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1156 lines
35 KiB
C
1156 lines
35 KiB
C
/*
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* Copyright (c) 2011-2017 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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#include <config.h>
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#include <sys/types.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 <errno.h>
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#include <poll.h>
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#include <assert.h>
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#include <qb/qbloop.h>
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#include <qb/qblist.h>
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#include <qb/qbipcs.h>
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#include <qb/qbipc_common.h>
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#include <corosync/corotypes.h>
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#include <corosync/corodefs.h>
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#include <corosync/mar_gen.h>
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#include <corosync/ipc_cmap.h>
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#include <corosync/logsys.h>
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#include <corosync/coroapi.h>
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#include <corosync/icmap.h>
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#include "service.h"
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#include "ipcs_stats.h"
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#include "stats.h"
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LOGSYS_DECLARE_SUBSYS ("CMAP");
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#define MAX_REQ_EXEC_CMAP_MCAST_ITEMS 32
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#define ICMAP_VALUETYPE_NOT_EXIST 0
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struct cmap_map {
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cs_error_t (*map_get)(const char *key_name,
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void *value,
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size_t *value_len,
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icmap_value_types_t *type);
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cs_error_t (*map_set)(const char *key_name,
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const void *value,
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size_t value_len,
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icmap_value_types_t type);
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cs_error_t (*map_adjust_int)(const char *key_name, int32_t step);
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cs_error_t (*map_delete)(const char *key_name);
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int (*map_is_key_ro)(const char *key_name);
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icmap_iter_t (*map_iter_init)(const char *prefix);
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const char * (*map_iter_next)(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type);
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void (*map_iter_finalize)(icmap_iter_t iter);
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cs_error_t (*map_track_add)(const char *key_name,
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int32_t track_type,
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icmap_notify_fn_t notify_fn,
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void *user_data,
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icmap_track_t *icmap_track);
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cs_error_t (*map_track_delete)(icmap_track_t icmap_track);
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void * (*map_track_get_user_data)(icmap_track_t icmap_track);
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};
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struct cmap_map icmap_map = {
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.map_get = icmap_get,
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.map_set = icmap_set,
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.map_adjust_int = icmap_adjust_int,
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.map_delete = icmap_delete,
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.map_is_key_ro = icmap_is_key_ro,
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.map_iter_init = icmap_iter_init,
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.map_iter_next = icmap_iter_next,
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.map_iter_finalize = icmap_iter_finalize,
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.map_track_add = icmap_track_add,
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.map_track_delete = icmap_track_delete,
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.map_track_get_user_data = icmap_track_get_user_data,
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};
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struct cmap_map stats_map = {
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.map_get = stats_map_get,
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.map_set = stats_map_set,
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.map_adjust_int = stats_map_adjust_int,
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.map_delete = stats_map_delete,
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.map_is_key_ro = stats_map_is_key_ro,
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.map_iter_init = stats_map_iter_init,
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.map_iter_next = stats_map_iter_next,
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.map_iter_finalize = stats_map_iter_finalize,
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.map_track_add = stats_map_track_add,
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.map_track_delete = stats_map_track_delete,
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.map_track_get_user_data = stats_map_track_get_user_data,
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};
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struct cmap_conn_info {
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struct hdb_handle_database iter_db;
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struct hdb_handle_database track_db;
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struct cmap_map map_fns;
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};
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typedef uint64_t cmap_iter_handle_t;
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typedef uint64_t cmap_track_handle_t;
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struct cmap_track_user_data {
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void *conn;
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cmap_track_handle_t track_handle;
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uint64_t track_inst_handle;
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};
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enum cmap_message_req_types {
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MESSAGE_REQ_EXEC_CMAP_MCAST = 0,
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};
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enum cmap_mcast_reason {
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CMAP_MCAST_REASON_SYNC = 0,
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CMAP_MCAST_REASON_NEW_CONFIG_VERSION = 1,
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};
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static struct corosync_api_v1 *api;
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static char *cmap_exec_init_fn (struct corosync_api_v1 *corosync_api);
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static int cmap_exec_exit_fn(void);
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static int cmap_lib_init_fn (void *conn);
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static int cmap_lib_exit_fn (void *conn);
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static void message_handler_req_lib_cmap_set(void *conn, const void *message);
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static void message_handler_req_lib_cmap_delete(void *conn, const void *message);
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static void message_handler_req_lib_cmap_get(void *conn, const void *message);
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static void message_handler_req_lib_cmap_adjust_int(void *conn, const void *message);
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static void message_handler_req_lib_cmap_iter_init(void *conn, const void *message);
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static void message_handler_req_lib_cmap_iter_next(void *conn, const void *message);
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static void message_handler_req_lib_cmap_iter_finalize(void *conn, const void *message);
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static void message_handler_req_lib_cmap_track_add(void *conn, const void *message);
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static void message_handler_req_lib_cmap_track_delete(void *conn, const void *message);
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static void message_handler_req_lib_cmap_set_current_map(void *conn, const void *message);
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static void cmap_notify_fn(int32_t event,
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const char *key_name,
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struct icmap_notify_value new_val,
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struct icmap_notify_value old_val,
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void *user_data);
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static void message_handler_req_exec_cmap_mcast(
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const void *message,
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unsigned int nodeid);
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static void exec_cmap_mcast_endian_convert(void *message);
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/*
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* Reson is subtype of message. argc is number of items in argv array. Argv is array
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* of strings (key names) which will be send to wire. There can be maximum
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* MAX_REQ_EXEC_CMAP_MCAST_ITEMS items (for more items, CS_ERR_TOO_MANY_GROUPS
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* error is returned). If key is not found, item has type ICMAP_VALUETYPE_NOT_EXIST
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* and length zero.
