Atmosphere-libs/libstratosphere/source/htclow/mux/htclow_mux_global_send_buffer.cpp
2022-04-04 17:46:57 -07:00

53 lines
1.7 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_mux_global_send_buffer.hpp"
#include "../htclow_packet_factory.hpp"
namespace ams::htclow::mux {
Packet *GlobalSendBuffer::GetNextPacket() {
if (!m_packet_list.empty()) {
return std::addressof(m_packet_list.front());
} else {
return nullptr;
}
}
Result GlobalSendBuffer::AddPacket(std::unique_ptr<Packet, PacketDeleter> ptr) {
/* Global send buffer only supports adding error packets. */
R_UNLESS(ptr->GetHeader()->packet_type == PacketType_Error, htclow::ResultInvalidArgument());
/* Check if we already have an error packet for the channel. */
for (const auto &packet : m_packet_list) {
R_SUCCEED_IF(packet.GetHeader()->channel == ptr->GetHeader()->channel);
}
/* We don't, so push back a new one. */
m_packet_list.push_back(*(ptr.release()));
R_SUCCEED();
}
void GlobalSendBuffer::RemovePacket() {
auto *packet = std::addressof(m_packet_list.front());
m_packet_list.pop_front();
m_packet_factory->Delete(packet);
}
}