summaryrefslogtreecommitdiffstats
path: root/exec/cmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'exec/cmap.c')
-rw-r--r--exec/cmap.c1155
1 files changed, 1155 insertions, 0 deletions
diff --git a/exec/cmap.c b/exec/cmap.c
new file mode 100644
index 0000000..1d1b69e
--- /dev/null
+++ b/exec/cmap.c
@@ -0,0 +1,1155 @@
+/*
+ * Copyright (c) 2011-2017 Red Hat, Inc.
+ *
+ * All rights reserved.
+ *
+ * Author: Jan Friesse (jfriesse@redhat.com)
+ *
+ * This software licensed under BSD license, the text of which follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the Red Hat, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <poll.h>
+#include <assert.h>
+
+#include <qb/qbloop.h>
+#include <qb/qblist.h>
+#include <qb/qbipcs.h>
+#include <qb/qbipc_common.h>
+
+#include <corosync/corotypes.h>
+#include <corosync/corodefs.h>
+#include <corosync/mar_gen.h>
+#include <corosync/ipc_cmap.h>
+#include <corosync/logsys.h>
+#include <corosync/coroapi.h>
+#include <corosync/icmap.h>
+
+#include "service.h"
+#include "ipcs_stats.h"
+#include "stats.h"
+
+LOGSYS_DECLARE_SUBSYS ("CMAP");
+
+#define MAX_REQ_EXEC_CMAP_MCAST_ITEMS 32
+#define ICMAP_VALUETYPE_NOT_EXIST 0
+
+struct cmap_map {
+ cs_error_t (*map_get)(const char *key_name,
+ void *value,
+ size_t *value_len,
+ icmap_value_types_t *type);
+
+ cs_error_t (*map_set)(const char *key_name,
+ const void *value,
+ size_t value_len,
+ icmap_value_types_t type);
+
+ cs_error_t (*map_adjust_int)(const char *key_name, int32_t step);
+
+ cs_error_t (*map_delete)(const char *key_name);
+
+ int (*map_is_key_ro)(const char *key_name);
+
+ icmap_iter_t (*map_iter_init)(const char *prefix);
+ const char * (*map_iter_next)(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type);
+ void (*map_iter_finalize)(icmap_iter_t iter);
+
+ cs_error_t (*map_track_add)(const char *key_name,
+ int32_t track_type,
+ icmap_notify_fn_t notify_fn,
+ void *user_data,
+ icmap_track_t *icmap_track);
+
+ cs_error_t (*map_track_delete)(icmap_track_t icmap_track);
+ void * (*map_track_get_user_data)(icmap_track_t icmap_track);
+};
+
+struct cmap_map icmap_map = {
+ .map_get = icmap_get,
+ .map_set = icmap_set,
+ .map_adjust_int = icmap_adjust_int,
+ .map_delete = icmap_delete,
+ .map_is_key_ro = icmap_is_key_ro,
+ .map_iter_init = icmap_iter_init,
+ .map_iter_next = icmap_iter_next,
+ .map_iter_finalize = icmap_iter_finalize,
+ .map_track_add = icmap_track_add,
+ .map_track_delete = icmap_track_delete,
+ .map_track_get_user_data = icmap_track_get_user_data,
+};
+
+struct cmap_map stats_map = {
+ .map_get = stats_map_get,
+ .map_set = stats_map_set,
+ .map_adjust_int = stats_map_adjust_int,
+ .map_delete = stats_map_delete,
+ .map_is_key_ro = stats_map_is_key_ro,
+ .map_iter_init = stats_map_iter_init,
+ .map_iter_next = stats_map_iter_next,
+ .map_iter_finalize = stats_map_iter_finalize,
+ .map_track_add = stats_map_track_add,
+ .map_track_delete = stats_map_track_delete,
+ .map_track_get_user_data = stats_map_track_get_user_data,
+};
+
+struct cmap_conn_info {
+ struct hdb_handle_database iter_db;
+ struct hdb_handle_database track_db;
+ struct cmap_map map_fns;
+};
+
+typedef uint64_t cmap_iter_handle_t;
+typedef uint64_t cmap_track_handle_t;
+
+struct cmap_track_user_data {
+ void *conn;
+ cmap_track_handle_t track_handle;
+ uint64_t track_inst_handle;
+};
+
+enum cmap_message_req_types {
+ MESSAGE_REQ_EXEC_CMAP_MCAST = 0,
+};
+
+enum cmap_mcast_reason {
+ CMAP_MCAST_REASON_SYNC = 0,
+ CMAP_MCAST_REASON_NEW_CONFIG_VERSION = 1,
+};
+
+static struct corosync_api_v1 *api;
+
+static char *cmap_exec_init_fn (struct corosync_api_v1 *corosync_api);
+static int cmap_exec_exit_fn(void);
+
+static int cmap_lib_init_fn (void *conn);
+static int cmap_lib_exit_fn (void *conn);
+
+static void message_handler_req_lib_cmap_set(void *conn, const void *message);
+static void message_handler_req_lib_cmap_delete(void *conn, const void *message);
+static void message_handler_req_lib_cmap_get(void *conn, const void *message);
+static void message_handler_req_lib_cmap_adjust_int(void *conn, const void *message);
+static void message_handler_req_lib_cmap_iter_init(void *conn, const void *message);
+static void message_handler_req_lib_cmap_iter_next(void *conn, const void *message);
+static void message_handler_req_lib_cmap_iter_finalize(void *conn, const void *message);
+static void message_handler_req_lib_cmap_track_add(void *conn, const void *message);
+static void message_handler_req_lib_cmap_track_delete(void *conn, const void *message);
+static void message_handler_req_lib_cmap_set_current_map(void *conn, const void *message);
+
+static void cmap_notify_fn(int32_t event,
+ const char *key_name,
+ struct icmap_notify_value new_val,
+ struct icmap_notify_value old_val,
+ void *user_data);
+
+static void message_handler_req_exec_cmap_mcast(
+ const void *message,
+ unsigned int nodeid);
+
+static void exec_cmap_mcast_endian_convert(void *message);
+
+/*
+ * Reson is subtype of message. argc is number of items in argv array. Argv is array
+ * of strings (key names) which will be send to wire. There can be maximum
+ * MAX_REQ_EXEC_CMAP_MCAST_ITEMS items (for more items, CS_ERR_TOO_MANY_GROUPS
+ * error is returned). If key is not found, item has type ICMAP_VALUETYPE_NOT_EXIST
+ * and length zero.
