| #region Apache License |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to you under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| #endregion |
| |
| // MONO 1.0 has no support for Win32 OutputDebugString API |
| #if !MONO |
| // SSCLI 1.0 has no support for Win32 OutputDebugString API |
| #if !SSCLI |
| // We don't want framework or platform specific code in the CLI version of log4net |
| #if !CLI_1_0 |
| |
| using System.Runtime.InteropServices; |
| |
| using log4net.Layout; |
| using log4net.Core; |
| |
| namespace log4net.Appender |
| { |
| /// <summary> |
| /// Appends log events to the OutputDebugString system. |
| /// </summary> |
| /// <remarks> |
| /// <para> |
| /// OutputDebugStringAppender appends log events to the |
| /// OutputDebugString system. |
| /// </para> |
| /// <para> |
| /// The string is passed to the native <c>OutputDebugString</c> |
| /// function. |
| /// </para> |
| /// </remarks> |
| /// <author>Nicko Cadell</author> |
| /// <author>Gert Driesen</author> |
| public class OutputDebugStringAppender : AppenderSkeleton |
| { |
| #region Public Instance Constructors |
| |
| /// <summary> |
| /// Initializes a new instance of the <see cref="OutputDebugStringAppender" /> class. |
| /// </summary> |
| /// <remarks> |
| /// <para> |
| /// Default constructor. |
| /// </para> |
| /// </remarks> |
| public OutputDebugStringAppender() |
| { |
| } |
| |
| #endregion // Public Instance Constructors |
| |
| #region Override implementation of AppenderSkeleton |
| |
| /// <summary> |
| /// Write the logging event to the output debug string API |
| /// </summary> |
| /// <param name="loggingEvent">the event to log</param> |
| /// <remarks> |
| /// <para> |
| /// Write the logging event to the output debug string API |
| /// </para> |
| /// </remarks> |
| #if NET_4_0 || MONO_4_0 || NETSTANDARD1_3 |
| [System.Security.SecuritySafeCritical] |
| #elif !NETCF |
| [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, UnmanagedCode = true)] |
| #endif |
| override protected void Append(LoggingEvent loggingEvent) |
| { |
| #if NETSTANDARD1_3 |
| if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) |
| { |
| throw new System.PlatformNotSupportedException("OutputDebugString is only available on Windows"); |
| } |
| #endif |
| |
| OutputDebugString(RenderLoggingEvent(loggingEvent)); |
| } |
| |
| /// <summary> |
| /// This appender requires a <see cref="Layout"/> to be set. |
| /// </summary> |
| /// <value><c>true</c></value> |
| /// <remarks> |
| /// <para> |
| /// This appender requires a <see cref="Layout"/> to be set. |
| /// </para> |
| /// </remarks> |
| override protected bool RequiresLayout |
| { |
| get { return true; } |
| } |
| |
| #endregion // Override implementation of AppenderSkeleton |
| |
| #region Protected Static Methods |
| |
| /// <summary> |
| /// Stub for OutputDebugString native method |
| /// </summary> |
| /// <param name="message">the string to output</param> |
| /// <remarks> |
| /// <para> |
| /// Stub for OutputDebugString native method |
| /// </para> |
| /// </remarks> |
| #if NETCF |
| [DllImport("CoreDll.dll")] |
| #else |
| [DllImport("Kernel32.dll")] |
| #endif |
| protected static extern void OutputDebugString(string message); |
| |
| #endregion // Protected Static Methods |
| } |
| } |
| |
| #endif // !CLI_1_0 |
| #endif // !SSCLI |
| #endif // !MONO |