mbed official / Socket

mbed socket API

Dependents:   EthernetInterface EthernetInterface_RSF EthernetInterface EthernetInterface ... more

Deprecated

This is an mbed 2 sockets library. For mbed 5, network sockets have been revised to better support additional network stacks and thread safety here.

Diff: UDPSocket.cpp

Revision:
16:2d471deff212
Parent:
11:3d83c348fb8b
Child:
18:d56496360fc9
--- a/UDPSocket.cpp	Mon Aug 13 09:38:00 2012 +0000
+++ b/UDPSocket.cpp	Fri Mar 01 15:30:16 2013 +0000
@@ -49,6 +49,21 @@
     return 0;
 }
 
+int UDPSocket::join_multicast_group(const char* address) {
+    struct ip_mreq mreq;
+    
+    // Set up group address 
+    mreq.imr_multiaddr.s_addr = inet_addr(address);
+    mreq.imr_interface.s_addr = htonl(INADDR_ANY);
+    
+    return set_option(IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+}
+
+int UDPSocket::set_broadcasting(void) {
+    int option = 1;
+    return set_option(SOL_SOCKET, SO_BROADCAST, &option, sizeof(option));
+}
+
 // -1 if unsuccessful, else number of bytes written
 int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) {
     if (_sock_fd < 0)