public async Task TestInitialize()
{
if (File.Exists(MasterFileName + ".bak"))
{
File.Delete(MasterFileName + ".bak");
}
if (File.Exists(MasterFileName))
{
File.Copy(MasterFileName, MasterFileName + ".bak");
File.Delete(MasterFileName);
}
if (File.Exists(FileName + ".bak"))
{
File.Delete(FileName + ".bak");
}
if (File.Exists(FileName))
{
File.Copy(FileName, FileName + ".bak");
File.Delete(FileName);
}
if (File.Exists(BlobFileName + ".bak"))
{
File.Delete(BlobFileName + ".bak");
}
if (File.Exists(BlobFileName))
{
File.Copy(BlobFileName, BlobFileName + ".bak");
File.Delete(BlobFileName);
}
if (File.Exists(NamesFileName + ".bak"))
{
File.Delete(NamesFileName + ".bak");
}
if (File.Exists(NamesFileName))
{
File.Copy(NamesFileName, NamesFileName + ".bak");
File.Delete(NamesFileName);
}
this.provider = new FilesProvider(Folder, CollectionName, this.BlockSize, BlocksInCache, Math.Max(BlockSize / 2, 1024), Encoding.UTF8, 10000, true);
this.file = await this.provider.GetFile(CollectionName);
this.start = DateTime.Now;
}
public static async Task AssemblyInitialize(TestContext _)
{
Types.Initialize(
typeof(FilesProvider).Assembly,
typeof(ObjectSerializer).Assembly,
typeof(LanguageTests).Assembly,
typeof(Expression).Assembly);
Log.Register(consoleEventSink = new ConsoleEventSink());
filesProvider = await FilesProvider.CreateAsync("Data", "Default", 8192, 10000, 8192, Encoding.UTF8, 10000, true);
Database.Register(filesProvider);
}
internal IndexBTreeFileEnumerator(IndexBTreeFile File, IndexRecords RecordHandler)
{
this.file = File;
this.locked = false;
this.recordHandler = RecordHandler;
this.provider = this.file.ObjectFile.Provider;
this.hasCurrent = false;
this.currentObjectId = Guid.Empty;
this.current = default(T);
this.currentSerializer = null;
this.timeoutMilliseconds = File.IndexFile.TimeoutMilliseconds;
this.e = new ObjectBTreeFileEnumerator <object>(this.file.IndexFile, RecordHandler);
}
public void CopyTo(object[] array, int arrayIndex)
{
Task <ObjectBTreeFileEnumerator <KeyValuePair <string, object> > > Task = this.dictionary.GetEnumerator(LockType.Read);
FilesProvider.Wait(Task, this.dictionary.DictionaryFile.TimeoutMilliseconds);
using (ObjectBTreeFileEnumerator <KeyValuePair <string, object> > e = Task.Result)
{
while (e.MoveNext())
{
array[arrayIndex++] = e.Current.Value;
}
}
}
public static void AssemblyCleanup()
{
if (filesProvider != null)
{
filesProvider.Dispose();
filesProvider = null;
}
if (consoleEventSink != null)
{
Log.Unregister(consoleEventSink);
consoleEventSink = null;
}
}
/// <summary>
/// <see cref="ICollection{T}.CopyTo(T[], int)"/>
/// </summary>
public void CopyTo(KeyValuePair <string, object>[] array, int arrayIndex)
{
Task <ObjectBTreeFileEnumerator <KeyValuePair <string, object> > > Task = this.GetEnumerator(true);
FilesProvider.Wait(Task, this.timeoutMilliseconds);
using (ObjectBTreeFileEnumerator <KeyValuePair <string, object> > e = Task.Result)
{
while (e.MoveNext())
{
array[arrayIndex++] = e.Current;
}
}
}
/// <summary>
/// Gets or sets the element with the specified key.
