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6f6c80f582
To prevent receiving vote from old membership ring id is sent to server during init and replied back to client in every node list, ask for vote reply and vote info messages. Signed-off-by: Jan Friesse <jfriesse@redhat.com>
131 lines
4.8 KiB
C
131 lines
4.8 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 "pr-poll-array.h"
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#include "qdevice-net-disconnect-reason.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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#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_SENDING_PREINIT_REPLY,
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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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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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int tls_client_cert_sent;
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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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PRFileDesc *ipc_socket_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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int force_ip_version;
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struct pr_poll_array poll_array;
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time_t last_echo_reply_received_time;
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time_t connected_since_time;
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const struct qdevice_advanced_settings *advanced_settings;
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};
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extern int qdevice_net_instance_init(struct qdevice_net_instance *instance,
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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, int force_ip_version,
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int cmap_fd, int votequorum_fd, int local_socket_fd,
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const struct qdevice_advanced_settings *advanced_settings);
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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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