Difference between revisions of "PHP Example"

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==PECL Stomp Extension Example==
+
#REDIRECT [[PHP_Examples]]
 
 
Requires [http://pecl.php.net/package/stomp PECL STOMP] package (just type "pecl install stomp" in the command line).
 
 
 
 
 
<code>
 
<?php
 
// Network Rail Stomp Handler example by ian13
 
$server = "tcp://datafeeds.networkrail.co.uk:61618";
 
$user = "username";
 
$password = "password";
 
$channel = "TRAIN_MVT_ALL_TOC";
 
 
$con = new Stomp($server, $user, $password);
 
if (!$con) {
 
    die('Connection failed: ' . stomp_connect_error());
 
}
 
$con->subscribe("/topic/" . $channel);
 
while($con){
 
    if ($con->hasFrame()){
 
        $msg = $con->readFrame();
 
        foreach (json_decode($msg->body) as $event) {
 
          // do stuff with $event here
 
        }
 
        $con->ack($msg);
 
    }
 
}
 
die('Connection lost: ' . time());
 
?>
 
</code>
 
 
 
You can additionally use a client-id header.
 
This means if you disconnect, when you reconnect, the server should resend the messages that you missed whilst offline.
 
<code>
 
$con = new Stomp($server, $user, $password, array('client-id' => 'somename');
 
</code>
 
 
 
Further Documentation: http://www.php.net/manual/en/class.stomp.php
 
 
 
===STOMP LIbrary===
 
 
 
The Stomp Client from [http://stomp.fusesource.org/download.html Fuse Source]. It has some minor issues, it injects spaces in the username/password and sleeps on message retrieval.
 
An adjusted version can be grabbed from [http://mail-archives.apache.org/mod_mbox/activemq-users/201103.mbox/%3CAANLkTinetbR6w-CFzJ+q-Xk3p1xkkr3BzYBcxDAU8VPO@mail.gmail.com%3E here] or [http://mail-archives.apache.org/mod_mbox/activemq-users/201103.mbox/raw/%3CAANLkTinetbR6w-CFzJ+q-Xk3p1xkkr3BzYBcxDAU8VPO@mail.gmail.com%3E here]
 
 
 
<code>
 
  require_once('Stomp.php');
 
 
 
  $con = new Stomp('tcp://datafeeds.networkrail.co.uk:61618/');
 
  $con->clientId = 'someclient';
 
  $con->connect($username, $password);
 
 
 
  $con->subscribe("/topic/TRAIN_MVT_ALL_TOC");
 
  $msg = $con->readFrame();
 
 
 
  if ($msg != null) {
 
    foreach (json_decode($msg->body) as $event) {
 
      // do stuff with $event here
 
    }
 
    $con->ack(msg);
 
  }
 
 
 
  $con->disconnect();
 
</code>
 

Latest revision as of 17:52, 9 July 2013

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