/// </summary>
/// <param name="key">The key of the element to get or set.</param>
/// <returns>The element with the specified key.</returns>
/// <exception cref="ArgumentNullException">key is null.</exception>
/// <exception cref="KeyNotFoundException">The property is retrieved and key is not found.</exception>
public object this[string key]
{
get
{
Task <KeyValuePair <string, object> > Task = this.GetValueAsync(key);
FilesProvider.Wait(Task, this.timeoutMilliseconds);
return(Task.Result.Value);
}
set
{
FilesProvider.Wait(this.AddAsync(key, value, true), this.timeoutMilliseconds);
}
}
public static async Task ClassInitialize(TestContext Context)
{
try
{
IDatabaseProvider p = Database.Provider;
}
catch
{
#if LW
Database.Register(await FilesProvider.CreateAsync("Data", "Default", 8192, 8192, 8192, Encoding.UTF8, 10000));
#else
Database.Register(await FilesProvider.CreateAsync("Data", "Default", 8192, 8192, 8192, Encoding.UTF8, 10000, true));
#endif
}
}
public static void AssemblyInitialize(TestContext Context)
{
Waher.Runtime.Inventory.Types.Initialize(
typeof(MarkdownPlainTextTests).Assembly,
typeof(Expression).Assembly,
typeof(Graph).Assembly,
typeof(MarkdownDocument).Assembly,
typeof(CommonTypes).Assembly,
typeof(Database).Assembly,
typeof(FilesProvider).Assembly,
typeof(ImageCodec).Assembly);
filesProvider = new FilesProvider("Data", "Default", 8192, 10000, 8192, Encoding.UTF8, 10000, true);
Database.Register(filesProvider);
}
/// <summary>
/// This class manages an index file to a <see cref="ObjectBTreeFile"/>.
/// </summary>
/// <param name="FileName">File name of index file.</param>
/// <param name="ObjectFile">Object file storing actual objects.</param>
/// <param name="Provider">Files provider.</param>
/// <param name="FieldNames">Field names to build the index on. By default, sort order is ascending.
/// If descending sort order is desired, prefix the corresponding field name by a hyphen (minus) sign.</param>
internal IndexBTreeFile(string FileName, ObjectBTreeFile ObjectFile, FilesProvider Provider,
params string[] FieldNames)
{
this.objectFile = ObjectFile;
this.collectionName = this.objectFile.CollectionName;
this.encoding = this.objectFile.Encoding;
this.recordHandler = new IndexRecords(this.collectionName, this.encoding, this.objectFile.InlineObjectSizeLimit, FieldNames);
this.genericSerializer = new GenericObjectSerializer(this.objectFile.Provider);
this.indexFile = new ObjectBTreeFile(FileName, string.Empty, string.Empty, this.objectFile.BlockSize,
this.objectFile.BlobBlockSize, Provider, this.encoding, this.objectFile.TimeoutMilliseconds,
this.objectFile.Encrypted, this.recordHandler);
this.recordHandler.Index = this;
}
private async static Task<IDatabaseProvider> GetDatabase(XmlElement DatabaseConfig)
{
if (!CommonTypes.TryParse(DatabaseConfig.Attributes["encrypted"].Value, out bool Encrypted))
Encrypted = true;
FilesProvider Result = await FilesProvider.CreateAsync(Gateway.AppDataFolder + DatabaseConfig.Attributes["folder"].Value,
DatabaseConfig.Attributes["defaultCollectionName"].Value,
int.Parse(DatabaseConfig.Attributes["blockSize"].Value),
int.Parse(DatabaseConfig.Attributes["blocksInCache"].Value),
int.Parse(DatabaseConfig.Attributes["blobBlockSize"].Value), Encoding.UTF8,
int.Parse(DatabaseConfig.Attributes["timeoutMs"].Value),
