mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
#include "htclow_ctrl_send_buffer.hpp"
|
|
#include "htclow_ctrl_packet_factory.hpp"
|
|
|
|
namespace ams::htclow::ctrl {
|
|
|
|
bool HtcctrlSendBuffer::IsPriorPacket(HtcctrlPacketType packet_type) const {
|
|
return packet_type == HtcctrlPacketType_DisconnectFromTarget;
|
|
}
|
|
|
|
bool HtcctrlSendBuffer::IsPosteriorPacket(HtcctrlPacketType packet_type) const {
|
|
switch (packet_type) {
|
|
case HtcctrlPacketType_ConnectFromTarget:
|
|
case HtcctrlPacketType_ReadyFromTarget:
|
|
case HtcctrlPacketType_SuspendFromTarget:
|
|
case HtcctrlPacketType_ResumeFromTarget:
|
|
case HtcctrlPacketType_BeaconResponse:
|
|
case HtcctrlPacketType_InformationFromTarget:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void HtcctrlSendBuffer::AddPacket(std::unique_ptr<HtcctrlPacket, HtcctrlPacketDeleter> ptr) {
|
|
/* Get the packet. */
|
|
HtcctrlPacket *packet = ptr.release();
|
|
|
|
/* Get the packet type. */
|
|
const auto packet_type = packet->GetHeader()->packet_type;
|
|
|
|
/* Add the packet to the appropriate list. */
|
|
if (this->IsPriorPacket(packet_type)) {
|
|
m_prior_packet_list.push_back(*packet);
|
|
} else {
|
|
AMS_ABORT_UNLESS(this->IsPosteriorPacket(packet_type));
|
|
m_posterior_packet_list.push_back(*packet);
|
|
}
|
|
}
|
|
|
|
void HtcctrlSendBuffer::RemovePacket(const HtcctrlPacketHeader &header) {
|
|
/* Get the packet type. */
|
|
const auto packet_type = header.packet_type;
|
|
|
|
/* Remove the front from the appropriate list. */
|
|
HtcctrlPacket *packet;
|
|
if (this->IsPriorPacket(packet_type)) {
|
|
packet = std::addressof(m_prior_packet_list.front());
|
|
m_prior_packet_list.pop_front();
|
|
} else {
|
|
AMS_ABORT_UNLESS(this->IsPosteriorPacket(packet_type));
|
|
packet = std::addressof(m_posterior_packet_list.front());
|
|
m_posterior_packet_list.pop_front();
|
|
}
|
|
|
|
/* Delete the packet. */
|
|
m_packet_factory->Delete(packet);
|
|
}
|
|
|
|
bool HtcctrlSendBuffer::QueryNextPacket(HtcctrlPacketHeader *header, HtcctrlPacketBody *body, int *out_body_size) {
|
|
if (!m_prior_packet_list.empty()) {
|
|
this->CopyPacket(header, body, out_body_size, m_prior_packet_list.front());
|
|
return true;
|
|
} else if (!m_posterior_packet_list.empty()) {
|
|
this->CopyPacket(header, body, out_body_size, m_posterior_packet_list.front());
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void HtcctrlSendBuffer::CopyPacket(HtcctrlPacketHeader *header, HtcctrlPacketBody *body, int *out_body_size, const HtcctrlPacket &packet) {
|
|
/* Get the body size. */
|
|
const int body_size = packet.GetBodySize();
|
|
AMS_ASSERT(0 <= body_size && body_size <= static_cast<int>(sizeof(*body)));
|
|
|
|
/* Copy the header. */
|
|
std::memcpy(header, packet.GetHeader(), sizeof(*header));
|
|
|
|
/* Copy the body. */
|
|
std::memcpy(body, packet.GetBody(), body_size);
|
|
|
|
/* Set the output body size. */
|
|
*out_body_size = body_size;
|
|
}
|
|
|
|
}
|