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authorFederico Marani <federico.marani@ymail.com>2009-02-20 18:57:20 +0000
committerFederico Marani <federico.marani@ymail.com>2009-02-20 18:57:20 +0000
commit2ac684f53df3f76aacb4d1be79d7db64567f1964 (patch)
treeffb21b530b41590ae6c69346ce535f7e518a277d
parent09bab904091316fe669619ec90a26a86fc1927d5 (diff)
* implemented STOMP support for external message queueing systems
* (ticket-724) * included PHP STOMP libraries (http://code.google.com/p/stompcli/)
-rw-r--r--config.php.sample8
-rw-r--r--extlib/Stomp.php594
-rw-r--r--extlib/Stomp/Exception.php57
-rw-r--r--extlib/Stomp/Frame.php80
-rw-r--r--extlib/Stomp/Message.php37
-rw-r--r--extlib/Stomp/Message/Bytes.php47
-rw-r--r--extlib/Stomp/Message/Map.php55
-rw-r--r--lib/queuehandler.php74
-rw-r--r--lib/util.php48
9 files changed, 980 insertions, 20 deletions
diff --git a/config.php.sample b/config.php.sample
index a2c5801f4..cc2e4c3c1 100644
--- a/config.php.sample
+++ b/config.php.sample
@@ -112,6 +112,14 @@ $config['sphinx']['port'] = 3312;
#background. See the README for details.
#$config['queue']['enabled'] = true;
+#Queue subsystem
+#subsystems: internal (default) or stomp
+#using stomp requires an external message queue server
+#$config['queue']['subsystem'] = 'stomp';
+#$config['queue']['stomp_server'] = 'tcp://localhost:61613';
+#use different queue_basename for each laconica instance managed by the server
+#$config['queue']['queue_basename'] = 'laconica';
+
#The following customise the behaviour of the various daemons:
#$config['daemon']['piddir'] = '/var/run';
#$config['daemon']['user'] = false;
diff --git a/extlib/Stomp.php b/extlib/Stomp.php
new file mode 100644
index 000000000..9e1c97b3b
--- /dev/null
+++ b/extlib/Stomp.php
@@ -0,0 +1,594 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+require_once 'Stomp/Frame.php';
+
+/**
+ * A Stomp Connection
+ *
+ *
+ * @package Stomp
+ * @author Hiram Chirino <hiram@hiramchirino.com>
+ * @author Dejan Bosanac <dejan@nighttale.net>
+ * @author Michael Caplan <mcaplan@labnet.net>
+ * @version $Revision: 43 $
+ */
+class Stomp
+{
+ /**
+ * Perform request synchronously
+ *
+ * @var boolean
+ */
+ public $sync = false;
+
+ /**
+ * Default prefetch size
+ *
+ * @var int
+ */
+ public $prefetchSize = 1;
+
+ /**
+ * Client id used for durable subscriptions
+ *
+ * @var string
+ */
+ public $clientId = null;
+
+ protected $_brokerUri = null;
+ protected $_socket = null;
+ protected $_hosts = array();
+ protected $_params = array();
+ protected $_subscriptions = array();
+ protected $_defaultPort = 61613;
+ protected $_currentHost = - 1;
+ protected $_attempts = 10;
+ protected $_username = '';
+ protected $_password = '';
+ protected $_sessionId;
+ protected $_read_timeout_seconds = 60;
+ protected $_read_timeout_milliseconds = 0;
+
+ /**
+ * Constructor
+ *
+ * @param string $brokerUri Broker URL
+ * @throws Stomp_Exception
+ */
+ public function __construct ($brokerUri)
+ {
+ $this->_brokerUri = $brokerUri;
+ $this->_init();
+ }
+ /**
+ * Initialize connection
+ *
+ * @throws Stomp_Exception
+ */
+ protected function _init ()
+ {
+ $pattern = "|^(([a-zA-Z]+)://)+\(*([a-zA-Z0-9\.:/i,-]+)\)*\??([a-zA-Z0-9=]*)$|i";
+ if (preg_match($pattern, $this->_brokerUri, $regs)) {
+ $scheme = $regs[2];
+ $hosts = $regs[3];
+ $params = $regs[4];
+ if ($scheme != "failover") {
+ $this->_processUrl($this->_brokerUri);
+ } else {
+ $urls = explode(",", $hosts);
+ foreach ($urls as $url) {
+ $this->_processUrl($url);
+ }
+ }
+ if ($params != null) {
+ parse_str($params, $this->_params);
+ }
+ } else {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("Bad Broker URL {$this->_brokerUri}");
+ }
+ }
+ /**
+ * Process broker URL
+ *
+ * @param string $url Broker URL
