library/log4php/appenders/LoggerAppenderSocket.php
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<?php
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/**
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements. See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License. You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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/**
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 * LoggerAppenderSocket appends to a network socket.
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 *
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 * ## Configurable parameters: ##
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 *
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 * - **remoteHost** - Target remote host.
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 * - **port** - Target port (optional, defaults to 4446).
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 * - **timeout** - Connection timeout in seconds (optional, defaults to
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 *     'default_socket_timeout' from php.ini)
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 *
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 * The socket will by default be opened in blocking mode.
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 *
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 * @version $Revision: 1337820 $
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 * @package log4php
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 * @subpackage appenders
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 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
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 * @link http://logging.apache.org/log4php/docs/appenders/socket.html Appender documentation
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 */
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class LoggerAppenderSocket extends LoggerAppender {
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    /**
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     * Target host.
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     * @see http://php.net/manual/en/function.fsockopen.php
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     */
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    protected $remoteHost;
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    /** Target port */
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    protected $port = 4446;
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    /** Connection timeout in ms. */
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    protected $timeout;
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    // ******************************************
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    // *** Appender methods                   ***
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    // ******************************************
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    /** Override the default layout to use serialized. */
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    public function getDefaultLayout() {
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        return new LoggerLayoutSerialized();
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    }
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    public function activateOptions() {
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        if (empty($this->remoteHost)) {
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            $this->warn("Required parameter [remoteHost] not set. Closing appender.");
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            $this->closed = true;
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            return;
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        }
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        if (empty($this->timeout)) {
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            $this->timeout = ini_get("default_socket_timeout");
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        }
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        $this->closed = false;
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    }
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    public function append(LoggerLoggingEvent $event) {
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        $socket = fsockopen($this->remoteHost, $this->port, $errno, $errstr, $this->timeout);
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        if ($socket === false) {
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            $this->warn("Could not open socket to {$this->remoteHost}:{$this->port}. Closing appender.");
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            $this->closed = true;
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            return;
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        }
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        if (false === fwrite($socket, $this->layout->format($event))) {
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            $this->warn("Error writing to socket. Closing appender.");
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            $this->closed = true;
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        }
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        fclose($socket);
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    }
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    // ******************************************
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    // *** Accessor methods                   ***
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    // ******************************************
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    /** Sets the target host. */
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    public function setRemoteHost($hostname) {
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        $this->setString('remoteHost', $hostname);
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    }
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    /** Sets the target port */
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    public function setPort($port) {
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        $this->setPositiveInteger('port', $port);
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    }
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    /** Sets the timeout. */
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    public function setTimeout($timeout) {
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        $this->setPositiveInteger('timeout', $timeout);
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    }
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    /** Returns the target host. */
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    public function getRemoteHost() {
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        return $this->getRemoteHost();
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    }
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    /** Returns the target port. */
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    public function getPort() {
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        return $this->port;
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    }
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    /** Returns the timeout */
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    public function getTimeout() {
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        return $this->timeout;
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    }
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}