmp( buffer + 7, " 183 ", 5 ) ) ){ // Session in Progress
klauss 91:c2a86b1f8aaa 1133 if( sip_response == 183 ){
klauss 91:c2a86b1f8aaa 1134 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1135 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1136 ref += 6; // strlen( "audio" ) == 6
klauss 91:c2a86b1f8aaa 1137 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1138 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1139 this->call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1140 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1141 }
klauss 91:c2a86b1f8aaa 1142 waiting = true;
klauss 91:c2a86b1f8aaa 1143 }
klauss 91:c2a86b1f8aaa 1144 }
klauss 91:c2a86b1f8aaa 1145 }
klauss 91:c2a86b1f8aaa 1146 if( status == sip_trying ){
klauss 91:c2a86b1f8aaa 1147 //if( !( strncasecmp( buffer + 7, " 180 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1148 if( sip_response == 180 ){
klauss 91:c2a86b1f8aaa 1149 if( debug_invite ) debug_msg("ringing");
klauss 91:c2a86b1f8aaa 1150 set_status( status, sip_ringing );
klauss 91:c2a86b1f8aaa 1151 }
klauss 91:c2a86b1f8aaa 1152 }
klauss 91:c2a86b1f8aaa 1153 if( status == sip_waiting_trying ){
klauss 91:c2a86b1f8aaa 1154 //if( !( strncasecmp( buffer + 7, " 100 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1155 if( sip_response == 100 ){
klauss 91:c2a86b1f8aaa 1156 if( debug_invite ) debug_msg("trying")
klauss 91:c2a86b1f8aaa 1157 set_status( status, sip_trying );
klauss 91:c2a86b1f8aaa 1158 }
klauss 91:c2a86b1f8aaa 1159 }
klauss 91:c2a86b1f8aaa 1160 if( status == sip_on_call ){
klauss 91:c2a86b1f8aaa 1161 if( !( strncasecmp( buffer, "bye ", 4 ) ) ){
klauss 91:c2a86b1f8aaa 1162 char ans[ 2000 ];
klauss 91:c2a86b1f8aaa 1163 build_reply_package( ans, (unsigned char*)buffer );
klauss 91:c2a86b1f8aaa 1164
klauss 91:c2a86b1f8aaa 1165 int bye_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1166 if( debug_invite ) debug_msg("sizeof( bye reply pkg ) :: %d", strlen( ans ) );
klauss 91:c2a86b1f8aaa 1167 if( debug_invite ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 91:c2a86b1f8aaa 1168 if( debug_invite ) debug_msg("Bye request received from *");
klauss 91:c2a86b1f8aaa 1169
klauss 91:c2a86b1f8aaa 1170 listen_SIP_server_return = my_ext;
klauss 91:c2a86b1f8aaa 1171 }
klauss 91:c2a86b1f8aaa 1172 }
klauss 91:c2a86b1f8aaa 1173 }
klauss 91:c2a86b1f8aaa 1174
klauss 91:c2a86b1f8aaa 1175 return length;
klauss 91:c2a86b1f8aaa 1176 }
klauss 91:c2a86b1f8aaa 1177
klauss 91:c2a86b1f8aaa 1178 void Sip::reset_call( void ){
klauss 91:c2a86b1f8aaa 1179 if( call != NULL ) call = NULL;
klauss 0:4d17cd9c8f9d 1180 }