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/*
    FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd. 
    All rights reserved

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS provides completely free yet professionally developed,    *
     *    robust, strictly quality controlled, supported, and cross          *
     *    platform software that has become a de facto standard.             *
     *                                                                       *
     *    Help yourself get started quickly and support the FreeRTOS         *
     *    project by purchasing a FreeRTOS tutorial book, reference          *
     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
     *                                                                       *
     *    Thank you!                                                         *
     *                                                                       *
    ***************************************************************************

    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.

    >>!   NOTE: The modification to the GPL is included to allow you to     !<<
    >>!   distribute a combined work that includes FreeRTOS without being   !<<
    >>!   obliged to provide the source code for proprietary components     !<<
    >>!   outside of the FreeRTOS kernel.                                   !<<

    FreeRTOS 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.  Full license text is available from the following
    link: http://www.freertos.org/a00114.html

    1 tab == 4 spaces!

    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
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    ***************************************************************************

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    1 tab == 4 spaces!
*/


/* Standard includes. */
#include <stdlib.h>

/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"

/* Application includes. */
#include "tcp.h"

/* Misc constants. */
#define tcpPOLL_DELAY					( ( TickType_t ) 12 / portTICK_PERIOD_MS )
#define tcpCONNECTION_DELAY				( ( TickType_t ) 8 / portTICK_PERIOD_MS )
/*-----------------------------------------------------------*/

/*
 * This task initialises the hardware then processes one TCP connection at a
 * time.  When an HTTP client connects we just simply send a single page then
 * disconnect - reset the socket data and wait for the next connection.
 */
void vHTTPServerTask( void *pvParameters )
{
	/* Reset the network hardware. */
	vTCPHardReset();

	/* Loop, processing connections are they arrive. */
	for( ;; )
	{
		/* Initialise the TCP interface.

		The current minimal implementation does not check for buffer overflows
		in the WIZnet hardware, so simply resets all the buffers for each
		connection - and only processes one connection at a time. */
		if( lTCPSoftReset() )
		{	  
			/* Create the socket that is going to accept incoming connections. */
			if( lTCPCreateSocket() )
			{
				/* Wait for a connection. */
				vTCPListen();

				/* Process connections as they arrive.  This function will only
				return once the connection has been closed. */
				lProcessConnection();
			}
		}

		/* If we get here then the connection completed or failed.  Wait a 
		while then try or start again. */
		vTaskDelay( tcpCONNECTION_DELAY );		
	}
}