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*/
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static cs_error_t cmap_mcast_send(enum cmap_mcast_reason reason, int argc, char *argv[]);
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static void cmap_sync_init (
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const unsigned int *trans_list,
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size_t trans_list_entries,
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const unsigned int *member_list,
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size_t member_list_entries,
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const struct memb_ring_id *ring_id);
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static int cmap_sync_process (void);
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static void cmap_sync_activate (void);
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static void cmap_sync_abort (void);
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static void cmap_config_version_track_cb(
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int32_t event,
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const char *key_name,
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struct icmap_notify_value new_value,
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struct icmap_notify_value old_value,
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void *user_data);
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/*
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* Library Handler Definition
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*/
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static struct corosync_lib_handler cmap_lib_engine[] =
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{
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{ /* 0 */
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.lib_handler_fn = message_handler_req_lib_cmap_set,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 1 */
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.lib_handler_fn = message_handler_req_lib_cmap_delete,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 2 */
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.lib_handler_fn = message_handler_req_lib_cmap_get,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 3 */
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.lib_handler_fn = message_handler_req_lib_cmap_adjust_int,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 4 */
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.lib_handler_fn = message_handler_req_lib_cmap_iter_init,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 5 */
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.lib_handler_fn = message_handler_req_lib_cmap_iter_next,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 6 */
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.lib_handler_fn = message_handler_req_lib_cmap_iter_finalize,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 7 */
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.lib_handler_fn = message_handler_req_lib_cmap_track_add,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 8 */
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.lib_handler_fn = message_handler_req_lib_cmap_track_delete,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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{ /* 9 */
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.lib_handler_fn = message_handler_req_lib_cmap_set_current_map,
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED
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},
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};
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static struct corosync_exec_handler cmap_exec_engine[] =
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{
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{ /* 0 - MESSAGE_REQ_EXEC_CMAP_MCAST */
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.exec_handler_fn = message_handler_req_exec_cmap_mcast,
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.exec_endian_convert_fn = exec_cmap_mcast_endian_convert
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},
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};
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struct corosync_service_engine cmap_service_engine = {
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.name = "corosync configuration map access",
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.id = CMAP_SERVICE,
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.priority = 1,
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.private_data_size = sizeof(struct cmap_conn_info),
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.flow_control = CS_LIB_FLOW_CONTROL_NOT_REQUIRED,
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.allow_inquorate = CS_LIB_ALLOW_INQUORATE,
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.lib_init_fn = cmap_lib_init_fn,
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.lib_exit_fn = cmap_lib_exit_fn,
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.lib_engine = cmap_lib_engine,
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.lib_engine_count = sizeof (cmap_lib_engine) / sizeof (struct corosync_lib_handler),
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.exec_init_fn = cmap_exec_init_fn,
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.exec_exit_fn = cmap_exec_exit_fn,
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.exec_engine = cmap_exec_engine,
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.exec_engine_count = sizeof (cmap_exec_engine) / sizeof (struct corosync_exec_handler),
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.sync_init = cmap_sync_init,
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.sync_process = cmap_sync_process,
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.sync_activate = cmap_sync_activate,
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.sync_abort = cmap_sync_abort
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};
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struct corosync_service_engine *cmap_get_service_engine_ver0 (void)
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{
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return (&cmap_service_engine);
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}
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struct req_exec_cmap_mcast_item {
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mar_name_t key_name __attribute__((aligned(8)));
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mar_uint8_t value_type __attribute__((aligned(8)));
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mar_size_t value_len __attribute__((aligned(8)));
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uint8_t value[] __attribute__((aligned(8)));
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};
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struct req_exec_cmap_mcast {
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struct qb_ipc_request_header header __attribute__((aligned(8)));
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mar_uint8_t reason __attribute__((aligned(8)));
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mar_uint8_t no_items __attribute__((aligned(8)));
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mar_uint8_t reserved1 __attribute__((aligned(8)));
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mar_uint8_t reserver2 __attribute__((aligned(8)));
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/*
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* Following are array of req_exec_cmap_mcast_item alligned to 8 bytes
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*/
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};
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static size_t cmap_sync_trans_list_entries = 0;
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static size_t cmap_sync_member_list_entries = 0;
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static uint64_t cmap_highest_config_version_received = 0;
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static uint64_t cmap_my_config_version = 0;
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static int cmap_first_sync = 1;
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static icmap_track_t cmap_config_version_track;
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static void cmap_config_version_track_cb(
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int32_t event,
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const char *key_name,
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struct icmap_notify_value new_value,
