diff options
| author | Marc Brooks <IDisposable@gmail.com> | 2025-02-03 19:48:59 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-02-03 19:48:59 -0600 |
| commit | e8cbcde02ebd930a5eeb6c95e0875a9e30acb3e8 (patch) | |
| tree | 2ecd43f232012c8f037f4cd6fee4168e46d01aa3 /Emby.Server.Implementations/Data/BaseSqliteRepository.cs | |
| parent | 6dc61a430ba3a8480399309f277e5debfd6403ba (diff) | |
| parent | d376b5fbc7cf3ae7440a606a9e885d70605956bd (diff) | |
Merge branch 'master' into sort-nfo-data
Diffstat (limited to 'Emby.Server.Implementations/Data/BaseSqliteRepository.cs')
| -rw-r--r-- | Emby.Server.Implementations/Data/BaseSqliteRepository.cs | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs b/Emby.Server.Implementations/Data/BaseSqliteRepository.cs deleted file mode 100644 index 8ed72c208..000000000 --- a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs +++ /dev/null @@ -1,269 +0,0 @@ -#nullable disable - -#pragma warning disable CS1591 - -using System; -using System.Collections.Generic; -using System.Threading; -using Jellyfin.Extensions; -using Microsoft.Data.Sqlite; -using Microsoft.Extensions.Logging; - -namespace Emby.Server.Implementations.Data -{ - public abstract class BaseSqliteRepository : IDisposable - { - private bool _disposed = false; - private SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1); - private SqliteConnection _writeConnection; - - /// <summary> - /// Initializes a new instance of the <see cref="BaseSqliteRepository"/> class. - /// </summary> - /// <param name="logger">The logger.</param> - protected BaseSqliteRepository(ILogger<BaseSqliteRepository> logger) - { - Logger = logger; - } - - /// <summary> - /// Gets or sets the path to the DB file. - /// </summary> - protected string DbFilePath { get; set; } - - /// <summary> - /// Gets the logger. - /// </summary> - /// <value>The logger.</value> - protected ILogger<BaseSqliteRepository> Logger { get; } - - /// <summary> - /// Gets the cache size. - /// </summary> - /// <value>The cache size or null.</value> - protected virtual int? CacheSize => null; - - /// <summary> - /// Gets the locking mode. <see href="https://www.sqlite.org/pragma.html#pragma_locking_mode" />. - /// </summary> - protected virtual string LockingMode => "NORMAL"; - - /// <summary> - /// Gets the journal mode. <see href="https://www.sqlite.org/pragma.html#pragma_journal_mode" />. - /// </summary> - /// <value>The journal mode.</value> - protected virtual string JournalMode => "WAL"; - - /// <summary> - /// Gets the journal size limit. <see href="https://www.sqlite.org/pragma.html#pragma_journal_size_limit" />. - /// The default (-1) is overridden to prevent unconstrained WAL size, as reported by users. - /// </summary> - /// <value>The journal size limit.</value> - protected virtual int? JournalSizeLimit => 134_217_728; // 128MiB - - /// <summary> - /// Gets the page size. - /// </summary> - /// <value>The page size or null.</value> - protected virtual int? PageSize => null; - - /// <summary> - /// Gets the temp store mode. - /// </summary> - /// <value>The temp store mode.</value> - /// <see cref="TempStoreMode"/> - protected virtual TempStoreMode TempStore => TempStoreMode.Memory; - - /// <summary> - /// Gets the synchronous mode. - /// </summary> - /// <value>The synchronous mode or null.