fix possible block in rtp setup

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6503 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2007-12-04 21:55:48 +00:00
parent 91862ed0d3
commit c5046d63c1
1 changed files with 24 additions and 4 deletions

View File

@ -329,7 +329,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_set_local_address(switch_rtp_t *rtp_s
switch_socket_t *new_sock = NULL, *old_sock = NULL;
switch_status_t status = SWITCH_STATUS_FALSE;
char o[5] = "TEST", i[5] = "";
switch_size_t len;
switch_size_t len, ilen = 0;
int x;
*err = NULL;
if (switch_sockaddr_info_get(&rtp_session->local_addr, host, SWITCH_UNSPEC, port, 0, rtp_session->pool) != SWITCH_STATUS_SUCCESS) {
@ -357,10 +359,28 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_set_local_address(switch_rtp_t *rtp_s
}
len = sizeof(i);
switch_socket_sendto(new_sock, rtp_session->local_addr, 0, (void *) o, &len);
switch_socket_recvfrom(rtp_session->from_addr, new_sock, 0, (void *) i, &len);
switch_socket_opt_set(new_sock, SWITCH_SO_NONBLOCK, TRUE);
if (!len) {
switch_socket_sendto(new_sock, rtp_session->local_addr, 0, (void *) o, &len);
x = 0;
while(!ilen) {
ilen = len;
switch_status_t status = switch_socket_recvfrom(rtp_session->from_addr, new_sock, 0, (void *) i, &ilen);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
break;
}
if (++x > 500) {
break;
}
switch_yield(1000);
}
switch_socket_opt_set(new_sock, SWITCH_SO_NONBLOCK, FALSE);
if (!ilen) {
*err = "Send myself a packet failed!";
goto done;
}