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: 151 156 96.8 %
Date: 2020-08-17 22:13:26 Branches: 40 50 80.0 %

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 "allocated_buffer-inl.h"
7
#include "async_wrap-inl.h"
8
#include "base_object-inl.h"
9
#include "node.h"
10
#include "stream_base.h"
11
#include "v8.h"
12
13
namespace node {
14
15
13866
StreamReq::StreamReq(
16
    StreamBase* stream,
17
13866
    v8::Local<v8::Object> req_wrap_obj) : stream_(stream) {
18
13866
  AttachToObject(req_wrap_obj);
19
13866
}
20
21
13866
void StreamReq::AttachToObject(v8::Local<v8::Object> req_wrap_obj) {
22
27732
  CHECK_EQ(req_wrap_obj->GetAlignedPointerFromInternalField(
23
               StreamReq::kStreamReqField),
24
           nullptr);
25
13866
  req_wrap_obj->SetAlignedPointerInInternalField(
26
13866
      StreamReq::kStreamReqField, this);
27
13866
}
28
29
608
StreamReq* StreamReq::FromObject(v8::Local<v8::Object> req_wrap_obj) {
30
  return static_cast<StreamReq*>(
31
608
      req_wrap_obj->GetAlignedPointerFromInternalField(
32
608
          StreamReq::kStreamReqField));
33
}
34
35
13854
void StreamReq::Dispose() {
36
27708
  BaseObjectPtr<AsyncWrap> destroy_me{GetAsyncWrap()};
37
41562
  object()->SetAlignedPointerInInternalField(
38
13854
      StreamReq::kStreamReqField, nullptr);
39
13854
  destroy_me->Detach();
40
13854
}
41
42
14471
v8::Local<v8::Object> StreamReq::object() {
43
14471
  return GetAsyncWrap()->object();
44
}
45
46
6539
ShutdownWrap::ShutdownWrap(
47
    StreamBase* stream,
48
6539
    v8::Local<v8::Object> req_wrap_obj)
49
6539
    : StreamReq(stream, req_wrap_obj) { }
50
51
7327
WriteWrap::WriteWrap(
52
    StreamBase* stream,
53
7327
    v8::Local<v8::Object> req_wrap_obj)
54
7327
    : StreamReq(stream, req_wrap_obj) { }
55
56
12943
void StreamListener::PassReadErrorToPreviousListener(ssize_t nread) {
57
12943
  CHECK_NOT_NULL(previous_listener_);
58
12943
  previous_listener_->OnStreamRead(nread, uv_buf_init(nullptr, 0));
59
12943
}
60
61
102865
void StreamResource::PushStreamListener(StreamListener* listener) {
62
102865
  CHECK_NOT_NULL(listener);
63
102865
  CHECK_NULL(listener->stream_);
64
65
102865
  listener->previous_listener_ = listener_;
66
102865
  listener->stream_ = this;
67
68
102865
  listener_ = listener;
69
102865
}
70
71
102527
void StreamResource::RemoveStreamListener(StreamListener* listener) {
72
102527
  CHECK_NOT_NULL(listener);
73
74
  StreamListener* previous;
75
  StreamListener* current;
76
77
  // Remove from the linked list.
78
102527
  for (current = listener_, previous = nullptr;
79
       /* No loop condition because we want a crash if listener is not found */
80
581
       ; previous = current, current = current->previous_listener_) {
81
103108
    CHECK_NOT_NULL(current);
82
103108
    if (current == listener) {
83
102527
      if (previous != nullptr)
84
581
        previous->previous_listener_ = current->previous_listener_;
85
      else
86
101946
        listener_ = listener->previous_listener_;
87
102527
      break;
88
    }
89
581
  }
90
91
102527
  listener->stream_ = nullptr;
92
102527
  listener->previous_listener_ = nullptr;
93
102527
}
94
95
344046
uv_buf_t StreamResource::EmitAlloc(size_t suggested_size) {
96
344046
  DebugSealHandleScope seal_handle_scope;
97
344046
  return listener_->OnStreamAlloc(suggested_size);
98
}
99
100
358318
void StreamResource::EmitRead(ssize_t nread, const uv_buf_t& buf) {
101
358318
  DebugSealHandleScope seal_handle_scope;
102
358318
  if (nread > 0)
103
338799
    bytes_read_ += static_cast<uint64_t>(nread);
104
358318
  listener_->OnStreamRead(nread, buf);
105
358237
}
106
107
7312
void StreamResource::EmitAfterWrite(WriteWrap* w, int status) {
108
7312
  DebugSealHandleScope seal_handle_scope;
109
7312
  listener_->OnStreamAfterWrite(w, status);
110
7311
}
111
112
6534
void StreamResource::EmitAfterShutdown(ShutdownWrap* w, int status) {
113
6534
  DebugSealHandleScope seal_handle_scope;
114
6534
  listener_->OnStreamAfterShutdown(w, status);
115
6534
}
116
117
2414
void StreamResource::EmitWantsWrite(size_t suggested_size) {
118
2414
  DebugSealHandleScope seal_handle_scope;
119
2414
  listener_->OnStreamWantsWrite(suggested_size);
120
2414
}
121
122
63332
StreamBase::StreamBase(Environment* env) : env_(env) {
123
63332
  PushStreamListener(&default_listener_);
124
63332
}
125
126
30671
int StreamBase::Shutdown(v8::Local<v8::Object> req_wrap_obj) {
127
30671
  Environment* env = stream_env();
128
129
61342
  v8::HandleScope handle_scope(env->isolate());
130
131
30671
  if (req_wrap_obj.IsEmpty()) {
132
1899
    if (!env->shutdown_wrap_template()
133
1899
             ->NewInstance(env->context())
134
633
             .ToLocal(&req_wrap_obj)) {
135
      return UV_EBUSY;
136
    }
137
633
    StreamReq::ResetObject(req_wrap_obj);
138
  }
139
140
61342
  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
141
30671
  ShutdownWrap* req_wrap = CreateShutdownWrap(req_wrap_obj);
142
30671
  int err = DoShutdown(req_wrap);
143
144

