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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GpuService.h"
#include <binder/IResultReceiver.h>
#include <binder/Parcel.h>
#include <utils/String8.h>
#include <vkjson.h>
namespace android {
// ----------------------------------------------------------------------------
class BpGpuService : public BpInterface<IGpuService>
{
public:
explicit BpGpuService(const sp<IBinder>& impl) : BpInterface<IGpuService>(impl) {}
};
IMPLEMENT_META_INTERFACE(GpuService, "android.ui.IGpuService");
status_t BnGpuService::onTransact(uint32_t code, const Parcel& data,
Parcel* reply, uint32_t flags)
{
status_t status;
switch (code) {
case SHELL_COMMAND_TRANSACTION: {
int in = data.readFileDescriptor();
int out = data.readFileDescriptor();
int err = data.readFileDescriptor();
int argc = data.readInt32();
Vector<String16> args;
for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
args.add(data.readString16());
}
sp<IBinder> unusedCallback;
sp<IResultReceiver> resultReceiver;
if ((status = data.readNullableStrongBinder(&unusedCallback)) != OK)
return status;
if ((status = data.readNullableStrongBinder(&resultReceiver)) != OK)
return status;
status = shellCommand(in, out, err, args);
if (resultReceiver != nullptr)
resultReceiver->send(status);
return OK;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
namespace {
status_t cmd_help(int out);
status_t cmd_vkjson(int out, int err);
}
const char* const GpuService::SERVICE_NAME = "gpu";
GpuService::GpuService() {}
status_t GpuService::shellCommand(int /*in*/, int out, int err,
Vector<String16>& args)
{
ALOGV("GpuService::shellCommand");
for (size_t i = 0, n = args.size(); i < n; i++)
ALOGV(" arg[%zu]: '%s'", i, String8(args[i]).string());
if (args.size() >= 1) {
if (args[0] == String16("vkjson"))
return cmd_vkjson(out, err);
if (args[0] == String16("help"))
return cmd_help(out);
}
// no command, or unrecognized command
cmd_help(err);
return BAD_VALUE;
}
// ----------------------------------------------------------------------------
namespace {
status_t cmd_help(int out) {
FILE* outs = fdopen(out, "w");
if (!outs) {
ALOGE("vkjson: failed to create out stream: %s (%d)", strerror(errno),
errno);
return BAD_VALUE;
}
fprintf(outs,
"GPU Service commands:\n"
" vkjson dump Vulkan properties as JSON\n");
fclose(outs);
return NO_ERROR;
}
void vkjsonPrint(FILE* out) {
std::string json = VkJsonInstanceToJson(VkJsonGetInstance());
fwrite(json.data(), 1, json.size(), out);
fputc('\n', out);
}
status_t cmd_vkjson(int out, int /*err*/) {
FILE* outs = fdopen(out, "w");
if (!outs) {
int errnum = errno;
ALOGE("vkjson: failed to create output stream: %s", strerror(errnum));
return -errnum;
}
vkjsonPrint(outs);
fclose(outs);
return NO_ERROR;
}
} // anonymous namespace
} // namespace android
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