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Final fixes

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This commit is contained in:
Bond-009
2019-04-02 22:15:18 +02:00
committed by Bond_009
parent b6954f3bfd
commit e88ebd748d
5 changed files with 47 additions and 54 deletions
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44
Emby.Server.Implementations/Data/BaseSqliteRepository.cs
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@@ -3,7 +3,6 @@ using System.Collections.Generic;
using System.Linq;
using System.Threading;
using Microsoft.Extensions.Logging;
using SQLitePCL;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
@@ -23,23 +22,23 @@ namespace Emby.Server.Implementations.Data
protected TransactionMode ReadTransactionMode => TransactionMode.Deferred;
protected virtual ConnectionFlags DefaultConnectionFlags => ConnectionFlags.SharedCached | ConnectionFlags.NoMutex;
protected virtual ConnectionFlags DefaultConnectionFlags => ConnectionFlags.NoMutex;
private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
protected SemaphoreSlim WriteLock = new SemaphoreSlim(1, 1);
private SQLiteDatabaseConnection _writeConnection;
protected SQLiteDatabaseConnection WriteConnection;
private string _defaultWal;
protected ManagedConnection GetConnection(bool _ = false)
{
_writeLock.Wait();
if (_writeConnection != null)
WriteLock.Wait();
if (WriteConnection != null)
{
return new ManagedConnection(_writeConnection, _writeLock);
return new ManagedConnection(WriteConnection, WriteLock);
}
_writeConnection = SQLite3.Open(
WriteConnection = SQLite3.Open(
DbFilePath,
DefaultConnectionFlags | ConnectionFlags.Create | ConnectionFlags.ReadWrite,
null);
@@ -47,38 +46,29 @@ namespace Emby.Server.Implementations.Data
if (string.IsNullOrWhiteSpace(_defaultWal))
{
_defaultWal = _writeConnection.Query("PRAGMA journal_mode").SelectScalarString().First();
_defaultWal = WriteConnection.Query("PRAGMA journal_mode").SelectScalarString().First();
Logger.LogInformation("Default journal_mode for {0} is {1}", DbFilePath, _defaultWal);
}
if (EnableTempStoreMemory)
{
_writeConnection.Execute("PRAGMA temp_store = memory");
WriteConnection.Execute("PRAGMA temp_store = memory");
}
else
{
_writeConnection.Execute("PRAGMA temp_store = file");
WriteConnection.Execute("PRAGMA temp_store = file");
}
return new ManagedConnection(_writeConnection, _writeLock);
return new ManagedConnection(WriteConnection, WriteLock);
}
public IStatement PrepareStatement(ManagedConnection connection, string sql)
=> connection.PrepareStatement(sql);
public IStatement PrepareStatementSafe(ManagedConnection connection, string sql)
=> connection.PrepareStatement(sql);
public IStatement PrepareStatement(IDatabaseConnection connection, string sql)
=> connection.PrepareStatement(sql);
public IStatement PrepareStatementSafe(IDatabaseConnection connection, string sql)
=> connection.PrepareStatement(sql);
public IEnumerable<IStatement> PrepareAll(IDatabaseConnection connection, IEnumerable<string> sql)
=> PrepareAllSafe(connection, sql);
public IEnumerable<IStatement> PrepareAllSafe(IDatabaseConnection connection, IEnumerable<string> sql)
=> sql.Select(connection.PrepareStatement);
@@ -145,6 +135,7 @@ namespace Emby.Server.Implementations.Data
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
private readonly object _disposeLock = new object();
@@ -162,20 +153,21 @@ namespace Emby.Server.Implementations.Data
if (dispose)
{
_writeLock.Wait();
WriteLock.Wait();
try
{
_writeConnection.Dispose();
WriteConnection.Dispose();
}
finally
{
_writeLock.Release();
WriteLock.Release();
}
_writeLock.Dispose();
WriteLock.Dispose();
}
_writeConnection = null;
WriteConnection = null;
WriteLock = null;
_disposed = true;
}