root/source4/lib/stream/packet.h

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INCLUDED FROM


   1 /* 
   2    Unix SMB/CIFS mplementation.
   3 
   4    helper layer for breaking up streams into discrete requests
   5    
   6    Copyright (C) Andrew Tridgell  2005
   7     
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12    
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17    
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20    
  21 */
  22 
  23 struct packet_context;
  24 struct tevent_context;
  25 struct tevent_fd;
  26 
  27 typedef NTSTATUS (*packet_full_request_fn_t)(void *private_data,
  28                                              DATA_BLOB blob, size_t *packet_size);
  29 typedef NTSTATUS (*packet_callback_fn_t)(void *private_data, DATA_BLOB blob);
  30 
  31 /* Used to notify that a packet has been sent, and is on the wire */
  32 typedef void (*packet_send_callback_fn_t)(void *private_data);
  33 typedef void (*packet_error_handler_fn_t)(void *private_data, NTSTATUS status);
  34 
  35 
  36 
  37 struct packet_context *packet_init(TALLOC_CTX *mem_ctx);
  38 void packet_set_callback(struct packet_context *pc, packet_callback_fn_t callback);
  39 void packet_set_error_handler(struct packet_context *pc, packet_error_handler_fn_t handler);
  40 void packet_set_private(struct packet_context *pc, void *private_data);
  41 void packet_set_full_request(struct packet_context *pc, packet_full_request_fn_t callback);
  42 void packet_set_socket(struct packet_context *pc, struct socket_context *sock);
  43 void packet_set_event_context(struct packet_context *pc, struct tevent_context *ev);
  44 void packet_set_fde(struct packet_context *pc, struct tevent_fd *fde);
  45 void packet_set_serialise(struct packet_context *pc);
  46 void packet_set_initial_read(struct packet_context *pc, uint32_t initial_read);
  47 void packet_set_nofree(struct packet_context *pc);
  48 void packet_recv(struct packet_context *pc);
  49 void packet_recv_disable(struct packet_context *pc);
  50 void packet_recv_enable(struct packet_context *pc);
  51 void packet_set_unreliable_select(struct packet_context *pc);
  52 NTSTATUS packet_send(struct packet_context *pc, DATA_BLOB blob);
  53 NTSTATUS packet_send_callback(struct packet_context *pc, DATA_BLOB blob,
  54                               packet_send_callback_fn_t send_callback, 
  55                               void *private_data);
  56 void packet_queue_run(struct packet_context *pc);
  57 
  58 /*
  59   pre-canned handlers
  60 */
  61 NTSTATUS packet_full_request_nbt(void *private_data, DATA_BLOB blob, size_t *size);
  62 NTSTATUS packet_full_request_u32(void *private_data, DATA_BLOB blob, size_t *size);
  63 
  64 

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