diff options
Diffstat (limited to 'FreeRTOS-Plus/Demo/FreeRTOS_IoT_Libraries/mqtt/WinPCap/arch.c')
| -rw-r--r-- | FreeRTOS-Plus/Demo/FreeRTOS_IoT_Libraries/mqtt/WinPCap/arch.c | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/FreeRTOS-Plus/Demo/FreeRTOS_IoT_Libraries/mqtt/WinPCap/arch.c b/FreeRTOS-Plus/Demo/FreeRTOS_IoT_Libraries/mqtt/WinPCap/arch.c deleted file mode 100644 index d704da800..000000000 --- a/FreeRTOS-Plus/Demo/FreeRTOS_IoT_Libraries/mqtt/WinPCap/arch.c +++ /dev/null @@ -1,336 +0,0 @@ -/*
- * FreeRTOS Kernel V10.2.1
- * Copyright (C) 2017 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!
- */
-
-/* WinPCap includes. */
-#include "pcap.h"
-#include "remote-ext.h"
-
-/* uIP includes. */
-#include "net/uip.h"
-#include "net/uip_arp.h"
-#include "net/clock-arch.h"
-
-/* FreeRTOS includes. */
-#include "FreeRTOS.h"
-#include "task.h"
-#include "queue.h"
-
-/*
- * Query the computer the simulation is being executed on to find the network
- * interfaces it has installed.
- */
-static pcap_if_t * prvPrintAvailableNetworkInterfaces( void );
-
-/*
- * Open the network interface. The number of the interface to be opened is set
- * by the configNETWORK_INTERFACE_TO_USE constant in FreeRTOSConfig.h.
- */
-static void prvOpenSelectedNetworkInterface( pcap_if_t *pxAllNetworkInterfaces );
-
-/*
- * Configure the capture filter to allow blocking reads, and to filter out
- * packets that are not of interest to this demo.
- */
-static void prvConfigureCaptureBehaviour( void );
-
-pcap_t *pxOpenedInterfaceHandle = NULL;
-LARGE_INTEGER freq, sys_start_time;
-
-#define archNUM_BUFFERS 5
-#define archNUM_BUFFER_POINTERS ( archNUM_BUFFERS - 1 )
-
-static void prvInterruptSimulator( void *pvParameters );
-
-static unsigned char ucEthernetBuffer[ archNUM_BUFFERS ][ UIP_CONF_BUFFER_SIZE ];
-static unsigned char *pucEthernetBufferPointers[ archNUM_BUFFER_POINTERS ];
-
-static long lLengthOfDataInBuffer[ archNUM_BUFFER_POINTERS ] = { 0 };
-static unsigned char ucNextBufferToFill = 0U, ucNextBufferToProcess = 0U;
-
-unsigned char *uip_buf = NULL;
-char cErrorBuffer[PCAP_ERRBUF_SIZE];
-
-void vNetifTx( void )
-{
- pcap_sendpacket( pxOpenedInterfaceHandle, uip_buf, uip_len );
- pcap_sendpacket( pxOpenedInterfaceHandle, uip_buf, uip_len );
-}
-/*-----------------------------------------------------------*/
-
-UBaseType_t uxNetifRx( void )
-{
-UBaseType_t xDataLen;
-unsigned char *pucTemp;
-
- /* Check there is really data available. */
- xDataLen = lLengthOfDataInBuffer[ ucNextBufferToProcess ];
- if( xDataLen != 0L )
- {
-
- /* The buffer pointed to by uip_buf is going to change. Remember which
- buffer uip_buf is currently pointing to. */
- pucTemp = uip_buf;
-
- /* Point uip_buf at the next buffer that contains data. */
- uip_buf = pucEthernetBufferPointers[ ucNextBufferToProcess ];
-
- /* The buffer pointed to by
- pucEthernetBufferPointeres[ ucNextBufferToProcess ] is now in use by
- uip_buf, but the buffer uip_buf was pointing to on entry to this
- function is free. Set
- pucEthernetBufferPointeres[ ucNextBufferToProcess ] to the free
- buffer. */
- pucEthernetBufferPointers[ ucNextBufferToProcess ] = pucTemp;
- lLengthOfDataInBuffer[ ucNextBufferToProcess ] = 0L;
-
- ucNextBufferToProcess++;
- if( ucNextBufferToProcess >= archNUM_BUFFER_POINTERS )
- {
- ucNextBufferToProcess = 0L;
- }
- }
-
- return xDataLen;
-}
-/*-----------------------------------------------------------*/
-
-BaseType_t xNetifInit( void )
-{
-BaseType_t x;
-pcap_if_t *pxAllNetworkInterfaces;
-
- /* Allocate a free buffer to each buffer pointer. */
- for( x = 0; x < sizeof( pucEthernetBufferPointers ) / sizeof( unsigned char * ); x++ )
- {
- pucEthernetBufferPointers[ x ] = &( ucEthernetBuffer[ x ][ 0 ] );
- }
-
- /* Start with uip_buf pointing to a buffer that is not referenced from the
- pucEthernetBufferPointers[] array. */
- uip_buf = &( ucEthernetBuffer[ archNUM_BUFFERS - 1 ][ 0 ] );
-
- /* Query the computer the simulation is being executed on to find the
- network interfaces it has installed. */
- pxAllNetworkInterfaces = prvPrintAvailableNetworkInterfaces();
-
- /* Open the network interface. The number of the interface to be opened is
- set by the configNETWORK_INTERFACE_TO_USE constant in FreeRTOSConfig.h.
