add http2 transport

pkg/dialer/ftcp/conn.go

@@ -0,0 +1,21 @@
+package ftcp
+
+import "net"
+
+type fakeTCPConn struct {
+	raddr net.Addr
+	net.PacketConn
+}
+
+func (c *fakeTCPConn) Read(b []byte) (n int, err error) {
+	n, _, err = c.ReadFrom(b)
+	return
+}
+
+func (c *fakeTCPConn) Write(b []byte) (n int, err error) {
+	return c.WriteTo(b, c.raddr)
+}
+
+func (c *fakeTCPConn) RemoteAddr() net.Addr {
+	return c.raddr
+}