src/api/async_resource.cc

#include "node.h"
#include "env-inl.h"

namespace node {

using v8::Function;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::Object;
using v8::String;
using v8::Value;

AsyncResource::AsyncResource(Isolate* isolate,
                             Local<Object> resource,
                             const char* name,
                             async_id trigger_async_id)
    : env_(Environment::GetCurrent(isolate)),
      resource_(isolate, resource) {
  CHECK_NOT_NULL(env_);
  async_context_ = EmitAsyncInit(isolate, resource, name,
                                 trigger_async_id);
}

AsyncResource::~AsyncResource() {
  EmitAsyncDestroy(env_, async_context_);
}

MaybeLocal<Value> AsyncResource::MakeCallback(Local<Function> callback,
                                              int argc,
                                              Local<Value>* argv) {
  return node::MakeCallback(env_->isolate(), get_resource(),
                            callback, argc, argv,
                            async_context_);
}

MaybeLocal<Value> AsyncResource::MakeCallback(const char* method,
                                              int argc,
                                              Local<Value>* argv) {
  return node::MakeCallback(env_->isolate(), get_resource(),
                            method, argc, argv,
                            async_context_);
}

MaybeLocal<Value> AsyncResource::MakeCallback(Local<String> symbol,
                                              int argc,
                                              Local<Value>* argv) {
  return node::MakeCallback(env_->isolate(), get_resource(),
                            symbol, argc, argv,
                            async_context_);
}

Local<Object> AsyncResource::get_resource() {
  return resource_.Get(env_->isolate());
}

async_id AsyncResource::get_async_id() const {
  return async_context_.async_id;
}

async_id AsyncResource::get_trigger_async_id() const {
  return async_context_.trigger_async_id;
}

// TODO(addaleax): We shouldn’t need to use env_->isolate() if we’re just going
// to end up using the Isolate* to figure out the Environment* again.
AsyncResource::CallbackScope::CallbackScope(AsyncResource* res)
    : node::CallbackScope(res->env_->isolate(),
                          res->resource_.Get(res->env_->isolate()),
                          res->async_context_) {}

}  // namespace node