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Merge pull request #141 from nathan-datusarator/master

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Add checks for Disposed
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Jan Korf 2022-05-22 11:41:55 +02:00 committed by GitHub
commit 8fe00693bd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 16 deletions
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44
CryptoExchange.Net/OrderBook/SymbolOrderBook.cs
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@ -258,24 +258,32 @@ namespace CryptoExchange.Net.OrderBook
} }
_subscription = startResult.Data; _subscription = startResult.Data;
_subscription.ConnectionLost += () => _subscription.ConnectionLost += HandleConnectionLost;
{ _subscription.ConnectionClosed += HandleConnectionClosed;
log.Write(LogLevel.Warning, $"{Id} order book {Symbol} connection lost"); _subscription.ConnectionRestored += HandleConnectionRestored;
Status = OrderBookStatus.Reconnecting;
Reset();
};
_subscription.ConnectionClosed += () =>
{
log.Write(LogLevel.Warning, $"{Id} order book {Symbol} disconnected");
Status = OrderBookStatus.Disconnected;
_ = StopAsync();
};
_subscription.ConnectionRestored += async time => await ResyncAsync().ConfigureAwait(false);
Status = OrderBookStatus.Synced; Status = OrderBookStatus.Synced;
return new CallResult<bool>(true); return new CallResult<bool>(true);
} }
private void HandleConnectionLost() {
log.Write(LogLevel.Warning, $"{Id} order book {Symbol} connection lost");
if (Status != OrderBookStatus.Disposed) {
Status = OrderBookStatus.Reconnecting;
Reset();
}
}
private void HandleConnectionClosed() {
log.Write(LogLevel.Warning, $"{Id} order book {Symbol} disconnected");
Status = OrderBookStatus.Disconnected;
_ = StopAsync();
}
private async void HandleConnectionRestored(TimeSpan _) {
await ResyncAsync().ConfigureAwait(false);
}
/// <inheritdoc/> /// <inheritdoc/>
public async Task StopAsync() public async Task StopAsync()
{ {
@ -286,8 +294,12 @@ namespace CryptoExchange.Net.OrderBook
if (_processTask != null) if (_processTask != null)
await _processTask.ConfigureAwait(false); await _processTask.ConfigureAwait(false);
if (_subscription != null) if (_subscription != null) {
await _subscription.CloseAsync().ConfigureAwait(false); await _subscription.CloseAsync().ConfigureAwait(false);
_subscription.ConnectionLost -= HandleConnectionLost;
_subscription.ConnectionClosed -= HandleConnectionClosed;
_subscription.ConnectionRestored -= HandleConnectionRestored;
}
log.Write(LogLevel.Trace, $"{Id} order book {Symbol} stopped"); log.Write(LogLevel.Trace, $"{Id} order book {Symbol} stopped");
} }
@ -601,13 +613,13 @@ namespace CryptoExchange.Net.OrderBook
private async Task ProcessQueue() private async Task ProcessQueue()
{ {
while (Status != OrderBookStatus.Disconnected) while (Status != OrderBookStatus.Disconnected && Status != OrderBookStatus.Disposed)
{ {
await _queueEvent.WaitAsync().ConfigureAwait(false); await _queueEvent.WaitAsync().ConfigureAwait(false);
while (_processQueue.TryDequeue(out var item)) while (_processQueue.TryDequeue(out var item))
{ {
if (Status == OrderBookStatus.Disconnected) if (Status == OrderBookStatus.Disconnected || Status == OrderBookStatus.Disposed)
break; break;
if (_stopProcessing) if (_stopProcessing)