messages.c header
Copyright (C) Andrew Tridgell 2000
Copyright (C) 2001, 2002 by Martin Pool
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MESSAGES_H_
/* change the message version with any incompatible changes in the protocol */
#define MESSAGE_VERSION 2
-
-#define MSG_TYPE_MASK 0xFFFF
-
-/* general messages */
-#define MSG_DEBUG 0x0001
-#define MSG_PING 0x0002
-#define MSG_PONG 0x0003
-#define MSG_PROFILE 0x0004
-#define MSG_REQ_DEBUGLEVEL 0x0005
-#define MSG_DEBUGLEVEL 0x0006
-#define MSG_REQ_PROFILELEVEL 0x0007
-#define MSG_PROFILELEVEL 0x0008
-#define MSG_REQ_POOL_USAGE 0x0009
-#define MSG_POOL_USAGE 0x000A
-
-/* If dmalloc is included, set a steady-state mark */
-#define MSG_REQ_DMALLOC_MARK 0x000B
-
-/* If dmalloc is included, dump to the dmalloc log a description of
- * what has changed since the last MARK */
-#define MSG_REQ_DMALLOC_LOG_CHANGED 0x000C
-
-#define MSG_SHUTDOWN 0x000D
-
-/* nmbd messages */
-#define MSG_FORCE_ELECTION 0x0101
-#define MSG_WINS_NEW_ENTRY 0x0102
-#define MSG_SEND_PACKET 0x0103
-
-/* printing messages */
-/* #define MSG_PRINTER_NOTIFY 2001*/ /* Obsolete */
-#define MSG_PRINTER_NOTIFY2 0x0202
-
-#define MSG_PRINTER_DRVUPGRADE 0x0203
-#define MSG_PRINTERDATA_INIT_RESET 0x0204
-#define MSG_PRINTER_UPDATE 0x0205
-#define MSG_PRINTER_MOD 0x0206
-
-/* smbd messages */
-#define MSG_SMB_CONF_UPDATED 0x0301
-#define MSG_SMB_FORCE_TDIS 0x0302
-#define MSG_SMB_SAM_SYNC 0x0303
-#define MSG_SMB_SAM_REPL 0x0304
-#define MSG_SMB_UNLOCK 0x0305
-#define MSG_SMB_BREAK_REQUEST 0x0306
-#define MSG_SMB_BREAK_RESPONSE 0x0307
-#define MSG_SMB_ASYNC_LEVEL2_BREAK 0x0308
-#define MSG_SMB_OPEN_RETRY 0x0309
-#define MSG_SMB_KERNEL_BREAK 0x030A
-#define MSG_SMB_FILE_RENAME 0x030B
-#define MSG_SMB_INJECT_FAULT 0x030C
-#define MSG_SMB_BLOCKING_LOCK_CANCEL 0x030D
-#define MSG_SMB_NOTIFY 0x030E
-#define MSG_SMB_STAT_CACHE_DELETE 0x030F
-/*
- * Samba4 compatibility
- */
-#define MSG_PVFS_NOTIFY 0x0310
-
-/* winbind messages */
-#define MSG_WINBIND_FINISHED 0x0401
-#define MSG_WINBIND_FORGET_STATE 0x0402
-#define MSG_WINBIND_ONLINE 0x0403
-#define MSG_WINBIND_OFFLINE 0x0404
-#define MSG_WINBIND_ONLINESTATUS 0x0405
-#define MSG_WINBIND_TRY_TO_GO_ONLINE 0x0406
-#define MSG_WINBIND_FAILED_TO_GO_ONLINE 0x0407
-
/*
* Special flags passed to message_send. Allocated from the top, lets see when
* it collides with the message types in the lower 16 bits :-)
#define FLAG_MSG_GENERAL 0x0001
#define FLAG_MSG_SMBD 0x0002
#define FLAG_MSG_NMBD 0x0004
-#define FLAG_MSG_PRINT_NOTIFY 0x0008
+#define FLAG_MSG_WINBIND 0x0008
#define FLAG_MSG_PRINT_GENERAL 0x0010
+/* dbwrap messages 4001-4999 */
+#define FLAG_MSG_DBWRAP 0x0020
-struct server_id {
- pid_t pid;
-};
+/*
+ * ctdb gives us 64-bit server ids for messaging_send. This is done to avoid
+ * pid clashes and to be able to register for special messages like "all
+ * smbds".
