/*! \brief Finds a tcpconn & sends on it */
static int proto_ws_send(struct socket_info* send_sock,
char* buf, unsigned int len,
union sockaddr_union* to, int id)
{
struct tcp_connection *c;
struct timeval get;
struct ip_addr ip;
int port = 0;
int fd, n;
reset_tcp_vars(tcpthreshold);
start_expire_timer(get,tcpthreshold);
if (to){
su2ip_addr(&ip, to);
port=su_getport(to);
n = tcp_conn_get(id, &ip, port, &c, &fd);
}else if (id){
n = tcp_conn_get(id, 0, 0, &c, &fd);
}else{
LM_CRIT("prot_tls_send called with null id & to\n");
get_time_difference(get,tcpthreshold,tcp_timeout_con_get);
return -1;
}
if (n<0) {
/* error during conn get, return with error too */
LM_ERR("failed to aquire connection\n");
get_time_difference(get,tcpthreshold,tcp_timeout_con_get);
return -1;
}
/* was connection found ?? */
if (c==0) {
if (tcp_no_new_conn) {
return -1;
}
LM_DBG("no open tcp connection found, opening new one\n");
/* create tcp connection */
if ((c=ws_connect(send_sock, to, &fd))==0) {
LM_ERR("connect failed\n");
return -1;
}
goto send_it;
}
get_time_difference(get, tcpthreshold, tcp_timeout_con_get);
/* now we have a connection, let's what we can do with it */
/* BE CAREFUL now as we need to release the conn before exiting !!! */
if (fd==-1) {
/* connection is not writable because of its state */
/* return error, nothing to do about it */
tcp_conn_release(c, 0);
return -1;
}
send_it:
LM_DBG("sending via fd %d...\n",fd);
n = ws_req_write(c, fd, buf, len);
stop_expire_timer(get, tcpthreshold, "WS ops",buf,(int)len,1);
tcp_conn_set_lifetime( c, tcp_con_lifetime);
LM_DBG("after write: c= %p n=%d fd=%d\n",c, n, fd);
if (n<0){
LM_ERR("failed to send\n");
c->state=S_CONN_BAD;
if (c->proc_id != process_no)
close(fd);
tcp_conn_release(c, 0);
return -1;
}
/* only close the FD if not already in the context of our process
either we just connected, or main sent us the FD */
if (c->proc_id != process_no)
close(fd);
tcp_conn_release(c, 0);
return n;
}
/*! \brief Finds a tcpconn & sends on it */
static int proto_wss_send(struct socket_info* send_sock,
char* buf, unsigned int len,
union sockaddr_union* to, int id)
{
struct tcp_connection *c;
struct timeval get;
struct ip_addr ip;
int port = 0;
int fd, n;
struct ws_data* d;
reset_tcp_vars(tcpthreshold);
start_expire_timer(get,tcpthreshold);
if (to){
su2ip_addr(&ip, to);
port=su_getport(to);
n = tcp_conn_get(id, &ip, port, PROTO_WSS, &c, &fd);
}else if (id){
n = tcp_conn_get(id, 0, 0, PROTO_NONE, &c, &fd);
}else{
LM_CRIT("prot_tls_send called with null id & to\n");
get_time_difference(get,tcpthreshold,tcp_timeout_con_get);
return -1;
}
if (n<0) {
/* error during conn get, return with error too */
LM_ERR("failed to acquire connection\n");
get_time_difference(get,tcpthreshold,tcp_timeout_con_get);
return -1;
}
/* was connection found ?? */
if (c==0) {
if (tcp_no_new_conn) {
return -1;
}
if (!to) {
LM_ERR("Unknown destination - cannot open new tcp connection\n");
return -1;
}
LM_DBG("no open tcp connection found, opening new one\n");
/* create tcp connection */
if ((c=ws_connect(send_sock, to, &fd))==0) {
LM_ERR("connect failed\n");
return -1;
}
goto send_it;
}
get_time_difference(get, tcpthreshold, tcp_timeout_con_get);
/* now we have a connection, let's what we can do with it */
/* BE CAREFUL now as we need to release the conn before exiting !!! */
if (fd==-1) {
/* connection is not writable because of its state */
/* return error, nothing to do about it */
tcp_conn_release(c, 0);
return -1;
}
send_it:
LM_DBG("sending via fd %d...\n",fd);
n = ws_req_write(c, fd, buf, len);
stop_expire_timer(get, tcpthreshold, "WSS ops",buf,(int)len,1);
tcp_conn_set_lifetime( c, tcp_con_lifetime);
/* only here we will have all tracing data TLS + WS */
d = c->proto_data;
if ( (c->flags&F_CONN_ACCEPTED)==0 && d && d->dest && d->tprot ) {
if ( d->message ) {
send_trace_message( d->message, t_dst);
d->message = NULL;
}
/* don't allow future traces for this cnection */
d->tprot = 0;
d->dest = 0;
}
LM_DBG("after write: c= %p n=%d fd=%d\n",c, n, fd);
if (n<0){
LM_ERR("failed to send\n");
c->state=S_CONN_BAD;
if (c->proc_id != process_no)
close(fd);
tcp_conn_release(c, 0);
return -1;
}
/* only close the FD if not already in the context of our process
either we just connected, or main sent us the FD */
if (c->proc_id != process_no)
close(fd);
/* mark the ID of the used connection (tracing purposes) */
last_outgoing_tcp_id = c->id;
tcp_conn_release(c, 0);
return n;
}