did you actually read the question (the 1st post in the forum under this topic)? I have written the code explicitly there: if(!m_udpSocket.is_open()) { m_udpSocket.open(m_localEndpoint.protocol(), errorCode); //m_localEndpoint is address 0.0.0.0 and port X if(errorCode) { std::cerr << "Unable to open socket: " << errorCode.message() << std::endl; } else { m_udpSocket.set_option(boost::asio::socket_base::reuse_address(true), errorCode); if(errorCode) { std::cerr << "Reuse address option set failure. " << errorCode.message() << std::endl; } m_udpSocket.set_option(boost::asio::socket_base::broadcast(true), errorCode); if(errorCode) { std::cerr << "Socket cannot send broadcast. " << errorCode.message() << std::endl; } else { m_udpSocket.bind(m_localEndpoint, errorCode); if(errorCode) { std::cerr << "Socket cannot bind...!! " << errorCode.message() << std::endl; } } } } Do you mean there's anything wrong with this? On Mon, Jan 13, 2014 at 11:42 PM, Cliff Green-3 [via Boost] <ml-node+s2283326n4657774h92@n4.nabble.com> wrote:
{boost::asio::ip::address::from_string("255.255.255.255"), Y}; //Y=some unsigned short Is this wrong? But why would it affect binding and stuff anyway?
You must set the broadcast socket option to send to a broadcast address (check out the Asio socket options).
Cliff
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