public async Task <bool> StartConsuming(CancellationTokenSource cancellationTokenSource)
{
#region Thread to Get File details from DB and Process them
int TimerInterval = int.Parse(System.Configuration.ConfigurationManager.AppSettings["TimerInterval"]);
try
{
while (!cancellationTokenSource.IsCancellationRequested)
{
ProcessKafkaMessage.Process_StgKafkaData();
await Task.Delay(TimerInterval, cancellationTokenSource.Token);
}
}
catch (OperationCanceledException)
{
Console.WriteLine("Canceled!");
}
return(true);
#endregion Thread to Get File details from DB and Process them
}
public async Task <bool> StartPolling(CancellationTokenSource cancellationTokenSource)
{
//Creating local function to recall
int TimerInterval = int.Parse(System.Configuration.ConfigurationManager.AppSettings["TimerInterval"]);
try
{
Log("Start PollingData : " + DateTime.Now.ToString());
//PollingData();
Log("End PollingData");
Log("Process_StgKafkaData : Start Process Data : " + DateTime.Now.ToString());
int count = ProcessKafkaMessage.GetPollDataCount("PRODUCTACCO.PUB");
while (count > 0)
{
ProcessKafkaMessage.Process_StgKafkaData();
count = ProcessKafkaMessage.GetPollDataCount("PRODUCTACCO.PUB");
}
Log("Process_StgKafkaData : END Process Data : " + DateTime.Now.ToString());
if (count == 0)
{
Log("Start RePollingData : Start : " + DateTime.Now.ToString());
await Task.Delay(TimerInterval, cancellationTokenSource.Token);
StartPolling(cancellationTokenSource);
}
}
catch (Exception ex)
{
Log(ex.Message);
Log(ex.StackTrace);
}
//catch (OperationCanceledException)
//{
// Console.WriteLine("Canceled!");
//}
void PollingData()
{
var requestObject = new DC_M_masterattribute
{
MasterFor = "Kafka",
PageNo = 0,
PageSize = int.MaxValue
};
try
{
IList <DC_M_masterattribute> Kafka = Proxy.Post <IList <DC_M_masterattribute>, DC_M_masterattribute>(System.Configuration.ConfigurationManager.AppSettings["GetMasterAttributes"], requestObject).GetAwaiter().GetResult();
Log("Get Kafka variable Start");
IList <DC_M_masterattributevalue> KafkaVariables = new List <DC_M_masterattributevalue>();
if (Kafka != null)
{
Guid MasterAttribute_Id = Kafka.Where(w => w.Name == "KafkaVariables").Select(s => s.MasterAttribute_Id).FirstOrDefault();
KafkaVariables = Proxy.Get <IList <DC_M_masterattributevalue> >(string.Format(System.Configuration.ConfigurationManager.AppSettings["GetAllAttributeValuesByMasterId"].ToString(), MasterAttribute_Id.ToString(), int.MaxValue, 0)).GetAwaiter().GetResult();
}
Log("Get Kafka variable End");
var mode = "poll";
Dictionary <string, object> constructConfig = new Dictionary <string, object>();
var topics = new List <string>();
if (KafkaVariables != null)
{
Log("Construct config start");
KafkaVariables = KafkaVariables.Where(w => w.IsActive == "Y").ToList();
constructConfig.Add("group.id", KafkaVariables.Where(w => w.AttributeValue == "group.id").Select(s => s.OTA_CodeTableValue).FirstOrDefault());
//constructConfig.Add("group.id", "test101");
//constructConfig.Add("enable.auto.commit", true);
constructConfig.Add("enable.auto.commit", KafkaVariables.Where(w => w.AttributeValue == "enable.auto.commit").Select(s => s.OTA_CodeTableValue).FirstOrDefault());
constructConfig.Add("auto.commit.interval.ms", KafkaVariables.Where(w => w.AttributeValue == "auto.commit.interval.ms").Select(s => s.OTA_CodeTableValue).FirstOrDefault());
constructConfig.Add("statistics.interval.ms", KafkaVariables.Where(w => w.AttributeValue == "statistics.interval.ms").Select(s => s.OTA_CodeTableValue).FirstOrDefault());
//constructConfig.Add("bootstrap.servers", KafkaVariables.Where(w => w.AttributeValue == "bootstrap.servers").Select(s => s.OTA_CodeTableValue).FirstOrDefault());
var bootstrap = KafkaVariables.Where(w => w.AttributeValue.StartsWith("bootstrap.servers")).Select(s => s.OTA_CodeTableValue).ToList();
constructConfig.Add("bootstrap.servers", string.Join(",", bootstrap));
//constructConfig.Add("bootstrap.servers", "172.23.236.68:9092");
constructConfig.Add("default.topic.config", new Dictionary <string, object>()
{
{ "auto.offset.reset", KafkaVariables.Where(w => w.AttributeValue == "auto.offset.reset").Select(s => s.OTA_CodeTableValue).FirstOrDefault() }
//{ "auto.offset.reset", "smallest" }
});
topics = KafkaVariables.Where(w => w.AttributeValue.StartsWith("topic_acco")).Select(s => s.OTA_CodeTableValue).ToList();
//topics = new List<string>() { "MDM.PROD.PRODUCTACCO.PUB" };
Log("Construct config End");
}
switch (mode)
{
case "poll":
AdvancedConsumer.Run_Poll(constructConfig, topics, cancellationTokenSource);
break;
case "consume":
AdvancedConsumer.Run_Consume(constructConfig, topics, cancellationTokenSource);
break;
default:
AdvancedConsumer.PrintUsage();
break;
}
}
catch (Exception ex)
{
Log("Exception Occurs ");
Log(ex.ToString());
throw;
}
}
return(true);
}
