Timeline commands

This commit is contained in:
2022-02-07 13:03:01 +01:00
parent 7489e0eb1c
commit b6d57869b1
9 changed files with 221 additions and 60 deletions

View File

@@ -1,6 +1,7 @@
using AsyncEvent;
using FileTime.Core.Command;
using FileTime.Core.Models;
using Microsoft.Extensions.Logging;
namespace FileTime.Core.Timeline
{
@@ -9,10 +10,11 @@ namespace FileTime.Core.Timeline
private readonly CommandExecutor _commandExecutor;
private readonly List<ParallelCommands> _commandsToRun = new();
private readonly object _guard = new();
private readonly ILogger<TimeRunner> _logger;
private bool _resourceIsInUse;
private readonly List<Thread> _commandRunners = new();
private bool _enableRunning; //= true;
private readonly List<CommandRunner> _commandRunners = new();
private bool _enableRunning = true;
private IReadOnlyList<ReadOnlyParallelCommands> _parallelCommands = new List<ReadOnlyParallelCommands>();
@@ -41,14 +43,15 @@ namespace FileTime.Core.Timeline
public AsyncEventHandler<AbsolutePath> RefreshContainer { get; } = new AsyncEventHandler<AbsolutePath>();
public AsyncEventHandler CommandsChangedAsync { get; } = new();
public AsyncEventHandler<IReadOnlyList<ReadOnlyParallelCommands>> CommandsChangedAsync { get; } = new();
public TimeRunner(CommandExecutor commandExecutor)
public TimeRunner(CommandExecutor commandExecutor, ILogger<TimeRunner> logger)
{
_commandExecutor = commandExecutor;
_logger = logger;
}
public async Task AddCommand(ICommand command, ParallelCommands? batch = null, bool toNewBatch = false)
public async Task AddCommand(ICommand command, int? batchId = null, bool toNewBatch = false)
{
await RunWithLockAsync(async () =>
{
@@ -64,9 +67,9 @@ namespace FileTime.Core.Timeline
batchToAdd = new ParallelCommands(_commandsToRun.Last().Result);
_commandsToRun.Add(batchToAdd);
}
else if (batch != null && _commandsToRun.Contains(batch))
else if (batchId != null && _commandsToRun.Find(b => b.Id == batchId) is ParallelCommands parallelCommands)
{
batchToAdd = batch;
batchToAdd = parallelCommands;
}
else
{
@@ -80,20 +83,14 @@ namespace FileTime.Core.Timeline
{
StartCommandRunner();
}
});
await UpdateReadOnlyCommands();
await UpdateReadOnlyCommands();
});
}
public async Task TryStartCommandRunner()
{
await RunWithLockAsync(() =>
{
if (_commandRunners.Count == 0 && _commandsToRun.Count > 0)
{
StartCommandRunner();
}
});
await RunWithLockAsync(() => StartCommandRunner());
}
private void StartCommandRunner()
@@ -112,9 +109,15 @@ namespace FileTime.Core.Timeline
{
foreach (var command in _commandsToRun[0].Commands)
{
if (command.CanRun == CanCommandRun.True || (command.CanRun == CanCommandRun.Forceable && command.ForceRun))
if (_commandRunners.Find(r => r.Command == command) != null)
{
continue;
}
else if (command.CanRun == CanCommandRun.True || (command.CanRun == CanCommandRun.Forceable && command.ForceRun))
{
_logger.LogDebug("Starting command: {0}", command.Command.DisplayLabel);
var thread = new Thread(new ParameterizedThreadStart(RunCommand));
_commandRunners.Add(new CommandRunner(thread, command));
thread.Start(command);
}
else
@@ -144,28 +147,33 @@ namespace FileTime.Core.Timeline
private async Task DisposeCommandThread(Thread thread, CommandTimeState? command)
{
await RunWithLockAsync(() =>
await RunWithLockAsync(async () =>
{
if (command != null)
{
_logger.LogDebug("Command finished running: {0}", command.Command.DisplayLabel);
_commandsToRun[0].Remove(command);
if (_commandsToRun[0].Commands.Count == 0)
{
_logger.LogDebug("Removing empty command array. {0} batch left.", _commandsToRun.Count - 1);
_commandsToRun.RemoveAt(0);
}
}
_commandRunners.Remove(thread);
var currentCommandRunner = _commandRunners.Find(r => r.Thread == thread);
if (currentCommandRunner != null) _commandRunners.Remove(currentCommandRunner);
await UpdateReadOnlyCommands();
StartCommandRunner();
});
await UpdateReadOnlyCommands();
await TryStartCommandRunner();
}
public async Task Refresh()
{
await RunWithLockAsync(async () => await RefreshCommands(PointInTime.CreateEmpty()));
await UpdateReadOnlyCommands();
await RunWithLockAsync(async () =>
{
await RefreshCommands(PointInTime.CreateEmpty());
await UpdateReadOnlyCommands();
});
}
private async Task RefreshCommands(PointInTime? fullStartTime = null)
@@ -181,11 +189,10 @@ namespace FileTime.Core.Timeline
private async Task UpdateReadOnlyCommands()
{
var wait = false;
await RunWithLockAsync(() => wait = _commandsToRun.Count == 1);
var wait = _commandsToRun.Count == 1;
if (wait) await Task.Delay(100);
await RunWithLockAsync(() => _parallelCommands = _commandsToRun.ConvertAll(c => new ReadOnlyParallelCommands(c)).AsReadOnly());
await CommandsChangedAsync.InvokeAsync(this, AsyncEventArgs.Empty);
_parallelCommands = _commandsToRun.ConvertAll(c => new ReadOnlyParallelCommands(c)).AsReadOnly();
await CommandsChangedAsync.InvokeAsync(this, _parallelCommands);
}
private async Task RunWithLockAsync(Action action)