/// <summary>
/// Register next settings assembly.
/// </summary>
/// <param name="assemblyIndex"></param>
public static void RegisterSettingsAssembly(uint assemblyIndex)
{
// Locate the settings assembly config.
//
var assemblyConfigKey = new Core.Internal.RegisteredSettingsAssemblyConfig.CodegenKey
{
AssemblyIndex = assemblyIndex,
};
SharedConfig <MlosProxyInternal.RegisteredSettingsAssemblyConfig> assemblySharedConfig = MlosContext.SharedConfigManager.Lookup(assemblyConfigKey);
if (assemblySharedConfig.HasSharedConfig)
{
MlosProxyInternal.RegisteredSettingsAssemblyConfig assemblyConfig = assemblySharedConfig.Config;
// Try to load assembly from the agent folder.
//
string applicationFolderPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string assemblyFilePath = Path.Combine(applicationFolderPath, assemblyConfig.AssemblyFileName.Value);
if (!File.Exists(assemblyFilePath))
{
// Try to load assembly from the target folder.
//
applicationFolderPath = Path.GetDirectoryName(assemblyConfig.ApplicationFilePath.Value);
assemblyFilePath = Path.Combine(applicationFolderPath, assemblyConfig.AssemblyFileName.Value);
}
Assembly assembly = Assembly.LoadFrom(assemblyFilePath);
RegisterAssembly(assembly, dispatchTableBaseIndex: assemblyConfig.DispatchTableBaseIndex);
}
}
/// <summary>
/// Register next settings assembly.
/// </summary>
/// <param name="assemblyIndex"></param>
public void RegisterSettingsAssembly(uint assemblyIndex)
{
// Locate the settings assembly config.
//
var assemblyConfigKey = new Core.Internal.RegisteredSettingsAssemblyConfig.CodegenKey
{
AssemblyIndex = assemblyIndex,
};
SharedConfig <MlosProxyInternal.RegisteredSettingsAssemblyConfig> assemblySharedConfig = MlosContext.SharedConfigManager.Lookup(assemblyConfigKey);
if (assemblySharedConfig.HasSharedConfig)
{
MlosProxyInternal.RegisteredSettingsAssemblyConfig assemblyConfig = assemblySharedConfig.Config;
// Start looking for places to find the assembly.
//
List <string> assemblyDirs = new List <string>();
// 1. Try to load assembly from the agent folder.
//
assemblyDirs.Add(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
// 2. Try to load assembly from the full path listed in the config.
// Note: This doesn't currently work for Linux.
// See Also: Mlos.Core/MlosContext.cpp
//
if (assemblyConfig.ApplicationFilePath.Value != null)
{
assemblyDirs.Add(Path.GetDirectoryName(assemblyConfig.ApplicationFilePath.Value));
}
// 3. The current working directory.
//
assemblyDirs.Add(".");
// 4. The search path specified in an environment variable.
// This is akin to an LD_LIBRARY_PATH but specifically for MLOS Settings Registry DLLs.
//
string settingsRegistryLibraryPath = System.Environment.GetEnvironmentVariable("MLOS_SETTINGS_REGISTRY_PATH");
if (!string.IsNullOrEmpty(settingsRegistryLibraryPath))
{
if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
assemblyDirs.AddRange(settingsRegistryLibraryPath.Split(';'));
}
else if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
assemblyDirs.AddRange(settingsRegistryLibraryPath.Split(':'));
}
else
{
throw new NotImplementedException(
string.Format("Unhandled OS: '{0}'", System.Runtime.InteropServices.RuntimeInformation.OSDescription ?? "Unknown"));
}
}
// Now, return the first full path to the assembly that we find.
//
string assemblyFilePath = null;
string assemblyFileName = assemblyConfig.AssemblyFileName.Value;
foreach (string assemblyDir in assemblyDirs)
{
////Console.WriteLine(string.Format("Checking for settings registry assembly {0} in {1}", assemblyFileName, assemblyDir));
string tmpAssemblyFilePath = Path.Combine(assemblyDir, assemblyFileName);
if (File.Exists(tmpAssemblyFilePath))
{
assemblyFilePath = tmpAssemblyFilePath;
Console.WriteLine(string.Format("Found settings registry assembly at {0}", assemblyFilePath));
break;
}
}
if (assemblyFilePath == null)
{
throw new FileNotFoundException(string.Format("Failed to find settings registry assembly '{0}'", assemblyFileName));
}
Assembly assembly = Assembly.LoadFrom(assemblyFilePath);
RegisterAssembly(assembly, dispatchTableBaseIndex: assemblyConfig.DispatchTableBaseIndex);
}
}
