2 Unix SMB/CIFS implementation.
3 Samba internal messaging functions
4 Copyright (C) Andrew Tridgell 2000
5 Copyright (C) 2001 by Martin Pool
6 Copyright (C) 2002 by Jeremy Allison
7 Copyright (C) 2007 by Volker Lendecke
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 @defgroup messages Internal messaging framework
28 @brief Module for internal messaging between Samba daemons.
30 The idea is that if a part of Samba wants to do communication with
31 another Samba process then it will do a message_register() of a
32 dispatch function, and use message_send_pid() to send messages to
35 The dispatch function is given the pid of the sender, and it can
36 use that to reply by message_send_pid(). See ping_message() for a
39 @caution Dispatch functions must be able to cope with incoming
40 messages on an *odd* byte boundary.
42 This system doesn't have any inherent size limitations but is not
43 very efficient for large messages or when messages are sent in very
49 #include "dbwrap/dbwrap.h"
52 #include "lib/util/tevent_unix.h"
53 #include "lib/background.h"
54 #include "lib/messages_dgm.h"
55 #include "lib/util/iov_buf.h"
56 #include "lib/util/server_id_db.h"
57 #include "lib/messages_dgm_ref.h"
58 #include "lib/messages_util.h"
60 struct messaging_callback {
61 struct messaging_callback *prev, *next;
63 void (*fn)(struct messaging_context *msg, void *private_data,
65 struct server_id server_id, DATA_BLOB *data);
69 struct messaging_context {
71 struct tevent_context *event_ctx;
72 struct messaging_callback *callbacks;
74 struct tevent_req **new_waiters;
75 unsigned num_new_waiters;
77 struct tevent_req **waiters;
81 struct messaging_backend *remote;
83 struct server_id_db *names_db;
86 static void messaging_dispatch_rec(struct messaging_context *msg_ctx,
87 struct messaging_rec *rec);
89 /****************************************************************************
90 A useful function for testing the message system.
91 ****************************************************************************/
93 static void ping_message(struct messaging_context *msg_ctx,
99 struct server_id_buf idbuf;
101 DEBUG(1, ("INFO: Received PING message from PID %s [%.*s]\n",
102 server_id_str_buf(src, &idbuf), (int)data->length,
103 data->data ? (char *)data->data : ""));
105 messaging_send(msg_ctx, src, MSG_PONG, data);
108 static void messaging_recv_cb(const uint8_t *msg, size_t msg_len,
109 int *fds, size_t num_fds,
112 struct messaging_context *msg_ctx = talloc_get_type_abort(
113 private_data, struct messaging_context);
114 struct server_id_buf idbuf;
115 struct messaging_rec rec;
116 int64_t fds64[MIN(num_fds, INT8_MAX)];
119 if (msg_len < MESSAGE_HDR_LENGTH) {
120 DBG_WARNING("message too short: %zu\n", msg_len);
124 if (num_fds > INT8_MAX) {
125 DBG_WARNING("too many fds: %zu\n", num_fds);
130 * "consume" the fds by copying them and setting
131 * the original variable to -1
133 for (i=0; i < num_fds; i++) {
138 rec = (struct messaging_rec) {
139 .msg_version = MESSAGE_VERSION,
140 .buf.data = discard_const_p(uint8_t, msg) + MESSAGE_HDR_LENGTH,
141 .buf.length = msg_len - MESSAGE_HDR_LENGTH,
146 message_hdr_get(&rec.msg_type, &rec.src, &rec.dest, msg);
148 DBG_DEBUG("Received message 0x%x len %zu (num_fds:%zu) from %s\n",
149 (unsigned)rec.msg_type, rec.buf.length, num_fds,
150 server_id_str_buf(rec.src, &idbuf));
152 messaging_dispatch_rec(msg_ctx, &rec);
156 for (i=0; i < num_fds; i++) {
161 static int messaging_context_destructor(struct messaging_context *ctx)
165 for (i=0; i<ctx->num_new_waiters; i++) {
166 if (ctx->new_waiters[i] != NULL) {
167 tevent_req_set_cleanup_fn(ctx->new_waiters[i], NULL);
168 ctx->new_waiters[i] = NULL;
171 for (i=0; i<ctx->num_waiters; i++) {
172 if (ctx->waiters[i] != NULL) {
173 tevent_req_set_cleanup_fn(ctx->waiters[i], NULL);
174 ctx->waiters[i] = NULL;
181 static const char *private_path(const char *name)
