qdevices/qdevice-net-algo-2nodelms.h

   1 /*
   2  * Copyright (c) 2015-2017 Red Hat, Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Author: Jan Friesse (jfriesse@redhat.com)
   7  *
   8  * This software licensed under BSD license, the text of which follows:
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  *
  13  * - Redistributions of source code must retain the above copyright notice,
  14  *   this list of conditions and the following disclaimer.
  15  * - Redistributions in binary form must reproduce the above copyright notice,
  16  *   this list of conditions and the following disclaimer in the documentation
  17  *   and/or other materials provided with the distribution.
  18  * - Neither the name of the Red Hat, Inc. nor the names of its
  19  *   contributors may be used to endorse or promote products derived from this
  20  *   software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32  * THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 #ifndef _QDEVICE_NET_ALGO_2NODELMS_H_
  36 #define _QDEVICE_NET_ALGO_2NODELMS_H_
  37
  38 #include "qdevice-net-algorithm.h"
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 extern int      qdevice_net_algo_2nodelms_init(struct qdevice_net_instance *instance);
  45
  46 extern int      qdevice_net_algo_2nodelms_connected(struct qdevice_net_instance *instance,
  47     enum tlv_heuristics *heuristics, int *send_config_node_list, int *send_membership_node_list,
  48     int *send_quorum_node_list, enum tlv_vote *vote);
  49
  50 extern int      qdevice_net_algo_2nodelms_config_node_list_changed(
  51     struct qdevice_net_instance *instance, const struct node_list *nlist,
  52     int config_version_set, uint64_t config_version, int *send_node_list, enum tlv_vote *vote);
  53
  54 extern int      qdevice_net_algo_2nodelms_votequorum_node_list_notify(
  55     struct qdevice_net_instance *instance, const struct tlv_ring_id *ring_id,
  56     uint32_t node_list_entries, uint32_t node_list[], int *pause_cast_vote_timer,
  57     enum tlv_vote *vote);
  58
  59 extern int      qdevice_net_algo_2nodelms_votequorum_node_list_heuristics_notify(
  60     struct qdevice_net_instance *instance, const struct tlv_ring_id *ring_id,
  61     uint32_t node_list_entries, uint32_t node_list[], int *send_node_list, enum tlv_vote *vote,
  62     enum tlv_heuristics *heuristics);
  63
  64 extern int      qdevice_net_algo_2nodelms_votequorum_quorum_notify(
  65     struct qdevice_net_instance *instance, uint32_t quorate, uint32_t node_list_entries,
  66     votequorum_node_t node_list[], int *send_node_list, enum tlv_vote *vote);
  67
  68 extern int      qdevice_net_algo_2nodelms_votequorum_expected_votes_notify(
  69     struct qdevice_net_instance *instance, uint32_t expected_votes, enum tlv_vote *vote);
  70
  71 extern int      qdevice_net_algo_2nodelms_config_node_list_reply_received(
  72     struct qdevice_net_instance *instance, uint32_t seq_number, int initial,
  73     const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
  74
  75 extern int      qdevice_net_algo_2nodelms_membership_node_list_reply_received(
  76     struct qdevice_net_instance *instance, uint32_t seq_number, const struct tlv_ring_id *ring_id,
  77     int ring_id_is_valid, enum tlv_vote *vote);
  78
  79 extern int      qdevice_net_algo_2nodelms_quorum_node_list_reply_received(
  80     struct qdevice_net_instance *instance, uint32_t seq_number,
  81     const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
  82
  83 extern int      qdevice_net_algo_2nodelms_ask_for_vote_reply_received(
  84     struct qdevice_net_instance *instance, uint32_t seq_number,
  85     const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
  86
  87 extern int      qdevice_net_algo_2nodelms_vote_info_received(struct qdevice_net_instance *instance,
  88     uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
  89     enum tlv_vote *vote);
  90
  91 extern int      qdevice_net_algo_2nodelms_echo_reply_received(
  92     struct qdevice_net_instance *instance, uint32_t seq_number, int is_expected_seq_number);
  93
  94 extern int      qdevice_net_algo_2nodelms_echo_reply_not_received(
  95     struct qdevice_net_instance *instance);
  96
  97 extern int      qdevice_net_algo_2nodelms_heuristics_change(struct qdevice_net_instance *instance,
  98     enum tlv_heuristics *heuristics, int *send_msg, enum tlv_vote *vote);
  99
 100 extern int      qdevice_net_algo_2nodelms_heuristics_change_reply_received(struct qdevice_net_instance *instance,
 101     uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_heuristics heuristics,
 102     enum tlv_vote *vote);
 103
 104 extern int      qdevice_net_algo_2nodelms_disconnected(struct qdevice_net_instance *instance,
 105     enum qdevice_net_disconnect_reason disconnect_reason, int *try_reconnect, enum tlv_vote *vote);
 106
 107 extern void     qdevice_net_algo_2nodelms_destroy(struct qdevice_net_instance *instance);
 108
 109 extern int      qdevice_net_algo_2nodelms_register(void);
 110
 111 #ifdef __cplusplus
 112 }
 113 #endif
 114
 115 #endif /* _QDEVICE_NET_ALGO_2NODELMS_H_ */