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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/tcp_wrap.cc	Lines:	171	177	96.6 %
Date:	2021-02-11 04:11:15	Branches:	52	104	50.0 %


// 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 "tcp_wrap.h"

#include "connection_wrap.h"
#include "env-inl.h"
#include "handle_wrap.h"
#include "node_buffer.h"
#include "node_internals.h"
#include "connect_wrap.h"
#include "stream_base-inl.h"
#include "stream_wrap.h"
#include "util-inl.h"

#include <cstdlib>


namespace node {

using v8::Boolean;
using v8::Context;
using v8::EscapableHandleScope;
using v8::Function;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::Int32;
using v8::Integer;
using v8::Local;
using v8::MaybeLocal;
using v8::Object;
using v8::String;
using v8::Uint32;
using v8::Value;

MaybeLocal<Object> TCPWrap::Instantiate(Environment* env,
                                        AsyncWrap* parent,
                                        TCPWrap::SocketType type) {
  EscapableHandleScope handle_scope(env->isolate());
  AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(parent);
  CHECK_EQ(env->tcp_constructor_template().IsEmpty(), false);
  Local<Function> constructor = env->tcp_constructor_template()
                                    ->GetFunction(env->context())
                                    .ToLocalChecked();
  CHECK_EQ(constructor.IsEmpty(), false);
  Local<Value> type_value = Int32::New(env->isolate(), type);
  return handle_scope.EscapeMaybe(
      constructor->NewInstance(env->context(), 1, &type_value));
}


void TCPWrap::Initialize(Local<Object> target,
                         Local<Value> unused,
                         Local<Context> context,
                         void* priv) {
  Environment* env = Environment::GetCurrent(context);

  Local<FunctionTemplate> t = env->NewFunctionTemplate(New);
  t->InstanceTemplate()->SetInternalFieldCount(StreamBase::kInternalFieldCount);

  // Init properties
  t->InstanceTemplate()->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "reading"),
                             Boolean::New(env->isolate(), false));
  t->InstanceTemplate()->Set(env->owner_symbol(), Null(env->isolate()));
  t->InstanceTemplate()->Set(env->onconnection_string(), Null(env->isolate()));

  t->Inherit(LibuvStreamWrap::GetConstructorTemplate(env));

  env->SetProtoMethod(t, "open", Open);
  env->SetProtoMethod(t, "bind", Bind);
  env->SetProtoMethod(t, "listen", Listen);
  env->SetProtoMethod(t, "connect", Connect);
  env->SetProtoMethod(t, "bind6", Bind6);
  env->SetProtoMethod(t, "connect6", Connect6);
  env->SetProtoMethod(t, "getsockname",
                      GetSockOrPeerName<TCPWrap, uv_tcp_getsockname>);
  env->SetProtoMethod(t, "getpeername",
                      GetSockOrPeerName<TCPWrap, uv_tcp_getpeername>);
  env->SetProtoMethod(t, "setNoDelay", SetNoDelay);
  env->SetProtoMethod(t, "setKeepAlive", SetKeepAlive);

#ifdef _WIN32
  env->SetProtoMethod(t, "setSimultaneousAccepts", SetSimultaneousAccepts);
#endif

  env->SetConstructorFunction(target, "TCP", t);
  env->set_tcp_constructor_template(t);

  // Create FunctionTemplate for TCPConnectWrap.
  Local<FunctionTemplate> cwt =
      BaseObject::MakeLazilyInitializedJSTemplate(env);
  cwt->Inherit(AsyncWrap::GetConstructorTemplate(env));
  env->SetConstructorFunction(target, "TCPConnectWrap", cwt);

  // Define constants
  Local<Object> constants = Object::New(env->isolate());
  NODE_DEFINE_CONSTANT(constants, SOCKET);
  NODE_DEFINE_CONSTANT(constants, SERVER);
  NODE_DEFINE_CONSTANT(constants, UV_TCP_IPV6ONLY);
  target->Set(context,
              env->constants_string(),
              constants).Check();
}


void TCPWrap::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());
  CHECK(args[0]->IsInt32());
  Environment* env = Environment::GetCurrent(args);

  int type_value = args[0].As<Int32>()->Value();
  TCPWrap::SocketType type = static_cast<TCPWrap::SocketType>(type_value);

