mbed-os/libraries/tests/net/echo/tcp_server/main.cpp

35 lines
868 B
C++

#include "mbed.h"
#include "EthernetInterface.h"
#define ECHO_SERVER_PORT 7
int main (void) {
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
printf("IP Address is %s\n", eth.getIPAddress());
TCPSocketServer server;
server.bind(ECHO_SERVER_PORT);
server.listen();
while (true) {
printf("\nWait for new connection...\n");
TCPSocketConnection client;
server.accept(client);
client.set_blocking(false, 1500); // Timeout after (1.5)s
printf("Connection from: %s\n", client.get_address());
char buffer[256];
while (true) {
int n = client.receive(buffer, sizeof(buffer));
if (n <= 0) break;
client.send_all(buffer, n);
if (n <= 0) break;
}
client.close();
}
}