+ */
+static cs_error_t cmap_mcast_send(enum cmap_mcast_reason reason, int argc, char *argv[]);
+
+static void cmap_sync_init (
+ const unsigned int *trans_list,
+ size_t trans_list_entries,
+ const unsigned int *member_list,
+ size_t member_list_entries,
+ const struct memb_ring_id *ring_id);
+
+static int cmap_sync_process (void);
+static void cmap_sync_activate (void);
+static void cmap_sync_abort (void);
+
+static void cmap_config_version_track_cb(
+ int32_t event,
+ const char *key_name,
+ struct icmap_notify_value new_value,
+ struct icmap_notify_value old_value,
+ void *user_data);
+
+/*
+ * Library Handler Definition
+ */
+static struct corosync_lib_handler cmap_lib_engine[] =
+{
+ { /* 0 */
+ .lib_handler_fn = message_handler_req_lib_cmap_set,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 1 */
+ .lib_handler_fn = message_handler_req_lib_cmap_delete,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 2 */
+ .lib_handler_fn = message_handler_req_lib_cmap_get,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 3 */
+ .lib_handler_fn = message_handler_req_lib_cmap_adjust_int,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 4 */
+ .lib_handler_fn = message_handler_req_lib_cmap_iter_init,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 5 */
+ .lib_handler_fn = message_handler_req_lib_cmap_iter_next,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 6 */
+ .lib_handler_fn = message_handler_req_lib_cmap_iter_finalize,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 7 */
+ .lib_handler_fn = message_handler_req_lib_cmap_track_add,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 8 */
+ .lib_handler_fn = message_handler_req_lib_cmap_track_delete,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+ { /* 9 */
+ .lib_handler_fn = message_handler_req_lib_cmap_set_current_map,
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
+ },
+};
+
+static struct corosync_exec_handler cmap_exec_engine[] =
+{
+ { /* 0 - MESSAGE_REQ_EXEC_CMAP_MCAST */
+ .exec_handler_fn = message_handler_req_exec_cmap_mcast,
+ .exec_endian_convert_fn = exec_cmap_mcast_endian_convert
+ },
+};
+
+struct corosync_service_engine cmap_service_engine = {
+ .name = "corosync configuration map access",
+ .id = CMAP_SERVICE,
+ .priority = 1,
+ .private_data_size = sizeof(struct cmap_conn_info),
+ .flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED,
+ .allow_inquorate = CS_LIB_ALLOW_INQUORATE,
+ .lib_init_fn = cmap_lib_init_fn,
+ .lib_exit_fn = cmap_lib_exit_fn,
+ .lib_engine = cmap_lib_engine,
+ .lib_engine_count = sizeof (cmap_lib_engine) / sizeof (struct corosync_lib_handler),
+ .exec_init_fn = cmap_exec_init_fn,
+ .exec_exit_fn = cmap_exec_exit_fn,
+ .exec_engine = cmap_exec_engine,
+ .exec_engine_count = sizeof (cmap_exec_engine) / sizeof (struct corosync_exec_handler),
+ .sync_init = cmap_sync_init,
+ .sync_process = cmap_sync_process,
+ .sync_activate = cmap_sync_activate,
+ .sync_abort = cmap_sync_abort
+};
+
+struct corosync_service_engine *cmap_get_service_engine_ver0 (void)
+{
+ return (&cmap_service_engine);
+}
+
+struct req_exec_cmap_mcast_item {
+ mar_name_t key_name __attribute__((aligned(8)));
+ mar_uint8_t value_type __attribute__((aligned(8)));
+ mar_size_t value_len __attribute__((aligned(8)));
+ uint8_t value[] __attribute__((aligned(8)));
+};
+
+struct req_exec_cmap_mcast {
+ struct qb_ipc_request_header header __attribute__((aligned(8)));
+ mar_uint8_t reason __attribute__((aligned(8)));
+ mar_uint8_t no_items __attribute__((aligned(8)));
+ mar_uint8_t reserved1 __attribute__((aligned(8)));
+ mar_uint8_t reserver2 __attribute__((aligned(8)));
+ /*
+ * Following are array of req_exec_cmap_mcast_item alligned to 8 bytes
+ */
+};
+
+static size_t cmap_sync_trans_list_entries = 0;
+static size_t cmap_sync_member_list_entries = 0;
+static uint64_t cmap_highest_config_version_received = 0;
+static uint64_t cmap_my_config_version = 0;
+static int cmap_first_sync = 1;
+static icmap_track_t cmap_config_version_track;
+
+static void cmap_config_version_track_cb(
+ int32_t event,
+ const char *key_name,
+ struct icmap_notify_value new_value,
