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src: remove duplicate env field from CryptoJob #31588

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94935b2
src: remove duplicate env field from CryptoJob
bnoordhuis Jan 31, 2020
47c4eac
src: StreamBase::stream_env() -> StreamBase::env()
bnoordhuis Jan 31, 2020
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src: remove duplicate env field from CryptoJob 
Add a `ThreadPoolWork::env()` getter and use that. To fix the diamond
problem in class CompressionStream that inherits from both AsyncWrap
and ThreadPoolWork, we add a `CompressionStream::env()` getter that
delegates to `AsyncWrap::env()`.

Refs: #31554 (comment)
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@bnoordhuis
bnoordhuis committed Jan 31, 2020
commit 94935b25dc31e690e1961bc50afcc475a63f2ea3
41 changes: 20 additions & 21 deletions src/node_crypto.cc
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Expand Up @@ -6194,9 +6194,8 @@ bool ECDH::IsKeyPairValid() {
// TODO(addaleax): If there is an `AsyncWrap`, it currently has no access to
// this object. This makes proper reporting of memory usage impossible.
struct CryptoJob : public ThreadPoolWork {
Environment* const env;
std::unique_ptr<AsyncWrap> async_wrap;
inline explicit CryptoJob(Environment* env) : ThreadPoolWork(env), env(env) {}
inline explicit CryptoJob(Environment* env) : ThreadPoolWork(env) {}
inline void AfterThreadPoolWork(int status) final;
virtual void AfterThreadPoolWork() = 0;
static inline void Run(std::unique_ptr<CryptoJob> job, Local<Value> wrap);
Expand All @@ -6207,8 +6206,8 @@ void CryptoJob::AfterThreadPoolWork(int status) {
CHECK(status == 0 || status == UV_ECANCELED);
std::unique_ptr<CryptoJob> job(this);
if (status == UV_ECANCELED) return;
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
HandleScope handle_scope(env()->isolate());
Context::Scope context_scope(env()->context());
CHECK_EQ(false, async_wrap->persistent().IsWeak());
AfterThreadPoolWork();
}
Expand Down Expand Up @@ -6249,12 +6248,12 @@ struct RandomBytesJob : public CryptoJob {

inline void AfterThreadPoolWork() override {
Local<Value> arg = ToResult();
async_wrap->MakeCallback(env->ondone_string(), 1, &arg);
async_wrap->MakeCallback(env()->ondone_string(), 1, &arg);
}

inline Local<Value> ToResult() const {
if (errors.empty()) return Undefined(env->isolate());
return errors.ToException(env).ToLocalChecked();
if (errors.empty()) return Undefined(env()->isolate());
return errors.ToException(env()).ToLocalChecked();
}
};

Expand Down Expand Up @@ -6306,11 +6305,11 @@ struct PBKDF2Job : public CryptoJob {

inline void AfterThreadPoolWork() override {
Local<Value> arg = ToResult();
async_wrap->MakeCallback(env->ondone_string(), 1, &arg);
async_wrap->MakeCallback(env()->ondone_string(), 1, &arg);
}

inline Local<Value> ToResult() const {
return Boolean::New(env->isolate(), success.FromJust());
return Boolean::New(env()->isolate(), success.FromJust());
}

inline void Cleanse() {
Expand Down Expand Up @@ -6386,12 +6385,12 @@ struct ScryptJob : public CryptoJob {

inline void AfterThreadPoolWork() override {
Local<Value> arg = ToResult();
async_wrap->MakeCallback(env->ondone_string(), 1, &arg);
async_wrap->MakeCallback(env()->ondone_string(), 1, &arg);
}

inline Local<Value> ToResult() const {
if (errors.empty()) return Undefined(env->isolate());
return errors.ToException(env).ToLocalChecked();
if (errors.empty()) return Undefined(env()->isolate());
return errors.ToException(env()).ToLocalChecked();
}

inline void Cleanse() {
Expand Down Expand Up @@ -6720,22 +6719,22 @@ class GenerateKeyPairJob : public CryptoJob {
inline void AfterThreadPoolWork() override {
Local<Value> args[3];
ToResult(&args[0], &args[1], &args[2]);
async_wrap->MakeCallback(env->ondone_string(), 3, args);
async_wrap->MakeCallback(env()->ondone_string(), 3, args);
}

inline void ToResult(Local<Value>* err,
Local<Value>* pubkey,
Local<Value>* privkey) {
if (pkey_ && EncodeKeys(pubkey, privkey)) {
CHECK(errors_.empty());
*err = Undefined(env->isolate());
*err = Undefined(env()->isolate());
} else {
if (errors_.empty())
errors_.Capture();
CHECK(!errors_.empty());
*err = errors_.ToException(env).ToLocalChecked();
*pubkey = Undefined(env->isolate());
*privkey = Undefined(env->isolate());
*err = errors_.ToException(env()).ToLocalChecked();
*pubkey = Undefined(env()->isolate());
*privkey = Undefined(env()->isolate());
}
}

Expand All @@ -6744,20 +6743,20 @@ class GenerateKeyPairJob : public CryptoJob {
if (public_key_encoding_.output_key_object_) {
// Note that this has the downside of containing sensitive data of the
// private key.
if (!KeyObject::Create(env, kKeyTypePublic, pkey_).ToLocal(pubkey))
if (!KeyObject::Create(env(), kKeyTypePublic, pkey_).ToLocal(pubkey))
return false;
} else {
if (!WritePublicKey(env, pkey_.get(), public_key_encoding_)
if (!WritePublicKey(env(), pkey_.get(), public_key_encoding_)
.ToLocal(pubkey))
return false;
}

// Now do the same for the private key.
if (private_key_encoding_.output_key_object_) {
if (!KeyObject::Create(env, kKeyTypePrivate, pkey_).ToLocal(privkey))
if (!KeyObject::Create(env(), kKeyTypePrivate, pkey_).ToLocal(privkey))
return false;
} else {
if (!WritePrivateKey(env, pkey_.get(), private_key_encoding_)
if (!WritePrivateKey(env(), pkey_.get(), private_key_encoding_)
.ToLocal(privkey))
return false;
}
Expand Down
2 changes: 2 additions & 0 deletions src/node_internals.h
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Expand Up @@ -268,6 +268,8 @@ class ThreadPoolWork {
virtual void DoThreadPoolWork() = 0;
virtual void AfterThreadPoolWork(int status) = 0;

inline Environment* env() const { return env_; }

private:
Environment* env_;
uv_work_t work_req_;
Expand Down
2 changes: 2 additions & 0 deletions src/node_zlib.cc
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Expand Up @@ -256,6 +256,8 @@ class CompressionStream : public AsyncWrap, public ThreadPoolWork {
CHECK_EQ(unreported_allocations_, 0);
}

Environment* env() const { return AsyncWrap::env(); }

void Close() {
if (write_in_progress_) {
pending_close_ = true;
Expand Down