+ * @throws Stomp_Exception
+ * @return boolean
+ */
+ protected function _processUrl ($url)
+ {
+ $parsed = parse_url($url);
+ if ($parsed) {
+ array_push($this->_hosts, array($parsed['host'] , $parsed['port'] , $parsed['scheme']));
+ } else {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("Bad Broker URL $url");
+ }
+ }
+ /**
+ * Make socket connection to the server
+ *
+ * @throws Stomp_Exception
+ */
+ protected function _makeConnection ()
+ {
+ if (count($this->_hosts) == 0) {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("No broker defined");
+ }
+
+ // force disconnect, if previous established connection exists
+ $this->disconnect();
+
+ $i = $this->_currentHost;
+ $att = 0;
+ $connected = false;
+ while (! $connected && $att ++ < $this->_attempts) {
+ if (isset($this->_params['randomize']) && $this->_params['randomize'] == 'true') {
+ $i = rand(0, count($this->_hosts) - 1);
+ } else {
+ $i = ($i + 1) % count($this->_hosts);
+ }
+ $broker = $this->_hosts[$i];
+ $host = $broker[0];
+ $port = $broker[1];
+ $scheme = $broker[2];
+ if ($port == null) {
+ $port = $this->_defaultPort;
+ }
+ if ($this->_socket != null) {
+ fclose($this->_socket);
+ $this->_socket = null;
+ }
+ $this->_socket = @fsockopen($scheme . '://' . $host, $port);
+ if (!is_resource($this->_socket) && $att >= $this->_attempts && !array_key_exists($i + 1, $this->_hosts)) {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("Could not connect to $host:$port ($att/{$this->_attempts})");
+ } else if (is_resource($this->_socket)) {
+ $connected = true;
+ $this->_currentHost = $i;
+ break;
+ }
+ }
+ if (! $connected) {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("Could not connect to a broker");
+ }
+ }
+ /**
+ * Connect to server
+ *
+ * @param string $username
+ * @param string $password
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function connect ($username = '', $password = '')
+ {
+ $this->_makeConnection();
+ if ($username != '') {
+ $this->_username = $username;
+ }
+ if ($password != '') {
+ $this->_password = $password;
+ }
+ $headers = array('login' => $this->_username , 'passcode' => $this->_password);
+ if ($this->clientId != null) {
+ $headers["client-id"] = $this->clientId;
+ }
+ $frame = new Stomp_Frame("CONNECT", $headers);
+ $this->_writeFrame($frame);
+ $frame = $this->readFrame();
+ if ($frame instanceof Stomp_Frame && $frame->command == 'CONNECTED') {
+ $this->_sessionId = $frame->headers["session"];
+ return true;
+ } else {
+ require_once 'Stomp/Exception.php';
+ if ($frame instanceof Stomp_Frame) {
+ throw new Stomp_Exception("Unexpected command: {$frame->command}", 0, $frame->body);
+ } else {
+ throw new Stomp_Exception("Connection not acknowledged");
+ }
+ }
+ }
+
+ /**
+ * Check if client session has ben established
+ *
+ * @return boolean
+ */
+ public function isConnected ()
+ {
+ return !empty($this->_sessionId) && is_resource($this->_socket);
+ }
+ /**
+ * Current stomp session ID
+ *
+ * @return string
+ */
+ public function getSessionId()
+ {
+ return $this->_sessionId;
+ }
+ /**
+ * Send a message to a destination in the messaging system
+ *
+ * @param string $destination Destination queue
+ * @param string|Stomp_Frame $msg Message
+ * @param array $properties
+ * @param boolean $sync Perform request synchronously
+ * @return boolean
+ */
+ public function send ($destination, $msg, $properties = null, $sync = null)
+ {
+ if ($msg instanceof Stomp_Frame) {
+ $msg->headers['destination'] = $destination;
+ $msg->headers = array_merge($msg->headers, $properties);
+ $frame = $msg;
+ } else {
+ $headers = $properties;
+ $headers['destination'] = $destination;
+ $frame = new Stomp_Frame('SEND', $headers, $msg);
+ }
