37 #include <sys/types.h> 46 #include <qb/qbloop.h> 47 #include <qb/qbipc_common.h> 62 #define MAX_REQ_EXEC_CMAP_MCAST_ITEMS 32 63 #define ICMAP_VALUETYPE_NOT_EXIST 0 91 static int cmap_exec_exit_fn(
void);
93 static int cmap_lib_init_fn (
void *conn);
94 static int cmap_lib_exit_fn (
void *conn);
96 static void message_handler_req_lib_cmap_set(
void *conn,
const void *message);
97 static void message_handler_req_lib_cmap_delete(
void *conn,
const void *message);
98 static void message_handler_req_lib_cmap_get(
void *conn,
const void *message);
99 static void message_handler_req_lib_cmap_adjust_int(
void *conn,
const void *message);
100 static void message_handler_req_lib_cmap_iter_init(
void *conn,
const void *message);
101 static void message_handler_req_lib_cmap_iter_next(
void *conn,
const void *message);
102 static void message_handler_req_lib_cmap_iter_finalize(
void *conn,
const void *message);
103 static void message_handler_req_lib_cmap_track_add(
void *conn,
const void *message);
104 static void message_handler_req_lib_cmap_track_delete(
void *conn,
const void *message);
106 static void cmap_notify_fn(int32_t event,
107 const char *key_name,
112 static void message_handler_req_exec_cmap_mcast(
116 static void exec_cmap_mcast_endian_convert(
void *message);
127 static void cmap_sync_init (
128 const unsigned int *trans_list,
129 size_t trans_list_entries,
130 const unsigned int *member_list,
131 size_t member_list_entries,
134 static int cmap_sync_process (
void);
135 static void cmap_sync_activate (
void);
136 static void cmap_sync_abort (
void);
138 static void cmap_config_version_track_cb(
140 const char *key_name,
155 .lib_handler_fn = message_handler_req_lib_cmap_delete,
159 .lib_handler_fn = message_handler_req_lib_cmap_get,
163 .lib_handler_fn = message_handler_req_lib_cmap_adjust_int,
167 .lib_handler_fn = message_handler_req_lib_cmap_iter_init,
171 .lib_handler_fn = message_handler_req_lib_cmap_iter_next,
175 .lib_handler_fn = message_handler_req_lib_cmap_iter_finalize,
179 .lib_handler_fn = message_handler_req_lib_cmap_track_add,
183 .lib_handler_fn = message_handler_req_lib_cmap_track_delete,
192 .exec_endian_convert_fn = exec_cmap_mcast_endian_convert
197 .
name =
"corosync configuration map access",
203 .lib_init_fn = cmap_lib_init_fn,
204 .lib_exit_fn = cmap_lib_exit_fn,
205 .lib_engine = cmap_lib_engine,
207 .exec_init_fn = cmap_exec_init_fn,
208 .exec_exit_fn = cmap_exec_exit_fn,
209 .exec_engine = cmap_exec_engine,
211 .sync_init = cmap_sync_init,
212 .sync_process = cmap_sync_process,
213 .sync_activate = cmap_sync_activate,
214 .sync_abort = cmap_sync_abort
219 return (&cmap_service_engine);
230 struct qb_ipc_request_header header __attribute__((aligned(8)));
240 static size_t cmap_sync_trans_list_entries = 0;
241 static size_t cmap_sync_member_list_entries = 0;
242 static uint64_t cmap_highest_config_version_received = 0;
243 static uint64_t cmap_my_config_version = 0;
244 static int cmap_first_sync = 1;
247 static void cmap_config_version_track_cb(
249 const char *key_name,
254 const char *key =
"totem.config_version";
260 cmap_my_config_version = 0;
272 static int cmap_exec_exit_fn(
