77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// tcp_server.cpp - TCP Server 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.
|
|
|
|
#include <columnlynx/server/net/tcp/tcp_server.hpp>
|
|
|
|
#include <cstdint>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
#include <memory>
|
|
#include <unordered_set>
|
|
#include <asio.hpp>
|
|
#include <columnlynx/common/net/tcp/tcp_message_type.hpp>
|
|
#include <columnlynx/common/net/tcp/net_helper.hpp>
|
|
#include <columnlynx/common/utils.hpp>
|
|
|
|
namespace ColumnLynx::Net::TCP {
|
|
|
|
void TCPServer::mStartAccept() {
|
|
mAcceptor.async_accept(
|
|
[this](asio::error_code ec, asio::ip::tcp::socket socket) {
|
|
if (ec) {
|
|
if (ec == asio::error::operation_aborted) {
|
|
// Acceptor was cancelled/closed during shutdown
|
|
return;
|
|
}
|
|
Utils::error("Accept failed: " + ec.message());
|
|
// Try again only if still running
|
|
if (mHostRunning && *mHostRunning && mAcceptor.is_open())
|
|
mStartAccept();
|
|
return;
|
|
}
|
|
|
|
auto client = TCPConnection::create(
|
|
std::move(socket),
|
|
mSodiumWrapper,
|
|
&mRawServerConfig,
|
|
mConfigDirPath,
|
|
[this](std::shared_ptr<TCPConnection> c) {
|
|
mClients.erase(c);
|
|
Utils::log("Client removed.");
|
|
}
|
|
);
|
|
mClients.insert(client);
|
|
client->start();
|
|
Utils::log("Accepted new client connection.");
|
|
|
|
if (mHostRunning && *mHostRunning && mAcceptor.is_open())
|
|
mStartAccept();
|
|
}
|
|
);
|
|
}
|
|
|
|
void TCPServer::stop() {
|
|
// Stop accepting
|
|
if (mAcceptor.is_open()) {
|
|
asio::error_code ec;
|
|
mAcceptor.cancel(ec);
|
|
mAcceptor.close(ec);
|
|
Utils::log("TCP Acceptor closed.");
|
|
}
|
|
|
|
// Snapshot to avoid iterator invalidation while callbacks erase()
|
|
std::vector<std::shared_ptr<TCPConnection>> snapshot(mClients.begin(), mClients.end());
|
|
for (auto &client : snapshot) {
|
|
try {
|
|
client->disconnect(); // should shutdown+close the socket
|
|
Utils::log("GRACEFUL_DISCONNECT sent to session: " + std::to_string(client->getSessionID()));
|
|
} catch (const std::exception& e) {
|
|
Utils::error(std::string("Error disconnecting client: ") + e.what());
|
|
}
|
|
}
|
|
// Let the erase callback run as sockets close
|
|
// Do NOT destroy server while io handlers may still reference it
|
|
}
|
|
} |