/******************************************************************************* Copyright (c) 2010, Perforce Software, Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *******************************************************************************/ /******************************************************************************* * Name : LogFile.cs * * Author : dbb * * Description : Classes used to log diagnostic messages. * ******************************************************************************/ using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; namespace Perforce.P4 { /// /// Generic interface used to an event logger. In short, messages are /// logged by: /// 1) Level. The lower the level, the more sever the level, /// 0 fatal /// 1 error /// 2 warning /// 3 information /// 4+ debugging messages /// 2) Source. A string specifying the origin of the message, ie P4Server /// 3) Message. The text of the message. /// class LogFile { public delegate void LogMessageDelgate( int log_level, String source, String message ); public static LogMessageDelgate ExternalLogFn; public static void SetLoggingFunction( LogMessageDelgate logFn) { ExternalLogFn = logFn; } public static void LogMessage( int log_level, String source, String message ) { try { if (ExternalLogFn != null) { // use user supplied external logging function ExternalLogFn(log_level, source, message); return; } } catch {} // never fail because of an error writing a log message DateTime now = DateTime.Now; String msg = String.Format("[{0}:{1}] {2} : {3}", log_level, source, now.ToString("dd/MM/yyyy HH:mm:ss.ffff"), message); // TODO: Implement an internal logging function } public static void LogException( String category, Exception ex) { try { String msg = String.Format("{0}:{1}\r\n{2}", ex.GetType().ToString(), ex.Message, ex.StackTrace); LogMessage(0, category, msg); if (ex.InnerException != null) LogException("Inner Exception", ex.InnerException); P4Exception p4ex = ex as P4Exception; if ((p4ex != null) && (p4ex.NextError != null)) { LogException("Next Exception", p4ex.NextError); } } catch { } // never fail because of an error writing a log message } } }