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/**
* @file llerrorstream.h
* @brief Declaration of c++ log straming.
*
* Copyright (c) 2002-2007, Linden Research, Inc.
*
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#ifndef LL_LLERRORSTREAM_H
#define LL_LLERRORSTREAM_H
// Usage:
// LLErrorStream gErrorStream(gErrorBuffer);
//
// gErrorStream << debug << "This is a debug message" << endl;
//
// gErrorStream << fatal << "This message will cause a crash!" << endl;
#include <iostream>
#include "llerrorbuffer.h"
#include "stdtypes.h"
class LLFixedBuffer;
class LLErrorStream : public std::ostream
{
public:
LLErrorStream(LLErrorBuffer *eb);
// Specify error levels-- Use LLErrorBuffer::ELevel instead
enum ELevel
{
DEBUG = 0,
INFO = 1,
WARN = 2,
FATAL = 3,
NONE = 4 // Don't log anything
};
LLErrorBuffer *mErrorBuffer;
// This is used to specify if we need to merge the DebugMask
// or replace it
enum EControl
{
REPLACE = 0,
MERGE = 1
};
void setDebugMask(U32 mask) { mDebugMask = mask; }
void mergeDebugMask(U32 mask) { mDebugMask |= mask; }
U32 getDebugMask() { return mDebugMask; }
void setDebugFlag(U32 flag) { mDebugMask |= flag; }
void clearDebugFlag(U32 flag) { mDebugMask &= ~flag; }
BOOL setFile(const char *path) { return mErrorBuffer->setFile(path); }
void closeFile() { mErrorBuffer->closeFile(); }
const char *getFilename() const { return mErrorBuffer->getFilename(); }
void setFixedBuffer(LLFixedBuffer *b) { mErrorBuffer->setFixedBuffer(b); }
void setErrorLevel(const LLErrorBuffer::ELevel l) { mErrorBuffer->setLevel(l); }
LLErrorBuffer::ELevel getErrorLevel() { return mErrorBuffer->getLevel(); }
void mergeErrorLevel(const LLErrorBuffer::ELevel l) { mErrorBuffer->mergeLevel(l); }
void setError() { mKill = TRUE; };
void crashOnError(std::ostringstream &ss, LLErrorBuffer::ELevel l);
BOOL isEnabledFor(const LLErrorBuffer::ELevel l);
BOOL isEnabledFor(const LLErrorBuffer::ELevel l, const U32 type);
void mergeLevel(const LLErrorBuffer::ELevel l) { mErrorBuffer->mergeLevel(l); }
void setPrintLocation(BOOL b) { mPrintLocation = b; }
BOOL getPrintLocation() { return mPrintLocation; }
void setElevatedRemote(BOOL b) { mErrorBuffer->setElevatedRemote(b); }
void setUTCTimestamp(BOOL utc) { mErrorBuffer->setUTCTimestamp(utc); }
// Deprecated
void setLevel(const ELevel l) { setErrorLevel(ELevelToBufferELevel(l)); }
ELevel getLevel() { return BufferELevelToELevel(getErrorLevel()); }
void mergeLevel(const ELevel l) { mergeErrorLevel(ELevelToBufferELevel(l)); }
// Backwards compatilibity cruft. Should be removed
void mergeTime(BOOL b) { } // NOP
void mergeLocation(BOOL b) { } // NOP
void setTime(BOOL b) { } // NOP
char *getTime() { return ""; } // NOP
typedef void(*LLErrorCallback)(const std::string &error_string);
void setErrorCallback(LLErrorCallback callback) {mErrorCallback = callback;}
private:
// This maintains the existing ELevel interface, but new code should use
// LLErrorBuffer::ELevel instead.
LLErrorBuffer::ELevel ELevelToBufferELevel(const ELevel l);
ELevel BufferELevelToELevel(const LLErrorBuffer::ELevel l);
U32 mDebugMask; // Mask for debugst() output
BOOL mPrintLocation;
S32 mSafeDepth; // Counter so we can safely do recursive calls, 0 means we're OK
BOOL mKill;
LLErrorCallback mErrorCallback;
};
#endif // LL_LLERRORSTREAM_H
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