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ return $this->_waitForReceipt($frame, $sync);
+ }
+ /**
+ * Prepair frame receipt
+ *
+ * @param Stomp_Frame $frame
+ * @param boolean $sync
+ */
+ protected function _prepareReceipt (Stomp_Frame $frame, $sync)
+ {
+ $receive = $this->sync;
+ if ($sync !== null) {
+ $receive = $sync;
+ }
+ if ($receive == true) {
+ $frame->headers['receipt'] = md5(microtime());
+ }
+ }
+ /**
+ * Wait for receipt
+ *
+ * @param Stomp_Frame $frame
+ * @param boolean $sync
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ protected function _waitForReceipt (Stomp_Frame $frame, $sync)
+ {
+
+ $receive = $this->sync;
+ if ($sync !== null) {
+ $receive = $sync;
+ }
+ if ($receive == true) {
+ $id = (isset($frame->headers['receipt'])) ? $frame->headers['receipt'] : null;
+ if ($id == null) {
+ return true;
+ }
+ $frame = $this->readFrame();
+ if ($frame instanceof Stomp_Frame && $frame->command == 'RECEIPT') {
+ if ($frame->headers['receipt-id'] == $id) {
+ return true;
+ } else {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception("Unexpected receipt id {$frame->headers['receipt-id']}", 0, $frame->body);
+ }
+ } else {
+ require_once 'Stomp/Exception.php';
+ if ($frame instanceof Stomp_Frame) {
+ throw new Stomp_Exception("Unexpected command {$frame->command}", 0, $frame->body);
+ } else {
+ throw new Stomp_Exception("Receipt not received");
+ }
+ }
+ }
+ return true;
+ }
+ /**
+ * Register to listen to a given destination
+ *
+ * @param string $destination Destination queue
+ * @param array $properties
+ * @param boolean $sync Perform request synchronously
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function subscribe ($destination, $properties = null, $sync = null)
+ {
+ $headers = array('ack' => 'client');
+ $headers['activemq.prefetchSize'] = $this->prefetchSize;
+ if ($this->clientId != null) {
+ $headers["activemq.subcriptionName"] = $this->clientId;
+ }
+ if (isset($properties)) {
+ foreach ($properties as $name => $value) {
+ $headers[$name] = $value;
+ }
+ }
+ $headers['destination'] = $destination;
+ $frame = new Stomp_Frame('SUBSCRIBE', $headers);
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ if ($this->_waitForReceipt($frame, $sync) == true) {
+ $this->_subscriptions[$destination] = $properties;
+ return true;
+ } else {
+ return false;
+ }
+ }
+ /**
+ * Remove an existing subscription
+ *
+ * @param string $destination
+ * @param array $properties
+ * @param boolean $sync Perform request synchronously
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function unsubscribe ($destination, $properties = null, $sync = null)
+ {
+ $headers = array();
+ if (isset($properties)) {
+ foreach ($properties as $name => $value) {
+ $headers[$name] = $value;
+ }
+ }
+ $headers['destination'] = $destination;
+ $frame = new Stomp_Frame('UNSUBSCRIBE', $headers);
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ if ($this->_waitForReceipt($frame, $sync) == true) {
+ unset($this->_subscriptions[$destination]);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ /**
+ * Start a transaction
+ *
+ * @param string $transactionId
+ * @param boolean $sync Perform request synchronously
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function begin ($transactionId = null, $sync = null)
+ {
+ $headers = array();
+ if (isset($transactionId)) {
+ $headers['transaction'] = $transactionId;
+ }
+ $frame = new Stomp_Frame('BEGIN', $headers);
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ return $this->_waitForReceipt($frame, $sync);
+ }
+ /**
+ * Commit a transaction in progress
+ *
+ * @param string $transactionId
+ * @param boolean $sync Perform request synchronously
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function commit ($transactionId = null, $sync = null)
