2018-08-28 16:06:14 +00:00
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/* Net-suite test code
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event_loop.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "driver/uart.h"
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#include "esp_console.h"
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#include "esp_vfs_dev.h"
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#include "linenoise/linenoise.h"
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#include "lwip/err.h"
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#include "lwip/sys.h"
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#include "lwip/debug.h"
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#include "lwip/stats.h"
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#include "lwip/tcp.h"
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void nettestif_input(void *buffer, u16_t len);
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/* these data configures ARP cache so the test IPs are knows */
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static char arp1[] = {
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2019-06-19 07:31:47 +00:00
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x08, 0x06, 0x00, 0x01,
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0x08, 0x00, 0x06, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x0a, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0a, 0x00, 0x00, 0x01
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2018-08-28 16:06:14 +00:00
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};
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/* Test data (ICMP packet) for verification of tcp ip test netif
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00-00-00-00-00-01-00-00-00-00-00-02-08-00-45-00-00-1c-00-00-00-00-ff-01-a7-de-0a-00-00-02-0a-00-00-01-08-00-f7-fd-00-01-00-01
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*/
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/* creating test pcb */
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static struct tcp_pcb *test_pcb;
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err_t test_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)
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{
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return ERR_OK;
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}
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void test_error(void *arg, err_t err)
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{
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printf("Error CB from pcb %d\n", err);
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}
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err_t test_poll(void *arg, struct tcp_pcb *tpcb)
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{
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return ERR_OK;
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}
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err_t test_accept(void *arg, struct tcp_pcb *newpcb, err_t err)
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{
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LWIP_UNUSED_ARG(arg);
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LWIP_UNUSED_ARG(err);
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tcp_setprio(newpcb, TCP_PRIO_MIN);
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tcp_arg(newpcb, NULL);
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tcp_recv(newpcb, test_recv);
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tcp_err(newpcb, test_error);
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tcp_poll(newpcb, test_poll, 0);
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return ERR_OK;
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}
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void test_tcp_init(void)
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{
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test_pcb = tcp_new();
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if (test_pcb != NULL) {
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err_t err;
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/* Binding this test_pcb to 4242 to accept connections on this port
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* - this has to be configured as DUT endpoint
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* - all network traffic from and to network stack is tracked in nettestif
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*/
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err = tcp_bind(test_pcb, IP_ADDR_ANY, 4242);
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if (err == ERR_OK) {
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test_pcb = tcp_listen(test_pcb);
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tcp_accept(test_pcb, test_accept);
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} else {
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printf("cannot bind test_pcb\n");
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abort();
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}
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} else {
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printf("cannot create test_pcb\n");
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abort();
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}
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}
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/**
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* @brief Process line read from serial input, character by character
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*
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* Converts from hex string to byte stream, so it can be processed
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* in test network interface
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*
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* @param line
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* @param packet
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*
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* @return size of packet
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*/
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static size_t process_line(char* line, char* packet)
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{
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size_t count = 0;
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size_t i;
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for (i=0; i< strlen(line); i++) {
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char c = line[i];
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// accept both separators between bytes
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if (c == '-' || c == ' ') {
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++count;
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// Processing numeric characters
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} else if (c >= '0' && c <= '9') {
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packet[count] *= 16;
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packet[count] += c - '0';
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// Processing alpha-numeric hex characters
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} else if (c >= 'a' && c <= 'f') {
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packet[count] *= 16;
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packet[count] += c - 'a' + 10;
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}
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}
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if (i>0 && strlen(line)>0) {
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count++;
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}
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return count;
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}
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void app_main()
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{
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char packet[128];
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tcpip_adapter_ip_info_t ip_info;
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uint8_t ap_mac[6] = { 0,0,0,0,0,1};
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IP4_ADDR(&ip_info.ip, 10, 0 , 0, 1);
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IP4_ADDR(&ip_info.gw, 10, 0 , 0, 1);
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2019-06-19 07:31:47 +00:00
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IP4_ADDR(&ip_info.netmask, 255, 255 , 255, 0);
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2018-08-28 16:06:14 +00:00
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tcpip_adapter_init();
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tcpip_adapter_test_start(ap_mac, &ip_info);
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// initializes TCP endpoint on DUT per https://github.com/intel/net-test-suites#21-endpoints
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test_tcp_init();
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// Inject ARP packet to let the network stack know about IP/MAC of the counterpart
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nettestif_input(arp1, sizeof(arp1));
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// Initialize VFS & UART so we can use std::cout/cin
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setvbuf(stdin, NULL, _IONBF, 0);
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setvbuf(stdout, NULL, _IONBF, 0);
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/* Install UART driver for interrupt-driven reads and writes */
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2019-06-19 07:31:47 +00:00
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ESP_ERROR_CHECK( uart_driver_install( (uart_port_t)CONFIG_ESP_CONSOLE_UART_NUM,
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2018-08-28 16:06:14 +00:00
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256, 0, 0, NULL, 0) );
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/* Tell VFS to use UART driver */
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2019-06-19 07:31:47 +00:00
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esp_vfs_dev_uart_use_driver(CONFIG_ESP_CONSOLE_UART_NUM);
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2018-08-28 16:06:14 +00:00
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esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);
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/* Move the caret to the beginning of the next line on '\n' */
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esp_vfs_dev_uart_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);
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linenoiseSetDumbMode(1);
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/* Now read from stdin and pass the data to test netif */
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while (1) {
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size_t size;
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char* line = linenoise("");
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if (!line) {
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continue;
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}
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size = process_line(line, packet);
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nettestif_input(packet, size);
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linenoiseFree(line);
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}
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}
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