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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/config.h>
#include <hicn/transport/core/content_object.h>
#include <hicn/transport/core/interest.h>
#include <hicn/transport/core/name.h>
#include <hicn/transport/interfaces/portal.h>
#include <hicn/transport/portability/portability.h>
#include <utils/deadline_timer.h>
#include <asio/steady_timer.hpp>
namespace transport {
namespace core {
class HicnForwarderInterface;
class VPPForwarderInterface;
class RawSocketInterface;
template <typename ForwarderInt>
class Portal;
using OnContentObjectCallback = interface::Portal::OnContentObjectCallback;
using OnInterestTimeoutCallback = interface::Portal::OnInterestTimeoutCallback;
class PendingInterest {
friend class Portal<HicnForwarderInterface>;
friend class Portal<VPPForwarderInterface>;
friend class Portal<RawSocketInterface>;
public:
using Ptr = utils::ObjectPool<PendingInterest>::Ptr;
PendingInterest()
: interest_(nullptr, nullptr),
timer_(),
on_content_object_callback_(),
on_interest_timeout_callback_() {}
PendingInterest(Interest::Ptr &&interest,
std::unique_ptr<asio::steady_timer> &&timer)
: interest_(std::move(interest)),
timer_(std::move(timer)),
on_content_object_callback_(),
on_interest_timeout_callback_() {}
PendingInterest(Interest::Ptr &&interest,
OnContentObjectCallback &&on_content_object,
OnInterestTimeoutCallback &&on_interest_timeout,
std::unique_ptr<asio::steady_timer> &&timer)
: interest_(std::move(interest)),
timer_(std::move(timer)),
on_content_object_callback_(std::move(on_content_object)),
on_interest_timeout_callback_(std::move(on_interest_timeout)) {}
~PendingInterest() = default;
template <typename Handler>
TRANSPORT_ALWAYS_INLINE void startCountdown(Handler &&cb) {
timer_->expires_from_now(
std::chrono::milliseconds(interest_->getLifetime()));
timer_->async_wait(std::forward<Handler &&>(cb));
}
TRANSPORT_ALWAYS_INLINE void cancelTimer() { timer_->cancel(); }
TRANSPORT_ALWAYS_INLINE Interest::Ptr &&getInterest() {
return std::move(interest_);
}
TRANSPORT_ALWAYS_INLINE void setInterest(Interest::Ptr &&interest) {
interest_ = std::move(interest);
}
TRANSPORT_ALWAYS_INLINE const OnContentObjectCallback &getOnDataCallback()
const {
return on_content_object_callback_;
}
TRANSPORT_ALWAYS_INLINE void setOnContentObjectCallback(
OnContentObjectCallback &&on_content_object) {
PendingInterest::on_content_object_callback_ = on_content_object;
}
TRANSPORT_ALWAYS_INLINE const OnInterestTimeoutCallback &
getOnTimeoutCallback() const {
return on_interest_timeout_callback_;
}
TRANSPORT_ALWAYS_INLINE void setOnTimeoutCallback(
OnInterestTimeoutCallback &&on_interest_timeout) {
PendingInterest::on_interest_timeout_callback_ = on_interest_timeout;
}
private:
Interest::Ptr interest_;
std::unique_ptr<asio::steady_timer> timer_;
OnContentObjectCallback on_content_object_callback_;
OnInterestTimeoutCallback on_interest_timeout_callback_;
};
} // end namespace core
} // end namespace transport
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