/* @internal Function used to read content from the provided
connection.
*/
int __myqtt_web_socket_receive (MyQttConn * conn,
unsigned char * buffer,
int buffer_len)
{
noPollConn * _conn;
int result;
MyQttCtx * ctx;
MyQttMutex * mutex;
/* check if the connection has the greetings completed and it
* is initiator role */
_conn = myqtt_conn_get_data (conn, "__my:ws:conn");
ctx = conn->ctx;
/* get mutex */
mutex = myqtt_conn_get_data (conn, "ws:mutex");
if (mutex == NULL) {
myqtt_log (MYQTT_LEVEL_CRITICAL, "unable to find mutex to protect ssl object to read data");
return -1;
} /* end if */
/* call to acquire mutex, read and release */
myqtt_mutex_lock (mutex);
result = nopoll_conn_read (_conn, (char *) buffer, buffer_len, nopoll_false, 0);
myqtt_mutex_unlock (mutex);
if (result == -1) {
/* check connection status to notify that no data was
* available */
if (nopoll_conn_is_ok (_conn))
return -2;
myqtt_log (MYQTT_LEVEL_CRITICAL, "Found noPollConn-id=%d (%p) read error myqtt conn-id=%d (session: %d), errno=%d (shutting down)",
nopoll_conn_get_id (_conn), _conn, myqtt_conn_get_id (conn), myqtt_conn_get_socket (conn), errno);
/* shutdown connection */
nopoll_conn_set_socket (_conn, -1);
myqtt_conn_shutdown (conn);
} /* end if */
return result;
}
nopoll_bool test_sending_and_check_echo (noPollConn * conn, const char * label, const char * msg)
{
char buffer[1024];
int length = strlen (msg);
int bytes_read;
/* wait for the reply */
while (nopoll_true) {
if (nopoll_conn_is_ready (conn))
break;
nopoll_sleep (10000);
} /* end if */
/* send content text(utf-8) */
printf ("%s: sending content..\n", label);
if (nopoll_conn_send_text (conn, msg, length) != length) {
printf ("ERROR: Expected to find proper send operation..\n");
return nopoll_false;
}
/* wait for the reply (try to read 1024, blocking and with a 3 seconds timeout) */
bytes_read = nopoll_conn_read (conn, buffer, length, nopoll_true, 3000);
if (bytes_read > 0)
buffer[bytes_read] = 0;
if (bytes_read != length) {
printf ("ERROR: expected to find 14 bytes but found %d..\n", bytes_read);
return nopoll_false;
} /* end if */
/* check content received */
if (! nopoll_cmp (buffer, msg)) {
printf ("ERROR: expected to find message 'This is a test' but something different was received: '%s'..\n",
buffer);
return nopoll_false;
} /* end if */
printf ("%s: received reply and echo matches..\n", label);
/* return that we sent and received the echo reply */
return nopoll_true;
}
static int np_wt_read_request (void * args) {
NpIOReq * req = (NpIOReq *)args;
int rval = 0;
trace(LOG_PROTOCOL, "read request size:%d",req->bufsz);
while (rval == 0) {
rval = nopoll_conn_read (req->np_sock, req->bufp, req->bufsz, nopoll_false, 10);
if ((rval <= 0) && !nopoll_conn_is_ok(req->np_sock)) {
rval = 0; /* Treat error as EOF */
break;
}
else if (rval < 0) {
errno = ERR_OTHER;
req->error_msg = loc_strdup("Failure reading socket");
break;
}
}
trace(LOG_PROTOCOL, "read size:%d",rval);
return rval;
}
