const Callback& callback)

: connector_(

new Connector(host, protocol_version, bind_callback(&DelayedConnector::on_connect, this)))

, callback_(callback)

inc_ref();

if (wait_time_ms > 0) {

delayed_connect_timer_.start(loop, wait_time_ms,

bind_callback(&DelayedConnector::on_delayed_connect, this));

} else {

internal_connect(loop);

}

if (delayed_connect_timer_.is_running() && !is_canceled_) {

internal_connect(delayed_connect_timer_.loop());

delayed_connect_timer_.stop();

}

is_canceled_ = true;

if (delayed_connect_timer_.is_running()) {

delayed_connect_timer_.stop();

callback_(this);

dec_ref();

} else {

connector_->cancel();

}

if (is_canceled()) {

return Connector::CONNECTION_CANCELED;

}

return connector_->error_code();