+ {
+ $headers = array();
+ if (isset($transactionId)) {
+ $headers['transaction'] = $transactionId;
+ }
+ $frame = new Stomp_Frame('COMMIT', $headers);
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ return $this->_waitForReceipt($frame, $sync);
+ }
+ /**
+ * Roll back a transaction in progress
+ *
+ * @param string $transactionId
+ * @param boolean $sync Perform request synchronously
+ */
+ public function abort ($transactionId = null, $sync = null)
+ {
+ $headers = array();
+ if (isset($transactionId)) {
+ $headers['transaction'] = $transactionId;
+ }
+ $frame = new Stomp_Frame('ABORT', $headers);
+ $this->_prepareReceipt($frame, $sync);
+ $this->_writeFrame($frame);
+ return $this->_waitForReceipt($frame, $sync);
+ }
+ /**
+ * Acknowledge consumption of a message from a subscription
+ * Note: This operation is always asynchronous
+ *
+ * @param string|Stomp_Frame $messageMessage ID
+ * @param string $transactionId
+ * @return boolean
+ * @throws Stomp_Exception
+ */
+ public function ack ($message, $transactionId = null)
+ {
+ if ($message instanceof Stomp_Frame) {
+ $frame = new Stomp_Frame('ACK', $message->headers);
+ $this->_writeFrame($frame);
+ return true;
+ } else {
+ $headers = array();
+ if (isset($transactionId)) {
+ $headers['transaction'] = $transactionId;
+ }
+ $headers['message-id'] = $message;
+ $frame = new Stomp_Frame('ACK', $headers);
+ $this->_writeFrame($frame);
+ return true;
+ }
+ }
+ /**
+ * Graceful disconnect from the server
+ *
+ */
+ public function disconnect ()
+ {
+ $header = array();
+
+ if ($this->clientId != null) {
+ $headers["client-id"] = $this->clientId;
+ }
+
+ if (is_resource($this->_socket)) {
+ $this->_writeFrame(new Stomp_Frame('DISCONNECT', $headers));
+ fclose($this->_socket);
+ }
+ $this->_socket = null;
+ $this->_sessionId = null;
+ $this->_currentHost = -1;
+ $this->_subscriptions = array();
+ $this->_username = '';
+ $this->_password = '';
+ }
+ /**
+ * Write frame to server
+ *
+ * @param Stomp_Frame $stompFrame
+ */
+ protected function _writeFrame (Stomp_Frame $stompFrame)
+ {
+ if (!is_resource($this->_socket)) {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception('Socket connection hasn\'t been established');
+ }
+
+ $data = $stompFrame->__toString();
+ $r = fwrite($this->_socket, $data, strlen($data));
+ if ($r === false || $r == 0) {
+ $this->_reconnect();
+ $this->_writeFrame($stompFrame);
+ }
+ }
+
+ /**
+ * Set timeout to wait for content to read
+ *
+ * @param int $seconds_to_wait Seconds to wait for a frame
+ * @param int $milliseconds Milliseconds to wait for a frame
+ */
+ public function setReadTimeout($seconds, $milliseconds = 0)
+ {
+ $this->_read_timeout_seconds = $seconds;
+ $this->_read_timeout_milliseconds = $milliseconds;
+ }
+
+ /**
+ * Read responce frame from server
+ *
+ * @return Stomp_Frame|Stomp_Message_Map|boolean False when no frame to read
+ */
+ public function readFrame ()
+ {
+ if (!$this->hasFrameToRead()) {
+ return false;
+ }
+
+ $rb = 1024;
+ $data = '';
+ do {
+ $read = fgets($this->_socket, $rb);
+ if ($read === false) {
+ $this->_reconnect();
+ return $this->readFrame();
+ }
+ $data .= $read;
+ $len = strlen($data);
+ } while (($len < 2 || ! ($data[$len - 2] == "\x00" && $data[$len - 1] == "\n")));
+
+ list ($header, $body) = explode("\n\n", $data, 2);
+ $header = explode("\n", $header);
+ $headers = array();
+ $command = null;
+ foreach ($header as $v) {
+ if (isset($command)) {
+ list ($name, $value) = explode(':', $v, 2);
+ $headers[$name] = $value;
+ } else {
+ $command = $v;
+ }
+ }
+ $frame = new Stomp_Frame($command, $headers, trim($body));
+ if (isset($frame->headers['amq-msg-type']) && $frame->headers['amq-msg-type'] == 'MapMessage') {
