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gateway.h

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#ifndef GATEWAY_H_INCLUDED
#define GATEWAY_H_INCLUDED
#define GATEWAY_H_VERSION "$Id: gateway.h,v 2.0 2002/06/04 14:34:21 jongfoster Exp $"
/* ******************************************************************
 * $Source: /cvsroot/ijbswa/current/src/gateway.h,v $
 * ******************************************************************
 *
 * Written by and Copyright (C) 2001 the SourceForge
 * Privoxy team. http://www.privoxy.org/
 * 
 * Based on the Internet Junkbuster originally written
 * by and Copyright (C) 1997 Anonymous Coders and
 * Junkbusters Corporation.  http://www.junkbusters.com
 * 
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public
 * License for more details.
 * 
 * The GNU General Public License should be included with
 * this file.  If not, you can view it at
 * http://www.gnu.org/copyleft/gpl.html
 * or write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * *****************************************************************/
/**
 * @file
 *
 * Contains functions to connect to a server, possibly
 * using a "gateway" (i.e. HTTP proxy and/or SOCKS4
 * proxy).  Also contains the list of gateway types.
 * 
 *
 * $Log: gateway.h,v $
 * Revision 2.0  2002/06/04 14:34:21  jongfoster
 * Moving source files to src/
 * 
 * Revision 1.7  2002/03/26 22:29:54  swa
 * we have a new homepage!
 * 
 * Revision 1.6  2002/03/25 22:12:45  oes
 * Added fix for undefined INADDR_NONE on Solaris by Bart Schelstraete
 * 
 * Revision 1.5  2002/03/24 13:25:43  swa
 * name change related issues
 * 
 * Revision 1.4  2002/03/09 20:03:52  jongfoster
 * - Making various functions return int rather than size_t.
 *   (Undoing a recent change).  Since size_t is unsigned on
 *   Windows, functions like read_socket that return -1 on
 *   error cannot return a size_t.
 * 
 *   THIS WAS A MAJOR BUG - it caused frequent, unpredictable
 *   crashes, and also frequently caused JB to jump to 100%
 *   CPU and stay there.  (Because it thought it had just
 *   read ((unsigned)-1) == 4Gb of data...)
 * 
 * - The signature of write_socket has changed, it now simply
 *   returns success=0/failure=nonzero.
 * 
 * - Trying to get rid of a few warnings --with-debug on
 *   Windows, I've introduced a new type "jb_socket".  This is
 *   used for the socket file descriptors.  On Windows, this
 *   is SOCKET (a typedef for unsigned).  Everywhere else, it's
 *   an int.  The error value can't be -1 any more, so it's
 *   now JB_INVALID_SOCKET (which is -1 on UNIX, and in
 *   Windows it maps to the #define INVALID_SOCKET.)
 * 
 * - The signature of bind_port has changed.
 * 
 * Revision 1.3  2001/07/29 18:58:15  jongfoster
 * Removing nested #includes, adding forward declarations for needed
 * structures, and changing the #define _FILENAME_H to FILENAME_H_INCLUDED.
 * 
 * Revision 1.2  2001/06/07 23:12:14  jongfoster
 * Removing gateways[] list - no longer used.
 * Replacing function pointer in struct gateway with a directly
 * called function forwarded_connect(), which can do the common
 * task of deciding whether to connect to the web server or HTTP
 * proxy.
 * Replacing struct gateway with struct forward_spec
 * 
 * Revision 1.1.1.1  2001/05/15 13:58:54  oes
 * Initial import of version 2.9.3 source tree
 * 
 * 
 */
/* *****************************************************************/


#ifdef __cplusplus
extern "C" {
#endif

struct forward_spec;
struct http_request;
struct client_state;

extern jb_socket forwarded_connect(const struct forward_spec * fwd, 
                                   struct http_request *http, 
                                   struct client_state *csp);

/*
 * Solaris fix
 */
#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif

/*
 * Revision control strings from this header and associated .c file
 */

/** Version information about gateway.c. */
extern const char gateway_rcs[];

/** Version information about gateway.h. */
extern const char gateway_h_rcs[];

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* ndef GATEWAY_H_INCLUDED */

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