  ProviderType provider;
  switch (type) {
    case SOCKET:
      provider = PROVIDER_TCPWRAP;
      break;
    case SERVER:
      provider = PROVIDER_TCPSERVERWRAP;
      break;
    default:
      UNREACHABLE();
  }

  new TCPWrap(env, args.This(), provider);
}


TCPWrap::TCPWrap(Environment* env, Local<Object> object, ProviderType provider)
    : ConnectionWrap(env, object, provider) {
  int r = uv_tcp_init(env->event_loop(), &handle_);
  CHECK_EQ(r, 0);  // How do we proxy this error up to javascript?
                   // Suggestion: uv_tcp_init() returns void.
}


void TCPWrap::SetNoDelay(const FunctionCallbackInfo<Value>& args) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  int enable = static_cast<int>(args[0]->IsTrue());
  int err = uv_tcp_nodelay(&wrap->handle_, enable);
  args.GetReturnValue().Set(err);
}


void TCPWrap::SetKeepAlive(const FunctionCallbackInfo<Value>& args) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  Environment* env = wrap->env();
  int enable;
  if (!args[0]->Int32Value(env->context()).To(&enable)) return;
  unsigned int delay = static_cast<unsigned int>(args[1].As<Uint32>()->Value());
  int err = uv_tcp_keepalive(&wrap->handle_, enable, delay);
  args.GetReturnValue().Set(err);
}


#ifdef _WIN32
void TCPWrap::SetSimultaneousAccepts(const FunctionCallbackInfo<Value>& args) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  bool enable = args[0]->IsTrue();
  int err = uv_tcp_simultaneous_accepts(&wrap->handle_, enable);
  args.GetReturnValue().Set(err);
}
#endif


void TCPWrap::Open(const FunctionCallbackInfo<Value>& args) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  int64_t val;
  if (!args[0]->IntegerValue(args.GetIsolate()->GetCurrentContext()).To(&val))
    return;
  int fd = static_cast<int>(val);
  int err = uv_tcp_open(&wrap->handle_, fd);

  if (err == 0)
    wrap->set_fd(fd);

  args.GetReturnValue().Set(err);
}

template <typename T>
void TCPWrap::Bind(
    const FunctionCallbackInfo<Value>& args,
    int family,
    std::function<int(const char* ip_address, int port, T* addr)> uv_ip_addr) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  Environment* env = wrap->env();
  node::Utf8Value ip_address(env->isolate(), args[0]);
  int port;
  unsigned int flags = 0;
  if (!args[1]->Int32Value(env->context()).To(&port)) return;
  if (family == AF_INET6 &&
      !args[2]->Uint32Value(env->context()).To(&flags)) {
    return;
  }

  T addr;
  int err = uv_ip_addr(*ip_address, port, &addr);

  if (err == 0) {
    err = uv_tcp_bind(&wrap->handle_,
                      reinterpret_cast<const sockaddr*>(&addr),
                      flags);
  }
  args.GetReturnValue().Set(err);
}

void TCPWrap::Bind(const FunctionCallbackInfo<Value>& args) {
  Bind<sockaddr_in>(args, AF_INET, uv_ip4_addr);
}


void TCPWrap::Bind6(const FunctionCallbackInfo<Value>& args) {
  Bind<sockaddr_in6>(args, AF_INET6, uv_ip6_addr);
}


void TCPWrap::Listen(const FunctionCallbackInfo<Value>& args) {
  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  Environment* env = wrap->env();
  int backlog;
  if (!args[0]->Int32Value(env->context()).To(&backlog)) return;
  int err = uv_listen(reinterpret_cast<uv_stream_t*>(&wrap->handle_),
                      backlog,
                      OnConnection);
  args.GetReturnValue().Set(err);
}


void TCPWrap::Connect(const FunctionCallbackInfo<Value>& args) {
  CHECK(args[2]->IsUint32());
  // explicit cast to fit to libuv's type expectation
  int port = static_cast<int>(args[2].As<Uint32>()->Value());
  Connect<sockaddr_in>(args,
                       [port](const char* ip_address, sockaddr_in* addr) {
      return uv_ip4_addr(ip_address, port, addr);
  });
}


void TCPWrap::Connect6(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  CHECK(args[2]->IsUint32());
  int port;
  if (!args[2]->Int32Value(env->context()).To(&port)) return;
  Connect<sockaddr_in6>(args,
                        [port](const char* ip_address, sockaddr_in6* addr) {
      return uv_ip6_addr(ip_address, port, addr);
  });
}

template <typename T>
void TCPWrap::Connect(const FunctionCallbackInfo<Value>& args,
    std::function<int(const char* ip_address, T* addr)> uv_ip_addr) {
  Environment* env = Environment::GetCurrent(args);

  TCPWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));

  CHECK(args[0]->IsObject());
  CHECK(args[1]->IsString());

  Local<Object> req_wrap_obj = args[0].As<Object>();
  node::Utf8Value ip_address(env->isolate(), args[1]);

  T addr;
  int err = uv_ip_addr(*ip_address, &addr);

  if (err == 0) {
    AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(wrap);
    ConnectWrap* req_wrap =
        new ConnectWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_TCPCONNECTWRAP);
    err = req_wrap->Dispatch(uv_tcp_connect,
                             &wrap->handle_,
                             reinterpret_cast<const sockaddr*>(&addr),
                             AfterConnect);
    if (err)
      delete req_wrap;
  }

  args.GetReturnValue().Set(err);
}


// also used by udp_wrap.cc
Local<Object> AddressToJS(Environment* env,
                          const sockaddr* addr,
                          Local<Object> info) {
  EscapableHandleScope scope(env->isolate());
  char ip[INET6_ADDRSTRLEN + UV_IF_NAMESIZE];
  const sockaddr_in* a4;
  const sockaddr_in6* a6;

  int port;

  if (info.IsEmpty())
    info = Object::New(env->isolate());

  switch (addr->sa_family) {
  case AF_INET6:
    a6 = reinterpret_cast<const sockaddr_in6*>(addr);
    uv_inet_ntop(AF_INET6, &a6->sin6_addr, ip, sizeof ip);
    // Add an interface identifier to a link local address.
    if (IN6_IS_ADDR_LINKLOCAL(&a6->sin6_addr)) {
        const size_t addrlen = strlen(ip);
        CHECK_LT(addrlen, sizeof(ip));
        ip[addrlen] = '%';
        size_t scopeidlen = sizeof(ip) - addrlen - 1;
        CHECK_GE(scopeidlen, UV_IF_NAMESIZE);
        const int r = uv_if_indextoiid(a6->sin6_scope_id,
                                       ip + addrlen + 1,
                                       &scopeidlen);
        CHECK_EQ(r, 0);
    }
    port = ntohs(a6->sin6_port);
    info->Set(env->context(),
              env->address_string(),
              OneByteString(env->isolate(), ip)).Check();
    info->Set(env->context(),
              env->family_string(),
              env->ipv6_string()).Check();
    info->Set(env->context(),
              env->port_string(),
              Integer::New(env->isolate(), port)).Check();
    break;

  case AF_INET:
    a4 = reinterpret_cast<const sockaddr_in*>(addr);
    uv_inet_ntop(AF_INET, &a4->sin_addr, ip, sizeof ip);
    port = ntohs(a4->sin_port);
    info->Set(env->context(),
              env->address_string(),
              OneByteString(env->isolate(), ip)).Check();
    info->Set(env->context(),
              env->family_string(),
              env->ipv4_string()).Check();
    info->Set(env->context(),
              env->port_string(),
              Integer::New(env->isolate(), port)).Check();
    break;

  default:
    info->Set(env->context(),
              env->address_string(),
              String::Empty(env->isolate())).Check();
  }

  return scope.Escape(info);
}


}  // namespace node

NODE_MODULE_CONTEXT_AWARE_INTERNAL(tcp_wrap, node::TCPWrap::Initialize)


Generated by: GCOVR (Version 3.4)

