reduce log levels

src/Renci.SshNet/BaseClient.cs

@@ -445,7 +445,7 @@ protected virtual void Dispose(bool disposing)
 
             if (disposing)
             {
-                _logger.LogInformation("Disposing client.");
+                _logger.LogDebug("Disposing client.");
 
                 Disconnect();
 

src/Renci.SshNet/Channels/ChannelDirectTcpip.cs

@@ -160,7 +160,7 @@ private void ShutdownSocket(SocketShutdown how)
                 }
                 catch (SocketException ex)
                 {
-                    _logger.LogWarning(ex, "Failure shutting down socket");
+                    _logger.LogInformation(ex, "Failure shutting down socket");
                 }
             }
         }

src/Renci.SshNet/Channels/ChannelForwardedTcpip.cs

@@ -146,7 +146,7 @@ private void ShutdownSocket(SocketShutdown how)
                 }
                 catch (SocketException ex)
                 {
-                    _logger.LogWarning(ex, "Failure shutting down socket");
+                    _logger.LogInformation(ex, "Failure shutting down socket");
                 }
             }
         }

src/Renci.SshNet/ForwardedPortDynamic.cs

@@ -413,7 +413,7 @@ private void InternalStop(TimeSpan timeout)
 
             if (!_pendingChannelCountdown.Wait(timeout))
             {
-                _logger.LogWarning("Timeout waiting for pending channels in dynamic forwarded port to close.");
+                _logger.LogInformation("Timeout waiting for pending channels in dynamic forwarded port to close.");
             }
         }
 

src/Renci.SshNet/ForwardedPortLocal.cs

@@ -390,7 +390,7 @@ private void InternalStop(TimeSpan timeout)
 
             if (!_pendingChannelCountdown.Wait(timeout))
             {
-                _logger.LogWarning("Timeout waiting for pending channels in local forwarded port to close.");
+                _logger.LogInformation("Timeout waiting for pending channels in local forwarded port to close.");
             }
         }
 

src/Renci.SshNet/ForwardedPortRemote.cs

@@ -212,7 +212,7 @@ protected override void StopPort(TimeSpan timeout)
 
             if (!_pendingChannelCountdown.Wait(timeout))
             {
-                _logger.LogWarning("Timeout waiting for pending channels in remote forwarded port to close.");
+                _logger.LogInformation("Timeout waiting for pending channels in remote forwarded port to close.");
             }
 
             _status = ForwardedPortStatus.Stopped;

src/Renci.SshNet/Security/KeyExchange.cs

@@ -197,7 +197,7 @@ public Cipher CreateServerCipher(out bool isAead)
 
             serverKey = GenerateSessionKey(SharedKey, ExchangeHash, serverKey, _serverCipherInfo.KeySize / 8);
 
-            _logger.LogInformation("[{SessionId}] Creating {ServerEncryption} server cipher.",
+            _logger.LogDebug("[{SessionId}] Creating {ServerEncryption} server cipher.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentServerEncryption);
 
@@ -225,7 +225,7 @@ public Cipher CreateClientCipher(out bool isAead)
 
             clientKey = GenerateSessionKey(SharedKey, ExchangeHash, clientKey, _clientCipherInfo.KeySize / 8);
 
-            _logger.LogInformation("[{SessionId}] Creating {ClientEncryption} client cipher.",
+            _logger.LogDebug("[{SessionId}] Creating {ClientEncryption} client cipher.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentClientEncryption);
 
@@ -258,7 +258,7 @@ public HashAlgorithm CreateServerHash(out bool isEncryptThenMAC)
                                                Hash(GenerateSessionKey(SharedKey, ExchangeHash, 'F', sessionId)),
                                                _serverHashInfo.KeySize / 8);
 
-            _logger.LogInformation("[{SessionId}] Creating {ServerHmacAlgorithm} server hmac algorithm.",
+            _logger.LogDebug("[{SessionId}] Creating {ServerHmacAlgorithm} server hmac algorithm.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentServerHmacAlgorithm);
 
@@ -290,7 +290,7 @@ public HashAlgorithm CreateClientHash(out bool isEncryptThenMAC)
                                                Hash(GenerateSessionKey(SharedKey, ExchangeHash, 'E', sessionId)),
                                                _clientHashInfo.KeySize / 8);
 
-            _logger.LogInformation("[{SessionId}] Creating {ClientHmacAlgorithm} client hmac algorithm.",
+            _logger.LogDebug("[{SessionId}] Creating {ClientHmacAlgorithm} client hmac algorithm.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentClientHmacAlgorithm);
 
@@ -310,7 +310,7 @@ public Compressor CreateCompressor()
                 return null;
             }
 
-            _logger.LogInformation("[{SessionId}] Creating {CompressionAlgorithm} client compressor.",
+            _logger.LogDebug("[{SessionId}] Creating {CompressionAlgorithm} client compressor.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentClientCompressionAlgorithm);
 
@@ -334,7 +334,7 @@ public Compressor CreateDecompressor()
                 return null;
             }
 
