Inheritance: TypeLoadException
Example #1
0
        public void SeverityCanBeRetrieved(Severity severity)
        {
            var app          = new App("version", "releaseStage", "type");
            var device       = new Device("hostname");
            var exception    = new System.DllNotFoundException();
            var breadcrumbs  = Enumerable.Empty <Breadcrumb>();
            var session      = new Session();
            var handledState = HandledState.ForUserSpecifiedSeverity(severity);

            var @event = new Event("1", app, device, exception, handledState, breadcrumbs, session);

            Assert.Equal(severity, @event.Severity);
        }
Example #2
0
        public void HasExpectedPayloadVersion()
        {
            var app         = new App("version", "releaseStage", "type");
            var device      = new Device("hostname");
            var exception   = new System.DllNotFoundException();
            var severity    = Bugsnag.Payload.HandledState.ForUnhandledException();
            var breadcrumbs = Enumerable.Empty <Breadcrumb>();
            var session     = new Session();

            var payloadVersion = "4";

            var @event = new Event(payloadVersion, app, device, exception, severity, breadcrumbs, session);

            Assert.Equal(payloadVersion, @event["payloadVersion"]);
        }
Example #3
0
        public void SeverityCanBeUpdated(Severity originalSeverity, Severity updatedSeverity)
        {
            var app          = new App("version", "releaseStage", "type");
            var device       = new Device("hostname");
            var exception    = new System.DllNotFoundException();
            var breadcrumbs  = Enumerable.Empty <Breadcrumb>();
            var session      = new Session();
            var handledState = HandledState.ForUserSpecifiedSeverity(originalSeverity);

            var @event = new Event("1", app, device, exception, handledState, breadcrumbs, session);

            @event.Severity = updatedSeverity;

            Assert.Equal(updatedSeverity, @event.Severity);
            Assert.Contains("severityReason", @event.Keys);
        }
Example #4
0
        public void SeverityKeysAreAddedCorrectly()
        {
            var app         = new App("version", "releaseStage", "type");
            var device      = new Device("hostname");
            var exception   = new System.DllNotFoundException();
            var severity    = Bugsnag.Payload.HandledState.ForUnhandledException();
            var breadcrumbs = Enumerable.Empty <Breadcrumb>();
            var session     = new Session();

            var @event = new Event("1", app, device, exception, severity, breadcrumbs, session);

            foreach (var key in severity.Keys)
            {
                Assert.Contains(key, @event.Keys);
            }
        }
Example #5
0
        /// <summary>
        /// This does a mapping from hr to the exception and also takes care of making default exception in case of classic COM as COMException.
        /// and in winrt and marshal APIs as Exception.
        /// </summary>
        /// <param name="errorCode"></param>
        /// <param name="message"></param>
        /// <param name="createCOMException"></param>
        /// <returns></returns>
        internal static Exception GetMappingExceptionForHR(int errorCode, string message, bool createCOMException, bool hasErrorInfo)
        {
            if (errorCode >= 0)
            {
                return null;
            }

            Exception exception = null;

            bool shouldDisplayHR = false;

            switch (errorCode)
            {
                case __HResults.COR_E_NOTFINITENUMBER: // NotFiniteNumberException
                case __HResults.COR_E_ARITHMETIC:
                    exception = new ArithmeticException();
                    break;
                case __HResults.COR_E_ARGUMENT:
                case unchecked((int)0x800A01C1):
                case unchecked((int)0x800A01C2):
                case __HResults.CLR_E_BIND_UNRECOGNIZED_IDENTITY_FORMAT:
                    exception = new ArgumentException();

                    if (errorCode != __HResults.COR_E_ARGUMENT)
                        shouldDisplayHR = true;

                    break;
                case __HResults.E_BOUNDS:
                case __HResults.COR_E_ARGUMENTOUTOFRANGE:
                case __HResults.ERROR_NO_UNICODE_TRANSLATION:
                    exception = new ArgumentOutOfRangeException();