+ struct icmap_notify_value old_value,
+ void *user_data)
+{
+ const char *key = "totem.config_version";
+ cs_error_t ret;
+
+ ENTER();
+
+ if (icmap_get_uint64("totem.config_version", &cmap_my_config_version) != CS_OK) {
+ cmap_my_config_version = 0;
+ }
+
+
+ ret = cmap_mcast_send(CMAP_MCAST_REASON_NEW_CONFIG_VERSION, 1, (char **)&key);
+ if (ret != CS_OK) {
+ log_printf(LOGSYS_LEVEL_ERROR, "Can't inform other nodes about new config version");
+ }
+
+ LEAVE();
+}
+
+static int cmap_exec_exit_fn(void)
+{
+
+ if (icmap_track_delete(cmap_config_version_track) != CS_OK) {
+ log_printf(LOGSYS_LEVEL_ERROR, "Can't delete config_version icmap tracker");
+ }
+
+ return 0;
+}
+
+static char *cmap_exec_init_fn (
+ struct corosync_api_v1 *corosync_api)
+{
+ cs_error_t ret;
+
+ api = corosync_api;
+
+ ret = icmap_track_add("totem.config_version",
+ ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY,
+ cmap_config_version_track_cb,
+ NULL,
+ &cmap_config_version_track);
+
+ if (ret != CS_OK) {
+ return ((char *)"Can't add config_version icmap tracker");
+ }
+
+ return (NULL);
+}
+
+static int cmap_lib_init_fn (void *conn)
+{
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+
+ log_printf(LOGSYS_LEVEL_DEBUG, "lib_init_fn: conn=%p", conn);
+
+ api->ipc_refcnt_inc(conn);
+
+ memset(conn_info, 0, sizeof(*conn_info));
+ conn_info->map_fns = icmap_map;
+ hdb_create(&conn_info->iter_db);
+ hdb_create(&conn_info->track_db);
+
+ return (0);
+}
+
+static int cmap_lib_exit_fn (void *conn)
+{
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ hdb_handle_t iter_handle = 0;
+ icmap_iter_t *iter;
+ hdb_handle_t track_handle = 0;
+ icmap_track_t *track;
+
+ log_printf(LOGSYS_LEVEL_DEBUG, "exit_fn for conn=%p", conn);
+
+ hdb_iterator_reset(&conn_info->iter_db);
+ while (hdb_iterator_next(&conn_info->iter_db,
+ (void*)&iter, &iter_handle) == 0) {
+
+ conn_info->map_fns.map_iter_finalize(*iter);
+
+ (void)hdb_handle_put (&conn_info->iter_db, iter_handle);
+ }
+
+ hdb_destroy(&conn_info->iter_db);
+
+ hdb_iterator_reset(&conn_info->track_db);
+ while (hdb_iterator_next(&conn_info->track_db,
+ (void*)&track, &track_handle) == 0) {
+
+ free(conn_info->map_fns.map_track_get_user_data(*track));
+
+ conn_info->map_fns.map_track_delete(*track);
+
+ (void)hdb_handle_put (&conn_info->track_db, track_handle);
+ }
+ hdb_destroy(&conn_info->track_db);
+
+ api->ipc_refcnt_dec(conn);
+
+ return (0);
+}
+
+static void cmap_sync_init (
+ const unsigned int *trans_list,
+ size_t trans_list_entries,
+ const unsigned int *member_list,
+ size_t member_list_entries,
+ const struct memb_ring_id *ring_id)
+{
+
+ cmap_sync_trans_list_entries = trans_list_entries;
+ cmap_sync_member_list_entries = member_list_entries;
+
+ if (icmap_get_uint64("totem.config_version", &cmap_my_config_version) != CS_OK) {
+ cmap_my_config_version = 0;
+ }
+
+ cmap_highest_config_version_received = cmap_my_config_version;
+}
+
+static int cmap_sync_process (void)
+{
+ const char *key = "totem.config_version";
+ cs_error_t ret;
+
+ ret = cmap_mcast_send(CMAP_MCAST_REASON_SYNC, 1, (char **)&key);
+
+ return (ret == CS_OK ? 0 : -1);
+}
+
+static void cmap_sync_activate (void)
+{
+
+ if (cmap_sync_trans_list_entries == 0) {
+ log_printf(LOGSYS_LEVEL_DEBUG, "Single node sync -> no action");
+
+ return ;
+ }
+
+ if (cmap_first_sync == 1) {
+ cmap_first_sync = 0;
+ } else {
+ log_printf(LOGSYS_LEVEL_DEBUG, "Not first sync -> no action");
+
+ return ;
+ }
+
+ if (cmap_my_config_version == 0) {
+ log_printf(LOGSYS_LEVEL_DEBUG, "My config version is 0 -> no action");
+
+ return ;
+ }
+
+ if (cmap_highest_config_version_received != cmap_my_config_version) {
+ log_printf(LOGSYS_LEVEL_ERROR,
+ "Received config version (%"PRIu64") is different than my config version (%"PRIu64")! Exiting",
+ cmap_highest_config_version_received, cmap_my_config_version);
+ api->shutdown_request();
+ return ;
+ }
+}
+
+static void cmap_sync_abort (void)
+{
+
+
+}
+
+static void message_handler_req_lib_cmap_set(void *conn, const void *message)
+{
+ const struct req_lib_cmap_set *req_lib_cmap_set = message;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ struct res_lib_cmap_set res_lib_cmap_set;