30671
  if (err != 0 && req_wrap != nullptr) {
145
2
    req_wrap->Dispose();
146
  }
147
148
30671
  const char* msg = Error();
149
30671
  if (msg != nullptr) {
150
    req_wrap_obj->Set(
151
        env->context(),
152
        env->error_string(), OneByteString(env->isolate(), msg)).Check();
153
    ClearError();
154
  }
155
156
30671
  return err;
157
}
158
159
98680
StreamWriteResult StreamBase::Write(
160
    uv_buf_t* bufs,
161
    size_t count,
162
    uv_stream_t* send_handle,
163
    v8::Local<v8::Object> req_wrap_obj) {
164
98680
  Environment* env = stream_env();
165
  int err;
166
167
98680
  size_t total_bytes = 0;
168
340461
  for (size_t i = 0; i < count; ++i)
169
241781
    total_bytes += bufs[i].len;
170
98680
  bytes_written_ += total_bytes;
171
172
98680
  if (send_handle == nullptr) {
173
98580
    err = DoTryWrite(&bufs, &count);
174

98580
    if (err != 0 || count == 0) {
175
91353
      return StreamWriteResult { false, err, nullptr, total_bytes };
176
    }
177
  }
178
179
14653
  v8::HandleScope handle_scope(env->isolate());
180
181
7327
  if (req_wrap_obj.IsEmpty()) {
182
6105
    if (!env->write_wrap_template()
183
6105
             ->NewInstance(env->context())
184
2035
             .ToLocal(&req_wrap_obj)) {
185
      return StreamWriteResult { false, UV_EBUSY, nullptr, 0 };
186
    }
187
2035
    StreamReq::ResetObject(req_wrap_obj);
188
  }
189
190
14653
  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
191
7327
  WriteWrap* req_wrap = CreateWriteWrap(req_wrap_obj);
192
193
7327
  err = DoWrite(req_wrap, bufs, count, send_handle);
194
7326
  bool async = err == 0;
195
196
7326
  if (!async) {
197
7
    req_wrap->Dispose();
198
7
    req_wrap = nullptr;
199
  }
200
201
7326
  const char* msg = Error();
202
7326
  if (msg != nullptr) {
203
8
    req_wrap_obj->Set(env->context(),
204
                      env->error_string(),
205
20
                      OneByteString(env->isolate(), msg)).Check();
206
4
    ClearError();
207
  }
208
209
7326
  return StreamWriteResult { async, err, req_wrap, total_bytes };
210
}
211
212
template <typename OtherBase>
213
6539
SimpleShutdownWrap<OtherBase>::SimpleShutdownWrap(
214
    StreamBase* stream,
215
    v8::Local<v8::Object> req_wrap_obj)
216
  : ShutdownWrap(stream, req_wrap_obj),
217
    OtherBase(stream->stream_env(),
218
              req_wrap_obj,
219
6539
              AsyncWrap::PROVIDER_SHUTDOWNWRAP) {
220
6539
}
221
222
template <typename OtherBase>
223
7327
SimpleWriteWrap<OtherBase>::SimpleWriteWrap(
224
    StreamBase* stream,
225
    v8::Local<v8::Object> req_wrap_obj)
226
  : WriteWrap(stream, req_wrap_obj),
227
    OtherBase(stream->stream_env(),
228
              req_wrap_obj,
229
7327
              AsyncWrap::PROVIDER_WRITEWRAP) {
230
7327
}
231
232
63332
void StreamBase::AttachToObject(v8::Local<v8::Object> obj) {
233
63332
  obj->SetAlignedPointerInInternalField(
234
63332
      StreamBase::kStreamBaseField, this);
235
63332
}
236
237
512046
StreamBase* StreamBase::FromObject(v8::Local<v8::Object> obj) {
238
1024092
  if (obj->GetAlignedPointerFromInternalField(StreamBase::kSlot) == nullptr)
239
1
    return nullptr;
240
241
  return static_cast<StreamBase*>(
242
512045
      obj->GetAlignedPointerFromInternalField(
243
512045
          StreamBase::kStreamBaseField));
244
}
245
246
3445
void WriteWrap::SetAllocatedStorage(AllocatedBuffer&& storage) {
247
3445
  CHECK_NULL(storage_.data());
248
3445
  storage_ = std::move(storage);
249
3445
}
250
251
13846
void StreamReq::Done(int status, const char* error_str) {
252
13846
  AsyncWrap* async_wrap = GetAsyncWrap();
253
13846
  Environment* env = async_wrap->env();
254
13846
  if (error_str != nullptr) {
255
9
    async_wrap->object()->Set(env->context(),
256
                              env->error_string(),
257
15
                              OneByteString(env->isolate(), error_str))
258
                              .Check();
259
  }
260
261
13846
  OnDone(status);
262
13845
}
263
264
362757
void StreamReq::ResetObject(v8::Local<v8::Object> obj) {
265
  DCHECK_GT(obj->InternalFieldCount(), StreamReq::kStreamReqField);
266
267
362757
  obj->SetAlignedPointerInInternalField(StreamReq::kSlot, nullptr);
268
362757
  obj->SetAlignedPointerInInternalField(StreamReq::kStreamReqField, nullptr);
269
362757
}
270
271
}  // namespace node
272
273
#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
274
275
#endif  // SRC_STREAM_BASE_INL_H_