diff -r 000000000000 -r 08ec8eefde2f loggingservices/eventlogger/LogCli/src/logservcli.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/loggingservices/eventlogger/LogCli/src/logservcli.cpp Fri Jan 22 11:06:30 2010 +0200 @@ -0,0 +1,250 @@ +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include "logservcli.h" + +// System includes +#include +#include + +// User includes +#include "LogServShared.h" + +static TInt StartServer() +// +// Start the server process/thread which lives in an EPOCEXE object +// + { + const TUidType serverUid(KNullUid,KNullUid,KServerUid3); + + // + // EPOC is easy, we just create a new server process. Simultaneous launching + // of two such processes should be detected when the second one attempts to + // create the server object, failing with KErrAlreadyExists. + // + RProcess server; + TInt r=server.Create(KLogServerName,KNullDesC,serverUid); + if (r == KErrNone) + server.SetPriority(EPriorityForeground); + + if (r!=KErrNone) + return r; + + TRequestStatus stat; + server.Rendezvous(stat); + if (stat!=KRequestPending) + server.Kill(0); // abort startup + else + server.Resume(); // logon OK - start the server + User::WaitForRequest(stat); // wait for start or death + // we can't use the 'exit reason' if the server panicked as this + // is the panic 'reason' and may be '0' which cannot be distinguished + // from KErrNone + r=(server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int(); + server.Close(); + return r; + + } + +// Initialise the operation and view ids +RLogSession::RLogSession() +: iOperationId(KLogNullOperationId + 1), iViewId(KLogNullViewId + 1) + { + } + +TInt RLogSession::Connect() +// +// Connect to the server, attempting to start it if necessary +// + { + TInt retry=2; + for (;;) + { + TInt r=CreateSession(KLogServerFullName,TVersion(0,0,0)); + if (r!=KErrNotFound && r!=KErrServerTerminated) + return r; + if (--retry==0) + return r; + r=StartServer(); + if (r!=KErrNone && r!=KErrAlreadyExists) + return r; + } + } + + +void RLogSession::Send(TInt aType, const TIpcArgs& aArgs, TRequestStatus& aStatus) const + { + SendWithRetryAsync(aType, aArgs, aStatus); + } + +TInt RLogSession::Send(TInt aType, const TIpcArgs& aArgs) const + { + return SendWithRetry(aType, aArgs); + } + +TInt RLogSession::SendWithRetry(TInt aType, const TIpcArgs& aParam) const + { + TInt ret = SendReceive(aType, aParam); + if (ret < KErrNone) + { + if(ret == KErrServerTerminated || ret == KErrNotFound) + { + // Try to reconnect + const_cast(*this).Close(); + ret = const_cast(*this).Connect(); + if(ret == KErrNone) + { + // Try to resend + ret = SendReceive(aType, aParam); + } + } + } + return ret; + } + + +void RLogSession::SendWithRetryAsync(TInt aType, const TIpcArgs& aParam, TRequestStatus& aStatus) const + { + SendReceive(aType, aParam, aStatus); + } + + + + + + + + + + + +#ifdef LOGGING_ENABLED + +const TInt KLogEngLogBufferSize = 256; + +void Log::New() + { + _LIT(KNewLogText, "===== NEW LOG ====="); + // + RFileLogger logger; + TInt ret=logger.Connect(); + if (ret==KErrNone) + { + logger.CreateLog(KLogFolder, KLogFileName, EFileLoggingModeOverwrite); + logger.Write(KNewLogText); + } + logger.Close(); + } + +void Log::Write(const TDesC& aText) + { + PruneLogFile(); + + RFileLogger logger; + TInt ret=logger.Connect(); + if (ret==KErrNone) + { + logger.SetDateAndTime(EFalse,EFalse); + logger.CreateLog(KLogFolder, KLogFileName,EFileLoggingModeAppend); + TBuf buf; + + // The debug log uses hometime rather than UTC for its timestamps. This is + // purely a debugging aid. + TTime now; + now.HomeTime(); + + TDateTime dateTime; + dateTime = now.DateTime(); + buf.Format(KTimeFormat,dateTime.Hour(),dateTime.Minute(),dateTime.Second(),dateTime.MicroSecond()); + buf.AppendFormat(KTextFormat,&aText); + + logger.Write(buf); + } + + logger.Close(); + } + +void Log::WriteFormat(TRefByValue aFmt,...) + { + VA_LIST list; + VA_START(list,aFmt); + + PruneLogFile(); + + TBuf<2*KLogEngLogBufferSize> buf; + buf.SetMax(); + buf.FillZ(); + + // The debug log uses hometime rather than UTC for its timestamps. This is + // purely a debugging aid. + TTime now; + now.HomeTime(); + + TDateTime dateTime; + dateTime = now.DateTime(); + buf.Format(KTimeFormat,dateTime.Hour(),dateTime.Minute(),dateTime.Second(),dateTime.MicroSecond()); + buf.AppendFormatList(aFmt, list ); + + RFileLogger logger; + TInt ret=logger.Connect(); + if (ret==KErrNone) + { + logger.SetDateAndTime(EFalse,EFalse); + logger.CreateLog(KLogFolder, KLogFileName,EFileLoggingModeAppend); + logger.Write(buf); + } + + logger.Close(); + } + +void Log::PruneLogFile() + { + const TInt KMaxLogSize = 1024 * 500; + // + _LIT(KBaseFolder, "_:\\Logs\\"); + TFileName fileName(KBaseFolder); + fileName[0] = 'A' + static_cast(RFs::GetSystemDrive()); + fileName.Append(KLogFolder); + fileName.Append(KPathDelimiter); + fileName.Append(KLogFileName); + // + RFs fsSession; + if (fsSession.Connect() == KErrNone) + { + TEntry entry; + if (fsSession.Entry(fileName, entry) == KErrNone) + { + // Check size and delete if its too big + if (entry.iSize >= KMaxLogSize) + { + TInt fileDeleteErr=fsSession.Delete(fileName); + + // If a debug build - record error + #ifdef _DEBUG + if (fileDeleteErr != KErrNone) + { + RDebug::Print(_L("Log::PruneLogFile - Failed to delete file. Error = %d"), fileDeleteErr); + } + #else + (void)fileDeleteErr; + #endif + } + } + } + fsSession.Close(); + } + +#endif +