Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs

Index: third_party/grpc/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf/Reflection/PackageDescriptor.cs b/third_party/grpc/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
similarity index 55%
copy from third_party/protobuf/csharp/src/Google.Protobuf/Reflection/PackageDescriptor.cs
copy to third_party/grpc/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
index e547d834986de8d80703504469e9c39b3d8ae93d..a50f35799028ec9b901d64166f7a810799967ddd 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf/Reflection/PackageDescriptor.cs
+++ b/third_party/grpc/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
@@ -1,7 +1,6 @@
 #region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// Copyright 2015-2016, 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
@@ -29,40 +28,38 @@
 // (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;
+using System.Threading.Tasks;
+using Grpc.Core.Utils;
 
-namespace Google.Protobuf.Reflection
+namespace Grpc.Core.Internal
 {
     /// <summary>
-    /// Represents a package in the symbol table.  We use PackageDescriptors
-    /// just as placeholders so that someone cannot define, say, a message type
-    /// that has the same name as an existing package.
+    /// grpc_server_credentials from <c>grpc/grpc_security.h</c>
     /// </summary>
-    internal sealed class PackageDescriptor : IDescriptor
+    internal class ServerCredentialsSafeHandle : SafeHandleZeroIsInvalid
     {
-        private readonly string name;
-        private readonly string fullName;
-        private readonly FileDescriptor file;
+        static readonly NativeMethods Native = NativeMethods.Get();
 
-        internal PackageDescriptor(string name, string fullName, FileDescriptor file)
+        private ServerCredentialsSafeHandle()
         {
-            this.file = file;
-            this.fullName = fullName;
-            this.name = name;
         }
 
-        public string Name
+        public static ServerCredentialsSafeHandle CreateSslCredentials(string pemRootCerts, string[] keyCertPairCertChainArray, string[] keyCertPairPrivateKeyArray, bool forceClientAuth)
         {
-            get { return name; }
+            GrpcPreconditions.CheckArgument(keyCertPairCertChainArray.Length == keyCertPairPrivateKeyArray.Length);
+            return Native.grpcsharp_ssl_server_credentials_create(pemRootCerts,
+                                                                  keyCertPairCertChainArray, keyCertPairPrivateKeyArray,
+                                                                  new UIntPtr((ulong)keyCertPairCertChainArray.Length),
+                                                                  forceClientAuth);
         }
 
-        public string FullName
+        protected override bool ReleaseHandle()
         {
-            get { return fullName; }
-        }
-
-        public FileDescriptor File
-        {
-            get { return file; }
+            Native.grpcsharp_server_credentials_release(handle);
+            return true;
         }
     }
-}
+}