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To prevent receiving vote from old membership ring id is sent to server during init and replied back to client in every node list, ask for vote reply and vote info messages. Signed-off-by: Jan Friesse <jfriesse@redhat.com>
146 lines
7.1 KiB
C
146 lines
7.1 KiB
C
/*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Jan Friesse (jfriesse@redhat.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the Red Hat, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _QDEVICE_NET_ALGORITHM_H_
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#define _QDEVICE_NET_ALGORITHM_H_
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#include <sys/types.h>
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#include <inttypes.h>
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#include "node-list.h"
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#include "qdevice-net-instance.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int qdevice_net_algorithm_init(struct qdevice_net_instance *instance);
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extern int qdevice_net_algorithm_connected(struct qdevice_net_instance *instance,
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int *send_config_node_list, int *send_membership_node_list, int *send_quorum_node_list,
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enum tlv_vote *vote);
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extern int qdevice_net_algorithm_config_node_list_changed(struct qdevice_net_instance *instance,
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const struct node_list *nlist, int config_version_set, uint64_t config_version,
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int *send_node_list, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_votequorum_node_list_notify(struct qdevice_net_instance *instance,
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const struct tlv_ring_id *ring_id, uint32_t node_list_entries, uint32_t node_list[],
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int *send_node_list, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_votequorum_quorum_notify(struct qdevice_net_instance *instance,
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uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[], int *send_node_list,
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enum tlv_vote *vote);
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extern int qdevice_net_algorithm_votequorum_expected_votes_notify(struct qdevice_net_instance *instance,
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uint32_t expected_votes, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_config_node_list_reply_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, int initial, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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extern int qdevice_net_algorithm_membership_node_list_reply_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_quorum_node_list_reply_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_ask_for_vote_reply_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid, enum tlv_vote *vote);
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extern int qdevice_net_algorithm_vote_info_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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extern int qdevice_net_algorithm_echo_reply_received(struct qdevice_net_instance *instance,
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uint32_t seq_number, int is_expected_seq_number);
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extern int qdevice_net_algorithm_echo_reply_not_received(struct qdevice_net_instance *instance);
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extern int qdevice_net_algorithm_disconnected(struct qdevice_net_instance *instance,
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enum qdevice_net_disconnect_reason disconnect_reason, int *try_reconnect, enum tlv_vote *vote);
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extern void qdevice_net_algorithm_destroy(struct qdevice_net_instance *instance);
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struct qdevice_net_algorithm {
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int (*init)(struct qdevice_net_instance *instance);
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int (*connected)(struct qdevice_net_instance *instance,
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int *send_config_node_list, int *send_membership_node_list, int *send_quorum_node_list,
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enum tlv_vote *vote);
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int (*config_node_list_changed)(struct qdevice_net_instance *instance,
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const struct node_list *nlist, int config_version_set, uint64_t config_version,
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int *send_node_list, enum tlv_vote *vote);
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int (*votequorum_node_list_notify)(struct qdevice_net_instance *instance,
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const struct tlv_ring_id *ring_id, uint32_t node_list_entries, uint32_t node_list[],
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int *send_node_list, enum tlv_vote *vote);
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int (*votequorum_quorum_notify)(struct qdevice_net_instance *instance, uint32_t quorate,
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uint32_t node_list_entries, votequorum_node_t node_list[], int *send_node_list,
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enum tlv_vote *vote);
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int (*votequorum_expected_votes_notify)(struct qdevice_net_instance *instance,
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uint32_t expected_votes, enum tlv_vote *vote);
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int (*config_node_list_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, int initial, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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int (*membership_node_list_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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int (*quorum_node_list_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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int (*ask_for_vote_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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int (*vote_info_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, const struct tlv_ring_id *ring_id, int ring_id_is_valid,
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enum tlv_vote *vote);
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int (*echo_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, int is_expected_seq_number);
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int (*echo_reply_not_received)(struct qdevice_net_instance *instance);
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int (*disconnected)(struct qdevice_net_instance *instance,
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enum qdevice_net_disconnect_reason disconnect_reason, int *try_reconnect,
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enum tlv_vote *vote);
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void (*destroy)(struct qdevice_net_instance *instance);
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};
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extern int qdevice_net_algorithm_register(
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enum tlv_decision_algorithm_type algorithm_number, struct qdevice_net_algorithm *algorithm);
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extern int qdevice_net_algorithm_register_all(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _QDEVICE_NET_ALGORITHM_H_ */
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