2 Unix SMB/CIFS implementation.
3 Samba3 ctdb connection handling
4 Copyright (C) Volker Lendecke 2007
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/>.
24 #include "system/filesys.h"
25 #include "system/network.h"
26 #include "lib/dbwrap/dbwrap.h"
30 struct ctdbd_connection
;
31 struct messaging_context
;
34 int ctdbd_init_connection(TALLOC_CTX
*mem_ctx
,
35 const char *sockname
, int timeout
,
36 struct ctdbd_connection
**pconn
);
37 int ctdbd_init_async_connection(
41 struct ctdbd_connection
**pconn
);
42 int ctdbd_reinit_connection(TALLOC_CTX
*mem_ctx
,
43 const char *sockname
, int timeout
,
44 struct ctdbd_connection
*conn
);
46 uint32_t ctdbd_vnn(const struct ctdbd_connection
*conn
);
48 int ctdbd_conn_get_fd(struct ctdbd_connection
*conn
);
49 void ctdbd_socket_readable(struct tevent_context
*ev
,
50 struct ctdbd_connection
*conn
);
52 int ctdbd_messaging_send_iov(struct ctdbd_connection
*conn
,
53 uint32_t dst_vnn
, uint64_t dst_srvid
,
54 const struct iovec
*iov
, int iovlen
);
56 bool ctdbd_process_exists(struct ctdbd_connection
*conn
, uint32_t vnn
,
57 pid_t pid
, uint64_t unique_id
);
59 char *ctdbd_dbpath(struct ctdbd_connection
*conn
,
60 TALLOC_CTX
*mem_ctx
, uint32_t db_id
);
62 int ctdbd_db_attach(struct ctdbd_connection
*conn
, const char *name
,
63 uint32_t *db_id
, bool persistent
);
65 int ctdbd_migrate(struct ctdbd_connection
*conn
, uint32_t db_id
, TDB_DATA key
);
67 int ctdbd_parse(struct ctdbd_connection
*conn
, uint32_t db_id
,
68 TDB_DATA key
, bool local_copy
,
69 void (*parser
)(TDB_DATA key
, TDB_DATA data
,
73 int ctdbd_traverse(struct ctdbd_connection
*master
, uint32_t db_id
,
74 void (*fn
)(TDB_DATA key
, TDB_DATA data
,
78 int ctdbd_register_ips(struct ctdbd_connection
*conn
,
79 const struct sockaddr_storage
*server
,
80 const struct sockaddr_storage
*client
,
81 int (*cb
)(struct tevent_context
*ev
,
82 uint32_t src_vnn
, uint32_t dst_vnn
,
84 const uint8_t *msg
, size_t msglen
,
89 * call @cb for each public IP. If @cb returns non-zero, then break the loop
90 * and propagate the return value upwards.
91 * @returns: 0 on success, where all @cb invocations also returned zero
92 * ENOMEM on memory allocation failure
93 * EIO on ctdbd connection failure
94 * @cb() return value if non-zero
96 int ctdbd_public_ip_foreach(struct ctdbd_connection
*conn
,
97 int (*cb
)(uint32_t total_ip_count
,
98 const struct sockaddr_storage
*ip
,
103 int ctdbd_control_local(struct ctdbd_connection
*conn
, uint32_t opcode
,
104 uint64_t srvid
, uint32_t flags
, TDB_DATA data
,
105 TALLOC_CTX
*mem_ctx
, TDB_DATA
*outdata
,
107 int ctdb_watch_us(struct ctdbd_connection
*conn
);
108 int ctdb_unwatch(struct ctdbd_connection
*conn
);
110 struct ctdb_req_message_old
;
112 int register_with_ctdbd(struct ctdbd_connection
*conn
, uint64_t srvid
,
113 int (*cb
)(struct tevent_context
*ev
,
114 uint32_t src_vnn
, uint32_t dst_vnn
,
116 const uint8_t *msg
, size_t msglen
,
119 int ctdbd_probe(const char *sockname
, int timeout
);
121 struct ctdb_req_header
;
122 void ctdbd_prep_hdr_next_reqid(
123 struct ctdbd_connection
*conn
, struct ctdb_req_header
*hdr
);
126 * Async ctdb_request. iov[0] must start with an initialized
127 * struct ctdb_req_header
129 struct tevent_req
*ctdbd_req_send(
131 struct tevent_context
*ev
,
132 struct ctdbd_connection
*conn
,
136 struct tevent_req
*req
,
138 struct ctdb_req_header
**reply
);
140 struct tevent_req
*ctdbd_parse_send(TALLOC_CTX
*mem_ctx
,
141 struct tevent_context
*ev
,
142 struct ctdbd_connection
*conn
,
146 void (*parser
)(TDB_DATA key
,
150 enum dbwrap_req_state
*req_state
);
151 int ctdbd_parse_recv(struct tevent_req
*req
);
153 #endif /* _CTDBD_CONN_H */