- Calling this function will set the pxOpenedInterfaceHandle variable. If,
- after calling this function, pxOpenedInterfaceHandle is equal to NULL, then
- the interface could not be opened. */
- if( pxAllNetworkInterfaces != NULL )
- {
- prvOpenSelectedNetworkInterface( pxAllNetworkInterfaces );
- }
-
-
- return x;
-}
-/*-----------------------------------------------------------*/
-
-static pcap_if_t * prvPrintAvailableNetworkInterfaces( void )
-{
-pcap_if_t * pxAllNetworkInterfaces = NULL, *xInterface;
-long lInterfaceNumber = 1;
-
- if( pcap_findalldevs_ex( PCAP_SRC_IF_STRING, NULL, &pxAllNetworkInterfaces, cErrorBuffer ) == -1 )
- {
- printf( "\r\nCould not obtain a list of network interfaces\r\n%s\r\n", cErrorBuffer );
- pxAllNetworkInterfaces = NULL;
- }
-
- if( pxAllNetworkInterfaces != NULL )
- {
- /* Print out the list of network interfaces. The first in the list
- is interface '1', not interface '0'. */
- for( xInterface = pxAllNetworkInterfaces; xInterface != NULL; xInterface = xInterface->next )
- {
- printf( "%d. %s", lInterfaceNumber, xInterface->name );
-
- if( xInterface->description != NULL )
- {
- printf( " (%s)\r\n", xInterface->description );
- }
- else
- {
- printf( " (No description available)\r\n") ;
- }
-
- lInterfaceNumber++;
- }
- }
-
- if( lInterfaceNumber == 1 )
- {
- /* The interface number was never incremented, so the above for() loop
- did not execute meaning no interfaces were found. */
- printf( " \r\nNo network interfaces were found.\r\n" );
- pxAllNetworkInterfaces = NULL;
- }
-
- printf( "\r\nThe interface that will be opened is set by configNETWORK_INTERFACE_TO_USE which should be defined in FreeRTOSConfig.h\r\n" );
- printf( "Attempting to open interface number %d.\r\n", configNETWORK_INTERFACE_TO_USE );
-
- if( ( configNETWORK_INTERFACE_TO_USE < 1L ) || ( configNETWORK_INTERFACE_TO_USE > lInterfaceNumber ) )
- {
- printf("\r\nconfigNETWORK_INTERFACE_TO_USE is not in the valid range.\r\n" );
-
- if( pxAllNetworkInterfaces != NULL )
- {
- /* Free the device list, as no devices are going to be opened. */
- pcap_freealldevs( pxAllNetworkInterfaces );
- pxAllNetworkInterfaces = NULL;
- }
- }
-
- return pxAllNetworkInterfaces;
-}
-/*-----------------------------------------------------------*/
-
-static void prvOpenSelectedNetworkInterface( pcap_if_t *pxAllNetworkInterfaces )
-{
-pcap_if_t *xInterface;
-long x;
-
- /* Walk the list of devices until the selected device is located. */
- xInterface = pxAllNetworkInterfaces;
- for( x = 0L; x < ( configNETWORK_INTERFACE_TO_USE - 1L ); x++ )
- {
- xInterface = xInterface->next;
- }
-
- /* Open the selected interface. */
- pxOpenedInterfaceHandle = pcap_open( xInterface->name, /* The name of the selected interface. */
- UIP_CONF_BUFFER_SIZE, /* The size of the packet to capture. */
- PCAP_OPENFLAG_PROMISCUOUS, /* Open in promiscious mode as the MAC and
- IP address is going to be "simulated", and
- not be the real MAC and IP address. This allows
- trafic to the simulated IP address to be routed
- to uIP, and trafic to the real IP address to be
- routed to the Windows TCP/IP stack. */
- 0xfffffffL, /* The read time out. This is going to block
- until data is available. */
- NULL, /* No authentication is required as this is
- not a remote capture session. */
