Improve native rocksdb dependencies loading (#4445)

NethermindEth · Aug 22, 2022 · 60f920b · 60f920b
1 parent 219fdef
commit 60f920b
Showing 1 changed file with 19 additions and 1 deletion.
diff --git a/src/Nethermind/Nethermind.Runner/Program.cs b/src/Nethermind/Nethermind.Runner/Program.cs
@@ -21,6 +21,8 @@
 using System.IO.Abstractions;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Runtime.Loader;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -74,7 +76,7 @@ public static void Main(string[] args)
                     logger.Error(FailureString + eventArgs.ExceptionObject);
                 }
             };
-
+                
             try
             {
                 Run(args);
@@ -102,6 +104,7 @@ private static void Run(string[] args)
             _logger.Info("Nethermind starting initialization.");
 
             AppDomain.CurrentDomain.ProcessExit += CurrentDomainOnProcessExit;
+            AssemblyLoadContext.Default.ResolvingUnmanagedDll += OnResolvingUnmanagedDll;
 
             GlobalDiagnosticsContext.Set("version", ClientVersion.Version);
             CommandLineApplication app = new() { Name = "Nethermind.Runner" };
@@ -196,6 +199,21 @@ private static void Run(string[] args)
             _appClosed.Wait();
         }
 
+        private static IntPtr OnResolvingUnmanagedDll(Assembly _, string nativeLibraryName)
+        {
+            const string MacosSnappyPath = "/opt/homebrew/Cellar/snappy";
+            var alternativePath = nativeLibraryName switch
+            {
+                "libdl" or "liblibdl" => "libdl.so.2",
+                "libbz2.so.1.0" => "libbz2.so.1",
+                "libsnappy" or "snappy" => Directory.Exists(MacosSnappyPath) ?
+                    Directory.EnumerateFiles(MacosSnappyPath, "libsnappy.dylib", SearchOption.AllDirectories).FirstOrDefault() : "libsnappy.so.1",
+                _ => null
+            };
+
+            return alternativePath is null ? IntPtr.Zero : NativeLibrary.Load(alternativePath);
+        }
+
         private static void BuildOptionsFromConfigFiles(CommandLineApplication app)
         {
             Type configurationType = typeof(IConfig);