Encrypted, true);
return Result;
}
public void Delete(InternetShopFilter filter)
{
List <InternetShop> currentCollections = Get(new InternetShopFilter()); // gets ALL the Collections, because the filter is empty here
FilesProvider.OpenWriter("InternetShop", false);
foreach (InternetShop Collection in currentCollections)
{
if (Collection.Id != filter.Id)
{
FilesProvider.WriteMusicCollection(Collection);
}
}
FilesProvider.CloseWriter();
}
public async Task TestInitialize()
{
if (!File.Exists(DBFilesBTreeTests.MasterFileName + ".bak") ||
!File.Exists(DBFilesBTreeTests.DefaultFileName + ".bak") ||
!File.Exists(DBFilesBTreeTests.DefaultBlobFileName + ".bak") ||
!File.Exists(DBFilesBTreeTests.DefaultLabelsFileName + ".bak"))
{
Assert.Inconclusive("No backup files to test against.");
}
if (File.Exists(DBFilesBTreeTests.MasterFileName))
{
File.Delete(DBFilesBTreeTests.MasterFileName);
}
if (File.Exists(DBFilesBTreeTests.DefaultFileName))
{
File.Delete(DBFilesBTreeTests.DefaultFileName);
}
if (File.Exists(DBFilesBTreeTests.DefaultBlobFileName))
{
File.Delete(DBFilesBTreeTests.DefaultBlobFileName);
}
if (File.Exists(DBFilesBTreeTests.DefaultLabelsFileName))
{
File.Delete(DBFilesBTreeTests.DefaultLabelsFileName);
}
File.Copy(DBFilesBTreeTests.MasterFileName + ".bak", DBFilesBTreeTests.MasterFileName);
File.Copy(DBFilesBTreeTests.DefaultFileName + ".bak", DBFilesBTreeTests.DefaultFileName);
File.Copy(DBFilesBTreeTests.DefaultBlobFileName + ".bak", DBFilesBTreeTests.DefaultBlobFileName);
File.Copy(DBFilesBTreeTests.DefaultLabelsFileName + ".bak", DBFilesBTreeTests.DefaultLabelsFileName);
int BlockSize = this.LoadBlockSize();
#if LW
this.provider = await FilesProvider.CreateAsync(DBFilesBTreeTests.Folder, DBFilesBTreeTests.CollectionName, BlockSize, 10000, Math.Max(BlockSize / 2, 1024), Encoding.UTF8, 10000);
#else
this.provider = await FilesProvider.CreateAsync(DBFilesBTreeTests.Folder, DBFilesBTreeTests.CollectionName, BlockSize, 10000, Math.Max(BlockSize / 2, 1024), Encoding.UTF8, 10000, true);
#endif
this.file = await this.provider.GetFile(DBFilesBTreeTests.CollectionName);
this.start = DateTime.Now;
await DBFilesBTreeTests.ExportXML(this.file, "Data\\BTreeBefore.xml");
}
private static async Task <IDatabaseProvider> GetDatabase(XmlElement DatabaseConfig)
{
if (CommonTypes.TryParse(DatabaseConfig.Attributes["encrypted"].Value, out bool Encrypted) && Encrypted)
{
throw new Exception("Encrypted database storage not supported on this platform.");
}
FilesProvider Result = await FilesProvider.CreateAsync(Gateway.AppDataFolder + DatabaseConfig.Attributes["folder"].Value,
DatabaseConfig.Attributes["defaultCollectionName"].Value,
int.Parse(DatabaseConfig.Attributes["blockSize"].Value),
int.Parse(DatabaseConfig.Attributes["blocksInCache"].Value),
int.Parse(DatabaseConfig.Attributes["blobBlockSize"].Value), Encoding.UTF8,
int.Parse(DatabaseConfig.Attributes["timeoutMs"].Value));
return(Result);
}
public static void AssemblyInitialize(TestContext Context)
{
Types.Initialize(
typeof(IContentDecoder).Assembly,
typeof(Waher.Content.Xml.Text.XmlCodec).Assembly,
typeof(CoapEndpoint).Assembly,
typeof(Lwm2mClient).Assembly,
typeof(Database).Assembly,
typeof(FilesProvider).Assembly,
typeof(ICipher).Assembly);
Log.Register(consoleEventSink = new ConsoleEventSink());
