func (self *ProtobufRequestHandler) handleSequenceNumberRequest(request *protocol.Request, conn net.Conn) {
replicationFactor := uint8(*request.ReplicationFactor)
var err error
lastKnownSequenceNumber, err := self.coordinator.GetLastSequenceNumber(replicationFactor, *request.OriginatingServerId, *request.OwnerServerId)
var response *protocol.Response
if err != nil {
response = &protocol.Response{Type: &sequenceNumberResponse, Request: request, RequestId: request.Id, ErrorCode: &internalError}
} else {
response = &protocol.Response{Type: &sequenceNumberResponse, Request: request, RequestId: request.Id}
request.LastKnownSequenceNumber = &lastKnownSequenceNumber
}
self.WriteResponse(conn, response)
}