Hiroshi Yamaguchi / Mbed 2 deprecated SimpleSocketExamples 1.0

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Dependencies:   EthernetNetIf SimpleSocket 1.0 mbed

multicast.cpp

Committer:
yamaguch
Date:
2012-06-06
Revision:
39:108499af2b53

File content as of revision 39:108499af2b53:

#include "EthernetNetIf.h"
#include "SimpleSocket.h"

void multicast() {
    EthernetNetIf eth;
    eth.setup();
    
    Host multicast(IpAddr(239, 192, 1, 100), 50000);
    DatagramSocket datagram(multicast);
    
    while (true) {
        Host host;
        if (datagram.receive(&host, 1 + (rand() % 5) / 3.0) > 0) {
            int value;
            datagram.scanf("%d", &value);
            IpAddr ip = host.getIp();
            printf("received from %d.%d.%d.%d:%d %d\n", ip[0], ip[1], ip[2], ip[3], host.getPort(), value);
        } else {
            char* message = "12345!";
            datagram.printf(message);
            datagram.send(multicast);
            printf("sent: %s\n", message);
            wait(1);
        }
    }
}