lib/async_req/async_sock.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async socket operations
   4    Copyright (C) Volker Lendecke 2008
   5
   6      ** NOTE! The following LGPL license applies to the async_sock
   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    Library General Public License for more details.
  19
  20    You should have received a copy of the GNU Lesser General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #ifndef __ASYNC_SOCK_H__
  25 #define __ASYNC_SOCK_H__
  26
  27 #include <talloc.h>
  28 #include <tevent.h>
  29 #include "system/network.h"
  30
  31 struct tevent_req *sendto_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
  32                                int fd, const void *buf, size_t len, int flags,
  33                                const struct sockaddr_storage *addr);
  34 ssize_t sendto_recv(struct tevent_req *req, int *perrno);
  35
  36 struct tevent_req *recvfrom_send(TALLOC_CTX *mem_ctx,
  37                                  struct tevent_context *ev,
  38                                  int fd, void *buf, size_t len, int flags,
  39                                  struct sockaddr_storage *addr,
  40                                  socklen_t *addr_len);
  41 ssize_t recvfrom_recv(struct tevent_req *req, int *perrno);
  42
  43 struct tevent_req *async_connect_send(
  44         TALLOC_CTX *mem_ctx, struct tevent_context *ev, int fd,
  45         const struct sockaddr *address, socklen_t address_len,
  46         void (*before_connect)(void *private_data),
  47         void (*after_connect)(void *private_data),
  48         void *private_data);
  49 int async_connect_recv(struct tevent_req *req, int *perrno);
  50
  51 struct tevent_req *writev_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
  52                                struct tevent_queue *queue, int fd,
  53                                bool err_on_readability,
  54                                struct iovec *iov, int count);
  55 ssize_t writev_recv(struct tevent_req *req, int *perrno);
  56
  57 struct tevent_req *read_packet_send(TALLOC_CTX *mem_ctx,
  58                                     struct tevent_context *ev,
  59                                     int fd, size_t initial,
  60                                     ssize_t (*more)(uint8_t *buf,
  61                                                     size_t buflen,
  62                                                     void *private_data),
  63                                     void *private_data);
  64 ssize_t read_packet_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  65                          uint8_t **pbuf, int *perrno);
  66
  67 struct tevent_req *wait_for_read_send(TALLOC_CTX *mem_ctx,
  68                                       struct tevent_context *ev,
  69                                       int fd);
  70 bool wait_for_read_recv(struct tevent_req *req, int *perr);
  71
  72 #endif