358 lines
12 KiB
C++
358 lines
12 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "shell/common/api/electron_bindings.h"
|
|
|
|
#include <algorithm>
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/process/process.h"
|
|
#include "base/process/process_handle.h"
|
|
#include "base/process/process_metrics_iocounters.h"
|
|
#include "base/system/sys_info.h"
|
|
#include "base/threading/thread_restrictions.h"
|
|
#include "chrome/common/chrome_version.h"
|
|
#include "electron/electron_version.h"
|
|
#include "services/resource_coordinator/public/cpp/memory_instrumentation/global_memory_dump.h"
|
|
#include "services/resource_coordinator/public/cpp/memory_instrumentation/memory_instrumentation.h"
|
|
#include "shell/browser/browser.h"
|
|
#include "shell/common/application_info.h"
|
|
#include "shell/common/gin_converters/file_path_converter.h"
|
|
#include "shell/common/gin_helper/dictionary.h"
|
|
#include "shell/common/gin_helper/locker.h"
|
|
#include "shell/common/gin_helper/microtasks_scope.h"
|
|
#include "shell/common/gin_helper/promise.h"
|
|
#include "shell/common/heap_snapshot.h"
|
|
#include "shell/common/node_includes.h"
|
|
#include "third_party/blink/renderer/platform/heap/process_heap.h" // nogncheck
|
|
|
|
namespace electron {
|
|
|
|
namespace {
|
|
|
|
// Called when there is a fatal error in V8, we just crash the process here so
|
|
// we can get the stack trace.
|
|
void FatalErrorCallback(const char* location, const char* message) {
|
|
LOG(ERROR) << "Fatal error in V8: " << location << " " << message;
|
|
ElectronBindings::Crash();
|
|
}
|
|
|
|
} // namespace
|
|
|
|
ElectronBindings::ElectronBindings(uv_loop_t* loop) {
|
|
uv_async_init(loop, &call_next_tick_async_, OnCallNextTick);
|
|
call_next_tick_async_.data = this;
|
|
metrics_ = base::ProcessMetrics::CreateCurrentProcessMetrics();
|
|
}
|
|
|
|
ElectronBindings::~ElectronBindings() {
|
|
uv_close(reinterpret_cast<uv_handle_t*>(&call_next_tick_async_), nullptr);
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::BindProcess(v8::Isolate* isolate,
|
|
gin_helper::Dictionary* process,
|
|
base::ProcessMetrics* metrics) {
|
|
// These bindings are shared between sandboxed & unsandboxed renderers
|
|
process->SetMethod("crash", &Crash);
|
|
process->SetMethod("hang", &Hang);
|
|
process->SetMethod("log", &Log);
|
|
process->SetMethod("getCreationTime", &GetCreationTime);
|
|
process->SetMethod("getHeapStatistics", &GetHeapStatistics);
|
|
process->SetMethod("getBlinkMemoryInfo", &GetBlinkMemoryInfo);
|
|
process->SetMethod("getProcessMemoryInfo", &GetProcessMemoryInfo);
|
|
process->SetMethod("getSystemMemoryInfo", &GetSystemMemoryInfo);
|
|
process->SetMethod("getSystemVersion",
|
|
&base::SysInfo::OperatingSystemVersion);
|
|
process->SetMethod("getIOCounters", &GetIOCounters);
|
|
process->SetMethod("getCPUUsage",
|
|
base::BindRepeating(&ElectronBindings::GetCPUUsage,
|
|
base::Unretained(metrics)));
|
|
|
|
#if defined(MAS_BUILD)
|
|
process->SetReadOnly("mas", true);
|
|
#endif
|
|
|
|
#if defined(OS_WIN)
|
|
if (IsRunningInDesktopBridge())
|
|
process->SetReadOnly("windowsStore", true);
|
|
#endif
|
|
}
|
|
|
|
void ElectronBindings::BindTo(v8::Isolate* isolate,
|
|
v8::Local<v8::Object> process) {
|
|
isolate->SetFatalErrorHandler(FatalErrorCallback);
|
|
|
|
gin_helper::Dictionary dict(isolate, process);
|
|
BindProcess(isolate, &dict, metrics_.get());
|
|
|
|
dict.SetMethod("takeHeapSnapshot", &TakeHeapSnapshot);
|
|
#if defined(OS_POSIX)
|
|
dict.SetMethod("setFdLimit", &base::IncreaseFdLimitTo);
|
|
#endif
|
|
dict.SetMethod("activateUvLoop",
|
|
base::BindRepeating(&ElectronBindings::ActivateUVLoop,
|
|
base::Unretained(this)));
|
|
|
|
gin_helper::Dictionary versions;
|
|
if (dict.Get("versions", &versions)) {
|
|
