public void Handle(ClientMessage.ReplayParkedMessages message)
{
PersistentSubscription subscription;
var key = BuildSubscriptionGroupKey(message.EventStreamId, message.GroupName);
Log.Debug("Replaying parked messages for persistent subscription {subscriptionKey} {to}",
key,
message.StopAt.HasValue ? $" (To: '{message.StopAt.ToString()}')" : " (All)");
if (message.StopAt.HasValue && message.StopAt.Value < 0)
{
message.Envelope.ReplyWith(new ClientMessage.ReplayMessagesReceived(message.CorrelationId,
ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.Fail,
"Cannot stop replaying parked message at a negative version."));
return;
}
if (!_subscriptionsById.TryGetValue(key, out subscription))
{
message.Envelope.ReplyWith(new ClientMessage.ReplayMessagesReceived(message.CorrelationId,
ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.DoesNotExist,
"Unable to locate '" + key + "'"));
return;
}
subscription.RetryParkedMessages(message.StopAt);
message.Envelope.ReplyWith(new ClientMessage.ReplayMessagesReceived(message.CorrelationId,
ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.Success, ""));
}
private void ReplayParkedMessages(HttpEntityManager http, UriTemplateMatch match)
{
if (_httpForwarder.ForwardRequest(http))
{
return;
}
var envelope = new SendToHttpEnvelope(
_networkSendQueue, http,
(args, message) => http.ResponseCodec.To(message),
(args, message) => {
int code;
var m = message as ClientMessage.ReplayMessagesReceived;
if (m == null)
{
throw new Exception("unexpected message " + message);
}
switch (m.Result)
{
case ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.Success:
code = HttpStatusCode.OK;
break;
case ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.DoesNotExist:
code = HttpStatusCode.NotFound;
break;
case ClientMessage.ReplayMessagesReceived.ReplayMessagesReceivedResult.AccessDenied:
code = HttpStatusCode.Unauthorized;
break;
default:
code = HttpStatusCode.InternalServerError;
break;
}
return(new ResponseConfiguration(code, http.ResponseCodec.ContentType,
http.ResponseCodec.Encoding));
});
var groupname = match.BoundVariables["subscription"];
var stream = match.BoundVariables["stream"];
var stopAtStr = match.BoundVariables["stopAt"];
long?stopAt;
// if stopAt is declared...
if (stopAtStr != null)
{
// check it is valid
if (!long.TryParse(stopAtStr, out var stopAtLong) || stopAtLong < 0)
{
http.ReplyStatus(HttpStatusCode.BadRequest, "stopAt should be a properly formed positive long",
exception => { });
return;
}
stopAt = stopAtLong;
}
else
{
// else it's null
stopAt = null;
}
var cmd = new ClientMessage.ReplayParkedMessages(Guid.NewGuid(), Guid.NewGuid(), envelope, stream,
groupname, stopAt, http.User);
Publish(cmd);
}