void)
282 static char *cmap_exec_init_fn (
291 cmap_config_version_track_cb,
293 &cmap_config_version_track);
296 return ((
char *)
"Can't add config_version icmap tracker");
302 static int cmap_lib_init_fn (
void *conn)
310 memset(conn_info, 0,
sizeof(*conn_info));
311 hdb_create(&conn_info->
iter_db);
317 static int cmap_lib_exit_fn (
void *conn)
327 hdb_iterator_reset(&conn_info->
iter_db);
328 while (hdb_iterator_next(&conn_info->
iter_db,
329 (
void*)&iter, &iter_handle) == 0) {
333 (void)hdb_handle_put (&conn_info->
iter_db, iter_handle);
336 hdb_destroy(&conn_info->
iter_db);
338 hdb_iterator_reset(&conn_info->
track_db);
339 while (hdb_iterator_next(&conn_info->
track_db,
340 (
void*)&track, &track_handle) == 0) {
346 (void)hdb_handle_put (&conn_info->
track_db, track_handle);
355 static void cmap_sync_init (
356 const unsigned int *trans_list,
357 size_t trans_list_entries,
358 const unsigned int *member_list,
359 size_t member_list_entries,
363 cmap_sync_trans_list_entries = trans_list_entries;
364 cmap_sync_member_list_entries = member_list_entries;
365 cmap_highest_config_version_received = 0;
368 cmap_my_config_version = 0;
372 static int cmap_sync_process (
void)
374 const char *key =
"totem.config_version";
379 return (ret ==
CS_OK ? 0 : -1);
382 static void cmap_sync_activate (
void)
385 if (cmap_sync_trans_list_entries == 0) {
391 if (cmap_first_sync == 1) {
399 if (cmap_my_config_version == 0) {
405 if (cmap_highest_config_version_received == 0) {
412 if (cmap_highest_config_version_received != cmap_my_config_version) {
414 "Received config version (%"PRIu64
") is different than my config version (%"PRIu64
")! Exiting",
415 cmap_highest_config_version_received, cmap_my_config_version);
421 static void cmap_sync_abort (
void)
427 static void message_handler_req_lib_cmap_set(
void *conn,
const void *message)
436 ret =
icmap_set((
char *)req_lib_cmap_set->key_name.value, &req_lib_cmap_set->value,
437 req_lib_cmap_set->value_len, req_lib_cmap_set->type);
440 memset(&res_lib_cmap_set, 0,
sizeof(res_lib_cmap_set));
441 res_lib_cmap_set.header.size =
sizeof(res_lib_cmap_set);
443 res_lib_cmap_set.header.error = ret;
448 static void message_handler_req_lib_cmap_delete(
void *conn,
const void *message)
457 ret =
icmap_delete((
char *)req_lib_cmap_set->key_name.value);
460 memset(&res_lib_cmap_delete, 0,
sizeof(res_lib_cmap_delete));
461 res_lib_cmap_delete.header.size =
sizeof(res_lib_cmap_delete);
463 res_lib_cmap_delete.header.error = ret;
468 static void message_handler_req_lib_cmap_get(
void *conn,
const void *message)
472 struct res_lib_cmap_get error_res_lib_cmap_get;
475 size_t res_lib_cmap_get_size;
479 value_len = req_lib_cmap_get->value_len;
481 res_lib_cmap_get_size =
sizeof(*res_lib_cmap_get) + value_len;
482 res_lib_cmap_get = malloc(res_lib_cmap_get_size);
483 if (res_lib_cmap_get == NULL) {
488 memset(res_lib_cmap_get, 0, res_lib_cmap_get_size);
491 value = res_lib_cmap_get->value;
496 ret =
icmap_get((
char *)req_lib_cmap_get->key_name.value,
502 free(res_lib_cmap_get);
506 res_lib_cmap_get->header.size = res_lib_cmap_get_size;
508 res_lib_cmap_get->header.error = ret;
509 res_lib_cmap_get->type =
