BELLE_SIP_INSTANCIATE_CUSTOM_VPTR_END
static void fix_incoming_via(belle_sip_request_t *msg, const struct addrinfo* origin){
char received[NI_MAXHOST];
char rport[NI_MAXSERV];
belle_sip_header_via_t *via;
int err;
struct sockaddr_storage saddr;
socklen_t slen=sizeof(saddr);
if (!origin) {
belle_sip_warning("cannot fix via for message [%p], probably a test",msg);
return;
}
belle_sip_address_remove_v4_mapping(origin->ai_addr, (struct sockaddr*)&saddr, &slen);
err=getnameinfo((struct sockaddr*)&saddr,slen,received,sizeof(received),
rport,sizeof(rport),NI_NUMERICHOST|NI_NUMERICSERV);
if (err!=0){
belle_sip_error("fix_via: getnameinfo() failed: %s",gai_strerror(errno));
return;
}
via=BELLE_SIP_HEADER_VIA(belle_sip_message_get_header((belle_sip_message_t*)msg,"via"));
if (via){
const char* host = belle_sip_header_via_get_host(via);
if (strcmp(host,received)!=0)
belle_sip_header_via_set_received(via,received);
if (belle_sip_parameters_has_parameter(BELLE_SIP_PARAMETERS(via),"rport")){
int port = belle_sip_header_via_get_listening_port(via);
int rport_int=atoi(rport);
if (rport_int!=port) belle_sip_header_via_set_rport(via,atoi(rport));
}
}
}
/*peek data from the master socket to see where it comes from, and dispatch to matching channel.
* If the channel does not exist, create it */
static int on_udp_data(belle_sip_udp_listening_point_t *lp, unsigned int events){
int err;
unsigned char buf[4096];
sockaddr_x addr;
socklen_t addrlen=sizeof(sockaddr_x);
if (events & BELLE_SIP_EVENT_READ){
belle_sip_debug("udp_listening_point: data to read.");
err=Xrecvfrom(lp->sock,(char*)buf,sizeof(buf),MSG_PEEK,(struct sockaddr*)&addr,&addrlen);
if (err==-1){
char *tmp=belle_sip_object_to_string((belle_sip_object_t*) ((belle_sip_listening_point_t*)lp)->listening_uri);
belle_sip_error("udp_listening_point: recvfrom() failed on [%s], : [%s] reopening server socket"
,tmp
,belle_sip_get_socket_error_string());
belle_sip_free(tmp);
belle_sip_udp_listening_point_uninit(lp);
/*clean all udp channels that are actually sharing the server socket with the listening points*/
belle_sip_listening_point_clean_channels((belle_sip_listening_point_t*)lp);
belle_sip_udp_listening_point_init_socket(lp);
}else{
belle_sip_channel_t *chan;
struct addrinfo ai={0};
belle_sip_address_remove_v4_mapping((struct sockaddr*)&addr,(struct sockaddr*)&addr,&addrlen);
ai.ai_family=((struct sockaddr*)&addr)->sa_family;
ai.ai_addr=(struct sockaddr*)&addr;
ai.ai_addrlen=addrlen;
chan=_belle_sip_listening_point_get_channel((belle_sip_listening_point_t*)lp,NULL,&ai);
if (chan==NULL){
/*TODO: should rather create the channel with real local ip and port and not just 0.0.0.0"*/
chan=belle_sip_channel_new_udp_with_addr(lp->base.stack
,lp->sock
,belle_sip_uri_get_host(lp->base.listening_uri)
,belle_sip_uri_get_port(lp->base.listening_uri)
,&ai);
if (chan!=NULL){
belle_sip_message("udp_listening_point: new channel created to %s:%i",chan->peer_name,chan->peer_port);
chan->lp=(belle_sip_listening_point_t*)lp; /*FIXME, exactly the same code as for channel creation from provider. might be good to factorize*/
belle_sip_listening_point_add_channel((belle_sip_listening_point_t*)lp,chan);
}
}
if (chan){
/*notify the channel*/
belle_sip_debug("Notifying udp channel, local [%s:%i] remote [%s:%i]"
,chan->local_ip
,chan->local_port
,chan->peer_name
,chan->peer_port);
belle_sip_channel_process_data(chan,events);
}
}
}
return BELLE_SIP_CONTINUE;
}
void belle_sip_channel_set_ready(belle_sip_channel_t *obj, const struct sockaddr *addr, socklen_t slen){
char name[NI_MAXHOST];
char serv[NI_MAXSERV];
if (obj->local_ip==NULL){
struct sockaddr_storage saddr;
socklen_t slen2=sizeof(saddr);
int err;
belle_sip_address_remove_v4_mapping(addr,(struct sockaddr*) &saddr,&slen2);
err=getnameinfo((struct sockaddr*)&saddr,slen,name,sizeof(name),serv,sizeof(serv),NI_NUMERICHOST|NI_NUMERICSERV);
if (err!=0){
belle_sip_error("belle_sip_channel_set_ready(): getnameinfo() failed: %s",gai_strerror(err));
}else{
obj->local_ip=belle_sip_strdup(name);
obj->local_port=atoi(serv);
belle_sip_message("Channel has local address %s:%s",name,serv);
}
}
channel_set_state(obj,BELLE_SIP_CHANNEL_READY);
channel_process_queue(obj);
channel_end_send_background_task(obj);
}
