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// 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_base-inl.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::Int32;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;
using AsyncHooks = Environment::AsyncHooks;
Local<Object> PipeWrap::Instantiate(Environment* env,
AsyncWrap* parent,
PipeWrap::SocketType type) {
EscapableHandleScope handle_scope(env->isolate());
AsyncHooks::DefaultTriggerAsyncIdScope trigger_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<Value> type_value = Int32::New(env->isolate(), type);
Local<Object> instance =
constructor->NewInstance(env->context(), 1, &type_value).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());
// Define constants
Local<Object> constants = Object::New(env->isolate());
NODE_DEFINE_CONSTANT(constants, SOCKET);
NODE_DEFINE_CONSTANT(constants, SERVER);
NODE_DEFINE_CONSTANT(constants, IPC);
target->Set(context,
FIXED_ONE_BYTE_STRING(env->isolate(), "constants"),
constants).FromJust();
}
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());
CHECK(args[0]->IsInt32());
Environment* env = Environment::GetCurrent(args);
int type_value = args[0].As<Int32>()->Value();
PipeWrap::SocketType type = static_cast<PipeWrap::SocketType>(type_value);
bool ipc;
ProviderType provider;
switch (type) {
case SOCKET:
provider = PROVIDER_PIPEWRAP;
ipc = false;
break;
case SERVER:
provider = PROVIDER_PIPESERVERWRAP;
ipc = false;
break;
case IPC:
provider = PROVIDER_PIPEWRAP;
ipc = true;
break;
default:
UNREACHABLE();
}
new PipeWrap(env, args.This(), provider, ipc);
}
PipeWrap::PipeWrap(Environment* env,
Local<Object> object,
ProviderType provider,
bool ipc)
: ConnectionWrap(env, object, provider) {
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.
}
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)
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