                    if (errorCode != __HResults.COR_E_ARGUMENTOUTOFRANGE)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_ARRAYTYPEMISMATCH:
                    exception = new ArrayTypeMismatchException();
                    break;
                case __HResults.COR_E_BADIMAGEFORMAT:
                case __HResults.CLDB_E_FILE_OLDVER:
                case __HResults.CLDB_E_INDEX_NOTFOUND:
                case __HResults.CLDB_E_FILE_CORRUPT:
                case __HResults.COR_E_NEWER_RUNTIME:
                case __HResults.COR_E_ASSEMBLYEXPECTED:
                case __HResults.ERROR_BAD_EXE_FORMAT:
                case __HResults.ERROR_EXE_MARKED_INVALID:
                case __HResults.CORSEC_E_INVALID_IMAGE_FORMAT:
                case __HResults.ERROR_NOACCESS:
                case __HResults.ERROR_INVALID_ORDINAL:
                case __HResults.ERROR_INVALID_DLL:
                case __HResults.ERROR_FILE_CORRUPT:
                case __HResults.COR_E_LOADING_REFERENCE_ASSEMBLY:
                case __HResults.META_E_BAD_SIGNATURE:
                    exception = new BadImageFormatException();

                    // Always show HR for BadImageFormatException
                    shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_CUSTOMATTRIBUTEFORMAT:
                    exception = new FormatException();
                    break; // CustomAttributeFormatException
                case __HResults.COR_E_DATAMISALIGNED:
                    exception = InteropExtensions.CreateDataMisalignedException(message); // TODO: Do we need to add msg here?
                    break;
                case __HResults.COR_E_DIVIDEBYZERO:
                case __HResults.CTL_E_DIVISIONBYZERO:
                    exception = new DivideByZeroException();

                    if (errorCode != __HResults.COR_E_DIVIDEBYZERO)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_DLLNOTFOUND:
#if ENABLE_WINRT
                    exception = new DllNotFoundException();
#endif
                    break;
                case __HResults.COR_E_DUPLICATEWAITOBJECT:
                    exception = new ArgumentException();
                    break; // DuplicateWaitObjectException
                case __HResults.COR_E_ENDOFSTREAM:
                case unchecked((int)0x800A003E):
                    exception = new System.IO.EndOfStreamException();

                    if (errorCode != __HResults.COR_E_ENDOFSTREAM)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_TYPEACCESS: // TypeAccessException
                case __HResults.COR_E_ENTRYPOINTNOTFOUND:
                    exception = new TypeLoadException();

                    break; // EntryPointNotFoundException
                case __HResults.COR_E_EXCEPTION:
                    exception = new Exception();
                    break;
                case __HResults.COR_E_DIRECTORYNOTFOUND:
                case __HResults.STG_E_PATHNOTFOUND:
                case __HResults.CTL_E_PATHNOTFOUND:
                    exception = new System.IO.DirectoryNotFoundException();

                    if (errorCode != __HResults.COR_E_DIRECTORYNOTFOUND)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_FILELOAD:
                case __HResults.FUSION_E_INVALID_PRIVATE_ASM_LOCATION:
                case __HResults.FUSION_E_SIGNATURE_CHECK_FAILED:
                case __HResults.FUSION_E_LOADFROM_BLOCKED:
                case __HResults.FUSION_E_CACHEFILE_FAILED:
                case __HResults.FUSION_E_ASM_MODULE_MISSING:
                case __HResults.FUSION_E_INVALID_NAME:
                case __HResults.FUSION_E_PRIVATE_ASM_DISALLOWED:
                case __HResults.FUSION_E_HOST_GAC_ASM_MISMATCH:
                case __HResults.COR_E_MODULE_HASH_CHECK_FAILED:
                case __HResults.FUSION_E_REF_DEF_MISMATCH:
                case __HResults.SECURITY_E_INCOMPATIBLE_SHARE:
                case __HResults.SECURITY_E_INCOMPATIBLE_EVIDENCE:
                case __HResults.SECURITY_E_UNVERIFIABLE:
                case __HResults.COR_E_FIXUPSINEXE:
                case __HResults.ERROR_TOO_MANY_OPEN_FILES:
                case __HResults.ERROR_SHARING_VIOLATION:
                case __HResults.ERROR_LOCK_VIOLATION:
                case __HResults.ERROR_OPEN_FAILED:
                case __HResults.ERROR_DISK_CORRUPT:
                case __HResults.ERROR_UNRECOGNIZED_VOLUME:
                case __HResults.ERROR_DLL_INIT_FAILED:
                case __HResults.FUSION_E_CODE_DOWNLOAD_DISABLED:
                case __HResults.CORSEC_E_MISSING_STRONGNAME:
                case __HResults.MSEE_E_ASSEMBLYLOADINPROGRESS:
                case __HResults.ERROR_FILE_INVALID:
                    exception = new System.IO.FileLoadException();

