private async void SubscribeToMessages(SubscribeRequest subscribeRequest, string clientDisplayName)
{
Metadata metadata = null;
if (string.IsNullOrWhiteSpace(clientDisplayName))
{
metadata = new Metadata {
{ "client_tag", clientDisplayName }
};
}
using (var call = GetWarpGrpcClient().SubscribeToChannel(subscribeRequest, metadata))
{
// Wait for message..
while (await call.ResponseStream.MoveNext())
{
// Recived a message
InnerMessage message = call.ResponseStream.Current;
// add message to queue
_RecivedMessages.Post(message);
LogIncomingMessage(message);
}
}
}
private void LogIncomingMessage(InnerMessage message)
{
//object objBody = Converter.FromByteArray(message.Body.ToByteArray());
string objBody = "";
logger.LogInformation($"Subscriber Recived Message: Metadata:'{message.Metadata}', Channel:'{message.Channel}', Body:'{objBody}'");
}
public async void SubscribeToMessages(HandleMessageDelegate handler, string Channel, string Group = "", string clientDisplayName = "")
{
try
{
SubscribeToMessages(new SubscribeRequest()
{
Channel = Channel, Group = Group
}, clientDisplayName);
// send messages to end-user
while (true)
{
// await for message from queue
InnerMessage innerMessage = await _RecivedMessages.ReceiveAsync();
LogIncomingMessage(innerMessage);
// Convert KubeMQ.Grpc.Message to outter Message
Message message = new Message(innerMessage);
// Activate end-user message handler Delegate
handler(message);
}
}
catch (Exception ex)
{
logger.LogError(ex, "Exception in SubscribeToMessages");
}
}
