tool/mbed/mbed-sdk/libraries/tests/net/echo/tcp_client/main.cpp

   1 #include "mbed.h"
   2 #include "test_env.h"
   3 #include "EthernetInterface.h"
   4
   5 struct s_ip_address {
   6     int ip_1;
   7     int ip_2;
   8     int ip_3;
   9     int ip_4;
  10 };
  11
  12 int main() {
  13     MBED_HOSTTEST_TIMEOUT(20);
  14     MBED_HOSTTEST_SELECT(tcpecho_client_auto);
  15     MBED_HOSTTEST_DESCRIPTION(TCP echo client);
  16     MBED_HOSTTEST_START("NET_4");
  17
  18     char buffer[256] = {0};
  19     char out_buffer[] = "Hello World\n";
  20     char out_success[] = "{{success}}\n{{end}}\n";
  21     char out_failure[] = "{{failure}}\n{{end}}\n";
  22     s_ip_address ip_addr = {0, 0, 0, 0};
  23     int port = 0;
  24
  25     printf("TCPCllient waiting for server IP and port..." NL);
  26     scanf("%d.%d.%d.%d:%d", &ip_addr.ip_1, &ip_addr.ip_2, &ip_addr.ip_3, &ip_addr.ip_4, &port);
  27     printf("Address received:%d.%d.%d.%d:%d" NL, ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4, port);
  28
  29     EthernetInterface eth;
  30     eth.init(); //Use DHCP
  31     eth.connect();
  32
  33     printf("TCPClient IP Address is %s" NL, eth.getIPAddress());
  34     sprintf(buffer, "%d.%d.%d.%d", ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4);
  35
  36     TCPSocketConnection socket;
  37     while (socket.connect(buffer, port) < 0) {
  38         printf("TCPCllient unable to connect to %s:%d" NL, buffer, port);
  39         wait(1);
  40     }
  41
  42     socket.send_all(out_buffer, sizeof(out_buffer) - 1);
  43
  44     int n = socket.receive(buffer, sizeof(buffer));
  45     if (n > 0)
  46     {
  47         buffer[n] = '\0';
  48         printf("%s", buffer);
  49         if (strncmp(out_buffer, buffer, sizeof(out_buffer) - 1) == 0) {
  50             socket.send_all(out_success, sizeof(out_success) - 1);
  51         }
  52     }
  53
  54     socket.send_all(out_failure, sizeof(out_failure) - 1);
  55
  56     socket.close();
  57     eth.disconnect();
  58     return 0;
  59 }