Proxy is working in a simple mode now

mtglib/internal/relay/conn.go

@@ -0,0 +1,33 @@
+package relay
+
+import "io"
+
+type conn struct {
+	io.ReadWriteCloser
+
+	relay *Relay
+}
+
+func (c conn) Read(p []byte) (int, error) {
+	ctx := c.relay.ctx
+	n, err := c.ReadWriteCloser.Read(p)
+
+	select {
+	case <-ctx.Done():
+	case c.relay.tickChannel <- struct{}{}:
+	}
+
+	return n, err // nolint: wrapcheck
+}
+
+func (c conn) Write(p []byte) (int, error) {
+	ctx := c.relay.ctx
+	n, err := c.ReadWriteCloser.Write(p)
+
+	select {
+	case <-ctx.Done():
+	case c.relay.tickChannel <- struct{}{}:
+	}
+
+	return n, err // nolint: wrapcheck
+}