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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 "v8.h"
#include <stdint.h>
namespace node {
#define NODE_ASYNC_ID_OFFSET 0xA1C
#define NODE_ASYNC_NON_CRYPTO_PROVIDER_TYPES(V) \
V(NONE) \
V(DNSCHANNEL) \
V(FILEHANDLE) \
V(FILEHANDLECLOSEREQ) \
V(FSEVENTWRAP) \
V(FSREQWRAP) \
V(FSREQPROMISE) \
V(GETADDRINFOREQWRAP) \
V(GETNAMEINFOREQWRAP) \
V(HTTP2SESSION) \
V(HTTP2STREAM) \
V(HTTP2PING) \
V(HTTP2SETTINGS) \
V(HTTPPARSER) \
V(JSSTREAM) \
V(PIPECONNECTWRAP) \
V(PIPESERVERWRAP) \
V(PIPEWRAP) \
V(PROCESSWRAP) \
V(PROMISE) \
V(QUERYWRAP) \
V(SHUTDOWNWRAP) \
V(SIGNALWRAP) \
V(STATWATCHER) \
V(TCPCONNECTWRAP) \
V(TCPSERVERWRAP) \
V(TCPWRAP) \
V(TIMERWRAP) \
V(TTYWRAP) \
V(UDPSENDWRAP) \
V(UDPWRAP) \
V(WRITEWRAP) \
V(ZLIB)
#if HAVE_OPENSSL
#define NODE_ASYNC_CRYPTO_PROVIDER_TYPES(V) \
V(PBKDF2REQUEST) \
V(RANDOMBYTESREQUEST) \
V(TLSWRAP)
#else
#define NODE_ASYNC_CRYPTO_PROVIDER_TYPES(V)
#endif // HAVE_OPENSSL
#if HAVE_INSPECTOR
#define NODE_ASYNC_INSPECTOR_PROVIDER_TYPES(V) \
V(INSPECTORJSBINDING)
#else
#define NODE_ASYNC_INSPECTOR_PROVIDER_TYPES(V)
#endif // HAVE_INSPECTOR
#define NODE_ASYNC_PROVIDER_TYPES(V) \
NODE_ASYNC_NON_CRYPTO_PROVIDER_TYPES(V) \
NODE_ASYNC_CRYPTO_PROVIDER_TYPES(V) \
NODE_ASYNC_INSPECTOR_PROVIDER_TYPES(V)
class Environment;
class DestroyParam;
class AsyncWrap : public BaseObject {
public:
enum ProviderType {
#define V(PROVIDER) \
PROVIDER_ ## PROVIDER,
NODE_ASYNC_PROVIDER_TYPES(V)
#undef V
PROVIDERS_LENGTH,
};
enum Flags {
kFlagNone = 0x0,
kFlagHasReset = 0x1
};
AsyncWrap(Environment* env,
v8::Local<v8::Object> object,
ProviderType provider,
double execution_async_id = -1);
virtual ~AsyncWrap();
static void AddWrapMethods(Environment* env,
v8::Local<v8::FunctionTemplate> constructor,
int flags = kFlagNone);
static void Initialize(v8::Local<v8::Object> target,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context);
static void GetAsyncId(const v8::FunctionCallbackInfo<v8::Value>& args);
static void PushAsyncIds(const v8::FunctionCallbackInfo<v8::Value>& args);
static void PopAsyncIds(const v8::FunctionCallbackInfo<v8::Value>& args);
static void AsyncReset(const v8::FunctionCallbackInfo<v8::Value>& args);
static void QueueDestroyAsyncId(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void EmitAsyncInit(Environment* env,
v8::Local<v8::Object> object,
v8::Local<v8::String> type,
double async_id,
double trigger_async_id);
static void EmitDestroy(Environment* env, double async_id);
static void EmitBefore(Environment* env, double async_id);
static void EmitAfter(Environment* env, double async_id);
static void EmitPromiseResolve(Environment* env, double async_id);
void EmitTraceEventBefore();
void EmitTraceEventAfter();
void EmitTraceEventDestroy();
inline ProviderType provider_type() const;
inline double get_async_id() const;
inline double get_trigger_async_id() const;
void AsyncReset(double execution_async_id = -1, bool silent = false);
// Only call these within a valid HandleScope.
v8::MaybeLocal<v8::Value> MakeCallback(const v8::Local<v8::Function> cb,
int argc,
v8::Local<v8::Value>* argv);
inline v8::MaybeLocal<v8::Value> MakeCallback(
const v8::Local<v8::String> symbol,
int argc,
v8::Local<v8::Value>* argv);
inline v8::MaybeLocal<v8::Value> MakeCallback(uint32_t index,
int argc,
v8::Local<v8::Value>* argv);
virtual size_t self_size() const = 0;
static void WeakCallback(const v8::WeakCallbackInfo<DestroyParam> &info);
private:
friend class PromiseWrap;
// This is specifically used by the PromiseWrap constructor.
AsyncWrap(Environment* env, v8::Local<v8::Object> promise, bool silent);
inline AsyncWrap();
const ProviderType provider_type_;
// Because the values may be Reset(), cannot be made const.
double async_id_;
double trigger_async_id_;
};
void LoadAsyncWrapperInfo(Environment* env);
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_ASYNC_WRAP_H_
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