                    shouldDisplayHR = true;
                    break;
                case __HResults.COR_E_PATHTOOLONG:
                    exception = new System.IO.PathTooLongException();
                    break;
                case __HResults.COR_E_IO:
                case __HResults.CTL_E_DEVICEIOERROR:
                case unchecked((int)0x800A793C):
                case unchecked((int)0x800A793D):
                    exception = new System.IO.IOException();

                    if (errorCode != __HResults.COR_E_IO)
                        shouldDisplayHR = true;

                    break;
                case __HResults.ERROR_FILE_NOT_FOUND:
                case __HResults.ERROR_MOD_NOT_FOUND:
                case __HResults.ERROR_INVALID_NAME:
                case __HResults.CTL_E_FILENOTFOUND:
                case __HResults.ERROR_BAD_NET_NAME:
                case __HResults.ERROR_BAD_NETPATH:
                case __HResults.ERROR_NOT_READY:
                case __HResults.ERROR_WRONG_TARGET_NAME:
                case __HResults.INET_E_UNKNOWN_PROTOCOL:
                case __HResults.INET_E_CONNECTION_TIMEOUT:
                case __HResults.INET_E_CANNOT_CONNECT:
                case __HResults.INET_E_RESOURCE_NOT_FOUND:
                case __HResults.INET_E_OBJECT_NOT_FOUND:
                case __HResults.INET_E_DOWNLOAD_FAILURE:
                case __HResults.INET_E_DATA_NOT_AVAILABLE:
                case __HResults.ERROR_DLL_NOT_FOUND:
                case __HResults.CLR_E_BIND_ASSEMBLY_VERSION_TOO_LOW:
                case __HResults.CLR_E_BIND_ASSEMBLY_PUBLIC_KEY_MISMATCH:
                case __HResults.CLR_E_BIND_ASSEMBLY_NOT_FOUND:
                    exception = new System.IO.FileNotFoundException();

                    shouldDisplayHR = true;
                    break;
                case __HResults.COR_E_FORMAT:
                    exception = new FormatException();
                    break;
                case __HResults.COR_E_INDEXOUTOFRANGE:
                case unchecked((int)0x800a0009):
                    exception = new IndexOutOfRangeException();

                    if (errorCode != __HResults.COR_E_INDEXOUTOFRANGE)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_INVALIDCAST:
                    exception = new InvalidCastException();
                    break;
                case __HResults.COR_E_INVALIDCOMOBJECT:
                    exception = new InvalidComObjectException();
                    break;
                case __HResults.COR_E_INVALIDOLEVARIANTTYPE:
                    exception = new InvalidOleVariantTypeException();
                    break;
                case __HResults.COR_E_INVALIDOPERATION:
                case __HResults.E_ILLEGAL_STATE_CHANGE:
                case __HResults.E_ILLEGAL_METHOD_CALL:
                case __HResults.E_ILLEGAL_DELEGATE_ASSIGNMENT:
                case __HResults.APPMODEL_ERROR_NO_PACKAGE:
                    exception = new InvalidOperationException();

                    if (errorCode != __HResults.COR_E_INVALIDOPERATION)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_MARSHALDIRECTIVE:
                    exception = new MarshalDirectiveException();
                    break;
                case __HResults.COR_E_METHODACCESS: // MethodAccessException
                case __HResults.META_E_CA_FRIENDS_SN_REQUIRED: // MethodAccessException
                case __HResults.COR_E_FIELDACCESS:
                case __HResults.COR_E_MEMBERACCESS:
                    exception = new MemberAccessException();

