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RIOT/tests/lwip/ip.c 4.37 KB
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2015 Freie Universitรคt Berlin
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup     tests
   * @{
   *
   * @file
   *
   * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
   * @}
   */
  
  #include <stdbool.h>
  #include <stdint.h>
  #include <stdio.h>
  
  #include "common.h"
  #include "od.h"
  #include "net/af.h"
  #include "net/sock/ip.h"
  #include "net/ipv6.h"
  #include "shell.h"
  #include "thread.h"
  #include "xtimer.h"
  
  #ifdef MODULE_SOCK_IP
  static char sock_inbuf[SOCK_INBUF_SIZE];
  static bool server_running;
  static sock_ip_t server_sock;
  static char server_stack[THREAD_STACKSIZE_DEFAULT];
  static msg_t server_msg_queue[SERVER_MSG_QUEUE_SIZE];
  
  static void *_server_thread(void *args)
  {
      sock_ip_ep_t server_addr = SOCK_IPV6_EP_ANY;
      uint8_t protocol;
  
      msg_init_queue(server_msg_queue, SERVER_MSG_QUEUE_SIZE);
      /* parse protocol */
      protocol = atoi(args);
      if (sock_ip_create(&server_sock, &server_addr, NULL, protocol, 0) < 0) {
          return NULL;
      }
      server_running = true;
      printf("Success: started IP server on protocol %u\n", protocol);
      while (1) {
          int res;
          sock_ip_ep_t src;
  
          if ((res = sock_ip_recv(&server_sock, sock_inbuf, sizeof(sock_inbuf),
                                  SOCK_NO_TIMEOUT, &src)) < 0) {
              puts("Error on receive");
          }
          else if (res == 0) {
              puts("No data received");
          }
          else {
              char addrstr[IPV6_ADDR_MAX_STR_LEN];
  
              printf("Received IP data from [%s]:\n",
                     ipv6_addr_to_str(addrstr, (ipv6_addr_t *)&src.addr.ipv6,
                                      sizeof(addrstr)));
              od_hex_dump(sock_inbuf, res, 0);
          }
      }
      return NULL;
  }
  
  static int ip_send(char *addr_str, char *port_str, char *data, unsigned int num,
                     unsigned int delay)
  {
      sock_ip_ep_t dst = SOCK_IPV6_EP_ANY;
      uint8_t protocol;
      uint8_t byte_data[SHELL_DEFAULT_BUFSIZE / 2];
      size_t data_len;
  
      /* parse destination address */
      if (ipv6_addr_from_str((ipv6_addr_t *)&dst.addr.ipv6, addr_str) == NULL) {
          puts("Error: unable to parse destination address");
          return 1;
      }
      /* parse protocol */
      protocol = atoi(port_str);
      data_len = hex2ints(byte_data, data);
      for (unsigned int i = 0; i < num; i++) {
          sock_ip_t *sock = NULL;
  
          if (server_running) {
              sock = &server_sock;
          }
          if (sock_ip_send(sock, byte_data, data_len, protocol, &dst) < 0) {
              puts("could not send");
          }
          else {
              printf("Success: send %u byte over IPv6 to %s (next header: %u)\n",
                     (unsigned)data_len, addr_str, protocol);
          }
          xtimer_usleep(delay);
      }
      return 0;
  }
  
  static int ip_start_server(char *port_str)
  {
      if (thread_create(server_stack, sizeof(server_stack), THREAD_PRIORITY_MAIN - 1,
                        THREAD_CREATE_STACKTEST, _server_thread, port_str,
                        "IP server") <= KERNEL_PID_UNDEF) {
          return 1;
      }
      return 0;
  }
  
  int ip_cmd(int argc, char **argv)
  {
      if (argc < 2) {
          printf("usage: %s [send|server]\n", argv[0]);
          return 1;
      }
  
      if (strcmp(argv[1], "send") == 0) {
          uint32_t num = 1;
          uint32_t delay = 1000000;
          if (argc < 5) {
              printf("usage: %s send <addr> <protocol> <hex data> [<num> [<delay in us>]]\n",
                     argv[0]);
              return 1;
          }
          if (argc > 5) {
              num = atoi(argv[5]);
          }
          if (argc > 6) {
              delay = atoi(argv[6]);
          }
          return ip_send(argv[2], argv[3], argv[4], num, delay);
      }
      else if (strcmp(argv[1], "server") == 0) {
          if (argc < 3) {
              printf("usage: %s server [start|stop]\n", argv[0]);
              return 1;
          }
          if (strcmp(argv[2], "start") == 0) {
              if (argc < 4) {
                  printf("usage %s server start <protocol>\n", argv[0]);
                  return 1;
              }
              return ip_start_server(argv[3]);
          }
          else {
              puts("error: invalid command");
              return 1;
          }
      }
      else {
          puts("error: invalid command");
          return 1;
      }
  }
  #else
  typedef int dont_be_pedantic;
  #endif
  
  /** @} */