@Override
                    public void onOpeningHandshakeCompleted(Member member) {
                        this.member = member;
                        updateOtherActiveConnectedMemberList(true, member);
                    }
@return a positive or negative number, and never 0 to ensure that the order is consistent in
        every node.
turms-server-common/src/main/java/im/turms/server/common/infra/cluster/service/discovery/DiscoveryService.java