| var mapWebSocketToTCP = map[string]string{"ws": "tcp", "ws4": "tcp4", "ws6": "tcp6", "wsh": "tcp", "wsh4": "tcp4", "wsh6": "tcp6", "tcp": "tcp", "tcp4": "tcp4", "tcp6": "tcp6"} |
| // HybridDial returns net.Conn that can be used with a HybridListener but |
| // always uses tcp. A client must specifically elect to use websockets by |
| // calling websocket.Dialer. The returned net.Conn will report 'tcp' as its |
| func HybridDial(network, address string, timeout time.Duration) (net.Conn, error) { |
| tcp := mapWebSocketToTCP[network] |
| return net.DialTimeout(tcp, address, timeout) |
| // HybridListener returns a net.Listener that supports both tcp and |
| // websockets over the same, single, port. A listen address of |
| // --veyron.tcp.protocol=wsh --veyron.tcp.address=127.0.0.1:8101 means |
| // that port 8101 can accept connections that use either tcp or websocket. |
| // The listener looks at the first 4 bytes of the incoming data stream |
| // to decide if it's a websocket protocol or not. These must be 'GET ' for |
| // websockets, all other protocols must guarantee to not send 'GET ' as the |
| // first four bytes of the payload. |
| func HybridListener(protocol, address string) (net.Listener, error) { |
| return listener(protocol, address, true) |