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//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/vinniefalco/CppCon2018
//
#ifndef BOOST_BEAST_EXAMPLE_WEBSOCKET_CHAT_MULTI_SHARED_STATE_HPP
#define BOOST_BEAST_EXAMPLE_WEBSOCKET_CHAT_MULTI_SHARED_STATE_HPP
#include <boost/smart_ptr.hpp>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_set>
// Forward declaration
class websocket_session;
// Represents the shared server state
class shared_state
{
std::string const doc_root_;
// This mutex synchronizes all access to sessions_
std::mutex mutex_;
// Keep a list of all the connected clients
std::unordered_set<websocket_session*> sessions_;
public:
explicit
shared_state(std::string doc_root);
std::string const&
doc_root() const noexcept
{
return doc_root_;
}
void join (websocket_session* session);
void leave (websocket_session* session);
void send (std::string message);
};
#endif
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