+ cs_error_t ret;
+
+ if (conn_info->map_fns.map_is_key_ro((char *)req_lib_cmap_set->key_name.value)) {
+ ret = CS_ERR_ACCESS;
+ } else {
+ ret = conn_info->map_fns.map_set((char *)req_lib_cmap_set->key_name.value, &req_lib_cmap_set->value,
+ req_lib_cmap_set->value_len, req_lib_cmap_set->type);
+ }
+
+ memset(&res_lib_cmap_set, 0, sizeof(res_lib_cmap_set));
+ res_lib_cmap_set.header.size = sizeof(res_lib_cmap_set);
+ res_lib_cmap_set.header.id = MESSAGE_RES_CMAP_SET;
+ res_lib_cmap_set.header.error = ret;
+
+ api->ipc_response_send(conn, &res_lib_cmap_set, sizeof(res_lib_cmap_set));
+}
+
+static void message_handler_req_lib_cmap_delete(void *conn, const void *message)
+{
+ const struct req_lib_cmap_set *req_lib_cmap_set = message;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ struct res_lib_cmap_delete res_lib_cmap_delete;
+ cs_error_t ret;
+
+ if (conn_info->map_fns.map_is_key_ro((char *)req_lib_cmap_set->key_name.value)) {
+ ret = CS_ERR_ACCESS;
+ } else {
+ ret = conn_info->map_fns.map_delete((char *)req_lib_cmap_set->key_name.value);
+ }
+
+ memset(&res_lib_cmap_delete, 0, sizeof(res_lib_cmap_delete));
+ res_lib_cmap_delete.header.size = sizeof(res_lib_cmap_delete);
+ res_lib_cmap_delete.header.id = MESSAGE_RES_CMAP_DELETE;
+ res_lib_cmap_delete.header.error = ret;
+
+ api->ipc_response_send(conn, &res_lib_cmap_delete, sizeof(res_lib_cmap_delete));
+}
+
+static void message_handler_req_lib_cmap_get(void *conn, const void *message)
+{
+ const struct req_lib_cmap_get *req_lib_cmap_get = message;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ struct res_lib_cmap_get *res_lib_cmap_get;
+ struct res_lib_cmap_get error_res_lib_cmap_get;
+ cs_error_t ret;
+ size_t value_len;
+ size_t res_lib_cmap_get_size;
+ icmap_value_types_t type;
+ void *value;
+
+ value_len = req_lib_cmap_get->value_len;
+
+ res_lib_cmap_get_size = sizeof(*res_lib_cmap_get) + value_len;
+ res_lib_cmap_get = malloc(res_lib_cmap_get_size);
+ if (res_lib_cmap_get == NULL) {
+ ret = CS_ERR_NO_MEMORY;
+ goto error_exit;
+ }
+
+ memset(res_lib_cmap_get, 0, res_lib_cmap_get_size);
+
+ if (value_len > 0) {
+ value = res_lib_cmap_get->value;
+ } else {
+ value = NULL;
+ }
+
+ ret = conn_info->map_fns.map_get((char *)req_lib_cmap_get->key_name.value,
+ value,
+ &value_len,
+ &type);
+
+ if (ret != CS_OK) {
+ free(res_lib_cmap_get);
+ goto error_exit;
+ }
+
+ res_lib_cmap_get->header.size = res_lib_cmap_get_size;
+ res_lib_cmap_get->header.id = MESSAGE_RES_CMAP_GET;
+ res_lib_cmap_get->header.error = ret;
+ res_lib_cmap_get->type = type;
+ res_lib_cmap_get->value_len = value_len;
+
+ api->ipc_response_send(conn, res_lib_cmap_get, res_lib_cmap_get_size);
+ free(res_lib_cmap_get);
+
+ return ;
+
+error_exit:
+ memset(&error_res_lib_cmap_get, 0, sizeof(error_res_lib_cmap_get));
+ error_res_lib_cmap_get.header.size = sizeof(error_res_lib_cmap_get);
+ error_res_lib_cmap_get.header.id = MESSAGE_RES_CMAP_GET;
+ error_res_lib_cmap_get.header.error = ret;
+
+ api->ipc_response_send(conn, &error_res_lib_cmap_get, sizeof(error_res_lib_cmap_get));
+}
+
+static void message_handler_req_lib_cmap_adjust_int(void *conn, const void *message)
+{
+ const struct req_lib_cmap_adjust_int *req_lib_cmap_adjust_int = message;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ struct res_lib_cmap_adjust_int res_lib_cmap_adjust_int;
+ cs_error_t ret;
+
+ if (conn_info->map_fns.map_is_key_ro((char *)req_lib_cmap_adjust_int->key_name.value)) {
+ ret = CS_ERR_ACCESS;
+ } else {
+ ret = conn_info->map_fns.map_adjust_int((char *)req_lib_cmap_adjust_int->key_name.value,
+ req_lib_cmap_adjust_int->step);
+
+ }
+
+ memset(&res_lib_cmap_adjust_int, 0, sizeof(res_lib_cmap_adjust_int));
+ res_lib_cmap_adjust_int.header.size = sizeof(res_lib_cmap_adjust_int);
+ res_lib_cmap_adjust_int.header.id = MESSAGE_RES_CMAP_ADJUST_INT;
+ res_lib_cmap_adjust_int.header.error = ret;
+
+ api->ipc_response_send(conn, &res_lib_cmap_adjust_int, sizeof(res_lib_cmap_adjust_int));
+}
+
+static void message_handler_req_lib_cmap_iter_init(void *conn, const void *message)
+{
