Diff: multicast.cpp

Revision:

32:00114e36de90

Child:

33:39d9cdf99de8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multicast.cpp	Wed Oct 26 12:47:31 2011 +0000
@@ -0,0 +1,25 @@
+#include "EthernetNetIf.h"
+#include "SimpleSocket.h"
+
+
+void multicast() {
+    printf("DatagramSocket/multicast\n");
+    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);
+        }
+    }
+}