author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 23 Jun 2010 18:00:21 +0300 | |
changeset 53 | bf7eb7911fc5 |
parent 30 | 759dc5235cdb |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef EMAILTRACE_H |
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#define EMAILTRACE_H |
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#include <e32debug.h> |
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#include <qdebug.h> |
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#include <qfile.h> |
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/* |
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* The NM_TRACING_SYSTEM macro can be used to enable and disable the tracing |
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* system in debug mode. The tracing system can be disabled in a specific |
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* source file by defining the macro "NM_TRACING_SYSTEM 0" before this file |
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* is included. |
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*/ |
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#ifndef NM_TRACING_SYSTEM |
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#define NM_TRACING_SYSTEM 1 |
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#endif |
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/* |
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* The macros NM_COMMENT_TRACES, NM_ERROR_TRACES, and NM_FUNCTION_TRACES |
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* control which debug messages are printed. The trace logging is controlled |
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* with the NM_LOG_TO_FILE macro, whereas the NM_LOG_FILE macro defines which |
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* file is to be used in logging. The print_trace() helper function implements |
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* printing. If NM_LOG_TO_FILE is zero or the NM_LOG_FILE cannot be opened, |
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* the messages are printed to qDebug(). |
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*/ |
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#if NM_TRACING_SYSTEM && (defined(DEBUG) || defined(_DEBUG)) |
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#define NM_COMMENT_TRACES 1 |
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#define NM_ERROR_TRACES 1 |
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#define NM_FUNCTION_TRACES 1 |
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#if NM_COMMENT_TRACES || NM_ERROR_TRACES || NM_FUNCTION_TRACES |
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#define NM_LOG_TO_FILE 0 |
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#define NM_LOG_FILE "c:/data/logs/nmail_trace.log" |
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inline void print_trace(const QString& msg) |
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{ |
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static QFile file(NM_LOG_FILE); |
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if (NM_LOG_TO_FILE && !file.isOpen()) { |
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file.open(QIODevice::Append | QIODevice::Text); |
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} |
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if (file.isWritable()) { |
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QDebug(&file).nospace() << "[Nmail] " << msg << '\n'; |
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} else { |
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qDebug().nospace() << "[Nmail] " << msg; |
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} |
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} |
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#endif |
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#endif /* DEBUG */ |
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/* |
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* The function NM_COMMENT() prints a debug message. The INFO macros and the |
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* NMLOG macro are provided for legacy compatibility. They are deprecated and |
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* should not be used. If sprintf() type of formatting is desired, consider |
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* using QString::arg() or QTextStream. |
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*/ |
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#if NM_COMMENT_TRACES |
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inline void NM_COMMENT(const QString& msg) |
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{ |
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print_trace("COMMENT : " + msg); |
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} |
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#define INFO(msg) NM_COMMENT(msg) |
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#define INFO_1(msg,arg1)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1);\ |
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NM_COMMENT(__msg);\ |
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} while (0) |
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#define INFO_2(msg,arg1,arg2)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1,arg2);\ |
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NM_COMMENT(__msg);\ |
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} while (0) |
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#define INFO_3(msg,arg1,arg2,arg3)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1,arg2,arg3);\ |
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NM_COMMENT(__msg);\ |
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} while (0) |
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#define NMLOG(msg) NM_COMMENT(msg) |
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#else |
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#define NM_COMMENT(msg) |
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#define INFO(msg) |
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#define INFO_1(msg,arg1) |
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#define INFO_2(msg,arg1,arg2) |
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#define INFO_3(msg,arg1,arg2,arg3) |
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#define NMLOG(msg) |
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|
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#endif /* NM_COMMENT_TRACES */ |
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/* |
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* The function NM_ERROR() prints its second argument if the first argument |
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* is non-zero. The ERROR macros are provided for legacy compatibility. They |
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* are deprecated and should not be used. If sprintf() type of formatting is |
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* desired, consider using QString::arg() or QTextStream. |
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*/ |
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#if NM_ERROR_TRACES |
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inline void NM_ERROR(int err, const QString& msg) |
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{ |
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if (err) { |
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print_trace("ERROR : " + msg); |
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} |
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} |
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#define ERROR(err,msg) NM_ERROR(err,msg) |
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#define ERROR_1(err,msg,arg1)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1);\ |
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NM_ERROR(err,__msg);\ |
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} while (0) |
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#define ERROR_2(err,msg,arg1,arg2)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1,arg2);\ |
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NM_ERROR(err,__msg);\ |
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} while(0) |
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#define ERROR_3(err,msg,arg1,arg2,arg3)\ |
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do {\ |
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QString __msg;\ |
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__msg.sprintf(msg,arg1,srg2,arg3);\ |
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NM_ERROR(err,__msg);\ |
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} while(0) |
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#define ERROR_GEN(msg) ERROR(KErrGeneral,msg) |
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#define ERROR_GEN_1(msg,arg1) ERROR_1(KErrGeneral,msg,arg1) |
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#else |
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#define NM_ERROR(err,msg) |
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#define ERROR(err,msg) |
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#define ERROR_1(err,msg,arg1) |
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#define ERROR_2(err,msg,arg1,arg2) |
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#define ERROR_3(err,msg,arg1,arg2,arg3) |
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#define ERROR_GEN(msg) |
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#define ERROR_GEN_1(msg,arg1) |
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|
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#endif /* NM_ERROR_TRACES */ |
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|
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/* |
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* The macro NM_FUNCTION, when used inside a function body, enables tracing |
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* for a function. ENTER and RETURN messages are printed when entering into |
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* and returning from a function, respectively. In case of an exception, |
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* UNWIND (for stack unwinding) is printed. The FUNC_LOG macro is provided |
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* for legacy compatibility. It is deprecated and should not be used. |
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*/ |
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#if NM_FUNCTION_TRACES |
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class __ftracer |
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{ |
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public: |
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__ftracer(const QString& _fn) |
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: fn(_fn) |
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{ |
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print_trace("ENTER : " + fn); |
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} |
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~__ftracer() |
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{ |
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if (std::uncaught_exception()) { |
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print_trace("UNWIND : " + fn); |
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} else { |
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print_trace("RETURN : " + fn); |
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} |
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} |
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private: |
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QString fn; |
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}; |
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|
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#define NM_FUNCTION __ftracer __ft(__PRETTY_FUNCTION__) |
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#define FUNC_LOG NM_FUNCTION |
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|
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#else |
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#define NM_FUNCTION |
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#define FUNC_LOG |
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#endif /* NM_FUNCTION_TRACES */ |
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Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
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changeset
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#endif /* EMAILTRACE_H */ |