1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/*
Copyright (c) 2008, 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS 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. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _LIBGLUSTERFSCLIENT_H
#define _LIBGLUSTERFSCLIENT_H
#include <sys/cdefs.h>
__BEGIN_DECLS
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
typedef struct {
struct iovec *vector;
int count;
void *iobref;
void *dictref;
} glusterfs_iobuf_t;
typedef struct {
char *logfile;
char *loglevel;
struct {
char *specfile;
FILE *specfp;
};
char *volume_name;
unsigned long lookup_timeout;
unsigned long stat_timeout;
} glusterfs_init_params_t;
typedef void * glusterfs_handle_t;
/* FIXME: how is glusterfs_file_t different from glusterfs_dir_t? */
typedef void * glusterfs_file_t;
typedef void * glusterfs_dir_t;
typedef
int (*glusterfs_readv_cbk_t) (int op_ret, int op_errno, glusterfs_iobuf_t *buf,
void *cbk_data);
typedef
int (*glusterfs_write_cbk_t) (int op_ret, int op_errno, void *cbk_data);
typedef
int (*glusterfs_get_cbk_t) (int op_ret, int op_errno, glusterfs_iobuf_t *buf,
struct stat *stbuf, void *cbk_data);
/* Used to free the glusterfs_read_buf passed to the application from
glusterfs_read_async_cbk
*/
void
glusterfs_free (glusterfs_iobuf_t *buf);
/* libglusterfsclient initialization function */
glusterfs_handle_t
glusterfs_init (glusterfs_init_params_t *ctx);
int
glusterfs_fini (glusterfs_handle_t handle);
/* For smaller files, application can use just glusterfs_get/glusterfs_get_async
* to read the whole content. Limit of the file-sizes to be read in
* glusterfs_get/glusterfs_get_async is passed in the size argument
*/
/* glusterfs_get:
* @handle : glusterfs handle
* @path : path to be looked upon
* @size : upper limit of file-sizes to be read in lookup
* @stbuf : attribute buffer
*/
int
glusterfs_glh_get (glusterfs_handle_t handle, const char *path, void *buf,
size_t size, struct stat *stbuf);
int
glusterfs_get (const char *path, void *buf, size_t size, struct stat *stbuf);
int
glusterfs_get_async (glusterfs_handle_t handle, const char *path, size_t size,
glusterfs_get_cbk_t cbk, void *cbk_data);
glusterfs_file_t
glusterfs_glh_open (glusterfs_handle_t handle, const char *path, int flags,
...);
glusterfs_file_t
glusterfs_open (const char *path, int flags, ...);
glusterfs_file_t
glusterfs_glh_creat (glusterfs_handle_t handle, const char *path, mode_t mode);
glusterfs_file_t
glusterfs_creat (const char *path, mode_t mode);
int
glusterfs_mkdir (glusterfs_handle_t handle, const char *path, mode_t mode);
int
glusterfs_rmdir (glusterfs_handle_t handle, const char *path);
int
glusterfs_close (glusterfs_file_t fd);
int
glusterfs_stat (glusterfs_handle_t handle, const char *path,
struct stat *stbuf);
int
glusterfs_fstat (glusterfs_file_t fd, struct stat *stbuf);
int
glusterfs_glh_setxattr (glusterfs_handle_t handle, const char *path,
const char *name, const void *value,
size_t size, int flags);
int
glusterfs_setxattr (const char *path, const char *name, const void *value,
size_t size, int flags);
int
glusterfs_lsetxattr (glusterfs_handle_t handle, const char *path,
const char *name, const void *value, size_t size,
int flags);
int
glusterfs_fsetxattr (glusterfs_file_t fd, const char *name, const void *value,
size_t size, int flags);
ssize_t
glusterfs_glh_getxattr (glusterfs_handle_t handle, const char *path,
const char *name, void *value, size_t size);
ssize_t
glusterfs_getxattr (const char *path, const char *name, void *value,
size_t size);
ssize_t
glusterfs_lgetxattr (glusterfs_handle_t handle, const char *path,
const char *name, void *value, size_t size);
ssize_t
glusterfs_fgetxattr (glusterfs_file_t fd, const char *name, void *value,
size_t size);
ssize_t
glusterfs_listxattr (glusterfs_handle_t handle, const char *path, char *list,
size_t size);
ssize_t
glusterfs_llistxattr (glusterfs_handle_t handle, const char *path, char *list,
size_t size);
ssize_t
glusterfs_flistxattr (glusterfs_file_t fd, char *list, size_t size);
int
glusterfs_removexattr (glusterfs_handle_t handle, const char *path,
const char *name);
int
glusterfs_lremovexattr (glusterfs_handle_t handle, const char *path,
const char *name);
int
glusterfs_fremovexattr (glusterfs_file_t fd, const char *name);
ssize_t
glusterfs_read (glusterfs_file_t fd, void *buf, size_t nbytes);
ssize_t
glusterfs_readv (glusterfs_file_t fd, const struct iovec *vec, int count);
int
glusterfs_read_async (glusterfs_file_t fd, size_t nbytes, off_t offset,
glusterfs_readv_cbk_t readv_cbk, void *cbk_data);
ssize_t
glusterfs_write (glusterfs_file_t fd, const void *buf, size_t nbytes);
ssize_t
glusterfs_writev (glusterfs_file_t fd, const struct iovec *vector, int count);
int
glusterfs_write_async (glusterfs_file_t fd, const void *buf, size_t nbytes,
off_t offset, glusterfs_write_cbk_t write_cbk,
void *cbk_data);
int
glusterfs_writev_async (glusterfs_file_t fd, const struct iovec *vector,
int count, off_t offset,
glusterfs_write_cbk_t write_cbk, void *cbk_data);
ssize_t
glusterfs_pread (glusterfs_file_t fd, void *buf, size_t nbytes, off_t offset);
ssize_t
glusterfs_pwrite (glusterfs_file_t fd, const void *buf, size_t nbytes,
off_t offset);
off_t
glusterfs_lseek (glusterfs_file_t fd, off_t offset, int whence);
int
glusterfs_mkdir (glusterfs_handle_t handle, const char *path, mode_t mode);
int
glusterfs_rmdir (glusterfs_handle_t handle, const char *path);
/* FIXME: implement man 3 readdir semantics */
int
glusterfs_readdir (glusterfs_dir_t fd, struct dirent *dirp,
unsigned int count);
/* FIXME: remove getdents */
int
glusterfs_getdents (glusterfs_dir_t fd, struct dirent *dirp,
unsigned int count);
int
glusterfs_mknod(glusterfs_handle_t handle, const char *pathname, mode_t mode,
dev_t dev);
char *
glusterfs_realpath (glusterfs_handle_t handle, const char *path,
char *resolved_path);
int
glusterfs_mount (char *vmp, glusterfs_init_params_t *ipars);
/* FIXME: review the need for these apis */
/* added for log related initialization in booster fork implementation */
void
glusterfs_reset (void);
void
glusterfs_log_lock (void);
void
glusterfs_log_unlock (void);
__END_DECLS
#endif /* !_LIBGLUSTERFSCLIENT_H */
|
