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Atmosphere/libraries/libstratosphere/source/cs/cs_command_processor.cpp
2021-10-07 19:48:40 -07:00

129 lines
4.3 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 "cs_command_impl.hpp"
/* Include command implementations. */
#include "cs_command_impl.inc"
namespace ams::cs {
namespace {
struct ResponseFirmwareVersion {
ResponseHeader header;
settings::system::FirmwareVersion firmware_version;
};
struct ResponseTakeScreenShot {
ResponseHeader header;
s32 data_size;
s32 width;
s32 height;
};
constinit u8 g_data[0x1000];
}
bool CommandProcessor::ProcessCommand(const CommandHeader &header, const u8 *body, s32 socket) {
switch (header.command) {
case Command_GetFirmwareVersion:
SendFirmwareVersion(socket, header);
break;
case Command_TakeScreenShot:
this->TakeScreenShot(header, socket, vi::LayerStack_ApplicationForDebug);
break;
case Command_TakeForegroundScreenShot:
this->TakeScreenShot(header, socket, vi::LayerStack_LastFrame);
break;
/* TODO: Command support. */
default:
scs::CommandProcessor::ProcessCommand(header, body, socket);
break;
}
return true;
}
void CommandProcessor::SendFirmwareVersion(s32 socket, const CommandHeader &header) {
/* Build the response. */
ResponseFirmwareVersion response = {
.header = {
.id = header.id,
.response = Response_FirmwareVersion,
.body_size = sizeof(response) - sizeof(response.header),
},
.firmware_version = {},
};
/* Get the firmware version. */
const Result result = DoGetFirmwareVersionCommand(std::addressof(response.firmware_version));
if (R_SUCCEEDED(result)) {
/* Send the response. */
auto lk = MakeSendGuardBlock();
Send(socket, std::addressof(response), sizeof(response));
} else {
SendErrorResult(socket, header, result);
}
}
void CommandProcessor::TakeScreenShot(const CommandHeader &header, s32 socket, vi::LayerStack layer_stack) {
/* Create the command data. */
const CommandDataTakeScreenShot params = {
.layer_stack = layer_stack,
.buffer = g_data,
.buffer_size = sizeof(g_data),
};
/* Take the screenshot. */
Result result;
{
/* Acquire the send lock. */
auto lk = MakeSendGuardBlock();
/* Perform the command. */
result = DoTakeScreenShotCommand(params, [&](s32 data_size, s32 width, s32 height) {
/* Use global buffer for response. */
ResponseTakeScreenShot *response = reinterpret_cast<ResponseTakeScreenShot *>(g_data);
/* Set response header. */
*response = {
.header = {
.id = header.id,
.response = Response_ScreenShot,
.body_size = static_cast<u32>(sizeof(data_size) + sizeof(width) + sizeof(height) + data_size),
},
.data_size = data_size,
.width = width,
.height = height,
};
/* Send data. */
Send(socket, response, sizeof(*response));
}, [&](u8 *data, size_t data_size) {
/* Send data. */
Send(socket, data, data_size);
});
}
/* Handle the error case. */
if (R_FAILED(result)) {
SendErrorResult(socket, header, result);
}
}
}