301 lines
11 KiB
C++
301 lines
11 KiB
C++
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#include "sys/sock.h"
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#include "sip-uas.h"
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#include "sip-header.h"
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#include "sip-dialog.h"
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#include "sip-message.h"
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#include "sip-timer.h"
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#include "sys/system.h"
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static struct sip_dialog_t* s_dialog;
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static struct sip_message_t* req2sip(const char* req)
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{
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struct sip_message_t* msg;
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msg = sip_message_create(SIP_MESSAGE_REQUEST);
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size_t n = strlen(req);
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http_parser_t* parser = http_parser_create(HTTP_PARSER_REQUEST, NULL, NULL);
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assert(0 == http_parser_input(parser, req, &n) && 0 == n);
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assert(0 == sip_message_load(msg, parser));
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http_parser_destroy(parser);
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return msg;
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}
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static struct sip_message_t* reply2sip(const char* reply)
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{
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struct sip_message_t* msg;
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msg = sip_message_create(SIP_MESSAGE_REPLY);
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size_t n = strlen(reply);
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http_parser_t* parser = http_parser_create(HTTP_PARSER_RESPONSE, NULL, NULL);
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assert(0 == http_parser_input(parser, reply, &n) && 0 == n);
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assert(0 == sip_message_load(msg, parser));
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http_parser_destroy(parser);
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return msg;
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}
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static int sip_register(struct sip_agent_t* sip)
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{
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// F1 REGISTER Bob -> Registrar (p213)
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const char* f1 = "REGISTER sip:registrar.biloxi.com SIP/2.0\r\n"
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"Via: SIP/2.0/UDP bobspc.biloxi.com:5060;branch=z9hG4bKnashds7;received=192.0.2.4\r\n"
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"Max-Forwards: 70\r\n"
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"To: Bob <sip:bob@biloxi.com>\r\n"
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"From: Bob <sip:bob@biloxi.com>;tag=456248\r\n"
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"Call-ID: 843817637684230@998sdasdh09\r\n"
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"CSeq: 1826 REGISTER\r\n"
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"Contact: <sip:bob@192.0.2.4>\r\n"
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"Expires: 7200\r\n"
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"Content-Length: 0\r\n\r\n";
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f1 = "REGISTER sip:34020000002000000001@192.168.3.50:5060 SIP/2.0\nCall-ID: 936f20ebc489186fe3b0b69982061ec4\nContact: <sip:34020000001320000001@192.168.3.72:5060>\nContent-Length: 0\nCSeq: 1 REGISTER\nExpires: 3600\nFrom: <sip:34020000001320000001@192.168.3.72:5060>;tag=023aa692e3c41bc19ddb16cbf1e730ca\nMax-Forwards: 70\nRoute: <sip:34020000001320000001@192.168.3.50:5060;lr>\nTo: <sip:34020000001320000001@192.168.3.72:5060>\nUser-Agent: SIP UAS V3.0.0.833566\nVia: SIP/2.0/UDP 192.168.3.72:5060;rport;branch=z9hG4bK8a37ad0aa92dcf4b3b56ee2de0553a60\n\n";
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// F2 200 OK Registrar -> Bob (p214)
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const char* f2 = "SIP/2.0 200 OK\r\n"
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"Via: SIP/2.0/UDP bobspc.biloxi.com:5060;branch=z9hG4bKnashds7;received=192.0.2.4\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=2493k59kd\r\n"
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"From: Bob <sip:bob@biloxi.com>;tag=456248\r\n"
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"Call-ID: 843817637684230@998sdasdh09\r\n"
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"CSeq: 1826 REGISTER\r\n"
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"Contact: <sip:bob@192.0.2.4>\r\n"
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"Expires: 7200\r\n"
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"Content-Length: 0\r\n\r\n";
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struct sip_message_t* req = req2sip(f1);
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struct sip_message_t* reply = reply2sip(f2);
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assert(0 == sip_agent_input(sip, req, sip));
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sip_message_destroy(req);
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sip_message_destroy(reply);
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return 0;
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}
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static int sip_invite(struct sip_agent_t* sip)
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{
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// F1 INVITE Alice -> atlanta.com proxy (p214)
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const char* f1 = "INVITE sip:bob@biloxi.com SIP/2.0\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8\r\n"
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"Max-Forwards: 70\r\n"
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//"To: Bob <sip:bob@biloxi.com>\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 INVITE\r\n"
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"Contact: <sip:alice@pc33.atlanta.com>\r\n"
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"Content-Type: application/sdp\r\n"
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"Content-Length: 0\r\n\r\n";
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// F2 100 Trying atlanta.com proxy -> Alice (p215)
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const char* f2 = "SIP/2.0 100 Trying\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8;received=192.0.2.1\r\n"
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"To: Bob <sip:bob@biloxi.com>\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 INVITE\r\n"
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"Content-Length: 0\r\n\r\n";
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// F8 180 Ringing atlanta.com proxy -> Alice (217)
