public async Task Starter(int maxConcurrency, TimeSpan retry, CancellationToken cancellationToken)
{
taskQueue = new TaskQueue(maxConcurrency);
while (!cancellationToken.IsCancellationRequested)
{
try
{
//concurrencyLimiter = new SemaphoreSlim(maxConcurrency);
//runningReceiveTasks = new ConcurrentDictionary<Task, Task>();
sqlConnectionFactory = SqlConnectionFactory.Default(host.ConnectionString);
await Processor(cancellationToken).ConfigureAwait(false);
//await Task.WhenAll(runningReceiveTasks.Values).ConfigureAwait(false);
Trace.TraceInformation($"{host.Name} wait {retry}");
await Task.Delay(retry, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
// For graceful shutdown purposes
}
catch (SqlException e) when(cancellationToken.IsCancellationRequested)
{
Trace.TraceError("Exception thrown during cancellation", e);
}
catch (SqlException e) when(e.Number == -1)
{
//Trace.TraceError($"Sql connection failed, retry {retry}");
await Task.Delay(retry, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
Trace.TraceError($"Sql connector failed => {ex.Message}", ex);
}
finally
{
//concurrencyLimiter.Dispose();
}
}
}
async static Task AsyncMain(IServiceProvider serviceProvider)
{
var mp = serviceProvider.GetService <MessagePump>();
await mp.Init(
SqlConnectionFactory.Default("Data Source=localhost,1401;Initial Catalog=TestDB;User Id=sa;Password=tbmX1821;Connection Timeout=10;"),
new TableBasedQueue("dbo", "CTQueue_Test", new[] { "RowVersion" }),
context =>
{
var rowVersion = context.Message.Body.RowVersion;
return(Task.FromResult(0));
},
error => Task.FromResult(ErrorHandleResult.RetryRequired)
);
mp.Start();
Console.ReadLine();
await mp.Stop();
//svc.Init().Start(Environment.ProcessorCount, TimeSpan.FromSeconds(10));
//Console.ReadLine();
//await svc.Stop();
}
public TableQueue(string name, string tableName, string connection)
{
this.Name = name;
this.tableName = tableName;
this.connectionFactory = SqlConnectionFactory.Default(connection);
}
public MessageReceiveWithNoTransaction(SqlConnectionFactory connectionFactory)
{
this.connectionFactory = connectionFactory;
}
