/// <summary>
/// Initializes a new instance of the <see cref="Instrumenter"/> class.
/// </summary>
/// <param name="instrumentationConfigFile">Instrumentation configuration filepath. </param>
/// <param name="runtimeConfigFile">Runtime configuration file path.</param>
public Instrumenter(string instrumentationConfigFile, string runtimeConfigFile)
{
this.instrumentationConfigurationFile = instrumentationConfigFile;
this.runtimeConfigurationFile = runtimeConfigFile;
var configuration = InstrumentationConfiguration.Parse(instrumentationConfigFile);
this.ilRewriter = new ILRewriter(configuration);
// a dummy call to force copying TSVDRuntime.dll to the build directory
TSVDRuntime.Dummy.Call();
}
/// <summary>
/// Parse config.
/// </summary>
/// <param name="configFilePath">Config file path.</param>
/// <returns>Parsed config object.</returns>
public static InstrumentationConfiguration Parse(string configFilePath)
{
XmlSerializer serializer = new XmlSerializer(typeof(InstrumentationConfiguration));
XmlReaderSettings settings = new XmlReaderSettings();
using (var reader = XmlReader.Create(configFilePath, settings))
{
InstrumentationConfiguration config = serializer.Deserialize(reader) as InstrumentationConfiguration;
return(config);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ILRewriter"/> class.
/// </summary>
/// <param name="configuration">Instrumentation Configuration.</param>
public ILRewriter(InstrumentationConfiguration configuration)
{
this.configuration = configuration;
string cwd = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string runtimeAssembly = Path.Combine(cwd, Constants.TSVDRuntimeLibraryFile);
this.tsvdRuntimeModule = ModuleDefinition.ReadModule(runtimeAssembly);
this.interceptionMethod = this.tsvdRuntimeModule
.Types.Single(t => t.Name == Constants.InterceptorType)
.Methods.Single(x => x.Name == Constants.OnStartMethod).Resolve();
}