filesProvider = new FilesProvider("Data", "Default", 8192, 10000, 8192, Encoding.UTF8, 10000, true);
Database.Register(filesProvider);
}
public void TestCleanup()
{
Console.Out.WriteLine("Elapsed time: " + (DateTime.Now - this.start).ToString());
if (this.file != null)
{
this.file.Dispose();
this.file = null;
}
if (this.provider != null)
{
this.provider.Dispose();
this.provider = null;
}
}
/// <summary>
/// Reads a string value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>String value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static string ReadString(BinaryDeserializer Reader, uint FieldDataType)
{
switch (FieldDataType)
{
case ObjectSerializer.TYPE_STRING: return(Reader.ReadString());
case ObjectSerializer.TYPE_ENUM: return(Reader.ReadString());
case ObjectSerializer.TYPE_NULL: return(null);
case ObjectSerializer.TYPE_CHAR: return(new string(Reader.ReadChar(), 1));
case ObjectSerializer.TYPE_BOOLEAN: return(Reader.ReadBoolean().ToString());
case ObjectSerializer.TYPE_BYTE: return(Reader.ReadByte().ToString());
case ObjectSerializer.TYPE_INT16: return(Reader.ReadInt16().ToString());
case ObjectSerializer.TYPE_INT32: return(Reader.ReadInt32().ToString());
case ObjectSerializer.TYPE_INT64: return(Reader.ReadInt64().ToString());
case ObjectSerializer.TYPE_SBYTE: return(Reader.ReadSByte().ToString());
case ObjectSerializer.TYPE_UINT16: return(Reader.ReadUInt16().ToString());
case ObjectSerializer.TYPE_UINT32: return(Reader.ReadUInt32().ToString());
case ObjectSerializer.TYPE_UINT64: return(Reader.ReadUInt64().ToString());
case ObjectSerializer.TYPE_DECIMAL: return(Reader.ReadDecimal().ToString());
case ObjectSerializer.TYPE_DOUBLE: return(Reader.ReadDouble().ToString());
case ObjectSerializer.TYPE_SINGLE: return(Reader.ReadSingle().ToString());
case ObjectSerializer.TYPE_DATETIME: return(Reader.ReadDateTime().ToString());
case ObjectSerializer.TYPE_GUID: return(Reader.ReadSingle().ToString());
case ObjectSerializer.TYPE_TIMESPAN: return(Reader.ReadSingle().ToString());
default:
throw new ArgumentException("Expected a char value, but was a " +
FilesProvider.GetFieldDataTypeName(FieldDataType) + ".", nameof(FieldDataType));
}
}
public List <InternetShop> Get(InternetShopFilter filter)
{
List <InternetShop> ResultInternetShop = new List <InternetShop>();
FilesProvider.OpenReader("InternetShop");
int peek = FilesProvider.Peek();
while (peek != -1)
{
string IdRow = FilesProvider.ReadRow();
if (string.IsNullOrEmpty(IdRow))
{
break; // means that if file is empty
}
string[] IdParts = IdRow.Split(':');
int id = Convert.ToInt32(IdParts[1].Trim());
string NameRow = FilesProvider.ReadRow();
string[] NameParts = NameRow.Split(':');
string name = NameParts[1].Trim();
string CategoryRow = FilesProvider.ReadRow();
string[] CategoryParts = NameRow.Split(':');
string category = CategoryParts[1].Trim();
string PriceRow = FilesProvider.ReadRow();
string[] PriceParts = PriceRow.Split(':');
string price = PriceParts[1].Trim();
InternetShop Collection = new InternetShop(id, name, category, price);
ResultInternetShop.Add(Collection);
peek = FilesProvider.Peek();
if (FilesProvider.ReadRow() == "")
{
continue;
}
} // while
FilesProvider.CloseReader();
return(ResultInternetShop);
}
/// <summary>
/// Gets keys for the serial file, or decendant.
