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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/devtools/protocol/system_info_handler.h"
#include <stdint.h>
#include <utility>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/public/browser/gpu_data_manager.h"
#include "gpu/config/gpu_feature_type.h"
#include "gpu/config/gpu_info.h"
#include "gpu/config/gpu_switches.h"
namespace content {
namespace protocol {
namespace {
using SystemInfo::GPUDevice;
using SystemInfo::GPUInfo;
using GetInfoCallback = SystemInfo::Backend::GetInfoCallback;
// Give the GPU process a few seconds to provide GPU info.
const int kGPUInfoWatchdogTimeoutMs = 5000;
class AuxGPUInfoEnumerator : public gpu::GPUInfo::Enumerator {
public:
AuxGPUInfoEnumerator(protocol::DictionaryValue* dictionary)
: dictionary_(dictionary),
in_aux_attributes_(false) { }
void AddInt64(const char* name, int64_t value) override {
if (in_aux_attributes_)
dictionary_->setDouble(name, value);
}
void AddInt(const char* name, int value) override {
if (in_aux_attributes_)
dictionary_->setInteger(name, value);
}
void AddString(const char* name, const std::string& value) override {
if (in_aux_attributes_)
dictionary_->setString(name, value);
}
void AddBool(const char* name, bool value) override {
if (in_aux_attributes_)
dictionary_->setBoolean(name, value);
}
void AddTimeDeltaInSecondsF(const char* name,
const base::TimeDelta& value) override {
if (in_aux_attributes_)
dictionary_->setDouble(name, value.InSecondsF());
}
void BeginGPUDevice() override {}
void EndGPUDevice() override {}
void BeginVideoDecodeAcceleratorSupportedProfile() override {}
void EndVideoDecodeAcceleratorSupportedProfile() override {}
void BeginVideoEncodeAcceleratorSupportedProfile() override {}
void EndVideoEncodeAcceleratorSupportedProfile() override {}
void BeginAuxAttributes() override {
in_aux_attributes_ = true;
}
void EndAuxAttributes() override {
in_aux_attributes_ = false;
}
private:
protocol::DictionaryValue* dictionary_;
bool in_aux_attributes_;
};
std::unique_ptr<GPUDevice> GPUDeviceToProtocol(
const gpu::GPUInfo::GPUDevice& device) {
return GPUDevice::Create().SetVendorId(device.vendor_id)
.SetDeviceId(device.device_id)
.SetVendorString(device.vendor_string)
.SetDeviceString(device.device_string)
.Build();
}
void SendGetInfoResponse(std::unique_ptr<GetInfoCallback> callback) {
gpu::GPUInfo gpu_info = GpuDataManager::GetInstance()->GetGPUInfo();
std::unique_ptr<protocol::Array<GPUDevice>> devices =
protocol::Array<GPUDevice>::create();
devices->addItem(GPUDeviceToProtocol(gpu_info.gpu));
for (const auto& device : gpu_info.secondary_gpus)
devices->addItem(GPUDeviceToProtocol(device));
std::unique_ptr<protocol::DictionaryValue> aux_attributes =
protocol::DictionaryValue::create();
AuxGPUInfoEnumerator enumerator(aux_attributes.get());
gpu_info.EnumerateFields(&enumerator);
std::unique_ptr<base::DictionaryValue> base_feature_status =
GetFeatureStatus();
std::unique_ptr<protocol::DictionaryValue> feature_status =
protocol::DictionaryValue::cast(
protocol::toProtocolValue(base_feature_status.get(), 1000));
std::unique_ptr<protocol::Array<std::string>> driver_bug_workarounds =
protocol::Array<std::string>::create();
for (const std::string& s : GetDriverBugWorkarounds())
driver_bug_workarounds->addItem(s);
std::unique_ptr<GPUInfo> gpu = GPUInfo::Create()
.SetDevices(std::move(devices))
.SetAuxAttributes(std::move(aux_attributes))
.SetFeatureStatus(std::move(feature_status))
.SetDriverBugWorkarounds(std::move(driver_bug_workarounds))
.Build();
base::CommandLine* command = base::CommandLine::ForCurrentProcess();
#if defined(OS_WIN)
std::string command_string =
base::WideToUTF8(command->GetCommandLineString());
#else
std::string command_string = command->GetCommandLineString();
#endif
callback->sendSuccess(std::move(gpu), gpu_info.machine_model_name,
gpu_info.machine_model_version, command_string);
}
} // namespace
class SystemInfoHandlerGpuObserver : public content::GpuDataManagerObserver {
public:
explicit SystemInfoHandlerGpuObserver(
std::unique_ptr<GetInfoCallback> callback)
: callback_(std::move(callback)),
weak_factory_(this) {
BrowserThread::PostDelayedTask(
BrowserThread::UI, FROM_HERE,
base::BindOnce(&SystemInfoHandlerGpuObserver::ObserverWatchdogCallback,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kGPUInfoWatchdogTimeoutMs));
GpuDataManager::GetInstance()->AddObserver(this);
// There's no other method available to request just essential GPU info.
GpuDataManager::GetInstance()->RequestCompleteGpuInfoIfNeeded();
}
void OnGpuInfoUpdate() override {
UnregisterAndSendResponse();
}
void OnGpuProcessCrashed(base::TerminationStatus exit_code) override {
UnregisterAndSendResponse();
}
void ObserverWatchdogCallback() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
UnregisterAndSendResponse();
}
void UnregisterAndSendResponse() {
GpuDataManager::GetInstance()->RemoveObserver(this);
SendGetInfoResponse(std::move(callback_));
delete this;
}
private:
std::unique_ptr<GetInfoCallback> callback_;
base::WeakPtrFactory<SystemInfoHandlerGpuObserver> weak_factory_;
};
SystemInfoHandler::SystemInfoHandler()
: DevToolsDomainHandler(SystemInfo::Metainfo::domainName) {
}
SystemInfoHandler::~SystemInfoHandler() {
}
void SystemInfoHandler::Wire(UberDispatcher* dispatcher) {
SystemInfo::Dispatcher::wire(dispatcher, this);
}
void SystemInfoHandler::GetInfo(
std::unique_ptr<GetInfoCallback> callback) {
std::string reason;
if (!GpuDataManager::GetInstance()->GpuAccessAllowed(&reason) ||
GpuDataManager::GetInstance()->IsEssentialGpuInfoAvailable() ||
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kGpuTestingNoCompleteInfoCollection)) {
// The GpuDataManager already has all of the information needed to make
// GPU-based blacklisting decisions. Post a task to give it to the
// client asynchronously.
//
// Waiting for complete GPU info in the if-test above seems to
// frequently hit internal timeouts in the launching of the unsandboxed
// GPU process in debug builds on Windows.
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::BindOnce(&SendGetInfoResponse,
base::Passed(std::move(callback))));
} else {
// We will be able to get more information from the GpuDataManager.
// Register a transient observer with it to call us back when the
// information is available.
new SystemInfoHandlerGpuObserver(std::move(callback));
}
}
} // namespace protocol
} // namespace content
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