1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
// 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.
#include "pipe_wrap.h"
#include "async-wrap.h"
#include "connection_wrap.h"
#include "env-inl.h"
#include "handle_wrap.h"
#include "node.h"
#include "node_buffer.h"
#include "node_wrap.h"
#include "connect_wrap.h"
#include "stream_wrap.h"
#include "util-inl.h"
namespace node {
using v8::Context;
using v8::EscapableHandleScope;
using v8::Function;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;
using AsyncHooks = Environment::AsyncHooks;
Local<Object> PipeWrap::Instantiate(Environment* env, AsyncWrap* parent) {
EscapableHandleScope handle_scope(env->isolate());
AsyncHooks::InitScope init_scope(env, parent->get_async_id());
CHECK_EQ(false, env->pipe_constructor_template().IsEmpty());
Local<Function> constructor = env->pipe_constructor_template()->GetFunction();
CHECK_EQ(false, constructor.IsEmpty());
Local<Object> instance =
constructor->NewInstance(env->context()).ToLocalChecked();
return handle_scope.Escape(instance);
}
void PipeWrap::Initialize(Local<Object> target,
Local<Value> unused,
Local<Context> context) {
Environment* env = Environment::GetCurrent(context);
Local<FunctionTemplate> t = env->NewFunctionTemplate(New);
Local<String> pipeString = FIXED_ONE_BYTE_STRING(env->isolate(), "Pipe");
t->SetClassName(pipeString);
t->InstanceTemplate()->SetInternalFieldCount(1);
AsyncWrap::AddWrapMethods(env, t);
env->SetProtoMethod(t, "close", HandleWrap::Close);
env->SetProtoMethod(t, "unref", HandleWrap::Unref);
env->SetProtoMethod(t, "ref", HandleWrap::Ref);
env->SetProtoMethod(t, "hasRef", HandleWrap::HasRef);
#ifdef _WIN32
LibuvStreamWrap::AddMethods(env, t);
#else
LibuvStreamWrap::AddMethods(env, t, StreamBase::kFlagHasWritev);
#endif
env->SetProtoMethod(t, "bind", Bind);
env->SetProtoMethod(t, "listen", Listen);
env->SetProtoMethod(t, "connect", Connect);
env->SetProtoMethod(t, "open", Open);
#ifdef _WIN32
env->SetProtoMethod(t, "setPendingInstances", SetPendingInstances);
#endif
target->Set(pipeString, t->GetFunction());
env->set_pipe_constructor_template(t);
// Create FunctionTemplate for PipeConnectWrap.
auto constructor = [](const FunctionCallbackInfo<Value>& args) {
CHECK(args.IsConstructCall());
ClearWrap(args.This());
};
auto cwt = FunctionTemplate::New(env->isolate(), constructor);
cwt->InstanceTemplate()->SetInternalFieldCount(1);
AsyncWrap::AddWrapMethods(env, cwt);
Local<String> wrapString =
FIXED_ONE_BYTE_STRING(env->isolate(), "PipeConnectWrap");
cwt->SetClassName(wrapString);
target->Set(wrapString, cwt->GetFunction());
}
void PipeWrap::New(const FunctionCallbackInfo<Value>& args) {
// This constructor should not be exposed to public javascript.
// Therefore we assert that we are not trying to call this as a
// normal function.
CHECK(args.IsConstructCall());
Environment* env = Environment::GetCurrent(args);
new PipeWrap(env, args.This(), args[0]->IsTrue());
}
PipeWrap::PipeWrap(Environment* env,
Local<Object> object,
bool ipc)
: ConnectionWrap(env,
object,
AsyncWrap::PROVIDER_PIPEWRAP) {
int r = uv_pipe_init(env->event_loop(), &handle_, ipc);
CHECK_EQ(r, 0); // How do we proxy this error up to javascript?
// Suggestion: uv_pipe_init() returns void.
UpdateWriteQueueSize();
}
void PipeWrap::Bind(const FunctionCallbackInfo<Value>& args) {
PipeWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
node::Utf8Value name(args.GetIsolate(), args[0]);
int err = uv_pipe_bind(&wrap->handle_, *name);
args.GetReturnValue().Set(err);
}
#ifdef _WIN32
void PipeWrap::SetPendingInstances(const FunctionCallbackInfo<Value>& args) {
PipeWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
int instances = args[0]->Int32Value();
uv_pipe_pending_instances(&wrap->handle_, instances);
}
#endif
void PipeWrap::Listen(const FunctionCallbackInfo<Value>& args) {
PipeWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
int backlog = args[0]->Int32Value();
int err = uv_listen(reinterpret_cast<uv_stream_t*>(&wrap->handle_),
backlog,
OnConnection);
args.GetReturnValue().Set(err);
}
void PipeWrap::Open(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
PipeWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
int fd = args[0]->Int32Value();
int err = uv_pipe_open(&wrap->handle_, fd);
if (err != 0)
env->isolate()->ThrowException(UVException(err, "uv_pipe_open"));
}
void PipeWrap::Connect(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
PipeWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK(args[0]->IsObject());
CHECK(args[1]->IsString());
Local<Object> req_wrap_obj = args[0].As<Object>();
node::Utf8Value name(env->isolate(), args[1]);
ConnectWrap* req_wrap =
new ConnectWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_PIPECONNECTWRAP);
uv_pipe_connect(req_wrap->req(),
&wrap->handle_,
*name,
AfterConnect);
req_wrap->Dispatched();
args.GetReturnValue().Set(0); // uv_pipe_connect() doesn't return errors.
}
} // namespace node
NODE_BUILTIN_MODULE_CONTEXT_AWARE(pipe_wrap, node::PipeWrap::Initialize)
|