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#include "node_main_instance.h"
#include <memory>
#if HAVE_OPENSSL
#include "crypto/crypto_util.h"
#endif // HAVE_OPENSSL
#include "debug_utils-inl.h"
#include "node_builtins.h"
#include "node_external_reference.h"
#include "node_internals.h"
#include "node_options-inl.h"
#include "node_realm.h"
#include "node_sea.h"
#include "node_snapshot_builder.h"
#include "node_snapshotable.h"
#include "node_v8_platform-inl.h"
#include "util-inl.h"
#if defined(LEAK_SANITIZER)
#include <sanitizer/lsan_interface.h>
#endif
#if HAVE_INSPECTOR
#include "inspector/worker_inspector.h" // ParentInspectorHandle
#endif
namespace node {
using v8::Context;
using v8::HandleScope;
using v8::Isolate;
using v8::Local;
using v8::Locker;
NodeMainInstance::NodeMainInstance(const SnapshotData* snapshot_data,
uv_loop_t* event_loop,
MultiIsolatePlatform* platform,
const std::vector<std::string>& args,
const std::vector<std::string>& exec_args)
: args_(args),
exec_args_(exec_args),
array_buffer_allocator_(ArrayBufferAllocator::Create()),
isolate_(nullptr),
platform_(platform),
isolate_data_(),
isolate_params_(std::make_unique<Isolate::CreateParams>()),
snapshot_data_(snapshot_data) {
isolate_params_->array_buffer_allocator = array_buffer_allocator_.get();
isolate_ =
NewIsolate(isolate_params_.get(), event_loop, platform, snapshot_data);
CHECK_NOT_NULL(isolate_);
// If the indexes are not nullptr, we are not deserializing
isolate_data_.reset(
CreateIsolateData(isolate_,
event_loop,
platform,
array_buffer_allocator_.get(),
snapshot_data->AsEmbedderWrapper().get()));
isolate_data_->max_young_gen_size =
isolate_params_->constraints.max_young_generation_size_in_bytes();
}
NodeMainInstance::~NodeMainInstance() {
if (isolate_params_ == nullptr) {
return;
}
// This should only be done on a main instance that owns its isolate.
platform_->UnregisterIsolate(isolate_);
isolate_->Dispose();
}
ExitCode NodeMainInstance::Run() {
Locker locker(isolate_);
Isolate::Scope isolate_scope(isolate_);
HandleScope handle_scope(isolate_);
ExitCode exit_code = ExitCode::kNoFailure;
DeleteFnPtr<Environment, FreeEnvironment> env =
CreateMainEnvironment(&exit_code);
CHECK_NOT_NULL(env);
Context::Scope context_scope(env->context());
Run(&exit_code, env.get());
return exit_code;
}
void NodeMainInstance::Run(ExitCode* exit_code, Environment* env) {
if (*exit_code == ExitCode::kNoFailure) {
bool is_sea = false;
#ifndef DISABLE_SINGLE_EXECUTABLE_APPLICATION
if (sea::IsSingleExecutable()) {
is_sea = true;
LoadEnvironment(env, sea::FindSingleExecutableCode());
}
#endif
if (!is_sea) {
LoadEnvironment(env, StartExecutionCallback{});
}
*exit_code =
SpinEventLoopInternal(env).FromMaybe(ExitCode::kGenericUserError);
}
#if defined(LEAK_SANITIZER)
__lsan_do_leak_check();
#endif
}
DeleteFnPtr<Environment, FreeEnvironment>
NodeMainInstance::CreateMainEnvironment(ExitCode* exit_code) {
*exit_code = ExitCode::kNoFailure; // Reset the exit code to 0
HandleScope handle_scope(isolate_);
// TODO(addaleax): This should load a real per-Isolate option, currently
// this is still effectively per-process.
if (isolate_data_->options()->track_heap_objects) {
isolate_->GetHeapProfiler()->StartTrackingHeapObjects(true);
}
Local<Context> context;
DeleteFnPtr<Environment, FreeEnvironment> env;
if (snapshot_data_ != nullptr) {
env.reset(CreateEnvironment(isolate_data_.get(),
Local<Context>(), // read from snapshot
args_,
exec_args_));
#if HAVE_OPENSSL
crypto::InitCryptoOnce(isolate_);
#endif // HAVE_OPENSSL
} else {
context = NewContext(isolate_);
CHECK(!context.IsEmpty());
Context::Scope context_scope(context);
env.reset(
CreateEnvironment(isolate_data_.get(), context, args_, exec_args_));
}
return env;
}
} // namespace node
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