                    if (errorCode != __HResults.COR_E_METHODACCESS)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_MISSINGFIELD: // MissingFieldException
                case __HResults.COR_E_MISSINGMETHOD: // MissingMethodException
                case __HResults.COR_E_MISSINGMEMBER:
                case unchecked((int)0x800A01CD):
                    exception = new MissingMemberException();
                    break;
                case __HResults.COR_E_MISSINGMANIFESTRESOURCE:
                    exception = new System.Resources.MissingManifestResourceException();
                    break;
                case __HResults.COR_E_NOTSUPPORTED:
                case unchecked((int)0x800A01B6):
                case unchecked((int)0x800A01BD):
                case unchecked((int)0x800A01CA):
                case unchecked((int)0x800A01CB):
                    exception = new NotSupportedException();

                    if (errorCode != __HResults.COR_E_NOTSUPPORTED)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_NULLREFERENCE:
                    exception = new NullReferenceException();
                    break;
                case __HResults.COR_E_OBJECTDISPOSED:
                case __HResults.RO_E_CLOSED:
                    // No default constructor
                    exception = new ObjectDisposedException(String.Empty);
                    break;
                case __HResults.COR_E_OPERATIONCANCELED:
#if ENABLE_WINRT
                    exception = new OperationCanceledException();
#endif
                    break;
                case __HResults.COR_E_OVERFLOW:
                case __HResults.CTL_E_OVERFLOW:
                    exception = new OverflowException();
                    break;
                case __HResults.COR_E_PLATFORMNOTSUPPORTED:
                    exception = new PlatformNotSupportedException(message);
                    break;
                case __HResults.COR_E_RANK:
                    exception = new RankException();
                    break;
                case __HResults.COR_E_REFLECTIONTYPELOAD:
#if ENABLE_WINRT
                    exception = new System.Reflection.ReflectionTypeLoadException(null, null);
#endif
                    break;
                case __HResults.COR_E_SECURITY:
                case __HResults.CORSEC_E_INVALID_STRONGNAME:
                case __HResults.CTL_E_PERMISSIONDENIED:
                case unchecked((int)0x800A01A3):
                case __HResults.CORSEC_E_INVALID_PUBLICKEY:
                case __HResults.CORSEC_E_SIGNATURE_MISMATCH:
                    exception = new System.Security.SecurityException();
                    break;
                case __HResults.COR_E_SAFEARRAYRANKMISMATCH:
                    exception = new SafeArrayRankMismatchException();
                    break;
                case __HResults.COR_E_SAFEARRAYTYPEMISMATCH:
                    exception = new SafeArrayTypeMismatchException();
                    break;
                case __HResults.COR_E_SERIALIZATION:
                    exception = new System.Runtime.Serialization.SerializationException(message);
                    break;
                case __HResults.COR_E_SYNCHRONIZATIONLOCK:
                    exception = new System.Threading.SynchronizationLockException();
                    break;
                case __HResults.COR_E_TARGETINVOCATION:
                    exception = new System.Reflection.TargetInvocationException(null);
                    break;
                case __HResults.COR_E_TARGETPARAMCOUNT:
                    exception = new System.Reflection.TargetParameterCountException();
                    break;
                case __HResults.COR_E_TYPEINITIALIZATION:
                    exception = InteropExtensions.CreateTypeInitializationException(message);
                    break;
                case __HResults.COR_E_TYPELOAD:
                case __HResults.RO_E_METADATA_NAME_NOT_FOUND:
                case __HResults.CLR_E_BIND_TYPE_NOT_FOUND:
                    exception = new TypeLoadException();

                    if (errorCode != __HResults.COR_E_TYPELOAD)
                        shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_UNAUTHORIZEDACCESS:
                case __HResults.CTL_E_PATHFILEACCESSERROR:
                case unchecked((int)0x800A014F):
                    exception = new UnauthorizedAccessException();

                    shouldDisplayHR = true;

