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GCC Code Coverage Report

Directory:	../		Exec	Total	Coverage
File:	/home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/stream_base-inl.h	Lines:	167	171	97.7 %
Date:	2019-10-05 22:32:21	Branches:	49	64	76.6 %


#ifndef SRC_STREAM_BASE_INL_H_
#define SRC_STREAM_BASE_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "stream_base.h"

#include "node.h"
#include "env-inl.h"
#include "v8.h"

namespace node {

using v8::Signature;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Local;
using v8::Object;
using v8::PropertyAttribute;
using v8::PropertyCallbackInfo;
using v8::String;
using v8::Value;

inline void StreamReq::AttachToObject(v8::Local<v8::Object> req_wrap_obj) {
  CHECK_EQ(req_wrap_obj->GetAlignedPointerFromInternalField(kStreamReqField),
           nullptr);
  req_wrap_obj->SetAlignedPointerInInternalField(kStreamReqField, this);
}

inline StreamReq* StreamReq::FromObject(v8::Local<v8::Object> req_wrap_obj) {
  return static_cast<StreamReq*>(
      req_wrap_obj->GetAlignedPointerFromInternalField(kStreamReqField));
}

inline void StreamReq::Dispose() {
  object()->SetAlignedPointerInInternalField(kStreamReqField, nullptr);
  delete this;
}

inline v8::Local<v8::Object> StreamReq::object() {
  return GetAsyncWrap()->object();
}

inline StreamListener::~StreamListener() {
  if (stream_ != nullptr)
    stream_->RemoveStreamListener(this);
}

inline void StreamListener::PassReadErrorToPreviousListener(ssize_t nread) {
  CHECK_NOT_NULL(previous_listener_);
  previous_listener_->OnStreamRead(nread, uv_buf_init(nullptr, 0));
}

inline void StreamListener::OnStreamAfterShutdown(ShutdownWrap* w, int status) {
  CHECK_NOT_NULL(previous_listener_);
  previous_listener_->OnStreamAfterShutdown(w, status);
}

inline void StreamListener::OnStreamAfterWrite(WriteWrap* w, int status) {
  CHECK_NOT_NULL(previous_listener_);
  previous_listener_->OnStreamAfterWrite(w, status);
}

inline StreamResource::~StreamResource() {
  while (listener_ != nullptr) {
    StreamListener* listener = listener_;
    listener->OnStreamDestroy();
    // Remove the listener if it didn’t remove itself. This makes the logic
    // in `OnStreamDestroy()` implementations easier, because they
    // may call generic cleanup functions which can just remove the
    // listener unconditionally.
    if (listener == listener_)
      RemoveStreamListener(listener_);
  }
}

inline void StreamResource::PushStreamListener(StreamListener* listener) {
  CHECK_NOT_NULL(listener);
  CHECK_NULL(listener->stream_);

  listener->previous_listener_ = listener_;
  listener->stream_ = this;

  listener_ = listener;
}

inline void StreamResource::RemoveStreamListener(StreamListener* listener) {
  CHECK_NOT_NULL(listener);

  StreamListener* previous;
  StreamListener* current;

  // Remove from the linked list.
  for (current = listener_, previous = nullptr;
       /* No loop condition because we want a crash if listener is not found */
       ; previous = current, current = current->previous_listener_) {
    CHECK_NOT_NULL(current);
    if (current == listener) {
      if (previous != nullptr)
        previous->previous_listener_ = current->previous_listener_;
      else
        listener_ = listener->previous_listener_;
      break;
    }
  }

  listener->stream_ = nullptr;
  listener->previous_listener_ = nullptr;
}

inline uv_buf_t StreamResource::EmitAlloc(size_t suggested_size) {
  DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
  return listener_->OnStreamAlloc(suggested_size);
}

inline void StreamResource::EmitRead(ssize_t nread, const uv_buf_t& buf) {
  DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
  if (nread > 0)
    bytes_read_ += static_cast<uint64_t>(nread);
  listener_->OnStreamRead(nread, buf);
}

inline void StreamResource::EmitAfterWrite(WriteWrap* w, int status) {
  DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
  listener_->OnStreamAfterWrite(w, status);
}

inline void StreamResource::EmitAfterShutdown(ShutdownWrap* w, int status) {
  DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
  listener_->OnStreamAfterShutdown(w, status);
}

inline void StreamResource::EmitWantsWrite(size_t suggested_size) {
  DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
  listener_->OnStreamWantsWrite(suggested_size);
}

inline StreamBase::StreamBase(Environment* env) : env_(env) {
  PushStreamListener(&default_listener_);
}

inline Environment* StreamBase::stream_env() const {
  return env_;
}

inline int StreamBase::Shutdown(v8::Local<v8::Object> req_wrap_obj) {
  Environment* env = stream_env();

