<?php
/*
* Cross-connected ROUTER sockets addressing each other
* @author Ian Barber <ian(dot)barber(at)gmail(dot)com>
*/
include "zhelpers.php";
$context = new ZMQContext();
$worker = new ZMQSocket($context, ZMQ::SOCKET_ROUTER);
$worker->setSockOpt(ZMQ::SOCKOPT_IDENTITY, "WORKER");
$worker->bind("ipc://rtrouter.ipc");
$server = new ZMQSocket($context, ZMQ::SOCKET_ROUTER);
$server->setSockOpt(ZMQ::SOCKOPT_IDENTITY, "SERVER");
$server->connect("ipc://rtrouter.ipc");
sleep(1);
$server->send("WORKER", ZMQ::MODE_SNDMORE);
$server->send("", ZMQ::MODE_SNDMORE);
$server->send("send to worker");
s_dump($worker);
$worker->send("SERVER", ZMQ::MODE_SNDMORE);
$worker->send("", ZMQ::MODE_SNDMORE);
$worker->send("send to server");
s_dump($server);
<?php
/*
* Demonstrate identities as used by the request-reply pattern. Run this
* program by itself. Note that the utility functions s_ are provided by
* zhelpers.h. It gets boring for everyone to keep repeating this code.
* @author Ian Barber <ian(dot)barber(at)gmail(dot)com>
*/
include 'zhelpers.php';
$context = new ZMQContext();
$sink = new ZMQSocket($context, ZMQ::SOCKET_ROUTER);
$sink->bind("inproc://example");
// First allow 0MQ to set the identity
$anonymous = new ZMQSocket($context, ZMQ::SOCKET_REQ);
$anonymous->connect("inproc://example");
$anonymous->send("ROUTER uses a generated UUID");
s_dump($sink);
// Then set the identity ourselves
$identified = new ZMQSocket($context, ZMQ::SOCKET_REQ);
$identified->setSockOpt(ZMQ::SOCKOPT_IDENTITY, "PEER2");
$identified->connect("inproc://example");
$identified->send("ROUTER socket uses REQ's socket identity");
s_dump($sink);
<?php
/*
* Custom routing Router to Papa (ROUTER to REP)
* @author Ian Barber <ian(dot)barber(at)gmail(dot)com>a
*/
include "zhelpers.php";
// We will do this all in one thread to emphasize the sequence
// of events...
$context = new ZMQContext();
$client = new ZMQSocket($context, ZMQ::SOCKET_ROUTER);
$client->bind("inproc://routing");
$worker = new ZMQSocket($context, ZMQ::SOCKET_REP);
$worker->setSockOpt(ZMQ::SOCKOPT_IDENTITY, "A");
$worker->connect("inproc://routing");
// Send papa address, address stack, empty part, and request
$client->send("A", ZMQ::MODE_SNDMORE);
$client->send("address 3", ZMQ::MODE_SNDMORE);
$client->send("address 2", ZMQ::MODE_SNDMORE);
$client->send("address 1", ZMQ::MODE_SNDMORE);
$client->send("", ZMQ::MODE_SNDMORE);
$client->send("This is the workload");
// Worker should get just the workload
s_dump($worker);
// We don't play with envelopes in the worker
$worker->send("This is the reply");
// Now dump what we got off the ROUTER socket...
s_dump($client);