/// <summary>
/// 全局状态
/// </summary>
private void GetGlobalStatus()
{
try
{
Aria2cGlobalStat 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;
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
/// <summary>
/// 获取全局下载状态
/// </summary>
/// <param name="globalStat">设置信息</param>
/// <returns>成功返回全局下载状态， 失败返回空</returns>
public static Aria2cGlobalStat GetGlobalStat()
{
XmlRpcStruct xmlstruct = aria2c.GetGlobalStat(Aria2cRpcSecret);
Aria2cGlobalStat globalStat = new Aria2cGlobalStat(xmlstruct);
return(globalStat);
}
public Aria2c()
{
objlock = new object();
globalStat = new Aria2cGlobalStat();
downLoadDict = new Dictionary <string, Aria2cTask>();
StartTimer();
}
public Aria2c()
{
objlock = new object();
globalStat = new Aria2cGlobalStat();
downLoadDict = new Dictionary <string, Aria2cTask>();
pauseAll = false;
stoppedStatus = new List <Aria2cTaskStatus>();
stoppedStatus.AddRange(new Aria2cTaskStatus[] { Aria2cTaskStatus.Complete, /*Aria2cTaskStatus.Error,可能需要恢复下载，不移除*/ Aria2cTaskStatus.Removed });
StartTimer();
}
public Aria2c(double dCycleInterval)
{
objlock = new object();
globalStat = new Aria2cGlobalStat();
downLoadDict = new Dictionary <string, Aria2cTask>();
pauseAll = false;
stoppedStatus = new List <Aria2cTaskStatus>();
stoppedStatus.AddRange(new Aria2cTaskStatus[] { Aria2cTaskStatus.Complete, /*Aria2cTaskStatus.Error,可能需要恢复下载，不移除*/ Aria2cTaskStatus.Removed });
dInterval = dCycleInterval;
StartTimer();
isCycle = true;
gidAndTorrentOrMeta4Map = new Dictionary <string, string>();
}
/// <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);
}
}
public Aria2cGlobalStatEvent(Aria2cGlobalStat stat)
{
Stat = stat;
}
/// <summary>
/// 获取任务状态信息
/// </summary>
private Aria2cGlobalStat GetTaskStatus()
{
try
{
if (IsPauseAll || CountDownTask() == 0)
{
return(null);
}
//复制key
List <string> keyList = new List <string>();
foreach (var key in downLoadDict.Keys)
{
keyList.Add(key);
}
int iDownloadingCount = 0, iTaskCount = 0;
//int iMaxCount = maxConcurrentDowns.Value; //不再限定最大轮询数量，可能造成任务状态更新丢失
//if (iMaxCount <= 5) { iMaxCount *= 5; }
//else if (iMaxCount <= 20) { iMaxCount *= 3; }
//else if (iMaxCount <= 40) { iMaxCount *= 2; }
//else { iMaxCount += 16; }
Aria2cGlobalStat status = null;
//遍历查询状态
for (int i = 0; i < keyList.Count; i++)
{
iTaskCount++;
try
{
Aria2cTask task = TellStatus(keyList[i]);
if (task == null)//当一个任务出问题,则本次循环就放弃掉.例如被杀掉进程后,要是还循环获取状态,是始终拿不到状态的.
{
break;
}
/*优化逻辑，注释掉
* if (task.Status == Aria2cTaskStatus.Paused)
* //当一个任务出现暂停，说明全部任务都是暂停状态，停止轮询（× web ui可以单任务暂停）
* break;
*/
if (task.Status == Aria2cTaskStatus.Active)
{
OnLoading?.Invoke(this, new Aria2cTaskEvent(task));
iDownloadingCount++;
if (iDownloadingCount == maxConcurrentDowns.Value)//下载数统计达到最大下载数，后续任务都是waiting，已完成的已遍历过，跳过等待任务
{
status = this.GetGlobalStat();
if (status != null)
{
i += (int)status.NumWaiting;
}
}
}
else if (task.Status == Aria2cTaskStatus.Waiting)
{
continue;
}
if (downLoadDict[task.Gid].Status != task.Status)
{
OnStatusChanged(task);
}
if (stoppedStatus.Contains(task.Status))
{
if (downLoadDict.ContainsKey(task.Gid))
{
RemoveDownTask(task.Gid);
}
}
else
{
UpdateDownTask(task);
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
//if (iTaskCount >= iMaxCount) //不再限定最大轮询数量，可能造成任务状态更新丢失
// break;
}
return(status);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(null);
}
}
