lib/tsocket/tsocket_internal.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher 2009
   5
   6      ** NOTE! The following LGPL license applies to the tevent
   7      ** library. This does NOT imply that all of Samba is released
   8      ** under the LGPL
   9
  10    This library is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU Lesser General Public
  12    License as published by the Free Software Foundation; either
  13    version 3 of the License, or (at your option) any later version.
  14
  15    This library is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    Lesser General Public License for more details.
  19
  20    You should have received a copy of the GNU Lesser General Public
  21    License along with this library; if not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #ifndef _TSOCKET_INTERNAL_H
  25 #define _TSOCKET_INTERNAL_H
  26
  27 struct tsocket_address_ops {
  28         const char *name;
  29
  30         char *(*string)(const struct tsocket_address *addr,
  31                         TALLOC_CTX *mem_ctx);
  32
  33         struct tsocket_address *(*copy)(const struct tsocket_address *addr,
  34                                         TALLOC_CTX *mem_ctx,
  35                                         const char *location);
  36 };
  37
  38 struct tsocket_address {
  39         const char *location;
  40         const struct tsocket_address_ops *ops;
  41
  42         void *private_data;
  43 };
  44
  45 struct tsocket_address *_tsocket_address_create(TALLOC_CTX *mem_ctx,
  46                                         const struct tsocket_address_ops *ops,
  47                                         void *pstate,
  48                                         size_t psize,
  49                                         const char *type,
  50                                         const char *location);
  51 #define tsocket_address_create(mem_ctx, ops, state, type, location) \
  52         _tsocket_address_create(mem_ctx, ops, state, sizeof(type), \
  53                                 #type, location)
  54
  55 struct tdgram_context_ops {
  56         const char *name;
  57
  58         struct tevent_req *(*recvfrom_send)(TALLOC_CTX *mem_ctx,
  59                                             struct tevent_context *ev,
  60                                             struct tdgram_context *dgram);
  61         ssize_t (*recvfrom_recv)(struct tevent_req *req,
  62                                  int *perrno,
  63                                  TALLOC_CTX *mem_ctx,
  64                                  uint8_t **buf,
  65                                  struct tsocket_address **src);
  66
  67         struct tevent_req *(*sendto_send)(TALLOC_CTX *mem_ctx,
  68                                           struct tevent_context *ev,
  69                                           struct tdgram_context *dgram,
  70                                           const uint8_t *buf, size_t len,
  71                                           const struct tsocket_address *dst);
  72         ssize_t (*sendto_recv)(struct tevent_req *req,
  73                                int *perrno);
  74
  75         struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
  76                                               struct tevent_context *ev,
  77                                               struct tdgram_context *dgram);
  78         int (*disconnect_recv)(struct tevent_req *req,
  79                                int *perrno);
  80 };
  81
  82 struct tdgram_context *_tdgram_context_create(TALLOC_CTX *mem_ctx,
  83                                         const struct tdgram_context_ops *ops,
  84                                         void *pstate,
  85                                         size_t psize,
  86                                         const char *type,
  87                                         const char *location);
  88 #define tdgram_context_create(mem_ctx, ops, state, type, location) \
  89         _tdgram_context_create(mem_ctx, ops, state, sizeof(type), \
  90                                 #type, location)
  91
  92 void *_tdgram_context_data(struct tdgram_context *dgram);
  93 #define tdgram_context_data(_req, _type) \
  94         talloc_get_type_abort(_tdgram_context_data(_req), _type)
  95
  96 int tsocket_simple_int_recv(struct tevent_req *req, int *perrno);
  97
  98 #endif /* _TSOCKET_H */
  99