diff options
Diffstat (limited to 'MediaBrowser.Server.Implementations/Persistence')
8 files changed, 244 insertions, 265 deletions
diff --git a/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs b/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs index 395907844..f9c892b76 100644 --- a/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs @@ -9,13 +9,22 @@ namespace MediaBrowser.Server.Implementations.Persistence public abstract class BaseSqliteRepository : IDisposable { protected readonly SemaphoreSlim WriteLock = new SemaphoreSlim(1, 1); + protected readonly IDbConnector DbConnector; protected ILogger Logger; - protected BaseSqliteRepository(ILogManager logManager) + protected string DbFilePath { get; set; } + + protected BaseSqliteRepository(ILogManager logManager, IDbConnector dbConnector) { + DbConnector = dbConnector; Logger = logManager.GetLogger(GetType().Name); } + protected Task<IDbConnection> CreateConnection(bool isReadOnly = false) + { + return DbConnector.Connect(DbFilePath, false, true); + } + private bool _disposed; protected void CheckDisposed() { @@ -84,6 +93,9 @@ namespace MediaBrowser.Server.Implementations.Persistence } } - protected abstract void CloseConnection(); + protected virtual void CloseConnection() + { + + } } } diff --git a/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs b/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs index 2092f830a..596cf8407 100644 --- a/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs +++ b/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs @@ -5,6 +5,6 @@ namespace MediaBrowser.Server.Implementations.Persistence { public interface IDbConnector { - Task<IDbConnection> Connect(string dbPath, int? cacheSize = null); + Task<IDbConnection> Connect(string dbPath, bool isReadOnly, bool enablePooling = false, int? cacheSize = null); } } diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs index 6077cfdba..1a6a88ebe 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs @@ -18,12 +18,11 @@ namespace MediaBrowser.Server.Implementations.Persistence /// </summary> public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository { - private IDbConnection _connection; - - public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths) : base(logManager) + public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IDbConnector dbConnector) + : base(logManager, dbConnector) { _jsonSerializer = jsonSerializer; - _appPaths = appPaths; + DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db"); } /// <summary> @@ -44,21 +43,14 @@ namespace MediaBrowser.Server.Implementations.Persistence private readonly IJsonSerializer _jsonSerializer; /// <summary> - /// The _app paths - /// </summary> - private readonly IApplicationPaths _appPaths; - - /// <summary> /// Opens the connection to the database /// </summary> /// <returns>Task.</returns> - public async Task Initialize(IDbConnector dbConnector) + public async Task Initialize() { - var dbFile = Path.Combine(_appPaths.DataPath, "displaypreferences.db"); - - _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false); - - string[] queries = { + using (var connection = await CreateConnection().ConfigureAwait(false)) + { + string[] queries = { "create table if not exists userdisplaypreferences (id GUID, userId GUID, client text, data BLOB)", "create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)", @@ -69,7 +61,8 @@ namespace MediaBrowser.Server.Implementations.Persistence "pragma shrink_memory" }; - _connection.RunQueries(queries, Logger); + connection.RunQueries(queries, Logger); + } } /// <summary> @@ -96,58 +89,57 @@ namespace MediaBrowser.Server.Implementations.Persistence var serialized = _jsonSerializer.SerializeToBytes(displayPreferences); - await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false); - - IDbTransaction transaction = null; - - try + using (var connection = await CreateConnection().ConfigureAwait(false)) { - transaction = _connection.BeginTransaction(); + IDbTransaction transaction = null; - using (var cmd = _connection.CreateCommand()) + try { - cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)"; + transaction = connection.BeginTransaction(); + + using (var cmd = connection.CreateCommand()) + { + cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)"; - cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreferences.Id); - cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId; - cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client; - cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized; + cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreferences.Id); + cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId; + cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client; + cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized; - cmd.Transaction = transaction; + cmd.Transaction = transaction; - cmd.ExecuteNonQuery(); - } + cmd.ExecuteNonQuery(); + } - transaction.Commit(); - } - catch (OperationCanceledException) - { - if (transaction != null) + transaction.Commit(); + } + catch (OperationCanceledException) { - transaction.Rollback(); + if (transaction != null) + { + transaction.Rollback(); + } + + throw; } + catch (Exception e) + { + Logger.ErrorException("Failed to save display preferences:", e); - throw; - } - catch (Exception e) - { - Logger.ErrorException("Failed to save display preferences:", e); + if (transaction != null) + { + transaction.Rollback(); + } - if (transaction != null) - { - transaction.Rollback(); + throw; } - - throw; - } - finally - { - if (transaction != null) + finally { - transaction.Dispose(); + if (transaction != null) + { + transaction.Dispose(); + } } - - WriteLock.Release(); } } @@ -168,64 +160,63 @@ namespace MediaBrowser.Server.Implementations.Persistence cancellationToken.ThrowIfCancellationRequested(); - await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false); - - IDbTransaction transaction = null; - - try + using (var connection = await CreateConnection().ConfigureAwait(false)) { - transaction = _connection.BeginTransaction(); + IDbTransaction transaction = null; - foreach (var displayPreference in displayPreferences) + try { + transaction = connection.BeginTransaction(); - var serialized = _jsonSerializer.SerializeToBytes(displayPreference); - - using (var cmd = _connection.CreateCommand()) + foreach (var displayPreference in displayPreferences) { - cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)"; - cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreference.Id); - cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId; - cmd.Parameters.Add(cmd, "@3", DbType.String).Value = displayPreference.Client; - cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized; + var serialized = _jsonSerializer.SerializeToBytes(displayPreference); - cmd.Transaction = transaction; + using (var cmd = connection.CreateCommand()) + { + cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)"; - cmd.ExecuteNonQuery(); + cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreference.Id); + cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId; + cmd.Parameters.Add(cmd, "@3", DbType.String).Value = displayPreference.Client; + cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized; + + cmd.Transaction = transaction; + + cmd.ExecuteNonQuery(); + } } - } - transaction.Commit(); - } - catch (OperationCanceledException) - { - if (transaction != null) + transaction.Commit(); + } + catch (OperationCanceledException) { - transaction.Rollback(); + if (transaction != null) + { + transaction.Rollback(); + } + + throw; } + catch (Exception e) + { + Logger.ErrorException("Failed to save display preferences:", e); - throw; - } - catch (Exception e) - { - Logger.ErrorException("Failed to save display preferences:", e); + if (transaction != null) + { + transaction.Rollback(); + } - if (transaction != null) - { - transaction.Rollback(); + throw; } - - throw; - } - finally - { - if (transaction != null) + finally { - transaction.Dispose(); + if (transaction != null) + { + transaction.Dispose(); + } } - - WriteLock.Release(); } } @@ -246,28 +237,33 @@ namespace MediaBrowser.Server.Implementations.Persistence var guidId = displayPreferencesId.GetMD5(); - var cmd = _connection.CreateCommand(); - cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client"; - - cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = guidId; - cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId; - cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client; - - using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow)) + using (var connection = CreateConnection(true).Result) { - if (reader.Read()) + using (var cmd = connection.CreateCommand()) { - using (var stream = reader.GetMemoryStream(0)) + cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client"; + + cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = guidId; + cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId; + cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client; + + using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow)) { - return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream); + if (reader.Read()) + { + using (var stream = reader.GetMemoryStream(0)) + { + return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream); + } + } } + + return new DisplayPreferences + { + Id = guidId.ToString("N") + }; } } - - return new DisplayPreferences - { - Id = guidId.ToString("N") - }; } /// <summary> @@ -278,36 +274,30 @@ namespace MediaBrowser.Server.Implementations.Persistence /// <exception cref="System.ArgumentNullException">item</exception> public IEnumerable<DisplayPreferences> GetAllDisplayPreferences(Guid userId) { + var list = new List<DisplayPreferences>(); - var cmd = _connection.CreateCommand(); - cmd.CommandText = "select data from userdisplaypreferences where userId=@userId"; - - cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId; - - using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) + using (var connection = CreateConnection(true).Result) { - while (reader.Read()) + using (var cmd = connection.CreateCommand()) { - using (var stream = reader.GetMemoryStream(0)) + cmd.CommandText = "select data from userdisplaypreferences where userId=@userId"; + + cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId; + + using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) { - yield return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream); + while (reader.Read()) + { + using (var stream = reader.GetMemoryStream(0)) + { + list.Add(_jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream)); + } + } } } } - } - - protected override void CloseConnection() - { - if (_connection != null) - { - if (_connection.IsOpen()) - { - _connection.Close(); - } - _connection.Dispose(); - _connection = null; - } + return list; } public Task SaveDisplayPreferences(DisplayPreferences displayPreferences, string userId, string client, CancellationToken cancellationToken) diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs index 2f3f34aa4..cc9e3ebcc 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs @@ -19,11 +19,7 @@ namespace MediaBrowser.Server.Implementations.Persistence /// <summary> /// Connects to db. /// </summary> - /// <param name="dbPath">The db path.</param> - /// <param name="logger">The logger.</param> - /// <returns>Task{IDbConnection}.</returns> - /// <exception cref="System.ArgumentNullException">dbPath</exception> - public static async Task<IDbConnection> ConnectToDb(string dbPath, int? cacheSize, ILogger logger) + public static async Task<IDbConnection> ConnectToDb(string dbPath, bool isReadOnly, bool enablePooling, int? cacheSize, ILogger logger) { if (string.IsNullOrEmpty(dbPath)) { @@ -38,7 +34,9 @@ namespace MediaBrowser.Server.Implementations.Persistence CacheSize = cacheSize ?? 2000, SyncMode = SynchronizationModes.Normal, DataSource = dbPath, - JournalMode = SQLiteJournalModeEnum.Wal + JournalMode = SQLiteJournalModeEnum.Wal, + Pooling = enablePooling, + ReadOnly = isReadOnly }; var connection = new SQLiteConnection(connectionstr.ConnectionString); @@ -47,15 +45,5 @@ namespace MediaBrowser.Server.Implementations.Persistence return connection; } - - public static void BindFunction(this SQLiteConnection connection, SQLiteFunction function) - { - var attributes = function.GetType().GetCustomAttributes(typeof(SQLiteFunctionAttribute), true).Cast<SQLiteFunctionAttribute>().ToArray(); - if (attributes.Length == 0) - { - throw new InvalidOperationException("SQLiteFunction doesn't have SQLiteFunctionAttribute"); - } - connection.BindFunction(attributes[0], function); - } } } diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs index 037776997..8a4ba6460 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs @@ -26,7 +26,7 @@ namespace MediaBrowser.Server.Implementations.Persistence private IDbCommand _deleteResultCommand; private IDbCommand _deleteAllCommand; - public SqliteFileOrganizationRepository(ILogManager logManager, IServerApplicationPaths appPaths) : base(logManager) + public SqliteFileOrganizationRepository(ILogManager logManager, IServerApplicationPaths appPaths, IDbConnector connector) : base(logManager, connector) { _appPaths = appPaths; } @@ -39,7 +39,7 @@ namespace MediaBrowser.Server.Implementations.Persistence { var dbFile = Path.Combine(_appPaths.DataPath, "fileorganization.db"); - _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false); + _connection = await dbConnector.Connect(dbFile, false).ConfigureAwait(false); string[] queries = { diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs