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// **********************************************************************
//
// Copyright (c) 2003-2009 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/StringUtil.h>
#include <Ice/EventLoggerI.h>
#include <Ice/EventLoggerMsg.h>
#include <Ice/LocalException.h>
#include <IceUtil/StaticMutex.h>
using namespace std;
HMODULE Ice::EventLoggerI::_module = 0;
static IceUtil::StaticMutex outputMutex = ICE_STATIC_MUTEX_INITIALIZER;
Ice::EventLoggerI::EventLoggerI(const string& theAppName) :
_source(0)
{
string appName = theAppName;
if(appName.empty())
{
InitializationException ex(__FILE__, __LINE__);
ex.reason = "event logger requires a value for Ice.ProgramName";
throw ex;
}
//
// We first need to ensure that there is a registry entry for this application
// under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog\Application.
// The application name cannot contain backslashes.
//
string::size_type pos = 0;
while((pos = appName.find('\\', pos)) != string::npos)
{
appName[pos] = '/';
}
string key = "SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\" + appName;
HKEY hKey;
DWORD d;
//
// Try to create the key and set the values.
//
LONG err = RegCreateKeyEx(HKEY_LOCAL_MACHINE, key.c_str(), 0, "REG_SZ", REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0,
&hKey, &d);
if(err == ERROR_SUCCESS)
{
//
// Get the filename of this DLL.
//
char path[_MAX_PATH];
assert(_module != 0);
if(!GetModuleFileName(_module, path, _MAX_PATH))
{
RegCloseKey(hKey);
SyscallException ex(__FILE__, __LINE__);
ex.error = GetLastError();
throw ex;
}
//
// The event resources are bundled into this DLL, therefore the
// "EventMessageFile" key should contain the path to this DLL.
//
err = RegSetValueEx(hKey, "EventMessageFile", 0, REG_EXPAND_SZ,
reinterpret_cast<unsigned char*>(path), static_cast<DWORD>(strlen(path) + 1));
if(err != ERROR_SUCCESS)
{
RegCloseKey(hKey);
SyscallException ex(__FILE__, __LINE__);
ex.error = err;
throw ex;
}
//
// The "TypesSupported" key indicates the supported event types.
//
DWORD typesSupported = EVENTLOG_ERROR_TYPE | EVENTLOG_WARNING_TYPE | EVENTLOG_INFORMATION_TYPE;
err = RegSetValueEx(hKey, "TypesSupported", 0, REG_DWORD, reinterpret_cast<unsigned char*>(&typesSupported),
sizeof(typesSupported));
if(err != ERROR_SUCCESS)
{
RegCloseKey(hKey);
SyscallException ex(__FILE__, __LINE__);
ex.error = err;
throw ex;
}
RegCloseKey(hKey);
}
//
// The event source must match the registry key.
//
_source = RegisterEventSource(0, appName.c_str());
if(_source == 0)
{
SyscallException ex(__FILE__, __LINE__);
ex.error = GetLastError();
throw ex;
}
}
Ice::EventLoggerI::~EventLoggerI()
{
assert(_source != 0);
DeregisterEventSource(_source);
}
void
Ice::EventLoggerI::print(const string& message)
{
const char* str[1];
str[0] = message.c_str();
if(!ReportEvent(_source, EVENTLOG_INFORMATION_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
{
IceUtil::StaticMutex::Lock sync(outputMutex);
cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
}
}
void
Ice::EventLoggerI::trace(const string& category, const string& message)
{
string s;
if(!category.empty())
{
s = category;
s.append(": ");
}
s.append(message);
const char* str[1];
str[0] = s.c_str();
if(!ReportEvent(_source, EVENTLOG_INFORMATION_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
{
IceUtil::StaticMutex::Lock sync(outputMutex);
cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
}
}
void
Ice::EventLoggerI::warning(const string& message)
{
const char* str[1];
str[0] = message.c_str();
if(!ReportEvent(_source, EVENTLOG_WARNING_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
{
IceUtil::StaticMutex::Lock sync(outputMutex);
cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
}
}
void
Ice::EventLoggerI::error(const string& message)
{
const char* str[1];
str[0] = message.c_str();
if(!ReportEvent(_source, EVENTLOG_ERROR_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
{
IceUtil::StaticMutex::Lock sync(outputMutex);
cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
}
}
void
Ice::EventLoggerI::setModuleHandle(HMODULE module)
{
_module = module;
}
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