183 return talloc_asprintf(talloc_tos(), "%s/%s", lp_private_dir(), name);
186 struct messaging_context *messaging_init(TALLOC_CTX *mem_ctx,
187 struct tevent_context *ev)
189 struct messaging_context *ctx;
191 const char *lck_path;
192 const char *priv_path;
195 if (!(ctx = talloc_zero(mem_ctx, struct messaging_context))) {
199 ctx->id = (struct server_id) {
200 .pid = getpid(), .vnn = NONCLUSTER_VNN
207 lck_path = lock_path("msg.lock");
208 if (lck_path == NULL) {
213 ok = directory_create_or_exist_strict(lck_path, sec_initial_uid(),
216 DEBUG(10, ("%s: Could not create lock directory: %s\n",
217 __func__, strerror(errno)));
222 priv_path = private_path("msg.sock");
223 if (priv_path == NULL) {
228 ok = directory_create_or_exist_strict(priv_path, sec_initial_uid(),
231 DEBUG(10, ("%s: Could not create msg directory: %s\n",
232 __func__, strerror(errno)));
237 ctx->msg_dgm_ref = messaging_dgm_ref(
238 ctx, ctx->event_ctx, &ctx->id.unique_id,
239 priv_path, lck_path, messaging_recv_cb, ctx, &ret);
241 if (ctx->msg_dgm_ref == NULL) {
242 DEBUG(2, ("messaging_dgm_ref failed: %s\n", strerror(ret)));
247 talloc_set_destructor(ctx, messaging_context_destructor);
249 if (lp_clustering()) {
250 ret = messaging_ctdbd_init(ctx, ctx, &ctx->remote);
253 DEBUG(2, ("messaging_ctdbd_init failed: %s\n",
259 ctx->id.vnn = get_my_vnn();
261 ctx->names_db = server_id_db_init(
262 ctx, ctx->id, lp_lock_directory(), 0,
263 TDB_INCOMPATIBLE_HASH|TDB_CLEAR_IF_FIRST);
264 if (ctx->names_db == NULL) {
265 DEBUG(10, ("%s: server_id_db_init failed\n", __func__));
270 messaging_register(ctx, NULL, MSG_PING, ping_message);
272 /* Register some debugging related messages */
274 register_msg_pool_usage(ctx);
275 register_dmalloc_msgs(ctx);
276 debug_register_msgs(ctx);
279 struct server_id_buf tmp;
280 DBG_DEBUG("my id: %s\n", server_id_str_buf(ctx->id, &tmp));
286 struct server_id messaging_server_id(const struct messaging_context *msg_ctx)
292 * re-init after a fork
294 NTSTATUS messaging_reinit(struct messaging_context *msg_ctx)
299 TALLOC_FREE(msg_ctx->msg_dgm_ref);
301 msg_ctx->id = (struct server_id) {
302 .pid = getpid(), .vnn = msg_ctx->id.vnn
305 lck_path = lock_path("msg.lock");
306 if (lck_path == NULL) {
307 return NT_STATUS_NO_MEMORY;
310 msg_ctx->msg_dgm_ref = messaging_dgm_ref(
311 msg_ctx, msg_ctx->event_ctx, &msg_ctx->id.unique_id,
312 private_path("msg.sock"), lck_path,
313 messaging_recv_cb, msg_ctx, &ret);
315 if (msg_ctx->msg_dgm_ref == NULL) {
316 DEBUG(2, ("messaging_dgm_ref failed: %s\n", strerror(ret)));
317 return map_nt_error_from_unix(ret);
320 if (lp_clustering()) {
321 ret = messaging_ctdbd_reinit(msg_ctx, msg_ctx,
325 DEBUG(1, ("messaging_ctdbd_init failed: %s\n",
327 return map_nt_error_from_unix(ret);
331 server_id_db_reinit(msg_ctx->names_db, msg_ctx->id);
338 * Register a dispatch function for a particular message type. Allow multiple
341 NTSTATUS messaging_register(struct messaging_context *msg_ctx,
344 void (*fn)(struct messaging_context *msg,
347 struct server_id server_id,
350 struct messaging_callback *cb;
352 DEBUG(5, ("Registering messaging pointer for type %u - "
354 (unsigned)msg_type, private_data));
357 * Only one callback per type
360 for (cb = msg_ctx->callbacks; cb != NULL; cb = cb->next) {
361 /* we allow a second registration of the same message
362 type if it has a different private pointer. This is
363 needed in, for example, the internal notify code,
364 which creates a new notify context for each tree
365 connect, and expects to receive messages to each of
367 if (cb->msg_type == msg_type && private_data == cb->private_data) {
368 DEBUG(5,("Overriding messaging pointer for type %u - private_data=%p\n",
369 (unsigned)msg_type, private_data));
371 cb->private_data = private_data;
376 if (!(cb = talloc(msg_ctx, struct messaging_callback))) {
377 return NT_STATUS_NO_MEMORY;
380 cb->msg_type = msg_type;
382 cb->private_data = private_data;
