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0c9df248f8
Previously client was not force to use heartbeat. Because we have to be able to detect dead client in qnetd, heartbeat setting is now forced. Insted of set_option message, heartbeat is force to exists in init message. This also means that QDEVICE_NET_INSTANCE_STATE_WAITING_SET_OPTION_REPLY can be removed and client is considered as connected after init_reply is received. So currently, set_option is not used (but implementation of these two messages still exists). Signed-off-by: Jan Friesse <jfriesse@redhat.com>
127 lines
4.6 KiB
C
127 lines
4.6 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_INSTANCE_H_
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#define _QDEVICE_NET_INSTANCE_H_
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "nss-sock.h"
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#include "qdevice-instance.h"
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#include "dynar.h"
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#include "node-list.h"
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#include "send-buffer-list.h"
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#include "tlv.h"
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#include "timer-list.h"
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#include "qdevice-net-disconnect-reason.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum qdevice_net_instance_state {
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QDEVICE_NET_INSTANCE_STATE_WAITING_CONNECT,
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QDEVICE_NET_INSTANCE_STATE_WAITING_PREINIT_REPLY,
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QDEVICE_NET_INSTANCE_STATE_WAITING_STARTTLS_BEING_SENT,
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QDEVICE_NET_INSTANCE_STATE_WAITING_INIT_REPLY,
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QDEVICE_NET_INSTANCE_STATE_WAITING_VOTEQUORUM_CMAP_EVENTS,
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};
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struct qdevice_net_instance {
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PRFileDesc *socket;
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size_t initial_send_size;
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size_t initial_receive_size;
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size_t max_receive_size;
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size_t min_send_size;
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struct dynar receive_buffer;
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struct send_buffer_list send_buffer_list;
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int skipping_msg;
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size_t msg_already_received_bytes;
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enum qdevice_net_instance_state state;
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uint32_t last_msg_seq_num;
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uint32_t echo_request_expected_msg_seq_num;
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uint32_t echo_reply_received_msg_seq_num;
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enum tlv_tls_supported tls_supported;
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int using_tls;
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uint32_t heartbeat_interval; /* Adjusted heartbeat interval during normal operation */
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uint32_t sync_heartbeat_interval; /* Adjusted heartbeat interval during corosync sync */
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uint32_t cast_vote_timer_interval; /* Timer for cast vote */
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uint32_t connect_timeout;
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struct timer_list_entry *cast_vote_timer;
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enum tlv_vote cast_vote_timer_vote;
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const char *host_addr;
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uint16_t host_port;
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const char *cluster_name;
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enum tlv_decision_algorithm_type decision_algorithm;
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struct timer_list main_timer_list;
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struct timer_list_entry *echo_request_timer;
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int schedule_disconnect;
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PRFileDesc *votequorum_poll_fd;
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PRFileDesc *cmap_poll_fd;
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struct tlv_ring_id last_sent_ring_id;
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struct tlv_tie_breaker tie_breaker;
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void *algorithm_data;
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enum qdevice_net_disconnect_reason disconnect_reason;
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struct qdevice_instance *qdevice_instance_ptr;
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struct nss_sock_non_blocking_client non_blocking_client;
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struct timer_list_entry *connect_timer;
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};
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extern int qdevice_net_instance_init(struct qdevice_net_instance *instance,
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size_t initial_receive_size, size_t initial_send_size, size_t min_send_size,
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size_t max_send_buffers, size_t max_receive_size,
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enum tlv_tls_supported tls_supported,
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enum tlv_decision_algorithm_type decision_algorithm, uint32_t heartbeat_interval,
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uint32_t sync_heartbeat_interval, uint32_t cast_vote_timer_interval,
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const char *host_addr, uint16_t host_port, const char *cluster_name,
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const struct tlv_tie_breaker *tie_breaker, uint32_t connect_timeout,
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int cmap_fd, int votequorum_fd);
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extern void qdevice_net_instance_clean(struct qdevice_net_instance *instance);
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extern int qdevice_net_instance_destroy(struct qdevice_net_instance *instance);
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extern int qdevice_net_instance_init_from_cmap(struct qdevice_instance *instance);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _QDEVICE_NET_INSTANCE_H_ */
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