  HandleScope handle_scope(env->isolate());

  if (req_wrap_obj.IsEmpty()) {
    if (!env->shutdown_wrap_template()
             ->NewInstance(env->context())
             .ToLocal(&req_wrap_obj)) {
      return UV_EBUSY;
    }
    StreamReq::ResetObject(req_wrap_obj);
  }

  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
  ShutdownWrap* req_wrap = CreateShutdownWrap(req_wrap_obj);
  int err = DoShutdown(req_wrap);

  if (err != 0) {
    req_wrap->Dispose();
  }

  const char* msg = Error();
  if (msg != nullptr) {
    req_wrap_obj->Set(
        env->context(),
        env->error_string(), OneByteString(env->isolate(), msg)).Check();
    ClearError();
  }

  return err;
}

inline StreamWriteResult StreamBase::Write(
    uv_buf_t* bufs,
    size_t count,
    uv_stream_t* send_handle,
    v8::Local<v8::Object> req_wrap_obj) {
  Environment* env = stream_env();
  int err;

  size_t total_bytes = 0;
  for (size_t i = 0; i < count; ++i)
    total_bytes += bufs[i].len;
  bytes_written_ += total_bytes;

  if (send_handle == nullptr) {
    err = DoTryWrite(&bufs, &count);
    if (err != 0 || count == 0) {
      return StreamWriteResult { false, err, nullptr, total_bytes };
    }
  }

  HandleScope handle_scope(env->isolate());

  if (req_wrap_obj.IsEmpty()) {
    if (!env->write_wrap_template()
             ->NewInstance(env->context())
             .ToLocal(&req_wrap_obj)) {
      return StreamWriteResult { false, UV_EBUSY, nullptr, 0 };
    }
    StreamReq::ResetObject(req_wrap_obj);
  }

  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
  WriteWrap* req_wrap = CreateWriteWrap(req_wrap_obj);

  err = DoWrite(req_wrap, bufs, count, send_handle);
  bool async = err == 0;

  if (!async) {
    req_wrap->Dispose();
    req_wrap = nullptr;
  }

  const char* msg = Error();
  if (msg != nullptr) {
    req_wrap_obj->Set(env->context(),
                      env->error_string(),
                      OneByteString(env->isolate(), msg)).Check();
    ClearError();
  }

  return StreamWriteResult { async, err, req_wrap, total_bytes };
}

template <typename OtherBase>
SimpleShutdownWrap<OtherBase>::SimpleShutdownWrap(
    StreamBase* stream,
    v8::Local<v8::Object> req_wrap_obj)
  : ShutdownWrap(stream, req_wrap_obj),
    OtherBase(stream->stream_env(),
              req_wrap_obj,
              AsyncWrap::PROVIDER_SHUTDOWNWRAP) {
}

inline ShutdownWrap* StreamBase::CreateShutdownWrap(
    v8::Local<v8::Object> object) {
  return new SimpleShutdownWrap<AsyncWrap>(this, object);
}

template <typename OtherBase>
SimpleWriteWrap<OtherBase>::SimpleWriteWrap(
    StreamBase* stream,
    v8::Local<v8::Object> req_wrap_obj)
  : WriteWrap(stream, req_wrap_obj),
    OtherBase(stream->stream_env(),
              req_wrap_obj,
              AsyncWrap::PROVIDER_WRITEWRAP) {
}

inline WriteWrap* StreamBase::CreateWriteWrap(
    v8::Local<v8::Object> object) {
  return new SimpleWriteWrap<AsyncWrap>(this, object);
}

inline void StreamBase::AttachToObject(v8::Local<v8::Object> obj) {
  obj->SetAlignedPointerInInternalField(kStreamBaseField, this);
}

inline StreamBase* StreamBase::FromObject(v8::Local<v8::Object> obj) {
  if (obj->GetAlignedPointerFromInternalField(0) == nullptr)
    return nullptr;

  return static_cast<StreamBase*>(
      obj->GetAlignedPointerFromInternalField(kStreamBaseField));
}


inline void ShutdownWrap::OnDone(int status) {
  stream()->EmitAfterShutdown(this, status);
  Dispose();
}

inline void WriteWrap::SetAllocatedStorage(AllocatedBuffer&& storage) {
  CHECK_NULL(storage_.data());
  storage_ = std::move(storage);
}

inline void WriteWrap::OnDone(int status) {
  stream()->EmitAfterWrite(this, status);
  Dispose();
}

inline void StreamReq::Done(int status, const char* error_str) {
  AsyncWrap* async_wrap = GetAsyncWrap();
  Environment* env = async_wrap->env();
  if (error_str != nullptr) {
    async_wrap->object()->Set(env->context(),
                              env->error_string(),
                              OneByteString(env->isolate(), error_str))
                              .Check();
  }

