| 1 | /*
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| 2 | CTDB IP takeover code
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| 3 |
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| 4 | Copyright (C) Ronnie Sahlberg 2007
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| 5 | Copyright (C) Andrew Tridgell 2007
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| 6 | Copyright (C) Martin Schwenke 2015
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program; if not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #ifndef __CTDB_IPALLOC_H__
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| 23 | #define __CTDB_IPALLOC_H__
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| 24 |
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| 25 | #include "replace.h"
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| 26 | #include "system/network.h"
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| 27 |
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| 28 | #include "include/ctdb_protocol.h"
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| 29 |
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| 30 | struct public_ip_list {
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| 31 | struct public_ip_list *next;
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| 32 | uint32_t pnn;
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| 33 | ctdb_sock_addr addr;
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| 34 | };
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| 35 |
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| 36 | #define IP_KEYLEN 4
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| 37 | uint32_t *ip_key(ctdb_sock_addr *ip);
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| 38 |
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| 39 | /* Flags used in IP allocation algorithms. */
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| 40 | enum ipalloc_algorithm {
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| 41 | IPALLOC_DETERMINISTIC,
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| 42 | IPALLOC_NONDETERMINISTIC,
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| 43 | IPALLOC_LCP2,
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| 44 | };
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| 45 |
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| 46 | struct ipalloc_state {
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| 47 | uint32_t num;
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| 48 |
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| 49 | /* Arrays with data for each node */
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| 50 | struct ctdb_public_ip_list_old **known_public_ips;
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| 51 | struct ctdb_public_ip_list_old **available_public_ips;
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| 52 | bool *noiptakeover;
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| 53 | bool *noiphost;
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| 54 |
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| 55 | struct public_ip_list *all_ips;
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| 56 | enum ipalloc_algorithm algorithm;
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| 57 | uint32_t no_ip_failback;
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| 58 | uint32_t *force_rebalance_nodes;
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| 59 | };
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| 60 |
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| 61 | bool ipalloc(struct ipalloc_state *ipalloc_state);
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| 62 |
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| 63 | #endif /* __CTDB_IPALLOC_H__ */
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