+ const struct req_lib_cmap_iter_init *req_lib_cmap_iter_init = message;
+ struct res_lib_cmap_iter_init res_lib_cmap_iter_init;
+ cs_error_t ret;
+ icmap_iter_t iter;
+ icmap_iter_t *hdb_iter;
+ cmap_iter_handle_t handle = 0ULL;
+ const char *prefix;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+
+ if (req_lib_cmap_iter_init->prefix.length > 0) {
+ prefix = (char *)req_lib_cmap_iter_init->prefix.value;
+ } else {
+ prefix = NULL;
+ }
+
+ iter = conn_info->map_fns.map_iter_init(prefix);
+ if (iter == NULL) {
+ ret = CS_ERR_NO_SECTIONS;
+ goto reply_send;
+ }
+
+ ret = hdb_error_to_cs(hdb_handle_create(&conn_info->iter_db, sizeof(iter), &handle));
+ if (ret != CS_OK) {
+ goto reply_send;
+ }
+
+ ret = hdb_error_to_cs(hdb_handle_get(&conn_info->iter_db, handle, (void *)&hdb_iter));
+ if (ret != CS_OK) {
+ goto reply_send;
+ }
+
+ *hdb_iter = iter;
+
+ (void)hdb_handle_put (&conn_info->iter_db, handle);
+
+reply_send:
+ memset(&res_lib_cmap_iter_init, 0, sizeof(res_lib_cmap_iter_init));
+ res_lib_cmap_iter_init.header.size = sizeof(res_lib_cmap_iter_init);
+ res_lib_cmap_iter_init.header.id = MESSAGE_RES_CMAP_ITER_INIT;
+ res_lib_cmap_iter_init.header.error = ret;
+ res_lib_cmap_iter_init.iter_handle = handle;
+
+ api->ipc_response_send(conn, &res_lib_cmap_iter_init, sizeof(res_lib_cmap_iter_init));
+}
+
+static void message_handler_req_lib_cmap_iter_next(void *conn, const void *message)
+{
+ const struct req_lib_cmap_iter_next *req_lib_cmap_iter_next = message;
+ struct res_lib_cmap_iter_next res_lib_cmap_iter_next;
+ cs_error_t ret;
+ icmap_iter_t *iter;
+ size_t value_len = 0;
+ icmap_value_types_t type = 0;
+ const char *res = NULL;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+
+ ret = hdb_error_to_cs(hdb_handle_get(&conn_info->iter_db,
+ req_lib_cmap_iter_next->iter_handle, (void *)&iter));
+ if (ret != CS_OK) {
+ goto reply_send;
+ }
+
+ res = conn_info->map_fns.map_iter_next(*iter, &value_len, &type);
+ if (res == NULL) {
+ ret = CS_ERR_NO_SECTIONS;
+ }
+
+ (void)hdb_handle_put (&conn_info->iter_db, req_lib_cmap_iter_next->iter_handle);
+
+reply_send:
+ memset(&res_lib_cmap_iter_next, 0, sizeof(res_lib_cmap_iter_next));
+ res_lib_cmap_iter_next.header.size = sizeof(res_lib_cmap_iter_next);
+ res_lib_cmap_iter_next.header.id = MESSAGE_RES_CMAP_ITER_NEXT;
+ res_lib_cmap_iter_next.header.error = ret;
+
+ if (res != NULL) {
+ res_lib_cmap_iter_next.value_len = value_len;
+ res_lib_cmap_iter_next.type = type;
+
+ assert(strlen(res) <= sizeof(res_lib_cmap_iter_next.key_name.value));
+
+ memcpy(res_lib_cmap_iter_next.key_name.value, res, strlen(res));
+ res_lib_cmap_iter_next.key_name.length = strlen(res);
+ }
+
+ api->ipc_response_send(conn, &res_lib_cmap_iter_next, sizeof(res_lib_cmap_iter_next));
+}
+
+static void message_handler_req_lib_cmap_iter_finalize(void *conn, const void *message)
+{
+ const struct req_lib_cmap_iter_finalize *req_lib_cmap_iter_finalize = message;
+ struct res_lib_cmap_iter_finalize res_lib_cmap_iter_finalize;
+ cs_error_t ret;
+ icmap_iter_t *iter;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+
+ ret = hdb_error_to_cs(hdb_handle_get(&conn_info->iter_db,
+ req_lib_cmap_iter_finalize->iter_handle, (void *)&iter));
+ if (ret != CS_OK) {
+ goto reply_send;
+ }
+
+ conn_info->map_fns.map_iter_finalize(*iter);
+
+ (void)hdb_handle_destroy(&conn_info->iter_db, req_lib_cmap_iter_finalize->iter_handle);
+
+ (void)hdb_handle_put (&conn_info->iter_db, req_lib_cmap_iter_finalize->iter_handle);
+
+reply_send:
+ memset(&res_lib_cmap_iter_finalize, 0, sizeof(res_lib_cmap_iter_finalize));
+ res_lib_cmap_iter_finalize.header.size = sizeof(res_lib_cmap_iter_finalize);
+ res_lib_cmap_iter_finalize.header.id = MESSAGE_RES_CMAP_ITER_FINALIZE;
+ res_lib_cmap_iter_finalize.header.error = ret;
+
+ api->ipc_response_send(conn, &res_lib_cmap_iter_finalize, sizeof(res_lib_cmap_iter_finalize));
+}
+
+static void cmap_notify_fn(int32_t event,
+ const char *key_name,
+ struct icmap_notify_value new_val,
+ struct icmap_notify_value old_val,
+ void *user_data)
+{
+ struct cmap_track_user_data *cmap_track_user_data = (struct cmap_track_user_data *)user_data;
