public async Task RunAsync(CancellationToken cancellationToken)
{
IReliableConcurrentQueue <DependencyUpdateItem> queue =
await StateManager.GetOrAddAsync <IReliableConcurrentQueue <DependencyUpdateItem> >("queue");
while (!cancellationToken.IsCancellationRequested)
{
try
{
using (ITransaction tx = StateManager.CreateTransaction())
{
ConditionalValue <DependencyUpdateItem> maybeItem = await queue.TryDequeueAsync(
tx,
cancellationToken);
if (maybeItem.HasValue)
{
DependencyUpdateItem item = maybeItem.Value;
using (Logger.BeginScope(
"Processing dependency update for build {buildId} in channel {channelId}",
item.BuildId,
item.ChannelId))
{
await UpdateDependenciesAsync(item.BuildId, item.ChannelId);
}
}
await tx.CommitAsync();
}
await Task.Delay(1000, cancellationToken);
}
catch (TaskCanceledException tcex) when(tcex.CancellationToken == cancellationToken)
{
// ignore
}
catch (Exception ex)
{
Logger.LogError(ex, "Processing queue messages");
}
}
}
public async Task <TimeSpan> RunAsync(CancellationToken cancellationToken)
{
IReliableConcurrentQueue <DependencyUpdateItem> queue =
await StateManager.GetOrAddAsync <IReliableConcurrentQueue <DependencyUpdateItem> >("queue");
try
{
using (ITransaction tx = StateManager.CreateTransaction())
{
ConditionalValue <DependencyUpdateItem> maybeItem = await queue.TryDequeueAsync(
tx,
cancellationToken);
if (maybeItem.HasValue)
{
DependencyUpdateItem item = maybeItem.Value;
using (Logger.BeginScope(
"Processing dependency update for build {buildId} in channel {channelId}",
item.BuildId,
item.ChannelId))
{
await UpdateDependenciesAsync(item.BuildId, item.ChannelId);
}
}
await tx.CommitAsync();
}
}
catch (TaskCanceledException tcex) when(tcex.CancellationToken == cancellationToken)
{
return(TimeSpan.MaxValue);
}
catch (Exception ex)
{
Logger.LogError(ex, "Processing queue messages");
}
return(TimeSpan.FromSeconds(1));
}