From 4138cc649408df36b94b0093bfc9f4500718313e Mon Sep 17 00:00:00 2001
From: 9seconds <nineseconds@yandex.ru>
Date: Fri, 13 Mar 2026 11:31:28 +0100
Subject: [PATCH] Use SyncWrite call to send a packet to proxy

---
 mtglib/internal/doppel/conn_test.go | 4 ++--
 mtglib/proxy.go                     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mtglib/internal/doppel/conn_test.go b/mtglib/internal/doppel/conn_test.go
index f8adb91..eec1f6f 100644
--- a/mtglib/internal/doppel/conn_test.go
+++ b/mtglib/internal/doppel/conn_test.go
@@ -247,7 +247,7 @@ func (suite *ConnTestSuite) TestSyncWriteBlocksAsyncWrite() {
 
 	go func() {
 		defer close(syncDone)
-		c.SyncWrite([]byte("exclusive"))
+		c.SyncWrite([]byte("exclusive")) //nolint: errcheck
 	}()
 
 	// Give SyncWrite time to acquire the lock.
@@ -258,7 +258,7 @@ func (suite *ConnTestSuite) TestSyncWriteBlocksAsyncWrite() {
 
 	go func() {
 		defer close(writeDone)
-		c.Write([]byte("blocked"))
+		c.Write([]byte("blocked")) //nolint: errcheck
 	}()
 
 	// SyncWrite should finish first.
diff --git a/mtglib/proxy.go b/mtglib/proxy.go
index da1b636..4afcdd8 100644
--- a/mtglib/proxy.go
+++ b/mtglib/proxy.go
@@ -90,7 +90,7 @@ func (p *Proxy) ServeConn(conn essentials.Conn) {
 	}
 	defer clientConn.Stop()
 
-	if _, err := clientConn.Write(noise); err != nil {
+	if _, err := clientConn.SyncWrite(noise); err != nil {
 		ctx.logger.InfoError("cannot send the first packet", err)
 		return
 	}