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
|
/*
Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.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 _SERVER_PROTOCOL_H_
#define _SERVER_PROTOCOL_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "call-stub.h"
#include "fd.h"
#include "byte-order.h"
#include "server-mem-types.h"
#include "authenticate.h"
#include "transport.h"
#define DEFAULT_BLOCK_SIZE 4194304 /* 4MB */
#define DEFAULT_VOLUME_FILE_PATH CONFDIR "/glusterfs.vol"
typedef struct _server_state server_state_t;
struct _locker {
struct list_head lockers;
char *volume;
loc_t loc;
fd_t *fd;
pid_t pid;
};
struct _lock_table {
struct list_head file_lockers;
struct list_head dir_lockers;
gf_lock_t lock;
size_t count;
};
/* private structure per connection (transport object)
* used as transport_t->xl_private
*/
struct _server_connection {
struct list_head list;
char *id;
int ref;
int active_transports;
pthread_mutex_t lock;
char disconnected;
fdtable_t *fdtable;
struct _lock_table *ltable;
xlator_t *bound_xl;
};
typedef struct _server_connection server_connection_t;
server_connection_t *
server_connection_get (xlator_t *this, const char *id);
void
server_connection_put (xlator_t *this, server_connection_t *conn);
int
server_connection_destroy (xlator_t *this, server_connection_t *conn);
int
server_connection_cleanup (xlator_t *this, server_connection_t *conn);
int
server_nop_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno);
struct _volfile_ctx {
struct _volfile_ctx *next;
char *key;
uint32_t checksum;
};
typedef struct {
struct _volfile_ctx *volfile;
dict_t *auth_modules;
transport_t *trans;
int32_t max_block_size;
int32_t inode_lru_limit;
pthread_mutex_t mutex;
struct list_head conns;
gf_boolean_t verify_volfile_checksum;
gf_boolean_t trace;
} server_conf_t;
typedef enum {
RESOLVE_MUST = 1,
RESOLVE_NOT,
RESOLVE_MAY,
RESOLVE_DONTCARE,
RESOLVE_EXACT
} server_resolve_type_t;
struct resolve_comp {
char *basename;
ino_t ino;
uint64_t gen;
inode_t *inode;
};
typedef struct {
server_resolve_type_t type;
uint64_t fd_no;
ino_t ino;
uint64_t gen;
ino_t par;
char *path;
char *bname;
char *resolved;
int op_ret;
int op_errno;
loc_t deep_loc;
struct resolve_comp *components;
int comp_count;
} server_resolve_t;
typedef int (*server_resume_fn_t) (call_frame_t *frame, xlator_t *bound_xl);
int
resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn);
struct _server_state {
transport_t *trans;
xlator_t *bound_xl;
inode_table_t *itable;
server_resume_fn_t resume_fn;
loc_t loc;
loc_t loc2;
server_resolve_t resolve;
server_resolve_t resolve2;
/* used within resolve_and_resume */
loc_t *loc_now;
server_resolve_t *resolve_now;
struct iatt stbuf;
int valid;
fd_t *fd;
int flags;
int wbflags;
struct iobuf *iobuf;
struct iobref *iobref;
size_t size;
off_t offset;
mode_t mode;
dev_t dev;
size_t nr_count;
int cmd;
int type;
char *name;
int name_len;
int mask;
char is_revalidate;
dict_t *dict;
struct flock flock;
const char *volume;
dir_entry_t *entry;
};
#endif
|
