/* | |
* FreeRTOS Kernel V10.3.0 | |
* 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 ); | |
} | |
} | |