| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| #include "handle_wrap.h" |
| #include "async_wrap-inl.h" |
| #include "env-inl.h" |
| #include "util-inl.h" |
| |
| namespace node { |
| |
| using v8::Context; |
| using v8::FunctionCallbackInfo; |
| using v8::FunctionTemplate; |
| using v8::HandleScope; |
| using v8::Local; |
| using v8::Object; |
| using v8::Value; |
| |
| |
| void HandleWrap::Ref(const FunctionCallbackInfo<Value>& args) { |
| HandleWrap* wrap; |
| ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder()); |
| |
| if (IsAlive(wrap)) |
| uv_ref(wrap->GetHandle()); |
| } |
| |
| |
| void HandleWrap::Unref(const FunctionCallbackInfo<Value>& args) { |
| HandleWrap* wrap; |
| ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder()); |
| |
| if (IsAlive(wrap)) |
| uv_unref(wrap->GetHandle()); |
| } |
| |
| |
| void HandleWrap::HasRef(const FunctionCallbackInfo<Value>& args) { |
| HandleWrap* wrap; |
| ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder()); |
| args.GetReturnValue().Set(HasRef(wrap)); |
| } |
| |
| |
| void HandleWrap::Close(const FunctionCallbackInfo<Value>& args) { |
| HandleWrap* wrap; |
| ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder()); |
| |
| wrap->Close(args[0]); |
| } |
| |
| void HandleWrap::Close(Local<Value> close_callback) { |
| if (state_ != kInitialized) |
| return; |
| |
| uv_close(handle_, OnClose); |
| state_ = kClosing; |
| |
| if (!close_callback.IsEmpty() && close_callback->IsFunction() && |
| !persistent().IsEmpty()) { |
| object()->Set(env()->context(), |
| env()->handle_onclose_symbol(), |
| close_callback).Check(); |
| } |
| } |
| |
| |
| void HandleWrap::OnGCCollect() { |
| Close(); |
| } |
| |
| |
| void HandleWrap::MarkAsInitialized() { |
| env()->handle_wrap_queue()->PushBack(this); |
| state_ = kInitialized; |
| } |
| |
| |
| void HandleWrap::MarkAsUninitialized() { |
| handle_wrap_queue_.Remove(); |
| state_ = kClosed; |
| } |
| |
| |
| HandleWrap::HandleWrap(Environment* env, |
| Local<Object> object, |
| uv_handle_t* handle, |
| AsyncWrap::ProviderType provider) |
| : AsyncWrap(env, object, provider), |
| state_(kInitialized), |
| handle_(handle) { |
| handle_->data = this; |
| HandleScope scope(env->isolate()); |
| CHECK(env->has_run_bootstrapping_code()); |
| env->handle_wrap_queue()->PushBack(this); |
| } |
| |
| |
| void HandleWrap::OnClose(uv_handle_t* handle) { |
| CHECK_NOT_NULL(handle->data); |
| BaseObjectPtr<HandleWrap> wrap { static_cast<HandleWrap*>(handle->data) }; |
| wrap->Detach(); |
| |
| Environment* env = wrap->env(); |
| HandleScope scope(env->isolate()); |
| Context::Scope context_scope(env->context()); |
| |
| CHECK_EQ(wrap->state_, kClosing); |
| |
| wrap->state_ = kClosed; |
| |
| wrap->OnClose(); |
| wrap->handle_wrap_queue_.Remove(); |
| |
| if (!wrap->persistent().IsEmpty() && |
| wrap->object()->Has(env->context(), env->handle_onclose_symbol()) |
| .FromMaybe(false)) { |
| wrap->MakeCallback(env->handle_onclose_symbol(), 0, nullptr); |
| } |
| } |
| |
| Local<FunctionTemplate> HandleWrap::GetConstructorTemplate(Environment* env) { |
| Local<FunctionTemplate> tmpl = env->handle_wrap_ctor_template(); |
| if (tmpl.IsEmpty()) { |
| tmpl = env->NewFunctionTemplate(nullptr); |
| tmpl->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "HandleWrap")); |
| tmpl->Inherit(AsyncWrap::GetConstructorTemplate(env)); |
| env->SetProtoMethod(tmpl, "close", HandleWrap::Close); |
| env->SetProtoMethodNoSideEffect(tmpl, "hasRef", HandleWrap::HasRef); |
| env->SetProtoMethod(tmpl, "ref", HandleWrap::Ref); |
| env->SetProtoMethod(tmpl, "unref", HandleWrap::Unref); |
| env->set_handle_wrap_ctor_template(tmpl); |
| } |
| return tmpl; |
| } |
| |
| |
| } // namespace node |