384 DLIST_ADD(msg_ctx->callbacks, cb);
389 De-register the function for a particular message type.
391 void messaging_deregister(struct messaging_context *ctx, uint32_t msg_type,
394 struct messaging_callback *cb, *next;
396 for (cb = ctx->callbacks; cb; cb = next) {
398 if ((cb->msg_type == msg_type)
399 && (cb->private_data == private_data)) {
400 DEBUG(5,("Deregistering messaging pointer for type %u - private_data=%p\n",
401 (unsigned)msg_type, private_data));
402 DLIST_REMOVE(ctx->callbacks, cb);
409 Send a message to a particular server
411 NTSTATUS messaging_send(struct messaging_context *msg_ctx,
412 struct server_id server, uint32_t msg_type,
413 const DATA_BLOB *data)
415 struct iovec iov = {0};
418 iov.iov_base = data->data;
419 iov.iov_len = data->length;
422 return messaging_send_iov(msg_ctx, server, msg_type, &iov, 1, NULL, 0);
425 NTSTATUS messaging_send_buf(struct messaging_context *msg_ctx,
426 struct server_id server, uint32_t msg_type,
427 const uint8_t *buf, size_t len)
429 DATA_BLOB blob = data_blob_const(buf, len);
430 return messaging_send(msg_ctx, server, msg_type, &blob);
433 int messaging_send_iov_from(struct messaging_context *msg_ctx,
434 struct server_id src, struct server_id dst,
436 const struct iovec *iov, int iovlen,
437 const int *fds, size_t num_fds)
440 uint8_t hdr[MESSAGE_HDR_LENGTH];
441 struct iovec iov2[iovlen+1];
443 if (server_id_is_disconnected(&dst)) {
447 if (num_fds > INT8_MAX) {
451 if (dst.vnn != msg_ctx->id.vnn) {
456 ret = msg_ctx->remote->send_fn(src, dst,
457 msg_type, iov, iovlen,
463 message_hdr_put(hdr, msg_type, src, dst);
464 iov2[0] = (struct iovec){ .iov_base = hdr, .iov_len = sizeof(hdr) };
465 memcpy(&iov2[1], iov, iovlen * sizeof(*iov));
468 ret = messaging_dgm_send(dst.pid, iov2, iovlen+1, fds, num_fds);
474 NTSTATUS messaging_send_iov(struct messaging_context *msg_ctx,
475 struct server_id dst, uint32_t msg_type,
476 const struct iovec *iov, int iovlen,
477 const int *fds, size_t num_fds)
481 ret = messaging_send_iov_from(msg_ctx, msg_ctx->id, dst, msg_type,
482 iov, iovlen, fds, num_fds);
484 return map_nt_error_from_unix(ret);
489 static struct messaging_rec *messaging_rec_dup(TALLOC_CTX *mem_ctx,
490 struct messaging_rec *rec)
492 struct messaging_rec *result;
493 size_t fds_size = sizeof(int64_t) * rec->num_fds;
495 result = talloc_pooled_object(mem_ctx, struct messaging_rec, 2,
496 rec->buf.length + fds_size);
497 if (result == NULL) {
502 /* Doesn't fail, see talloc_pooled_object */
504 result->buf.data = talloc_memdup(result, rec->buf.data,
508 if (result->num_fds > 0) {
509 result->fds = talloc_memdup(result, rec->fds, fds_size);
515 struct messaging_filtered_read_state {
516 struct tevent_context *ev;
517 struct messaging_context *msg_ctx;
520 bool (*filter)(struct messaging_rec *rec, void *private_data);
523 struct messaging_rec *rec;
526 static void messaging_filtered_read_cleanup(struct tevent_req *req,
527 enum tevent_req_state req_state);
529 struct tevent_req *messaging_filtered_read_send(
530 TALLOC_CTX *mem_ctx, struct tevent_context *ev,
531 struct messaging_context *msg_ctx,
532 bool (*filter)(struct messaging_rec *rec, void *private_data),
535 struct tevent_req *req;
536 struct messaging_filtered_read_state *state;
537 size_t new_waiters_len;
539 req = tevent_req_create(mem_ctx, &state,
540 struct messaging_filtered_read_state);
545 state->msg_ctx = msg_ctx;
546 state->filter = filter;