+ require_once 'Stomp/Message/Map.php';
+ return new Stomp_Message_Map($frame);
+ } else {
+ return $frame;
+ }
+ }
+
+ /**
+ * Check if there is a frame to read
+ *
+ * @return boolean
+ */
+ public function hasFrameToRead()
+ {
+ $read = array($this->_socket);
+ $write = null;
+ $except = null;
+
+ $has_frame_to_read = stream_select($read, $write, $except, $this->_read_timeout_seconds, $this->_read_timeout_milliseconds);
+
+ if ($has_frame_to_read === false) {
+ throw new Stomp_Exception('Check failed to determin if the socket is readable');
+ } else if ($has_frame_to_read > 0) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Reconnects and renews subscriptions (if there were any)
+ * Call this method when you detect connection problems
+ */
+ protected function _reconnect ()
+ {
+ $subscriptions = $this->_subscriptions;
+
+ $this->connect($this->_username, $this->_password);
+ foreach ($subscriptions as $dest => $properties) {
+ $this->subscribe($dest, $properties);
+ }
+ }
+ /**
+ * Graceful object desruction
+ *
+ */
+ public function __destruct()
+ {
+ $this->disconnect();
+ }
+}
+?>
diff --git a/extlib/Stomp/Exception.php b/extlib/Stomp/Exception.php
new file mode 100644
index 000000000..e6870bc15
--- /dev/null
+++ b/extlib/Stomp/Exception.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+/**
+ * A Stomp Connection
+ *
+ *
+ * @package Stomp
+ * @author Michael Caplan <mcaplan@labnet.net>
+ * @version $Revision: 23 $
+ */
+class Stomp_Exception extends Exception
+{
+ protected $_details;
+
+ /**
+ * Constructor
+ *
+ * @param string $message Error message
+ * @param int $code Error code
+ * @param string $details Stomp server error details
+ */
+ public function __construct($message = null, $code = 0, $details = '')
+ {
+ $this->_details = $details;
+
+ parent::__construct($message, $code);
+ }
+
+ /**
+ * Stomp server error details
+ *
+ * @return string
+ */
+ public function getDetails()
+ {
+ return $this->_details;
+ }
+}
+?> \ No newline at end of file
diff --git a/extlib/Stomp/Frame.php b/extlib/Stomp/Frame.php
new file mode 100644
index 000000000..dc59c1cb7
--- /dev/null
+++ b/extlib/Stomp/Frame.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+/**
+ * Stomp Frames are messages that are sent and received on a StompConnection.
+ *
+ * @package Stomp
+ * @author Hiram Chirino <hiram@hiramchirino.com>
+ * @author Dejan Bosanac <dejan@nighttale.net>
+ * @author Michael Caplan <mcaplan@labnet.net>
+ * @version $Revision: 36 $
+ */
+class Stomp_Frame
+{
+ public $command;
+ public $headers = array();
+ public $body;
+
+ /**
+ * Constructor
+ *
+ * @param string $command
+ * @param array $headers
+ * @param string $body
+ */
+ public function __construct ($command = null, $headers = null, $body = null)
+ {
+ $this->_init($command, $headers, $body);
+ }
+
+ protected function _init ($command = null, $headers = null, $body = null)
+ {
+ $this->command = $command;
+ if ($headers != null) {
+ $this->headers = $headers;
+ }
+ $this->body = $body;
+
+ if ($this->command == 'ERROR') {
+ require_once 'Stomp/Exception.php';
+ throw new Stomp_Exception($this->headers['message'], 0, $this->body);
+ }
+ }
+
+ /**
+ * Convert frame to transportable string
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ $data = $this->command . "\n";
+
+ foreach ($this->headers as $name => $value) {
+ $data .= $name . ": " . $value . "\n";
+ }
+
+ $data .= "\n";
+ $data .= $this->body;
+ return $data .= "\x00\n";
+ }
+}
+?> \ No newline at end of file
diff --git a/extlib/Stomp/Message.php b/extlib/Stomp/Message.php
new file mode 100644
index 000000000..6bcad3efd
--- /dev/null
+++ b/extlib/Stomp/Message.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+require_once 'Stomp/Frame.php';
+
+/**
