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samba-mirror/ctdb/server/ipalloc_private.h

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ctdb-ipalloc: Split IP allocation into its own build subsystem Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-11-23 08:18:16 +03:00
/*
CTDB IP takeover code
Copyright (C) Ronnie Sahlberg 2007
Copyright (C) Andrew Tridgell 2007
Copyright (C) Martin Schwenke 2015
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CTDB_IPALLOC_PRIVATE_H__
#define __CTDB_IPALLOC_PRIVATE_H__
#include "protocol/protocol.h"
#include "server/ipalloc.h"
ctdb-ipalloc: IP allocation state is now an opaque structure It is private to the IP allocation module. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-06-22 07:23:38 +03:00
struct ipalloc_state {
uint32_t num;
/* Arrays with data for each node */
struct ctdb_public_ip_list *available_public_ips;
ctdb-ipalloc: Store known public IPs in IP allocation state This was dropped because it wasn't used, but it will be needed again. BUG: https://bugzilla.samba.org/show_bug.cgi?id=12254 Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-09-12 08:41:06 +03:00
struct ctdb_public_ip_list *known_public_ips;
ctdb-ipalloc: IP allocation state is now an opaque structure It is private to the IP allocation module. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-06-22 07:23:38 +03:00
struct public_ip_list *all_ips;
enum ipalloc_algorithm algorithm;
bool no_ip_failback;
ctdb-takeover: NoIPTakeover is global across cluster Instead of gathering the value from all nodes, just use the value on the recovery master and have it affect all nodes. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-12-10 11:39:11 +03:00
bool no_ip_takeover;
ctdb-ipalloc: IP allocation state is now an opaque structure It is private to the IP allocation module. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-06-22 07:23:38 +03:00
uint32_t *force_rebalance_nodes;
};
ctdb-ipalloc: Split IP allocation into its own build subsystem Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-11-23 08:18:16 +03:00
bool can_node_takeover_ip(struct ipalloc_state *ipalloc_state,
int32_t pnn,
struct public_ip_list *ip);
ctdb-ipalloc: Fix signed/unsigned comparisons by declaring as unsigned Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2019-05-30 08:37:38 +03:00
int node_ip_coverage(uint32_t pnn, struct public_ip_list *ips);
ctdb-ipalloc: Split IP allocation into its own build subsystem Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-11-23 08:18:16 +03:00
int find_takeover_node(struct ipalloc_state *ipalloc_state,
struct public_ip_list *ip);
void unassign_unsuitable_ips(struct ipalloc_state *ipalloc_state);
void basic_allocate_unassigned(struct ipalloc_state *ipalloc_state);
bool ipalloc_nondeterministic(struct ipalloc_state *ipalloc_state);
bool ipalloc_deterministic(struct ipalloc_state *ipalloc_state);
bool ipalloc_lcp2(struct ipalloc_state *ipalloc_state);
#endif /* __CTDB_IPALLOC_PRIVATE_H__ */
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