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b1504098f4
Put the algorithms into an array of structure pointers (a bit like corosync services) so we can easily add more without having huge switch statements. I haven't added any code to the client end that parses the name into the enum. Yet. Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/*
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* Copyright (c) 2015 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 _QNETD_ALGORITHM_H_
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#define _QNETD_ALGORITHM_H_
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#include <sys/types.h>
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#include <inttypes.h>
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#include "tlv.h"
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#include "qnetd-client.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern enum tlv_reply_error_code qnetd_algorithm_client_init(struct qnetd_client *client);
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extern enum tlv_reply_error_code qnetd_algorithm_config_node_list_received(
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struct qnetd_client *client, uint32_t msg_seq_num, int config_version_set,
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uint64_t config_version, const struct node_list *nodes, int initial,
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enum tlv_vote *result_vote);
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extern enum tlv_reply_error_code qnetd_algorithm_membership_node_list_received(
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struct qnetd_client *client, uint32_t msg_seq_num, int config_version_set,
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uint64_t config_version, const struct tlv_ring_id *ring_id, enum tlv_quorate quorate,
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const struct node_list *nodes, enum tlv_vote *result_vote);
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extern void qnetd_algorithm_client_disconnect(
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struct qnetd_client *client, int server_going_down);
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extern enum tlv_reply_error_code qnetd_algorithm_ask_for_vote_received(
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struct qnetd_client *client, uint32_t msg_seq_num, enum tlv_vote *result_vote);
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extern enum tlv_reply_error_code qnetd_algorithm_vote_info_reply_received(
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struct qnetd_client *client, uint32_t msg_seq_num);
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struct qnetd_algorithm {
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enum tlv_reply_error_code (*init)(struct qnetd_client *client);
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void (*client_disconnect)(struct qnetd_client *client, int server_going_down);
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enum tlv_reply_error_code (*membership_node_list_received)(
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struct qnetd_client *client,
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uint32_t msg_seq_num, int config_version_set, uint64_t config_version,
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const struct tlv_ring_id *ring_id, enum tlv_quorate quorate,
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const struct node_list *nodes, enum tlv_vote *result_vote);
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enum tlv_reply_error_code (*config_node_list_received)(
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struct qnetd_client *client,
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uint32_t msg_seq_num, int config_version_set, uint64_t config_version,
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const struct node_list *nodes, int initial, enum tlv_vote *result_vote);
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enum tlv_reply_error_code (*ask_for_vote_received)(
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struct qnetd_client *client, uint32_t msg_seq_num, enum tlv_vote *result_vote);
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enum tlv_reply_error_code (*vote_info_reply_received)(struct qnetd_client *client, uint32_t msg_seq_num);
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};
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extern enum tlv_reply_error_code qnetd_algorithm_register(
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enum tlv_decision_algorithm_type algorithm_number, struct qnetd_algorithm *algorithm);
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#define MAX_QNETD_ALGORITHMS 10
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#ifdef __cplusplus
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}
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#endif
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#endif /* _QNETD_ALGORITHM_H_ */
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