X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=conn.go;h=4b88f13740c915c7d4a906462934377dbf5925f1;hb=0c0a261a6ef4fddfc34a9150005f7964cc69c420;hp=1542abda9935a85b1afdefb4b49b05861b78cd9b;hpb=b103a48ba4f6dd5ecad2ece2529c0aadf9680658;p=tofuproxy.git

diff --git a/conn.go b/conn.go
index 1542abd..4b88f13 100644
--- a/conn.go
+++ b/conn.go
@@ -1,4 +1,5 @@
 /*
+tofuproxy -- flexible HTTP/WARC proxy with TLS certificates management
 Copyright (C) 2021 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
@@ -14,7 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-package main
+package tofuproxy
 
 import (
 	"net"
@@ -25,6 +26,7 @@ import (
 type SingleConn struct {
 	conn net.Conn
 	ln   *SingleListener
+	once sync.Once
 }
 
 func (conn *SingleConn) Read(b []byte) (int, error) { return conn.conn.Read(b) }
@@ -32,7 +34,7 @@ func (conn *SingleConn) Read(b []byte) (int, error) { return conn.conn.Read(b) }
 func (conn *SingleConn) Write(b []byte) (int, error) { return conn.conn.Write(b) }
 
 func (conn *SingleConn) Close() error {
-	conn.ln.Unlock()
+	conn.once.Do(conn.ln.Unlock)
 	return conn.conn.Close()
 }
 
@@ -62,7 +64,7 @@ func (ln *SingleListener) Accept() (net.Conn, error) {
 		return nil, AlreadyAccepted{}
 	}
 	ln.accepted = true
-	return &SingleConn{ln.conn, ln}, nil
+	return &SingleConn{conn: ln.conn, ln: ln}, nil
 }
 
 func (ln *SingleListener) Close() error { return nil }