+ struct res_lib_cmap_notify_callback res_lib_cmap_notify_callback;
+ struct iovec iov[3];
+
+ memset(&res_lib_cmap_notify_callback, 0, sizeof(res_lib_cmap_notify_callback));
+
+ res_lib_cmap_notify_callback.header.size = sizeof(res_lib_cmap_notify_callback) + new_val.len + old_val.len;
+ res_lib_cmap_notify_callback.header.id = MESSAGE_RES_CMAP_NOTIFY_CALLBACK;
+ res_lib_cmap_notify_callback.header.error = CS_OK;
+
+ res_lib_cmap_notify_callback.new_value_type = new_val.type;
+ res_lib_cmap_notify_callback.old_value_type = old_val.type;
+ res_lib_cmap_notify_callback.new_value_len = new_val.len;
+ res_lib_cmap_notify_callback.old_value_len = old_val.len;
+ res_lib_cmap_notify_callback.event = event;
+ res_lib_cmap_notify_callback.key_name.length = strlen(key_name);
+ res_lib_cmap_notify_callback.track_inst_handle = cmap_track_user_data->track_inst_handle;
+
+ assert(strlen(key_name) <= sizeof(res_lib_cmap_notify_callback.key_name.value));
+
+ memcpy(res_lib_cmap_notify_callback.key_name.value, key_name, strlen(key_name));
+
+ iov[0].iov_base = (char *)&res_lib_cmap_notify_callback;
+ iov[0].iov_len = sizeof(res_lib_cmap_notify_callback);
+ iov[1].iov_base = (char *)new_val.data;
+ iov[1].iov_len = new_val.len;
+ iov[2].iov_base = (char *)old_val.data;
+ iov[2].iov_len = old_val.len;
+
+ api->ipc_dispatch_iov_send(cmap_track_user_data->conn, iov, 3);
+}
+
+static void message_handler_req_lib_cmap_track_add(void *conn, const void *message)
+{
+ const struct req_lib_cmap_track_add *req_lib_cmap_track_add = message;
+ struct res_lib_cmap_track_add res_lib_cmap_track_add;
+ cs_error_t ret;
+ cmap_track_handle_t handle = 0;
+ icmap_track_t track = NULL;
+ icmap_track_t *hdb_track;
+ struct cmap_track_user_data *cmap_track_user_data;
+ const char *key_name;
+
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+
+ cmap_track_user_data = malloc(sizeof(*cmap_track_user_data));
+ if (cmap_track_user_data == NULL) {
+ ret = CS_ERR_NO_MEMORY;
+
+ goto reply_send;
+ }
+ memset(cmap_track_user_data, 0, sizeof(*cmap_track_user_data));
+
+ if (req_lib_cmap_track_add->key_name.length > 0) {
+ key_name = (char *)req_lib_cmap_track_add->key_name.value;
+ } else {
+ key_name = NULL;
+ }
+
+ ret = conn_info->map_fns.map_track_add(key_name,
+ req_lib_cmap_track_add->track_type,
+ cmap_notify_fn,
+ cmap_track_user_data,
+ &track);
+ if (ret != CS_OK) {
+ free(cmap_track_user_data);
+
+ goto reply_send;
+ }
+
+ ret = hdb_error_to_cs(hdb_handle_create(&conn_info->track_db, sizeof(track), &handle));
+ if (ret != CS_OK) {
+ free(cmap_track_user_data);
+
+ goto reply_send;
+ }
+
+ ret = hdb_error_to_cs(hdb_handle_get(&conn_info->track_db, handle, (void *)&hdb_track));
+ if (ret != CS_OK) {
+ free(cmap_track_user_data);
+
+ goto reply_send;
+ }
+
+ *hdb_track = track;
+ cmap_track_user_data->conn = conn;
+ cmap_track_user_data->track_handle = handle;
+ cmap_track_user_data->track_inst_handle = req_lib_cmap_track_add->track_inst_handle;
+
+ (void)hdb_handle_put (&conn_info->track_db, handle);
+
+reply_send:
+ memset(&res_lib_cmap_track_add, 0, sizeof(res_lib_cmap_track_add));
+ res_lib_cmap_track_add.header.size = sizeof(res_lib_cmap_track_add);
+ res_lib_cmap_track_add.header.id = MESSAGE_RES_CMAP_TRACK_ADD;
+ res_lib_cmap_track_add.header.error = ret;
+ res_lib_cmap_track_add.track_handle = handle;
+
+ api->ipc_response_send(conn, &res_lib_cmap_track_add, sizeof(res_lib_cmap_track_add));
+}
+
+static void message_handler_req_lib_cmap_track_delete(void *conn, const void *message)
+{
+ const struct req_lib_cmap_track_delete *req_lib_cmap_track_delete = message;
+ struct res_lib_cmap_track_delete res_lib_cmap_track_delete;
+ cs_error_t ret;
+ icmap_track_t *track;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ uint64_t track_inst_handle = 0;
+
+ ret = hdb_error_to_cs(hdb_handle_get(&conn_info->track_db,
+ req_lib_cmap_track_delete->track_handle, (void *)&track));
+ if (ret != CS_OK) {
+ goto reply_send;
+ }
+
+ track_inst_handle = ((struct cmap_track_user_data *)
+ conn_info->map_fns.map_track_get_user_data(*track))->track_inst_handle;
+
