Hi, I have a problem with nta_msg_tsend(), I get: tport.c:3155: tport_tsend: Assertion `self' failed. when I am trying to send the attached message with the attached code.
As I learned from the RFC, Responses have to be send to the "From"-Address because response has to have the same "From"- and "To"-Header as the request. Why am I getting the error? Is the URL ( sip:me...@127.0.0.1:5062) wrong? Best Regards, Markus
int process_igor_message( struct proxy *p, igor_message_t msg) {
logit( LOG_DEBUG, "Parsing message");
// Parse message
msg_t *m = msg_make( sip_default_mclass(), 0, (void*)msg.data,
msg.length);
sip_t *sip = sip_object( m);
char *recv_aor;
if( sip->sip_request) { // Request -> Target = "To"
char *a = url_as_string( p->home, sip->sip_to->a_url);
recv_aor = (char*)malloc( (strlen(a)+1) * sizeof(char));
strcpy( recv_aor, a);
su_free( p->home, a);
} else if( sip->sip_status) { // Response -> Target = "From"
char *a = url_as_string( p->home, sip->sip_from->a_url);
recv_aor = (char*)malloc( (strlen(a)+1) * sizeof(char));
strcpy( recv_aor, a);
su_free( p->home, a);
} else {
// Neither Request nor Response !?
logit( LOG_ERR, "message is neither a request nor a response =>
discarding");
return 1;
}
// Normally I use recv_aor to look up the following address!
// I just cut the lookup code which sets recvr to make it easier to read.
const char *recvr = "sip:me...@127.0.0.1:5062";
// Forward message
url_t *recv_url = url_make( p->home, recvr);
nta_msg_tsend( p->agent,
m,
(url_string_t*)recv_url,
TAG_END());
su_free( p->home, recv_url);
return 0;
}
SIP/2.0 180 Ringing Via: SIP/2.0/UDP localhost:5064;branch=z9hG4bK.BNXN46BDg7vtrKgg3tZ1UBKprB;received=127.0.0.1 Via: SIP/2.0/IGOR 3ad326ea83e06744319ec4711a0c025b74327d01 Via: SIP/2.0/UDP 127.0.0.1:5062;rport=5062;branch=z9hG4bKbcbarpww From: "me...@voigor" <sip:me...@voigor>;tag=kyghl To: <sip:al...@voigor>;tag=4yrD6Fyyj4cNa Call-ID: dqakactwpliq...@hal CSeq: 346 INVITE Contact: <sip:127.0.0.1:5066;transport=udp> User-Agent: sofia-sip/1.12.10 Accept: application/sdp Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE Supported: timer, 100rel Content-Length: 0
smime.p7s
Description: S/MIME Cryptographic Signature
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