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: 160 165 97.0 %
Date: 2021-04-30 04:12:06 Branches: 43 54 79.6 %

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
15179
StreamReq::StreamReq(
16
    StreamBase* stream,
17
15179
    v8::Local<v8::Object> req_wrap_obj) : stream_(stream) {
18
15179
  AttachToObject(req_wrap_obj);
19
15179
}
20
21
15179
void StreamReq::AttachToObject(v8::Local<v8::Object> req_wrap_obj) {
22
30358
  CHECK_EQ(req_wrap_obj->GetAlignedPointerFromInternalField(
23
               StreamReq::kStreamReqField),
24
           nullptr);
25
15179
  req_wrap_obj->SetAlignedPointerInInternalField(
26
15179
      StreamReq::kStreamReqField, this);
27
15179
}
28
29
7685
StreamReq* StreamReq::FromObject(v8::Local<v8::Object> req_wrap_obj) {
30
  return static_cast<StreamReq*>(
31
7685
      req_wrap_obj->GetAlignedPointerFromInternalField(
32
7685
          StreamReq::kStreamReqField));
33
}
34
35
15166
void StreamReq::Dispose() {
36
30332
  BaseObjectPtr<AsyncWrap> destroy_me{GetAsyncWrap()};
37
45498
  object()->SetAlignedPointerInInternalField(
38
15166
      StreamReq::kStreamReqField, nullptr);
39
15166
  destroy_me->Detach();
40
15166
}
41
42
15784
v8::Local<v8::Object> StreamReq::object() {
43
15784
  return GetAsyncWrap()->object();
44
}
45
46
7420
ShutdownWrap::ShutdownWrap(
47
    StreamBase* stream,
48
7420
    v8::Local<v8::Object> req_wrap_obj)
49
7420
    : StreamReq(stream, req_wrap_obj) { }
50
51
7759
WriteWrap::WriteWrap(
52
    StreamBase* stream,
53
7759
    v8::Local<v8::Object> req_wrap_obj)
54
7759
    : StreamReq(stream, req_wrap_obj) { }
55
56
12964
void StreamListener::PassReadErrorToPreviousListener(ssize_t nread) {
57
12964
  CHECK_NOT_NULL(previous_listener_);
58
12964
  previous_listener_->OnStreamRead(nread, uv_buf_init(nullptr, 0));
59
12964
}
60
61
105427
void StreamResource::PushStreamListener(StreamListener* listener) {
62
105427
  CHECK_NOT_NULL(listener);
63
105427
  CHECK_NULL(listener->stream_);
64
65
105427
  listener->previous_listener_ = listener_;
66
105427
  listener->stream_ = this;
67
68
105427
  listener_ = listener;
69
105427
}
70
71
104773
void StreamResource::RemoveStreamListener(StreamListener* listener) {
72
104773
  CHECK_NOT_NULL(listener);
73
74
  StreamListener* previous;
75
  StreamListener* current;
76
77
  // Remove from the linked list.
78
104773
  for (current = listener_, previous = nullptr;
79
       /* No loop condition because we want a crash if listener is not found */
80
608
       ; previous = current, current = current->previous_listener_) {
81
105381
    CHECK_NOT_NULL(current);
82
105381
    if (current == listener) {
83
104773
      if (previous != nullptr)
84
608
        previous->previous_listener_ = current->previous_listener_;
85
      else
86
104165
        listener_ = listener->previous_listener_;
87
104773
      break;
88
    }
89
608
  }
90
91
104773
  listener->stream_ = nullptr;
92
104773
  listener->previous_listener_ = nullptr;
93
104773
}
94
95
89043
uv_buf_t StreamResource::EmitAlloc(size_t suggested_size) {
96
89043
  DebugSealHandleScope seal_handle_scope;
97
89043
  return listener_->OnStreamAlloc(suggested_size);
98
}
99
100
103308
void StreamResource::EmitRead(ssize_t nread, const uv_buf_t& buf) {
101
103308
  DebugSealHandleScope seal_handle_scope;
102
103308
  if (nread > 0)
103
83072
    bytes_read_ += static_cast<uint64_t>(nread);
104
103308
  listener_->OnStreamRead(nread, buf);
105
103110
}
106
