/**
* Returns TRUE if the connection and protocol test succeeded
* otherwise FALSE.
*/
static int check_process_connection(Service_T s, Port_T p, char *report) {
Socket_T socket;
volatile int rv= TRUE;
ASSERT(s && p);
/* Open a socket to the destination INET[hostname:port] or UNIX[pathname] */
socket= socket_create(p);
if(!socket) {
snprintf(report, STRLEN,
"'%s' failed, cannot open a connection to %s",
s->name, p->address);
rv= FALSE;
goto error;
} else {
DEBUG("'%s' succeeded connecting to %s\n", s->name, p->address);
}
/* Verify that the socket is ready for i|o */
if(! socket_is_ready(socket)) {
snprintf(report, STRLEN,
"'%s' failed, the socket at %s is not ready for i|o -- %s",
s->name, p->address, STRERROR);
rv= FALSE;
goto error;
}
/* Run the protocol verification routine through the socket */
if(! p->protocol->check(socket)) {
snprintf(report, STRLEN,
"'%s' failed protocol test [%s] at %s.",
s->name, p->protocol->name, p->address);
rv= FALSE;
goto error;
} else {
DEBUG("'%s' succeeded testing protocol [%s] at %s\n",
s->name, p->protocol->name, p->address);
}
error:
if(socket) socket_free(&socket);
return rv;
}
/**
* Test the connection and protocol
*/
static void check_connection(Service_T s, Port_T p) {
Socket_T socket;
volatile int rv = TRUE;
char buf[STRLEN];
char report[STRLEN] = {0};
struct timeval t1;
struct timeval t2;
ASSERT(s && p);
/* Get time of connection attempt beginning */
gettimeofday(&t1, NULL);
/* Open a socket to the destination INET[hostname:port] or UNIX[pathname] */
socket = socket_create(p);
if (!socket) {
snprintf(report, STRLEN, "failed, cannot open a connection to %s", Util_portDescription(p, buf, sizeof(buf)));
rv = FALSE;
goto error;
} else
DEBUG("'%s' succeeded connecting to %s\n", s->name, Util_portDescription(p, buf, sizeof(buf)));
/* Verify that the socket is ready for i|o. TCP sockets are checked anytime, UDP
* sockets just when there is no specific protocol test used since the socket_is_ready()
* adds 2s delay when used with UDP socket. When there is specific protocol used, we
* don't need it for UDP, since the protocol test is sufficient */
if ((socket_get_type(socket) != SOCK_DGRAM || p->protocol->check == check_default) && !socket_is_ready(socket)) {
snprintf(report, STRLEN, "connection failed, %s is not ready for i|o -- %s", Util_portDescription(p, buf, sizeof(buf)), STRERROR);
rv = FALSE;
goto error;
}
/* Run the protocol verification routine through the socket */
if (! p->protocol->check(socket)) {
snprintf(report, STRLEN, "failed protocol test [%s] at %s", p->protocol->name, Util_portDescription(p, buf, sizeof(buf)));
rv = FALSE;
goto error;
} else
DEBUG("'%s' succeeded testing protocol [%s] at %s\n", s->name, p->protocol->name, Util_portDescription(p, buf, sizeof(buf)));
/* Get time of connection attempt finish */
gettimeofday(&t2, NULL);
/* Get the response time */
p->response = (double)(t2.tv_sec - t1.tv_sec) + (double)(t2.tv_usec - t1.tv_usec)/1000000;
error:
if (socket)
socket_free(&socket);
if (!rv) {
p->response = -1;
p->is_available = FALSE;
Event_post(s, Event_Connection, STATE_FAILED, p->action, report);
} else {
p->is_available = TRUE;
Event_post(s, Event_Connection, STATE_SUCCEEDED, p->action, "connection succeeded to %s", Util_portDescription(p, buf, sizeof(buf)));
}
}
