void Bind( const IpEndpointName& localEndpoint )
{
struct sockaddr_in bindSockAddr;
SockaddrFromIpEndpointName( bindSockAddr, localEndpoint );
// KEVIN: allow for multicast
SetAllowReuse(true);
struct ip_mreq group;
if (localEndpoint.IsMulticastAddress()) {
group.imr_interface.s_addr = htonl(INADDR_ANY);
group.imr_multiaddr.s_addr = bindSockAddr.sin_addr.s_addr;
if (setsockopt(socket_, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&group, sizeof(group)) < 0) {
throw std::runtime_error("error adding multicast group\n");
closesocket(socket_); // winsock2 equivalent of close()
exit(1);
}
}
bindSockAddr.sin_addr.s_addr = INADDR_ANY;
// KEVIN: the above line needs to be added for winsock2, otherwise bind
// will fail with error 10049 WSAEADDRNOTAVAIL
// solution suggested from: http://www.sockets.com/err_lst1.htm#WSAEADDRNOTAVAIL
if (bind(socket_, (struct sockaddr *)&bindSockAddr, sizeof(bindSockAddr)) < 0) {
throw std::runtime_error("unable to bind udp socket\n");
}
isBound_ = true;
}
void Bind( const IpEndpointName& localEndpoint )
{
struct sockaddr_in bindSockAddr;
SockaddrFromIpEndpointName( bindSockAddr, localEndpoint );
if (localEndpoint.IsMulticastAddress()) {
group.imr_interface.s_addr = htonl(INADDR_ANY);
group.imr_multiaddr.s_addr = bindSockAddr.sin_addr.s_addr;
if (setsockopt(socket_, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&group, sizeof(group)) < 0) {
throw std::runtime_error("error adding multicast group\n");
close(socket_);
}
}
if (bind(socket_, (struct sockaddr *)&bindSockAddr, sizeof(bindSockAddr)) < 0) {
throw std::runtime_error("unable to bind udp socket\n");
}
isBound_ = true;
}
