bool HandlePublishEvent <TEvent>(
NetworkStream stream,
TEvent @event,
PapercutIPCommCommandType protocolCommandType) where TEvent : IEvent
{
string response = stream.ReadStringBuffered().Trim();
if (response != AppConstants.ApplicationName.ToUpper())
{
return(false);
}
var eventJson = PapercutIPCommSerializer.ToJson(@event);
stream.WriteLine(PapercutIPCommSerializer.ToJson(
new PapercutIPCommRequest()
{
CommandType = protocolCommandType,
Type = @event.GetType(),
ByteSize = Encoding.UTF8.GetBytes(eventJson).Length
}));
response = stream.ReadStringBuffered().Trim();
if (response == "ACK")
{
stream.WriteStr(eventJson);
}
return(true);
}
protected override async Task ProcessRequest(
string incomingRequest,
CancellationToken token = default)
{
try
{
var request = incomingRequest.FromJson <PapercutIPCommRequest>();
this.Logger.Verbose("Incoming Request Received {@Request}", request);
await this.Connection.SendAsync("ACK");
if (request.CommandType.IsAny(
PapercutIPCommCommandType.Publish,
PapercutIPCommCommandType.Exchange))
{
var remoteObjectBuffer = await this.Connection.ReceiveDataAsync();
var remoteEvent = PapercutIPCommSerializer.FromJson(
request.Type,
Encoding.UTF8.GetString(remoteObjectBuffer));
this.Logger.Information(
"Publishing Event Received {@Event} from Remote",
remoteEvent);
await this._messageBus.PublishObjectAsync(
remoteEvent,
request.Type,
token : token);
if (request.CommandType == PapercutIPCommCommandType.Exchange)
{
// send response back...
this.Logger.Information(
"Exchanging Event {@Event} -- Pushing to Remote",
remoteEvent);
await this.Connection.SendJsonAsync(request.Type, remoteEvent);
}
}
}
catch (IOException e)
{
this.Logger.Error(e, "IOException received. Closing this connection.");
this.Connection.Close();
}
}
