src: create worker per isolate properties

PR-URL: nodejs#48655
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>

Author: legendecas

src/node_binding.h

@@ -37,10 +37,11 @@ static_assert(static_cast<int>(NM_F_LINKED) ==
   V(contextify)                                                                \
   V(encoding_binding)                                                          \
   V(fs)                                                                        \
+  V(messaging)                                                                 \
   V(mksnapshot)                                                                \
-  V(timers)                                                                    \
-  V(process_methods)                                                           \
   V(performance)                                                               \
+  V(process_methods)                                                           \
+  V(timers)                                                                    \
   V(url)                                                                       \
   V(worker)                                                                    \
   NODE_BUILTIN_ICU_BINDINGS(V)

src/node_messaging.cc

@@ -30,6 +30,7 @@ using v8::Maybe;
 using v8::MaybeLocal;
 using v8::Nothing;
 using v8::Object;
+using v8::ObjectTemplate;
 using v8::SharedArrayBuffer;
 using v8::SharedValueConveyor;
 using v8::String;
@@ -717,7 +718,8 @@ MessagePort* MessagePort::New(
     std::unique_ptr<MessagePortData> data,
     std::shared_ptr<SiblingGroup> sibling_group) {
   Context::Scope context_scope(context);
-  Local<FunctionTemplate> ctor_templ = GetMessagePortConstructorTemplate(env);
+  Local<FunctionTemplate> ctor_templ =
+      GetMessagePortConstructorTemplate(env->isolate_data());
 
   // Construct a new instance, then assign the listener instance and possibly
   // the MessagePortData to it.
@@ -1116,7 +1118,8 @@ void MessagePort::Stop(const FunctionCallbackInfo<Value>& args) {
 void MessagePort::CheckType(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   args.GetReturnValue().Set(
-      GetMessagePortConstructorTemplate(env)->HasInstance(args[0]));
+      GetMessagePortConstructorTemplate(env->isolate_data())
+          ->HasInstance(args[0]));
 }
 
 void MessagePort::Drain(const FunctionCallbackInfo<Value>& args) {
@@ -1193,28 +1196,30 @@ void MessagePort::MemoryInfo(MemoryTracker* tracker) const {
   tracker->TrackField("emit_message_fn", emit_message_fn_);
 }
 
-Local<FunctionTemplate> GetMessagePortConstructorTemplate(Environment* env) {
+Local<FunctionTemplate> GetMessagePortConstructorTemplate(
+    IsolateData* isolate_data) {
   // Factor generating the MessagePort JS constructor into its own piece
   // of code, because it is needed early on in the child environment setup.
-  Local<FunctionTemplate> templ = env->message_port_constructor_template();
+  Local<FunctionTemplate> templ =
+      isolate_data->message_port_constructor_template();
   if (!templ.IsEmpty())
     return templ;
 
   {
-    Isolate* isolate = env->isolate();
+    Isolate* isolate = isolate_data->isolate();
     Local<FunctionTemplate> m = NewFunctionTemplate(isolate, MessagePort::New);
-    m->SetClassName(env->message_port_constructor_string());
+    m->SetClassName(isolate_data->message_port_constructor_string());
     m->InstanceTemplate()->SetInternalFieldCount(
         MessagePort::kInternalFieldCount);
-    m->Inherit(HandleWrap::GetConstructorTemplate(env));
+    m->Inherit(HandleWrap::GetConstructorTemplate(isolate_data));
 
     SetProtoMethod(isolate, m, "postMessage", MessagePort::PostMessage);
     SetProtoMethod(isolate, m, "start", MessagePort::Start);
 
-    env->set_message_port_constructor_template(m);
+    isolate_data->set_message_port_constructor_template(m);
   }
 
-  return GetMessagePortConstructorTemplate(env);
+  return GetMessagePortConstructorTemplate(isolate_data);
 }
 
 // static
@@ -1636,15 +1641,12 @@ static void BroadcastChannel(const FunctionCallbackInfo<Value>& args) {
   }
 }
 
