private static Task SyncConsume(List <SensorAcqResult> result, int index)
{
DacTaskResultConsumerQueue queue = Queues[index];
try
{
var resultCopy = ObjectHelper.DeepCopy(result); // 同步队列共享一个深拷贝副本
var t = new Task(
() =>
{
for (int i = 0; i < queue.Length; i++)
{
try
{
var consumer = queue[i];
if (consumer == null)
{
Log.ErrorFormat("queue[{0}]'s consumer is null ", i);
continue;
}
long started = DateTime.Now.Millisecond;
Log.DebugFormat(
"[Consumer] of P{0}: {1}-{2}, sensors={3}",
index,
i,
consumer.GetType(),
string.Join(",", result.Select(s => s.Sensor.SensorID).ToArray()));
consumer.ProcessResult(resultCopy);
Log.DebugFormat(
"[Consumer] {0} done in {1} ms.",
queue[i].GetType(),
DateTime.Now.Millisecond - started);
}
catch (Exception e)
{
Log.Error(string.Format("{0} exec error", queue[i].GetType()), e);
}
}
}, TaskCreationOptions.AttachedToParent);
t.Start();
return(t);
}
catch (Exception e)
{
Log.Error("consumer queue error", e);
return(null);
}
}
private static Task AsyncConsume(List <SensorAcqResult> result, int index)
{
DacTaskResultConsumerQueue queue = Queues[index];
var pt = new Task(
() =>
{
for (int i = 0; i < queue.Length; i++)
{
try
{
var consumer = queue[i];
if (consumer == null)
{
Log.ErrorFormat("queue[{0}]'s consumer is null ", i);
continue;
}
var resultCopy = ObjectHelper.DeepCopy(result); // 异步队列每个消费者一个深拷贝副本
var t = new Task(() => consumer.ProcessResult(resultCopy), TaskCreationOptions.AttachedToParent);
var number = index;
t.Start();
Log.DebugFormat("consumer:[{0}] start..", consumer.GetType());
t.ContinueWith(
task =>
{
if (task.Exception != null)
{
Log.ErrorFormat("queue:{0}-consumer:{1} exec error", number, consumer.GetType());
}
});
}
catch (Exception e)
{
Log.Error("consumer queue error", e);
}
}
}, TaskCreationOptions.AttachedToParent);
pt.Start();
return(pt);
}
public static void Init()
{
Consumers = new Dictionary <string, Type>();
Queues = new List <DacTaskResultConsumerQueue>();
if (System.IO.File.Exists(AppDomain.CurrentDomain.BaseDirectory + " \\consumers.xml"))
{
try
{
var doc = XDocument.Load(AppDomain.CurrentDomain.BaseDirectory + "\\consumers.xml");
// 注册消费者
var consumerNodes = doc.Root.Element("consumers").Elements();
foreach (var node in consumerNodes)
{
var consumerName = node.Attribute("name").Value;
var assembly = node.Attribute("assembly").Value;
var consumerType = node.Attribute("type").Value;
var type = Assembly.LoadFrom(AppDomain.CurrentDomain.BaseDirectory + "\\" + assembly).GetType(consumerType);
RegisterConsumer(consumerName, type);
}
// 解析消费队列
var queuesNodes = doc.Root.Element("queues").Elements("queue");
int num = 0;
foreach (var node in queuesNodes)
{
var consumeType = (node.Attribute("sync") == null || node.Attribute("sync").Value == "true")
? ConsumeType.Sync
: ConsumeType.Async;
var queue = new DacTaskResultConsumerQueue(consumeType);
var queueNodes = node.Elements();
var consumers = new List <string>();
foreach (var qn in queueNodes)
{
var name = qn.Attribute("name").Value;
var consumer = GetConsumer(name);
var sensorTypeFilter = qn.Attribute("sensorType");
if (sensorTypeFilter != null)
{
var filterStr = sensorTypeFilter.Value.Split(',');
List <SensorType> l = new List <SensorType>();
foreach (var s in filterStr)
{
SensorType st;
if (!Enum.TryParse(s.Trim(), true, out st))
{
Log.Warn("queue " + name + " sensorType invalid." + sensorTypeFilter);
break;
}
l.Add(st);
}
consumer.SensorTypeFilter = l.ToArray();
}
queue.Enqueue(consumer);
consumers.Add(name);
}
Queues.Add(queue);
Log.Debug("queue_" + ++num + ":" + string.Join(",", consumers));
}
}
catch (Exception e)
{
Log.Warn("consumer.xml parse error", e);
}
}
else
{
Log.Warn("consumer.xml not found");
}
}
/// <summary>
/// 添加消费者队列(各消费队列之间是并行的)
/// </summary>
/// <param name="queue"></param>
public static void AddComsumerQueue(DacTaskResultConsumerQueue queue)
{
Queues.Add(queue);
}
