mirror of https://gitee.com/bigwinds/arangodb
134 lines
5.5 KiB
C++
134 lines
5.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Oreste Costa-Panaia
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////////////////////////////////////////////////////////////////////////////////
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#ifndef LIB_BASICS_WIN_UTILS_H
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#define LIB_BASICS_WIN_UTILS_H 1
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#include <WinSock2.h>
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#include <string>
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// .............................................................................
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// Called before anything else starts - initializes whatever is required to be
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// initialized.
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// .............................................................................
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typedef enum {
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TRI_WIN_FINAL_SET_INVALID_HANLE_HANDLER,
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TRI_WIN_FINAL_WSASTARTUP_FUNCTION_CALL
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} TRI_win_finalize_e;
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typedef enum {
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TRI_WIN_INITIAL_SET_DEBUG_FLAG,
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TRI_WIN_INITIAL_SET_INVALID_HANLE_HANDLER,
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TRI_WIN_INITIAL_SET_MAX_STD_IO,
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TRI_WIN_INITIAL_WSASTARTUP_FUNCTION_CALL
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} TRI_win_initialize_e;
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int finalizeWindows(const TRI_win_finalize_e, char const*);
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int initializeWindows(const TRI_win_initialize_e, char const*);
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// .............................................................................
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// windows equivalent of ftruncate (the truncation of an open file) is
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// _chsize
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// .............................................................................
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int ftruncate(int, long);
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// .............................................................................
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// windows does not have a function called getpagesize -- create one here
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// .............................................................................
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int getpagesize(void);
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// .............................................................................
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// This function uses the CreateFile windows method rather than _open which
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// then will allow the application to rename files on the fly.
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// .............................................................................
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int TRI_createFile(char const* filename, int openFlags, int modeFlags);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief opens a file for windows
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////////////////////////////////////////////////////////////////////////////////
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int TRI_OPEN_WIN32(char const* filename, int openFlags);
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// .............................................................................
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// the sleep function in windows is for milliseconds, on linux it is for seconds
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// this provides a translation
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// .............................................................................
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void TRI_sleep(unsigned long);
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// .............................................................................
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// there is no usleep (micro sleep) in windows, so we create one here
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// .............................................................................
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void TRI_usleep(unsigned long);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief fixes the ICU_DATA environment path
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////////////////////////////////////////////////////////////////////////////////
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void TRI_FixIcuDataEnv();
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////////////////////////////////////////////////////////////////////////////////
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/// @brief converts a Windows error to a *nix system error
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////////////////////////////////////////////////////////////////////////////////
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int TRI_MapSystemError(DWORD);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief open/close the windows eventlog. Call on start / shutdown
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_InitWindowsEventLog(void);
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void TRI_CloseWindowsEventlog(void);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message to the windows event log.
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/// we rather are keen on logging something at all then on being able to work
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/// with fancy dynamic buffers; thus we work with a static buffer.
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/// the arango internal logging will handle that usually.
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////////////////////////////////////////////////////////////////////////////////
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void TRI_LogWindowsEventlog(char const* func, char const* file, int line, std::string const&);
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void TRI_LogWindowsEventlog(char const* func, char const* file, int line,
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char const* fmt, va_list ap);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message to the windows event log.
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/// this wrapper (and the macro) are similar to regular log facilities.
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/// they should however only be used in panic situations.
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////////////////////////////////////////////////////////////////////////////////
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void TRI_WindowsEmergencyLog(char const* func, char const* file, int line,
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char const* fmt, ...);
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#define LOG_FATAL_WINDOWS(...) \
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do { \
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TRI_WindowsEmergencyLog(__FUNCTION__, __FILE__, __LINE__, __VA_ARGS__); \
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} while (0)
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#endif
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