  OnDone(status);
}

inline void StreamReq::ResetObject(v8::Local<v8::Object> obj) {
  DCHECK_GT(obj->InternalFieldCount(), StreamReq::kStreamReqField);

  obj->SetAlignedPointerInInternalField(0, nullptr);  // BaseObject field.
  obj->SetAlignedPointerInInternalField(StreamReq::kStreamReqField, nullptr);
}


}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_STREAM_BASE_INL_H_


Generated by: GCOVR (Version 3.4)

Line	Branch	Exec	Source
1			#ifndef SRC_STREAM_BASE_INL_H_
2			#define SRC_STREAM_BASE_INL_H_
3
4			#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
5
6			#include "stream_base.h"
7
8			#include "node.h"
9			#include "env-inl.h"
10			#include "v8.h"
11
12			namespace node {
13
14			using v8::Signature;
15			using v8::FunctionCallbackInfo;
16			using v8::FunctionTemplate;
17			using v8::HandleScope;
18			using v8::Local;
19			using v8::Object;
20			using v8::PropertyAttribute;
21			using v8::PropertyCallbackInfo;
22			using v8::String;
23			using v8::Value;
24
25		62890	inline void StreamReq::AttachToObject(v8::Local<v8::Object> req_wrap_obj) {
26	✗✓	125780	CHECK_EQ(req_wrap_obj->GetAlignedPointerFromInternalField(kStreamReqField),
27			nullptr);
28		62890	req_wrap_obj->SetAlignedPointerInInternalField(kStreamReqField, this);
29		62890	}
30
31		601	inline StreamReq* StreamReq::FromObject(v8::Local<v8::Object> req_wrap_obj) {
32			return static_cast<StreamReq*>(
33		1202	req_wrap_obj->GetAlignedPointerFromInternalField(kStreamReqField));
34			}
35
36		62866	inline void StreamReq::Dispose() {
37		125732	object()->SetAlignedPointerInInternalField(kStreamReqField, nullptr);
38	✓✗	62866	delete this;
39		62866	}
40
41		63477	inline v8::Local<v8::Object> StreamReq::object() {
42		63477	return GetAsyncWrap()->object();
43			}
44
45		133269	inline StreamListener::~StreamListener() {
46	✓✓	133269	if (stream_ != nullptr)
47		117630	stream_->RemoveStreamListener(this);
48	✗✓	133269	}
49
50		41019	inline void StreamListener::PassReadErrorToPreviousListener(ssize_t nread) {
51	✗✓	41019	CHECK_NOT_NULL(previous_listener_);
52		41019	previous_listener_->OnStreamRead(nread, uv_buf_init(nullptr, 0));
53		41019	}
54
55		30450	inline void StreamListener::OnStreamAfterShutdown(ShutdownWrap* w, int status) {
56	✗✓	30450	CHECK_NOT_NULL(previous_listener_);
57		30450	previous_listener_->OnStreamAfterShutdown(w, status);
58		30450	}
59
60		3687	inline void StreamListener::OnStreamAfterWrite(WriteWrap* w, int status) {
61	✗✓	3687	CHECK_NOT_NULL(previous_listener_);
62		3687	previous_listener_->OnStreamAfterWrite(w, status);
63		3687	}
64
65		93161	inline StreamResource::~StreamResource() {
66	✓✓	186881	while (listener_ != nullptr) {
67		559	StreamListener* listener = listener_;
68		559	listener->OnStreamDestroy();
69			// Remove the listener if it didn’t remove itself. This makes the logic
70			// in `OnStreamDestroy()` implementations easier, because they
71			// may call generic cleanup functions which can just remove the
72			// listener unconditionally.
73	✓✓	559	if (listener == listener_)
74		553	RemoveStreamListener(listener_);
75			}
76	✗✓	93161	}
77
78		162335	inline void StreamResource::PushStreamListener(StreamListener* listener) {
79	✗✓	162335	CHECK_NOT_NULL(listener);
80	✗✓	162335	CHECK_NULL(listener->stream_);
81
82		162335	listener->previous_listener_ = listener_;
83		162335	listener->stream_ = this;
84
85		162335	listener_ = listener;
86		162335	}
87
88		161667	inline void StreamResource::RemoveStreamListener(StreamListener* listener) {
89	✗✓	161667	CHECK_NOT_NULL(listener);
90
91			StreamListener* previous;
92			StreamListener* current;
93
94			// Remove from the linked list.
95		162226	for (current = listener_, previous = nullptr;
