private Protobuf.ReplicationMessage GetNextMessage()
{
if (nextMessage == null)
{
nextMessage = new Protobuf.ReplicationMessage();
}
return(nextMessage);
}
void IReplicationStreamWriter.WriteTo(Stream stream)
{
WriteUpdates(GetNextMessage());
if (nextMessage != null)
{
nextMessage.WriteTo(stream);
nextMessage = null;
}
}
private void WriteRemove(Protobuf.ReplicationMessage message, Replica replica)
{
var removeMessage = new Protobuf.RemoveMessage()
{
ReplicaId = replica.Id
};
message.Actions.Add(new Protobuf.ReplicationMessage.Types.ActionMessage()
{
Remove = removeMessage
});
}
private void WriteRemoteCall(Protobuf.ReplicationMessage message, FunctionId functionId, IMessage argument)
{
var remoteCallMessage = new Protobuf.RemoteCallMessage()
{
FunctionId = functionId,
TypeId = system.GetTypeId(argument.GetType()),
Argument = argument.ToByteString()
};
message.Actions.Add(new Protobuf.ReplicationMessage.Types.ActionMessage()
{
RemoteCall = remoteCallMessage
});
}
private void WriteAdd(Protobuf.ReplicationMessage message, Replica replica)
{
var addMessage = new Protobuf.AddMessage()
{
TypeId = system.GetTypeId(replica.Value.GetType()),
ReplicaId = replica.Id.Value,
Replica = replica.Value.ToByteString()
};
message.Actions.Add(new Protobuf.ReplicationMessage.Types.ActionMessage()
{
Add = addMessage
});
}
private void WriteUpdate(Protobuf.ReplicationMessage message, Replica replica)
{
var value = replica.Value.ToByteString();
if (options.AllowDifferentOnly && replica.DifferentOnly)
{
if (lastValues.TryGetValue(replica.Id, out ByteString lastState) && value.Equals(lastState))
{
// Identical to last state, skip it
return;
}
lastValues[replica.Id] = value;
}
var updateMessage = new Protobuf.UpdateMessage();
updateMessage.ReplicaId = replica.Id;
updateMessage.Replica = value;
message.Updates.Add(updateMessage);
}
private void WriteUpdates(Protobuf.ReplicationMessage message)
{
IEnumerable <Replica> replicas = updated;
if (options.AllowAlwaysUpdate)
{
replicas = replicas.Concat(system.Replicas.Where(r => (!options.MasterOnly || r.Master) && r.AlwaysUpdate));
}
if (options.Culling != null)
{
replicas = replicas.Where(d => options.Culling(d));
}
foreach (var replica in replicas)
{
WriteUpdate(message, replica);
}
updated.Clear();
}
