enum connect_result
tcp_socket_state(int fd, thread * thread_obj, uint32_t addr_ip, uint16_t addr_port,
int (*func) (struct _thread *))
{
int status;
socklen_t slen;
int ret = 0;
TIMEVAL timer_min;
/* Handle connection timeout */
if (thread_obj->type == THREAD_WRITE_TIMEOUT) {
DBG("TCP connection timeout to [%s:%d].",
inet_ntop2(addr_ip), ntohs(addr_port));
close(thread_obj->u.fd);
return connect_timeout;
}
/* Check file descriptor */
slen = sizeof (status);
if (getsockopt
(thread_obj->u.fd, SOL_SOCKET, SO_ERROR, (void *) &status, &slen) < 0)
ret = errno;
/* Connection failed !!! */
if (ret) {
DBG("TCP connection failed to [%s:%d].",
inet_ntop2(addr_ip), ntohs(addr_port));
close(thread_obj->u.fd);
return connect_error;
}
/* If status = 0, TCP connection to remote host is established.
* Otherwise register checker thread to handle connection in progress,
* and other error code until connection is established.
* Recompute the write timeout (or pending connection).
*/
if (status == EINPROGRESS) {
DBG("TCP connection to [%s:%d] still IN_PROGRESS.",
inet_ntop2(addr_ip), ntohs(addr_port));
timer_min = timer_sub_now(thread_obj->sands);
thread_add_write(thread_obj->master, func, THREAD_ARG(thread_obj)
, thread_obj->u.fd, TIMER_LONG(timer_min));
return connect_in_progress;
} else if (status != 0) {
close(thread_obj->u.fd);
return connect_error;
}
return connect_success;
}
enum connect_result
tcp_socket_state(int fd, thread_t * thread, int (*func) (thread_t *))
{
int status;
socklen_t addrlen;
int ret = 0;
timeval_t timer_min;
/* Handle connection timeout */
if (thread->type == THREAD_WRITE_TIMEOUT) {
close(thread->u.fd);
return connect_timeout;
}
/* Check file descriptor */
addrlen = sizeof(status);
if (getsockopt(thread->u.fd, SOL_SOCKET, SO_ERROR, (void *) &status, &addrlen) < 0)
ret = errno;
/* Connection failed !!! */
if (ret) {
close(thread->u.fd);
return connect_error;
}
/* If status = 0, TCP connection to remote host is established.
* Otherwise register checker thread to handle connection in progress,
* and other error code until connection is established.
* Recompute the write timeout (or pending connection).
*/
if (status == EINPROGRESS) {
timer_min = timer_sub_now(thread->sands);
thread_add_write(thread->master, func, THREAD_ARG(thread),
thread->u.fd, timer_long(timer_min));
return connect_in_progress;
} else if (status != 0) {
close(thread->u.fd);
return connect_error;
}
return connect_success;
}