+ free(conn_info->map_fns.map_track_get_user_data(*track));
+
+ ret = conn_info->map_fns.map_track_delete(*track);
+
+ (void)hdb_handle_put (&conn_info->track_db, req_lib_cmap_track_delete->track_handle);
+ (void)hdb_handle_destroy(&conn_info->track_db, req_lib_cmap_track_delete->track_handle);
+
+reply_send:
+ memset(&res_lib_cmap_track_delete, 0, sizeof(res_lib_cmap_track_delete));
+ res_lib_cmap_track_delete.header.size = sizeof(res_lib_cmap_track_delete);
+ res_lib_cmap_track_delete.header.id = MESSAGE_RES_CMAP_TRACK_DELETE;
+ res_lib_cmap_track_delete.header.error = ret;
+ res_lib_cmap_track_delete.track_inst_handle = track_inst_handle;
+
+ api->ipc_response_send(conn, &res_lib_cmap_track_delete, sizeof(res_lib_cmap_track_delete));
+}
+
+
+static void message_handler_req_lib_cmap_set_current_map(void *conn, const void *message)
+{
+ const struct req_lib_cmap_set_current_map *req_lib_cmap_set_current_map = message;
+ struct qb_ipc_response_header res;
+ cs_error_t ret = CS_OK;
+ struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
+ int handles_open = 0;
+ hdb_handle_t iter_handle = 0;
+ icmap_iter_t *iter;
+ hdb_handle_t track_handle = 0;
+ icmap_track_t *track;
+
+ /* Cannot switch maps while there are tracks or iterators active */
+ hdb_iterator_reset(&conn_info->iter_db);
+ while (hdb_iterator_next(&conn_info->iter_db,
+ (void*)&iter, &iter_handle) == 0) {
+ handles_open++;
+ }
+
+ hdb_iterator_reset(&conn_info->track_db);
+ while (hdb_iterator_next(&conn_info->track_db,
+ (void*)&track, &track_handle) == 0) {
+ handles_open++;
+ }
+
+ if (handles_open) {
+ ret = CS_ERR_BUSY;
+ goto reply_send;
+ }
+
+ switch (req_lib_cmap_set_current_map->map) {
+ case CMAP_SETMAP_DEFAULT:
+ conn_info->map_fns = icmap_map;
+ break;
+ case CMAP_SETMAP_STATS:
+ conn_info->map_fns = stats_map;
+ break;
+ default:
+ ret = CS_ERR_NOT_EXIST;
+ break;
+ }
+
+reply_send:
+ res.size = sizeof(res);
+ res.id = MESSAGE_RES_CMAP_SET_CURRENT_MAP;
+ res.error = ret;
+
+ api->ipc_response_send(conn, &res, sizeof(res));
+}
+
+static cs_error_t cmap_mcast_send(enum cmap_mcast_reason reason, int argc, char *argv[])
+{
+ int i;
+ size_t value_len;
+ icmap_value_types_t value_type;
+ cs_error_t err;
+ size_t item_len;
+ size_t msg_len = 0;
+ struct req_exec_cmap_mcast req_exec_cmap_mcast;
+ struct req_exec_cmap_mcast_item *item = NULL;
+ struct iovec req_exec_cmap_iovec[MAX_REQ_EXEC_CMAP_MCAST_ITEMS + 1];
+
+ ENTER();
+
+ if (argc > MAX_REQ_EXEC_CMAP_MCAST_ITEMS) {
+ return (CS_ERR_TOO_MANY_GROUPS);
+ }
+
+ memset(req_exec_cmap_iovec, 0, sizeof(req_exec_cmap_iovec));
+
+ for (i = 0; i < argc; i++) {
+ err = icmap_get(argv[i], NULL, &value_len, &value_type);
+ if (err != CS_OK && err != CS_ERR_NOT_EXIST) {
+ goto free_mem;
+ }
+ if (err == CS_ERR_NOT_EXIST) {
+ value_type = ICMAP_VALUETYPE_NOT_EXIST;
+ value_len = 0;
+ }
+
+ item_len = MAR_ALIGN_UP(sizeof(*item) + value_len, 8);
+
+ item = malloc(item_len);
+ if (item == NULL) {
+ goto free_mem;
+ }
+ memset(item, 0, item_len);
+
+ item->value_type = value_type;
+ item->value_len = value_len;
+ item->key_name.length = strlen(argv[i]);
+
+ assert(strlen(argv[i]) < sizeof(item->key_name.value));
+
+ strcpy((char *)item->key_name.value, argv[i]);
+
+ if (value_type != ICMAP_VALUETYPE_NOT_EXIST) {
+ err = icmap_get(argv[i], item->value, &value_len, &value_type);
+ if (err != CS_OK) {
+ goto free_mem;
+ }
+ }
+
+ req_exec_cmap_iovec[i + 1].iov_base = item;
+ req_exec_cmap_iovec[i + 1].iov_len = item_len;
+ msg_len += item_len;
+
+ qb_log(LOG_TRACE, "Item %u - type %u, len %zu", i, item->value_type, item->value_len);
+
+ item = NULL;
+ }
+
+ memset(&req_exec_cmap_mcast, 0, sizeof(req_exec_cmap_mcast));
+ req_exec_cmap_mcast.header.size = sizeof(req_exec_cmap_mcast) + msg_len;
+ req_exec_cmap_mcast.reason = reason;
+ req_exec_cmap_mcast.no_items = argc;
+ req_exec_cmap_iovec[0].iov_base = &req_exec_cmap_mcast;
+ req_exec_cmap_iovec[0].iov_len = sizeof(req_exec_cmap_mcast);
+
+ qb_log(LOG_TRACE, "Sending %u items (%u iovec) for reason %u", argc, argc + 1, reason);
+ err = (api->totem_mcast(req_exec_cmap_iovec, argc + 1, TOTEM_AGREED) == 0 ? CS_OK : CS_ERR_MESSAGE_ERROR);
