wxDatagramSocket BroadCast

wxDatagramSocket BroadCast [转贴 2009-09-16 16:08:29]   

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wxSocketBase::Initialize();

wxIPV4address BroadCastAddress; // For broadcast sending 

wxIPV4address LocalAddress; // For the listening 

LocalAddress.AnyAddress(); 

BroadCastAddress.Hostname(_("255.255.255.255")); 

BroadCastAddress.Service(1667); // port on which we listen for the answers 

LocalAddress.Service(1667); // port on which we listen for the answers 

// Create the socket 

wxDatagramSocket* Socket = new wxDatagramSocket(LocalAddress, wxSOCKET_REUSEADDR); 

static const int b = 1; 

Socket->SetOption(SOL_SOCKET, SO_BROADCAST, &b, sizeof(b) ); 

char* message = "hello";

Socket->SendTo(BroadCastAddress, message, strlen(message)); 

// Check for any errors 

int count = Socket->LastCount(); 

if( Socket->Error() ) 

{ 

wxSocketError err = Socket->LastError(); 

}

wxSocketBase::Shutdown();