1 files changed, 90 insertions, 0 deletions
diff --git a/library/Icinga/Application/Logger/Writer/SyslogWriter.php b/library/Icinga/Application/Logger/Writer/SyslogWriter.php
new file mode 100644
index 0000000..93efc2a
--- /dev/null
+++ b/library/Icinga/Application/Logger/Writer/SyslogWriter.php
@@ -0,0 +1,90 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Application\Logger\Writer;
+
+use Icinga\Data\ConfigObject;
+use Icinga\Application\Logger;
+use Icinga\Application\Logger\LogWriter;
+use Icinga\Exception\ConfigurationError;
+
+/**
+ * Log to the syslog service
+ */
+class SyslogWriter extends LogWriter
+{
+    /**
+     * Syslog facility
+     *
+     * @var int
+     */
+    protected $facility;
+
+    /**
+     * Prefix to prepend to each message
+     *
+     * @var string
+     */
+    protected $ident;
+
+    /**
+     * Known syslog facilities
+     *
+     * @var array
+     */
+    public static $facilities = array(
+        'user'      => LOG_USER,
+        'local0'    => LOG_LOCAL0,
+        'local1'    => LOG_LOCAL1,
+        'local2'    => LOG_LOCAL2,
+        'local3'    => LOG_LOCAL3,
+        'local4'    => LOG_LOCAL4,
+        'local5'    => LOG_LOCAL5,
+        'local6'    => LOG_LOCAL6,
+        'local7'    => LOG_LOCAL7
+    );
+
+    /**
+     * Log level to syslog severity map
+     *
+     * @var array
+     */
+    public static $severityMap = array(
+        Logger::ERROR   => LOG_ERR,
+        Logger::WARNING => LOG_WARNING,
+        Logger::INFO    => LOG_INFO,
+        Logger::DEBUG   => LOG_DEBUG
+    );
+
+    /**
+     * Create a new syslog log writer
+     *
+     * @param   ConfigObject    $config
+     */
+    public function __construct(ConfigObject $config)
+    {
+        $this->ident = $config->get('application', 'icingaweb2');
+
+        $configuredFacility = $config->get('facility', 'user');
+        if (! isset(static::$facilities[$configuredFacility])) {
+            throw new ConfigurationError(
+                'Invalid logging facility: "%s" (expected one of: %s)',
+                $configuredFacility,
+                implode(', ', array_keys(static::$facilities))
+            );
+        }
+        $this->facility = static::$facilities[$configuredFacility];
+    }
+
+    /**
+     * Log a message
+     *
+     * @param   int     $level      The logging level
+     * @param   string  $message    The log message
+     */
+    public function log($level, $message)
+    {
+        openlog($this->ident, LOG_PID, $this->facility);
+        syslog(static::$severityMap[$level], str_replace("\n", '    ', $message));
+    }
+}