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#include "mbed.h"
#include "test_env.h"
#include "EthernetInterface.h"
namespace {
const int ECHO_SERVER_PORT = 7;
const int BUFFER_SIZE = 64;
}
int main (void) {
MBED_HOSTTEST_TIMEOUT(20);
MBED_HOSTTEST_SELECT(udpecho_server_auto);
MBED_HOSTTEST_DESCRIPTION(UDP echo server);
MBED_HOSTTEST_START("NET_5");
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
printf("MBED: Server IP Address is %s:%d\r\n", eth.getIPAddress(), ECHO_SERVER_PORT);
UDPSocket server;
server.bind(ECHO_SERVER_PORT);
Endpoint client;
char buffer[BUFFER_SIZE] = {0};
printf("MBED: Waiting for packet...\r\n");
while (true) {
int n = server.receiveFrom(client, buffer, sizeof(buffer));
if (n > 0) {
//printf("Received packet from: %s\n", client.get_address());
const int buffer_string_end_index = n >= BUFFER_SIZE ? BUFFER_SIZE-1 : n;
buffer[buffer_string_end_index] = '\0';
//printf("Server received: %s\n", buffer);
server.sendTo(client, buffer, n);
}
}
}
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