/// <summary>
/// 任务状态变换
/// </summary>
/// <param name="task"></param>
private void OnStatusChanged(Aria2cTask task)
{
switch (task.Status)
{
case Aria2cTaskStatus.Active:
OnUnPause?.Invoke(this, new Aria2cTaskEvent(task));
break;
case Aria2cTaskStatus.Complete:
{
OnFinish?.Invoke(this, new Aria2cTaskEvent(task));
RemoveDownTask(task.Gid);
if (CountDownTask() == 0)
{
OnAllFinish?.Invoke(this, new EventArgs());
}
}
break;
case Aria2cTaskStatus.Error:
OnError?.Invoke(this, new Aria2cTaskEvent(task));
break;
case Aria2cTaskStatus.Paused:
OnPaused?.Invoke(this, new Aria2cTaskEvent(task));
break;
case Aria2cTaskStatus.Removed:
OnRemoved?.Invoke(this, new Aria2cEvent(task.Gid));
downLoadDict.Remove(task.Gid);
break;
case Aria2cTaskStatus.Waiting:
OnWaiting?.Invoke(this, new Aria2cTaskEvent(task));
break;
default:
break;
}
}
/// <summary>
/// 全局状态
/// </summary>
private async void GetGlobalStatus(Aria2cGlobalStat status)
{
try
{
if (status == null && isCycle)
{
status = this.GetGlobalStat();
}
if (status == null)
{
return;
}
if (globalStat.DownloadSpeed != status.DownloadSpeed || globalStat.UploadSpeed != status.UploadSpeed || globalStat.NumActive != status.NumActive ||
globalStat.NumWaiting != status.NumWaiting || globalStat.NumStopped != status.NumStopped || globalStat.NumStoppedTotal != status.NumStoppedTotal)
{
OnGlobalStatusChanged?.Invoke(this, new Aria2cGlobalStatEvent(status));
globalStat = status;
}
if (status.NumActive == 0L && status.NumWaiting == 0L && status.DownloadSpeed == 0L && isCycle)
{
await Task.Delay(Convert.ToInt32(this.dInterval * 3)); //等待3秒后，再做判断，避免刚添加完任务的瞬间，误判定为全部结束
status = this.GetGlobalStat(); //获取最新status
//timerTMP == null是一个flag，表明OnAllFinish没有触发过
if (status.NumActive == 0L && status.NumWaiting == 0L && status.DownloadSpeed == 0L && !IsLoading && timerTMP == null)
{
OnAllFinish?.Invoke(this, new Aria2cGlobalStatEvent(status));
StartTmpTimer();
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
/// <summary>
/// 全局状态
/// </summary>
private void GetGlobalStatus(Aria2cGlobalStat status)
{
try
{
if (status == null && !IsPauseAll)
{
status = this.GetGlobalStat();
}
if (status == null)
{
return;
}
if (globalStat.DownloadSpeed != status.DownloadSpeed || globalStat.UploadSpeed != status.UploadSpeed || globalStat.NumActive != status.NumActive ||
globalStat.NumWaiting != status.NumWaiting || globalStat.NumStopped != status.NumStopped || globalStat.NumStoppedTotal != status.NumStoppedTotal)
{
OnGlobalStatusChanged?.Invoke(this, new Aria2cGlobalStatEvent(status));
globalStat = status;
}
if (status.NumActive == 0 && status.NumWaiting == 0 && status.DownloadSpeed == 0 && !IsPauseAll)
{
OnAllFinish?.Invoke(this, new Aria2cGlobalStatEvent(status));
if (timerTMP == null)
{
timerTMP = new Timer(10000);//10s后执行（等待其他如GlobalStatus），改变“暂停”变量，减少计时器轮询操作
timerTMP.Elapsed += new ElapsedEventHandler(SetPauseAll);
timerTMP.AutoReset = false;
timerTMP.Start();
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}