+ * Basic text stomp message
+ *
+ * @package Stomp
+ * @author Dejan Bosanac <dejan@nighttale.net>
+ * @version $Revision: 23 $
+ */
+class Stomp_Message extends Stomp_Frame
+{
+ public function __construct ($body, $headers = null)
+ {
+ $this->_init("SEND", $headers, $body);
+ }
+}
+?> \ No newline at end of file
diff --git a/extlib/Stomp/Message/Bytes.php b/extlib/Stomp/Message/Bytes.php
new file mode 100644
index 000000000..c75f23e43
--- /dev/null
+++ b/extlib/Stomp/Message/Bytes.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+require_once 'Stomp/Message.php';
+
+/**
+ * Message that contains a stream of uninterpreted bytes
+ *
+ * @package Stomp
+ * @author Dejan Bosanac <dejan@nighttale.net>
+ * @version $Revision: 23 $
+ */
+class Stomp_Message_Bytes extends Stomp_Message
+{
+ /**
+ * Constructor
+ *
+ * @param string $body
+ * @param array $headers
+ */
+ function __construct ($body, $headers = null)
+ {
+ $this->_init("SEND", $headers, $body);
+ if ($this->headers == null) {
+ $this->headers = array();
+ }
+ $this->headers['content-length'] = count($body);
+ }
+}
+?> \ No newline at end of file
diff --git a/extlib/Stomp/Message/Map.php b/extlib/Stomp/Message/Map.php
new file mode 100644
index 000000000..288456a84
--- /dev/null
+++ b/extlib/Stomp/Message/Map.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ *
+ * Copyright 2005-2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* vim: set expandtab tabstop=3 shiftwidth=3: */
+
+require_once 'Stomp/Message.php';
+
+/**
+ * Message that contains a set of name-value pairs
+ *
+ * @package Stomp
+ * @author Dejan Bosanac <dejan@nighttale.net>
+ * @version $Revision: 23 $
+ */
+class Stomp_Message_Map extends Stomp_Message
+{
+ public $map;
+
+ /**
+ * Constructor
+ *
+ * @param Stomp_Frame|string $msg
+ * @param array $headers
+ */
+ function __construct ($msg, $headers = null)
+ {
+ if ($msg instanceof Stomp_Frame) {
+ $this->_init($msg->command, $msg->headers, $msg->body);
+ $this->map = json_decode($msg->body);
+ } else {
+ $this->_init("SEND", $headers, $msg);
+ if ($this->headers == null) {
+ $this->headers = array();
+ }
+ $this->headers['amq-msg-type'] = 'MapMessage';
+ $this->body = json_encode($msg);
+ }
+ }
+}
+?> \ No newline at end of file
diff --git a/lib/queuehandler.php b/lib/queuehandler.php
index 9ce9e32b3..752bbc6d2 100644
--- a/lib/queuehandler.php
+++ b/lib/queuehandler.php
@@ -75,15 +75,9 @@ class QueueHandler extends Daemon
return true;
}
- function run()
- {
- if (!$this->start()) {
- return false;
- }
- $this->log(LOG_INFO, 'checking for queued notices');
- $transport = $this->transport();
+ function db_dispatch() {
do {
- $qi = Queue_item::top($transport);
+ $qi = Queue_item::top($this->transport());
if ($qi) {
$this->log(LOG_INFO, 'Got item enqueued '.common_exact_date($qi->created));
$notice = Notice::staticGet($qi->notice_id);
@@ -115,6 +109,68 @@ class QueueHandler extends Daemon
$this->idle(5);
}
} while (true);
+ }
+
+ function stomp_dispatch() {
+ require("Stomp.php");
+ $con = new Stomp(common_config('queue','stomp_server'));
+ if (!$con->connect()) {
+ $this->log(LOG_ERR, 'Failed to connect to queue server');
+ return false;
+ }
+ $queue_basename = common_config('queue','queue_basename');
+ // subscribe to the relevant queue (format: basename-transport)
+ $con->subscribe('/queue/'.$queue_basename.'-'.$this->transport());
+
+ do {
+ $frame = $con->readFrame();
+ if ($frame) {
+ $this->log(LOG_INFO, 'Got item enqueued '.common_exact_date($frame->headers['created']));
+
+ // XXX: Now the queue handler receives only the ID of the
+ // notice, and it has to get it from the DB
+ // A massive improvement would be avoid DB query by transmitting
+ // all the notice details via queue server...
