summaryrefslogtreecommitdiffstats
path: root/xlators/mgmt/glusterd/src/glusterd-op-sm.h
blob: 62ebcbabe6e1a6efa63f4029ad458a2d9d011637 (plain)
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
266
267
268
269
270
271
272
/*
   Copyright (c) 2006-2012 Red Hat, Inc. <http://www.redhat.com>
   This file is part of GlusterFS.

   This file is licensed to you under your choice of the GNU Lesser
   General Public License, version 3 or any later version (LGPLv3 or
   later), or the GNU General Public License, version 2 (GPLv2), in all
   cases as published by the Free Software Foundation.
*/
#ifndef _GLUSTERD_OP_SM_H_
#define _GLUSTERD_OP_SM_H_

#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif

#ifndef GSYNC_CONF
#define GSYNC_CONF GEOREP"/gsyncd.conf"
#endif

#include <pthread.h>
#include "uuid.h"

#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "call-stub.h"
#include "fd.h"
#include "byte-order.h"
#include "glusterd.h"
#include "protocol-common.h"

#define GD_VOLUME_NAME_MAX 256

typedef enum glusterd_op_sm_state_ {
        GD_OP_STATE_DEFAULT = 0,
        GD_OP_STATE_LOCK_SENT,
        GD_OP_STATE_LOCKED,
        GD_OP_STATE_STAGE_OP_SENT,
        GD_OP_STATE_STAGED,
        GD_OP_STATE_COMMIT_OP_SENT,
        GD_OP_STATE_COMMITED,
        GD_OP_STATE_UNLOCK_SENT,
        GD_OP_STATE_STAGE_OP_FAILED,
        GD_OP_STATE_COMMIT_OP_FAILED,
        GD_OP_STATE_BRICK_OP_SENT,
        GD_OP_STATE_BRICK_OP_FAILED,
        GD_OP_STATE_BRICK_COMMITTED,
        GD_OP_STATE_BRICK_COMMIT_FAILED,
        GD_OP_STATE_ACK_DRAIN,
        GD_OP_STATE_MAX,
} glusterd_op_sm_state_t;

typedef enum glusterd_op_sm_event_type_ {
        GD_OP_EVENT_NONE = 0,
        GD_OP_EVENT_START_LOCK,
        GD_OP_EVENT_LOCK,
        GD_OP_EVENT_RCVD_ACC,
        GD_OP_EVENT_ALL_ACC,
        GD_OP_EVENT_STAGE_ACC,
        GD_OP_EVENT_COMMIT_ACC,
        GD_OP_EVENT_RCVD_RJT,
        GD_OP_EVENT_STAGE_OP,
        GD_OP_EVENT_COMMIT_OP,
        GD_OP_EVENT_UNLOCK,
        GD_OP_EVENT_START_UNLOCK,
        GD_OP_EVENT_ALL_ACK,
        GD_OP_EVENT_LOCAL_UNLOCK_NO_RESP,
        GD_OP_EVENT_MAX
} glusterd_op_sm_event_type_t;


struct glusterd_op_sm_event_ {
        struct list_head                list;
        void                            *ctx;
        glusterd_op_sm_event_type_t     event;
};

typedef struct glusterd_op_sm_event_ glusterd_op_sm_event_t;

typedef int (*glusterd_op_sm_ac_fn) (glusterd_op_sm_event_t *, void *);

typedef struct glusterd_op_sm_ {
        glusterd_op_sm_state_t      next_state;
        glusterd_op_sm_ac_fn        handler;
} glusterd_op_sm_t;

typedef struct glusterd_op_sm_state_info_ {
        glusterd_op_sm_state_t          state;
        struct timeval                  time;
} glusterd_op_sm_state_info_t;

struct glusterd_op_info_ {
        glusterd_op_sm_state_info_t     state;
        int32_t                         pending_count;
        int32_t                         brick_pending_count;
        int32_t                         op_count;
        glusterd_op_t                   op;
        struct list_head                op_peers;
        void                            *op_ctx;
        rpcsvc_request_t                *req;
        int32_t                         op_ret;
        int32_t                         op_errno;
        char                            *op_errstr;
        struct  list_head               pending_bricks;
};

typedef struct glusterd_op_info_ glusterd_op_info_t;

struct glusterd_op_log_filename_ctx_ {
        char                    volume_name[GD_VOLUME_NAME_MAX];
        char                    brick[GD_VOLUME_NAME_MAX];
        char                    path[PATH_MAX];
};
typedef struct glusterd_op_log_filename_ctx_ glusterd_op_log_filename_ctx_t;

struct glusterd_op_lock_ctx_ {
        uuid_t                  uuid;
        rpcsvc_request_t        *req;
};

typedef struct glusterd_op_lock_ctx_ glusterd_op_lock_ctx_t;

