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/*
* Copyright 2022-2025 Frederico de Oliveira Linhares
*
* 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.
*/
#include "server.hpp"
#include <iostream>
namespace BluCat::NET
{
void
Server::wait_for_client_connections()
{
acceptor.async_accept(
[this](std::error_code error, asio::ip::tcp::socket socket)
{
if(!error)
{
std::scoped_lock lock(this->mut);
std::cout << "[SERVER] New connection: " << socket.remote_endpoint() <<
std::endl;
if(this->free_connection_slots.size() > 0)
{
unsigned long pos{this->free_connection_slots.front()};
this->free_connection_slots.pop();
std::cout << "Working " << pos << std::endl;
std::unique_ptr<Connection> new_connection(
std::make_unique<Connection>(
this, this->io_context, std::move(socket), pos));
this->connections[pos] = new_connection.get();
this->get_new_connection(std::move(new_connection));
}
else
{
unsigned long pos{this->connections.size()};
std::unique_ptr<Connection> new_connection(
std::make_unique<Connection>(
this, this->io_context, std::move(socket), pos));
this->connections.push_back(new_connection.get());
this->get_new_connection(std::move(new_connection));
}
}
else
{
std::cout << "error connecting to client." << std::endl;
}
std::cout << "num clients: " << connections.size() << std::endl;
this->wait_for_client_connections();
});
}
void
Server::disconnect(unsigned long index)
{
std::scoped_lock lock(this->mut);
delete this->connections[index];
this->connections[index] = nullptr;
this->free_connection_slots.push(index);
}
Server::Server(void (*get_new_connection)(std::unique_ptr<Connection> c),
const uint16_t port):
get_new_connection{get_new_connection},
acceptor{io_context, asio::ip::tcp::endpoint(asio::ip::tcp::v4(), port)}
{
this->thread_context = std::thread([this](){this->io_context.run();});
this->wait_for_client_connections();
}
Server::~Server()
{
this->connections.clear();
this->io_context.stop();
if(this->thread_context.joinable()) thread_context.join();
}
}
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