                    break;
                case __HResults.COR_E_VERIFICATION:
                    exception = new System.Security.VerificationException();
                    break;
                case __HResults.E_NOTIMPL:
                    exception = new NotImplementedException();
                    break;
                case __HResults.E_OUTOFMEMORY:
                case __HResults.CTL_E_OUTOFMEMORY:
                case unchecked((int)0x800A7919):
                    exception = new OutOfMemoryException();

                    if (errorCode != __HResults.E_OUTOFMEMORY)
                        shouldDisplayHR = true;

                    break;
#if ENABLE_WINRT
                case __HResults.E_XAMLPARSEFAILED:
                    exception = ConstructExceptionUsingReflection(
                        "Windows.UI.Xaml.Markup.XamlParseException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
                        message);
                    break;
                case __HResults.E_ELEMENTNOTAVAILABLE:
                    exception = ConstructExceptionUsingReflection(
                        "Windows.UI.Xaml.Automation.ElementNotAvailableException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0",
                        message);
                    break;
                case __HResults.E_ELEMENTNOTENABLED:
                    exception = ConstructExceptionUsingReflection(
                        "Windows.UI.Xaml.Automation.ElementNotEnabledException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0", 
                        message);
                    break;
                case __HResults.E_LAYOUTCYCLE:
                    exception = ConstructExceptionUsingReflection(
                        "Windows.UI.Xaml.LayoutCycleException, System.Runtime.WindowsRuntime.UI.Xaml, Version=4.0.0.0", 
                        message);
                    break;
#endif // ENABLE_WINRT
                case __HResults.COR_E_AMBIGUOUSMATCH: // AmbiguousMatchException
                case __HResults.COR_E_APPLICATION: // ApplicationException
                case __HResults.COR_E_APPDOMAINUNLOADED: // AppDomainUnloadedException
                case __HResults.COR_E_CANNOTUNLOADAPPDOMAIN: // CannotUnloadAppDomainException
                case __HResults.COR_E_CODECONTRACTFAILED: // ContractException
                case __HResults.COR_E_CONTEXTMARSHAL: // ContextMarshalException
                case __HResults.CORSEC_E_CRYPTO: // CryptographicException
                case __HResults.CORSEC_E_CRYPTO_UNEX_OPER: // CryptographicUnexpectedOperationException
                case __HResults.COR_E_EXECUTIONENGINE: // ExecutionEngineException
                case __HResults.COR_E_INSUFFICIENTEXECUTIONSTACK: // InsufficientExecutionStackException
                case __HResults.COR_E_INVALIDFILTERCRITERIA: // InvalidFilterCriteriaException
                case __HResults.COR_E_INVALIDPROGRAM: // InvalidProgramException
                case __HResults.COR_E_MULTICASTNOTSUPPORTED: // MulticastNotSupportedException
                case __HResults.COR_E_REMOTING: // RemotingException
                case __HResults.COR_E_RUNTIMEWRAPPED: // RuntimeWrappedException
                case __HResults.COR_E_SERVER: // ServerException
                case __HResults.COR_E_STACKOVERFLOW: // StackOverflowException
                case __HResults.CTL_E_OUTOFSTACKSPACE: // StackOverflowException
                case __HResults.COR_E_SYSTEM: // SystemException
                case __HResults.COR_E_TARGET: // TargetException
                case __HResults.COR_E_THREADABORTED: // TargetException
                case __HResults.COR_E_THREADINTERRUPTED: // ThreadInterruptedException
                case __HResults.COR_E_THREADSTATE: // ThreadStateException
                case __HResults.COR_E_THREADSTART: // ThreadStartException
                case __HResults.COR_E_TYPEUNLOADED: // TypeUnloadedException
                case __HResults.CORSEC_E_POLICY_EXCEPTION: // PolicyException
                case __HResults.CORSEC_E_NO_EXEC_PERM: // PolicyException
                case __HResults.CORSEC_E_MIN_GRANT_FAIL: // PolicyException
                case __HResults.CORSEC_E_XMLSYNTAX: // XmlSyntaxException
                case __HResults.ISS_E_ALLOC_TOO_LARGE: // IsolatedStorageException
                case __HResults.ISS_E_BLOCK_SIZE_TOO_SMALL: // IsolatedStorageException
                case __HResults.ISS_E_CALLER: // IsolatedStorageException
                case __HResults.ISS_E_CORRUPTED_STORE_FILE: // IsolatedStorageException
                case __HResults.ISS_E_CREATE_DIR: // IsolatedStorageException
                case __HResults.ISS_E_CREATE_MUTEX: // IsolatedStorageException
                case __HResults.ISS_E_DEPRECATE: // IsolatedStorageException
                case __HResults.ISS_E_FILE_NOT_MAPPED: // IsolatedStorageException
                case __HResults.ISS_E_FILE_WRITE: // IsolatedStorageException
                case __HResults.ISS_E_GET_FILE_SIZE: // IsolatedStorageException
                case __HResults.ISS_E_ISOSTORE: // IsolatedStorageException
                case __HResults.ISS_E_LOCK_FAILED: // IsolatedStorageException
                case __HResults.ISS_E_MACHINE: // IsolatedStorageException
                case __HResults.ISS_E_MACHINE_DACL: // IsolatedStorageException
                case __HResults.ISS_E_MAP_VIEW_OF_FILE: // IsolatedStorageException
                case __HResults.ISS_E_OPEN_FILE_MAPPING: // IsolatedStorageException
                case __HResults.ISS_E_OPEN_STORE_FILE: // IsolatedStorageException
                case __HResults.ISS_E_PATH_LENGTH: // IsolatedStorageException
                case __HResults.ISS_E_SET_FILE_POINTER: // IsolatedStorageException
                case __HResults.ISS_E_STORE_NOT_OPEN: // IsolatedStorageException
                case __HResults.ISS_E_STORE_VERSION: // IsolatedStorageException
                case __HResults.ISS_E_TABLE_ROW_NOT_FOUND: // IsolatedStorageException
                case __HResults.ISS_E_USAGE_WILL_EXCEED_QUOTA: // IsolatedStorageException
                case __HResults.E_FAIL:
                default:
                    break;
            }

