1 /*
2  * Copyright (C) 2021 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.
3  *
4  * This file is part of MooseFS.
5  *
6  * MooseFS is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, version 2 (only).
9  *
10  * MooseFS is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with MooseFS; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
18  * or visit http://www.gnu.org/licenses/gpl-2.0.html
19  */
20 
21 #ifndef _CHUNKS_H_
22 #define _CHUNKS_H_
23 
24 #include <stdio.h>
25 #include <inttypes.h>
26 #include "bio.h"
27 
28 #define MAXCSCOUNT 10000
29 
30 #define CHUNK_OP_DELETE_TRY     0
31 #define CHUNK_OP_REPLICATE_TRY  1
32 #define CHUNK_OP_CREATE_TRY     2
33 #define CHUNK_OP_CHANGE_TRY     3
34 #define CHUNK_OP_DELETE_OK      4
35 #define CHUNK_OP_REPLICATE_OK   5
36 #define CHUNK_OP_CREATE_OK      6
37 #define CHUNK_OP_CHANGE_OK      7
38 #define CHUNK_OP_DELETE_ERR     8
39 #define CHUNK_OP_REPLICATE_ERR  9
40 #define CHUNK_OP_CREATE_ERR    10
41 #define CHUNK_OP_CHANGE_ERR    11
42 
43 typedef enum {
44 	CHUNK_FLOOP_NOTFOUND,
45 	CHUNK_FLOOP_DELETED,
46 	CHUNK_FLOOP_MISSING_NOCOPY,
47 	CHUNK_FLOOP_MISSING_INVALID,
48 	CHUNK_FLOOP_MISSING_WRONGVERSION,
49 	CHUNK_FLOOP_UNDERGOAL_AFLAG_NOT_CHANGED,
50 	CHUNK_FLOOP_UNDERGOAL_AFLAG_CHANGED,
51 	CHUNK_FLOOP_OK_AFLAG_NOT_CHANGED,
52 	CHUNK_FLOOP_OK_AFLAG_CHANGED
53 } chunkfloop;
54 
55 int chunk_mr_multi_modify(uint32_t ts,uint64_t *nchunkid,uint64_t ochunkid,uint8_t sclassid,uint8_t opflag);
56 int chunk_mr_multi_truncate(uint32_t ts,uint64_t *nchunkid,uint64_t ochunkid,uint8_t sclassid);
57 //int chunk_multi_reinitialize(uint32_t ts,uint64_t chunkid);
58 int chunk_mr_unlock(uint64_t chunkid);
59 int chunk_mr_increase_version(uint64_t chunkid);
60 int chunk_mr_set_version(uint64_t chunkid,uint32_t version);
61 
62 int chunk_mr_nextchunkid(uint64_t nchunkid);
63 int chunk_mr_chunkadd(uint32_t ts,uint64_t chunkid,uint32_t version,uint32_t lockedto);
64 int chunk_mr_chunkdel(uint32_t ts,uint64_t chunkid,uint32_t version);
65 
66 // void chunk_text_dump(FILE *fd);
67 
68 void chunk_stats(uint32_t chunkops[12]);
69 void chunk_store_info(uint8_t *buff);
70 uint32_t chunk_get_missing_count(void);
71 void chunk_store_chunkcounters(uint8_t *buff,uint8_t matrixid);
72 uint32_t chunk_count(void);
73 void chunk_sclass_counters(uint8_t sclassid,uint8_t archflag,uint8_t goal,uint64_t *undergoal,uint64_t *exactgoal,uint64_t *overgoal);
74 void chunk_info(uint32_t *allchunks,uint32_t *allcopies,uint32_t *regcopies);
75 uint8_t chunk_counters_in_progress(void);
76 
77 int chunk_get_validcopies(uint64_t chunkid,uint8_t *vcopies);
78 
79 int chunk_get_archflag(uint64_t chunkid,uint8_t *archflag);
80 int chunk_univ_archflag(uint64_t chunkid,uint8_t archflag,uint32_t *archflagchanged);
81 chunkfloop chunk_fileloop_task(uint64_t chunkid,uint8_t sclassid,uint8_t aftereof,uint8_t archflag);
82 
83 int chunk_read_check(uint32_t ts,uint64_t chunkid);
84 int chunk_multi_modify(uint8_t continueop,uint64_t *nchunkid,uint64_t ochunkid,uint8_t sclassid,uint8_t *opflag,uint32_t clientip);
85 int chunk_multi_truncate(uint64_t *nchunkid,uint64_t ochunkid,uint32_t length,uint8_t sclassid);
86 //int chunk_multi_reinitialize(uint64_t chunkid);
87 int chunk_repair(uint8_t sclassid,uint64_t ochunkid,uint32_t *nversion);
88 
89 int chunk_locked_or_busy(void *cptr);
90 
91 /* ---- */
92 
93 uint8_t chunk_get_version_and_csdata(uint8_t mode,uint64_t chunkid,uint32_t cuip,uint32_t *version,uint8_t *count,uint8_t cs_data[100*14]);
94 uint8_t chunk_get_version_and_copies(uint64_t chunkid,uint32_t *version,uint8_t *count,uint8_t cs_data[100*7]);
95 uint8_t chunk_get_copies(uint64_t chunkid,uint8_t *count);
96 uint8_t chunk_get_version(uint64_t chunkid,uint32_t *version);
97 
98 /* ---- */
99 uint8_t chunk_get_mfrstatus(uint16_t csid);
100 
101 uint16_t chunk_server_connected(void *ptr);
102 
103 void chunk_server_has_chunk(uint16_t csid,uint64_t chunkid,uint32_t version);
104 void chunk_damaged(uint16_t csid,uint64_t chunkid);
105 void chunk_lost(uint16_t csid,uint64_t chunkid);
106 void chunk_server_register_end(uint16_t csid);
107 void chunk_server_disconnected(uint16_t csid);
108 
109 void chunk_got_delete_status(uint16_t csid,uint64_t chunkid,uint8_t status);
110 void chunk_got_replicate_status(uint16_t csid,uint64_t chunkid,uint32_t version,uint8_t status);
111 
112 void chunk_got_chunkop_status(uint16_t csid,uint64_t chunkid,uint8_t status);
113 
114 void chunk_got_create_status(uint16_t csid,uint64_t chunkid,uint8_t status);
115 void chunk_got_duplicate_status(uint16_t csid,uint64_t chunkid,uint8_t status);
116 void chunk_got_setversion_status(uint16_t csid,uint64_t chunkid,uint8_t status);
117 void chunk_got_truncate_status(uint16_t csid,uint64_t chunkid,uint8_t status);
118 void chunk_got_duptrunc_status(uint16_t csid,uint64_t chunkid,uint8_t status);
119 
120 /* ---- */
121 uint8_t chunk_labelset_can_be_fulfilled(uint8_t labelcnt,uint32_t **labelmasks);
122 
123 uint8_t chunk_no_more_pending_jobs(void);
124 
125 int chunk_change_file(uint64_t chunkid,uint8_t prevsclassid,uint8_t newsclassid);
126 int chunk_delete_file(uint64_t chunkid,uint8_t sclassid);
127 int chunk_add_file(uint64_t chunkid,uint8_t sclassid);
128 int chunk_unlock(uint64_t chunkid);
129 
130 void chunk_get_memusage(uint64_t allocated[3],uint64_t used[3]);
131 
132 int chunk_load(bio *fd,uint8_t mver);
133 uint8_t chunk_store(bio *fd);
134 void chunk_cleanup(void);
135 void chunk_newfs(void);
136 int chunk_strinit(void);
137 
138 #endif
139