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6c1add2925
- Add support for cmap node list configuration change - Add client side algorithms - Check if currently received ring id in membership message equals to last sent ring id - Send config node list only if config node list really changes and not after every reload - Add tlv_ring_id_eq (replacing qnetd_algo_rings_eq) so it's usable in client - Move debug logs from algo-test into qnetd-log-debug.c and call them in proper places (= logs are now algorithm independent) - Fix memory leak in msg Signed-off-by: Jan Friesse <jfriesse@redhat.com>
119 lines
5.5 KiB
C
119 lines
5.5 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 "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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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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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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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, 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, 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, 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, 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, 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);
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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 (*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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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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int (*config_node_list_reply_received)(struct qdevice_net_instance *instance,
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uint32_t seq_number, int initial, 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, 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, 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, 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, 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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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 void 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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