+ *
+ * Normal individual server id's have the upper 32 bits to 0, I picked "1" for
+ * Samba, other subsystems might use something else.
+ */
+
+#define MSG_SRVID_SAMBA 0x0000000100000000LL
+
+#include "librpc/gen_ndr/server_id.h"
+
+#define MSG_BROADCAST_PID_STR "0:0"
struct messaging_context;
struct messaging_rec;
-struct data_blob;
/*
* struct messaging_context belongs to messages.c, but because we still have
struct messaging_context {
struct server_id id;
- struct event_context *event_ctx;
+ struct tevent_context *event_ctx;
struct messaging_callback *callbacks;
+ struct tevent_req **new_waiters;
+ unsigned num_new_waiters;
+
+ struct tevent_req **waiters;
+ unsigned num_waiters;
+
struct messaging_backend *local;
+ struct messaging_backend *remote;
};
struct messaging_backend {
- NTSTATUS (*send_fn)(struct messaging_context *msg_ctx,
+ NTSTATUS (*send_fn)(struct server_id src,
struct server_id pid, int msg_type,
- const struct data_blob *data,
+ const struct iovec *iov, int iovlen,
struct messaging_backend *backend);
void *private_data;
};
-NTSTATUS messaging_tdb_init(struct messaging_context *msg_ctx,
+NTSTATUS messaging_dgm_init(struct messaging_context *msg_ctx,
TALLOC_CTX *mem_ctx,
struct messaging_backend **presult);
-void message_dispatch(struct messaging_context *msg_ctx);
-
-
-BOOL message_send_all(struct messaging_context *msg_ctx,
+NTSTATUS messaging_dgm_cleanup(struct messaging_context *msg_ctx, pid_t pid);
+NTSTATUS messaging_dgm_wipe(struct messaging_context *msg_ctx);
+void *messaging_dgm_register_tevent_context(TALLOC_CTX *mem_ctx,
+ struct messaging_context *msg_ctx,
+ struct tevent_context *ev);
+
+NTSTATUS messaging_ctdbd_init(struct messaging_context *msg_ctx,
+ TALLOC_CTX *mem_ctx,
+ struct messaging_backend **presult);
+struct ctdbd_connection *messaging_ctdbd_connection(void);
+
+bool message_send_all(struct messaging_context *msg_ctx,
int msg_type,
const void *buf, size_t len,
int *n_sent);
-struct event_context *messaging_event_context(struct messaging_context *msg_ctx);
struct messaging_context *messaging_init(TALLOC_CTX *mem_ctx,
- struct server_id server_id,
- struct event_context *ev);
+ struct tevent_context *ev);
+
+struct server_id messaging_server_id(const struct messaging_context *msg_ctx);
+
+/*
+ * re-init after a fork
+ */
+NTSTATUS messaging_reinit(struct messaging_context *msg_ctx);
+
NTSTATUS messaging_register(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
- struct data_blob *data));
+ DATA_BLOB *data));
void messaging_deregister(struct messaging_context *ctx, uint32_t msg_type,
void *private_data);
NTSTATUS messaging_send(struct messaging_context *msg_ctx,
struct server_id server,
- uint32_t msg_type, const struct data_blob *data);
+ uint32_t msg_type, const DATA_BLOB *data);
+
NTSTATUS messaging_send_buf(struct messaging_context *msg_ctx,
struct server_id server, uint32_t msg_type,
- const uint8 *buf, size_t len);
+ const uint8_t *buf, size_t len);
+NTSTATUS messaging_send_iov(struct messaging_context *msg_ctx,
+ struct server_id server, uint32_t msg_type,
+ const struct iovec *iov, int iovlen);
void messaging_dispatch_rec(struct messaging_context *msg_ctx,
struct messaging_rec *rec);
+struct tevent_req *messaging_filtered_read_send(
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+ struct messaging_context *msg_ctx,
+ bool (*filter)(struct messaging_rec *rec, void *private_data),
+ void *private_data);
+int messaging_filtered_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ struct messaging_rec **presult);
+
+struct tevent_req *messaging_read_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct messaging_context *msg,
+ uint32_t msg_type);
+int messaging_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ struct messaging_rec **presult);
+
+bool messaging_parent_dgm_cleanup_init(struct messaging_context *msg);
+
+#include "librpc/gen_ndr/ndr_messaging.h"
+
#endif
git.samba.org / samba.git / blobdiff