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#ifndef SRC_ASYNC_WRAP_INL_H_
#define SRC_ASYNC_WRAP_INL_H_
#include "async-wrap.h"
#include "base-object.h"
#include "base-object-inl.h"
#include "env.h"
#include "env-inl.h"
#include "node_internals.h"
#include "util.h"
#include "util-inl.h"
#include "v8.h"
namespace node {
inline AsyncWrap::AsyncWrap(Environment* env,
v8::Handle<v8::Object> object,
ProviderType provider,
AsyncWrap* parent)
: BaseObject(env, object), bits_(static_cast<uint32_t>(provider) << 1) {
// Only set wrapper class id if object will be Wrap'd.
if (object->InternalFieldCount() > 0)
// Shift provider value over to prevent id collision.
persistent().SetWrapperClassId(NODE_ASYNC_ID_OFFSET + provider);
// Check user controlled flag to see if the init callback should run.
if (!env->using_asyncwrap())
return;
// If callback hooks have not been enabled, and there is no parent, return.
if (!env->async_wrap_callbacks_enabled() && parent == nullptr)
return;
// If callback hooks have not been enabled and parent has no queue, return.
if (!env->async_wrap_callbacks_enabled() && !parent->has_async_queue())
return;
v8::HandleScope scope(env->isolate());
v8::TryCatch try_catch;
v8::Local<v8::Value> n = v8::Int32::New(env->isolate(), provider);
env->async_hooks_init_function()->Call(object, 1, &n);
if (try_catch.HasCaught())
FatalError("node::AsyncWrap::AsyncWrap", "init hook threw");
bits_ |= 1; // has_async_queue() is true now.
}
inline bool AsyncWrap::has_async_queue() const {
return static_cast<bool>(bits_ & 1);
}
inline AsyncWrap::ProviderType AsyncWrap::provider_type() const {
return static_cast<ProviderType>(bits_ >> 1);
}
inline v8::Handle<v8::Value> AsyncWrap::MakeCallback(
const v8::Handle<v8::String> symbol,
int argc,
v8::Handle<v8::Value>* argv) {
v8::Local<v8::Value> cb_v = object()->Get(symbol);
CHECK(cb_v->IsFunction());
return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
}
inline v8::Handle<v8::Value> AsyncWrap::MakeCallback(
uint32_t index,
int argc,
v8::Handle<v8::Value>* argv) {
v8::Local<v8::Value> cb_v = object()->Get(index);
CHECK(cb_v->IsFunction());
return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
}
} // namespace node
#endif // SRC_ASYNC_WRAP_INL_H_
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