1 #region Copyright notice and license 2 // Copyright 2015 gRPC authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 #endregion 16 using System; 17 using System.Runtime.InteropServices; 18 using System.Threading.Tasks; 19 20 namespace Grpc.Core.Internal 21 { 22 /// <summary> 23 /// grpc_channel_args from <c>grpc/grpc.h</c> 24 /// </summary> 25 internal class ChannelArgsSafeHandle : SafeHandleZeroIsInvalid 26 { 27 static readonly NativeMethods Native = NativeMethods.Get(); 28 ChannelArgsSafeHandle()29 private ChannelArgsSafeHandle() 30 { 31 } 32 CreateNull()33 public static ChannelArgsSafeHandle CreateNull() 34 { 35 return new ChannelArgsSafeHandle(); 36 } 37 Create(int size)38 public static ChannelArgsSafeHandle Create(int size) 39 { 40 return Native.grpcsharp_channel_args_create(new UIntPtr((uint)size)); 41 } 42 SetString(int index, string key, string value)43 public void SetString(int index, string key, string value) 44 { 45 Native.grpcsharp_channel_args_set_string(this, new UIntPtr((uint)index), key, value); 46 } 47 SetInteger(int index, string key, int value)48 public void SetInteger(int index, string key, int value) 49 { 50 Native.grpcsharp_channel_args_set_integer(this, new UIntPtr((uint)index), key, value); 51 } 52 ReleaseHandle()53 protected override bool ReleaseHandle() 54 { 55 Native.grpcsharp_channel_args_destroy(handle); 56 return true; 57 } 58 } 59 } 60