homework-jianmu/include/os/osFile.h

77 lines
2.5 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TDENGINE_OS_FILE_H
#define TDENGINE_OS_FILE_H
#ifdef __cplusplus
extern "C" {
#endif
#include "osSocket.h"
#define FD_VALID(x) ((x) > STDERR_FILENO)
#define FD_INITIALIZER ((int32_t)-1)
#ifndef PATH_MAX
#define PATH_MAX 256
#endif
#if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
typedef int32_t FileFd;
typedef SOCKET SocketFd;
#else
typedef int32_t FileFd;
typedef int32_t SocketFd;
#endif
int64_t taosRead(FileFd fd, void *buf, int64_t count);
int64_t taosWrite(FileFd fd, void *buf, int64_t count);
int64_t taosLSeek(FileFd fd, int64_t offset, int32_t whence);
int32_t taosFtruncate(FileFd fd, int64_t length);
int32_t taosFsync(FileFd fd);
int32_t taosRename(char* oldName, char *newName);
int64_t taosCopy(char *from, char *to);
int64_t taosSendFile(SocketFd dfd, FileFd sfd, int64_t *offset, int64_t size);
int64_t taosFSendFile(FILE *outfile, FILE *infile, int64_t *offset, int64_t size);
void taosGetTmpfilePath(const char *fileNamePrefix, char *dstPath);
void taosClose(FileFd fd);
#ifdef TAOS_RANDOM_FILE_FAIL
void taosSetRandomFileFailFactor(int32_t factor);
void taosSetRandomFileFailOutput(const char *path);
#ifdef TAOS_RANDOM_FILE_FAIL_TEST
int64_t taosReadFileRandomFail(int32_t fd, void *buf, int32_t count, const char *file, uint32_t line);
int64_t taosWriteFileRandomFail(int32_t fd, void *buf, int32_t count, const char *file, uint32_t line);
int64_t taosLSeekRandomFail(int32_t fd, int64_t offset, int32_t whence, const char *file, uint32_t line);
#undef taosRead
#undef taosWrite
#undef taosLSeek
#define taosRead(fd, buf, count) taosReadFileRandomFail(fd, buf, count, __FILE__, __LINE__)
#define taosWrite(fd, buf, count) taosWriteFileRandomFail(fd, buf, count, __FILE__, __LINE__)
#define taosLSeek(fd, offset, whence) taosLSeekRandomFail(fd, offset, whence, __FILE__, __LINE__)
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif