1 files changed, 79 insertions, 0 deletions
diff --git a/Utils/src/Logging/ILogProvider.cs b/Utils/src/Logging/ILogProvider.cs
new file mode 100644
index 0000000..55dbd6f
--- /dev/null
+++ b/Utils/src/Logging/ILogProvider.cs
@@ -0,0 +1,79 @@
+/*
+* Copyright (c) 2022 Vaughn Nugent
+* 
+* Library: VNLib
+* Package: VNLib.Utils
+* File: ILogProvider.cs 
+*
+* ILogProvider.cs is part of VNLib.Utils which is part of the larger 
+* VNLib collection of libraries and utilities.
+*
+* VNLib.Utils is free software: you can redistribute it and/or modify 
+* it under the terms of the GNU General Public License as published
+* by the Free Software Foundation, either version 2 of the License,
+* or (at your option) any later version.
+*
+* VNLib.Utils is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+* General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License 
+* along with VNLib.Utils. If not, see http://www.gnu.org/licenses/.
+*/
+
+using System;
+
+namespace VNLib.Utils.Logging
+{
+    /// <summary>
+    /// Self-contained logging interface that allows for applications events to be written to an
+    /// output source
+    /// </summary>
+    public interface ILogProvider
+    {
+        /// <summary>
+        /// Flushes any buffers to the output source
+        /// </summary>
+        abstract void Flush();
+
+        /// <summary>
+        /// Writes the string to the log with the specified priority log level
+        /// </summary>
+        /// <param name="level">The log priority level</param>
+        /// <param name="value">The message to print</param>
+        void Write(LogLevel level, string value);
+        /// <summary>
+        /// Writes the exception and optional string to the log with the specified priority log level
+        /// </summary>
+        /// <param name="level">The log priority level</param>
+        /// <param name="exception">An exception object to write</param>
+        /// <param name="value">The message to print</param>
+        void Write(LogLevel level, Exception exception, string value = "");
+        /// <summary>
+        /// Writes the template string and params arguments to the log with the specified priority log level
+        /// </summary>
+        ///  <param name="level">The log priority level</param>
+        /// <param name="value">The log template string</param>
+        /// <param name="args">Variable length array of objects to log with the specified templatre</param>
+        void Write(LogLevel level, string value, params object?[] args);
+        /// <summary>
+        /// Writes the template string and params arguments to the log with the specified priority log level
+        /// </summary>
+        ///  <param name="level">The log priority level</param>
+        /// <param name="value">The log template string</param>
+        /// <param name="args">Variable length array of objects to log with the specified templatre</param>
+        void Write(LogLevel level, string value, params ValueType[] args);
+        
+        /// <summary>
+        /// Gets the underlying log source
+        /// </summary>
+        /// <returns>The underlying log source</returns>
+        object GetLogProvider();
+        /// <summary>
+        /// Gets the underlying log source
+        /// </summary>
+        /// <returns>The underlying log source</returns>
+        public virtual T GetLogProvider<T>() => (T)GetLogProvider();
+    }
+}