Change algorithm of TCP relaying

mtglib/internal/relay/conn.go

@@ -1,35 +1,19 @@
 package relay
 
 import (
-	"context"
-	"io"
+	"fmt"
+	"net"
+	"time"
 )
 
 type conn struct {
-	io.ReadWriteCloser
-
-	ctx         context.Context
-	tickChannel chan struct{}
+	net.Conn
 }
 
 func (c conn) Read(p []byte) (int, error) {
-	n, err := c.ReadWriteCloser.Read(p)
-
-	select {
-	case <-c.ctx.Done():
-	case c.tickChannel <- struct{}{}:
+	if err := c.SetReadDeadline(time.Now().Add(getTimeout())); err != nil {
+		return 0, fmt.Errorf("cannot set read deadline: %w", err)
 	}
 
-	return n, err // nolint: wrapcheck
-}
-
-func (c conn) Write(p []byte) (int, error) {
-	n, err := c.ReadWriteCloser.Write(p)
-
-	select {
-	case <-c.ctx.Done():
-	case c.tickChannel <- struct{}{}:
-	}
-
-	return n, err // nolint: wrapcheck
+	return c.Conn.Read(p) // nolint: wrapcheck
 }