547 state->private_data = private_data;
550 * We have to defer the callback here, as we might be called from
551 * within a different tevent_context than state->ev
553 tevent_req_defer_callback(req, state->ev);
555 state->tevent_handle = messaging_dgm_register_tevent_context(
557 if (tevent_req_nomem(state->tevent_handle, req)) {
558 return tevent_req_post(req, ev);
562 * We add ourselves to the "new_waiters" array, not the "waiters"
563 * array. If we are called from within messaging_read_done,
564 * messaging_dispatch_rec will be in an active for-loop on
565 * "waiters". We must be careful not to mess with this array, because
566 * it could mean that a single event is being delivered twice.
569 new_waiters_len = talloc_array_length(msg_ctx->new_waiters);
571 if (new_waiters_len == msg_ctx->num_new_waiters) {
572 struct tevent_req **tmp;
574 tmp = talloc_realloc(msg_ctx, msg_ctx->new_waiters,
575 struct tevent_req *, new_waiters_len+1);
576 if (tevent_req_nomem(tmp, req)) {
577 return tevent_req_post(req, ev);
579 msg_ctx->new_waiters = tmp;
582 msg_ctx->new_waiters[msg_ctx->num_new_waiters] = req;
583 msg_ctx->num_new_waiters += 1;
584 tevent_req_set_cleanup_fn(req, messaging_filtered_read_cleanup);
589 static void messaging_filtered_read_cleanup(struct tevent_req *req,
590 enum tevent_req_state req_state)
592 struct messaging_filtered_read_state *state = tevent_req_data(
593 req, struct messaging_filtered_read_state);
594 struct messaging_context *msg_ctx = state->msg_ctx;
597 tevent_req_set_cleanup_fn(req, NULL);
599 TALLOC_FREE(state->tevent_handle);
602 * Just set the [new_]waiters entry to NULL, be careful not to mess
603 * with the other "waiters" array contents. We are often called from
604 * within "messaging_dispatch_rec", which loops over
605 * "waiters". Messing with the "waiters" array will mess up that
609 for (i=0; i<msg_ctx->num_waiters; i++) {
610 if (msg_ctx->waiters[i] == req) {
611 msg_ctx->waiters[i] = NULL;
616 for (i=0; i<msg_ctx->num_new_waiters; i++) {
617 if (msg_ctx->new_waiters[i] == req) {
618 msg_ctx->new_waiters[i] = NULL;
624 static void messaging_filtered_read_done(struct tevent_req *req,
625 struct messaging_rec *rec)
627 struct messaging_filtered_read_state *state = tevent_req_data(
628 req, struct messaging_filtered_read_state);
630 state->rec = messaging_rec_dup(state, rec);
631 if (tevent_req_nomem(state->rec, req)) {
634 tevent_req_done(req);
637 int messaging_filtered_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
638 struct messaging_rec **presult)
640 struct messaging_filtered_read_state *state = tevent_req_data(
641 req, struct messaging_filtered_read_state);
644 if (tevent_req_is_unix_error(req, &err)) {
645 tevent_req_received(req);
648 *presult = talloc_move(mem_ctx, &state->rec);
652 struct messaging_read_state {
654 struct messaging_rec *rec;
657 static bool messaging_read_filter(struct messaging_rec *rec,
659 static void messaging_read_done(struct tevent_req *subreq);
661 struct tevent_req *messaging_read_send(TALLOC_CTX *mem_ctx,
662 struct tevent_context *ev,
663 struct messaging_context *msg,
666 struct tevent_req *req, *subreq;
667 struct messaging_read_state *state;
669 req = tevent_req_create(mem_ctx, &state,
670 struct messaging_read_state);
674 state->msg_type = msg_type;
676 subreq = messaging_filtered_read_send(state, ev, msg,
677 messaging_read_filter, state);
678 if (tevent_req_nomem(subreq, req)) {