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struct icmap_notify_value old_value,
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void *user_data)
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{
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const char *key = "totem.config_version";
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cs_error_t ret;
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ENTER();
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if (icmap_get_uint64("totem.config_version", &cmap_my_config_version) != CS_OK) {
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cmap_my_config_version = 0;
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}
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ret = cmap_mcast_send(CMAP_MCAST_REASON_NEW_CONFIG_VERSION, 1, (char **)&key);
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if (ret != CS_OK) {
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log_printf(LOGSYS_LEVEL_ERROR, "Can't inform other nodes about new config version");
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}
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LEAVE();
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}
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static int cmap_exec_exit_fn(void)
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{
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if (icmap_track_delete(cmap_config_version_track) != CS_OK) {
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log_printf(LOGSYS_LEVEL_ERROR, "Can't delete config_version icmap tracker");
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}
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return 0;
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}
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static char *cmap_exec_init_fn (
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struct corosync_api_v1 *corosync_api)
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{
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cs_error_t ret;
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api = corosync_api;
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ret = icmap_track_add("totem.config_version",
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ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY,
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cmap_config_version_track_cb,
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NULL,
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&cmap_config_version_track);
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if (ret != CS_OK) {
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return ((char *)"Can't add config_version icmap tracker");
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}
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return (NULL);
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}
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static int cmap_lib_init_fn (void *conn)
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{
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struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
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log_printf(LOGSYS_LEVEL_DEBUG, "lib_init_fn: conn=%p", conn);
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api->ipc_refcnt_inc(conn);
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memset(conn_info, 0, sizeof(*conn_info));
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conn_info->map_fns = icmap_map;
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hdb_create(&conn_info->iter_db);
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hdb_create(&conn_info->track_db);
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return (0);
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}
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static int cmap_lib_exit_fn (void *conn)
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{
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struct cmap_conn_info *conn_info = (struct cmap_conn_info *)api->ipc_private_data_get (conn);
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hdb_handle_t iter_handle = 0;
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icmap_iter_t *iter;
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hdb_handle_t track_handle = 0;
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icmap_track_t *track;
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log_printf(LOGSYS_LEVEL_DEBUG, "exit_fn for conn=%p", conn);
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hdb_iterator_reset(&conn_info->iter_db);
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while (hdb_iterator_next(&conn_info->iter_db,
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(void*)&iter, &iter_handle) == 0) {
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conn_info->map_fns.map_iter_finalize(*iter);
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(void)hdb_handle_put (&conn_info->iter_db, iter_handle);
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}
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hdb_destroy(&conn_info->iter_db);
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hdb_iterator_reset(&conn_info->track_db);
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while (hdb_iterator_next(&conn_info->track_db,
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(void*)&track, &track_handle) == 0) {
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free(conn_info->map_fns.map_track_get_user_data(*track));
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conn_info->map_fns.map_track_delete(*track);
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(void)hdb_handle_put (&conn_info->track_db, track_handle);
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}
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hdb_destroy(&conn_info->track_db);
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api->ipc_refcnt_dec(conn);
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return (0);
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}
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static void cmap_sync_init (
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const unsigned int *trans_list,
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size_t trans_list_entries,
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const unsigned int *member_list,
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size_t member_list_entries,
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const struct memb_ring_id *ring_id)
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{
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cmap_sync_trans_list_entries = trans_list_entries;
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cmap_sync_member_list_entries = member_list_entries;
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if (icmap_get_uint64("totem.config_version", &cmap_my_config_version) != CS_OK) {
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cmap_my_config_version = 0;
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}
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cmap_highest_config_version_received = cmap_my_config_version;
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}
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static int cmap_sync_process (void)
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{
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const char *key = "totem.config_version";
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cs_error_t ret;
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ret = cmap_mcast_send(CMAP_MCAST_REASON_SYNC, 1, (char **)&key);
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return (ret == CS_OK ? 0 : -1);
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}
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static void cmap_sync_activate (void)
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{
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if (cmap_sync_trans_list_entries == 0) {
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log_printf(LOGSYS_LEVEL_DEBUG, "Single node sync -> no action");
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return ;
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}
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if (cmap_first_sync == 1) {
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cmap_first_sync = 0;
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} else {
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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);
|
|
}
|
|
}
|