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#include "async-wrap.h"
#include "async-wrap-inl.h"
#include "env.h"
#include "env-inl.h"
#include "handle_wrap.h"
#include "util.h"
#include "util-inl.h"
#include <stdint.h>
namespace node {
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::Value;
const uint32_t kOnTimeout = 0;
class TimerWrap : public HandleWrap {
public:
static void Initialize(Local<Object> target,
Local<Value> unused,
Local<Context> context) {
Environment* env = Environment::GetCurrent(context);
Local<FunctionTemplate> constructor = env->NewFunctionTemplate(New);
constructor->InstanceTemplate()->SetInternalFieldCount(1);
constructor->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "Timer"));
constructor->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "kOnTimeout"),
Integer::New(env->isolate(), kOnTimeout));
env->SetTemplateMethod(constructor, "now", Now);
env->SetProtoMethod(constructor, "close", HandleWrap::Close);
env->SetProtoMethod(constructor, "ref", HandleWrap::Ref);
env->SetProtoMethod(constructor, "unref", HandleWrap::Unref);
env->SetProtoMethod(constructor, "hasRef", HandleWrap::HasRef);
env->SetProtoMethod(constructor, "start", Start);
env->SetProtoMethod(constructor, "stop", Stop);
target->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "Timer"),
constructor->GetFunction());
}
size_t self_size() const override { return sizeof(*this); }
private:
static void New(const FunctionCallbackInfo<Value>& args) {
// This constructor should not be exposed to public javascript.
// Therefore we assert that we are not trying to call this as a
// normal function.
CHECK(args.IsConstructCall());
Environment* env = Environment::GetCurrent(args);
new TimerWrap(env, args.This());
}
TimerWrap(Environment* env, Local<Object> object)
: HandleWrap(env,
object,
reinterpret_cast<uv_handle_t*>(&handle_),
AsyncWrap::PROVIDER_TIMERWRAP) {
int r = uv_timer_init(env->event_loop(), &handle_);
CHECK_EQ(r, 0);
}
static void Start(const FunctionCallbackInfo<Value>& args) {
TimerWrap* wrap = Unwrap<TimerWrap>(args.Holder());
CHECK(HandleWrap::IsAlive(wrap));
int64_t timeout = args[0]->IntegerValue();
int err = uv_timer_start(&wrap->handle_, OnTimeout, timeout, 0);
args.GetReturnValue().Set(err);
}
static void Stop(const FunctionCallbackInfo<Value>& args) {
TimerWrap* wrap = Unwrap<TimerWrap>(args.Holder());
CHECK(HandleWrap::IsAlive(wrap));
int err = uv_timer_stop(&wrap->handle_);
args.GetReturnValue().Set(err);
}
static void OnTimeout(uv_timer_t* handle) {
TimerWrap* wrap = static_cast<TimerWrap*>(handle->data);
Environment* env = wrap->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
wrap->MakeCallback(kOnTimeout, 0, nullptr);
}
static void Now(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
uv_update_time(env->event_loop());
uint64_t now = uv_now(env->event_loop());
CHECK(now >= env->timer_base());
now -= env->timer_base();
if (now <= 0xfffffff)
args.GetReturnValue().Set(static_cast<uint32_t>(now));
else
args.GetReturnValue().Set(static_cast<double>(now));
}
uv_timer_t handle_;
};
} // namespace node
NODE_MODULE_CONTEXT_AWARE_BUILTIN(timer_wrap, node::TimerWrap::Initialize)
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