private void StartConsumeMessages()
{
var canStart = !string.IsNullOrEmpty(ZookeeperHostServer) &&
!string.IsNullOrEmpty(KafkaHostServer) &&
TopicItems.Any() &&
!string.IsNullOrEmpty(SelectedTopic);
if (!canStart)
{
MessageBox.Show("Can't start consumer, please check zookeeper host, kafka host and selected topic!");
return;
}
ReceivedMessages.Clear();
Tables.Clear();
_cancelConsume = new CancellationTokenSource();
CurrentStatus = $"Consuming messages from topic:{SelectedTopic} ...";
DEKafkaMessageViewer.Common.KafkaConsumer consumer = new Common.KafkaConsumer();
var groupId = Guid.NewGuid().ToString();
consumer.ConsumeAsync(KafkaHostServer, SelectedTopic, groupId, _cancelConsume, (resultMsg) =>
{
var msgBody = resultMsg.Message;
EnableStop = true;
OnMessageConsumed(msgBody);
});
}
/// <summary>
/// Receive the current messages from the Twilio sms gateway
/// </summary>
/// <returns></returns>
public Task <IEnumerable <SmsMessage> > ReceiveMessages()
{
List <SmsMessage> results = new List <SmsMessage>();
results.AddRange(ReceivedMessages);
ReceivedMessages.Clear();
return(Task.FromResult(results as IEnumerable <SmsMessage>));
}
/// <summary>
/// Reads Xml from given stream and retrieves incoming messages or delivery reports
/// within the XML document. The Messages or DeliveryReport are stored in the IncomingMessages
/// or DeliveryReports collection.
/// </summary>
/// <param name="inStream"></param>
/// <param name="outStream"></param>
public void HandleIncomingMessages(Stream inStream, Stream outStream)
{
ReceivedMessages.Clear();
DeliveryReports.Clear();
XmlDocument docRequest = new XmlDocument();
XmlLocalResolver res = new XmlLocalResolver();
XmlEmbeddedResourceResolver res2 = new XmlEmbeddedResourceResolver();
docRequest.XmlResolver = res2;
docRequest.Load(inStream);
XmlDocument docResponse = CheckRequest(docRequest);
string sResponse = "<?xml version=\"1.0\"?>\n" + docResponse.OuterXml;
StreamWriter sw = new StreamWriter(outStream, System.Text.Encoding.GetEncoding("ISO-8859-1"));
sw.Write(sResponse);
sw.Flush();
outStream.Flush();
}
private void btnClearReceivedMessages_Click(object sender, RoutedEventArgs e) => receivedMessages.Clear();
/// <summary>
/// Clears the log of received messages.
/// </summary>
private void ClearLog()
{
ReceivedMessages.Clear();
}
