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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>
122 lines
4.4 KiB
C
122 lines
4.4 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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#include <sys/types.h>
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#include <string.h>
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#include "qnetd-algo-ffsplit.h"
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#include "qnetd-log.h"
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enum tlv_reply_error_code
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qnetd_algo_ffsplit_client_init(struct qnetd_client *client)
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{
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return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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}
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enum tlv_reply_error_code
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qnetd_algo_ffsplit_config_node_list_received(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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{
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*result_vote = TLV_VOTE_ASK_LATER;
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return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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}
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/*
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* Called after client sent membership node list.
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* All client fields are already set. Nodes is actual node list.
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* msg_seq_num is 32-bit number set by client. If client sent config file version,
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* config_version_set is set to 1 and config_version contains valid config file version.
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* ring_id and quorate are copied from client votequorum callback.
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*
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* Function has to return result_vote. This can be one of ack/nack, ask_later (client
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* should ask later for a vote) or wait_for_reply (client should wait for reply).
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*
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* Return TLV_REPLY_ERROR_CODE_NO_ERROR on success, different TLV_REPLY_ERROR_CODE_*
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* on failure (error is send back to client)
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*/
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enum tlv_reply_error_code
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qnetd_algo_ffsplit_membership_node_list_received(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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{
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*result_vote = TLV_VOTE_ASK_LATER;
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return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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}
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void
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qnetd_algo_ffsplit_client_disconnect(struct qnetd_client *client, int server_going_down)
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{
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}
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enum tlv_reply_error_code
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qnetd_algo_ffsplit_ask_for_vote_received(struct qnetd_client *client, uint32_t msg_seq_num,
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enum tlv_vote *result_vote)
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{
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*result_vote = TLV_VOTE_ASK_LATER;
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return (TLV_REPLY_ERROR_CODE_UNSUPPORTED_DECISION_ALGORITHM_MESSAGE);
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}
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enum tlv_reply_error_code
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qnetd_algo_ffsplit_vote_info_reply_received(struct qnetd_client *client, uint32_t msg_seq_num)
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{
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return (TLV_REPLY_ERROR_CODE_UNSUPPORTED_DECISION_ALGORITHM_MESSAGE);
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}
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static struct qnetd_algorithm qnetd_algo_ffsplit = {
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.init = qnetd_algo_ffsplit_client_init,
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.config_node_list_received = qnetd_algo_ffsplit_config_node_list_received,
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.membership_node_list_received = qnetd_algo_ffsplit_membership_node_list_received,
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.client_disconnect = qnetd_algo_ffsplit_client_disconnect,
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.ask_for_vote_received = qnetd_algo_ffsplit_ask_for_vote_received,
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.vote_info_reply_received = qnetd_algo_ffsplit_vote_info_reply_received,
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};
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enum tlv_reply_error_code qnetd_algo_ffsplit_register()
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{
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return qnetd_algorithm_register(TLV_DECISION_ALGORITHM_TYPE_FFSPLIT, &qnetd_algo_ffsplit);
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}
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