source4/lib/messaging/messaging.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    messages.c header
   4    Copyright (C) Andrew Tridgell 2000
   5    Copyright (C) 2001, 2002 by Martin Pool
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef _MESSAGES_H_
  22 #define _MESSAGES_H_
  23
  24 #include "librpc/gen_ndr/server_id.h"
  25
  26 struct imessaging_context;
  27
  28 /* general messages */
  29 #define MSG_DEBUG               1
  30 #define MSG_PING                2
  31 #define MSG_PONG                3
  32 #define MSG_BRL_RETRY           4
  33 #define MSG_PVFS_RETRY_OPEN     5
  34 #define MSG_IRPC                6
  35 #define MSG_PVFS_NOTIFY         7
  36 #define MSG_NTVFS_OPLOCK_BREAK  8
  37 #define MSG_DREPL_ALLOCATE_RID  9
  38
  39 /* temporary messaging endpoints are allocated above this line */
  40 #define MSG_TMP_BASE            1000
  41
  42 /* taskid for messaging of parent process */
  43 #define SAMBA_PARENT_TASKID     0
  44
  45 typedef void (*msg_callback_t)(struct imessaging_context *msg, void *private_data,
  46                                uint32_t msg_type,
  47                                struct server_id server_id, DATA_BLOB *data);
  48
  49 NTSTATUS imessaging_send(struct imessaging_context *msg, struct server_id server,
  50                         uint32_t msg_type, const DATA_BLOB *data);
  51 NTSTATUS imessaging_register(struct imessaging_context *msg, void *private_data,
  52                             uint32_t msg_type,
  53                             msg_callback_t fn);
  54 NTSTATUS imessaging_register_tmp(struct imessaging_context *msg, void *private_data,
  55                                 msg_callback_t fn, uint32_t *msg_type);
  56 struct imessaging_context *imessaging_init(TALLOC_CTX *mem_ctx,
  57                                            struct loadparm_context *lp_ctx,
  58                                            struct server_id server_id,
  59                                            struct tevent_context *ev,
  60                                            bool auto_remove);
  61 int imessaging_cleanup(struct imessaging_context *msg);
  62 struct imessaging_context *imessaging_client_init(TALLOC_CTX *mem_ctx,
  63                                            struct loadparm_context *lp_ctx,
  64                                          struct tevent_context *ev);
  65 NTSTATUS imessaging_send_ptr(struct imessaging_context *msg, struct server_id server,
  66                             uint32_t msg_type, void *ptr);
  67 void imessaging_deregister(struct imessaging_context *msg, uint32_t msg_type, void *private_data);
  68 struct server_id imessaging_get_server_id(struct imessaging_context *msg_ctx);
  69
  70 #endif