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#include "handle_wrap.h"
#include "async-wrap.h"
#include "async-wrap-inl.h"
#include "env.h"
#include "env-inl.h"
#include "util.h"
#include "util-inl.h"
#include "node.h"
namespace node {
using v8::Boolean;
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::HandleScope;
using v8::Local;
using v8::Object;
using v8::Value;
void HandleWrap::Ref(const FunctionCallbackInfo<Value>& args) {
HandleWrap* wrap = Unwrap<HandleWrap>(args.Holder());
if (IsAlive(wrap)) {
uv_ref(wrap->handle__);
wrap->flags_ &= ~kUnref;
}
}
void HandleWrap::Unref(const FunctionCallbackInfo<Value>& args) {
HandleWrap* wrap = Unwrap<HandleWrap>(args.Holder());
if (IsAlive(wrap)) {
uv_unref(wrap->handle__);
wrap->flags_ |= kUnref;
}
}
void HandleWrap::IsRefed(const FunctionCallbackInfo<Value>& args) {
HandleWrap* wrap = Unwrap<HandleWrap>(args.Holder());
bool refed = IsAlive(wrap) && (wrap->flags_ & kUnref) == 0;
args.GetReturnValue().Set(refed);
}
void HandleWrap::Close(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
HandleWrap* wrap = Unwrap<HandleWrap>(args.Holder());
// guard against uninitialized handle or double close
if (!IsAlive(wrap))
return;
CHECK_EQ(false, wrap->persistent().IsEmpty());
uv_close(wrap->handle__, OnClose);
wrap->handle__ = nullptr;
if (args[0]->IsFunction()) {
wrap->object()->Set(env->onclose_string(), args[0]);
wrap->flags_ |= kCloseCallback;
}
}
HandleWrap::HandleWrap(Environment* env,
Local<Object> object,
uv_handle_t* handle,
AsyncWrap::ProviderType provider,
AsyncWrap* parent)
: AsyncWrap(env, object, provider, parent),
flags_(0),
handle__(handle) {
handle__->data = this;
HandleScope scope(env->isolate());
Wrap(object, this);
env->handle_wrap_queue()->PushBack(this);
}
HandleWrap::~HandleWrap() {
CHECK(persistent().IsEmpty());
}
void HandleWrap::OnClose(uv_handle_t* handle) {
HandleWrap* wrap = static_cast<HandleWrap*>(handle->data);
Environment* env = wrap->env();
HandleScope scope(env->isolate());
// The wrap object should still be there.
CHECK_EQ(wrap->persistent().IsEmpty(), false);
// But the handle pointer should be gone.
CHECK_EQ(wrap->handle__, nullptr);
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
Local<Object> object = wrap->object();
if (wrap->flags_ & kCloseCallback) {
wrap->MakeCallback(env->onclose_string(), 0, nullptr);
}
object->SetAlignedPointerInInternalField(0, nullptr);
wrap->persistent().Reset();
delete wrap;
}
} // namespace node
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