</value> - /// <see cref="SynchronousMode"/> - protected virtual SynchronousMode? Synchronous => SynchronousMode.Normal; - - public virtual void Initialize() - { - // Configuration and pragmas can affect VACUUM so it needs to be last. - using (var connection = GetConnection()) - { - connection.Execute("VACUUM"); - } - } - - protected ManagedConnection GetConnection(bool readOnly = false) - { - if (!readOnly) - { - _writeLock.Wait(); - if (_writeConnection is not null) - { - return new ManagedConnection(_writeConnection, _writeLock); - } - - var writeConnection = new SqliteConnection($"Filename={DbFilePath};Pooling=False"); - writeConnection.Open(); - - if (CacheSize.HasValue) - { - writeConnection.Execute("PRAGMA cache_size=" + CacheSize.Value); - } - - if (!string.IsNullOrWhiteSpace(LockingMode)) - { - writeConnection.Execute("PRAGMA locking_mode=" + LockingMode); - } - - if (!string.IsNullOrWhiteSpace(JournalMode)) - { - writeConnection.Execute("PRAGMA journal_mode=" + JournalMode); - } - - if (JournalSizeLimit.HasValue) - { - writeConnection.Execute("PRAGMA journal_size_limit=" + JournalSizeLimit.Value); - } - - if (Synchronous.HasValue) - { - writeConnection.Execute("PRAGMA synchronous=" + (int)Synchronous.Value); - } - - if (PageSize.HasValue) - { - writeConnection.Execute("PRAGMA page_size=" + PageSize.Value); - } - - writeConnection.Execute("PRAGMA temp_store=" + (int)TempStore); - - return new ManagedConnection(_writeConnection = writeConnection, _writeLock); - } - - var connection = new SqliteConnection($"Filename={DbFilePath};Mode=ReadOnly"); - connection.Open(); - - if (CacheSize.HasValue) - { - connection.Execute("PRAGMA cache_size=" + CacheSize.Value); - } - - if (!string.IsNullOrWhiteSpace(LockingMode)) - { - connection.Execute("PRAGMA locking_mode=" + LockingMode); - } - - if (!string.IsNullOrWhiteSpace(JournalMode)) - { - connection.Execute("PRAGMA journal_mode=" + JournalMode); - } - - if (JournalSizeLimit.HasValue) - { - connection.Execute("PRAGMA journal_size_limit=" + JournalSizeLimit.Value); - } - - if (Synchronous.HasValue) - { - connection.Execute("PRAGMA synchronous=" + (int)Synchronous.Value); - } - - if (PageSize.HasValue) - { - connection.Execute("PRAGMA page_size=" + PageSize.Value); - } - - connection.Execute("PRAGMA temp_store=" + (int)TempStore); - - return new ManagedConnection(connection, null); - } - - public SqliteCommand PrepareStatement(ManagedConnection connection, string sql) - { - var command = connection.CreateCommand(); - command.CommandText = sql; - return command; - } - - protected bool TableExists(ManagedConnection connection, string name) - { - using var statement = PrepareStatement(connection, "select DISTINCT tbl_name from sqlite_master"); - foreach (var row in statement.ExecuteQuery()) - { - if (string.Equals(name, row.GetString(0), StringComparison.OrdinalIgnoreCase)) - { - return true; - } - } - - return false; - } - - protected List<string> GetColumnNames(ManagedConnection connection, string table) - { - var columnNames = new List<string>(); - - foreach (var row in connection.Query("PRAGMA table_info(" + table + ")")) - { - if (row.TryGetString(1, out var columnName)) - { - columnNames.Add(columnName); - } - } - - return columnNames; - } - - protected void AddColumn(ManagedConnection connection, string table, string columnName, string type, List<string> existingColumnNames) - { - if (existingColumnNames.Contains(columnName, StringComparison.OrdinalIgnoreCase)) - { - return; - } - - connection.Execute("alter table " + table + " add column " + columnName + " " + type + " NULL"); - } - - protected void CheckDisposed() - { - ObjectDisposedException.ThrowIf(_disposed, this); - } - - /// <inheritdoc /> - public void Dispose() - { - Dispose(true); - GC.SuppressFinalize(this); - } - - /// <summary> - /// Releases unmanaged and - optionally - managed resources. - /// </summary> - /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param> - protected virtual void Dispose(bool dispose) - { - if (_disposed) - { - return; - } - - if (dispose) - { - _writeLock.Wait(); - try - { - _writeConnection.Dispose(); - } - finally - { - _writeLock.Release(); - } - - _writeLock.Dispose(); - } - - _writeConnection = null; - _writeLock = null; - - _disposed = true; - } - } -} |