+ $notice = Notice::staticGet($frame->body);
+
+ if ($notice) {
+ $this->log(LOG_INFO, 'broadcasting notice ID = ' . $notice->id);
+ $result = $this->handle_notice($notice);
+ if ($result) {
+ // if the msg has been handled positively, ack it
+ // and the queue server will remove it from the queue
+ $con->ack($frame);
+ $this->log(LOG_INFO, 'finished broadcasting notice ID = ' . $notice->id);
+ }
+ else {
+ // no ack
+ $this->log(LOG_WARNING, 'Failed broadcast for notice ID = ' . $notice->id);
+ }
+ $notice->free();
+ unset($notice);
+ $notice = null;
+ } else {
+ $this->log(LOG_WARNING, 'queue item for notice that does not exist');
+ }
+ }
+ } while (true);
+
+ $con->disconnect();
+ }
+
+
+ function run()
+ {
+ if (!$this->start()) {
+ return false;
+ }
+ $this->log(LOG_INFO, 'checking for queued notices');
+ if (common_config('queue','subsystem') == 'stomp') {
+ $this->stomp_dispatch();
+ }
+ else {
+ $this->db_dispatch();
+ }
if (!$this->finish()) {
return false;
}
@@ -143,4 +199,4 @@ class QueueHandler extends Daemon
common_log($level, $this->class_name() . ' ('. $this->get_id() .'): '.$msg);
}
}
- \ No newline at end of file
+
diff --git a/lib/util.php b/lib/util.php
index c5a092f63..8ef19f579 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -1138,18 +1138,44 @@ function common_twitter_broadcast($notice, $flink)
function common_enqueue_notice($notice)
{
- foreach (array('jabber', 'omb', 'sms', 'public') as $transport) {
- $qi = new Queue_item();
- $qi->notice_id = $notice->id;
- $qi->transport = $transport;
- $qi->created = $notice->created;
- $result = $qi->insert();
- if (!$result) {
- $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
- common_log(LOG_ERR, 'DB error inserting queue item: ' . $last_error->message);
- return false;
+ if (common_config('queue','subsystem') == 'stomp') {
+ // use an external message queue system via STOMP
+ require_once("Stomp.php");
+ $con = new Stomp(common_config('queue','stomp_server'));
+ if (!$con->connect()) {
+ common_log(LOG_ERR, 'Failed to connect to queue server');
+ return false;
+ }
+ $queue_basename = common_config('queue','queue_basename');
+ foreach (array('jabber', 'omb', 'sms', 'public') as $transport) {
+ if (!$con->send(
+ '/queue/'.$queue_basename.'-'.$transport, // QUEUE
+ $notice->id, // BODY of the message
+ array ( // HEADERS of the msg
+ 'created' => $notice->created
+ ))) {
+ common_log(LOG_ERR, 'Error sending to '.$transport.' queue');
+ return false;
+ }
+ common_log(LOG_DEBUG, 'complete remote queueing notice ID = ' . $notice->id . ' for ' . $transport);
+ }
+ $result = true;
+ }
+ else {
+ // in any other case, 'internal'
+ foreach (array('jabber', 'omb', 'sms', 'public') as $transport) {
+ $qi = new Queue_item();
+ $qi->notice_id = $notice->id;
+ $qi->transport = $transport;
+ $qi->created = $notice->created;
+ $result = $qi->insert();
+ if (!$result) {
+ $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+ common_log(LOG_ERR, 'DB error inserting queue item: ' . $last_error->message);
+ return false;
+ }
+ common_log(LOG_DEBUG, 'complete queueing notice ID = ' . $notice->id . ' for ' . $transport);
}
- common_log(LOG_DEBUG, 'complete queueing notice ID = ' . $notice->id . ' for ' . $transport);
}
return $result;
}