diff --git a/src/csharp/Grpc.Core/Internal/NativeExtension.cs b/src/csharp/Grpc.Core/Internal/NativeExtension.cs index 509baf7cb1f..778d06f9f64 100644 --- a/src/csharp/Grpc.Core/Internal/NativeExtension.cs +++ b/src/csharp/Grpc.Core/Internal/NativeExtension.cs @@ -100,19 +100,19 @@ namespace Grpc.Core.Internal // With old-style VS projects, the native libraries get copied using a .targets rule to the build output folder // alongside the compiled assembly. - // With dotnet cli projects, the native libraries (just the required ones) are similarly copied to the built output folder, - // through the magic of Microsoft.NETCore.Platforms. + // With dotnet cli projects targeting net45 framework, the native libraries (just the required ones) + // are similarly copied to the built output folder, through the magic of Microsoft.NETCore.Platforms. var classicPath = Path.Combine(assemblyDirectory, GetNativeLibraryFilename()); - // DNX-style project.json projects will use Grpc.Core assembly directly in the location where it got restored + // With dotnet cli project targeting netcoreapp1.0, projects will use Grpc.Core assembly directly in the location where it got restored // by nuget. We locate the native libraries based on known structure of Grpc.Core nuget package. + // When "dotnet publish" is used, the runtimes directory is copied next to the published assemblies. + string runtimesDirectory = string.Format("runtimes/{0}/native", GetPlatformString()); + var netCorePublishedAppStylePath = Path.Combine(assemblyDirectory, runtimesDirectory, GetNativeLibraryFilename()); + var netCoreAppStylePath = Path.Combine(assemblyDirectory, "../..", runtimesDirectory, GetNativeLibraryFilename()); - // TODO: Support .NET Core applications, which act slightly differently. We may be okay if "dotnet publish" - // is used, but "dotnet run" leaves the native libraries in-package, while copying assemblies. - string platform = GetPlatformString(); - string relativeDirectory = string.Format("../../runtimes/{0}/native", platform); - var dnxStylePath = Path.Combine(assemblyDirectory, relativeDirectory, GetNativeLibraryFilename()); - string[] paths = new[] { classicPath, dnxStylePath }; + // Look for all native library in all possible locations in given order. + string[] paths = new[] { classicPath, netCorePublishedAppStylePath, netCoreAppStylePath}; return new UnmanagedLibrary(paths); }