index 071951018..9bfdd879d 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs @@ -99,8 +99,8 @@ namespace MediaBrowser.Server.Implementations.Persistence /// <summary> /// Initializes a new instance of the <see cref="SqliteItemRepository"/> class. /// </summary> - public SqliteItemRepository(IServerConfigurationManager config, IJsonSerializer jsonSerializer, ILogManager logManager) - : base(logManager) + public SqliteItemRepository(IServerConfigurationManager config, IJsonSerializer jsonSerializer, ILogManager logManager, IDbConnector connector) + : base(logManager, connector) { if (config == null) { @@ -127,7 +127,7 @@ namespace MediaBrowser.Server.Implementations.Persistence { var dbFile = Path.Combine(_config.ApplicationPaths.DataPath, "library.db"); - _connection = await dbConnector.Connect(dbFile, 6000).ConfigureAwait(false); + _connection = await dbConnector.Connect(dbFile, false, false, 6000).ConfigureAwait(false); var createMediaStreamsTableCommand = "create table if not exists mediastreams (ItemId GUID, StreamIndex INT, StreamType TEXT, Codec TEXT, Language TEXT, ChannelLayout TEXT, Profile TEXT, AspectRatio TEXT, Path TEXT, IsInterlaced BIT, BitRate INT NULL, Channels INT NULL, SampleRate INT NULL, IsDefault BIT, IsForced BIT, IsExternal BIT, Height INT NULL, Width INT NULL, AverageFrameRate FLOAT NULL, RealFrameRate FLOAT NULL, Level FLOAT NULL, PixelFormat TEXT, BitDepth INT NULL, IsAnamorphic BIT NULL, RefFrames INT NULL, CodecTag TEXT NULL, Comment TEXT NULL, NalLengthSize TEXT NULL, IsAvc BIT NULL, Title TEXT NULL, TimeBase TEXT NULL, CodecTimeBase TEXT NULL, PRIMARY KEY (ItemId, StreamIndex))"; diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs index bfdb9e0c7..d81f4ad37 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs @@ -18,7 +18,7 @@ namespace MediaBrowser.Server.Implementations.Persistence private IDbConnection _connection; private readonly IApplicationPaths _appPaths; - public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths) : base(logManager) + public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths, IDbConnector connector) : base(logManager, connector) { _appPaths = appPaths; } @@ -43,7 +43,7 @@ namespace MediaBrowser.Server.Implementations.Persistence { var dbFile = Path.Combine(_appPaths.DataPath, "userdata_v2.db"); - _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false); + _connection = await dbConnector.Connect(dbFile, false).ConfigureAwait(false); string[] queries = { diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs index f7ca39a54..4c07a6018 100644 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs +++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs @@ -17,14 +17,13 @@ namespace MediaBrowser.Server.Implementations.Persistence /// </summary> public class SqliteUserRepository : BaseSqliteRepository, IUserRepository { - private IDbConnection _connection; - private readonly IServerApplicationPaths _appPaths; private readonly IJsonSerializer _jsonSerializer; - public SqliteUserRepository(ILogManager logManager, IServerApplicationPaths appPaths, IJsonSerializer jsonSerializer) : base(logManager) + public SqliteUserRepository(ILogManager logManager, IServerApplicationPaths appPaths, IJsonSerializer jsonSerializer, IDbConnector dbConnector) : base(logManager, dbConnector) { - _appPaths = appPaths; _jsonSerializer = jsonSerializer; + + DbFilePath = Path.Combine(appPaths.DataPath, "users.db"); } /// <summary> @@ -43,13 +42,11 @@ namespace MediaBrowser.Server.Implementations.Persistence /// Opens the connection to the database /// </summary> /// <returns>Task.</returns> - public async Task Initialize(IDbConnector dbConnector) + public async Task Initialize() { - var dbFile = Path.Combine(_appPaths.DataPath, "users.db"); - - _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false); - - string[] queries = { + using (var connection = await CreateConnection().ConfigureAwait(false)) + { + string[] queries = { "create table if not exists users (guid GUID primary key, data BLOB)", "create index if not exists idx_users on users(guid)", @@ -61,7 +58,8 @@ namespace MediaBrowser.Server.Implementations.Persistence "pragma shrink_memory" }; - _connection.RunQueries(queries, Logger); + connection.RunQueries(queries, Logger); + } } /// <summary> @@ -84,55 +82,54 @@ namespace MediaBrowser.Server.Implementations.Persistence cancellationToken.ThrowIfCancellationRequested(); - await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false); - - IDbTransaction transaction = null; - - try + using (var connection = await CreateConnection().ConfigureAwait(false)) { - transaction = _connection.BeginTransaction(); + IDbTransaction transaction = null; - using (var cmd = _connection.CreateCommand()) + try { - cmd.CommandText = "replace into users (guid, data) values (@1, @2)"; - cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = user.Id; - cmd.Parameters.Add(cmd, "@2", DbType.Binary).Value = serialized; + transaction = connection.BeginTransaction(); - cmd.Transaction = transaction; + using (var cmd = connection.CreateCommand()) + { + cmd.CommandText = "replace into users (guid, data) values (@1, @2)"; + cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = user.Id; + cmd.Parameters.Add(cmd, "@2", DbType.Binary).Value = serialized; - cmd.ExecuteNonQuery(); - } + cmd.Transaction = transaction; - transaction.Commit(); - } - catch (OperationCanceledException) - { - if (transaction != null) + cmd.ExecuteNonQuery(); + } + + transaction.Commit(); + } + catch (OperationCanceledException) { - transaction.Rollback(); + if (transaction != null) + { + transaction.Rollback(); + } + + throw; } + catch (Exception e) + { + Logger.ErrorException("Failed to save user:", e); - throw; - } - catch (Exception e) - { - Logger.ErrorException("Failed to save user:", e); + if (transaction != null) + { + transaction.Rollback(); + } - if (transaction != null) - { - transaction.Rollback(); + throw; } - - throw; - } - finally - { - if (transaction != null) + finally { - transaction.Dispose(); + if (transaction != null) + { + transaction.Dispose(); + } } - - WriteLock.Release(); } } @@ -142,25 +139,32 @@ namespace MediaBrowser.Server.Implementations.Persistence /// <returns>IEnumerable{User}.</returns> public IEnumerable<User> RetrieveAllUsers() { - using (var cmd = _connection.CreateCommand()) - { - cmd.CommandText = "select guid,data from users"; + var list = new List<User>(); - using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) + using (var connection = CreateConnection(true).Result) + { + using (var cmd = connection.CreateCommand()) { - while (reader.Read()) - { - var id = reader.GetGuid(0); + cmd.CommandText = "select guid,data from users"; - using (var stream = reader.GetMemoryStream(1)) + using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) + { + while (reader.Read()) { - var user = _jsonSerializer.DeserializeFromStream<User>(stream); - user.Id = id; - yield return user; + var id = reader.GetGuid(0); + + using (var stream = reader.GetMemoryStream(1)) + { + var user = _jsonSerializer.DeserializeFromStream<User>(stream); + user.Id = id; + list.Add(user); + } } } } } + + return list; } /// <summary> @@ -179,69 +183,54 @@ namespace MediaBrowser.Server.Implementations.Persistence cancellationToken.ThrowIfCancellationRequested(); - await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false); - - IDbTransaction transaction = null; - - try + using (var connection = await CreateConnection().ConfigureAwait(false)) { - transaction = _connection.BeginTransaction(); + IDbTransaction transaction = null; - using (var cmd = _connection.CreateCommand()) + try { - cmd.CommandText = "delete from users where guid=@guid"; - - cmd.Parameters.Add(cmd, "@guid", DbType.Guid).Value = user.Id; + transaction = connection.BeginTransaction(); - cmd.Transaction = transaction; + using (var cmd = connection.CreateCommand()) + { + cmd.CommandText = "delete from users where guid=@guid"; - cmd.ExecuteNonQuery(); - } + cmd.Parameters.Add(cmd, "@guid", DbType.Guid).Value = user.Id; - transaction.Commit(); - } - catch (OperationCanceledException) - { - if (transaction != null) - { - transaction.Rollback(); - } + cmd.Transaction = transaction; - throw; - } - catch (Exception e) - { - Logger.ErrorException("Failed to delete user:", e); + cmd.ExecuteNonQuery(); + } - if (transaction != null) - { - transaction.Rollback(); + transaction.Commit(); } - - throw; - } - finally - { - if (transaction != null) + catch (OperationCanceledException) { - transaction.Dispose(); + if (transaction != null) + { + transaction.Rollback(); + } + + throw; } + catch (Exception e) + { + Logger.ErrorException("Failed to delete user:", e); - WriteLock.Release(); - } - } + if (transaction != null) + { + transaction.Rollback(); + } - protected override void CloseConnection() - { - if (_connection != null) - { - if (_connection.IsOpen()) + throw; + } + finally { - _connection.Close(); + if (transaction != null) + { + transaction.Dispose(); + } } - - _connection.Dispose(); - _connection = null; } } } |