-            _logger.LogInformation("[{SessionId}] Creating {ServerCompressionAlgorithm} server decompressor.",
+            _logger.LogDebug("[{SessionId}] Creating {ServerCompressionAlgorithm} server decompressor.",
                                                     Session.SessionIdHex,
                                                     Session.ConnectionInfo.CurrentServerCompressionAlgorithm);
 

src/Renci.SshNet/Session.cs

@@ -1047,7 +1047,10 @@ internal void SendMessage(Message message)
                 WaitOnHandle(_keyExchangeCompletedWaitHandle.WaitHandle);
             }
 
-            _logger.LogInformation("[{SessionId}] Sending message '{MessageType}' to server: '{Message}'.", SessionIdHex, message.GetType().Name, message);
+            if (_logger.IsEnabled(LogLevel.Debug))
+            {
+                _logger.LogDebug("[{SessionId}] Sending message '{MessageType}' to server: '{Message}'.", SessionIdHex, message.GetType().Name, message);
+            }
 
             var paddingMultiplier = _clientCipher is null ? (byte)8 : Math.Max((byte)8, _clientCipher.MinimumSize);
             var packetData = message.GetPacket(paddingMultiplier, _clientCompression, _clientEtm || _clientAead);
@@ -1496,7 +1499,7 @@ internal void OnKeyExchangeInitReceived(KeyExchangeInitMessage message)
             {
                 _isStrictKex = true;
 
-                _logger.LogInformation("[{SessionId}] Enabling strict key exchange extension.", SessionIdHex);
+                _logger.LogDebug("[{SessionId}] Enabling strict key exchange extension.", SessionIdHex);
 
                 if (_inboundPacketSequence != 1)
                 {
@@ -1512,7 +1515,7 @@ internal void OnKeyExchangeInitReceived(KeyExchangeInitMessage message)
 
             ConnectionInfo.CurrentKeyExchangeAlgorithm = _keyExchange.Name;
 
-            _logger.LogInformation("[{SessionId}] Performing {KeyExchangeAlgorithm} key exchange.", SessionIdHex, ConnectionInfo.CurrentKeyExchangeAlgorithm);
+            _logger.LogDebug("[{SessionId}] Performing {KeyExchangeAlgorithm} key exchange.", SessionIdHex, ConnectionInfo.CurrentKeyExchangeAlgorithm);
 
             _keyExchange.HostKeyReceived += KeyExchange_HostKeyReceived;
 
@@ -1828,7 +1831,10 @@ private Message LoadMessage(byte[] data, int offset, int count)
             var message = _sshMessageFactory.Create(messageType);
             message.Load(data, offset + 1, count - 1);
 
-            _logger.LogInformation("[{SessionId}] Received message '{MessageType}' from server: '{Message}'.", SessionIdHex, message.GetType().Name, message);
+            if (_logger.IsEnabled(LogLevel.Debug))
+            {
+                _logger.LogDebug("[{SessionId}] Received message '{MessageType}' from server: '{Message}'.", SessionIdHex, message.GetType().Name, message);
+            }
 
             return message;
         }
@@ -1968,7 +1974,7 @@ private void SocketDisconnectAndDispose()
                         {
                             try
                             {
-                                _logger.LogInformation("[{SessionId}] Shutting down socket.", SessionIdHex);
+                                _logger.LogDebug("[{SessionId}] Shutting down socket.", SessionIdHex);
 
                                 // Interrupt any pending reads; should be done outside of socket read lock as we
                                 // actually want shutdown the socket to make sure blocking reads are interrupted.
@@ -1980,13 +1986,13 @@ private void SocketDisconnectAndDispose()
                             }
                             catch (SocketException ex)
                             {
-                                _logger.LogWarning(ex, "Failure shutting down socket");
+                                _logger.LogInformation(ex, "Failure shutting down socket");
                             }
                         }
 
-                        _logger.LogInformation("[{SessionId}] Disposing socket.", SessionIdHex);
+                        _logger.LogDebug("[{SessionId}] Disposing socket.", SessionIdHex);
                         _socket.Dispose();
-                        _logger.LogInformation("[{SessionId}] Disposed socket.", SessionIdHex);
+                        _logger.LogDebug("[{SessionId}] Disposed socket.", SessionIdHex);
                         _socket = null;
                     }
                 }
@@ -2170,7 +2176,7 @@ protected virtual void Dispose(bool disposing)
 
             if (disposing)
             {
-                _logger.LogInformation("[{SessionId}] Disposing session.", SessionIdHex);
+                _logger.LogDebug("[{SessionId}] Disposing session.", SessionIdHex);
 
                 Disconnect();
 

test/Renci.SshNet.IntegrationTests/TestsFixtures/IntegrationTestBase.cs

@@ -63,7 +63,7 @@ static IntegrationTestBase()
         {
             ILoggerFactory loggerFactory = LoggerFactory.Create(builder =>
             {
-                builder.SetMinimumLevel(LogLevel.Debug);
+                builder.SetMinimumLevel(LogLevel.Information);
                 builder.AddConsole();
             });