107
7743
void StreamResource::EmitAfterWrite(WriteWrap* w, int status) {
108
7743
  DebugSealHandleScope seal_handle_scope;
109
7743
  listener_->OnStreamAfterWrite(w, status);
110
7742
}
111
112
7414
void StreamResource::EmitAfterShutdown(ShutdownWrap* w, int status) {
113
7414
  DebugSealHandleScope seal_handle_scope;
114
7414
  listener_->OnStreamAfterShutdown(w, status);
115
7414
}
116
117
2717
void StreamResource::EmitWantsWrite(size_t suggested_size) {
118
2717
  DebugSealHandleScope seal_handle_scope;
119
2717
  listener_->OnStreamWantsWrite(suggested_size);
120
2717
}
121
122
65466
StreamBase::StreamBase(Environment* env) : env_(env) {
123
65466
  PushStreamListener(&default_listener_);
124
65466
}
125
126
31507
int StreamBase::Shutdown(v8::Local<v8::Object> req_wrap_obj) {
127
31507
  Environment* env = stream_env();
128
129
63014
  v8::HandleScope handle_scope(env->isolate());
130
131
31507
  if (req_wrap_obj.IsEmpty()) {
132
1851
    if (!env->shutdown_wrap_template()
133
1851
             ->NewInstance(env->context())
134
617
             .ToLocal(&req_wrap_obj)) {
135
      return UV_EBUSY;
136
    }
137
617
    StreamReq::ResetObject(req_wrap_obj);
138
  }
139
140
63014
  BaseObjectPtr<AsyncWrap> req_wrap_ptr;
141
63014
  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
142
31507
  ShutdownWrap* req_wrap = CreateShutdownWrap(req_wrap_obj);
143
31507
  if (req_wrap != nullptr)
144
7420
    req_wrap_ptr.reset(req_wrap->GetAsyncWrap());
145
31507
  int err = DoShutdown(req_wrap);
146
147

31507
  if (err != 0 && req_wrap != nullptr) {
148
2
    req_wrap->Dispose();
149
  }
150
151
31507
  const char* msg = Error();
152
31507
  if (msg != nullptr) {
153
    req_wrap_obj->Set(
154
        env->context(),
155
        env->error_string(), OneByteString(env->isolate(), msg)).Check();
156
    ClearError();
157
  }
158
159
31507
  return err;
160
}
161
162
100159
StreamWriteResult StreamBase::Write(
163
    uv_buf_t* bufs,
164
    size_t count,
165
    uv_stream_t* send_handle,
166
    v8::Local<v8::Object> req_wrap_obj) {
167
100159
  Environment* env = stream_env();
168
  int err;
169
170
100159
  size_t total_bytes = 0;
171
347582
  for (size_t i = 0; i < count; ++i)
172
247423
    total_bytes += bufs[i].len;
173
100159
  bytes_written_ += total_bytes;
174
175
100159
  if (send_handle == nullptr) {
176
100053
    err = DoTryWrite(&bufs, &count);
177

100053
    if (err != 0 || count == 0) {
178
92400
      return StreamWriteResult { false, err, nullptr, total_bytes, {} };
179
    }
180
  }
181
182
15517
  v8::HandleScope handle_scope(env->isolate());
183
184
7759
  if (req_wrap_obj.IsEmpty()) {
185
6996
    if (!env->write_wrap_template()
186
6996
             ->NewInstance(env->context())
187
2332
             .ToLocal(&req_wrap_obj)) {
188
      return StreamWriteResult { false, UV_EBUSY, nullptr, 0, {} };
189
    }
190
2332
    StreamReq::ResetObject(req_wrap_obj);
191
  }
192
193
15517
  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(GetAsyncWrap());
194
7759
  WriteWrap* req_wrap = CreateWriteWrap(req_wrap_obj);
195
15517
  BaseObjectPtr<AsyncWrap> req_wrap_ptr(req_wrap->GetAsyncWrap());
196
197
7759
  err = DoWrite(req_wrap, bufs, count, send_handle);
198
7758
  bool async = err == 0;
199
200
7758
  if (!async) {
201
8
    req_wrap->Dispose();
202
8
    req_wrap = nullptr;
203
  }
204
205
7758
  const char* msg = Error();
206
7758
  if (msg != nullptr) {
207
12
    req_wrap_obj->Set(env->context(),