96			/* No loop condition because we want a crash if listener is not found */
97			; previous = current, current = current->previous_listener_) {
98	✗✓	162226	CHECK_NOT_NULL(current);
99	✓✓	162226	if (current == listener) {
100	✓✓	161667	if (previous != nullptr)
101		559	previous->previous_listener_ = current->previous_listener_;
102			else
103		161108	listener_ = listener->previous_listener_;
104		161667	break;
105			}
106		559	}
107
108		161667	listener->stream_ = nullptr;
109		161667	listener->previous_listener_ = nullptr;
110		161667	}
111
112		505329	inline uv_buf_t StreamResource::EmitAlloc(size_t suggested_size) {
113		505329	DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
114		505329	return listener_->OnStreamAlloc(suggested_size);
115			}
116
117		519477	inline void StreamResource::EmitRead(ssize_t nread, const uv_buf_t& buf) {
118		519477	DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
119	✓✓	519477	if (nread > 0)
120		470839	bytes_read_ += static_cast<uint64_t>(nread);
121		519477	listener_->OnStreamRead(nread, buf);
122		519389	}
123
124		6163	inline void StreamResource::EmitAfterWrite(WriteWrap* w, int status) {
125		6163	DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
126		6163	listener_->OnStreamAfterWrite(w, status);
127		6161	}
128
129		32874	inline void StreamResource::EmitAfterShutdown(ShutdownWrap* w, int status) {
130		32874	DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
131		32874	listener_->OnStreamAfterShutdown(w, status);
132		32874	}
133
134		3590	inline void StreamResource::EmitWantsWrite(size_t suggested_size) {
135		3590	DebugSealHandleScope handle_scope(v8::Isolate::GetCurrent());
136		3590	listener_->OnStreamWantsWrite(suggested_size);
137		3590	}
138
139		93798	inline StreamBase::StreamBase(Environment* env) : env_(env) {
140		93798	PushStreamListener(&default_listener_);
141		93798	}
142
143		1041829	inline Environment* StreamBase::stream_env() const {
144		1041829	return env_;
145			}
146
147		56700	inline int StreamBase::Shutdown(v8::Local<v8::Object> req_wrap_obj) {
148		56700	Environment* env = stream_env();
149
150		56700	HandleScope handle_scope(env->isolate());
151
152	✓✓	56700	if (req_wrap_obj.IsEmpty()) {
153	✗✓	1072	if (!env->shutdown_wrap_template()
154		1608	->NewInstance(env->context())
155		1608	.ToLocal(&req_wrap_obj)) {
156			return UV_EBUSY;
157			}
158		536	StreamReq::ResetObject(req_wrap_obj);
159			}
160
161		113400	AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
162		56700	ShutdownWrap* req_wrap = CreateShutdownWrap(req_wrap_obj);
163		56700	int err = DoShutdown(req_wrap);
164
165	✓✓	56700	if (err != 0) {
166		23825	req_wrap->Dispose();
167			}
168
169		56700	const char* msg = Error();
170	✗✓	56700	if (msg != nullptr) {
171			req_wrap_obj->Set(
172			env->context(),
173			env->error_string(), OneByteString(env->isolate(), msg)).Check();
174			ClearError();
175			}
176
177		113400	return err;
178			}
179
180		205524	inline StreamWriteResult StreamBase::Write(
181			uv_buf_t* bufs,
182			size_t count,
183			uv_stream_t* send_handle,
184			v8::Local<v8::Object> req_wrap_obj) {
185		205524	Environment* env = stream_env();
186			int err;
187
188		205524	size_t total_bytes = 0;
189	✓✓	1049206	for (size_t i = 0; i < count; ++i)
190		843682	total_bytes += bufs[i].len;
191		205524	bytes_written_ += total_bytes;
192
193	✓✓	205524	if (send_handle == nullptr) {
194		205422	err = DoTryWrite(&bufs, &count);
195	✓✓✓✓	205422	if (err != 0 \|\| count == 0) {
196		199334	return StreamWriteResult { false, err, nullptr, total_bytes };
197			}
198			}
199
200		6190	HandleScope handle_scope(env->isolate());
201
202	✓✓	6190	if (req_wrap_obj.IsEmpty()) {
203	✗✓	2812	if (!env->write_wrap_template()