Line	Branch	Exec	Source
1			// Copyright Joyent, Inc. and other Node contributors.
2			//
3			// Permission is hereby granted, free of charge, to any person obtaining a
4			// copy of this software and associated documentation files (the
5			// "Software"), to deal in the Software without restriction, including
6			// without limitation the rights to use, copy, modify, merge, publish,
7			// distribute, sublicense, and/or sell copies of the Software, and to permit
8			// persons to whom the Software is furnished to do so, subject to the
9			// following conditions:
10			//
11			// The above copyright notice and this permission notice shall be included
12			// in all copies or substantial portions of the Software.
13			//
14			// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15			// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16			// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17			// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18			// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19			// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20			// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22			#include "tcp_wrap.h"
23
24			#include "connection_wrap.h"
25			#include "env-inl.h"
26			#include "handle_wrap.h"
27			#include "node_buffer.h"
28			#include "node_internals.h"
29			#include "connect_wrap.h"
30			#include "stream_base-inl.h"
31			#include "stream_wrap.h"
32			#include "util-inl.h"
33
34			#include <cstdlib>
35
36
37			namespace node {
38
39			using v8::Boolean;
40			using v8::Context;
41			using v8::EscapableHandleScope;
42			using v8::Function;
43			using v8::FunctionCallbackInfo;
44			using v8::FunctionTemplate;
45			using v8::Int32;
46			using v8::Integer;
47			using v8::Local;
48			using v8::MaybeLocal;
49			using v8::Object;
50			using v8::String;
51			using v8::Uint32;
52			using v8::Value;
53
54		5220	MaybeLocal<Object> TCPWrap::Instantiate(Environment* env,
55			AsyncWrap* parent,
56			TCPWrap::SocketType type) {
57		5220	EscapableHandleScope handle_scope(env->isolate());
58		10440	AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(parent);
59	✗✓	10440	CHECK_EQ(env->tcp_constructor_template().IsEmpty(), false);
60		10440	Local<Function> constructor = env->tcp_constructor_template()
61		15660	->GetFunction(env->context())
62		5220	.ToLocalChecked();
63	✗✓	5220	CHECK_EQ(constructor.IsEmpty(), false);
64		5220	Local<Value> type_value = Int32::New(env->isolate(), type);
65			return handle_scope.EscapeMaybe(
66		15660	constructor->NewInstance(env->context(), 1, &type_value));
67			}
68
69
70		4469	void TCPWrap::Initialize(Local<Object> target,
71			Local<Value> unused,
72			Local<Context> context,
73			void* priv) {
74		4469	Environment* env = Environment::GetCurrent(context);
75
76		4469	Local<FunctionTemplate> t = env->NewFunctionTemplate(New);
77		8938	t->InstanceTemplate()->SetInternalFieldCount(StreamBase::kInternalFieldCount);
78
79			// Init properties
80		22345	t->InstanceTemplate()->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "reading"),
81		4469	Boolean::New(env->isolate(), false));
82		17876	t->InstanceTemplate()->Set(env->owner_symbol(), Null(env->isolate()));
83		17876	t->InstanceTemplate()->Set(env->onconnection_string(), Null(env->isolate()));
84
85		8938	t->Inherit(LibuvStreamWrap::GetConstructorTemplate(env));
86
87		4469	env->SetProtoMethod(t, "open", Open);
88		4469	env->SetProtoMethod(t, "bind", Bind);
89		4469	env->SetProtoMethod(t, "listen", Listen);
