00001 /******************************************************************************* 00002 00003 @file SocketAppender.d 00004 00005 Copyright (C) 2004 Kris Bell 00006 00007 This software is provided 'as-is', without any express or implied 00008 warranty. In no event will the authors be held liable for damages 00009 of any kind arising from the use of this software. 00010 00011 Permission is hereby granted to anyone to use this software for any 00012 purpose, including commercial applications, and to alter it and/or 00013 redistribute it freely, subject to the following restrictions: 00014 00015 1. The origin of this software must not be misrepresented; you must 00016 not claim that you wrote the original software. If you use this 00017 software in a product, an acknowledgment within documentation of 00018 said product would be appreciated but is not required. 00019 00020 2. Altered source versions must be plainly marked as such, and must 00021 not be misrepresented as being the original software. 00022 00023 3. This notice may not be removed or altered from any distribution 00024 of the source. 00025 00026 00027 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 00028 00029 00030 @version Initial version, May 2004 00031 @author Kris 00032 00033 00034 *******************************************************************************/ 00035 00036 module mango.log.SocketAppender; 00037 00038 private import mango.io.Buffer, 00039 mango.io.SocketConduit; 00040 00041 private import mango.log.Appender; 00042 00043 /******************************************************************************* 00044 00045 Appender for sending formatted output to a Socket. 00046 00047 *******************************************************************************/ 00048 00049 public class SocketAppender : Appender 00050 { 00051 private static uint mask; 00052 private IBuffer buffer; 00053 00054 /*********************************************************************** 00055 00056 Get a unique fingerprint for this class 00057 00058 ***********************************************************************/ 00059 00060 static this() 00061 { 00062 mask = nextMask(); 00063 } 00064 00065 /*********************************************************************** 00066 00067 Create with the given Layout and address 00068 00069 ***********************************************************************/ 00070 00071 this (Layout layout, InternetAddress address) 00072 { 00073 setLayout (layout); 00074 setAddress (address); 00075 } 00076 00077 /*********************************************************************** 00078 00079 Ensure the socket is closed when we're GC'd 00080 00081 ***********************************************************************/ 00082 00083 ~this () 00084 { 00085 close(); 00086 } 00087 00088 /*********************************************************************** 00089 00090 Set the destination address and port for this socket 00091 00092 ***********************************************************************/ 00093 00094 void setAddress (InternetAddress address) 00095 { 00096 close (); 00097 00098 try { 00099 SocketConduit socket = new SocketConduit (); 00100 socket.connect (address); 00101 buffer = socket.createBuffer (); 00102 } catch (Object x) 00103 printf ("SocketAppender: failed to connect\n"); 00104 } 00105 00106 /*********************************************************************** 00107 00108 Return the fingerprint for this class 00109 00110 ***********************************************************************/ 00111 00112 uint getMask () 00113 { 00114 return mask; 00115 } 00116 00117 /*********************************************************************** 00118 00119 Return the name of this class 00120 00121 ***********************************************************************/ 00122 00123 char[] getName () 00124 { 00125 return this.classinfo.name; 00126 } 00127 00128 /*********************************************************************** 00129 00130 Append an event to the output. 00131 00132 ***********************************************************************/ 00133 00134 void append (Event event) 00135 { 00136 if (buffer) 00137 { 00138 buffer.append (getLayout.format(event)); 00139 buffer.flush (); 00140 } 00141 } 00142 00143 /*********************************************************************** 00144 00145 Close the socket associated with this Appender 00146 00147 ***********************************************************************/ 00148 00149 void close () 00150 { 00151 if (buffer) 00152 { 00153 buffer.getConduit.close(); 00154 buffer = null; 00155 } 00156 } 00157 }