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tcs use RunContinuationsAsynchronously (much better)

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Wizou 2021-09-27 17:07:56 +02:00
parent 78a0a47c50
commit cb35ec3799
1 changed files with 10 additions and 10 deletions
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20
src/Client.cs
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@ -241,7 +241,7 @@ namespace WTelegram
lock (_pendingRequests) // abort all pending requests
{
foreach (var (_, tcs) in _pendingRequests.Values)
_ = Task.Run(() => tcs.SetException(ex), default);
tcs.SetException(ex);
_pendingRequests.Clear();
_bareRequest = 0;
}
@ -503,7 +503,7 @@ namespace WTelegram
result = reader.ReadTLValue(type);
if (type.IsEnum) result = Enum.ToObject(type, result);
Log(1, "");
Task.Run(() => tcs.SetResult(result)); // in Task.Run to avoid deadlock, see https://blog.stephencleary.com/2012/12/dont-block-in-asynchronous-code.html
tcs.SetResult(result);
}
else
{
@ -537,7 +537,7 @@ namespace WTelegram
{
if (_bareRequest != 0) throw new ApplicationException("A bare request is already undergoing");
var msgId = await SendAsync(request, false);
var tcs = new TaskCompletionSource<object>();
var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
lock (_pendingRequests)
_pendingRequests[msgId] = (typeof(X), tcs);
_bareRequest = msgId;
@ -548,7 +548,7 @@ namespace WTelegram
{
retry:
var msgId = await SendAsync(request, true);
var tcs = new TaskCompletionSource<object>();
var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
lock (_pendingRequests)
_pendingRequests[msgId] = (typeof(X), tcs);
var result = await tcs.Task;
@ -660,11 +660,11 @@ namespace WTelegram
case BadMsgNotification badMsgNotification:
{
Helpers.Log(4, $"BadMsgNotification {badMsgNotification.error_code} for msg #{(short)badMsgNotification.bad_msg_id.GetHashCode():X4}");
var (type, tcs) = PullPendingRequest(badMsgNotification.bad_msg_id);
var tcs = PullPendingRequest(badMsgNotification.bad_msg_id).tcs;
if (tcs != null)
{
if (_bareRequest == badMsgNotification.bad_msg_id) _bareRequest = 0;
_ = Task.Run(() => tcs.SetException(new ApplicationException($"BadMsgNotification {badMsgNotification.error_code}")));
tcs.SetException(new ApplicationException($"BadMsgNotification {badMsgNotification.error_code}"));
}
else
OnUpdate(obj);
@ -677,7 +677,7 @@ namespace WTelegram
if (type?.IsAssignableFrom(obj.GetType()) == true)
{
_bareRequest = 0;
_ = Task.Run(() => tcs.SetResult(obj));
tcs.SetResult(obj);
break;
}
}
@ -687,9 +687,9 @@ namespace WTelegram
void SetResult(long msgId, object result)
{
var (type, tcs) = PullPendingRequest(msgId);
var tcs = PullPendingRequest(msgId).tcs;
if (tcs != null)
_ = Task.Run(() => tcs.SetResult(result));
tcs.SetResult(result);
else
OnUpdate(obj);
}
@ -924,7 +924,7 @@ namespace WTelegram
return await DownloadFileAsync(fileLocation, outputStream, photo.dc_id);
}
/// <summary>Download given photo from Telegram into the outputStream</summary>
/// <summary>Download given document from Telegram into the outputStream</summary>
/// <param name="outputStream">stream to write to. This method does not close/dispose the stream</param>
/// <param name="thumbSize">if specified, will download the given thumbnail instead of the full document</param>
/// <returns>MIME type of the document or thumbnail</returns>