Node.js 11, uWS.nextTick, purely V8
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Alex Hultman
parent
100c93ffe4
commit
9e1b05608e
4 changed files with 124 additions and 83 deletions
192
src/addon.cpp
192
src/addon.cpp
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@ -1,6 +1,8 @@
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/* We depend only on raw & vanilla libuv, V8 and OpenSSL.
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* There is to be no dependencies on anything Node.js in here. */
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#include <uv.h>
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#include <node.h>
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#include <node_buffer.h>
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#include <v8.h>
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#include <iostream>
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using namespace v8;
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@ -18,9 +20,6 @@ public:
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utf8Value = new (utf8ValueMemory) String::Utf8Value(value);
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data = (**utf8Value);
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length = utf8Value->length();
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} else if (node::Buffer::HasInstance(value)) {
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data = node::Buffer::Data(value);
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length = node::Buffer::Length(value);
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} else if (value->IsTypedArray()) {
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Local<ArrayBufferView> arrayBufferView = Local<ArrayBufferView>::Cast(value);
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ArrayBuffer::Contents contents = arrayBufferView->Buffer()->GetContents();
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@ -54,127 +53,162 @@ Persistent<Object> reqTemplate;
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void res_end(const FunctionCallbackInfo<Value> &args) {
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// you might want to do extra work here to swap to tryEnd if passed a Buffer?
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// or always use tryEnd and simply grab the object as persistent?
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// you might want to do extra work here to swap to tryEnd if passed a Buffer?
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// or always use tryEnd and simply grab the object as persistent?
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NativeString data(args[0]);
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((uWS::HttpResponse<false> *) args.Holder()->GetAlignedPointerFromInternalField(0))->end(std::string_view(data.getData(), data.getLength()));
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NativeString data(args[0]);
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((uWS::HttpResponse<false> *) args.Holder()->GetAlignedPointerFromInternalField(0))->end(std::string_view(data.getData(), data.getLength()));
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// Return this
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args.GetReturnValue().Set(args.Holder());
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// Return this
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args.GetReturnValue().Set(args.Holder());
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}
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void res_writeHeader(const FunctionCallbackInfo<Value> &args) {
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// get string
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NativeString header(args[0]);
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NativeString value(args[1]);
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// get string
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NativeString header(args[0]);
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NativeString value(args[1]);
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((uWS::HttpResponse<false> *) args.Holder()->GetAlignedPointerFromInternalField(0))->writeHeader(std::string_view(header.getData(), header.getLength()), std::string_view(value.getData(), value.getLength()));
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((uWS::HttpResponse<false> *) args.Holder()->GetAlignedPointerFromInternalField(0))->writeHeader(std::string_view(header.getData(), header.getLength()), std::string_view(value.getData(), value.getLength()));
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args.GetReturnValue().Set(args.Holder());
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args.GetReturnValue().Set(args.Holder());
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}
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void req_getHeader(const FunctionCallbackInfo<Value> &args) {
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// get string
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NativeString data(args[0]);
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char *buf = data.getData(); int length = data.getLength();
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// get string
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NativeString data(args[0]);
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char *buf = data.getData(); int length = data.getLength();
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std::string_view header = ((uWS::HttpRequest *) args.Holder()->GetAlignedPointerFromInternalField(0))->getHeader(std::string_view(buf, length));
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std::string_view header = ((uWS::HttpRequest *) args.Holder()->GetAlignedPointerFromInternalField(0))->getHeader(std::string_view(buf, length));
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args.GetReturnValue().Set(String::NewFromUtf8(isolate, header.data(), v8::String::kNormalString, header.length()));
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args.GetReturnValue().Set(String::NewFromUtf8(isolate, header.data(), v8::String::kNormalString, header.length()));
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}
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void uWS_App_get(const FunctionCallbackInfo<Value> &args) {
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uWS::App *app = (uWS::App *) args.Holder()->GetAlignedPointerFromInternalField(0);
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uWS::App *app = (uWS::App *) args.Holder()->GetAlignedPointerFromInternalField(0);
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NativeString nativeString(args[0]);
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NativeString nativeString(args[0]);
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Persistent<Function> *pf = new Persistent<Function>();
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pf->Reset(args.GetIsolate(), Local<Function>::Cast(args[1]));
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Persistent<Function> *pf = new Persistent<Function>();
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pf->Reset(args.GetIsolate(), Local<Function>::Cast(args[1]));
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app->get(std::string(nativeString.getData(), nativeString.getLength()), [pf](auto *res, auto *req) {
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HandleScope hs(isolate);
