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 _SOURCE4_LIB_MESSAGING_MESSAGES_H_
  22 #define _SOURCE4_LIB_MESSAGING_MESSAGES_H_
  23
  24 #include "librpc/gen_ndr/server_id.h"
  25 #include "lib/util/data_blob.h"
  26 #include "librpc/gen_ndr/messaging.h"
  27
  28 struct loadparm_context;
  29 struct imessaging_context;
  30
  31 /* taskid for messaging of parent process */
  32 #define SAMBA_PARENT_TASKID     0
  33
  34 typedef void (*msg_callback_t)(
  35         struct imessaging_context *msg,
  36         void *private_data,
  37         uint32_t msg_type,
  38         struct server_id server_id,
  39         size_t num_fds,
  40         int *fds,
  41         DATA_BLOB *data);
  42
  43 NTSTATUS imessaging_send(struct imessaging_context *msg, struct server_id server,
  44                         uint32_t msg_type, const DATA_BLOB *data);
  45 NTSTATUS imessaging_register(struct imessaging_context *msg, void *private_data,
  46                             uint32_t msg_type,
  47                             msg_callback_t fn);
  48 NTSTATUS imessaging_register_tmp(struct imessaging_context *msg, void *private_data,
  49                                 msg_callback_t fn, uint32_t *msg_type);
  50 struct imessaging_context *imessaging_init(TALLOC_CTX *mem_ctx,
  51                                            struct loadparm_context *lp_ctx,
  52                                            struct server_id server_id,
  53                                            struct tevent_context *ev);
  54 struct imessaging_context *imessaging_init_discard_incoming(
  55                                                 TALLOC_CTX *mem_ctx,
  56                                                 struct loadparm_context *lp_ctx,
  57                                                 struct server_id server_id,
  58                                                 struct tevent_context *ev);
  59 void imessaging_dgm_unref_ev(struct tevent_context *ev);
  60 NTSTATUS imessaging_reinit_all(void);
  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 size_t 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 NTSTATUS imessaging_process_cleanup(struct imessaging_context *msg_ctx,
  70                                     pid_t pid);
  71
  72 #endif