qdevice-net-algo-ffsplit.c 5.0 KB

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  1. /*
  2. * Copyright (c) 2015-2016 Red Hat, Inc.
  3. *
  4. * All rights reserved.
  5. *
  6. * Author: Jan Friesse (jfriesse@redhat.com)
  7. *
  8. * This software licensed under BSD license, the text of which follows:
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions are met:
  12. *
  13. * - Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * - Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * - Neither the name of the Red Hat, Inc. nor the names of its
  19. * contributors may be used to endorse or promote products derived from this
  20. * software without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32. * THE POSSIBILITY OF SUCH DAMAGE.
  33. */
  34. #include <sys/types.h>
  35. #include <string.h>
  36. #include "qdevice-net-algo-ffsplit.h"
  37. #include "qdevice-net-log.h"
  38. #include "qdevice-net-send.h"
  39. #include "qdevice-net-cast-vote-timer.h"
  40. int
  41. qdevice_net_algo_ffsplit_init(struct qdevice_net_instance *instance)
  42. {
  43. return (0);
  44. }
  45. int
  46. qdevice_net_algo_ffsplit_connected(struct qdevice_net_instance *instance)
  47. {
  48. return (0);
  49. }
  50. int
  51. qdevice_net_algo_ffsplit_votequorum_node_list_notify(struct qdevice_net_instance *instance,
  52. const struct tlv_ring_id *ring_id, uint32_t node_list_entries, uint32_t node_list[],
  53. enum tlv_vote *vote)
  54. {
  55. return (0);
  56. }
  57. int
  58. qdevice_net_algo_ffsplit_votequorum_quorum_notify(struct qdevice_net_instance *instance,
  59. uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[], int *send_node_list)
  60. {
  61. return (0);
  62. }
  63. int
  64. qdevice_net_algo_ffsplit_config_node_list_reply_received(struct qdevice_net_instance *instance,
  65. uint32_t seq_number, int initial, enum tlv_vote *vote)
  66. {
  67. return (0);
  68. }
  69. int
  70. qdevice_net_algo_ffsplit_membership_node_list_reply_received(struct qdevice_net_instance *instance,
  71. uint32_t seq_number, const struct tlv_ring_id *ring_id, enum tlv_vote *vote)
  72. {
  73. return (0);
  74. }
  75. int
  76. qdevice_net_algo_ffsplit_quorum_node_list_reply_received(struct qdevice_net_instance *instance,
  77. uint32_t seq_number, enum tlv_vote *vote)
  78. {
  79. return (0);
  80. }
  81. int
  82. qdevice_net_algo_ffsplit_ask_for_vote_reply_received(struct qdevice_net_instance *instance,
  83. uint32_t seq_number, enum tlv_vote *vote)
  84. {
  85. return (0);
  86. }
  87. int
  88. qdevice_net_algo_ffsplit_vote_info_received(struct qdevice_net_instance *instance,
  89. uint32_t seq_number, enum tlv_vote *vote)
  90. {
  91. return (0);
  92. }
  93. int
  94. qdevice_net_algo_ffsplit_echo_reply_received(struct qdevice_net_instance *instance,
  95. uint32_t seq_number, int is_expected_seq_number)
  96. {
  97. return (is_expected_seq_number ? 0 : -1);
  98. }
  99. int
  100. qdevice_net_algo_ffsplit_echo_reply_not_received(struct qdevice_net_instance *instance)
  101. {
  102. return (-1);
  103. }
  104. int
  105. qdevice_net_algo_ffsplit_disconnected(struct qdevice_net_instance *instance,
  106. enum qdevice_net_disconnect_reason disconnect_reason, int *try_reconnect)
  107. {
  108. return (0);
  109. }
  110. void
  111. qdevice_net_algo_ffsplit_destroy(struct qdevice_net_instance *instance)
  112. {
  113. }
  114. static struct qdevice_net_algorithm qdevice_net_algo_ffsplit = {
  115. .init = qdevice_net_algo_ffsplit_init,
  116. .connected = qdevice_net_algo_ffsplit_connected,
  117. .votequorum_node_list_notify = qdevice_net_algo_ffsplit_votequorum_node_list_notify,
  118. .votequorum_quorum_notify = qdevice_net_algo_ffsplit_votequorum_quorum_notify,
  119. .config_node_list_reply_received = qdevice_net_algo_ffsplit_config_node_list_reply_received,
  120. .membership_node_list_reply_received = qdevice_net_algo_ffsplit_membership_node_list_reply_received,
  121. .quorum_node_list_reply_received = qdevice_net_algo_ffsplit_quorum_node_list_reply_received,
  122. .ask_for_vote_reply_received = qdevice_net_algo_ffsplit_ask_for_vote_reply_received,
  123. .vote_info_received = qdevice_net_algo_ffsplit_vote_info_received,
  124. .echo_reply_received = qdevice_net_algo_ffsplit_echo_reply_received,
  125. .echo_reply_not_received = qdevice_net_algo_ffsplit_echo_reply_not_received,
  126. .disconnected = qdevice_net_algo_ffsplit_disconnected,
  127. .destroy = qdevice_net_algo_ffsplit_destroy,
  128. };
  129. int
  130. qdevice_net_algo_ffsplit_register(void)
  131. {
  132. return (qdevice_net_algorithm_register(TLV_DECISION_ALGORITHM_TYPE_FFSPLIT, &qdevice_net_algo_ffsplit));
  133. }