Beispiel #1
0
        /// <summary>
        /// Initializes a new instance of the FaultSession class with the specified FaultRule objects.
        /// </summary>
        /// <param name="rules">FaultRule objects defining how to fault the test application.</param>
        /// <exception cref="FaultInjectionException">Two FaultRule objects corresponding to the same method.</exception>
        public FaultSession(params FaultRule[] rules)
        {
            ComRegistrar.AutoRegister();

            AddRulesToDict(rules);

            serializationFileName = Path.Combine(this.logDirectory, DateTime.Now.ToString("yyyyMMddHHmmssff", CultureInfo.CurrentCulture) + ".rul");
            {
                string mutexName = Path.GetFileName(serializationFileName);

                // Serialization file will be shared between tester and testee process, they must be synchronized
                // by a named global Mutex
                bool newMutexCreated;
                serializationMutex = new Mutex(false, mutexName, out newMutexCreated);
                if (!newMutexCreated)
                {
                    throw new FaultInjectionException(
                              string.Format(CultureInfo.CurrentCulture, ApiErrorMessages.UnableToCreateFileReadWriteMutex, mutexName));
                }
            }

            methodFilterFileName = Path.Combine(this.logDirectory, DateTime.Now.ToString("yyyyMMddHHmmssff", CultureInfo.CurrentCulture) + ".mfi");
            MethodFilterHelper.WriteMethodFilter(methodFilterFileName, rules);
        }
Beispiel #2
0
        /// <summary>
        /// Checks that
        /// </summary>
        public void AssertFaultInjectionEnabled()
        {
            StringBuilder errors = new StringBuilder();

            // Verify registry
            if (!ComRegistrar.IsRegistered())
            {
                errors.AppendLine(ApiErrorMessages.EngineNotRegistered);
            }

            // Verify profiler environment variables.
            // Is "COMPLUS_ProfAPI_ProfilerCompatibilitySetting=EnableV2Profiler" still needed?
            if (Environment.GetEnvironmentVariable(EnvironmentVariable.EnableProfiling) != "1")
            {
                errors.AppendLine(ApiErrorMessages.ProfilerNotEnabled);
            }

            string profiler = Environment.GetEnvironmentVariable(EnvironmentVariable.Profiler);

            if (profiler != EngineInfo.Engine_CLSID)
            {
                errors.AppendLine(string.Format(ApiErrorMessages.ProfilerNotSpecified, profiler));
            }

            if (Environment.GetEnvironmentVariable(EnvironmentVariable.ProfilerCompatibilityForCLR4) !=
                EnvironmentVariable.EnableV2Profiler)
            {
                errors.AppendLine(ApiErrorMessages.ProfilerV2CompatibilityNotSpecified);
            }

            // Verify log directory
            string logDirectory = Environment.GetEnvironmentVariable(EnvironmentVariable.LogDirectory);

            if (String.IsNullOrEmpty(logDirectory) || logDirectory.Trim().Length == 0)
            {
                errors.AppendLine(ApiErrorMessages.LogDirectoryNotSet);
            }
            else if (!Directory.Exists(logDirectory))
            {
                errors.AppendLine(string.Format(ApiErrorMessages.LogDirectoryAccessDenied, logDirectory));
            }

            // Verify that fault rules can be loaded
            FaultRule[] rules = FaultRuleLoader.Load();
            if (rules == null)
            {
                errors.AppendLine(ApiErrorMessages.NoFaultRulesLoaded);
            }

            // Verify that the method filter file exists
            string methodFilterFileName = Environment.GetEnvironmentVariable(EnvironmentVariable.MethodFilter);

            if (string.IsNullOrEmpty(methodFilterFileName))
            {
                errors.AppendLine(ApiErrorMessages.MethodFilterFileNotSet);
            }
            else
            {
                StreamReader methodFilterFile = null;
                try
                {
                    // Verify that the method filter file contains an entry for every method that has a fault rule
                    methodFilterFile = File.OpenText(methodFilterFileName);
                    List <string> methodFilterContents = new List <string>();
                    while (!methodFilterFile.EndOfStream)
                    {
                        methodFilterContents.Add(methodFilterFile.ReadLine().Trim());
                    }

                    bool allEntriesFound = true;
                    foreach (FaultRule r in rules)
                    {
                        string comSignature = Signature.ConvertSignature(r.MethodSignature, SignatureStyle.Com);
                        if (!methodFilterContents.Any(s => s == comSignature))
                        {
                            allEntriesFound = false;
                            errors.AppendLine(
                                string.Format(ApiErrorMessages.MethodFilterFileHasMissingEntry,
                                              Environment.GetEnvironmentVariable(EnvironmentVariable.MethodFilter),
                                              r.MethodSignature,
                                              comSignature));
                        }
                    }
                    if (!allEntriesFound)
                    {
                        errors.AppendLine(string.Format(ApiErrorMessages.MethodFilterFileContentsDump, methodFilterFileName));
                        foreach (string s in methodFilterContents)
                        {
                            errors.AppendLine(s);
                        }
                    }
                }
                catch (IOException e)
                {
                    if (methodFilterFile != null)
                    {
                        methodFilterFile.Dispose();
                    }
                    errors.AppendLine(string.Format(ApiErrorMessages.MethodFilterFileAccessDenied, methodFilterFileName));
                    errors.Append("\t");
                    errors.AppendLine(e.Message);
                }
            }

            // Verify FaultDispatcher.Trap() method exists and can be loaded by the current runtime
            FaultDispatcherDelegate t = FaultDispatcher.Trap;

            // Verify FaultDispatcher assembly has the public key token that the engine expects
            string faultDispatcherAssemblyName = typeof(FaultDispatcher).Assembly.FullName;

            if (!faultDispatcherAssemblyName.Contains(EngineInfo.FaultDispatcherAssemblyPublicKeyToken))
            {
                errors.AppendLine(string.Format(ApiErrorMessages.FaultDispatcherCannotBeLoaded, faultDispatcherAssemblyName));
            }

            // Now throw the errors if they exist
            if (errors.Length != 0)
            {
                throw new FaultInjectionException(errors.ToString());
            }
        }