            if (exception == null)
            {
                if (createCOMException)
                {
                    exception = new COMException();
                    if (errorCode != __HResults.E_FAIL)
                        shouldDisplayHR = true;
                }
                else
                {
                    exception = new Exception();
                    if (errorCode != __HResults.COR_E_EXCEPTION)
                        shouldDisplayHR = true;
                 }
            }

            bool shouldConstructMessage = false;
            if (hasErrorInfo)
            {
                // If there is a IErrorInfo/IRestrictedErrorInfo, only construct a new error message if
                // the message is not available and do not use the shouldDisplayHR setting
                if (message == null)
                    shouldConstructMessage = true;
            }
            else
            {
                // If there is no IErrorInfo, use the shouldDisplayHR setting from the big switch/case above
                shouldConstructMessage = shouldDisplayHR;
            }

            if (shouldConstructMessage)
            {
                //
                // Append the HR into error message, just in case the app wants to look at the HR in
                // message to determine behavior.  We didn't expose HResult property until v4.5 and
                // GetHRFromException has side effects so probably Message was their only choice.
                // This behavior is probably not exactly the same as in desktop but it is fine to append
                // more message at the end. In any case, having the HR in the error message are helpful
                // to developers.
                // This makes sure:
                // 1. We always have a HR 0xNNNNNNNN in the message
                // 2. Put in a nice "Exception thrown from HRESULT" message if we can
                // 3. Wrap it in () if there is an existing message
                //

                // TODO: Add Symbolic Name into Messaage, convert 0x80020006 to DISP_E_UNKNOWNNAME
                string hrMessage = String.Format("{0} 0x{1}", SR.Excep_FromHResult, errorCode.LowLevelToString());

                message = ExternalInterop.GetMessage(errorCode);

                // Always make sure we have at least the HRESULT part in retail build or when the message
                // is empty.
                if (message == null)
                    message = hrMessage;
                else
                    message = message + " (" + hrMessage + ")";
            }

            if (message != null)
            {
                // Set message explicitly rather than calling constructor because certain ctors would append a
                // prefix to the message and that is not what we want
                InteropExtensions.SetExceptionMessage(exception, message);
            }

