gateway.h

   1 #ifndef GATEWAY_H_INCLUDED
   2 #define GATEWAY_H_INCLUDED
   3 #define GATEWAY_H_VERSION "$Id: gateway.h,v 1.21 2011/09/04 11:10:56 fabiankeil Exp $"
   4 /*********************************************************************
   5  *
   6  * File        :  $Source: /cvsroot/ijbswa/current/gateway.h,v $
   7  *
   8  * Purpose     :  Contains functions to connect to a server, possibly
   9  *                using a "gateway" (i.e. HTTP proxy and/or SOCKS4
  10  *                proxy).  Also contains the list of gateway types.
  11  *
  12  * Copyright   :  Written by and Copyright (C) 2001-2009 the
  13  *                Privoxy team. http://www.privoxy.org/
  14  *
  15  *                Based on the Internet Junkbuster originally written
  16  *                by and Copyright (C) 1997 Anonymous Coders and
  17  *                Junkbusters Corporation.  http://www.junkbusters.com
  18  *
  19  *                This program is free software; you can redistribute it
  20  *                and/or modify it under the terms of the GNU General
  21  *                Public License as published by the Free Software
  22  *                Foundation; either version 2 of the License, or (at
  23  *                your option) any later version.
  24  *
  25  *                This program is distributed in the hope that it will
  26  *                be useful, but WITHOUT ANY WARRANTY; without even the
  27  *                implied warranty of MERCHANTABILITY or FITNESS FOR A
  28  *                PARTICULAR PURPOSE.  See the GNU General Public
  29  *                License for more details.
  30  *
  31  *                The GNU General Public License should be included with
  32  *                this file.  If not, you can view it at
  33  *                http://www.gnu.org/copyleft/gpl.html
  34  *                or write to the Free Software Foundation, Inc., 59
  35  *                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  36  *
  37  *********************************************************************/
  38
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 struct forward_spec;
  45 struct http_request;
  46 struct client_state;
  47
  48 extern jb_socket forwarded_connect(const struct forward_spec * fwd,
  49                                    struct http_request *http,
  50                                    struct client_state *csp);
  51
  52 /*
  53  * Default number of seconds after which an
  54  * open connection will no longer be reused.
  55  */
  56 #define DEFAULT_KEEP_ALIVE_TIMEOUT 180
  57
  58 #ifdef FEATURE_CONNECTION_SHARING
  59 extern void set_keep_alive_timeout(unsigned int timeout);
  60 extern void initialize_reusable_connections(void);
  61 extern void forget_connection(jb_socket sfd);
  62 extern void remember_connection(const struct reusable_connection *connection);
  63 extern int close_unusable_connections(void);
  64 #endif /* FEATURE_CONNECTION_SHARING */
  65
  66 extern void mark_connection_closed(struct reusable_connection *closed_connection);
  67 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
  68 extern int connection_destination_matches(const struct reusable_connection *connection,
  69                                           const struct http_request *http,
  70                                           const struct forward_spec *fwd);
  71 #endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
  72
  73 /*
  74  * Revision control strings from this header and associated .c file
  75  */
  76 extern const char gateway_rcs[];
  77 extern const char gateway_h_rcs[];
  78
  79 #ifdef __cplusplus
  80 } /* extern "C" */
  81 #endif
  82
  83 #endif /* ndef GATEWAY_H_INCLUDED */
  84
  85 /*
  86   Local Variables:
  87   tab-width: 3
  88   end:
  89 */