/// </summary>
/// <param name="SerialFile">SerialFile reference, or decendant.</param>
/// <param name="Provider">Provider of encryption keys.</param>
protected static async Task GetKeys(SerialFile SerialFile, FilesProvider Provider)
{
if (SerialFile.encrypted)
{
SerialFile.aes = Aes.Create();
SerialFile.aes.BlockSize = 128;
SerialFile.aes.KeySize = 256;
SerialFile.aes.Mode = CipherMode.CBC;
SerialFile.aes.Padding = PaddingMode.None;
KeyValuePair <byte[], byte[]> P = await Provider.GetKeys(SerialFile.fileName, SerialFile.fileExists);
SerialFile.aesKey = P.Key;
SerialFile.ivSeed = P.Value;
SerialFile.ivSeedLen = SerialFile.ivSeed.Length;
}
}
public static void AssemblyInitialize(TestContext _)
{
Types.Initialize(
typeof(Database).Assembly,
typeof(FilesProvider).Assembly,
typeof(ObjectSerializer).Assembly,
typeof(LoginAuditor).Assembly);
filesProvider = new FilesProvider("Data", "Default", 8192, 10000, 8192, Encoding.UTF8, 10000, true);
Database.Register(filesProvider);
auditor = new LoginAuditor("Login Auditor",
new LoginInterval(5, TimeSpan.FromHours(1)), // Maximum 5 failed login attempts in an hour
new LoginInterval(2, TimeSpan.FromDays(1)), // Maximum 2x5 failed login attempts in a day
new LoginInterval(2, TimeSpan.FromDays(7)), // Maximum 2x2x5 failed login attempts in a week
new LoginInterval(2, TimeSpan.MaxValue)); // Maximum 2x2x2x5 failed login attempts in total, then blocked.
}
private static Task <IDatabaseProvider> GetDatabase(XmlElement DatabaseConfig)
{
if (!CommonTypes.TryParse(DatabaseConfig.Attributes["encrypted"].Value, out bool Encrypted))
{
Encrypted = true;
}
FilesProvider Result = new FilesProvider(Gateway.AppDataFolder + DatabaseConfig.Attributes["folder"].Value,
DatabaseConfig.Attributes["defaultCollectionName"].Value,
int.Parse(DatabaseConfig.Attributes["blockSize"].Value),
int.Parse(DatabaseConfig.Attributes["blocksInCache"].Value),
int.Parse(DatabaseConfig.Attributes["blobBlockSize"].Value), Encoding.UTF8,
int.Parse(DatabaseConfig.Attributes["timeoutMs"].Value),
Encrypted, false, true);
return(Task.FromResult <IDatabaseProvider>(Result));
}
/// <summary>
/// Reads a char value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>Char value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static char ReadChar(BinaryDeserializer Reader, uint FieldDataType)
{
switch (FieldDataType)
{
case ObjectSerializer.TYPE_CHAR: return(Reader.ReadChar());
case ObjectSerializer.TYPE_BOOLEAN: return(Reader.ReadBoolean() ? (char)1 : (char)0);
case ObjectSerializer.TYPE_BYTE: return((char)Reader.ReadByte());
case ObjectSerializer.TYPE_INT16: return((char)Reader.ReadInt16());
case ObjectSerializer.TYPE_INT32: return((char)Reader.ReadInt32());
case ObjectSerializer.TYPE_INT64: return((char)Reader.ReadInt64());
case ObjectSerializer.TYPE_SBYTE: return((char)Reader.ReadSByte());
case ObjectSerializer.TYPE_UINT16: return((char)Reader.ReadUInt16());
case ObjectSerializer.TYPE_UINT32: return((char)Reader.ReadUInt32());
case ObjectSerializer.TYPE_UINT64: return((char)Reader.ReadUInt64());
case ObjectSerializer.TYPE_DECIMAL: return((char)Reader.ReadDecimal());
case ObjectSerializer.TYPE_DOUBLE: return((char)Reader.ReadDouble());
case ObjectSerializer.TYPE_SINGLE: return((char)Reader.ReadSingle());
case ObjectSerializer.TYPE_STRING:
string s = Reader.ReadString();
if (string.IsNullOrEmpty(s))
{
return((char)0);
}
else
{
return(s[0]);
}
default:
throw new ArgumentException("Expected a char value, but was a " +
FilesProvider.GetFieldDataTypeName(FieldDataType) + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Writes an array.
