Hiroshi Yamaguchi / Mbed 2 deprecated SimpleSocketExamples

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Dependencies:   EthernetInterface SimpleSocket mbed-rtos mbed

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Show/hide line numbers multicast.cpp Source File

multicast.cpp

00001 #include "SimpleSocket.h"
00002 
00003 void multicast() {
00004     Endpoint multicast;
00005     multicast.set_address("239.192.1.100", 50000);
00006     DatagramSocket datagram(multicast);
00007     
00008     while (true) {
00009         Endpoint host;
00010         datagram.setTimeout(1 + (rand() % 5) / 3.0);
00011         if (datagram.receive(host) > 0) {
00012             int value;
00013             datagram.scanf("%d", &value);
00014             char *ip = host.get_address();
00015             printf("received from %s:%d %d\n", ip, host.get_port(), value);
00016         } else {
00017             char* message = "12345!";
00018             datagram.printf(message);
00019             datagram.send(multicast);
00020             printf("sent: %s\n", message);
00021             wait(1);
00022         }
00023     }
00024 }
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