type;
510 res_lib_cmap_get->value_len = value_len;
513 free(res_lib_cmap_get);
518 memset(&error_res_lib_cmap_get, 0,
sizeof(error_res_lib_cmap_get));
519 error_res_lib_cmap_get.header.size =
sizeof(error_res_lib_cmap_get);
521 error_res_lib_cmap_get.header.error = ret;
523 api->
ipc_response_send(conn, &error_res_lib_cmap_get,
sizeof(error_res_lib_cmap_get));
526 static void message_handler_req_lib_cmap_adjust_int(
void *conn,
const void *message)
532 if (
icmap_is_key_ro((
char *)req_lib_cmap_adjust_int->key_name.value)) {
536 req_lib_cmap_adjust_int->step);
539 memset(&res_lib_cmap_adjust_int, 0,
sizeof(res_lib_cmap_adjust_int));
540 res_lib_cmap_adjust_int.header.size =
sizeof(res_lib_cmap_adjust_int);
542 res_lib_cmap_adjust_int.header.error = ret;
544 api->
ipc_response_send(conn, &res_lib_cmap_adjust_int,
sizeof(res_lib_cmap_adjust_int));
547 static void message_handler_req_lib_cmap_iter_init(
void *conn,
const void *message)
558 if (req_lib_cmap_iter_init->prefix.length > 0) {
559 prefix = (
char *)req_lib_cmap_iter_init->prefix.value;
582 (void)hdb_handle_put (&conn_info->
iter_db, handle);
585 memset(&res_lib_cmap_iter_init, 0,
sizeof(res_lib_cmap_iter_init));
586 res_lib_cmap_iter_init.header.size =
sizeof(res_lib_cmap_iter_init);
588 res_lib_cmap_iter_init.header.error = ret;
589 res_lib_cmap_iter_init.iter_handle = handle;
591 api->
ipc_response_send(conn, &res_lib_cmap_iter_init,
sizeof(res_lib_cmap_iter_init));
594 static void message_handler_req_lib_cmap_iter_next(
void *conn,
const void *message)
600 size_t value_len = 0;
602 const char *res = NULL;
606 req_lib_cmap_iter_next->iter_handle, (
void *)&iter));
616 (void)hdb_handle_put (&conn_info->
iter_db, req_lib_cmap_iter_next->iter_handle);
619 memset(&res_lib_cmap_iter_next, 0,
sizeof(res_lib_cmap_iter_next));
620 res_lib_cmap_iter_next.header.size =
sizeof(res_lib_cmap_iter_next);
622 res_lib_cmap_iter_next.header.error = ret;
625 res_lib_cmap_iter_next.value_len = value_len;
626 res_lib_cmap_iter_next.type =
type;
628 memcpy(res_lib_cmap_iter_next.key_name.value, res, strlen(res));
629 res_lib_cmap_iter_next.key_name.length = strlen(res);
632 api->
ipc_response_send(conn, &res_lib_cmap_iter_next,
sizeof(res_lib_cmap_iter_next));
635 static void message_handler_req_lib_cmap_iter_finalize(
void *conn,
const void *message)
644 req_lib_cmap_iter_finalize->iter_handle, (
void *)&iter));
651 (void)hdb_handle_destroy(&conn_info->
iter_db, req_lib_cmap_iter_finalize->iter_handle);
653 (void)hdb_handle_put (&conn_info->
iter_db, req_lib_cmap_iter_finalize->iter_handle);
656 memset(&res_lib_cmap_iter_finalize, 0,
sizeof(res_lib_cmap_iter_finalize));
657 res_lib_cmap_iter_finalize.header.size =
sizeof(res_lib_cmap_iter_finalize);
659 res_lib_cmap_iter_finalize.header.error = ret;
661 api->
ipc_response_send(conn, &res_lib_cmap_iter_finalize,
sizeof(res_lib_cmap_iter_finalize));
664 static void cmap_notify_fn(int32_t event,
665 const char *key_name,
674 memset(&res_lib_cmap_notify_callback, 0,
sizeof(res_lib_cmap_notify_callback));
676 res_lib_cmap_notify_callback.header.size =
sizeof(res_lib_cmap_notify_callback) + new_val.
len + old_val.