/// </summary>
/// <param name="T">Element type.</param>
/// <param name="Provider">Database provider object.</param>
/// <param name="Writer">Binary writer.</param>
/// <param name="Value">Value to serialize.</param>
public static void WriteArray(Type T, FilesProvider Provider, BinarySerializer Writer, Array Value)
{
if (Value == null)
{
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
Type LastType = T;
IObjectSerializer S = Provider.GetObjectSerializer(LastType);
Type ItemType;
bool Nullable;
Writer.WriteBits(ObjectSerializer.TYPE_ARRAY, 6);
Writer.WriteVariableLengthUInt64((ulong)Value.Length);
if (Nullable = S.IsNullable)
{
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
Writer.WriteBits(FilesProvider.GetFieldDataTypeCode(LastType), 6);
}
foreach (object Item in Value)
{
if (Item == null)
{
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
ItemType = Item.GetType();
if (ItemType != LastType)
{
S = Provider.GetObjectSerializer(ItemType);
LastType = ItemType;
}
S.Serialize(Writer, Nullable, true, Item);
}
}
}
}
public RootDirectoryViewModel(NativeDirectoryInfo nativeDirectoryInfo, IDirectoryViewModel parent)
: base(nativeDirectoryInfo, parent)
{
NativeSystemInfo = nativeDirectoryInfo;
var directoryUnfo = new DirectoryInfo(nativeDirectoryInfo.Path);
var subDirectoryProvider = new SubDirectoriesProvider(directoryUnfo, this);
var filesProvider = new FilesProvider(directoryUnfo,this);
DisplayName = nativeDirectoryInfo.DisplayName;
Path = nativeDirectoryInfo.Path;
VisualPath = Parent.VisualPath + "\\" + DisplayName;
//is drive?
DriveInfo driveInfo = Drives.FirstOrDefault(info => PathHelper.NormalizePath(info.Name) == PathHelper.NormalizePath(Path));
HasItems = driveInfo?.IsReady ?? directoryUnfo.EnumerateDirectories().Any();
SubDirectories = new AsyncLoadCollection<IDirectoryViewModel>(subDirectoryProvider);
SubDirectories.CollectionChanged += _subDirectories_CollectionChanged;
Files = new AsyncLoadCollection<ISystemObjectViewModel>(filesProvider);
Children = new UnionCollectionEx<IDirectoryViewModel, ISystemObjectViewModel, ISystemObjectViewModel>(SubDirectories, Files);
}
async void init()
{
Types.Initialize(
typeof(FilesProvider).GetTypeInfo().Assembly,
typeof(ObjectSerializer).GetTypeInfo().Assembly,
typeof(RuntimeSettings).GetTypeInfo().Assembly,
typeof(Waher.Content.IContentEncoder).GetTypeInfo().Assembly,
typeof(XmppClient).GetTypeInfo().Assembly,
typeof(Waher.Content.Markdown.MarkdownDocument).GetTypeInfo().Assembly,
typeof(XML).GetTypeInfo().Assembly,
typeof(Waher.Script.Expression).GetTypeInfo().Assembly,
typeof(Waher.Script.Graphs.Graph).GetTypeInfo().Assembly,
typeof(Waher.Script.Persistence.SQL.Select).GetTypeInfo().Assembly,
typeof(TheClientV).Assembly);
db = await FilesProvider.CreateAsync(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) +
Path.DirectorySeparatorChar + "IoT-DEMO-APP", "Default", 8192, 1000, 8192, Encoding.UTF8, 10000);
Database.Register(db);
await db.RepairIfInproperShutdown(null);
await db.Start();
this.deviceId = await RuntimeSettings.GetAsync("DeviceId", string.Empty);
if (string.IsNullOrEmpty(this.deviceId))
{
this.deviceId = Guid.NewGuid().ToString().Replace("-", string.Empty);
await RuntimeSettings.SetAsync("DeviceId", this.deviceId);
}
Console.WriteLine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) +
Path.DirectorySeparatorChar + "IoT-DEMO-APP");
Console.WriteLine(this.deviceId);
