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04ac73018e
Algo timer is simplified timer designed for qnetd algorithm. Instead of full timer only one can exists per client. Workflow is: - In one of algorithm callbacks qnetd_client_algo_timer_schedule is called - On timeout .timer_callback is called (for example qnetd_algo_test_timer_callback). It's possible to set send_vote and result_vote to send vote info to client - It's possible to discard timer by calling qnetd_client_algo_timer_abort Timer is automatically deleted on client disconnect. To make all this possible, qnetd main loop now has support for timer-list (main_timer_list). To be able to handle error and disconnect client from timer callback, client has schedule_disconnect. If this is set to 1, client is disconnected on current call of poll loop. Signed-off-by: Jan Friesse <jfriesse@redhat.com>
81 lines
3.2 KiB
C
81 lines
3.2 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 _QNETD_ALGO_LMS_H_
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#define _QNETD_ALGO_LMS_H_
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#include "qnetd-algorithm.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_algo_lms_client_init(struct qnetd_client *client);
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extern enum tlv_reply_error_code qnetd_algo_lms_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_algo_lms_membership_node_list_received(
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struct qnetd_client *client, uint32_t msg_seq_num,
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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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extern enum tlv_reply_error_code qnetd_algo_lms_quorum_node_list_received(
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struct qnetd_client *client, uint32_t msg_seq_num,
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enum tlv_quorate quorate, const struct node_list *nodes, enum tlv_vote *result_vote);
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extern void qnetd_algo_lms_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_algo_lms_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_algo_lms_vote_info_reply_received(
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struct qnetd_client *client, uint32_t msg_seq_num);
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extern enum tlv_reply_error_code qnetd_algo_lms_timer_callback(
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struct qnetd_client *client, int *reschedule_timer,
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int *send_vote, enum tlv_vote *result_vote);
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extern enum tlv_reply_error_code qnetd_algo_lms_register(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _QNETD_ALGO_LMS_H_ */
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