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/*
* Copyright (c) 2021 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/connector.h>
#include <hicn/transport/core/packet.h>
#include <hicn/transport/core/prefix.h>
#include <hicn/transport/portability/portability.h>
#include <hicn/transport/utils/chrono_typedefs.h>
#include <hicn/transport/utils/membuf.h>
#include <deque>
#ifndef ASIO_STANDALONE
#define ASIO_STANDALONE
#endif
#include <asio/io_service.hpp>
namespace transport {
namespace core {
typedef struct {
uint64_t rx_packets;
uint64_t tx_packets;
uint64_t rx_bytes;
uint64_t tx_bytes;
uint64_t rx_errors;
uint64_t tx_errors;
} Counters;
class Connector;
class IoModule {
protected:
IoModule()
: inet_address_({}),
inet6_address_({}),
mtu_(1500),
output_interface_(""),
content_store_reserved_(5000) {
inet_address_.v4.as_u32 = htonl(0x7f00001);
inet6_address_.v6.as_u8[15] = 0x01;
}
public:
static IoModule *load(const char *);
static bool unload(IoModule *);
public:
virtual ~IoModule();
virtual void connect(bool is_consumer = true) = 0;
virtual bool isConnected() = 0;
virtual void init(Connector::PacketReceivedCallback &&receive_callback,
Connector::OnReconnectCallback &&reconnect_callback,
asio::io_service &io_service,
const std::string &app_name = "Libtransport") = 0;
virtual void registerRoute(const Prefix &prefix) = 0;
virtual std::uint32_t getMtu() = 0;
virtual bool isControlMessage(const uint8_t *message) = 0;
virtual void processControlMessageReply(utils::MemBuf &packet_buffer) = 0;
virtual void closeConnection() = 0;
virtual void send(Packet &packet) {
counters_.tx_packets++;
counters_.tx_bytes += packet.payloadSize() + packet.headerSize();
if (_is_ipv4(packet.getFormat())) {
packet.setLocator(inet_address_);
} else {
packet.setLocator(inet6_address_);
}
}
virtual void send(const uint8_t *packet, std::size_t len) = 0;
void setContentStoreSize(uint32_t cs_size) {
content_store_reserved_ = cs_size;
}
uint32_t getContentStoreSize() const { return content_store_reserved_; }
void setOutputInterface(const std::string &interface) {
output_interface_ = interface;
}
const std::string &getOutputInterface() { return output_interface_; }
#ifndef ANDROID
private:
void *handle_;
#endif
protected:
ip_address_t inet_address_;
ip_address_t inet6_address_;
uint16_t mtu_;
std::string output_interface_;
uint32_t content_store_reserved_;
Counters counters_;
};
extern "C" IoModule *createModule();
} // namespace core
} // namespace transport
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