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- /*
- Minetest
- Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include <unordered_map>
- #include <string>
- #include <vector>
- #include <memory>
- #include "network/networkprotocol.h"
- #include "irrlichttypes.h"
- enum ModChannelState : u8
- {
- MODCHANNEL_STATE_INIT,
- MODCHANNEL_STATE_READ_WRITE,
- MODCHANNEL_STATE_READ_ONLY,
- MODCHANNEL_STATE_MAX,
- };
- class ModChannel
- {
- public:
- ModChannel(const std::string &name) : m_name(name) {}
- ~ModChannel() = default;
- const std::string &getName() const { return m_name; }
- bool registerConsumer(session_t peer_id);
- bool removeConsumer(session_t peer_id);
- const std::vector<u16> &getChannelPeers() const { return m_client_consumers; }
- bool canWrite() const;
- void setState(ModChannelState state);
- private:
- std::string m_name;
- ModChannelState m_state = MODCHANNEL_STATE_INIT;
- std::vector<u16> m_client_consumers;
- };
- enum ModChannelSignal : u8
- {
- MODCHANNEL_SIGNAL_JOIN_OK,
- MODCHANNEL_SIGNAL_JOIN_FAILURE,
- MODCHANNEL_SIGNAL_LEAVE_OK,
- MODCHANNEL_SIGNAL_LEAVE_FAILURE,
- MODCHANNEL_SIGNAL_CHANNEL_NOT_REGISTERED,
- MODCHANNEL_SIGNAL_SET_STATE,
- };
- class ModChannelMgr
- {
- public:
- ModChannelMgr() = default;
- ~ModChannelMgr() = default;
- void registerChannel(const std::string &channel);
- bool setChannelState(const std::string &channel, ModChannelState state);
- bool joinChannel(const std::string &channel, session_t peer_id);
- bool leaveChannel(const std::string &channel, session_t peer_id);
- bool channelRegistered(const std::string &channel) const;
- ModChannel *getModChannel(const std::string &channel);
- /**
- * This function check if a local mod can write on the channel
- *
- * @param channel
- * @return true if write is allowed
- */
- bool canWriteOnChannel(const std::string &channel) const;
- void leaveAllChannels(session_t peer_id);
- const std::vector<u16> &getChannelPeers(const std::string &channel) const;
- private:
- bool removeChannel(const std::string &channel);
- std::unordered_map<std::string, std::unique_ptr<ModChannel>>
- m_registered_channels;
- };
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