| // 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 "uv.h" |
| #include "env-inl.h" |
| #include "node.h" |
| #include "node_process.h" |
| |
| namespace node { |
| |
| namespace per_process { |
| struct UVError { |
| int value; |
| const char* name; |
| const char* message; |
| }; |
| |
| // We only expand the macro once here to reduce the amount of code |
| // generated. |
| static const struct UVError uv_errors_map[] = { |
| #define V(name, message) {UV_##name, #name, message}, |
| UV_ERRNO_MAP(V) |
| #undef V |
| }; |
| } // namespace per_process |
| |
| namespace { |
| |
| using v8::Array; |
| using v8::Context; |
| using v8::DontDelete; |
| using v8::FunctionCallbackInfo; |
| using v8::Integer; |
| using v8::Isolate; |
| using v8::Local; |
| using v8::Map; |
| using v8::Object; |
| using v8::PropertyAttribute; |
| using v8::ReadOnly; |
| using v8::String; |
| using v8::Value; |
| |
| void ErrName(const FunctionCallbackInfo<Value>& args) { |
| Environment* env = Environment::GetCurrent(args); |
| if (env->options()->pending_deprecation && env->EmitErrNameWarning()) { |
| if (ProcessEmitDeprecationWarning( |
| env, |
| "Directly calling process.binding('uv').errname(<val>) is being" |
| " deprecated. " |
| "Please make sure to use util.getSystemErrorName() instead.", |
| "DEP0119").IsNothing()) |
| return; |
| } |
| int err; |
| if (!args[0]->Int32Value(env->context()).To(&err)) return; |
| CHECK_LT(err, 0); |
| const char* name = uv_err_name(err); |
| args.GetReturnValue().Set(OneByteString(env->isolate(), name)); |
| } |
| |
| void GetErrMap(const FunctionCallbackInfo<Value>& args) { |
| Environment* env = Environment::GetCurrent(args); |
| Isolate* isolate = env->isolate(); |
| Local<Context> context = env->context(); |
| |
| Local<Map> err_map = Map::New(isolate); |
| |
| size_t errors_len = arraysize(per_process::uv_errors_map); |
| for (size_t i = 0; i < errors_len; ++i) { |
| const auto& error = per_process::uv_errors_map[i]; |
| Local<Value> arr[] = {OneByteString(isolate, error.name), |
| OneByteString(isolate, error.message)}; |
| if (err_map |
| ->Set(context, |
| Integer::New(isolate, error.value), |
| Array::New(isolate, arr, arraysize(arr))) |
| .IsEmpty()) { |
| return; |
| } |
| } |
| |
| args.GetReturnValue().Set(err_map); |
| } |
| |
| void Initialize(Local<Object> target, |
| Local<Value> unused, |
| Local<Context> context, |
| void* priv) { |
| Environment* env = Environment::GetCurrent(context); |
| Isolate* isolate = env->isolate(); |
| target->Set(env->context(), |
| FIXED_ONE_BYTE_STRING(isolate, "errname"), |
| env->NewFunctionTemplate(ErrName) |
| ->GetFunction(env->context()) |
| .ToLocalChecked()).Check(); |
| |
| // TODO(joyeecheung): This should be deprecated in user land in favor of |
| // `util.getSystemErrorName(err)`. |
| PropertyAttribute attributes = |
| static_cast<PropertyAttribute>(ReadOnly | DontDelete); |
| size_t errors_len = arraysize(per_process::uv_errors_map); |
| const std::string prefix = "UV_"; |
| for (size_t i = 0; i < errors_len; ++i) { |
| const auto& error = per_process::uv_errors_map[i]; |
| const std::string prefixed_name = prefix + error.name; |
| Local<String> name = OneByteString(isolate, prefixed_name.c_str()); |
| Local<Integer> value = Integer::New(isolate, error.value); |
| target->DefineOwnProperty(context, name, value, attributes).Check(); |
| } |
| |
| env->SetMethod(target, "getErrorMap", GetErrMap); |
| } |
| |
| } // anonymous namespace |
| } // namespace node |
| |
| NODE_MODULE_CONTEXT_AWARE_INTERNAL(uv, node::Initialize) |