versions.SetReadOnly(ELECTRON_PROJECT_NAME, ELECTRON_VERSION_STRING);
|
|
versions.SetReadOnly("chrome", CHROME_VERSION_STRING);
|
|
}
|
|
}
|
|
|
|
void ElectronBindings::EnvironmentDestroyed(node::Environment* env) {
|
|
auto it =
|
|
std::find(pending_next_ticks_.begin(), pending_next_ticks_.end(), env);
|
|
if (it != pending_next_ticks_.end())
|
|
pending_next_ticks_.erase(it);
|
|
}
|
|
|
|
void ElectronBindings::ActivateUVLoop(v8::Isolate* isolate) {
|
|
node::Environment* env = node::Environment::GetCurrent(isolate);
|
|
if (std::find(pending_next_ticks_.begin(), pending_next_ticks_.end(), env) !=
|
|
pending_next_ticks_.end())
|
|
return;
|
|
|
|
pending_next_ticks_.push_back(env);
|
|
uv_async_send(&call_next_tick_async_);
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::OnCallNextTick(uv_async_t* handle) {
|
|
ElectronBindings* self = static_cast<ElectronBindings*>(handle->data);
|
|
for (std::list<node::Environment*>::const_iterator it =
|
|
self->pending_next_ticks_.begin();
|
|
it != self->pending_next_ticks_.end(); ++it) {
|
|
node::Environment* env = *it;
|
|
gin_helper::Locker locker(env->isolate());
|
|
v8::Context::Scope context_scope(env->context());
|
|
v8::HandleScope handle_scope(env->isolate());
|
|
node::InternalCallbackScope scope(env, v8::Object::New(env->isolate()),
|
|
{0, 0},
|
|
node::InternalCallbackScope::kNoFlags);
|
|
}
|
|
|
|
self->pending_next_ticks_.clear();
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::Log(const base::string16& message) {
|
|
std::cout << message << std::flush;
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::Crash() {
|
|
volatile int* zero = nullptr;
|
|
*zero = 0;
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::Hang() {
|
|
for (;;)
|
|
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetHeapStatistics(v8::Isolate* isolate) {
|
|
v8::HeapStatistics v8_heap_stats;
|
|
isolate->GetHeapStatistics(&v8_heap_stats);
|
|
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
dict.SetHidden("simple", true);
|
|
dict.Set("totalHeapSize",
|
|
static_cast<double>(v8_heap_stats.total_heap_size() >> 10));
|
|
dict.Set(
|
|
"totalHeapSizeExecutable",
|
|
static_cast<double>(v8_heap_stats.total_heap_size_executable() >> 10));
|
|
dict.Set("totalPhysicalSize",
|
|
static_cast<double>(v8_heap_stats.total_physical_size() >> 10));
|
|
dict.Set("totalAvailableSize",
|
|
static_cast<double>(v8_heap_stats.total_available_size() >> 10));
|
|
dict.Set("usedHeapSize",
|
|
static_cast<double>(v8_heap_stats.used_heap_size() >> 10));
|
|
dict.Set("heapSizeLimit",
|
|
static_cast<double>(v8_heap_stats.heap_size_limit() >> 10));
|
|
dict.Set("mallocedMemory",
|
|
static_cast<double>(v8_heap_stats.malloced_memory() >> 10));
|
|
dict.Set("peakMallocedMemory",
|
|
static_cast<double>(v8_heap_stats.peak_malloced_memory() >> 10));
|
|
dict.Set("doesZapGarbage",
|
|
static_cast<bool>(v8_heap_stats.does_zap_garbage()));
|
|
|
|
return dict.GetHandle();
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetCreationTime(v8::Isolate* isolate) {
|
|
auto timeValue = base::Process::Current().CreationTime();
|
|
if (timeValue.is_null()) {
|
|
return v8::Null(isolate);
|
|
}
|
|
double jsTime = timeValue.ToJsTime();
|
|
return v8::Number::New(isolate, jsTime);
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetSystemMemoryInfo(
|
|
v8::Isolate* isolate,
|
|
gin_helper::Arguments* args) {
|
|
base::SystemMemoryInfoKB mem_info;
|
|
if (!base::GetSystemMemoryInfo(&mem_info)) {
|
|
args->ThrowError("Unable to retrieve system memory information");
|
|
return v8::Undefined(isolate);
|
|
}
|
|
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
dict.SetHidden("simple", true);
|
|
dict.Set("total", mem_info.total);
|
|
|
|
// See Chromium's "base/process/process_metrics.h" for an explanation.
