From 062c329cf8afaa8479031c6d91124e1dc936feba Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Thu, 23 Jul 2015 20:28:42 -0700
Subject: expose peer info in serverside call handlers

---
 src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs

(limited to 'src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs')

diff --git a/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
new file mode 100644
index 0000000000..92fbe8cf0f
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
@@ -0,0 +1,60 @@
+#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.Runtime.InteropServices;
+using System.Threading.Tasks;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Owned char* object.
+    /// </summary>
+    internal class CStringSafeHandle : SafeHandleZeroIsInvalid
+    {
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void gprsharp_free(IntPtr ptr);
+
+        private CStringSafeHandle()
+        {
+        }
+
+        public string GetValue()
+        {
+            return Marshal.PtrToStringAnsi(handle);
+        }
+
+        protected override bool ReleaseHandle()
+        {
+            gprsharp_free(handle);
+            return true;
+        }
+    }
+}
-- 
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