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//
// EventLogChannel.cpp
//
// $Id: //poco/1.1.0/Foundation/src/EventLogChannel.cpp#2 $
//
// Library: Foundation
// Package: Logging
// Module: EventLogChannel
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Foundation/EventLogChannel.h"
#include "Foundation/Message.h"
#include "pocomsg.h"
Foundation_BEGIN
const std::string EventLogChannel::PROP_NAME = "name";
const std::string EventLogChannel::PROP_HOST = "host";
const std::string EventLogChannel::PROP_LOGFILE = "logFile";
EventLogChannel::EventLogChannel():
_logFile("Application"),
_h(0)
{
char name[256];
int n = GetModuleFileName(NULL, name, sizeof(name));
if (n > 0)
{
char* end = name + n - 1;
while (end > name && *end != '\\') --end;
if (*end == '\\') ++end;
_name = end;
}
}
EventLogChannel::EventLogChannel(const std::string& name):
_name(name),
_logFile("Application"),
_h(0)
{
}
EventLogChannel::EventLogChannel(const std::string& name, const std::string& host):
_name(name),
_host(host),
_logFile("Application"),
_h(0)
{
}
EventLogChannel::~EventLogChannel()
{
close();
}
void EventLogChannel::open()
{
setUpRegistry();
_h = RegisterEventSource(_host.empty() ? NULL : _host.c_str(), _name.c_str());
if (!_h) throw SystemException("cannot register event source");
}
void EventLogChannel::close()
{
if (_h) DeregisterEventSource(_h);
_h = 0;
}
void EventLogChannel::log(const Message& msg)
{
if (!_h) open();
const char* pMsg = msg.getText().c_str();
ReportEvent(_h, getType(msg), getCategory(msg), POCO_MSG_LOG, NULL, 1, 0, &pMsg, NULL);
}
void EventLogChannel::setProperty(const std::string& name, const std::string& value)
{
if (name == PROP_NAME)
_name = value;
else if (name == PROP_HOST)
_host = value;
else if (name == PROP_LOGFILE)
_logFile = value;
else
Channel::setProperty(name, value);
}
std::string EventLogChannel::getProperty(const std::string& name) const
{
if (name == PROP_NAME)
return _name;
else if (name == PROP_HOST)
return _host;
else if (name == PROP_LOGFILE)
return _logFile;
else
return Channel::getProperty(name);
}
int EventLogChannel::getType(const Message& msg)
{
switch (msg.getPriority())
{
case Message::PRIO_TRACE:
case Message::PRIO_DEBUG:
case Message::PRIO_INFORMATION:
return EVENTLOG_INFORMATION_TYPE;
case Message::PRIO_NOTICE:
case Message::PRIO_WARNING:
return EVENTLOG_WARNING_TYPE;
default:
return EVENTLOG_ERROR_TYPE;
}
}
int EventLogChannel::getCategory(const Message& msg)
{
switch (msg.getPriority())
{
case Message::PRIO_TRACE:
return POCO_CTG_TRACE;
case Message::PRIO_DEBUG:
return POCO_CTG_DEBUG;
case Message::PRIO_INFORMATION:
return POCO_CTG_INFORMATION;
case Message::PRIO_NOTICE:
return POCO_CTG_NOTICE;
case Message::PRIO_WARNING:
return POCO_CTG_WARNING;
case Message::PRIO_ERROR:
return POCO_CTG_ERROR;
case Message::PRIO_CRITICAL:
return POCO_CTG_CRITICAL;
case Message::PRIO_FATAL:
return POCO_CTG_FATAL;
default:
return 0;
}
}
void EventLogChannel::setUpRegistry() const
{
std::string key = "SYSTEM\\CurrentControlSet\\Services\\EventLog\\";
key.append(_logFile);
key.append("\\");
key.append(_name);
HKEY hKey;
DWORD disp;
DWORD rc = RegCreateKeyEx(HKEY_LOCAL_MACHINE, key.c_str(), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &disp);
if (rc != ERROR_SUCCESS) return;
if (disp == REG_CREATED_NEW_KEY)
{
std::string path;
#if defined(POCO_DLL)
#if defined(_DEBUG)
path = findLibrary("PocoFoundationd.dll");
#else
path = findLibrary("PocoFoundation.dll");
#endif
#endif
if (path.empty())
path = findLibrary("PocoMsg.dll");
if (!path.empty())
{
DWORD count = 8;
DWORD types = 7;
RegSetValueEx(hKey, "CategoryMessageFile", 0, REG_SZ, (const BYTE*) path.c_str(), (DWORD) path.size() + 1);
RegSetValueEx(hKey, "EventMessageFile", 0, REG_SZ, (const BYTE*) path.c_str(), (DWORD) path.size() + 1);
RegSetValueEx(hKey, "CategoryCount", 0, REG_DWORD, (const BYTE*) &count, (DWORD) sizeof(count));
RegSetValueEx(hKey, "TypesSupported", 0, REG_DWORD, (const BYTE*) &types, (DWORD) sizeof(types));
}
}
RegCloseKey(hKey);
}
std::string EventLogChannel::findLibrary(const char* name)
{
std::string path;
HMODULE dll = LoadLibrary(name);
if (dll)
{
char name[MAX_PATH + 1];
int n = GetModuleFileName(dll, name, sizeof(name));
if (n > 0) path = name;
FreeLibrary(dll);
}
return path;
}
Foundation_END