mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
280 lines
8.3 KiB
280 lines
8.3 KiB
#include "pipe_wrap.h"
|
|
|
|
#include "async-wrap.h"
|
|
#include "env.h"
|
|
#include "env-inl.h"
|
|
#include "handle_wrap.h"
|
|
#include "node.h"
|
|
#include "node_buffer.h"
|
|
#include "node_wrap.h"
|
|
#include "req-wrap.h"
|
|
#include "req-wrap-inl.h"
|
|
#include "stream_wrap.h"
|
|
#include "util-inl.h"
|
|
#include "util.h"
|
|
|
|
namespace node {
|
|
|
|
using v8::Boolean;
|
|
using v8::Context;
|
|
using v8::EscapableHandleScope;
|
|
using v8::External;
|
|
using v8::Function;
|
|
using v8::FunctionCallbackInfo;
|
|
using v8::FunctionTemplate;
|
|
using v8::HandleScope;
|
|
using v8::Integer;
|
|
using v8::Local;
|
|
using v8::Object;
|
|
using v8::PropertyAttribute;
|
|
using v8::String;
|
|
using v8::Undefined;
|
|
using v8::Value;
|
|
|
|
|
|
// TODO(bnoordhuis) share with TCPWrap?
|
|
class PipeConnectWrap : public ReqWrap<uv_connect_t> {
|
|
public:
|
|
PipeConnectWrap(Environment* env, Local<Object> req_wrap_obj);
|
|
|
|
size_t self_size() const override { return sizeof(*this); }
|
|
};
|
|
|
|
|
|
PipeConnectWrap::PipeConnectWrap(Environment* env, Local<Object> req_wrap_obj)
|
|
: ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_PIPECONNECTWRAP) {
|
|
Wrap(req_wrap_obj, this);
|
|
}
|
|
|
|
|
|
static void NewPipeConnectWrap(const FunctionCallbackInfo<Value>& args) {
|
|
CHECK(args.IsConstructCall());
|
|
}
|
|
|
|
|
|
uv_pipe_t* PipeWrap::UVHandle() {
|
|
return &handle_;
|
|
}
|
|
|
|
|
|
Local<Object> PipeWrap::Instantiate(Environment* env, AsyncWrap* parent) {
|
|
EscapableHandleScope handle_scope(env->isolate());
|
|
CHECK_EQ(false, env->pipe_constructor_template().IsEmpty());
|
|
Local<Function> constructor = env->pipe_constructor_template()->GetFunction();
|
|
CHECK_EQ(false, constructor.IsEmpty());
|
|
Local<Value> ptr = External::New(env->isolate(), parent);
|
|
Local<Object> instance = constructor->NewInstance(1, &ptr);
|
|
CHECK_EQ(false, instance.IsEmpty());
|
|
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);
|
|
t->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "Pipe"));
|
|
t->InstanceTemplate()->SetInternalFieldCount(1);
|
|
|
|
env->SetProtoMethod(t, "close", HandleWrap::Close);
|
|
env->SetProtoMethod(t, "unref", HandleWrap::Unref);
|
|
env->SetProtoMethod(t, "ref", HandleWrap::Ref);
|
|
|
|
StreamWrap::AddMethods(env, t);
|
|
|
|
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(FIXED_ONE_BYTE_STRING(env->isolate(), "Pipe"), t->GetFunction());
|
|
env->set_pipe_constructor_template(t);
|
|
|
|
// Create FunctionTemplate for PipeConnectWrap.
|
|
Local<FunctionTemplate> cwt =
|
|
FunctionTemplate::New(env->isolate(), NewPipeConnectWrap);
|
|
cwt->InstanceTemplate()->SetInternalFieldCount(1);
|
|
cwt->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "PipeConnectWrap"));
|
|
target->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "PipeConnectWrap"),
|
|
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);
|
|
if (args[0]->IsExternal()) {
|
|
void* ptr = args[0].As<External>()->Value();
|
|
new PipeWrap(env, args.This(), false, static_cast<AsyncWrap*>(ptr));
|
|
} else {
|
|
new PipeWrap(env, args.This(), args[0]->IsTrue(), nullptr);
|
|
}
|
|
}
|
|
|
|
|
|
PipeWrap::PipeWrap(Environment* env,
|
|
Local<Object> object,
|
|
bool ipc,
|
|
AsyncWrap* parent)
|
|
: StreamWrap(env,
|
|
object,
|
|
reinterpret_cast<uv_stream_t*>(&handle_),
|
|
AsyncWrap::PROVIDER_PIPEWRAP,
|
|
parent) {
|
|
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 = Unwrap<PipeWrap>(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 = Unwrap<PipeWrap>(args.Holder());
|
|
int instances = args[0]->Int32Value();
|
|
uv_pipe_pending_instances(&wrap->handle_, instances);
|
|
}
|
|
#endif
|
|
|
|
|
|
void PipeWrap::Listen(const FunctionCallbackInfo<Value>& args) {
|
|
PipeWrap* wrap = Unwrap<PipeWrap>(args.Holder());
|
|
int backlog = args[0]->Int32Value();
|
|
int err = uv_listen(reinterpret_cast<uv_stream_t*>(&wrap->handle_),
|
|
backlog,
|
|
OnConnection);
|
|
args.GetReturnValue().Set(err);
|
|
}
|
|
|
|
|
|
// TODO(bnoordhuis) maybe share with TCPWrap?