- cErrorBuffer
- );
-
- if ( pxOpenedInterfaceHandle == NULL )
- {
- printf( "\r\n%s is not supported by WinPcap and cannot be opened\r\n", xInterface->name );
- }
- else
- {
- /* Configure the capture filter to allow blocking reads, and to filter
- out packets that are not of interest to this demo. */
- prvConfigureCaptureBehaviour();
- }
-
- /* The device list is no longer required. */
- pcap_freealldevs( pxAllNetworkInterfaces );
-}
-/*-----------------------------------------------------------*/
-
-static void prvConfigureCaptureBehaviour( void )
-{
-struct bpf_program xFilterCode;
-const long lMinBytesToCopy = 10L, lBlocking = 0L;
-unsigned long ulNetMask;
-
- /* Unblock a read as soon as anything is received. */
- pcap_setmintocopy( pxOpenedInterfaceHandle, lMinBytesToCopy );
-
- /* Allow blocking. */
- pcap_setnonblock( pxOpenedInterfaceHandle, lBlocking, cErrorBuffer );
-
- /* Set up a filter so only the packets of interest are passed to the uIP
- stack. cErrorBuffer is used for convenience to create the string. Don't
- confuse this with an error message. */
- sprintf( cErrorBuffer, "broadcast or multicast or host %d.%d.%d.%d", configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
-
- ulNetMask = ( configNET_MASK3 << 24UL ) | ( configNET_MASK2 << 16UL ) | ( configNET_MASK1 << 8L ) | configNET_MASK0;
-
- if( pcap_compile(pxOpenedInterfaceHandle, &xFilterCode, cErrorBuffer, 1, ulNetMask ) < 0 )
- {
- printf("\r\nThe packet filter string is invalid\r\n" );
- }
- else
- {
- if( pcap_setfilter( pxOpenedInterfaceHandle, &xFilterCode ) < 0 )
- {
- printf( "\r\nAn error occurred setting the packet filter.\r\n" );
- }
- }
-
- /* Create a task that simulates an interrupt in a real system. This will
- block waiting for packets, then send a message to the uIP task when data
- is available. */
- xTaskCreate( prvInterruptSimulator, ( signed char * ) "MAC_ISR", configMINIMAL_STACK_SIZE, NULL, ( configuIP_TASK_PRIORITY - 1 ), NULL );
-}
-/*-----------------------------------------------------------*/
-
-static void prvInterruptSimulator( void *pvParameters )
-{
-static struct pcap_pkthdr *pxHeader;
-const unsigned char *pucPacketData;
-extern QueueHandle_t xEMACEventQueue;
-const unsigned long ulRxEvent = uipETHERNET_RX_EVENT;
-long lResult;
-
- /* Just to kill the compiler warning. */
- ( void ) pvParameters;
-
- for( ;; )
- {
- /* Get the next packet. */
- lResult = pcap_next_ex( pxOpenedInterfaceHandle, &pxHeader, &pucPacketData );
- if( lResult )
- {
- /* Is the next buffer into which data should be placed free? */
- if( lLengthOfDataInBuffer[ ucNextBufferToFill ] == 0L )
- {
- /* Copy the data from the captured packet into the buffer. */
- memcpy( pucEthernetBufferPointers[ ucNextBufferToFill ], pucPacketData, pxHeader->len );
-
- /* Note the amount of data that was copied. */
- lLengthOfDataInBuffer[ ucNextBufferToFill ] = pxHeader->len;
-
- /* Move onto the next buffer, wrapping around if necessary. */
- ucNextBufferToFill++;
- if( ucNextBufferToFill >= archNUM_BUFFER_POINTERS )
- {
- ucNextBufferToFill = 0U;
- }
-
- /* Data was received and stored. Send a message to the uIP task
- to let it know. */
- xQueueSendToBack( xEMACEventQueue, &ulRxEvent, portMAX_DELAY );
- }
- }
- }
-}
-
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