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#ifndef SRC_NODE_MAIN_INSTANCE_H_ #define SRC_NODE_MAIN_INSTANCE_H_ #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS #include <cstddef> #include <memory> #include "node.h" #include "util.h" #include "uv.h" #include "v8.h" namespace node { // TODO(joyeecheung): align this with the Worker/WorkerThreadData class. // We may be able to create an abstract class to reuse some of the routines. class NodeMainInstance { public: // To create a main instance that does not own the isolate, // The caller needs to do: // // Isolate* isolate = Isolate::Allocate(); // platform->RegisterIsolate(isolate, loop); // isolate->Initialize(...); // isolate->Enter(); // std::unique_ptr<NodeMainInstance> main_instance = // NodeMainInstance::Create(isolate, loop, args, exec_args); // // When tearing it down: // // main_instance->Cleanup(); // While the isolate is entered // isolate->Exit(); // isolate->Dispose(); // platform->UnregisterIsolate(isolate); // // After calling Dispose() the main_instance is no longer accessible. static std::unique_ptr<NodeMainInstance> Create( v8::Isolate* isolate, uv_loop_t* event_loop, MultiIsolatePlatform* platform, const std::vector<std::string>& args, const std::vector<std::string>& exec_args); void Dispose(); // Create a main instance that owns the isolate NodeMainInstance( v8::Isolate::CreateParams* params, uv_loop_t* event_loop, MultiIsolatePlatform* platform, const std::vector<std::string>& args, const std::vector<std::string>& exec_args, const std::vector<size_t>* per_isolate_data_indexes = nullptr); ~NodeMainInstance(); // Start running the Node.js instances, return the exit code when finished. int Run(); IsolateData* isolate_data() { return isolate_data_.get(); } // TODO(joyeecheung): align this with the CreateEnvironment exposed in node.h // and the environment creation routine in workers somehow. std::unique_ptr<Environment> CreateMainEnvironment(int* exit_code); // If nullptr is returned, the binary is not built with embedded // snapshot. static const std::vector<size_t>* GetIsolateDataIndexes(); static v8::StartupData* GetEmbeddedSnapshotBlob(); static const size_t kNodeContextIndex = 0; NodeMainInstance(const NodeMainInstance&) = delete; NodeMainInstance& operator=(const NodeMainInstance&) = delete; NodeMainInstance(NodeMainInstance&&) = delete; NodeMainInstance& operator=(NodeMainInstance&&) = delete; private: NodeMainInstance(v8::Isolate* isolate, uv_loop_t* event_loop, MultiIsolatePlatform* platform, const std::vector<std::string>& args, const std::vector<std::string>& exec_args); std::vector<std::string> args_; std::vector<std::string> exec_args_; std::unique_ptr<ArrayBufferAllocator> array_buffer_allocator_; v8::Isolate* isolate_; MultiIsolatePlatform* platform_; std::unique_ptr<IsolateData> isolate_data_; bool owns_isolate_ = false; bool deserialize_mode_ = false; }; } // namespace node #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS #endif // SRC_NODE_MAIN_INSTANCE_H_