VZTECH / Mbed 2 deprecated header_main_colinas_V0

voltando a versao de n aberturas e fechamentos de sockets data 19/09

Dependencies:   EthernetInterface NTPClient mbed-rtos mbed EALib

Fork of header_main_publish by VZTECH

sip.cpp@4:de46f0d9b14d, 2014-09-11 (annotated)

Committer:
klauss
Date:
Thu Sep 11 14:23:47 2014 +0000
Revision:
4:de46f0d9b14d
Parent:
3:cd9148672e25
Child:
8:e3bfe62a477e
removido debugs - estavel

Who changed what in which revision?

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