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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/name.h>
#include <hicn/transport/core/packet.h>
#include <hicn/transport/utils/shared_ptr_utils.h>
#include <set>
namespace transport {
namespace core {
class Interest
: public Packet /*, public std::enable_shared_from_this<Interest>*/ {
private:
struct InterestManifestHeader {
/* This can be 16 bits, but we use 32 bits for alignment */
uint32_t n_suffixes;
/* Followed by the list of prefixes to ask */
/* ... */
};
public:
using Ptr = std::shared_ptr<Interest>;
Interest(Packet::Format format = HF_INET6_TCP,
std::size_t additional_header_size = 0);
Interest(const Name &interest_name, Packet::Format format = HF_INET6_TCP,
std::size_t additional_header_size = 0);
Interest(MemBuf &&buffer);
template <typename... Args>
Interest(CopyBufferOp op, Args &&...args)
: Packet(op, std::forward<Args>(args)...) {
if (hicn_interest_get_name(format_, packet_start_,
name_.getStructReference()) < 0) {
throw errors::MalformedPacketException();
}
}
template <typename... Args>
Interest(WrapBufferOp op, Args &&...args)
: Packet(op, std::forward<Args>(args)...) {
if (hicn_interest_get_name(format_, packet_start_,
name_.getStructReference()) < 0) {
throw errors::MalformedPacketException();
}
}
template <typename... Args>
Interest(CreateOp op, Args &&...args)
: Packet(op, std::forward<Args>(args)...) {}
/* Move constructor */
Interest(Interest &&other_interest);
/* Copy constructor */
Interest(const Interest &other_interest);
/* Assginemnt operator */
Interest &operator=(const Interest &other);
~Interest();
const Name &getName() const override;
Name &getWritableName() override;
void setName(const Name &name) override;
void setName(Name &&name) override;
void setLocator(const ip_address_t &ip_address) override;
ip_address_t getLocator() const override;
void setLifetime(uint32_t lifetime) override;
uint32_t getLifetime() const override;
bool hasManifest();
void appendSuffix(std::uint32_t suffix);
void encodeSuffixes();
uint32_t *firstSuffix();
uint32_t numberOfSuffixes();
auto shared_from_this() { return utils::shared_from(this); }
private:
void resetForHash() override;
std::set<uint32_t> suffix_set_;
};
} // end namespace core
} // end namespace transport
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