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/*
* FreeRTOS V202111.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 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 );
}
}
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