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columnlynx/include/columnlynx/server/net/tcp/tcp_connection.hpp

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2.7 KiB
C++

// tcp_connection.hpp - TCP Connection for ColumnLynx
// Copyright (C) 2025 DcruBro
// Distributed under the terms of the GNU General Public License, either version 2 only or version 3. See LICENSES/ for details.
#pragma once
#include <iostream>
#include <memory>
#include <string>
#include <ctime>
#include <cstdint>
#include <new>
#include <asio/asio.hpp>
#include <columnlynx/common/net/tcp/tcp_message_type.hpp>
#include <columnlynx/common/net/tcp/tcp_message_handler.hpp>
#include <columnlynx/common/utils.hpp>
#include <columnlynx/common/libsodium_wrapper.hpp>
#include <columnlynx/common/net/session_registry.hpp>
namespace ColumnLynx::Net::TCP {
class TCPConnection : public std::enable_shared_from_this<TCPConnection> {
public:
using pointer = std::shared_ptr<TCPConnection>;
static pointer create(
asio::ip::tcp::socket socket,
Utils::LibSodiumWrapper* sodiumWrapper,
std::function<void(pointer)> onDisconnect)
{
auto conn = pointer(new TCPConnection(std::move(socket), sodiumWrapper));
conn->mOnDisconnect = std::move(onDisconnect);
return conn;
}
void start();
void sendMessage(ServerMessageType type, const std::string& data = "");
void setDisconnectCallback(std::function<void(std::shared_ptr<TCPConnection>)> cb);
void disconnect();
uint64_t getSessionID() const;
std::array<uint8_t, 32> getAESKey() const;
private:
TCPConnection(asio::ip::tcp::socket socket, Utils::LibSodiumWrapper* sodiumWrapper)
:
mHandler(std::make_shared<MessageHandler>(std::move(socket))),
mLibSodiumWrapper(sodiumWrapper),
mHeartbeatTimer(mHandler->socket().get_executor()),
mLastHeartbeatReceived(std::chrono::steady_clock::now()),
mLastHeartbeatSent(std::chrono::steady_clock::now())
{}
void mStartHeartbeat();
void mHandleMessage(ClientMessageType type, const std::string& data);
std::shared_ptr<MessageHandler> mHandler;
std::function<void(std::shared_ptr<TCPConnection>)> mOnDisconnect;
Utils::LibSodiumWrapper *mLibSodiumWrapper;
std::array<uint8_t, 32> mConnectionAESKey;
uint64_t mConnectionSessionID;
AsymPublicKey mConnectionPublicKey;
asio::steady_timer mHeartbeatTimer;
std::chrono::steady_clock::time_point mLastHeartbeatReceived;
std::chrono::steady_clock::time_point mLastHeartbeatSent;
int mMissedHeartbeats = 0;
};
}