204		4218	->NewInstance(env->context())
205		4218	.ToLocal(&req_wrap_obj)) {
206			return StreamWriteResult { false, UV_EBUSY, nullptr, 0 };
207			}
208		1406	StreamReq::ResetObject(req_wrap_obj);
209			}
210
211		12379	AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
212		6190	WriteWrap* req_wrap = CreateWriteWrap(req_wrap_obj);
213
214		6190	err = DoWrite(req_wrap, bufs, count, send_handle);
215		6189	bool async = err == 0;
216
217	✓✓	6189	if (!async) {
218		6	req_wrap->Dispose();
219		6	req_wrap = nullptr;
220			}
221
222		6189	const char* msg = Error();
223	✓✓	6189	if (msg != nullptr) {
224			req_wrap_obj->Set(env->context(),
225			env->error_string(),
226		15	OneByteString(env->isolate(), msg)).Check();
227		3	ClearError();
228			}
229
230		12378	return StreamWriteResult { async, err, req_wrap, total_bytes };
231			}
232
233			template <typename OtherBase>
234		56700	SimpleShutdownWrap<OtherBase>::SimpleShutdownWrap(
235			StreamBase* stream,
236			v8::Local<v8::Object> req_wrap_obj)
237			: ShutdownWrap(stream, req_wrap_obj),
238			OtherBase(stream->stream_env(),
239			req_wrap_obj,
240		56700	AsyncWrap::PROVIDER_SHUTDOWNWRAP) {
241		56700	}
242
243		23833	inline ShutdownWrap* StreamBase::CreateShutdownWrap(
244			v8::Local<v8::Object> object) {
245		23833	return new SimpleShutdownWrap<AsyncWrap>(this, object);
246			}
247
248			template <typename OtherBase>
249		6190	SimpleWriteWrap<OtherBase>::SimpleWriteWrap(
250			StreamBase* stream,
251			v8::Local<v8::Object> req_wrap_obj)
252			: WriteWrap(stream, req_wrap_obj),
253			OtherBase(stream->stream_env(),
254			req_wrap_obj,
255		6190	AsyncWrap::PROVIDER_WRITEWRAP) {
256		6190	}
257
258		5887	inline WriteWrap* StreamBase::CreateWriteWrap(
259			v8::Local<v8::Object> object) {
260		5887	return new SimpleWriteWrap<AsyncWrap>(this, object);
261			}
262
263		93798	inline void StreamBase::AttachToObject(v8::Local<v8::Object> obj) {
264		93798	obj->SetAlignedPointerInInternalField(kStreamBaseField, this);
265		93798	}
266
267		1173826	inline StreamBase* StreamBase::FromObject(v8::Local<v8::Object> obj) {
268	✓✓	2347652	if (obj->GetAlignedPointerFromInternalField(0) == nullptr)
269		1	return nullptr;
270
271			return static_cast<StreamBase*>(
272		2347650	obj->GetAlignedPointerFromInternalField(kStreamBaseField));
273			}
274
275
276		32874	inline void ShutdownWrap::OnDone(int status) {
277		32874	stream()->EmitAfterShutdown(this, status);
278		32874	Dispose();
279		32874	}
280
281		3486	inline void WriteWrap::SetAllocatedStorage(AllocatedBuffer&& storage) {
282	✗✓	3486	CHECK_NULL(storage_.data());
283		3486	storage_ = std::move(storage);
284		3486	}
285
286		6163	inline void WriteWrap::OnDone(int status) {
287		6163	stream()->EmitAfterWrite(this, status);
288		6161	Dispose();
289		6161	}
290
291		39037	inline void StreamReq::Done(int status, const char* error_str) {
292		39037	AsyncWrap* async_wrap = GetAsyncWrap();
293		39037	Environment* env = async_wrap->env();
294	✓✓	39037	if (error_str != nullptr) {
295		6	async_wrap->object()->Set(env->context(),
296			env->error_string(),
297		36	OneByteString(env->isolate(), error_str))
298		12	.Check();
299			}
300
301		39037	OnDone(status);
302		39035	}
303
304		928318	inline void StreamReq::ResetObject(v8::Local<v8::Object> obj) {
305			DCHECK_GT(obj->InternalFieldCount(), StreamReq::kStreamReqField);
306
307		928318	obj->SetAlignedPointerInInternalField(0, nullptr); // BaseObject field.
308		928318	obj->SetAlignedPointerInInternalField(StreamReq::kStreamReqField, nullptr);
309		928318	}
310
311
312			} // namespace node
313
314			#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
315
316			#endif // SRC_STREAM_BASE_INL_H_