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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <hicn/transport/core/content_object.h>
#include <hicn/transport/core/interest.h>
#include <hicn/transport/core/name.h>
#include <hicn/transport/portability/portability.h>
#include <hicn/transport/utils/deadline_timer.h>
#include <asio/steady_timer.hpp>
namespace transport {
namespace core {
class HicnForwarderInterface;
class VPPForwarderInterface;
class RawSocketInterface;
template <typename ForwarderInt>
class Portal;
typedef std::function<void(const std::error_code &)> TimerCallback;
class PendingInterest {
friend class Portal<HicnForwarderInterface>;
friend class Portal<VPPForwarderInterface>;
friend class Portal<RawSocketInterface>;
public:
PendingInterest();
PendingInterest(Interest::Ptr &&interest,
std::unique_ptr<asio::steady_timer> &&timer);
~PendingInterest();
bool isReceived() const;
template <typename Handler>
TRANSPORT_ALWAYS_INLINE void startCountdown(Handler &&cb) {
timer_->expires_from_now(
std::chrono::milliseconds(interest_->getLifetime()));
timer_->async_wait(cb);
}
void cancelTimer();
void setReceived();
Interest::Ptr &&getInterest();
void setReceived(bool received);
bool isValid() const;
void setValid(bool valid);
private:
Interest::Ptr interest_;
std::unique_ptr<asio::steady_timer> timer_;
bool received_;
};
} // end namespace core
} // end namespace transport
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