private static string GetProcessTypeOfChannel(string type)
{
var processTypeOfChannel = RedisServices.HashGet(_keyListChannelName, type);
if (string.IsNullOrEmpty(processTypeOfChannel))
{
processTypeOfChannel = ProcessType.Topic.ToString();
}
return(processTypeOfChannel);
}
public static ChannelInfo GetChannelInfo(string channelName)
{
var channelVal = RedisServices.HashGet(_keyListChannelName, channelName);
return(new ChannelInfo()
{
DataStructure = channelVal,
Name = channelName,
Subscribers = GetSubscribers(channelName),
PendingDataQueueLength = GetPendingDataQueueLength(channelName),
SuccessDataQueueLength = GetSuccessDataQueueLength(channelName),
ErrorDataQueueLength = GetErrorDataQueueLength(channelName)
});
}
private static Thread CreateNotifyWorker(string type)
{
return(new Thread(() =>
{
while (true)
{
try
{
string queueDataName = GetKeyQueueDataForChannel(type);
var processTypeOfChannel = RedisServices.HashGet(_keyListChannelName, type);
string channelSubscriber = GetKeySubscribersForChannel(type);
var subscribers = RedisServices.HashGetAll(channelSubscriber);
if (RedisServices.QueueHasValue(queueDataName))
{
ProcessType processType = GetProcessTypeByName(processTypeOfChannel);
if (processType == ProcessType.Topic)
{
string queueDataNameChannelSubscriber = GetKeyToRealPublishFromChannelToSubscriber(string.Empty, type, processTypeOfChannel);
//notify to parent, then parent will find subscribers to process same data
RedisServices.Publish(queueDataNameChannelSubscriber, processTypeOfChannel);
}
else
{
foreach (var subc in subscribers)
{
string queueDataNameChannelSubscriber = GetKeyToRealPublishFromChannelToSubscriber(subc.Key, type, processTypeOfChannel);
RedisServices.Publish(queueDataNameChannelSubscriber, processTypeOfChannel);
//notify to subscribers to dequeue data and process
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
finally
{
Thread.Sleep(100);
}
}
}));
}
/// <summary>
/// type = channel
/// </summary>
/// <param name="type"></param>
static void RegisterNotifyWorkerAndStart(string type)
{
var processTypeOfChannel = RedisServices.HashGet(_keyListChannelName, type);
var channelRegistered = type + "_" + processTypeOfChannel;
lock (_mapedHandleCounter)
{
int count;
if (_mapedHandleCounter.TryGetValue(channelRegistered, out count))
{
if (count > 0)
{
_mapedHandleCounter[channelRegistered] = 1;
// allow only one worker (thread dequeue data)
return;
}
////if allow more than one thread to dequeue
//List<Thread> listWorker;
//if (_mapedHandleWorkers.TryGetValue(type, out listWorker))
//{
// var nextWorker = CreateDequeuWorker(type);
// listWorker.Add(nextWorker);
// nextWorker.Start();
// _mapedHandleWorkers[type] = listWorker;
// _mapedHandleCounter[type] = count + 1;
//}
}
else
{
_mapedHandleCounter[channelRegistered] = 1;
var firstWorker = CreateNotifyWorker(type);
_mapedHandleWorkers[channelRegistered] = new List <Thread>()
{
firstWorker
};
//make sure alway have at less one worker to dequeue
firstWorker.Start();
}
}
}
