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This allows the client code to optionally clean up and/or re-connect to CTDB daemon when it the daemon goes away. If no disconnect callback is registered and CTDB daemon goes away, then the client will terminate. Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Martin Schwenke <martin@meltin.net>
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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CTDB client code
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Copyright (C) Amitay Isaacs 2015
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CTDB_CLIENT_PRIVATE_H__
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#define __CTDB_CLIENT_PRIVATE_H__
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#include "protocol/protocol.h"
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#include "client/client.h"
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struct ctdb_db_context {
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struct ctdb_db_context *prev, *next;
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uint32_t db_id;
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const char *db_name;
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const char *db_path;
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struct tdb_wrap *ltdb;
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bool persistent;
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};
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struct ctdb_client_context {
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struct reqid_context *idr;
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struct srvid_context *srv;
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struct comm_context *comm;
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ctdb_client_callback_func_t callback;
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void *private_data;
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int fd;
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uint32_t pnn;
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struct ctdb_db_context *db;
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};
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struct ctdb_record_handle {
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struct tevent_context *ev;
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struct ctdb_client_context *client;
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struct ctdb_db_context *db;
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struct ctdb_ltdb_header header;
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TDB_DATA key;
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TDB_DATA data; /* This is returned from tdb_fetch() */
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bool readonly;
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};
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struct ctdb_transaction_handle {
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struct tevent_context *ev;
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struct ctdb_client_context *client;
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struct ctdb_db_context *db, *db_g_lock;
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struct ctdb_rec_buffer *recbuf;
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struct ctdb_server_id sid;
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const char *lock_name;
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bool readonly;
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bool updated;
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};
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/* From client_call.c */
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void ctdb_client_reply_call(struct ctdb_client_context *client,
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uint8_t *buf, size_t buflen, uint32_t reqid);
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/* From client_message.c */
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void ctdb_client_req_message(struct ctdb_client_context *client,
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uint8_t *buf, size_t buflen, uint32_t reqid);
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/* From client_control.c */
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void ctdb_client_reply_control(struct ctdb_client_context *client,
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uint8_t *buf, size_t buflen, uint32_t reqid);
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#endif /* __CTDB_CLIENT_PRIVATE_H__ */
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