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//
// Copyright (c) 2000-2003 Intel Corporation 
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// modification, are permitted provided that the following conditions are met: 
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// * Redistributions of source code must retain the above copyright notice, 
// this list of conditions and the following disclaimer. 
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#ifndef GENLIB_NET_HTTP_WEBSERVER_H
#define GENLIB_NET_HTTP_WEBSERVER_H

#include <time.h>
#include "sock.h"
#include "httpparser.h"

#ifdef __cplusplus
extern "C" {
#endif


struct SendInstruction
{
   int  IsVirtualFile;
   int  IsChunkActive;
   int  IsRangeActive;
   int  IsTrailers;
   char RangeHeader[200];
   off_t RangeOffset;
   off_t ReadSendSize;  // Read from local source and send on the network.
   long RecvWriteSize; // Recv from the network and write into local file.

   //Later few more member could be added depending on the requirement.
};

/************************************************************************
* Function: web_server_init
*
* Parameters:
*	none
*
* Description: Initilialize the different documents. Initialize the
*	memory for root directory for web server. Call to initialize global
*	XML document. Sets bWebServerState to WEB_SERVER_ENABLED
*
* Returns:
*	0 - OK
*	UPNP_E_OUTOF_MEMORY: note: alias_content is not freed here
************************************************************************/
int web_server_init( void );

/************************************************************************
* Function: web_server_destroy
*
* Parameters:
*	none
*
* Description: Release memory allocated for the global web server root
*	directory and the global XML document
*	Resets the flag bWebServerState to WEB_SERVER_DISABLED
*
* Returns:
*	void
************************************************************************/
void web_server_destroy( void );

/************************************************************************
* Function: web_server_set_alias
*
* Parameters:
*	alias_name: webserver name of alias; created by caller and freed by
*				caller (doesn't even have to be malloc()d .)
*	alias_content:	the xml doc; this is allocated by the caller; and
*					freed by the web server	
*	alias_content_length: length of alias body in bytes
*	last_modified:	time when the contents of alias were last
*					changed (local time)
*
* Description: Replaces current alias with the given alias. To remove
*	the current alias, set alias_name to NULL.
*
* Returns:
*	0 - OK
*	UPNP_E_OUTOF_MEMORY: note: alias_content is not freed here
************************************************************************/
int web_server_set_alias( IN const char* alias_name,
		IN const char* alias_content, IN size_t alias_content_length,
		IN time_t last_modified );

/************************************************************************
* Function: web_server_set_root_dir
*
* Parameters:
*	IN const char* root_dir ; String having the root directory for the
*                                 document
*
* Description: Assign the path specfied by the IN const char* root_dir
*	parameter to the global Document root directory. Also check for
*	path names ending in '/'
*
* Returns:
*	int
************************************************************************/
int web_server_set_root_dir( IN const char* root_dir );

/************************************************************************
* Function: web_server_callback	
*
* Parameters:
*	IN http_parser_t *parser,
*	INOUT http_message_t* req,
*	IN SOCKINFO *info
*
* Description: main entry point into web server;
*	handles HTTP GET and HEAD requests
*
* Returns:
*	void
************************************************************************/
void web_server_callback( IN http_parser_t *parser, IN http_message_t* req, INOUT SOCKINFO *info );


#ifdef __cplusplus
} // extern C
#endif


#endif // GENLIB_NET_HTTP_WEBSERVER_H