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			130 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.7 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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| 
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| #include <sys/types.h>
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| 
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| #include <string.h>
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| 
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| #include "qnetd-algo-ffsplit.h"
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| #include "qnetd-log.h"
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| 
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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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| 
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| 	return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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| }
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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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| 
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| 	*result_vote = TLV_VOTE_ASK_LATER;
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| 
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| 	return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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| }
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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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| 
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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, const struct tlv_ring_id *ring_id,
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|     const struct node_list *nodes, enum tlv_vote *result_vote)
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| {
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| 
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| 	*result_vote = TLV_VOTE_ASK_LATER;
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| 
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| 	return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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| }
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| 
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| enum tlv_reply_error_code
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| qnetd_algo_ffsplit_quorum_node_list_received(struct qnetd_client *client,
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|     uint32_t msg_seq_num, enum tlv_quorate quorate, const struct node_list *nodes)
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| {
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| 
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| 	return (TLV_REPLY_ERROR_CODE_NO_ERROR);
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| }
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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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| }
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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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| 
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| 	*result_vote = TLV_VOTE_ASK_LATER;
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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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| 
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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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| 
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| 	return (TLV_REPLY_ERROR_CODE_UNSUPPORTED_DECISION_ALGORITHM_MESSAGE);
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| }
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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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| 	.quorum_node_list_received     = qnetd_algo_ffsplit_quorum_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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| 
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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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