90		4469	env->SetProtoMethod(t, "connect", Connect);
91		4469	env->SetProtoMethod(t, "bind6", Bind6);
92		4469	env->SetProtoMethod(t, "connect6", Connect6);
93			env->SetProtoMethod(t, "getsockname",
94		4469	GetSockOrPeerName<TCPWrap, uv_tcp_getsockname>);
95			env->SetProtoMethod(t, "getpeername",
96		4469	GetSockOrPeerName<TCPWrap, uv_tcp_getpeername>);
97		4469	env->SetProtoMethod(t, "setNoDelay", SetNoDelay);
98		4469	env->SetProtoMethod(t, "setKeepAlive", SetKeepAlive);
99
100			#ifdef _WIN32
101			env->SetProtoMethod(t, "setSimultaneousAccepts", SetSimultaneousAccepts);
102			#endif
103
104		4469	env->SetConstructorFunction(target, "TCP", t);
105		4469	env->set_tcp_constructor_template(t);
106
107			// Create FunctionTemplate for TCPConnectWrap.
108			Local<FunctionTemplate> cwt =
109		4469	BaseObject::MakeLazilyInitializedJSTemplate(env);
110		8938	cwt->Inherit(AsyncWrap::GetConstructorTemplate(env));
111		4469	env->SetConstructorFunction(target, "TCPConnectWrap", cwt);
112
113			// Define constants
114		4469	Local<Object> constants = Object::New(env->isolate());
115		17876	NODE_DEFINE_CONSTANT(constants, SOCKET);
116		4469	NODE_DEFINE_CONSTANT(constants, SERVER);
117		13407	NODE_DEFINE_CONSTANT(constants, UV_TCP_IPV6ONLY);
118		22345	target->Set(context,
119		31283	env->constants_string(),
120		35752	constants).Check();
121		13407	}
122
123
124		12426	void TCPWrap::New(const FunctionCallbackInfo<Value>& args) {
125			// This constructor should not be exposed to public javascript.
126			// Therefore we assert that we are not trying to call this as a
127			// normal function.
128	✗✓	12426	CHECK(args.IsConstructCall());
129	✗✓	24852	CHECK(args[0]->IsInt32());
130		12426	Environment* env = Environment::GetCurrent(args);
131
132		37278	int type_value = args[0].As<Int32>()->Value();
133		12426	TCPWrap::SocketType type = static_cast<TCPWrap::SocketType>(type_value);
134
135			ProviderType provider;
136	✓✓✗	12426	switch (type) {
137			case SOCKET:
138		10841	provider = PROVIDER_TCPWRAP;
139		10841	break;
140			case SERVER:
141		1585	provider = PROVIDER_TCPSERVERWRAP;
142		1585	break;
143			default:
144			UNREACHABLE();
145			}
146
147		12426	new TCPWrap(env, args.This(), provider);
148		12426	}
149
150
151		12426	TCPWrap::TCPWrap(Environment* env, Local<Object> object, ProviderType provider)
152		12426	: ConnectionWrap(env, object, provider) {
153		12426	int r = uv_tcp_init(env->event_loop(), &handle_);
154	✗✓	12426	CHECK_EQ(r, 0); // How do we proxy this error up to javascript?
155			// Suggestion: uv_tcp_init() returns void.
156		12426	}
157
158
159		677	void TCPWrap::SetNoDelay(const FunctionCallbackInfo<Value>& args) {
160			TCPWrap* wrap;
161	✗✓	677	ASSIGN_OR_RETURN_UNWRAP(&wrap,
162			args.Holder(),
163			args.GetReturnValue().Set(UV_EBADF));
164		1354	int enable = static_cast<int>(args[0]->IsTrue());
165		677	int err = uv_tcp_nodelay(&wrap->handle_, enable);
166		1354	args.GetReturnValue().Set(err);
167			}
168
169
170		191	void TCPWrap::SetKeepAlive(const FunctionCallbackInfo<Value>& args) {
171			TCPWrap* wrap;
172	✗✓	191	ASSIGN_OR_RETURN_UNWRAP(&wrap,
173			args.Holder(),
174			args.GetReturnValue().Set(UV_EBADF));
175		191	Environment* env = wrap->env();
176			int enable;
177	✗✓	764	if (!args[0]->Int32Value(env->context()).To(&enable)) return;
178		573	unsigned int delay = static_cast<unsigned int>(args[1].As<Uint32>()->Value());
179		191	int err = uv_tcp_keepalive(&wrap->handle_, enable, delay);
180		382	args.GetReturnValue().Set(err);
181			}