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const char* f8 = "SIP/2.0 180 Ringing\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8;received=192.0.2.1\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"Contact: <sip:bob@192.0.2.4>\r\n"
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"CSeq: 314159 INVITE\r\n"
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"Content-Length: 0\r\n\r\n";
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// F11 200 OK atlanta.com proxy -> Alice (p218)
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const char* f11 = "SIP/2.0 200 OK\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8;received=192.0.2.1\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 INVITE\r\n"
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"Contact: <sip:bob@192.0.2.4>\r\n"
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"Content-Type: application/sdp\r\n"
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"Content-Length: 0\r\n\r\n";
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// F12 ACK Alice -> Bob (p218)
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const char* f12 = "ACK sip:bob@192.0.2.4 SIP/2.0\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds9\r\n"
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"Max-Forwards: 70\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 ACK\r\n"
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"Content-Length: 0\r\n\r\n";
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struct sip_message_t* req = req2sip(f1);
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struct sip_message_t* reply100 = reply2sip(f2);
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struct sip_message_t* reply180 = reply2sip(f8);
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struct sip_message_t* reply200 = reply2sip(f11);
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struct sip_message_t* ack = req2sip(f12);
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assert(0 == sip_agent_input(sip, req, sip));
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assert(0 == sip_agent_input(sip, req, sip));
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assert(0 == sip_agent_input(sip, req, sip));
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assert(0 == sip_agent_input(sip, ack, sip));
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assert(0 == sip_agent_input(sip, ack, sip));
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assert(0 == sip_agent_input(sip, ack, sip));
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sip_message_destroy(req);
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sip_message_destroy(reply100);
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sip_message_destroy(reply180);
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sip_message_destroy(reply200);
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sip_message_destroy(ack);
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return 0;
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}
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static int sip_bye(struct sip_agent_t* sip)
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{
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//// F13 BYE Bob -> Alice (p218)
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//const char* f13 = "BYE sip:alice@pc33.atlanta.com SIP/2.0\r\n"
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// "Via: SIP/2.0/UDP 192.0.2.4;branch=z9hG4bKnashds10\r\n"
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// "Max-Forwards: 70\r\n"
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// "From: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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// "To: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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// "Call-ID: a84b4c76e66710\r\n"
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// "CSeq: 231 BYE\r\n"
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// "Content-Length: 0\r\n\r\n";
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//// F14 200 OK Alice -> Bob (p219)
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//const char* f14 = "SIP/2.0 200 OK\r\n"
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// "Via: SIP/2.0/UDP 192.0.2.4;branch=z9hG4bKnashds10\r\n"
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// "From: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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// "To: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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// "Call-ID: a84b4c76e66710\r\n"
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// "CSeq: 231 BYE\r\n"
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// "Content-Length: 0\r\n\r\n";
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// F13 BYE Alice -> Bob (p218)
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const char* f13 = "BYE sip:bob@192.0.2.4 SIP/2.0\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds9\r\n"
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"Max-Forwards: 70\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 BYE\r\n"
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"Content-Length: 0\r\n\r\n";
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// F14 200 OK Alice -> Bob (p219)
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const char* f14 = "SIP/2.0 200 OK\r\n"
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"Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds9\r\n"
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"To: Bob <sip:bob@biloxi.com>;tag=a6c85cf\r\n"
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"From: Alice <sip:alice@atlanta.com>;tag=1928301774\r\n"
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"Call-ID: a84b4c76e66710\r\n"
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"CSeq: 314159 BYE\r\n"
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"Content-Length: 0\r\n\r\n";
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struct sip_message_t* req = req2sip(f13);
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struct sip_message_t* reply = reply2sip(f14);
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assert(0 == sip_agent_input(sip, req, sip));
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sip_message_destroy(req);
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sip_message_destroy(reply);
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return 0;
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}
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struct sip_session_t
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{
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};
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static int sip_uas_oninvite(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, struct sip_dialog_t* dialog, const struct cstring_t* id, const void* data, int bytes)
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{
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struct sip_session_t* session = new struct sip_session_t;
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// assert(NULL == dialog); // not re-invite
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//sip_uas_add_header(t, "To", "Bob <sip:bob@biloxi.com>;tag=a6c85cf");
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assert(0 == sip_uas_reply(t, 100, NULL, 0, param));
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assert(0 == sip_uas_reply(t, 100, NULL, 0, param));
