/****************************************************************************
 * netutils.h                                                               *
 *                                                                          *
 * LocalGate Local Filesystem -> WWW Gateway                                *
 *                                                                          *
 * LocalGate allows a user to access HTML files on the local filesystem     *
 * as if they had a web server to access the files.                         *
 *                                                                          *
 * netutils.h: header file for network access routines for LocalGate.       *
 *                                                                          *
 * Copyright (C) 1997  Michael Chu                                          *
 * This file is part of the LocalGate local filesystem -> WWW gateway.      *
 *                                                                          *
 * 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.                             *
 *                                                                          *
 * You should have received a copy of the GNU General Public License        *
 * along with this program; if not, write to the Free Software              *
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
 *                                                                          *
 * Contact information:      Michael Chu                                    *
 *                           mmchu@pobox.com                                *
 ****************************************************************************/


#ifndef _NETUTILS_H_
#define _NETUTILS_H_


/********************************** DEFINITIONS *****************************/

/* defines the default buffer size. */
#define DEFAULT_BUFFER_SIZE 1024


/********************************** PROTOTYPES ******************************/

extern int socketInit(int serverPort);
extern int getIncomingConnection(int socketId);
extern char *getLocalFileRequest(int socketId);
extern int readFromSocket(int socketId, char *buffer, int maxBytes);
extern int readLineFromSocket(int socketId, char *buffer, int maxBytes);
extern int writeToSocket(int socketId, char *buffer, int numBytes);
extern int writeFileToSocket(int socketId, char *fileName);
extern int hasHTTPConformityTag(char *requestString);
extern int sendUnknownQueryError(int socketId, int conformsHTML);
extern int sendFileNotExistError(int socketId, char *fileName, 
                                 int conformsHTML);
extern int sendDocumentHasMovedMessage(int socketId, char *newLocation,
                                       int conformsHTML);


#endif  /* _NETUTILS_H_ */