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 4. Derivative works are permitted, but they must carry this notice 00027 in full and credit the original source. 00028 00029 00030 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 00031 00032 00033 @version Initial version, May 2004 00034 @author Kris 00035 00036 00037 *******************************************************************************/ 00038 00039 module mango.log.SocketAppender; 00040 00041 private import mango.log.Appender; 00042 00043 version (Isolated) 00044 { 00045 private import std.stream, 00046 std.Socket, 00047 std.SocketStream; 00048 } 00049 else 00050 { 00051 private import mango.io.Buffer, 00052 mango.io.Console, 00053 mango.io.SocketConduit; 00054 } 00055 00056 /******************************************************************************* 00057 00058 Appender for sending formatted output to a Socket. 00059 00060 *******************************************************************************/ 00061 00062 public class SocketAppender : Appender 00063 { 00064 private static uint mask; 00065 00066 version (Isolated) 00067 private SocketStream stream; 00068 else 00069 private IBuffer buffer; 00070 00071 /*********************************************************************** 00072 00073 Get a unique fingerprint for this class 00074 00075 ***********************************************************************/ 00076 00077 static this() 00078 { 00079 mask = nextMask(); 00080 } 00081 00082 /*********************************************************************** 00083 00084 Create with the given Layout and address 00085 00086 ***********************************************************************/ 00087 00088 this (Layout layout, InternetAddress address) 00089 { 00090 setLayout (layout); 00091 setAddress (address); 00092 } 00093 00094 /*********************************************************************** 00095 00096 Ensure the socket is closed when we're GC'd 00097 00098 ***********************************************************************/ 00099 00100 ~this () 00101 { 00102 close(); 00103 } 00104 00105 /*********************************************************************** 00106 00107 Set the destination address and port for this socket 00108 00109 ***********************************************************************/ 00110 00111 void setAddress (InternetAddress address) 00112 { 00113 close (); 00114 00115 version (Isolated) 00116 { 00117 try { 00118 throw new Exception ("SocketAppender fails with dmd v0.115"); 00119 Socket s = null; //new Socket (AddressFamily.INET, SocketType.STREAM, ProtocolType.IP); 00120 s.connect (address); 00121 stream = new SocketStream (s, FileMode.Out); 00122 } catch (Object x) 00123 printf ("SocketAppender: failed to connect\n"); 00124 } 00125 else 00126 { 00127 try { 00128 SocketConduit socket = new SocketConduit (); 00129 socket.connect (address); 00130 buffer = socket.createBuffer (); 00131 } catch (Object x) 00132 Cerr ("SocketAppender: failed to connect\n"); 00133 } 00134 } 00135 00136 /*********************************************************************** 00137 00138 Return the fingerprint for this class 00139 00140 ***********************************************************************/ 00141 00142 uint getMask () 00143 { 00144 return mask; 00145 } 00146 00147 /*********************************************************************** 00148 00149 Return the name of this class 00150 00151 ***********************************************************************/ 00152 00153 char[] getName () 00154 { 00155 return this.classinfo.name; 00156 } 00157 00158 /*********************************************************************** 00159 00160 Append an event to the output. 00161 00162 ***********************************************************************/ 00163 00164 void append (Event event) 00165 { 00166 version (Isolated) 00167 { 00168 if (stream) 00169 { 00170 Layout layout = getLayout; 00171 stream.writeString (layout.header (event)); 00172 stream.writeString (layout.content (event)); 00173 stream.writeString (layout.footer (event)); 00174 stream.flush (); 00175 } 00176 } 00177 else 00178 { 00179 if (buffer) 00180 { 00181 Layout layout = getLayout; 00182 buffer.append (layout.header (event)); 00183 buffer.append (layout.content (event)); 00184 buffer.append (layout.footer (event)).flush(); 00185 } 00186 } 00187 } 00188 00189 /*********************************************************************** 00190 00191 Close the socket associated with this Appender 00192 00193 ***********************************************************************/ 00194 00195 void close () 00196 { 00197 version (Isolated) 00198 { 00199 if (stream) 00200 stream.close (); 00201 stream = null; 00202 } 00203 else 00204 { 00205 if (buffer) 00206 buffer.getConduit.close(); 00207 buffer = null; 00208 } 00209 } 00210 }