len;
678 res_lib_cmap_notify_callback.header.error =
CS_OK;
680 res_lib_cmap_notify_callback.new_value_type = new_val.
type;
681 res_lib_cmap_notify_callback.old_value_type = old_val.
type;
682 res_lib_cmap_notify_callback.new_value_len = new_val.
len;
683 res_lib_cmap_notify_callback.old_value_len = old_val.
len;
684 res_lib_cmap_notify_callback.event = event;
685 res_lib_cmap_notify_callback.key_name.length = strlen(key_name);
686 res_lib_cmap_notify_callback.track_inst_handle = cmap_track_user_data->
track_inst_handle;
688 memcpy(res_lib_cmap_notify_callback.key_name.value, key_name, strlen(key_name));
690 iov[0].iov_base = (
char *)&res_lib_cmap_notify_callback;
691 iov[0].iov_len =
sizeof(res_lib_cmap_notify_callback);
692 iov[1].iov_base = (
char *)new_val.
data;
693 iov[1].iov_len = new_val.
len;
694 iov[2].iov_base = (
char *)old_val.
data;
695 iov[2].iov_len = old_val.
len;
700 static void message_handler_req_lib_cmap_track_add(
void *conn,
const void *message)
709 const char *key_name;
713 cmap_track_user_data = malloc(
sizeof(*cmap_track_user_data));
714 if (cmap_track_user_data == NULL) {
719 memset(cmap_track_user_data, 0,
sizeof(*cmap_track_user_data));
721 if (req_lib_cmap_track_add->key_name.length > 0) {
722 key_name = (
char *)req_lib_cmap_track_add->key_name.value;
728 req_lib_cmap_track_add->track_type,
730 cmap_track_user_data,
733 free(cmap_track_user_data);
740 free(cmap_track_user_data);
747 free(cmap_track_user_data);
753 cmap_track_user_data->
conn = conn;
755 cmap_track_user_data->
track_inst_handle = req_lib_cmap_track_add->track_inst_handle;
757 (void)hdb_handle_put (&conn_info->
track_db, handle);
760 memset(&res_lib_cmap_track_add, 0,
sizeof(res_lib_cmap_track_add));
761 res_lib_cmap_track_add.header.size =
sizeof(res_lib_cmap_track_add);
763 res_lib_cmap_track_add.header.error = ret;
764 res_lib_cmap_track_add.track_handle = handle;
766 api->
ipc_response_send(conn, &res_lib_cmap_track_add,
sizeof(res_lib_cmap_track_add));
769 static void message_handler_req_lib_cmap_track_delete(
void *conn,
const void *message)
776 uint64_t track_inst_handle = 0;
779 req_lib_cmap_track_delete->track_handle, (
void *)&track));
790 (void)hdb_handle_put (&conn_info->
track_db, req_lib_cmap_track_delete->track_handle);
791 (void)hdb_handle_destroy(&conn_info->
track_db, req_lib_cmap_track_delete->track_handle);
794 memset(&res_lib_cmap_track_delete, 0,
sizeof(res_lib_cmap_track_delete));
795 res_lib_cmap_track_delete.header.size =
sizeof(res_lib_cmap_track_delete);
797 res_lib_cmap_track_delete.header.error = ret;
813 struct iovec req_exec_cmap_iovec[MAX_REQ_EXEC_CMAP_MCAST_ITEMS + 1];
817 if (argc > MAX_REQ_EXEC_CMAP_MCAST_ITEMS) {
821 memset(req_exec_cmap_iovec, 0,
sizeof(req_exec_cmap_iovec));
823 for (i = 0; i < argc; i++) {
824 err =
icmap_get(argv[i], NULL, &value_len, &value_type);
835 item = malloc(item_len);
839 memset(item, 0, item_len);
841 item->value_type = value_type;
842 item->value_len = value_len;
843 item->key_name.length = strlen(argv[i]);
844 strcpy((