this.xmppClient = new XmppClient(this.Host, this.Port, this.UserName, this.PasswordHash, "en", typeof(TheClientV).Assembly);
this.xmppClient.AllowRegistration(Key, Secret);
this.xmppClient.OnConnectionError += this.ConnectionError;
this.xmppClient.OnStateChanged += this.OnStateChanged;
this.xmppClient.OnRosterItemAdded += OnRosterItemAdded;
this.xmppClient.OnRosterItemUpdated += OnRosterItemUpdated;
this.xmppClient.OnRosterItemRemoved += OnRosterItemRemoved;
this.xmppClient.Connect();
}
public async Task TestInitialize()
{
if (File.Exists(DBFilesBTreeTests.MasterFileName + ".bak"))
{
File.Delete(DBFilesBTreeTests.MasterFileName + ".bak");
}
if (File.Exists(DBFilesBTreeTests.MasterFileName))
{
File.Copy(DBFilesBTreeTests.MasterFileName, DBFilesBTreeTests.MasterFileName + ".bak");
File.Delete(DBFilesBTreeTests.MasterFileName);
}
if (File.Exists(FileName + ".bak"))
{
File.Delete(FileName + ".bak");
}
if (File.Exists(FileName))
{
File.Copy(FileName, FileName + ".bak");
File.Delete(FileName);
}
if (File.Exists(BlobFileName + ".bak"))
{
File.Delete(BlobFileName + ".bak");
}
if (File.Exists(BlobFileName))
{
File.Copy(BlobFileName, BlobFileName + ".bak");
File.Delete(BlobFileName);
}
#if LW
this.provider = await FilesProvider.CreateAsync(Folder, CollectionName, 8192, BlocksInCache, 8192, Encoding.UTF8, 10000);
#else
this.provider = await FilesProvider.CreateAsync(Folder, CollectionName, 8192, BlocksInCache, 8192, Encoding.UTF8, 10000, true);
#endif
this.file = await StringDictionary.Create(FileName, BlobFileName, CollectionName, this.provider, false);
this.start = DateTime.Now;
}
/// <inheritdoc />
public async Task TryRepairDatabase(ProfilerThread Thread)
{
if (await this.uiDispatcher.DisplayAlert(AppResources.DatabaseIssue, AppResources.DatabaseCorruptInfoText, AppResources.RepairAndContinue, AppResources.ContinueAnyway))
{
string method = "Delete database file(s) and create new empty database";
try
{
Thread?.NewState("Delete");
// 3. Delete and create a new empty database
Directory.Delete(dataFolder, true);
Thread?.NewState("Recreate");
this.databaseProvider = await CreateDatabaseFile();
Thread?.NewState("Repair3");
await this.databaseProvider.RepairIfInproperShutdown(string.Empty);
// If we had to repair, we must register the provider 'again', as one hasn't been provided yet.
if (!Database.HasProvider)
{
method = $"{nameof(Database)}.{nameof(Database.Register)}";
Database.Register(databaseProvider, false);
}
// All is good.
this.SetState(StorageState.Ready);
}
catch (Exception e3)
{
e3 = Log.UnnestException(e3);
Thread?.Exception(e3);
// Delete and create new failed. We're out of options.
this.logService.LogException(e3, this.GetClassAndMethod(MethodBase.GetCurrentMethod(), method));
Thread?.NewState("DisplayAlert2");
await this.uiDispatcher.DisplayAlert(AppResources.DatabaseIssue, AppResources.DatabaseRepairFailedInfoText, AppResources.Ok);
}
}
}
public RootDirectoryViewModel(NativeDirectoryInfo nativeDirectoryInfo, IDirectoryViewModel parent) : base(nativeDirectoryInfo, parent)
{
NativeSystemInfo = nativeDirectoryInfo;
var directoryUnfo = new DirectoryInfo(nativeDirectoryInfo.Path);
var subDirectoryProvider = new SubDirectoriesProvider(directoryUnfo, this);
var filesProvider = new FilesProvider(directoryUnfo, this);
DisplayName = nativeDirectoryInfo.DisplayName;
Path = nativeDirectoryInfo.Path;
VisualPath = Parent.VisualPath + "\\" + DisplayName;
//is drive?