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//Persistent<Function, CopyablePersistentTraits<Function>> p(isolate, Local<Function>::Cast(args[1]));
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Local<Object> resObject = Local<Object>::New(isolate, resTemplate)->Clone();
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resObject->SetAlignedPointerInInternalField(0, res);
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app->get(std::string(nativeString.getData(), nativeString.getLength()), [pf](auto *res, auto *req) {
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HandleScope hs(isolate);
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Local<Object> reqObject = Local<Object>::New(isolate, reqTemplate)->Clone();
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reqObject->SetAlignedPointerInInternalField(0, req);
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Local<Object> resObject = Local<Object>::New(isolate, resTemplate)->Clone();
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resObject->SetAlignedPointerInInternalField(0, res);
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// node:: is horrible but
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Local<Value> argv[] = {resObject, reqObject};
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node::MakeCallback(isolate, isolate->GetCurrentContext()->Global(), Local<Function>::New(isolate, *pf), 2, argv);
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Local<Object> reqObject = Local<Object>::New(isolate, reqTemplate)->Clone();
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reqObject->SetAlignedPointerInInternalField(0, req);
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});
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Local<Value> argv[] = {resObject, reqObject};
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Local<Function>::New(isolate, *pf)->Call(isolate->GetCurrentContext()->Global(), 2, argv);
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});
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args.GetReturnValue().Set(args.Holder());
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args.GetReturnValue().Set(args.Holder());
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}
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// port, callback?
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void uWS_App_listen(const FunctionCallbackInfo<Value> &args) {
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uWS::App *app = (uWS::App *) args.Holder()->GetAlignedPointerFromInternalField(0);
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uWS::App *app = (uWS::App *) args.Holder()->GetAlignedPointerFromInternalField(0);
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int port = args[0]->Uint32Value();
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int port = args[0]->Uint32Value();
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app->listen(port, [&args](auto *token) {
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Local<Value> argv[] = {Boolean::New(isolate, token)};
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Local<Function>::Cast(args[1])->Call(isolate->GetCurrentContext()->Global(), 1, argv);
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});
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app->listen(port, [&args](auto *token) {
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Local<Value> argv[] = {Boolean::New(isolate, token)};
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Local<Function>::Cast(args[1])->Call(isolate->GetCurrentContext()->Global(), 1, argv);
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});
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// Return this
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args.GetReturnValue().Set(args.Holder());
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// Return this
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args.GetReturnValue().Set(args.Holder());
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}
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uv_check_t check;
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#include <vector>
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std::vector<Persistent<Function, CopyablePersistentTraits<Function>>> nextTickQueue;
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// we need to override process.nextTick to avoid horrible loss of performance by Node.js
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void nextTick(const FunctionCallbackInfo<Value> &args) {
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nextTickQueue.push_back(Persistent<Function, CopyablePersistentTraits<Function>>(isolate, Local<Function>::Cast(args[0])));
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}
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// uWS.App() -> object
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void uWS_App(const FunctionCallbackInfo<Value> &args) {
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// uWS.App
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Local<FunctionTemplate> appTemplate = FunctionTemplate::New(isolate);
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appTemplate->SetClassName(String::NewFromUtf8(isolate, "uWS.App"));
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appTemplate->InstanceTemplate()->SetInternalFieldCount(1);
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// Get
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appTemplate->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "get"), FunctionTemplate::New(isolate, uWS_App_get));
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// uWS.App
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Local<FunctionTemplate> appTemplate = FunctionTemplate::New(isolate);
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appTemplate->SetClassName(String::NewFromUtf8(isolate, "uWS.App"));
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appTemplate->InstanceTemplate()->SetInternalFieldCount(1);
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// Listen
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appTemplate->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "listen"), FunctionTemplate::New(isolate, uWS_App_listen));
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// Get
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appTemplate->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "get"), FunctionTemplate::New(isolate, uWS_App_get));
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// Instantiate and set intenal pointer
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Local<Object> localApp = appTemplate->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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// Listen
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appTemplate->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "listen"), FunctionTemplate::New(isolate, uWS_App_listen));
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// Delete this boy
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localApp->SetAlignedPointerInInternalField(0, new uWS::App());
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// Instantiate and set intenal pointer
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Local<Object> localApp = appTemplate->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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// Return an instance of this shit
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args.GetReturnValue().Set(localApp);
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// Delete this boy
