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What I have : A C++ application server running, Ready to send data to client which is supposed to a HTML5 page or app.
What I want : Is there any way to communicate using udp port with HTML5 given both c++ server and HTML5 app are local to system ?
What I know :
Is the answer still 'NO' ?
Is there any work-around possible ?
Any lead is appreciated.
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UDP packets are not encrypted, so any data sent over these packets could be sniffed and read by an attacker, or even modified in transmit. It would be a massive step back for web security to create a new way for browsers to send unencrypted packets.
UDP is connectionless. A server can immediately listen for messages once it has a socket.
As far as I remember bind is not required for a UDP socket because a bind call is made for you by the stack.
Yes, the answer is still 'no'. Websockets are TCP based. Note that a WebSocket is not a plain TCP connection, there is HTTP negotiation and a framing protocol in place. So you also cannot create a plain TCP connection in Javascript.
WebRTC is based on UDP, it may cover your use cases: http://www.html5rocks.com/en/tutorials/webrtc/datachannels/
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Chrome now seems to have something: https://developer.chrome.com/apps/sockets_udp
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