mirror of
https://github.com/Atmosphere-NX/Atmosphere
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102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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#include "htclow_mux_task_manager.hpp"
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#include "htclow_mux_send_buffer.hpp"
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namespace ams::htclow {
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class PacketFactory;
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namespace ctrl {
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class HtcctrlStateMachine;
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}
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}
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namespace ams::htclow::mux {
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class ChannelImpl {
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private:
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impl::ChannelInternalType m_channel;
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PacketFactory *m_packet_factory;
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ctrl::HtcctrlStateMachine *m_state_machine;
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TaskManager *m_task_manager;
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os::Event *m_event;
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SendBuffer m_send_buffer;
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RingBuffer m_receive_buffer;
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s16 m_version;
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ChannelConfig m_config;
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u64 m_offset;
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u64 m_total_send_size;
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u64 m_cur_max_data;
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u64 m_prev_max_data;
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util::optional<u64> m_share;
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os::Event m_state_change_event;
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ChannelState m_state;
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public:
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ChannelImpl(impl::ChannelInternalType channel, PacketFactory *pf, ctrl::HtcctrlStateMachine *sm, TaskManager *tm, os::Event *ev);
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void SetVersion(s16 version);
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ChannelState GetChannelState() { return m_state; }
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os::EventType *GetChannelStateEvent() { return m_state_change_event.GetBase(); }
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Result ProcessReceivePacket(const PacketHeader &header, const void *body, size_t body_size);
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bool QuerySendPacket(PacketHeader *header, PacketBody *body, int *out_body_size);
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void RemovePacket(const PacketHeader &header);
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void ShutdownForce();
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void UpdateState();
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public:
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Result DoConnectBegin(u32 *out_task_id);
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Result DoConnectEnd();
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Result DoFlush(u32 *out_task_id);
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Result DoReceiveBegin(u32 *out_task_id, size_t size);
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Result DoReceiveEnd(size_t *out, void *dst, size_t dst_size);
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Result DoSend(u32 *out_task_id, size_t *out, const void *src, size_t src_size);
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Result DoShutdown();
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void SetConfig(const ChannelConfig &config);
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void SetSendBuffer(void *buf, size_t buf_size, size_t max_packet_size);
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void SetReceiveBuffer(void *buf, size_t buf_size);
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void SetSendBufferWithData(const void *buf, size_t buf_size, size_t max_packet_size);
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private:
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void SetState(ChannelState state);
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void SetStateWithoutCheck(ChannelState state);
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void SignalSendPacketEvent();
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Result CheckState(std::initializer_list<ChannelState> states) const;
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Result CheckPacketVersion(s16 version) const;
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Result ProcessReceiveDataPacket(s16 version, u64 share, u32 offset, const void *body, size_t body_size);
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Result ProcessReceiveMaxDataPacket(s16 version, u64 share);
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Result ProcessReceiveErrorPacket();
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};
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}
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