src/server/daemon/vfs.h

Sat, 13 Jan 2018 18:48:19 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 13 Jan 2018 18:48:19 +0100
branch
aio
changeset 192
6a145e13d933
parent 189
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child 211
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permissions
-rw-r--r--

replaces eventfd with pipe and closes aio branch

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef VFS_H
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30 #define VFS_H
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31
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32 #include "../public/vfs.h"
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33 #include "acl.h"
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34
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35 #ifdef __cplusplus
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36 extern "C" {
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37 #endif
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38
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39 typedef struct SysVFSDir {
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40 DIR *dir;
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41 struct dirent *cur;
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42 } SysVFSDir;
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43
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44 enum VFSAioOp {
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45 VFS_AIO_READ = 0,
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46 VFS_AIO_WRITE
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47 };
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48 typedef enum VFSAioOp VFSAioOp;
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49
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50 int vfs_init();
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51
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52 typedef int(*vfs_op_f)(VFSContext *, char *);
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53 typedef int(*sys_op_f)(VFSContext *, char *, SysACL *);
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54 int vfs_path_op(VFSContext *ctx, char *path, vfs_op_f op, uint32_t access);
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56 SYS_FILE sys_vfs_open(VFSContext *ctx, char *path, int oflags);
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57 int sys_vfs_stat(VFSContext *ctx, char *path, struct stat *buf);
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58 int sys_vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf);
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59 VFS_DIR sys_vfs_opendir(VFSContext *ctx, char *path);
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60 int sys_vfs_mkdir(VFSContext *ctx, char *path);
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61 int sys_vfs_unlink(VFSContext *ctx, char *path);
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62
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63 int sys_path_op(VFSContext *ctx, char *path, sys_op_f op);
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64 int sys_acl_check(VFSContext *ctx, uint32_t access_mask, SysACL *externacl);
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65 void sys_set_error_status(VFSContext *ctx);
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66
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67 ssize_t sys_file_read(SYS_FILE fd, void *buf, size_t nbyte);
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68 ssize_t sys_file_write(SYS_FILE fd, const void *buf, size_t nbyte);
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69 ssize_t sys_file_pread(SYS_FILE fd, void *buf, size_t nbyte, off_t offset);
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70 ssize_t sys_file_pwrite(SYS_FILE fd, const void *buf, size_t nbyte, off_t offset);
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71 off_t sys_file_seek(SYS_FILE fd, off_t offset, int whence);
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72 void sys_file_close(SYS_FILE fd);
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73 int sys_file_aioread(aiocb_s *aiocb);
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74 int sys_file_aiowrite(aiocb_s *aiocb);
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76 int sys_dir_read(VFS_DIR dir, VFS_ENTRY *entry, int getstat);
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77 void sys_dir_close(VFS_DIR dir);
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79 int sys_mkdir(VFSContext *ctx, char *path, SysACL *sysacl);
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80 int sys_unlink(VFSContext *ctx, char *path, SysACL *sysacl);
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82 void vfs_queue_aio(aiocb_s *aiocb, VFSAioOp op);
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83
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84 #ifdef __cplusplus
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85 }
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86 #endif
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87
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88 #endif /* VFS_H */
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89

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