/// <summary>
/// 停止消息监听
/// </summary>
public void StopMonitorKafkaMessage()
{
lock (_msgMonitorStateLock)
{
_msgMonitorState = MessageMonitorState.Closed;
BroadcastMessageMonitorState();
}
}
/// <summary>
/// 启动消息监听
/// </summary>
public void StartMonitorKafkaMessage(string sTopic)
{
try
{
lock (_msgMonitorStateLock)
{
if (_msgMonitorState != MessageMonitorState.Open)
{
_msgMonitorState = MessageMonitorState.Open;
BroadcastMessageMonitorState();
string[] args = new string[] { _conn, sTopic };
string brokerList = args[0];
var topics = args.Skip(1).ToList();
var config = new Dictionary <string, object> {
{ "group.id", "simple-csharp-consumer" },
{ "bootstrap.servers", brokerList }
};
using (var consumer = new Consumer <Null, string>(
config, null, new StringDeserializer(Encoding.UTF8)))
{
consumer.Assign(new List <TopicPartitionOffset> {
new TopicPartitionOffset(topics.First(), 0, 0)
});
while (_msgMonitorState == MessageMonitorState.Open)
{
Message <Null, string> msg;
if (consumer.Consume(out msg, TimeSpan.FromSeconds(1)))
{
BroadcastKafkaMessage(msg.Value);
LogHelper.WriteLog($"Topic: {msg.Topic} Partition: {msg.Partition} Offset: {msg.Offset} {msg.Value}");
}
}
}
}
}
}
catch (Exception e)
{
LogHelper.WriteLog(e.ToString());
}
}