struct glusterd_req_ctx_ {
        rpcsvc_request_t *req;
	u_char            uuid[16];
	int               op;
        dict_t           *dict;
};

typedef struct glusterd_req_ctx_ glusterd_req_ctx_t;

typedef struct glusterd_op_brick_rsp_ctx_ {
        int  op_ret;
        char *op_errstr;
        dict_t *rsp_dict;
        glusterd_req_ctx_t *commit_ctx;
        glusterd_pending_node_t *pending_node;
} glusterd_op_brick_rsp_ctx_t;

typedef struct glusterd_pr_brick_rsp_conv_t {
        int count;
        dict_t *dict;
} glusterd_pr_brick_rsp_conv_t;

typedef struct glusterd_heal_rsp_conv_ {
        dict_t *dict;
        glusterd_volinfo_t *volinfo;
        xlator_t *this;
} glusterd_heal_rsp_conv_t;

typedef struct glusterd_status_rsp_conv_ {
        int count;
        int brick_index_max;
        int other_count;
        dict_t *dict;
} glusterd_status_rsp_conv_t;

typedef struct glusterd_gsync_status_temp {
        dict_t *rsp_dict;
        glusterd_volinfo_t *volinfo;
}glusterd_gsync_status_temp_t;
int
glusterd_op_sm_new_event (glusterd_op_sm_event_type_t event_type,
                          glusterd_op_sm_event_t **new_event);
int
glusterd_op_sm_inject_event (glusterd_op_sm_event_type_t event_type,
                             void *ctx);

int
glusterd_op_sm_init ();

int
glusterd_op_sm ();

int32_t
glusterd_op_set_ctx (void *ctx);

int32_t
glusterd_op_set_op (glusterd_op_t op);

int
glusterd_op_build_payload (dict_t **req, char **op_errstr);

int32_t
glusterd_op_stage_validate (glusterd_op_t op, dict_t *req, char **op_errstr,
                            dict_t *rsp_dict);

int32_t
glusterd_op_commit_perform (glusterd_op_t op, dict_t *req, char **op_errstr,
                            dict_t* dict);

int32_t
glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx);

int32_t
glusterd_op_txn_complete ();

void *
glusterd_op_get_ctx ();

int32_t
glusterd_op_set_req (rpcsvc_request_t *req);

int32_t
glusterd_op_send_cli_response (glusterd_op_t op, int32_t op_ret,
                               int32_t op_errno, rpcsvc_request_t *req,
                               void *ctx, char *op_errstr);
int32_t
glusterd_op_get_op ();

int32_t
glusterd_op_clear_op ();

int32_t
glusterd_op_free_ctx (glusterd_op_t op, void *ctx);

int
glusterd_check_option_exists(char *optstring, char **completion);

int
set_xlator_option (dict_t *dict, char *key, char *value);

void
glusterd_do_replace_brick (void *data);

char*
glusterd_op_sm_state_name_get (int state);

char*
glusterd_op_sm_event_name_get (int event);
int32_t
glusterd_op_bricks_select (glusterd_op_t op, dict_t *dict, char **op_errstr);
int
glusterd_brick_op_build_payload (glusterd_op_t op, glusterd_brickinfo_t *brickinfo,
                                 gd1_mgmt_brick_op_req **req, dict_t *dict);
int
glusterd_node_op_build_payload (glusterd_op_t op, gd1_mgmt_brick_op_req **req,
                               dict_t *dict);
int32_t
glusterd_handle_brick_rsp (void *pending_entry, glusterd_op_t op,
                           dict_t *rsp_dict, dict_t *ctx_dict, char **op_errstr,
                           gd_node_type type);
int32_t
glusterd_op_init_ctx (glusterd_op_t op);
int32_t
glusterd_op_fini_ctx ();
int32_t
glusterd_volume_stats_read_perf (char *brick_path, int32_t blk_size,
                int32_t blk_count, double *throughput, double *time);
int32_t
glusterd_volume_stats_write_perf (char *brick_path, int32_t blk_size,
                int32_t blk_count, double *throughput, double *time);
gf_boolean_t
glusterd_is_volume_started (glusterd_volinfo_t  *volinfo);
int
glusterd_start_bricks (glusterd_volinfo_t *volinfo);
gf_boolean_t
glusterd_are_all_volumes_stopped ();
int
glusterd_stop_bricks (glusterd_volinfo_t *volinfo);
int
gsync_status (char *master, char *slave, int *status);

int
glusterd_check_gsync_running (glusterd_volinfo_t *volinfo, gf_boolean_t *flag);

int
glusterd_defrag_volume_node_rsp (dict_t *req_dict, dict_t *rsp_dict,
                                 dict_t *op_ctx);
#endif