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+/*
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+ * Copyright (c) 2008 Red Hat, Inc.
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+ *
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+ * All rights reserved.
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+ *
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+ * Author: Christine Caulfield (ccaulfie@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 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 <assert.h>
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+#include <pwd.h>
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+#include <grp.h>
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+#include <sys/types.h>
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+#include <sys/poll.h>
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+#include <sys/uio.h>
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+#include <sys/mman.h>
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+#include <sys/socket.h>
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+#include <sys/un.h>
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+#include <sys/time.h>
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+#include <sys/resource.h>
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+#include <netinet/in.h>
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+#include <arpa/inet.h>
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+#include <unistd.h>
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+#include <fcntl.h>
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+#include <stdlib.h>
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+#include <stdio.h>
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+#include <errno.h>
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+#include <signal.h>
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+#include <sched.h>
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+#include <time.h>
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+
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+#include <corosync/engine/logsys.h>
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+#include <corosync/ipc_gen.h>
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+#include <corosync/lcr/lcr_comp.h>
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+#include <corosync/engine/coroapi.h>
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+
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+#include <corosync/engine/quorum.h>
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+
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+LOGSYS_DECLARE_SUBSYS ("TEST", LOG_INFO);
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+
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+static void test_init(struct corosync_api_v1 *api, quorum_set_quorate_fn_t report);
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+
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+/*
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+ * lcrso object definition
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+ */
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+static struct quorum_services_api_ver1 test_quorum_iface_ver0 = {
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+ .init = test_init
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+};
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+
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+static struct lcr_iface corosync_test_quorum_ver0[1] = {
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+ {
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+ .name = "testquorum",
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+ .version = 0,
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+ .versions_replace = 0,
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+ .versions_replace_count = 0,
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+ .dependencies = 0,
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+ .dependency_count = 0,
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+ .constructor = NULL,
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+ .destructor = NULL,
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+ .interfaces = (void **)(void *)&test_quorum_iface_ver0,
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+ },
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+};
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+
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+static struct lcr_comp test_quorum_comp_ver0 = {
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+ .iface_count = 1,
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+ .ifaces = corosync_test_quorum_ver0
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+};
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+
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+__attribute__ ((constructor)) static void test_quorum_comp_register (void) {
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+ lcr_interfaces_set (&corosync_test_quorum_ver0[0], &test_quorum_iface_ver0);
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+ lcr_component_register (&test_quorum_comp_ver0);
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+}
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+
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+/* -------------------------------------------------- */
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+
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+static quorum_set_quorate_fn_t set_quorum;
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+
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+static void key_change_notify(object_change_type_t change_type,
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+ unsigned int parent_object_handle,
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+ unsigned int object_handle,
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+ void *object_name_pt, int object_name_len,
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+ void *key_name_pt, int key_len,
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+ void *key_value_pt, int key_value_len,
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+ void *priv_data_pt)
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+{
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+ unsigned int members[1];
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+ struct memb_ring_id ring_id;
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+
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+ memset(&ring_id, 0, sizeof(ring_id));
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+
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+ /* If the 'quorum.quorate' key changes, then that changes quorum */
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+ if (strncmp(key_name_pt, "quorate", key_len) == 0) {
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+ set_quorum(members, 0, atoi(key_value_pt), &ring_id);
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+ }
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+}
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+
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+static void quorum_callback(int quorate, void *context)
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+{
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+ log_printf(LOG_LEVEL_DEBUG, "quorum callback: quorate = %d\n", quorate);
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+}
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+
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+static void test_init(struct corosync_api_v1 *api,
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+ quorum_set_quorate_fn_t report)
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+{
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+
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+ unsigned int find_handle;
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+ unsigned int quorum_handle = 0;
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+
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+ set_quorum = report;
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+
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+ /*
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+ * Register for objdb changes on quorum { }
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+ */
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+ api->object_find_create(OBJECT_PARENT_HANDLE, "quorum", strlen("quorum"), &find_handle);
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+ api->object_find_next(find_handle, &quorum_handle);
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+ api->object_find_destroy(find_handle);
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+
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+ api->object_track_start(quorum_handle,
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+ 1,
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+ key_change_notify,
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+ NULL, // object_create_notify
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+ NULL, // object_destroy_notify
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+ NULL, // object_reload_notify
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+ NULL); // priv_data
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+
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+ /* Register for quorum changes too! */
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+ api->quorum_register_callback(quorum_callback, NULL);
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+}
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Christine Caulfield