char *)item->key_name.value, argv[i]);
847 err =
icmap_get(argv[i], item->value, &value_len, &value_type);
853 req_exec_cmap_iovec[i + 1].iov_base = item;
854 req_exec_cmap_iovec[i + 1].iov_len = item_len;
857 qb_log(LOG_TRACE,
"Item %u - type %u, len %zu", i, item->value_type, item->value_len);
862 memset(&req_exec_cmap_mcast, 0,
sizeof(req_exec_cmap_mcast));
863 req_exec_cmap_mcast.header.size =
sizeof(req_exec_cmap_mcast) + msg_len;
864 req_exec_cmap_mcast.reason = reason;
865 req_exec_cmap_mcast.no_items = argc;
866 req_exec_cmap_iovec[0].iov_base = &req_exec_cmap_mcast;
867 req_exec_cmap_iovec[0].iov_len =
sizeof(req_exec_cmap_mcast);
869 qb_log(LOG_TRACE,
"Sending %u items (%u iovec) for reason %u", argc, argc + 1, reason);
873 for (i = 0; i < argc; i++) {
874 free(req_exec_cmap_iovec[i + 1].iov_base);
893 p = (
const char *)message +
sizeof(*req_exec_cmap_mcast);
895 for (i = 0; i < req_exec_cmap_mcast->no_items; i++) {
898 key_name_len = item->key_name.length;
899 if (strlen(key) == key_name_len && strcmp((
char *)item->key_name.value, key) == 0) {
909 static void message_handler_req_exec_cmap_mcast_reason_sync_nv(
915 uint64_t config_version = 0;
921 item = cmap_mcast_item_find(message, (
char *)
"totem.config_version");
923 value_len = item->value_len;
930 memcpy(&config_version, item->value, value_len);
934 qb_log(LOG_TRACE,
"Received config version %"PRIu64
" from node %x", config_version, nodeid);
937 config_version > cmap_highest_config_version_received) {
938 cmap_highest_config_version_received = config_version;
942 "runtime.totem.pg.mrp.srp.members.%u.config_version", nodeid);
948 static void message_handler_req_exec_cmap_mcast(
956 switch (req_exec_cmap_mcast->reason) {
958 message_handler_req_exec_cmap_mcast_reason_sync_nv(req_exec_cmap_mcast->reason,
963 message_handler_req_exec_cmap_mcast_reason_sync_nv(req_exec_cmap_mcast->reason,
968 qb_log(LOG_TRACE,
"Received mcast with unknown reason %u", req_exec_cmap_mcast->reason);
974 static void exec_cmap_mcast_endian_convert(
void *message)
986 swab_coroipc_request_header_t(&req_exec_cmap_mcast->header);
988 p = (
const char *)message +
sizeof(*req_exec_cmap_mcast);
990 for (i = 0; i < req_exec_cmap_mcast->no_items; i++) {
993 swab_mar_uint16_t(&item->key_name.length);
994 swab_mar_size_t(&item->value_len);
996 switch (item->value_type) {
999 memcpy(&u16, item->value,
sizeof(u16));
1001 memcpy(item->value, &u16,
sizeof(u16));
1005 memcpy(&u32, item->value,
sizeof(u32));
1007 memcpy(item->value, &u32,
sizeof(u32));
1011 memcpy(&u64, item->value,
sizeof(u64));
1013 memcpy(item->value, &u64,
sizeof(u64));
1016 memcpy(&flt, item->value,
sizeof(flt));
1018 memcpy(item->value, &flt,
sizeof(flt));
1021 memcpy(&dbl, item->value,
sizeof(dbl));
1023 memcpy(item->value, &dbl,
sizeof(dbl));
void *(* ipc_private_data_get)(void *conn)
The res_lib_cmap_track_add struct.
uint64_t track_inst_handle
The res_lib_cmap_iter_finalize struct.
void * icmap_track_get_user_data(icmap_track_t icmap_track)
Return user data associated with given track.
