Example #1
0
/*! \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;
}
Example #2
0
/*! \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;
}