public void Handle(ReplicationMessage.ReplicaSubscriptionRequest message)
{
_publisher.Publish(new SystemMessage.VNodeConnectionEstablished(message.ReplicaEndPoint,
message.Connection.ConnectionId));
if (!CanAcceptSubscription(message))
{
message.Envelope.ReplyWith(
new ReplicationMessage.ReplicaSubscriptionRetry(_instanceId, message.SubscriptionId));
return;
}
var subscription = new ReplicaSubscription(_tcpSendPublisher,
message.Connection,
message.SubscriptionId,
message.ReplicaEndPoint,
message.IsPromotable);
foreach (var subscr in _subscriptions.Values)
{
if (subscr != subscription && subscr.ConnectionId == subscription.ConnectionId)
{
subscr.ShouldDispose = true;
}
}
if (SubscribeReplica(subscription, message.LastEpochs, message.CorrelationId, message.LogPosition,
message.ChunkId))
{
_newSubscriptions = true;
if (!_subscriptions.TryAdd(subscription.SubscriptionId, subscription))
{
ReplicaSubscription existingSubscr;
_subscriptions.TryGetValue(subscription.SubscriptionId, out existingSubscr);
Log.Error(
"There is already a subscription with SubscriptionID {subscriptionId:B}: {existingSubscription}.",
subscription.SubscriptionId, existingSubscr);
Log.Error("Subscription we tried to add: {existingSubscription}.", existingSubscr);
subscription.SendBadRequestAndClose(message.CorrelationId, string.Format(
"There is already a subscription with SubscriptionID {0:B}: {1}.\nSubscription we tried to add: {2}",
subscription.SubscriptionId, existingSubscr, subscription));
subscription.Dispose();
}
else
{
var replicationCheckpoint = _db.Config.ReplicationCheckpoint.Read();
subscription.SendMessage(new ReplicationTrackingMessage.ReplicatedTo(replicationCheckpoint));
}
}
}
public void Handle(ReplicationMessage.ReplicaSubscriptionRequest message)
{
_publisher.Publish(new SystemMessage.VNodeConnectionEstablished(message.ReplicaEndPoint, message.Connection.ConnectionId));
if (_state != VNodeState.Master || message.MasterId != _instanceId)
{
message.Envelope.ReplyWith(new ReplicationMessage.ReplicaSubscriptionRetry(_instanceId, message.SubscriptionId));
return;
}
var subscription = new ReplicaSubscription(_tcpSendPublisher,
message.Connection,
message.SubscriptionId,
message.ReplicaEndPoint,
message.IsPromotable);
foreach (var subscr in _subscriptions.Values)
{
if (subscr != subscription && subscr.ConnectionId == subscription.ConnectionId)
{
subscr.ShouldDispose = true;
}
}
if (SubscribeReplica(subscription, message.LastEpochs, message.CorrelationId, message.LogPosition, message.ChunkId))
{
_newSubscriptions = true;
if (!_subscriptions.TryAdd(subscription.SubscriptionId, subscription))
{
ReplicaSubscription existingSubscr;
_subscriptions.TryGetValue(subscription.SubscriptionId, out existingSubscr);
var msg = string.Format("There is already subscription with SubscriptionID {0:B}: {1}.\nSubscription we tried to add: {2}",
subscription.SubscriptionId, existingSubscr, subscription);
Log.Error(msg);
subscription.SendBadRequestAndClose(message.CorrelationId, msg);
subscription.Dispose();
}
}
}