From 504b3b9cc45cb9dc57618c92a396a681a42ac37d Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Mon, 13 Jun 2016 12:47:09 -0700
Subject: set default gRPC C# logging level to Info

---
 .../Grpc.Core/Logging/LogLevelFilterLogger.cs      | 160 +++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 src/csharp/Grpc.Core/Logging/LogLevelFilterLogger.cs

(limited to 'src/csharp/Grpc.Core/Logging')

diff --git a/src/csharp/Grpc.Core/Logging/LogLevelFilterLogger.cs b/src/csharp/Grpc.Core/Logging/LogLevelFilterLogger.cs
new file mode 100644
index 0000000000..4eeb79c783
--- /dev/null
+++ b/src/csharp/Grpc.Core/Logging/LogLevelFilterLogger.cs
@@ -0,0 +1,160 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Logging
+{
+    /// <summary>Logger that filters out messages below certain log level.</summary>
+    public class LogLevelFilterLogger : ILogger
+    {
+        readonly ILogger innerLogger;
+        readonly LogLevel logLevel;
+
+        /// <summary>
+        /// Creates and instance of <c>LogLevelFilter.</c>
+        /// </summary>
+        public LogLevelFilterLogger(ILogger logger, LogLevel logLevel)
+        {
+            this.innerLogger = GrpcPreconditions.CheckNotNull(logger);
+            this.logLevel = logLevel;
+        }
+
+        /// <summary>
+        /// Returns a logger associated with the specified type.
+        /// </summary>
+        public virtual ILogger ForType<T>()
+        {
+            var newInnerLogger = innerLogger.ForType<T>();
+            if (object.ReferenceEquals(this.innerLogger, newInnerLogger))
+            {
+                return this;
+            }
+            return new LogLevelFilterLogger(newInnerLogger, logLevel);
+        }
+
+        /// <summary>Logs a message with severity Debug.</summary>
+        public void Debug(string message)
+        {
+            if (logLevel <= LogLevel.Debug)
+            {
+                innerLogger.Debug(message);
+            }
+        }
+
+        /// <summary>Logs a formatted message with severity Debug.</summary>
+        public void Debug(string format, params object[] formatArgs)
+        {
+            if (logLevel <= LogLevel.Debug)
+            {
+                innerLogger.Debug(format, formatArgs);
+            }
+        }
+
+        /// <summary>Logs a message with severity Info.</summary>
+        public void Info(string message)
+        {
+            if (logLevel <= LogLevel.Info)
+            {
+                innerLogger.Info(message);
+            }
+        }
+
+        /// <summary>Logs a formatted message with severity Info.</summary>
+        public void Info(string format, params object[] formatArgs)
+        {
+            if (logLevel <= LogLevel.Info)
+            {
+                innerLogger.Info(format, formatArgs);
+            }
+        }
+
+        /// <summary>Logs a message with severity Warning.</summary>
+        public void Warning(string message)
+        {
+            if (logLevel <= LogLevel.Warning)
+            {
+                innerLogger.Warning(message);
+            }
+        }
+
+        /// <summary>Logs a formatted message with severity Warning.</summary>
+        public void Warning(string format, params object[] formatArgs)
+        {
+            if (logLevel <= LogLevel.Warning)
+            {
+                innerLogger.Warning(format, formatArgs);
+            }
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Warning.</summary>
+        public void Warning(Exception exception, string message)
+        {
+            if (logLevel <= LogLevel.Warning)
+            {
+                innerLogger.Warning(exception, message);
+            }
+        }
+
+        /// <summary>Logs a message with severity Error.</summary>
+        public void Error(string message)
+        {
+            if (logLevel <= LogLevel.Error)
+            {
+                innerLogger.Error(message);
+            }
+        }
+
+        /// <summary>Logs a formatted message with severity Error.</summary>
+        public void Error(string format, params object[] formatArgs)
+        {
+            if (logLevel <= LogLevel.Error)
+            {
+                innerLogger.Error(format, formatArgs);
+            }
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Error.</summary>
+        public void Error(Exception exception, string message)
+        {
+            if (logLevel <= LogLevel.Error)
+            {
+                innerLogger.Error(exception, message);
+            }
+        }
+    }
+}
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