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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/interfaces/socket.h>
#include <hicn/transport/utils/object_pool.h>
#include <hicn/transport/utils/sharable_vector.h>
namespace transport {
namespace protocol {
using namespace core;
class TransportProtocolCallback {
virtual void onContentObject(const core::Interest &interest,
const core::ContentObject &content_object) = 0;
virtual void onTimeout(const core::Interest &interest) = 0;
};
class TransportProtocol : public interface::BasePortal::ConsumerCallback {
static constexpr std::size_t interest_pool_size = 4096;
public:
TransportProtocol(interface::BaseSocket *icn_socket);
virtual ~TransportProtocol();
void updatePortal();
bool isRunning();
virtual void start(utils::SharableVector<uint8_t> &content_buffer) = 0;
virtual void stop() = 0;
virtual void resume() = 0;
protected:
virtual void increasePoolSize(std::size_t size = interest_pool_size);
TRANSPORT_ALWAYS_INLINE Interest::Ptr getInterest() {
auto result = interest_pool_.get();
while (TRANSPORT_EXPECT_FALSE(!result.first)) {
// Add packets to the pool
increasePoolSize();
result = interest_pool_.get();
}
return std::move(result.second);
}
// Consumer Callback
virtual void onContentObject(Interest::Ptr &&i, ContentObject::Ptr &&c) = 0;
virtual void onTimeout(Interest::Ptr &&i) = 0;
protected:
interface::ConsumerSocket *socket_;
std::shared_ptr<interface::BasePortal> portal_;
volatile bool is_running_;
utils::ObjectPool<Interest> interest_pool_;
};
} // end namespace protocol
} // end namespace transport
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