int
tcp_check_thread(thread_t * thread)
{
checker_t *checker;
tcp_checker_t *tcp_check;
int status;
checker = THREAD_ARG(thread);
tcp_check = CHECKER_ARG(checker);
status = tcp_socket_state(thread->u.fd, thread, tcp_check_thread);
/* If status = connect_success, TCP connection to remote host is established.
* Otherwise we have a real connection error or connection timeout.
*/
if (status == connect_success) {
close(thread->u.fd);
if (!svr_checker_up(UP, checker->id, checker->rs)) {
log_message(LOG_INFO, "TCP connection to [%s]:%d success."
, inet_sockaddrtos(&tcp_check->dst)
, ntohs(inet_sockaddrport(&tcp_check->dst)));
smtp_alert(checker->rs, NULL, NULL,
"UP",
"=> TCP CHECK succeed on service <=");
update_svr_checker_state(UP, checker->id
, checker->vs
, checker->rs);
}
} else {
if (svr_checker_up(DOWN, checker->id, checker->rs)) {
log_message(LOG_INFO, "TCP connection to [%s]:%d failed !!!"
, inet_sockaddrtos(&tcp_check->dst)
, ntohs(inet_sockaddrport(&tcp_check->dst)));
smtp_alert(checker->rs, NULL, NULL,
"DOWN",
"=> TCP CHECK failed on service <=");
update_svr_checker_state(DOWN, checker->id
, checker->vs
, checker->rs);
}
}
/* Register next timer checker */
if (status != connect_in_progress)
thread_add_timer(thread->master, tcp_connect_thread, checker,
checker->vs->delay_loop);
return 0;
}
int
tcp_check_thread(thread_t * thread)
{
SOCK *sock_obj = THREAD_ARG(thread);
int ret = 1;
sock_obj->status =
tcp_socket_state(thread->u.fd, thread, req->addr_ip, req->addr_port,
tcp_check_thread);
switch (sock_obj->status) {
case connect_error:
DBG("Error connecting server [%s:%d].\n",
inet_ntop2(req->addr_ip), ntohs(req->addr_port));
thread_add_terminate_event(thread->master);
return -1;
break;
case connect_timeout:
DBG("Timeout connecting server [%s:%d].\n",
inet_ntop2(req->addr_ip), ntohs(req->addr_port));
thread_add_terminate_event(thread->master);
return -1;
break;
case connect_success:{
if (req->ssl)
ret = ssl_connect(thread);
if (ret) {
/* Remote WEB server is connected.
* Unlock eventual locked socket.
*/
sock_obj->lock = 0;
thread_add_event(thread->master,
http_request_thread, sock_obj, 0);
} else {
DBG("Connection trouble to: [%s:%d].\n",
inet_ntop2(req->addr_ip),
ntohs(req->addr_port));
if (req->ssl)
ssl_printerr(SSL_get_error
(sock_obj->ssl, ret));
sock_obj->status = connect_error;
return -1;
}
}
break;
}
return 1;
}
static int
connection_in_progress(thread_t * thread)
{
int status;
DBG("SMTP connection to %s now IN_PROGRESS.",
FMT_SMTP_HOST());
/*
* Here we use the propriety of a union structure,
* each element of the structure have the same value.
*/
status = tcp_socket_state(thread->u.fd, thread, connection_in_progress);
if (status != connect_in_progress)
SMTP_FSM_SEND(status, thread);
return 0;
}
static int
connection_in_progress(thread_t * thread)
{
int status;
DBG("SMTP connection to [%s]:%d now IN_PROGRESS.",
inet_sockaddrtos(&global_data->smtp_server), SMTP_PORT);
/*
* Here we use the propriety of a union structure,
* each element of the structure have the same value.
*/
status = tcp_socket_state(thread->u.fd, thread, connection_in_progress);
if (status != connect_in_progress)
SMTP_FSM_SEND(status, thread);
return 0;
}