|
|
void PipeWrap::OnConnection(uv_stream_t* handle, int status) {
|
|
PipeWrap* pipe_wrap = static_cast<PipeWrap*>(handle->data);
|
|
CHECK_EQ(&pipe_wrap->handle_, reinterpret_cast<uv_pipe_t*>(handle));
|
|
|
|
Environment* env = pipe_wrap->env();
|
|
HandleScope handle_scope(env->isolate());
|
|
Context::Scope context_scope(env->context());
|
|
|
|
// We should not be getting this callback if someone as already called
|
|
// uv_close() on the handle.
|
|
CHECK_EQ(pipe_wrap->persistent().IsEmpty(), false);
|
|
|
|
Local<Value> argv[] = {
|
|
Integer::New(env->isolate(), status),
|
|
Undefined(env->isolate())
|
|
};
|
|
|
|
if (status != 0) {
|
|
pipe_wrap->MakeCallback(env->onconnection_string(), ARRAY_SIZE(argv), argv);
|
|
return;
|
|
}
|
|
|
|
// Instanciate the client javascript object and handle.
|
|
Local<Object> client_obj = Instantiate(env, pipe_wrap);
|
|
|
|
// Unwrap the client javascript object.
|
|
PipeWrap* wrap = Unwrap<PipeWrap>(client_obj);
|
|
uv_stream_t* client_handle = reinterpret_cast<uv_stream_t*>(&wrap->handle_);
|
|
if (uv_accept(handle, client_handle))
|
|
return;
|
|
|
|
// Successful accept. Call the onconnection callback in JavaScript land.
|
|
argv[1] = client_obj;
|
|
pipe_wrap->MakeCallback(env->onconnection_string(), ARRAY_SIZE(argv), argv);
|
|
}
|
|
|
|
// TODO(bnoordhuis) Maybe share this with TCPWrap?
|
|
void PipeWrap::AfterConnect(uv_connect_t* req, int status) {
|
|
PipeConnectWrap* req_wrap = static_cast<PipeConnectWrap*>(req->data);
|
|
PipeWrap* wrap = static_cast<PipeWrap*>(req->handle->data);
|
|
CHECK_EQ(req_wrap->env(), wrap->env());
|
|
Environment* env = wrap->env();
|
|
|
|
HandleScope handle_scope(env->isolate());
|
|
Context::Scope context_scope(env->context());
|
|
|
|
// The wrap and request objects should still be there.
|
|
CHECK_EQ(req_wrap->persistent().IsEmpty(), false);
|
|
CHECK_EQ(wrap->persistent().IsEmpty(), false);
|
|
|
|
bool readable, writable;
|
|
|
|
if (status) {
|
|
readable = writable = 0;
|
|
} else {
|
|
readable = uv_is_readable(req->handle) != 0;
|
|
writable = uv_is_writable(req->handle) != 0;
|
|
}
|
|
|
|
Local<Object> req_wrap_obj = req_wrap->object();
|
|
Local<Value> argv[5] = {
|
|
Integer::New(env->isolate(), status),
|
|
wrap->object(),
|
|
req_wrap_obj,
|
|
Boolean::New(env->isolate(), readable),
|
|
Boolean::New(env->isolate(), writable)
|
|
};
|
|
|
|
req_wrap->MakeCallback(env->oncomplete_string(), ARRAY_SIZE(argv), argv);
|
|
|
|
delete req_wrap;
|
|
}
|
|
|
|
|
|
void PipeWrap::Open(const FunctionCallbackInfo<Value>& args) {
|
|
Environment* env = Environment::GetCurrent(args);
|
|
|
|
PipeWrap* wrap = Unwrap<PipeWrap>(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 = Unwrap<PipeWrap>(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]);
|
|
|
|
PipeConnectWrap* req_wrap = new PipeConnectWrap(env, req_wrap_obj);
|
|
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_MODULE_CONTEXT_AWARE_BUILTIN(pipe_wrap, node::PipeWrap::Initialize)
|
|
|