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// 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.
#ifndef SRC_ASYNC_WRAP_H_
#define SRC_ASYNC_WRAP_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "base-object.h"
#include "uv.h"
#include "v8.h"
#include <stdint.h>
namespace node {
#define NODE_ASYNC_ID_OFFSET 0xA1C
#define NODE_ASYNC_PROVIDER_TYPES(V) \
V(NONE) \
V(CRYPTO) \
V(FSEVENTWRAP) \
V(FSREQWRAP) \
V(GETADDRINFOREQWRAP) \
V(GETNAMEINFOREQWRAP) \
V(HTTPPARSER) \
V(JSSTREAM) \
V(PIPEWRAP) \
V(PIPECONNECTWRAP) \
V(PROCESSWRAP) \
V(QUERYWRAP) \
V(SHUTDOWNWRAP) \
V(SIGNALWRAP) \
V(STATWATCHER) \
V(TCPWRAP) \
V(TCPCONNECTWRAP) \
V(TIMERWRAP) \
V(TLSWRAP) \
V(TTYWRAP) \
V(UDPWRAP) \
V(UDPSENDWRAP) \
V(WRITEWRAP) \
V(ZLIB)
class Environment;
class AsyncWrap : public BaseObject {
public:
enum ProviderType {
#define V(PROVIDER) \
PROVIDER_ ## PROVIDER,
NODE_ASYNC_PROVIDER_TYPES(V)
#undef V
};
AsyncWrap(Environment* env,
v8::Local<v8::Object> object,
ProviderType provider,
AsyncWrap* parent = nullptr);
virtual ~AsyncWrap();
static void Initialize(v8::Local<v8::Object> target,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context);
static void DestroyIdsCb(uv_idle_t* handle);
inline ProviderType provider_type() const;
inline int64_t get_uid() const;
// Only call these within a valid HandleScope.
v8::Local<v8::Value> MakeCallback(const v8::Local<v8::Function> cb,
int argc,
v8::Local<v8::Value>* argv);
inline v8::Local<v8::Value> MakeCallback(const v8::Local<v8::String> symbol,
int argc,
v8::Local<v8::Value>* argv);
inline v8::Local<v8::Value> MakeCallback(uint32_t index,
int argc,
v8::Local<v8::Value>* argv);
virtual size_t self_size() const = 0;
private:
inline AsyncWrap();
inline bool ran_init_callback() const;
// When the async hooks init JS function is called from the constructor it is
// expected the context object will receive a _asyncQueue object property
// that will be used to call pre/post in MakeCallback.
uint32_t bits_;
const int64_t uid_;
};
void LoadAsyncWrapperInfo(Environment* env);
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_ASYNC_WRAP_H_
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