mirror of
https://github.com/Atmosphere-NX/Atmosphere
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87 lines
2.8 KiB
C++
87 lines
2.8 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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#include <stratosphere.hpp>
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#include "htclow_mux_channel_impl.hpp"
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#include "../ctrl/htclow_ctrl_state_machine.hpp"
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namespace ams::htclow::mux {
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void ChannelImpl::SetVersion(s16 version) {
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/* Sanity check the version. */
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AMS_ASSERT(version <= ProtocolVersion);
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/* Set version. */
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m_version = version;
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m_send_buffer.SetVersion(version);
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}
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void ChannelImpl::UpdateState() {
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/* Check if shutdown must be forced. */
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if (m_state_machine->IsUnsupportedServiceChannelToShutdown(m_channel)) {
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this->ShutdownForce();
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}
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/* Check if we're readied. */
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if (m_state_machine->IsReadied()) {
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m_task_manager->NotifyConnectReady();
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}
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/* Update our state transition. */
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if (m_state_machine->IsConnectable(m_channel)) {
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if (m_state == ChannelState_Unconnectable) {
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this->SetState(ChannelState_Connectable);
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}
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} else if (m_state_machine->IsUnconnectable()) {
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if (m_state == ChannelState_Connectable) {
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this->SetState(ChannelState_Unconnectable);
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m_state_machine->SetNotConnecting(m_channel);
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} else if (m_state == ChannelState_Connected) {
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this->ShutdownForce();
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}
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}
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}
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void ChannelImpl::ShutdownForce() {
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/* Clear our send buffer. */
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m_send_buffer.Clear();
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/* Set our state to shutdown. */
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this->SetState(ChannelState_Shutdown);
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}
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void ChannelImpl::SetState(ChannelState state) {
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/* Check that we can perform the transition. */
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AMS_ABORT_UNLESS(IsStateTransitionAllowed(m_state, state));
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/* Perform the transition. */
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this->SetStateWithoutCheck(state);
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}
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void ChannelImpl::SetStateWithoutCheck(ChannelState state) {
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/* Change our state. */
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if (m_state != state) {
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m_state = state;
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m_state_change_event.Signal();
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}
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/* If relevant, notify disconnect. */
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if (m_state == ChannelState_Shutdown) {
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m_task_manager->NotifyDisconnect(m_channel);
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}
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}
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}
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