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assert(0 == sip_uas_reply(t, 180, NULL, 0, param));
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assert(0 == sip_uas_reply(t, 180, NULL, 0, param));
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assert(0 == sip_uas_reply(t, 180, NULL, 0, param));
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assert(0 == sip_uas_reply(t, 200, NULL, 0, param));
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// assert(0 == sip_uas_reply(t, 200, NULL, 0, param));
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return 0;
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}
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static int sip_uas_onack(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, struct sip_dialog_t* dialog, const struct cstring_t* id, int code, const void* data, int bytes)
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{
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char buf[1024];
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const char* end = buf + sizeof(buf);
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struct cstring_t ptr;
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ptr.p = buf;
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struct sip_agent_t* uas = (struct sip_agent_t*)param;
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assert(100 <= code && code < 700);
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if (200 <= code && code < 300)
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{
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assert(dialog->state == DIALOG_CONFIRMED);
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assert(dialog->secure == 0);
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assert(dialog->remote.id == 314159);
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ptr.n = sip_contact_write(&dialog->local.uri, buf, end);
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assert(0 == cstrcmp(&ptr, "Bob <sip:bob@biloxi.com>;tag=a6c85cf"));
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ptr.n = sip_contact_write(&dialog->remote.uri, buf, end);
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assert(0 == cstrcmp(&ptr, "Alice <sip:alice@atlanta.com>;tag=1928301774"));
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ptr.n = sip_uri_write(&dialog->remote.target, buf, end);
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assert(0 == cstrcmp(&ptr, "sip:alice@pc33.atlanta.com"));
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assert(0 == cstrcmp(&dialog->callid, "a84b4c76e66710"));
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assert(0 == sip_uris_count(&dialog->routers));
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}
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else if (300 <= code && code < 700)
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{
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}
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return 0;
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}
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static int sip_uas_onbye(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, const struct cstring_t* id)
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{
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struct sip_agent_t* uas = (struct sip_agent_t*)param;
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assert(0 == sip_uas_reply(t, 200, NULL, 0, param));
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return 0;
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}
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static int sip_uas_oncancel(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, const struct cstring_t* id)
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{
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assert(0);
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return -1;
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}
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static int sip_uas_onregister(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, const char* user, const char* location, int expires)
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{
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// assert(expires == 7200);
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// assert(0 == strcmp(user, "bob"));
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// assert(0 == strcmp(location, "192.0.2.4"));
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struct sip_agent_t* uas = (struct sip_agent_t*)param;
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return sip_uas_reply(t, 200, NULL, 0, param);
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}
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static int sip_uas_onmessage(void* param, const struct sip_message_t* req, struct sip_uas_transaction_t* t, const void* payload, int bytes)
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{
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return sip_uas_reply(t, 200, NULL, 0, param);
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}
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static int sip_uas_send(void* param, const struct cstring_t* /*protocol*/, const struct cstring_t* url, const struct cstring_t* /*received*/, int /*rport*/, const void* data, int bytes)
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{
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printf("==> %.*s\n%.*s\n", (int)url->n, url->p, (int)bytes, (const char*)data);
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return 0;
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}
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// 24 Examples (p213)
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void sip_uas_message_test(void)
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{
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sip_timer_init();
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struct sip_uas_handler_t handler;
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handler.onregister = sip_uas_onregister;
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handler.oninvite = sip_uas_oninvite;
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handler.onack = sip_uas_onack;
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handler.onbye = sip_uas_onbye;
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handler.oncancel = sip_uas_oncancel;
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handler.onmessage = sip_uas_onmessage;
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|
|
handler.send = sip_uas_send;
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||
|
|
|
||
|
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struct sip_agent_t* sip;
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||
|
|
sip = sip_agent_create(&handler);
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||
|
|
assert(0 == sip_register(sip));
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||
|
|
assert(0 == sip_invite(sip));
|
||
|
|
assert(0 == sip_bye(sip));
|
||
|
|
sip_agent_destroy(sip);
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||
|
|
sip_timer_cleanup();
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||
|
|
}
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