|
|
int free =
|
|
#if defined(OS_WIN)
|
|
mem_info.avail_phys;
|
|
#else
|
|
mem_info.free;
|
|
#endif
|
|
dict.Set("free", free);
|
|
|
|
// NB: These return bogus values on macOS
|
|
#if !defined(OS_MACOSX)
|
|
dict.Set("swapTotal", mem_info.swap_total);
|
|
dict.Set("swapFree", mem_info.swap_free);
|
|
#endif
|
|
|
|
return dict.GetHandle();
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Promise> ElectronBindings::GetProcessMemoryInfo(
|
|
v8::Isolate* isolate) {
|
|
gin_helper::Promise<gin_helper::Dictionary> promise(isolate);
|
|
v8::Local<v8::Promise> handle = promise.GetHandle();
|
|
|
|
if (gin_helper::Locker::IsBrowserProcess() && !Browser::Get()->is_ready()) {
|
|
promise.RejectWithErrorMessage(
|
|
"Memory Info is available only after app ready");
|
|
return handle;
|
|
}
|
|
|
|
v8::Global<v8::Context> context(isolate, isolate->GetCurrentContext());
|
|
memory_instrumentation::MemoryInstrumentation::GetInstance()
|
|
->RequestGlobalDumpForPid(
|
|
base::GetCurrentProcId(), std::vector<std::string>(),
|
|
base::BindOnce(&ElectronBindings::DidReceiveMemoryDump,
|
|
std::move(context), std::move(promise)));
|
|
return handle;
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetBlinkMemoryInfo(
|
|
v8::Isolate* isolate) {
|
|
auto allocated = blink::ProcessHeap::TotalAllocatedObjectSize();
|
|
auto total = blink::ProcessHeap::TotalAllocatedSpace();
|
|
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
dict.SetHidden("simple", true);
|
|
dict.Set("allocated", static_cast<double>(allocated >> 10));
|
|
dict.Set("total", static_cast<double>(total >> 10));
|
|
return dict.GetHandle();
|
|
}
|
|
|
|
// static
|
|
void ElectronBindings::DidReceiveMemoryDump(
|
|
v8::Global<v8::Context> context,
|
|
gin_helper::Promise<gin_helper::Dictionary> promise,
|
|
bool success,
|
|
std::unique_ptr<memory_instrumentation::GlobalMemoryDump> global_dump) {
|
|
v8::Isolate* isolate = promise.isolate();
|
|
gin_helper::Locker locker(isolate);
|
|
v8::HandleScope handle_scope(isolate);
|
|
gin_helper::MicrotasksScope microtasks_scope(isolate, true);
|
|
v8::Context::Scope context_scope(
|
|
v8::Local<v8::Context>::New(isolate, context));
|
|
|
|
if (!success) {
|
|
promise.RejectWithErrorMessage("Failed to create memory dump");
|
|
return;
|
|
}
|
|
|
|
bool resolved = false;
|
|
for (const memory_instrumentation::GlobalMemoryDump::ProcessDump& dump :
|
|
global_dump->process_dumps()) {
|
|
if (base::GetCurrentProcId() == dump.pid()) {
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
const auto& osdump = dump.os_dump();
|
|
#if defined(OS_LINUX) || defined(OS_WIN)
|
|
dict.Set("residentSet", osdump.resident_set_kb);
|
|
#endif
|
|
dict.Set("private", osdump.private_footprint_kb);
|
|
dict.Set("shared", osdump.shared_footprint_kb);
|
|
promise.Resolve(dict);
|
|
resolved = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!resolved) {
|
|
promise.RejectWithErrorMessage(
|
|
R"(Failed to find current process memory details in memory dump)");
|
|
}
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetCPUUsage(
|
|
base::ProcessMetrics* metrics,
|
|
v8::Isolate* isolate) {
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
dict.SetHidden("simple", true);
|
|
int processor_count = base::SysInfo::NumberOfProcessors();
|
|
dict.Set("percentCPUUsage",
|
|
metrics->GetPlatformIndependentCPUUsage() / processor_count);
|
|
|
|
// NB: This will throw NOTIMPLEMENTED() on Windows
|
|
// For backwards compatibility, we'll return 0
|
|
#if !defined(OS_WIN)
|
|
dict.Set("idleWakeupsPerSecond", metrics->GetIdleWakeupsPerSecond());
|
|
#else
|
|
dict.Set("idleWakeupsPerSecond", 0);
|
|
#endif
|
|
|
|
return dict.GetHandle();
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> ElectronBindings::GetIOCounters(v8::Isolate* isolate) {
|
|
auto metrics = base::ProcessMetrics::CreateCurrentProcessMetrics();
|
|
base::IoCounters io_counters;
|
|
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
|
|
dict.SetHidden("simple", true);
|
|
|
|
if (metrics->GetIOCounters(&io_counters)) {
|
|
dict.Set("readOperationCount", io_counters.ReadOperationCount);
|
|
dict.Set("writeOperationCount", io_counters.WriteOperationCount);
|
|
dict.Set("otherOperationCount", io_counters.OtherOperationCount);
|
|
dict.Set("readTransferCount", io_counters.ReadTransferCount);
|
|
dict.Set("writeTransferCount", io_counters.WriteTransferCount);
|
|
dict.Set("otherTransferCount", io_counters.OtherTransferCount);
|
|
}
|
|
|
|
return dict.GetHandle();
|
|
}
|
|
|
|
// static
|
|
bool ElectronBindings::TakeHeapSnapshot(v8::Isolate* isolate,
|
|
const base::FilePath& file_path) {
|
|
base::ThreadRestrictions::ScopedAllowIO allow_io;
|
|
|
|
base::File file(file_path,
|
|
base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
|
|
|
|
return electron::TakeHeapSnapshot(isolate, &file);
|
|
}
|
|
|
|
} // namespace electron
|