C_clientList.hpp

/*
 * Copyright 2024 Guillaume Guillet
 *
 * 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.
 */
 
#ifndef _FGE_C_CLIENTLIST_HPP_INCLUDED
#define _FGE_C_CLIENTLIST_HPP_INCLUDED
 
#include "FastEngine/fge_extern.hpp"
#include "C_client.hpp"
#include <deque>
#include <memory>
#include <mutex>
#include <unordered_map>
 
namespace fge::net
{
 
class SocketUdp;
 
using ClientSharedPtr = std::shared_ptr<fge::net::Client>;
 
struct ClientListEvent
{
    enum Events : uint8_t
    {
        CLEVT_DELCLIENT = 0,
        CLEVT_NEWCLIENT
    };
 
    fge::net::ClientListEvent::Events _event;
    fge::net::Identity _id;
};
 
class FGE_API ClientList
{
public:
    using ClientListData = std::unordered_map<fge::net::Identity, fge::net::ClientSharedPtr, fge::net::IdentityHash>;
    using ClientEventList = std::deque<fge::net::ClientListEvent>;
 
    ClientList() = default;
    ~ClientList() = default;
 
    void clear();
 
    void sendToAll(fge::net::SocketUdp& socket, fge::net::Packet& pck);
    void sendToAll(fge::net::TransmissionPacketPtr const& pck);
 
    void add(fge::net::Identity const& id, fge::net::ClientSharedPtr const& newClient);
    void remove(fge::net::Identity const& id);
    fge::net::ClientList::ClientListData::iterator remove(fge::net::ClientList::ClientListData::const_iterator itPos,
                                                          std::unique_lock<std::recursive_mutex> const& lock);
 
    fge::net::ClientSharedPtr get(fge::net::Identity const& id) const;
 
    std::unique_lock<std::recursive_mutex> acquireLock() const;
 
    fge::net::ClientList::ClientListData::iterator begin(std::unique_lock<std::recursive_mutex> const& lock);
    fge::net::ClientList::ClientListData::const_iterator
    begin(std::unique_lock<std::recursive_mutex> const& lock) const;
    fge::net::ClientList::ClientListData::iterator end(std::unique_lock<std::recursive_mutex> const& lock);
    fge::net::ClientList::ClientListData::const_iterator end(std::unique_lock<std::recursive_mutex> const& lock) const;
 
    std::size_t getSize() const;
 
    void watchEvent(bool on);
    bool isWatchingEvent() const;
 
    void pushClientEvent(fge::net::ClientListEvent const& evt);
    fge::net::ClientListEvent const& getClientEvent(std::size_t index) const;
    std::size_t getClientEventSize() const;
    void clearClientEvent();
 
private:
    fge::net::ClientList::ClientListData g_data;
    fge::net::ClientList::ClientEventList g_events;
    mutable std::recursive_mutex g_mutex;
    bool g_enableClientEventsFlag = false;
};
 
} // namespace fge::net
 
 
#endif // _FGE_C_CLIENTLIST_HPP_INCLUDED