diff options
| -rw-r--r-- | src/csharp/Grpc.Core/Internal/NativeExtension.cs | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/csharp/Grpc.Core/Internal/NativeExtension.cs b/src/csharp/Grpc.Core/Internal/NativeExtension.cs index 4c742ab6c3..282816d51e 100644 --- a/src/csharp/Grpc.Core/Internal/NativeExtension.cs +++ b/src/csharp/Grpc.Core/Internal/NativeExtension.cs @@ -32,6 +32,7 @@ #endregion using System; +using System.Globalization; using System.IO; using System.Reflection; @@ -99,14 +100,30 @@ namespace Grpc.Core.Internal // TODO: allow customizing path to native extension (possibly through exposing a GrpcEnvironment property). var libraryFlavor = string.Format("{0}_{1}", GetPlatformString(), GetArchitectureString()); - var fullPath = Path.Combine(GetExecutingAssemblyDirectory(), + var fullPath = Path.Combine(Path.GetDirectoryName(GetAssemblyPath()), NativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename()); return new UnmanagedLibrary(fullPath); } - private static string GetExecutingAssemblyDirectory() + private static string GetAssemblyPath() { - return Path.GetDirectoryName(typeof(NativeExtension).GetTypeInfo().Assembly.Location); + var assembly = typeof(NativeExtension).GetTypeInfo().Assembly; + + // If assembly is shadowed (e.g. in a webapp), EscapedCodeBase is pointing + // to the original location of the assembly, and Location is pointing + // to the shadow copy. We care about the original location because + // the native dlls don't get shadowed. + var escapedCodeBase = assembly.EscapedCodeBase; + if (IsFileUri(escapedCodeBase)) + { + return new Uri(escapedCodeBase).LocalPath; + } + return assembly.Location; + } + + private static bool IsFileUri(string uri) + { + return uri.ToLowerInvariant().StartsWith(Uri.UriSchemeFile); } private static string GetPlatformString() |