679 return tevent_req_post(req, ev);
681 tevent_req_set_callback(subreq, messaging_read_done, req);
685 static bool messaging_read_filter(struct messaging_rec *rec,
688 struct messaging_read_state *state = talloc_get_type_abort(
689 private_data, struct messaging_read_state);
691 if (rec->num_fds != 0) {
695 return rec->msg_type == state->msg_type;
698 static void messaging_read_done(struct tevent_req *subreq)
700 struct tevent_req *req = tevent_req_callback_data(
701 subreq, struct tevent_req);
702 struct messaging_read_state *state = tevent_req_data(
703 req, struct messaging_read_state);
706 ret = messaging_filtered_read_recv(subreq, state, &state->rec);
708 if (tevent_req_error(req, ret)) {
711 tevent_req_done(req);
714 int messaging_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
715 struct messaging_rec **presult)
717 struct messaging_read_state *state = tevent_req_data(
718 req, struct messaging_read_state);
721 if (tevent_req_is_unix_error(req, &err)) {
724 if (presult != NULL) {
725 *presult = talloc_move(mem_ctx, &state->rec);
730 struct messaging_handler_state {
731 struct tevent_context *ev;
732 struct messaging_context *msg_ctx;
734 bool (*handler)(struct messaging_context *msg_ctx,
735 struct messaging_rec **rec, void *private_data);
739 static void messaging_handler_got_msg(struct tevent_req *subreq);
741 struct tevent_req *messaging_handler_send(
742 TALLOC_CTX *mem_ctx, struct tevent_context *ev,
743 struct messaging_context *msg_ctx, uint32_t msg_type,
744 bool (*handler)(struct messaging_context *msg_ctx,
745 struct messaging_rec **rec, void *private_data),
748 struct tevent_req *req, *subreq;
749 struct messaging_handler_state *state;
751 req = tevent_req_create(mem_ctx, &state,
752 struct messaging_handler_state);
757 state->msg_ctx = msg_ctx;
758 state->msg_type = msg_type;
759 state->handler = handler;
760 state->private_data = private_data;
762 subreq = messaging_read_send(state, state->ev, state->msg_ctx,
764 if (tevent_req_nomem(subreq, req)) {
765 return tevent_req_post(req, ev);
767 tevent_req_set_callback(subreq, messaging_handler_got_msg, req);
771 static void messaging_handler_got_msg(struct tevent_req *subreq)
773 struct tevent_req *req = tevent_req_callback_data(
774 subreq, struct tevent_req);
775 struct messaging_handler_state *state = tevent_req_data(
776 req, struct messaging_handler_state);
777 struct messaging_rec *rec;
781 ret = messaging_read_recv(subreq, state, &rec);
783 if (tevent_req_error(req, ret)) {
787 subreq = messaging_read_send(state, state->ev, state->msg_ctx,
789 if (tevent_req_nomem(subreq, req)) {
792 tevent_req_set_callback(subreq, messaging_handler_got_msg, req);
794 ok = state->handler(state->msg_ctx, &rec, state->private_data);
803 tevent_req_done(req);
806 int messaging_handler_recv(struct tevent_req *req)
808 return tevent_req_simple_recv_unix(req);
811 static bool messaging_append_new_waiters(struct messaging_context *msg_ctx)
813 if (msg_ctx->num_new_waiters == 0) {
817 if (talloc_array_length(msg_ctx->waiters) <
818 (msg_ctx->num_waiters + msg_ctx->num_new_waiters)) {
819 struct tevent_req **tmp;
820 tmp = talloc_realloc(
821 msg_ctx, msg_ctx->waiters, struct tevent_req *,
822 msg_ctx->num_waiters + msg_ctx->num_new_waiters);
824 DEBUG(1, ("%s: talloc failed\n", __func__));
827 msg_ctx->waiters = tmp;
830 memcpy(&msg_ctx->waiters[msg_ctx->num_waiters], msg_ctx->new_waiters,
