/// <summary>
/// 向服务端ACK
/// </summary>
/// <param name="server"></param>
/// <param name="timeout"></param>
/// <param name="chunk"></param>
/// <returns></returns>
public ChunkAck Ack(PhysicalServer server, int timeout, ConsumerAckChunk chunk)
{
Guard.ArgumentNotNull(server, "server");
Guard.ArgumentNotNull(chunk, "chunk");
Guard.ArgumentNotNullOrEmpty(server.ServerDomainName, "server.ServerDomainName");
Guard.ArgumentNotNullOrEmpty(server.ServerName, "server.ServerName");
MetricUtil.Set(new AckRequestCountMetric { ServerHostName = server.ServerName });
foreach (var ack in chunk.ConsumerAcks)
{
MetricUtil.Set(new AckMessageCountMetric { Consumer = ack.Uri });
}
ChunkAck chunkAck=null;
var watch = new Stopwatch();
DispatcherServiceWrapper.Client client=null;
try
{
client = Client.CreateDispatcherServiceClient(server.ServerDomainName, timeout);
watch.Start();
chunkAck = client.Ack(chunk);
return chunkAck;
}
catch {
if (client != null) client.Dispose();
throw;
}
finally
{
watch.Stop();
var milliseconds = watch.ElapsedMilliseconds;
MetricUtil.Set(new AckResponseCountMetric { ServerHostName = server.ServerName, Latency = milliseconds, StatusCode = chunkAck == null ? "0" : chunkAck.StatusCode.ToString() });
MetricUtil.Set(new AckResponseLatencyMetric { ServerHostName = server.ServerName }, milliseconds);
}
}
public AckingEventArgs(string uri, ConsumerAckChunk chunk)
{
Uri = uri;
AckChunk = chunk;
}
/// <summary>
/// Task ACK处理
/// </summary>
private void RunTaskAck(object obj)
{
var server = obj as PhysicalServer;
if (server == null) return;
ConcurrentQueue<CBox<Tuple<string, ConsumerAck>>> queue;
if (!Output.TryGetValue(server.ServerDomainName, out queue)) return;
var consumerAcks = new List<ConsumerAck>(queue.Count);
var list = new List<Tuple<string, ConsumerAck>>(queue.Count);
int size = 0;
while (size < Consts.Consumer_DefaultAckQueueBoundary)
{
size++;
CBox<Tuple<string, ConsumerAck>> cbox;
if (!queue.TryDequeue(out cbox)) break;
var consumerAck = cbox.Value;
consumerAcks.Add(consumerAck.Item2);
list.Add(consumerAck);
cbox.Value = null;
}
if (consumerAcks.Count < 1) return;
//if (queue.Count > 0)
//{
// System.Threading.ThreadPool.QueueUserWorkItem(RunTaskAck, server);
//}
for (int i = 0; i < 3; i++)
{
try
{
var chunk = new ConsumerAckChunk
{
ChunkID = Guid.NewGuid().ToString(),
ConsumerAcks = consumerAcks,
Timestamp = Time.ToTimestamp(),
ClientIP = Local.IPV4
};
var ack = _server.Ack(server, 0, chunk);
if (ack != null
&& (ack.StatusCode == StatusCode.OK
|| ack.StatusCode == StatusCode.Accepted))
{
#if DEBUG
foreach (var item in consumerAcks)
{
debugLog.Write(string.Format("ack->{0},server:{1}",item.MessageID,server.ServerName),item.Uri);
}
#endif
return;
}
}
catch (Exception ex)
{
MetricUtil.Set(new ExceptionCountMetric { HappenedWhere = ExceptionType.OnAck.ToString() });
Logg.Write(ex, LogLevel.Error, Consts.Consumer_Title_AckFail, new[]
{
new KeyValue{Key = "ServerDomainName",Value = server.ServerDomainName},
new KeyValue{Key = "ServerName",Value = server.ServerName},
new KeyValue{Key = "ServerIP",Value = server.ServerIP}
});
}
System.Threading.Thread.Sleep(Consts.Consumer_AckRetryIntervalTime);
}
}
