From b09eb1213c699d00d15cd0fa7f8e3e03672a74f9 Mon Sep 17 00:00:00 2001
From: Christian Kratky <christian.kratky@googlemail.com>
Date: Sun, 8 Jul 2018 22:04:06 +0200
Subject: [PATCH] Refactor logging.

---
 Source/MQTTnet/Implementations/MqttTcpServerListener.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Source/MQTTnet/Implementations/MqttTcpServerListener.cs b/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
index 7f9ffbd..e352297 100644
--- a/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
+++ b/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
@@ -78,8 +78,10 @@ namespace MQTTnet.Implementations
                         await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false).ConfigureAwait(false);
                     }
 
-                    var protocol = _addressFamily == AddressFamily.InterNetwork ? "ipv4" : "ipv6";
-                    _logger.Verbose($"Client '{clientSocket.RemoteEndPoint}' accepted by TCP listener '{_socket.LocalEndPoint}, {protocol}'.");
+                    _logger.Verbose("Client '{0}' accepted by TCP listener '{1}, {2}'.",
+                        clientSocket.RemoteEndPoint,
+                        _socket.LocalEndPoint,
+                        _addressFamily == AddressFamily.InterNetwork ? "ipv4" : "ipv6");
 
                     var clientAdapter = new MqttChannelAdapter(new MqttTcpChannel(clientSocket, sslStream), new MqttPacketSerializer(), _logger);
                     ClientAccepted?.Invoke(this, new MqttServerAdapterClientAcceptedEventArgs(clientAdapter));