+
+free_mem:
+ for (i = 0; i < argc; i++) {
+ free(req_exec_cmap_iovec[i + 1].iov_base);
+ }
+
+ free(item);
+
+ LEAVE();
+ return (err);
+}
+
+static struct req_exec_cmap_mcast_item *cmap_mcast_item_find(
+ const void *message,
+ char *key)
+{
+ const struct req_exec_cmap_mcast *req_exec_cmap_mcast = message;
+ int i;
+ const char *p;
+ struct req_exec_cmap_mcast_item *item;
+ mar_uint16_t key_name_len;
+
+ p = (const char *)message + sizeof(*req_exec_cmap_mcast);
+
+ for (i = 0; i < req_exec_cmap_mcast->no_items; i++) {
+ item = (struct req_exec_cmap_mcast_item *)p;
+
+ key_name_len = item->key_name.length;
+ if (strlen(key) == key_name_len && strcmp((char *)item->key_name.value, key) == 0) {
+ return (item);
+ }
+
+ p += MAR_ALIGN_UP(sizeof(*item) + item->value_len, 8);
+ }
+
+ return (NULL);
+}
+
+static void message_handler_req_exec_cmap_mcast_reason_sync_nv(
+ enum cmap_mcast_reason reason,
+ const void *message,
+ unsigned int nodeid)
+{
+ char member_config_version[ICMAP_KEYNAME_MAXLEN];
+ uint64_t config_version = 0;
+ struct req_exec_cmap_mcast_item *item;
+ mar_size_t value_len;
+
+ ENTER();
+
+ item = cmap_mcast_item_find(message, (char *)"totem.config_version");
+ if (item != NULL) {
+ value_len = item->value_len;
+
+ if (item->value_type == ICMAP_VALUETYPE_NOT_EXIST) {
+ config_version = 0;
+ }
+
+ if (item->value_type == ICMAP_VALUETYPE_UINT64) {
+ memcpy(&config_version, item->value, value_len);
+ }
+ }
+
+ qb_log(LOG_TRACE, "Received config version %"PRIu64" from node " CS_PRI_NODE_ID, config_version, nodeid);
+
+ if (nodeid != api->totem_nodeid_get() &&
+ config_version > cmap_highest_config_version_received) {
+ cmap_highest_config_version_received = config_version;
+ }
+
+ snprintf(member_config_version, ICMAP_KEYNAME_MAXLEN,
+ "runtime.members.%u.config_version", nodeid);
+ icmap_set_uint64(member_config_version, config_version);
+
+ LEAVE();
+}
+
+static void message_handler_req_exec_cmap_mcast(
+ const void *message,
+ unsigned int nodeid)
+{
+ const struct req_exec_cmap_mcast *req_exec_cmap_mcast = message;
+
+ ENTER();
+
+ switch (req_exec_cmap_mcast->reason) {
+ case CMAP_MCAST_REASON_SYNC:
+ message_handler_req_exec_cmap_mcast_reason_sync_nv(req_exec_cmap_mcast->reason,
+ message, nodeid);
+
+ break;
+ case CMAP_MCAST_REASON_NEW_CONFIG_VERSION:
+ message_handler_req_exec_cmap_mcast_reason_sync_nv(req_exec_cmap_mcast->reason,
+ message, nodeid);
+
+ break;
+ default:
+ qb_log(LOG_TRACE, "Received mcast with unknown reason %u", req_exec_cmap_mcast->reason);
+ };
+
+ LEAVE();
+}
+
+static void exec_cmap_mcast_endian_convert(void *message)
+{
+ struct req_exec_cmap_mcast *req_exec_cmap_mcast = message;
+ const char *p;
+ int i;
+ struct req_exec_cmap_mcast_item *item;
+ uint16_t u16;
+ uint32_t u32;
+ uint64_t u64;
+ float flt;
+ double dbl;
+
+ swab_coroipc_request_header_t(&req_exec_cmap_mcast->header);
+
+ p = (const char *)message + sizeof(*req_exec_cmap_mcast);
+
+ for (i = 0; i < req_exec_cmap_mcast->no_items; i++) {
+ item = (struct req_exec_cmap_mcast_item *)p;
+
+ swab_mar_uint16_t(&item->key_name.length);
+ swab_mar_size_t(&item->value_len);
+
+ switch (item->value_type) {
+ case ICMAP_VALUETYPE_INT16:
+ case ICMAP_VALUETYPE_UINT16:
+ memcpy(&u16, item->value, sizeof(u16));
+ u16 = swab16(u16);
+ memcpy(item->value, &u16, sizeof(u16));
+ break;
+ case ICMAP_VALUETYPE_INT32:
+ case ICMAP_VALUETYPE_UINT32:
+ memcpy(&u32, item->value, sizeof(u32));
+ u32 = swab32(u32);
+ memcpy(item->value, &u32, sizeof(u32));
+ break;
+ case ICMAP_VALUETYPE_INT64:
+ case ICMAP_VALUETYPE_UINT64:
+ memcpy(&u64, item->value, sizeof(u64));
+ u64 = swab64(u64);
+ memcpy(item->value, &u64, sizeof(u64));
+ break;
+ case ICMAP_VALUETYPE_FLOAT:
+ memcpy(&flt, item->value, sizeof(flt));
+ swabflt(&flt);
+ memcpy(item->value, &flt, sizeof(flt));
+ break;
+ case ICMAP_VALUETYPE_DOUBLE:
+ memcpy(&dbl, item->value, sizeof(dbl));
+ swabdbl(&dbl);
+ memcpy(item->value, &dbl, sizeof(dbl));
+ break;
+ }
+
+ p += MAR_ALIGN_UP(sizeof(*item) + item->value_len, 8);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 07:30:02 +0000