4 Copyright (C) Amitay Isaacs 2015
6 This program 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; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef __CTDB_COMMON_H__
21 #define __CTDB_COMMON_H__
23 /* From common/ctdb_fork.c */
25 void ctdb_set_child_info(TALLOC_CTX *mem_ctx, const char *child_name_fmt, ...);
27 void ctdb_track_child(struct ctdb_context *ctdb, pid_t pid);
29 pid_t ctdb_fork(struct ctdb_context *ctdb);
31 struct tevent_signal *ctdb_init_sigchld(struct ctdb_context *ctdb);
33 int ctdb_kill(struct ctdb_context *ctdb, pid_t pid, int signum);
35 /* From common/ctdb_io.c */
37 int ctdb_queue_length(struct ctdb_queue *queue);
39 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
41 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
43 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
44 TALLOC_CTX *mem_ctx, int fd, int alignment,
45 ctdb_queue_cb_fn_t callback,
46 void *private_data, const char *fmt, ...)
47 PRINTF_ATTRIBUTE(7,8);
49 /* From common/ctdb_ltdb.c */
51 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb,
54 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
56 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
57 TDB_DATA key, struct ctdb_ltdb_header *header,
58 TALLOC_CTX *mem_ctx, TDB_DATA *data);
60 int ctdb_ltdb_fetch_with_header(struct ctdb_db_context *ctdb_db,
61 TDB_DATA key, struct ctdb_ltdb_header *header,
62 TALLOC_CTX *mem_ctx, TDB_DATA *data);
64 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
65 struct ctdb_ltdb_header *header, TDB_DATA data);
67 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
69 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
71 int ctdb_ltdb_delete(struct ctdb_db_context *ctdb_db, TDB_DATA key);
73 int ctdb_trackingdb_add_pnn(struct ctdb_context *ctdb, TDB_DATA *data, uint32_t pnn);
75 typedef void (*ctdb_trackingdb_cb)(struct ctdb_context *ctdb, uint32_t pnn,
78 void ctdb_trackingdb_traverse(struct ctdb_context *ctdb, TDB_DATA data,
79 ctdb_trackingdb_cb cb, void *private_data);
81 int ctdb_null_func(struct ctdb_call_info *call);
83 int ctdb_fetch_func(struct ctdb_call_info *call);
85 int ctdb_fetch_with_header_func(struct ctdb_call_info *call);
87 /* from common/ctdb_util.c */
89 const char *ctdb_errstr(struct ctdb_context *ctdb);
91 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...);
93 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
95 void ctdb_die(struct ctdb_context *ctdb, const char *msg);
97 bool ctdb_set_helper(const char *type, char *helper, size_t size,
99 const char *dir, const char *file);
101 void ctdb_external_trace(void);
103 int ctdb_parse_address(TALLOC_CTX *mem_ctx, const char *str,
104 ctdb_sock_addr *address);
106 bool ctdb_same_address(ctdb_sock_addr *a1, ctdb_sock_addr *a2);
108 uint32_t ctdb_hash(const TDB_DATA *key);
110 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
112 struct ctdb_ltdb_header *header,
115 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
116 struct ctdb_marshall_buffer *m,
120 struct ctdb_ltdb_header *header,
123 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
125 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m,
126 struct ctdb_rec_data *r,
128 struct ctdb_ltdb_header *header,
129 TDB_DATA *key, TDB_DATA *data);
131 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
133 bool ctdb_same_ip(const ctdb_sock_addr *tip1, const ctdb_sock_addr *tip2);
135 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
137 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
139 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
141 struct ctdb_node_map_old *ctdb_read_nodes_file(TALLOC_CTX *mem_ctx,
144 struct ctdb_node_map_old *ctdb_node_list_to_map(struct ctdb_node **nodes,
146 TALLOC_CTX *mem_ctx);
148 const char *runstate_to_string(enum ctdb_runstate runstate);
150 enum ctdb_runstate runstate_from_string(const char *label);
152 void ctdb_set_runstate(struct ctdb_context *ctdb, enum ctdb_runstate runstate);
154 uint32_t *ctdb_key_to_idkey(TALLOC_CTX *mem_ctx, TDB_DATA key);
156 #endif /* __CTDB_COMMON_H__ */