lib/gnutls_buffers.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2010 Free
   3  * Software Foundation, Inc.
   4  *
   5  * Author: Nikos Mavrogiannopoulos
   6  *
   7  * This file is part of GNUTLS.
   8  *
   9  * The GNUTLS library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22  * USA
  23  *
  24  */
  25
  26 int _gnutls_record_buffer_put (content_type_t type,
  27                                gnutls_session_t session, opaque * data,
  28                                size_t length);
  29 int _gnutls_record_buffer_get_size (content_type_t type,
  30                                     gnutls_session_t session);
  31 int _gnutls_record_buffer_get (content_type_t type,
  32                                gnutls_session_t session, opaque * data,
  33                                size_t length);
  34 ssize_t _gnutls_io_read_buffered (gnutls_session_t, opaque ** iptr,
  35                                   size_t n, content_type_t);
  36 void _gnutls_io_clear_read_buffer (gnutls_session_t);
  37 int _gnutls_io_clear_peeked_data (gnutls_session_t session);
  38
  39 ssize_t _gnutls_io_write_buffered (gnutls_session_t, const void *iptr,
  40                                    size_t n);
  41 ssize_t _gnutls_io_write_buffered2 (gnutls_session_t, const void *iptr,
  42                                     size_t n, const void *iptr2, size_t n2);
  43
  44 int _gnutls_handshake_buffer_get_size (gnutls_session_t session);
  45 int _gnutls_handshake_buffer_put (gnutls_session_t session, opaque * data,
  46                                   size_t length);
  47 int _gnutls_handshake_buffer_clear (gnutls_session_t session);
  48 int _gnutls_handshake_buffer_empty (gnutls_session_t session);
  49 int _gnutls_handshake_buffer_get_ptr (gnutls_session_t session,
  50                                       opaque ** data_ptr, size_t * length);
  51
  52 #define _gnutls_handshake_io_buffer_clear( session) \
  53         _gnutls_buffer_clear( &session->internals.handshake_send_buffer); \
  54         _gnutls_buffer_clear( &session->internals.handshake_recv_buffer); \
  55         session->internals.handshake_send_buffer_prev_size = 0
  56
  57 ssize_t _gnutls_handshake_io_recv_int (gnutls_session_t, content_type_t,
  58                                        gnutls_handshake_description_t, void *,
  59                                        size_t);
  60 ssize_t _gnutls_handshake_io_send_int (gnutls_session_t, content_type_t,
  61                                        gnutls_handshake_description_t,
  62                                        const void *, size_t);
  63 ssize_t _gnutls_io_write_flush (gnutls_session_t session);
  64 ssize_t _gnutls_handshake_io_write_flush (gnutls_session_t session);