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localApp->SetAlignedPointerInInternalField(0, new uWS::App());
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// Return an instance of this shit
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args.GetReturnValue().Set(localApp);
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}
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void Main(Local<Object> exports) {
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isolate = exports->GetIsolate();
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/*reqTemplateLocal->PrototypeTemplate()->SetAccessor(String::NewFromUtf8(isolate, "url"), Request::url);
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reqTemplateLocal->PrototypeTemplate()->SetAccessor(String::NewFromUtf8(isolate, "method"), Request::method);*/
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isolate = exports->GetIsolate();
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// App is a function returning an object
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NODE_SET_METHOD(exports, "App", uWS_App);
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/* uWS.nextTick is executed in uv_check_t */
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uv_loop_t *loop = uv_default_loop();
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uv_check_init(loop, &check);
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check.data = isolate;
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uv_check_start(&check, [](uv_check_t *check) {
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// HttpResponse template
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Local<FunctionTemplate> resTemplateLocal = FunctionTemplate::New(isolate);
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resTemplateLocal->SetClassName(String::NewFromUtf8(isolate, "uWS.HttpResponse"));
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resTemplateLocal->InstanceTemplate()->SetInternalFieldCount(1);
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resTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "end"), FunctionTemplate::New(isolate, res_end));
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resTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "writeHeader"), FunctionTemplate::New(isolate, res_writeHeader));
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if (nextTickQueue.size()) {
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Isolate *isolate = (Isolate *) check->data;
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HandleScope hs(isolate);
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Local<Object> resObjectLocal = resTemplateLocal->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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resTemplate.Reset(isolate, resObjectLocal);
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for (Persistent<Function, CopyablePersistentTraits<Function>> &f : nextTickQueue) {
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Local<Function>::New(isolate, f)->Call(isolate->GetCurrentContext()->Global(), 0, nullptr);
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f.Reset();
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}
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// Request template
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Local<FunctionTemplate> reqTemplateLocal = FunctionTemplate::New(isolate);
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reqTemplateLocal->SetClassName(String::NewFromUtf8(isolate, "uWS.HttpRequest"));
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reqTemplateLocal->InstanceTemplate()->SetInternalFieldCount(1);
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reqTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "getHeader"), FunctionTemplate::New(isolate, req_getHeader));
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nextTickQueue.clear();
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}
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});
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uv_unref((uv_handle_t *) &check);
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Local<Object> reqObjectLocal = reqTemplateLocal->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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reqTemplate.Reset(isolate, reqObjectLocal);
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/*reqTemplateLocal->PrototypeTemplate()->SetAccessor(String::NewFromUtf8(isolate, "url"), Request::url);
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reqTemplateLocal->PrototypeTemplate()->SetAccessor(String::NewFromUtf8(isolate, "method"), Request::method);*/
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/* uWS namespace */
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exports->Set(String::NewFromUtf8(isolate, "App"), FunctionTemplate::New(isolate, uWS_App)->GetFunction());
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exports->Set(String::NewFromUtf8(isolate, "nextTick"), FunctionTemplate::New(isolate, nextTick)->GetFunction());
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// HttpResponse template
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Local<FunctionTemplate> resTemplateLocal = FunctionTemplate::New(isolate);
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resTemplateLocal->SetClassName(String::NewFromUtf8(isolate, "uWS.HttpResponse"));
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resTemplateLocal->InstanceTemplate()->SetInternalFieldCount(1);
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resTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "end"), FunctionTemplate::New(isolate, res_end));
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resTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "writeHeader"), FunctionTemplate::New(isolate, res_writeHeader));
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Local<Object> resObjectLocal = resTemplateLocal->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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resTemplate.Reset(isolate, resObjectLocal);
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// Request template (do we need to clone this?)
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Local<FunctionTemplate> reqTemplateLocal = FunctionTemplate::New(isolate);
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reqTemplateLocal->SetClassName(String::NewFromUtf8(isolate, "uWS.HttpRequest"));
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reqTemplateLocal->InstanceTemplate()->SetInternalFieldCount(1);
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reqTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "getHeader"), FunctionTemplate::New(isolate, req_getHeader));
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Local<Object> reqObjectLocal = reqTemplateLocal->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
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reqTemplate.Reset(isolate, reqObjectLocal);
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}
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/* This is the only part where we are allowed/forced to add Node.js specific code.
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* We do this because we are forced to, and we need a node module version added */
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#include <node.h>
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NODE_MODULE(uWS, Main)
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