| 1 | /*
|
|---|
| 2 | Unix SMB/CIFS implementation.
|
|---|
| 3 | Samba internal messaging functions
|
|---|
| 4 | Copyright (C) 2007 by Volker Lendecke
|
|---|
| 5 |
|
|---|
| 6 | This program is free software; you can redistribute it and/or modify
|
|---|
| 7 | it under the terms of the GNU General Public License as published by
|
|---|
| 8 | the Free Software Foundation; either version 3 of the License, or
|
|---|
| 9 | (at your option) any later version.
|
|---|
| 10 |
|
|---|
| 11 | This program is distributed in the hope that it will be useful,
|
|---|
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 14 | GNU General Public License for more details.
|
|---|
| 15 |
|
|---|
| 16 | You should have received a copy of the GNU General Public License
|
|---|
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 18 | */
|
|---|
| 19 |
|
|---|
| 20 | #include "includes.h"
|
|---|
| 21 |
|
|---|
| 22 | #ifdef CLUSTER_SUPPORT
|
|---|
| 23 |
|
|---|
| 24 | #include "librpc/gen_ndr/messaging.h"
|
|---|
| 25 | #include "ctdb.h"
|
|---|
| 26 | #include "ctdb_private.h"
|
|---|
| 27 | #include "ctdbd_conn.h"
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 | struct messaging_ctdbd_context {
|
|---|
| 31 | struct ctdbd_connection *conn;
|
|---|
| 32 | };
|
|---|
| 33 |
|
|---|
| 34 | /*
|
|---|
| 35 | * This is a Samba3 hack/optimization. Routines like process_exists need to
|
|---|
| 36 | * talk to ctdbd, and they don't get handed a messaging context.
|
|---|
| 37 | */
|
|---|
| 38 | static struct ctdbd_connection *global_ctdbd_connection;
|
|---|
| 39 | static int global_ctdb_connection_pid;
|
|---|
| 40 |
|
|---|
| 41 | struct ctdbd_connection *messaging_ctdbd_connection(void)
|
|---|
| 42 | {
|
|---|
| 43 | if (global_ctdb_connection_pid == 0 &&
|
|---|
| 44 | global_ctdbd_connection == NULL) {
|
|---|
| 45 | struct event_context *ev;
|
|---|
| 46 | struct messaging_context *msg;
|
|---|
| 47 |
|
|---|
| 48 | ev = event_context_init(NULL);
|
|---|
| 49 | if (!ev) {
|
|---|
| 50 | DEBUG(0,("event_context_init failed\n"));
|
|---|
| 51 | }
|
|---|
| 52 |
|
|---|
| 53 | msg = messaging_init(NULL, procid_self(), ev);
|
|---|
| 54 | if (!msg) {
|
|---|
| 55 | DEBUG(0,("messaging_init failed\n"));
|
|---|
| 56 | }
|
|---|
| 57 |
|
|---|
| 58 | db_tdb2_setup_messaging(msg, false);
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 | if (global_ctdb_connection_pid != getpid()) {
|
|---|
| 62 | DEBUG(0,("messaging_ctdbd_connection():"
|
|---|
| 63 | "valid for pid[%d] but it's [%d]\n",
|
|---|
| 64 | global_ctdb_connection_pid, getpid()));
|
|---|
| 65 | smb_panic("messaging_ctdbd_connection() invalid process\n");
|
|---|
| 66 | }
|
|---|
| 67 |
|
|---|
| 68 | return global_ctdbd_connection;
|
|---|
| 69 | }
|
|---|
| 70 |
|
|---|
| 71 | static NTSTATUS messaging_ctdb_send(struct messaging_context *msg_ctx,
|
|---|
| 72 | struct server_id pid, int msg_type,
|
|---|
| 73 | const DATA_BLOB *data,
|
|---|
| 74 | struct messaging_backend *backend)
|
|---|
|
|---|
