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// **********************************************************************
//
// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceUtil/Time.h>
#include <Ice/LoggerI.h>
#include <IceUtil/Mutex.h>
#include <IceUtil/MutexPtrLock.h>
#ifdef _WIN32
# include <IceUtil/StringUtil.h>
# include <IceUtil/ScopedArray.h>
# include <IceUtil/StringConverter.h>
#endif
#include <Ice/LocalException.h>
using namespace std;
using namespace Ice;
using namespace IceInternal;
namespace
{
IceUtil::Mutex* outputMutex = 0;
class Init
{
public:
Init()
{
outputMutex = new IceUtil::Mutex;
}
~Init()
{
delete outputMutex;
outputMutex = 0;
}
};
Init init;
#ifdef _WIN32
string
UTF8ToCodePage(const string& in, int codePage)
{
string out;
if(!in.empty())
{
if(CP_UTF8 == codePage)
{
out = in;
}
else
{
IceUtil::ScopedArray<wchar_t> wbuffer;
int size = 0;
int wlength = 0;
do
{
size == 0 ? 2 * in.size() : 2 * size;
wbuffer.reset(new wchar_t[size]);
wlength = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, in.c_str(), -1, wbuffer.get(), size);
}
while(wlength == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER);
if(wlength == 0)
{
throw IceUtil::IllegalConversionException(__FILE__, __LINE__, IceUtilInternal::lastErrorToString());
}
//
// WC_ERR_INVALID_CHARS conversion flag is only supported with 65001 (UTF-8) and
// 54936 (GB18030 Simplified Chinese)
//
DWORD conversionFlags = (codePage == 65001 || codePage == 54936) ? WC_ERR_INVALID_CHARS : 0;
IceUtil::ScopedArray<char> buffer;
size = 0;
int length = 0;
do
{
size == 0 ? wlength + 2 : 2 * size;
buffer.reset(new char[length]);
length = WideCharToMultiByte(codePage, conversionFlags, wbuffer.get(), wlength, buffer.get(), size, 0, 0);
}
while(length == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER);
if(!length)
{
throw IceUtil::IllegalConversionException(__FILE__, __LINE__, IceUtilInternal::lastErrorToString());;
}
out.assign(buffer.get(), length);
}
}
return out;
}
#endif
}
Ice::LoggerI::LoggerI(const string& prefix, const string& file,
bool convert, const IceUtil::StringConverterPtr& converter) :
_convert(convert),
_converter(converter)
{
if(!prefix.empty())
{
_prefix = prefix + ": ";
}
if(!file.empty())
{
_file = file;
_out.open(file, fstream::out | fstream::app);
if(!_out.is_open())
{
throw InitializationException(__FILE__, __LINE__, "FileLogger: cannot open " + _file);
}
}
}
Ice::LoggerI::~LoggerI()
{
if(_out.is_open())
{
_out.close();
}
}
void
Ice::LoggerI::print(const string& message)
{
write(message, false);
}
void
Ice::LoggerI::trace(const string& category, const string& message)
{
string s = "-- " + IceUtil::Time::now().toDateTime() + " " + _prefix;
if(!category.empty())
{
s += category + ": ";
}
s += message;
write(s, true);
}
void
Ice::LoggerI::warning(const string& message)
{
write("-! " + IceUtil::Time::now().toDateTime() + " " + _prefix + "warning: " + message, true);
}
void
Ice::LoggerI::error(const string& message)
{
write("!! " + IceUtil::Time::now().toDateTime() + " " + _prefix + "error: " + message, true);
}
LoggerPtr
Ice::LoggerI::cloneWithPrefix(const std::string& prefix)
{
return new LoggerI(prefix, _file, _convert, _converter);
}
void
Ice::LoggerI::write(const string& message, bool indent)
{
IceUtilInternal::MutexPtrLock<IceUtil::Mutex> sync(outputMutex);
string s = message;
if(indent)
{
string::size_type idx = 0;
while((idx = s.find("\n", idx)) != string::npos)
{
s.insert(idx + 1, " ");
++idx;
}
}
if(_out.is_open())
{
_out << s << endl;
}
else
{
#ifndef _WIN32
cerr << s << endl;
#else
//
// Convert the message from the native narrow string encoding to the console
// code page encoding for printing. If the _convert member is set to false
// we don't do any conversion.
//
if(!_convert)
{
cerr << s << endl;
}
else
{
try
{
//
// First we convert the message to UTF8 using nativeToUTF8
// then we convert the message to the console code page
// using UTF8ToCodePage.
//
// nativeToUTF8 doesn't do any conversion if the converter is
// null likewise UTF8ToCodePage doesn't do any conversion if
// the code page is UTF8.
//
// We cannot use cerr here as writing to console using cerr
// will do its own conversion and will corrupt the messages.
//
fprintf_s(stderr, "%s\n", UTF8ToCodePage(IceUtil::nativeToUTF8(_converter, s),
GetConsoleOutputCP()).c_str());
}
catch(const IceUtil::IllegalConversionException&)
{
//
// If there is a problem with the encoding conversions we just
// write the original message without encoding conversions.
//
fprintf_s(stderr, "%s\n", s.c_str());
}
}
#endif
}
}
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