rlsrpc->reg(rlock_protocol::revoke, &lock_client::revoke_handler, this);
rlsrpc->reg(rlock_protocol::retry, &lock_client::retry_handler, this);
rlsrpc->reg(rlock_protocol::revoke, &lock_client::revoke_handler, this);
rlsrpc->reg(rlock_protocol::retry, &lock_client::retry_handler, this);