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#pragma once |
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#include <plog/Appenders/IAppender.h> |
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#include <plog/WinApi.h> |
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|
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namespace plog |
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{ |
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template <class Formatter> |
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class EventLogAppender : public IAppender |
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{ |
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public: |
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EventLogAppender(const wchar_t* sourceName) : m_eventSource(RegisterEventSourceW(NULL, sourceName)) |
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{ |
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} |
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|
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~EventLogAppender() |
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{ |
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DeregisterEventSource(m_eventSource); |
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} |
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|
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virtual void write(const Record& record) |
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{ |
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std::wstring str = Formatter::format(record); |
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const wchar_t* logMessagePtr[] = { str.c_str() }; |
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|
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ReportEventW(m_eventSource, logSeverityToType(record.getSeverity()), static_cast<WORD>(record.getSeverity()), 0, NULL, 1, 0, logMessagePtr, NULL); |
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} |
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|
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private: |
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static WORD logSeverityToType(plog::Severity severity) |
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{ |
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switch (severity) |
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{ |
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case plog::fatal: |
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case plog::error: |
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return eventLog::kErrorType; |
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|
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case plog::warning: |
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return eventLog::kWarningType; |
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|
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case plog::info: |
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case plog::debug: |
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case plog::verbose: |
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default: |
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return eventLog::kInformationType; |
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} |
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} |
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|
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private: |
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HANDLE m_eventSource; |
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}; |
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|
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class EventLogAppenderRegistry |
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{ |
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public: |
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static bool add(const wchar_t* sourceName, const wchar_t* logName = L"Application") |
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{ |
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std::wstring logKeyName; |
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std::wstring sourceKeyName; |
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getKeyNames(sourceName, logName, sourceKeyName, logKeyName); |
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|
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HKEY sourceKey; |
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if (0 != RegCreateKeyExW(hkey::kLocalMachine, sourceKeyName.c_str(), 0, NULL, 0, regSam::kSetValue, NULL, &sourceKey, NULL)) |
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{ |
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return false; |
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} |
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|
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const DWORD kTypesSupported = eventLog::kErrorType | eventLog::kWarningType | eventLog::kInformationType; |
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RegSetValueExW(sourceKey, L"TypesSupported", 0, regType::kDword, &kTypesSupported, sizeof(kTypesSupported)); |
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|
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const wchar_t kEventMessageFile[] = L"%windir%\\Microsoft.NET\\Framework\\v4.0.30319\\EventLogMessages.dll;%windir%\\Microsoft.NET\\Framework\\v2.0.50727\\EventLogMessages.dll"; |
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RegSetValueExW(sourceKey, L"EventMessageFile", 0, regType::kExpandSz, kEventMessageFile, static_cast<DWORD>(::wcslen(kEventMessageFile) * sizeof(wchar_t))); |
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|
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RegCloseKey(sourceKey); |
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return true; |
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} |
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|
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static bool exists(const wchar_t* sourceName, const wchar_t* logName = L"Application") |
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{ |
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std::wstring logKeyName; |
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std::wstring sourceKeyName; |
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getKeyNames(sourceName, logName, sourceKeyName, logKeyName); |
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|
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HKEY sourceKey; |
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if (0 != RegOpenKeyExW(hkey::kLocalMachine, sourceKeyName.c_str(), 0, regSam::kQueryValue, &sourceKey)) |
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{ |
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return false; |
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} |
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|
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RegCloseKey(sourceKey); |
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return true; |
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} |
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|
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static void remove(const wchar_t* sourceName, const wchar_t* logName = L"Application") |
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{ |
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std::wstring logKeyName; |
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std::wstring sourceKeyName; |
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getKeyNames(sourceName, logName, sourceKeyName, logKeyName); |
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|
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RegDeleteKeyW(hkey::kLocalMachine, sourceKeyName.c_str()); |
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RegDeleteKeyW(hkey::kLocalMachine, logKeyName.c_str()); |
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} |
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|
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private: |
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static void getKeyNames(const wchar_t* sourceName, const wchar_t* logName, std::wstring& sourceKeyName, std::wstring& logKeyName) |
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{ |
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const std::wstring kPrefix = L"SYSTEM\\CurrentControlSet\\Services\\EventLog\\"; |
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logKeyName = kPrefix + logName; |
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sourceKeyName = logKeyName + L"\\" + sourceName; |
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} |
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}; |
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} |