208
                      env->error_string(),
209
30
                      OneByteString(env->isolate(), msg)).Check();
210
6
    ClearError();
211
  }
212
213
  return StreamWriteResult {
214
7758
      async, err, req_wrap, total_bytes, std::move(req_wrap_ptr) };
215
}
216
217
template <typename OtherBase>
218
7420
SimpleShutdownWrap<OtherBase>::SimpleShutdownWrap(
219
    StreamBase* stream,
220
    v8::Local<v8::Object> req_wrap_obj)
221
  : ShutdownWrap(stream, req_wrap_obj),
222
    OtherBase(stream->stream_env(),
223
              req_wrap_obj,
224
7420
              AsyncWrap::PROVIDER_SHUTDOWNWRAP) {
225
7420
}
226
227
template <typename OtherBase>
228
7759
SimpleWriteWrap<OtherBase>::SimpleWriteWrap(
229
    StreamBase* stream,
230
    v8::Local<v8::Object> req_wrap_obj)
231
  : WriteWrap(stream, req_wrap_obj),
232
    OtherBase(stream->stream_env(),
233
              req_wrap_obj,
234
7759
              AsyncWrap::PROVIDER_WRITEWRAP) {
235
7759
}
236
237
65466
void StreamBase::AttachToObject(v8::Local<v8::Object> obj) {
238
65466
  obj->SetAlignedPointerInInternalField(
239
65466
      StreamBase::kStreamBaseField, this);
240
65466
}
241
242
291283
StreamBase* StreamBase::FromObject(v8::Local<v8::Object> obj) {
243
582566
  if (obj->GetAlignedPointerFromInternalField(StreamBase::kSlot) == nullptr)
244
1
    return nullptr;
245
246
  return static_cast<StreamBase*>(
247
291282
      obj->GetAlignedPointerFromInternalField(
248
291282
          StreamBase::kStreamBaseField));
249
}
250
251
7076
WriteWrap* WriteWrap::FromObject(v8::Local<v8::Object> req_wrap_obj) {
252
7076
  return static_cast<WriteWrap*>(StreamReq::FromObject(req_wrap_obj));
253
}
254
255
template <typename T, bool kIsWeak>
256
7076
WriteWrap* WriteWrap::FromObject(
257
    const BaseObjectPtrImpl<T, kIsWeak>& base_obj) {
258
7076
  if (!base_obj) return nullptr;
259
7076
  return FromObject(base_obj->object());
260
}
261
262
ShutdownWrap* ShutdownWrap::FromObject(v8::Local<v8::Object> req_wrap_obj) {
263
  return static_cast<ShutdownWrap*>(StreamReq::FromObject(req_wrap_obj));
264
}
265
266
template <typename T, bool kIsWeak>
267
ShutdownWrap* ShutdownWrap::FromObject(
268
    const BaseObjectPtrImpl<T, kIsWeak>& base_obj) {
269
  if (!base_obj) return nullptr;
270
  return FromObject(base_obj->object());
271
}
272
273
3475
void WriteWrap::SetAllocatedStorage(AllocatedBuffer&& storage) {
274
3475
  CHECK_NULL(storage_.data());
275
3475
  storage_ = std::move(storage);
276
3475
}
277
278
15157
void StreamReq::Done(int status, const char* error_str) {
279
15157
  AsyncWrap* async_wrap = GetAsyncWrap();
280
15157
  Environment* env = async_wrap->env();
281
15157
  if (error_str != nullptr) {
282
12
    async_wrap->object()->Set(env->context(),
283
                              env->error_string(),
284
20
                              OneByteString(env->isolate(), error_str))
285
                              .Check();
286
  }
287
288
15157
  OnDone(status);
289
15156
}
290
291
118530
void StreamReq::ResetObject(v8::Local<v8::Object> obj) {
292
  DCHECK_GT(obj->InternalFieldCount(), StreamReq::kStreamReqField);
293
294
118530
  obj->SetAlignedPointerInInternalField(StreamReq::kSlot, nullptr);
295
118530
  obj->SetAlignedPointerInInternalField(StreamReq::kStreamReqField, nullptr);
296
118530
}
297
298
}  // namespace node
299
300
#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
301
302
#endif  // SRC_STREAM_BASE_INL_H_