182
183
184			#ifdef _WIN32
185			void TCPWrap::SetSimultaneousAccepts(const FunctionCallbackInfo<Value>& args) {
186			TCPWrap* wrap;
187			ASSIGN_OR_RETURN_UNWRAP(&wrap,
188			args.Holder(),
189			args.GetReturnValue().Set(UV_EBADF));
190			bool enable = args[0]->IsTrue();
191			int err = uv_tcp_simultaneous_accepts(&wrap->handle_, enable);
192			args.GetReturnValue().Set(err);
193			}
194			#endif
195
196
197		2	void TCPWrap::Open(const FunctionCallbackInfo<Value>& args) {
198			TCPWrap* wrap;
199	✗✓	2	ASSIGN_OR_RETURN_UNWRAP(&wrap,
200			args.Holder(),
201			args.GetReturnValue().Set(UV_EBADF));
202			int64_t val;
203	✗✓	8	if (!args[0]->IntegerValue(args.GetIsolate()->GetCurrentContext()).To(&val))
204			return;
205		2	int fd = static_cast<int>(val);
206		2	int err = uv_tcp_open(&wrap->handle_, fd);
207
208	✓✗	2	if (err == 0)
209		2	wrap->set_fd(fd);
210
211		4	args.GetReturnValue().Set(err);
212			}
213
214			template <typename T>
215		1608	void TCPWrap::Bind(
216			const FunctionCallbackInfo<Value>& args,
217			int family,
218			std::function<int(const char* ip_address, int port, T* addr)> uv_ip_addr) {
219			TCPWrap* wrap;
220	✗✓✗✓	1608	ASSIGN_OR_RETURN_UNWRAP(&wrap,
221			args.Holder(),
222			args.GetReturnValue().Set(UV_EBADF));
223		1608	Environment* env = wrap->env();
224		3216	node::Utf8Value ip_address(env->isolate(), args[0]);
225			int port;
226		1608	unsigned int flags = 0;
227	✗✓✗✓	6432	if (!args[1]->Int32Value(env->context()).To(&port)) return;
228	✓✗✗✓ ✗✓✗✓ ✗✗✗✓	4683	if (family == AF_INET6 &&
229		7476	!args[2]->Uint32Value(env->context()).To(&flags)) {
230			return;
231			}
232
233			T addr;
234		1608	int err = uv_ip_addr(*ip_address, port, &addr);
235
236	✓✗✓✗	1608	if (err == 0) {
237		1608	err = uv_tcp_bind(&wrap->handle_,
238			reinterpret_cast<const sockaddr*>(&addr),
239			flags);
240			}
241	✓✗✓✗	3216	args.GetReturnValue().Set(err);
242			}
243
244		141	void TCPWrap::Bind(const FunctionCallbackInfo<Value>& args) {
245		141	Bind<sockaddr_in>(args, AF_INET, uv_ip4_addr);
246		141	}
247
248
249		1467	void TCPWrap::Bind6(const FunctionCallbackInfo<Value>& args) {
250		1467	Bind<sockaddr_in6>(args, AF_INET6, uv_ip6_addr);
251		1467	}
252
253
254		1591	void TCPWrap::Listen(const FunctionCallbackInfo<Value>& args) {
255			TCPWrap* wrap;
256	✗✓	1591	ASSIGN_OR_RETURN_UNWRAP(&wrap,
257			args.Holder(),
258			args.GetReturnValue().Set(UV_EBADF));
259		1591	Environment* env = wrap->env();
260			int backlog;
261	✗✓	6364	if (!args[0]->Int32Value(env->context()).To(&backlog)) return;
262		1591	int err = uv_listen(reinterpret_cast<uv_stream_t*>(&wrap->handle_),
263			backlog,
264		1591	OnConnection);
265		3182	args.GetReturnValue().Set(err);
266			}
267
268
269		5271	void TCPWrap::Connect(const FunctionCallbackInfo<Value>& args) {
270	✗✓	10542	CHECK(args[2]->IsUint32());
271			// explicit cast to fit to libuv's type expectation
272		15813	int port = static_cast<int>(args[2].As<Uint32>()->Value());
273		10542	Connect<sockaddr_in>(args,
274		5271	[port](const char* ip_address, sockaddr_in* addr) {
275			return uv_ip4_addr(ip_address, port, addr);
276		10542	});
277		5271	}
278
279
280		12	void TCPWrap::Connect6(const FunctionCallbackInfo<Value>& args) {
281		12	Environment* env = Environment::GetCurrent(args);
282	✗✓	24	CHECK(args[2]->IsUint32());
283			int port;
284	✗✓	48	if (!args[2]->Int32Value(env->context()).To(&port)) return;
285		24	Connect<sockaddr_in6>(args,
286		12	[port](const char* ip_address, sockaddr_in6* addr) {
