mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-23 18:56:03 +00:00
97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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_packet_factory.hpp"
|
|
|
|
namespace ams::htclow {
|
|
|
|
void PacketFactory::Delete(Packet *packet) {
|
|
PacketDeleter{m_allocator}(packet);
|
|
}
|
|
|
|
std::unique_ptr<Packet, PacketDeleter> PacketFactory::MakeSendPacketCommon(impl::ChannelInternalType channel, s16 version, int body_size) {
|
|
/* Allocate memory for the packet. */
|
|
if (void *buffer = m_allocator->Allocate(sizeof(Packet), alignof(Packet)); buffer != nullptr) {
|
|
/* Convert the buffer to a packet. */
|
|
Packet *packet = static_cast<Packet *>(buffer);
|
|
|
|
/* Construct the packet. */
|
|
std::construct_at(packet, m_allocator, body_size + sizeof(PacketHeader));
|
|
|
|
/* Create the unique pointer. */
|
|
std::unique_ptr<Packet, PacketDeleter> ptr(packet, PacketDeleter{m_allocator});
|
|
|
|
/* Set packet header fields. */
|
|
if (ptr && ptr->IsAllocationSucceeded()) {
|
|
PacketHeader *header = ptr->GetHeader();
|
|
|
|
header->signature = HtcGen2Signature;
|
|
header->offset = 0;
|
|
header->reserved = 0;
|
|
header->body_size = body_size;
|
|
header->version = version;
|
|
header->channel = channel;
|
|
header->share = 0;
|
|
}
|
|
|
|
return ptr;
|
|
} else {
|
|
return std::unique_ptr<Packet, PacketDeleter>(nullptr, PacketDeleter{m_allocator});
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<Packet, PacketDeleter> PacketFactory::MakeDataPacket(impl::ChannelInternalType channel, s16 version, const void *body, int body_size, u64 share, u32 offset) {
|
|
auto packet = this->MakeSendPacketCommon(channel, version, body_size);
|
|
if (packet) {
|
|
PacketHeader *header = packet->GetHeader();
|
|
|
|
header->packet_type = PacketType_Data;
|
|
header->offset = offset;
|
|
header->share = share;
|
|
|
|
packet->CopyBody(body, body_size);
|
|
|
|
AMS_ASSERT(packet->GetBodySize() == body_size);
|
|
}
|
|
|
|
return packet;
|
|
}
|
|
|
|
|
|
std::unique_ptr<Packet, PacketDeleter> PacketFactory::MakeMaxDataPacket(impl::ChannelInternalType channel, s16 version, u64 share) {
|
|
auto packet = this->MakeSendPacketCommon(channel, version, 0);
|
|
if (packet) {
|
|
PacketHeader *header = packet->GetHeader();
|
|
|
|
header->packet_type = PacketType_MaxData;
|
|
header->share = share;
|
|
}
|
|
|
|
return packet;
|
|
}
|
|
|
|
std::unique_ptr<Packet, PacketDeleter> PacketFactory::MakeErrorPacket(impl::ChannelInternalType channel) {
|
|
auto packet = this->MakeSendPacketCommon(channel, 0, 0);
|
|
if (packet) {
|
|
PacketHeader *header = packet->GetHeader();
|
|
|
|
header->packet_type = PacketType_Error;
|
|
}
|
|
|
|
return packet;
|
|
}
|
|
|
|
}
|