831 sizeof(struct tevent_req *) * msg_ctx->num_new_waiters);
833 msg_ctx->num_waiters += msg_ctx->num_new_waiters;
834 msg_ctx->num_new_waiters = 0;
840 Dispatch one messaging_rec
842 static void messaging_dispatch_rec(struct messaging_context *msg_ctx,
843 struct messaging_rec *rec)
845 struct messaging_callback *cb, *next;
849 for (cb = msg_ctx->callbacks; cb != NULL; cb = next) {
851 if (cb->msg_type != rec->msg_type) {
856 * the old style callbacks don't support fd passing
858 for (j=0; j < rec->num_fds; j++) {
859 int fd = rec->fds[j];
865 cb->fn(msg_ctx, cb->private_data, rec->msg_type,
866 rec->src, &rec->buf);
869 * we continue looking for matching messages after finding
870 * one. This matters for subsystems like the internal notify
871 * code which register more than one handler for the same
876 if (!messaging_append_new_waiters(msg_ctx)) {
877 for (j=0; j < rec->num_fds; j++) {
878 int fd = rec->fds[j];
887 while (i < msg_ctx->num_waiters) {
888 struct tevent_req *req;
889 struct messaging_filtered_read_state *state;
891 req = msg_ctx->waiters[i];
894 * This got cleaned up. In the meantime,
895 * move everything down one. We need
896 * to keep the order of waiters, as
897 * other code may depend on this.
899 if (i < msg_ctx->num_waiters - 1) {
900 memmove(&msg_ctx->waiters[i],
901 &msg_ctx->waiters[i+1],
902 sizeof(struct tevent_req *) *
903 (msg_ctx->num_waiters - i - 1));
905 msg_ctx->num_waiters -= 1;
909 state = tevent_req_data(
910 req, struct messaging_filtered_read_state);
911 if (state->filter(rec, state->private_data)) {
912 messaging_filtered_read_done(req, rec);
915 * Only the first one gets the fd-array
925 * If the fd-array isn't used, just close it.
927 for (j=0; j < rec->num_fds; j++) {
928 int fd = rec->fds[j];
935 static int mess_parent_dgm_cleanup(void *private_data);
936 static void mess_parent_dgm_cleanup_done(struct tevent_req *req);
938 bool messaging_parent_dgm_cleanup_init(struct messaging_context *msg)
940 struct tevent_req *req;
942 req = background_job_send(
943 msg, msg->event_ctx, msg, NULL, 0,
944 lp_parm_int(-1, "messaging", "messaging dgm cleanup interval",
946 mess_parent_dgm_cleanup, msg);
950 tevent_req_set_callback(req, mess_parent_dgm_cleanup_done, msg);
954 static int mess_parent_dgm_cleanup(void *private_data)
958 ret = messaging_dgm_wipe();
959 DEBUG(10, ("messaging_dgm_wipe returned %s\n",
960 ret ? strerror(ret) : "ok"));
961 return lp_parm_int(-1, "messaging", "messaging dgm cleanup interval",
965 static void mess_parent_dgm_cleanup_done(struct tevent_req *req)
967 struct messaging_context *msg = tevent_req_callback_data(
968 req, struct messaging_context);
971 status = background_job_recv(req);
973 DEBUG(1, ("messaging dgm cleanup job ended with %s\n",
976 req = background_job_send(
977 msg, msg->event_ctx, msg, NULL, 0,
978 lp_parm_int(-1, "messaging", "messaging dgm cleanup interval",
980 mess_parent_dgm_cleanup, msg);
982 DEBUG(1, ("background_job_send failed\n"));
985 tevent_req_set_callback(req, mess_parent_dgm_cleanup_done, msg);
988 int messaging_cleanup(struct messaging_context *msg_ctx, pid_t pid)
993 ret = messaging_dgm_wipe();
995 ret = messaging_dgm_cleanup(pid);
1001 struct tevent_context *messaging_tevent_context(
1002 struct messaging_context *msg_ctx)
1004 return msg_ctx->event_ctx;
1007 struct server_id_db *messaging_names_db(struct messaging_context *msg_ctx)
1009 return msg_ctx->names_db;