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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 "tty_wrap.h"
#include "env-inl.h"
#include "handle_wrap.h"
#include "node_buffer.h"
#include "stream_base-inl.h"
#include "stream_wrap.h"
#include "util-inl.h"
namespace node {
using v8::Array;
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;
void TTYWrap::Initialize(Local<Object> target,
Local<Value> unused,
Local<Context> context,
void* priv) {
Environment* env = Environment::GetCurrent(context);
Local<String> ttyString = FIXED_ONE_BYTE_STRING(env->isolate(), "TTY");
Local<FunctionTemplate> t = env->NewFunctionTemplate(New);
t->SetClassName(ttyString);
t->InstanceTemplate()->SetInternalFieldCount(1);
t->Inherit(LibuvStreamWrap::GetConstructorTemplate(env));
env->SetProtoMethodNoSideEffect(t, "getWindowSize", TTYWrap::GetWindowSize);
env->SetProtoMethod(t, "setRawMode", SetRawMode);
env->SetMethodNoSideEffect(target, "isTTY", IsTTY);
env->SetMethodNoSideEffect(target, "guessHandleType", GuessHandleType);
target->Set(env->context(),
ttyString,
t->GetFunction(env->context()).ToLocalChecked()).FromJust();
env->set_tty_constructor_template(t);
}
void TTYWrap::GuessHandleType(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
int fd;
if (!args[0]->Int32Value(env->context()).To(&fd)) return;
CHECK_GE(fd, 0);
uv_handle_type t = uv_guess_handle(fd);
const char* type = nullptr;
switch (t) {
case UV_TCP: type = "TCP"; break;
case UV_TTY: type = "TTY"; break;
case UV_UDP: type = "UDP"; break;
case UV_FILE: type = "FILE"; break;
case UV_NAMED_PIPE: type = "PIPE"; break;
case UV_UNKNOWN_HANDLE: type = "UNKNOWN"; break;
default:
ABORT();
}
args.GetReturnValue().Set(OneByteString(env->isolate(), type));
}
void TTYWrap::IsTTY(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
int fd;
if (!args[0]->Int32Value(env->context()).To(&fd)) return;
CHECK_GE(fd, 0);
bool rc = uv_guess_handle(fd) == UV_TTY;
args.GetReturnValue().Set(rc);
}
void TTYWrap::GetWindowSize(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TTYWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap,
args.Holder(),
args.GetReturnValue().Set(UV_EBADF));
CHECK(args[0]->IsArray());
int width, height;
int err = uv_tty_get_winsize(&wrap->handle_, &width, &height);
if (err == 0) {
Local<v8::Array> a = args[0].As<Array>();
a->Set(env->context(), 0, Integer::New(env->isolate(), width)).FromJust();
a->Set(env->context(), 1, Integer::New(env->isolate(), height)).FromJust();
}
args.GetReturnValue().Set(err);
}
void TTYWrap::SetRawMode(const FunctionCallbackInfo<Value>& args) {
TTYWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap,
args.Holder(),
args.GetReturnValue().Set(UV_EBADF));
int err = uv_tty_set_mode(&wrap->handle_, args[0]->IsTrue());
args.GetReturnValue().Set(err);
}
void TTYWrap::New(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(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());
int fd;
if (!args[0]->Int32Value(env->context()).To(&fd)) return;
CHECK_GE(fd, 0);
int err = 0;
new TTYWrap(env, args.This(), fd, args[1]->IsTrue(), &err);
if (err != 0) {
env->CollectUVExceptionInfo(args[2], err, "uv_tty_init");
args.GetReturnValue().SetUndefined();
}
}
TTYWrap::TTYWrap(Environment* env,
Local<Object> object,
int fd,
bool readable,
int* init_err)
: LibuvStreamWrap(env,
object,
reinterpret_cast<uv_stream_t*>(&handle_),
AsyncWrap::PROVIDER_TTYWRAP) {
*init_err = uv_tty_init(env->event_loop(), &handle_, fd, readable);
set_fd(fd);
if (*init_err != 0)
MarkAsUninitialized();
}
} // namespace node
NODE_MODULE_CONTEXT_AWARE_INTERNAL(tty_wrap, node::TTYWrap::Initialize)
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