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

#region Copyright notice and license
// Copyright 2015-2016, Google Inc.
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//
// 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
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#endregion
using System;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core.Utils;

namespace Grpc.Core.Internal
{
    /// <summary>
    /// grpc_server_credentials from <c>grpc/grpc_security.h</c>
    /// </summary>
    internal class ServerCredentialsSafeHandle : SafeHandleZeroIsInvalid
    {
        static readonly NativeMethods Native = NativeMethods.Get();

        private ServerCredentialsSafeHandle()
        {
        }

        public static ServerCredentialsSafeHandle CreateSslCredentials(string pemRootCerts, string[] keyCertPairCertChainArray, string[] keyCertPairPrivateKeyArray, bool forceClientAuth)
        {
            GrpcPreconditions.CheckArgument(keyCertPairCertChainArray.Length == keyCertPairPrivateKeyArray.Length);
            return Native.grpcsharp_ssl_server_credentials_create(pemRootCerts,
                                                                  keyCertPairCertChainArray, keyCertPairPrivateKeyArray,
                                                                  new UIntPtr((ulong)keyCertPairCertChainArray.Length),
                                                                  forceClientAuth);
        }

        protected override bool ReleaseHandle()
        {
            Native.grpcsharp_server_credentials_release(handle);
            return true;
        }
    }
}