            InteropExtensions.SetExceptionErrorCode(exception, errorCode);

            return exception;
        }
Example #6
0
        /// <summary>
        /// Activates the plugins located in the host sites AppDomain (/bin).
        /// </summary>
        internal static void ActivatePlugins()
        {
            var assemblies = AppDomain.CurrentDomain.GetAssemblies();
            // load all types that have a base class of Oda.Plugin
            var unloadedPlugins = (from assembly in assemblies from type in assembly.GetTypes() where type.BaseType == typeof (Plugin) select type).ToList();
            var loadedPlugins = new List<Type>();
            // index counter for walking through dependencies
            var x = 0;
            while (unloadedPlugins.Count>0)
            {
                // if the index is too high, start over from the begining
                // this can happen if a dependencies are in an unusual order (e.g.: 1 requires 3, 3 requires 2, 2 requires 4)
                if(x>unloadedPlugins.Count-1)
                {
                    x = 0;
                }
                // get the first unloaded plugin
                var type = unloadedPlugins[x];
                // get the plugins dependencies from the classes PluginDependencies attribute
                var d = (PluginDependencies[])type.GetCustomAttributes(typeof(PluginDependencies), true);
                // if there are no dependencies load
                // the plugin now and remove from the
                // unloaded plugins list.
                if(d.Length == 0)
                {
                    LoadPlugin(type, unloadedPlugins, loadedPlugins);
                    x = 0;
                    continue;
                }
                // there are dependencies
                var dependencies = d[0].RequiredTypes;
                // next try and invalidate this boolean by ...
                var allDependenciesFound = true;
                // ... checking already loaded plugins for the presence of loaded dependancies
                foreach (var dependentType in dependencies.Where(dependentType => !loadedPlugins.Contains(dependentType)))
                {
                    allDependenciesFound = false;
                    // check to see if this dependency will _ever_ be loaded
                    if (unloadedPlugins.Contains(dependentType)) continue;
                    // there is a missing dependency.
                    // Throw and exception telling the user what plugin needs it and what the needed plugin is called.

                    // create a string list of the plugins required
                    var sb = new StringBuilder();
                    foreach(var dpn in dependencies)
                    {
                        sb.Append(dpn.FullName + ", ");
                    }
                    sb.Remove(sb.Length - 2, 2);// remove trailing ', '
                    Exception e = new DllNotFoundException(string.Format(@"The plugin {0} requires the following plugins {1}, however plugin {2} is missing.",
                                                                         type.FullName, sb, dependentType.FullName));
                    throw e;
                }
                if(allDependenciesFound)
                {
                    // All dependencies were found
                    // go ahead and load this type now.
                    LoadPlugin(type, unloadedPlugins, loadedPlugins);
                    x = 0;
                }else{
                    // one or more dependencies were not found
                    // skip loading this type for now until
                    // the proper dependency can be found
                    x++;
                }
            }
            // now load json methods
            LoadJsonMethods(assemblies);
        }
        private static void DisplaySqliteError(DllNotFoundException e)
        {
            var currentDirectory = new DirectoryInfo(new Uri(Assembly.GetExecutingAssembly().CodeBase).PathAndQuery);
            while (currentDirectory.Parent != null)
            {
                var testPath = currentDirectory.Parent.FullName + "\\sqlite\\sqlite.dll";
                if (!File.Exists(testPath))
                {
                    currentDirectory = currentDirectory.Parent;
                    continue;
                }

                var message = string.Format("Please add {0} to your system path", currentDirectory.Parent.FullName + "\\sqlite");
                Console.WriteLine(e.Message);
                Console.WriteLine(message);
                throw new PersistenceException(message);
            }
            throw new PersistenceException("Please add sqlite.dll to your system path");
        }
        private void LoadUnmanagedLibraries()
        {
            string assemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            IntPtr pDll = NativeMethods.LoadLibrary(Path.Combine(assemblyPath, "SciLexer.dll"));

            if (pDll == IntPtr.Zero)
            {
                Exception ex = new DllNotFoundException("Could not find SciLexer.dll - This is unmanaged assembly is required by ScintillaNet.dll");

                Raygun.LogException(ex);

                throw ex;
            }
        }