#define ICMAP_VALUETYPE_NOT_EXIST
cs_error_t hdb_error_to_cs(int res)
const char * icmap_iter_next(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type)
Return next item in iterator iter.
cs_error_t icmap_adjust_int(const char *key_name, int32_t step)
icmap_adjust_int
The corosync_service_engine struct.
void icmap_iter_finalize(icmap_iter_t iter)
Finalize iterator.
struct corosync_service_engine cmap_service_engine
uint64_t cmap_iter_handle_t
cs_error_t icmap_set(const char *key_name, const void *value, size_t value_len, icmap_value_types_t type)
Store value with value_len length and type as key_name name in global icmap.
void(* shutdown_request)(void)
The res_lib_cmap_iter_next struct.
int(* ipc_dispatch_iov_send)(void *conn, const struct iovec *iov, unsigned int iov_len)
int(* ipc_response_send)(void *conn, const void *msg, size_t mlen)
#define MAR_ALIGN_UP(addr, size)
The res_lib_cmap_adjust_int struct.
The req_lib_cmap_iter_finalize struct.
The corosync_lib_handler struct.
cmap_track_handle_t track_handle
The corosync_exec_handler struct.
The req_lib_cmap_iter_next struct.
int(* totem_mcast)(const struct iovec *iovec, unsigned int iov_len, unsigned int guarantee)
#define log_printf(level, format, args...)
void(* exec_handler_fn)(const void *msg, unsigned int nodeid)
#define swab64(x)
The swab64 macro.
#define ICMAP_TRACK_DELETE
#define ICMAP_KEYNAME_MAXLEN
Maximum length of key in icmap.
The res_lib_cmap_iter_init struct.
#define ICMAP_TRACK_MODIFY
The req_lib_cmap_track_add struct.
uint64_t cmap_track_handle_t
The res_lib_cmap_notify_callback struct.
unsigned int(* totem_nodeid_get)(void)
mar_uint64_t mar_size_t
mar_size_t
void(* ipc_refcnt_dec)(void *conn)
LOGSYS_DECLARE_SUBSYS("CMAP")
#define LOGSYS_LEVEL_ERROR
cs_error_t icmap_delete(const char *key_name)
Delete key from map.
cs_error_t icmap_get(const char *key_name, void *value, size_t *value_len, icmap_value_types_t *type)
Retrieve value of key key_name and store it in user preallocated value pointer.
cs_error_t
The cs_error_t enum.
cs_error_t icmap_track_delete(icmap_track_t icmap_track)
Remove previously added track.
#define LOGSYS_LEVEL_DEBUG
uint64_t cmap_track_handle_t
struct hdb_handle_database iter_db
The corosync_api_v1 struct.
The res_lib_cmap_track_delete struct.
#define swab32(x)
The swab32 macro.
cs_error_t icmap_set_uint64(const char *key_name, uint64_t value)
int icmap_is_key_ro(const char *key_name)
Check in given key is read only.
struct corosync_service_engine * cmap_get_service_engine_ver0(void)
The res_lib_cmap_delete struct.
The req_lib_cmap_iter_init struct.
The req_lib_cmap_track_delete struct.
cs_error_t icmap_get_uint64(const char *key_name, uint64_t *u64)
#define swab16(x)
The swab16 macro.
uint64_t cmap_iter_handle_t
The res_lib_cmap_set struct.
The req_lib_cmap_adjust_int struct.
void(* lib_handler_fn)(void *conn, const void *msg)
The res_lib_cmap_get struct.
The req_lib_cmap_set struct.
icmap_iter_t icmap_iter_init(const char *prefix)
Initialize iterator with given prefix.
struct memb_ring_id ring_id
icmap_value_types_t
Possible types of value.
#define hdb_handle_database
qb_map_iter_t * icmap_iter_t
Itterator type.
The req_lib_cmap_get struct.
Structure passed as new_value and old_value in change callback.
cs_error_t icmap_track_add(const char *key_name, int32_t track_type, icmap_notify_fn_t notify_fn, void *user_data, icmap_track_t *icmap_track)
Add tracking function for given key_name.
struct hdb_handle_database track_db
void(* ipc_refcnt_inc)(void *conn)