1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 using System.Collections.Concurrent; 21 using System.Diagnostics; 22 using System.IO; 23 using System.Reflection; 24 using System.Runtime.InteropServices; 25 using System.Threading; 26 27 using Grpc.Core.Logging; 28 using Grpc.Core.Utils; 29 30 namespace Grpc.Core.Internal 31 { NativeCallbackTestDelegate(bool success)32 internal delegate void NativeCallbackTestDelegate(bool success); 33 34 /// <summary> 35 /// Provides access to all native methods provided by <c>NativeExtension</c>. 36 /// An extra level of indirection is added to P/Invoke calls to allow intelligent loading 37 /// of the right configuration of the native extension based on current platform, architecture etc. 38 /// </summary> 39 internal partial class NativeMethods 40 { 41 // Signatures of native methods are generated from a template 42 // and can be found in NativeMethods.Generated.cs 43 44 /// <summary> 45 /// Gets singleton instance of this class. 46 /// </summary> Get()47 public static NativeMethods Get() 48 { 49 return NativeExtension.Get().NativeMethods; 50 } 51 52 static T GetMethodDelegate<T>(UnmanagedLibrary library) 53 where T : class 54 { 55 var methodName = RemoveStringSuffix(typeof(T).Name, "_delegate"); 56 return library.GetNativeMethodDelegate<T>(methodName); 57 } 58 RemoveStringSuffix(string str, string toRemove)59 static string RemoveStringSuffix(string str, string toRemove) 60 { 61 if (!str.EndsWith(toRemove)) 62 { 63 return str; 64 } 65 return str.Substring(0, str.Length - toRemove.Length); 66 } 67 } 68 } 69