DriveInfo driveInfo = Drives.FirstOrDefault(info => PathHelper.NormalizePath(info.Name) == PathHelper.NormalizePath(Path));
HasItems = driveInfo?.IsReady ?? directoryUnfo.EnumerateDirectories().Any();
SubDirectories = new AsyncLoadCollection <IDirectoryViewModel>(subDirectoryProvider);
SubDirectories.CollectionChanged += _subDirectories_CollectionChanged;
Files = new AsyncLoadCollection <ISystemObjectViewModel>(filesProvider);
Children = new UnionCollectionEx <IDirectoryViewModel, ISystemObjectViewModel, ISystemObjectViewModel>(SubDirectories, Files);
}
/// <inheritdoc />
public async Task Shutdown()
{
this.currentState = StorageState.NotInitialized;
try
{
if (!(this.databaseProvider is null))
{
await this.databaseProvider.Flush();
this.databaseProvider.Dispose();
this.databaseProvider = null;
}
}
catch (Exception e)
{
this.logService.LogException(e);
}
}
/// <summary>
/// Serializes binary blocks into a file, possibly encrypted. Blocks are accessed in the order they were persisted.
/// </summary>
/// <param name="FileName">Name of file</param>
/// <param name="CollectionName">Collection Name</param>
/// <param name="TimeoutMilliseconds">Timeout, in milliseconds.</param>
/// <param name="Encrypted">If file is encrypted.</param>
/// <param name="Provider">Provider of encryption keys.</param>
public SerialFile(string FileName, string CollectionName, int TimeoutMilliseconds, bool Encrypted, FilesProvider Provider)
{
if (TimeoutMilliseconds <= 0)
{
throw new ArgumentOutOfRangeException("The timeout must be positive.", nameof(TimeoutMilliseconds));
}
this.provider = Provider;
this.fileName = FileName;
this.collectionName = CollectionName;
this.timeoutMilliseconds = TimeoutMilliseconds;
this.encrypted = Encrypted;
bool FileExists = File.Exists(this.fileName);
string Folder = Path.GetDirectoryName(this.fileName);
if (!string.IsNullOrEmpty(Folder) && !Directory.Exists(Folder))
{
Directory.CreateDirectory(Folder);
}
if (FileExists)
{
this.file = File.Open(this.fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
}
else
{
this.file = File.Open(this.fileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None);
}
if (this.encrypted)
{
this.aes = Aes.Create();
aes.BlockSize = 128;
aes.KeySize = 256;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.None;
this.provider.GetKeys(this.fileName, FileExists, out this.aesKey, out this.ivSeed);
this.ivSeedLen = this.ivSeed.Length;
}
}
/// <summary>
/// This class manages a string dictionary in a persisted file.
/// </summary>
/// <param name="CollectionName">Collection Name.</param>
/// <param name="Provider">Files provider.</param>
/// <param name="RetainInMemory">Retain the dictionary in memory.</param>
private StringDictionary(string CollectionName, FilesProvider Provider, bool RetainInMemory)
{
this.provider = Provider;
this.collectionName = CollectionName;
this.encoding = this.provider.Encoding;
this.timeoutMilliseconds = this.provider.TimeoutMilliseconds;
this.genericSerializer = new GenericObjectSerializer(this.provider);
this.keyValueSerializer = new KeyValueSerializer(this.provider, this.genericSerializer);
this.recordHandler = new StringDictionaryRecords(this.collectionName, this.encoding, this.genericSerializer, this.provider);
if (RetainInMemory)
{
this.inMemory = new Dictionary <string, object>();
}
else
{
this.inMemory = null;
}
}
