ZMQSocket::connect
(PECL zmq >= 0.5.0)
ZMQSocket::connect — Connect the socket
说明
Connect the socket to a remote endpoint. The endpoint is defined in format transport://address where transport is one of the following: inproc, ipc, tcp, pgm or epgm.
参数
-
dsn
-
The connect dsn, for example transport://address.
-
force
-
Tries to connect even if the socket has already been connected to given endpoint.
范例
Example #1 A ZMQContext() example
Construct a new context and allocate request socket from it
<?php
/* Server hostname */
$dsn = "tcp://127.0.0.1:5555";
/* Create a socket */
$socket = new ZMQSocket(new ZMQContext(), ZMQ::SOCKET_REQ, 'my socket');
/* Get list of connected endpoints */
$endpoints = $socket->getEndpoints();
/* Check if the socket is connected */
if (!in_array($dsn, $endpoints['connect'])) {
echo "<p>Connecting to $dsn</p>";
$socket->connect($dsn);
} else {
echo "<p>Already connected to $dsn</p>";
}
/* Send and receive */
$socket->send("Hello!");
$message = $socket->recv();
echo "<p>Server said: {$message}</p>";
?>
返回值
Returns the current object. Throws ZMQSocketException on error.