Function IsWebSocketUpgrade

server.go:325–328

IsWebSocketUpgrade returns true if the client requested upgrade to the WebSocket protocol.

(r *http.Request)

// IsWebSocketUpgrade returns true if the client requested upgrade to the
// WebSocket protocol.
func IsWebSocketUpgrade(r *http.Request) bool {
	return tokenListContainsValue(r.Header, "Connection", "upgrade") &&
		tokenListContainsValue(r.Header, "Upgrade", "websocket")
}

// bufioReaderSize size returns the size of a bufio.Reader.
func bufioReaderSize(originalReader io.Reader, br *bufio.Reader) int {