-static void InitMessaging(Local<Object> target,
-                          Local<Value> unused,
-                          Local<Context> context,
-                          void* priv) {
-  Environment* env = Environment::GetCurrent(context);
-  Isolate* isolate = env->isolate();
+static void CreatePerIsolateProperties(IsolateData* isolate_data,
+                                       Local<ObjectTemplate> target) {
+  Isolate* isolate = isolate_data->isolate();
 
   {
-    SetConstructorFunction(context,
+    SetConstructorFunction(isolate,
                            target,
                            "MessageChannel",
                            NewFunctionTemplate(isolate, MessageChannel));
@@ -1655,31 +1657,36 @@ static void InitMessaging(Local<Object> target,
     t->InstanceTemplate()->SetInternalFieldCount(
         JSTransferable::kInternalFieldCount);
     t->SetClassName(OneByteString(isolate, "JSTransferable"));
-    env->isolate_data()->set_js_transferable_constructor_template(t);
+    isolate_data->set_js_transferable_constructor_template(t);
   }
 
-  SetConstructorFunction(context,
+  SetConstructorFunction(isolate,
                          target,
-                         env->message_port_constructor_string(),
-                         GetMessagePortConstructorTemplate(env),
-                         SetConstructorFunctionFlag::NONE);
+                         isolate_data->message_port_constructor_string(),
+                         GetMessagePortConstructorTemplate(isolate_data));
 
   // These are not methods on the MessagePort prototype, because
   // the browser equivalents do not provide them.
-  SetMethod(context, target, "stopMessagePort", MessagePort::Stop);
-  SetMethod(context, target, "checkMessagePort", MessagePort::CheckType);
-  SetMethod(context, target, "drainMessagePort", MessagePort::Drain);
+  SetMethod(isolate, target, "stopMessagePort", MessagePort::Stop);
+  SetMethod(isolate, target, "checkMessagePort", MessagePort::CheckType);
+  SetMethod(isolate, target, "drainMessagePort", MessagePort::Drain);
   SetMethod(
-      context, target, "receiveMessageOnPort", MessagePort::ReceiveMessage);
+      isolate, target, "receiveMessageOnPort", MessagePort::ReceiveMessage);
   SetMethod(
-      context, target, "moveMessagePortToContext", MessagePort::MoveToContext);
-  SetMethod(context,
+      isolate, target, "moveMessagePortToContext", MessagePort::MoveToContext);
+  SetMethod(isolate,
             target,
             "setDeserializerCreateObjectFunction",
             SetDeserializerCreateObjectFunction);
-  SetMethod(context, target, "broadcastChannel", BroadcastChannel);
-  SetMethod(context, target, "structuredClone", StructuredClone);
+  SetMethod(isolate, target, "broadcastChannel", BroadcastChannel);
+  SetMethod(isolate, target, "structuredClone", StructuredClone);
+}
 
+static void CreatePerContextProperties(Local<Object> target,
+                                       Local<Value> unused,
+                                       Local<Context> context,
+                                       void* priv) {
+  Environment* env = Environment::GetCurrent(context);
   {
     Local<Function> domexception = GetDOMException(context).ToLocalChecked();
     target
@@ -1710,6 +1717,9 @@ static void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
 }  // namespace worker
 }  // namespace node
 
-NODE_BINDING_CONTEXT_AWARE_INTERNAL(messaging, node::worker::InitMessaging)
+NODE_BINDING_CONTEXT_AWARE_INTERNAL(messaging,
+                                    node::worker::CreatePerContextProperties)
+NODE_BINDING_PER_ISOLATE_INIT(messaging,
+                              node::worker::CreatePerIsolateProperties)
 NODE_BINDING_EXTERNAL_REFERENCE(messaging,
                                 node::worker::RegisterExternalReferences)

src/node_messaging.h

@@ -379,7 +379,7 @@ class JSTransferable : public BaseObject {
 };
 
 v8::Local<v8::FunctionTemplate> GetMessagePortConstructorTemplate(
-    Environment* env);
+    IsolateData* isolate_data);
 
 }  // namespace worker
 }  // namespace node