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7c4848a4b3
This is no longer needed because inactive/disabled nodes no longer report any available public IP addresses. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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CTDB IP takeover code
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Copyright (C) Ronnie Sahlberg 2007
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Copyright (C) Andrew Tridgell 2007
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Copyright (C) Martin Schwenke 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_IPALLOC_H__
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#define __CTDB_IPALLOC_H__
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#include <talloc.h>
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#include "replace.h"
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#include "system/network.h"
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#include "lib/util/bitmap.h"
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struct public_ip_list {
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struct public_ip_list *next;
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uint32_t pnn;
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ctdb_sock_addr addr;
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struct bitmap *known_on;
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struct bitmap *available_on;
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};
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#define IP_KEYLEN 4
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uint32_t *ip_key(ctdb_sock_addr *ip);
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/* Flags used in IP allocation algorithms. */
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enum ipalloc_algorithm {
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IPALLOC_DETERMINISTIC,
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IPALLOC_NONDETERMINISTIC,
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IPALLOC_LCP2,
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};
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struct ipalloc_state;
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struct ipalloc_state * ipalloc_state_init(TALLOC_CTX *mem_ctx,
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uint32_t num_nodes,
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enum ipalloc_algorithm algorithm,
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bool no_ip_takeover,
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bool no_ip_failback,
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uint32_t *force_rebalance_nodes);
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void ipalloc_set_public_ips(struct ipalloc_state *ipalloc_state,
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struct ctdb_public_ip_list *known_ips,
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struct ctdb_public_ip_list *available_ips);
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bool ipalloc_can_host_ips(struct ipalloc_state *ipalloc_state);
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struct public_ip_list *ipalloc(struct ipalloc_state *ipalloc_state);
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#endif /* __CTDB_IPALLOC_H__ */
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