287			return uv_ip6_addr(ip_address, port, addr);
288		24	});
289			}
290
291			template <typename T>
292		5283	void TCPWrap::Connect(const FunctionCallbackInfo<Value>& args,
293			std::function<int(const char* ip_address, T* addr)> uv_ip_addr) {
294		5283	Environment* env = Environment::GetCurrent(args);
295
296			TCPWrap* wrap;
297	✗✓✗✓	5283	ASSIGN_OR_RETURN_UNWRAP(&wrap,
298			args.Holder(),
299			args.GetReturnValue().Set(UV_EBADF));
300
301	✗✓✗✓	10566	CHECK(args[0]->IsObject());
302	✗✓✗✓	15849	CHECK(args[1]->IsString());
303
304		10566	Local<Object> req_wrap_obj = args[0].As<Object>();
305		10566	node::Utf8Value ip_address(env->isolate(), args[1]);
306
307			T addr;
308		5283	int err = uv_ip_addr(*ip_address, &addr);
309
310	✓✗✓✗	5283	if (err == 0) {
311		10566	AsyncHooks::DefaultTriggerAsyncIdScope trigger_scope(wrap);
312			ConnectWrap* req_wrap =
313		5283	new ConnectWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_TCPCONNECTWRAP);
314		5283	err = req_wrap->Dispatch(uv_tcp_connect,
315		5283	&wrap->handle_,
316			reinterpret_cast<const sockaddr*>(&addr),
317			AfterConnect);
318	✗✓✗✓	5283	if (err)
319			delete req_wrap;
320			}
321
322		10566	args.GetReturnValue().Set(err);
323			}
324
325
326			// also used by udp_wrap.cc
327		4798	Local<Object> AddressToJS(Environment* env,
328			const sockaddr* addr,
329			Local<Object> info) {
330		4798	EscapableHandleScope scope(env->isolate());
331			char ip[INET6_ADDRSTRLEN + UV_IF_NAMESIZE];
332			const sockaddr_in* a4;
333			const sockaddr_in6* a6;
334
335			int port;
336
337	✓✓	4798	if (info.IsEmpty())
338		344	info = Object::New(env->isolate());
339
340	✓✓✗	4798	switch (addr->sa_family) {
341			case AF_INET6:
342		4172	a6 = reinterpret_cast<const sockaddr_in6*>(addr);
343		4172	uv_inet_ntop(AF_INET6, &a6->sin6_addr, ip, sizeof ip);
344			// Add an interface identifier to a link local address.
345	✓✓	4172	if (IN6_IS_ADDR_LINKLOCAL(&a6->sin6_addr)) {
346		2	const size_t addrlen = strlen(ip);
347	✗✓	2	CHECK_LT(addrlen, sizeof(ip));
348		2	ip[addrlen] = '%';
349		2	size_t scopeidlen = sizeof(ip) - addrlen - 1;
350	✗✓	2	CHECK_GE(scopeidlen, UV_IF_NAMESIZE);
351		2	const int r = uv_if_indextoiid(a6->sin6_scope_id,
352		2	ip + addrlen + 1,
353		2	&scopeidlen);
354	✗✓	2	CHECK_EQ(r, 0);
355			}
356		4172	port = ntohs(a6->sin6_port);
357		8344	info->Set(env->context(),
358			env->address_string(),
359		20860	OneByteString(env->isolate(), ip)).Check();
360		8344	info->Set(env->context(),
361			env->family_string(),
362		20860	env->ipv6_string()).Check();
363		8344	info->Set(env->context(),
364			env->port_string(),
365		20860	Integer::New(env->isolate(), port)).Check();
366		4172	break;
367
368			case AF_INET:
369		626	a4 = reinterpret_cast<const sockaddr_in*>(addr);
370		626	uv_inet_ntop(AF_INET, &a4->sin_addr, ip, sizeof ip);
371		626	port = ntohs(a4->sin_port);
372		1252	info->Set(env->context(),
373			env->address_string(),
374		3130	OneByteString(env->isolate(), ip)).Check();
375		1252	info->Set(env->context(),
376			env->family_string(),
377		3130	env->ipv4_string()).Check();
378		1252	info->Set(env->context(),
379			env->port_string(),
380		3130	Integer::New(env->isolate(), port)).Check();
381		626	break;
382
383			default:
384			info->Set(env->context(),
385			env->address_string(),
386			String::Empty(env->isolate())).Check();
387			}
388
389		4798	return scope.Escape(info);
390			}
391
392
393			} // namespace node
394
395	✓✗✓✗	18788	NODE_MODULE_CONTEXT_AWARE_INTERNAL(tcp_wrap, node::TCPWrap::Initialize)