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uWebSockets.js
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Wrap ws.close and ws.getBufferedAmount

This commit is contained in:
Alex Hultman 2019-01-14 12:16:24 +01:00
parent 31e7463c9b
commit 647a6ef12c
2 changed files with 44 additions and 6 deletions
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4
examples/HelloWorld.js
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@ -17,6 +17,10 @@ const app = uWS./*SSL*/App({
},
message: (ws, message, isBinary) => {
ws.send(message, isBinary);
console.log('BufferedAmount is ' + ws.getBufferedAmount());
ws.close();
},
drain: (ws) => {
console.log('WebSocket drained');

46
src/WebSocketWrapper.h
View File

@ -6,17 +6,44 @@ using namespace v8;
struct WebSocketWrapper {
static Persistent<Object> wsTemplate[2];
// ws.getBufferedAmount()
// ws.close(lalala)
// ws.?
template <bool SSL>
static inline uWS::WebSocket<SSL, true> *getWebSocket(const FunctionCallbackInfo<Value> &args) {
return ((uWS::WebSocket<SSL, true> *) args.Holder()->GetAlignedPointerFromInternalField(0));
}
/* Takes code, message, returns undefined */
template <bool SSL>
static void uWS_WebSocket_close(const FunctionCallbackInfo<Value> &args) {
int code = 0;
std::string_view message;
if (args.Length() >= 1) {
code = args[0]->Uint32Value();
}
if (args.Length() >= 2) {
NativeString nativeString(args.GetIsolate(), args[1]);
message = {nativeString.getData(), nativeString.getLength()};
}
getWebSocket<SSL>(args)->close(code, message);
}
/* Takes nothing, returns integer */
template <bool SSL>
static void uWS_WebSocket_getBufferedAmount(const FunctionCallbackInfo<Value> &args) {
int bufferedAmount = getWebSocket<SSL>(args)->getBufferedAmount();
args.GetReturnValue().Set(Integer::New(isolate, bufferedAmount));
}
/* Takes message, isBinary. Returns true on success, false otherwise */
template <bool SSL>
static void uWS_WebSocket_send(const FunctionCallbackInfo<Value> &args) {
NativeString nativeString(args.GetIsolate(), args[0]);
bool isBinary = args[1]->Int32Value();
bool isBinary = args[1]->BooleanValue();
bool ok = ((uWS::WebSocket<SSL, true> *) args.Holder()->GetAlignedPointerFromInternalField(0))->send(
bool ok = getWebSocket<SSL>(args)->send(
std::string_view(nativeString.getData(), nativeString.getLength()), isBinary ? uWS::OpCode::BINARY : uWS::OpCode::TEXT
);
@ -32,16 +59,23 @@ struct WebSocketWrapper {
wsTemplateLocal->SetClassName(String::NewFromUtf8(isolate, "uWS.WebSocket"));
}
wsTemplateLocal->InstanceTemplate()->SetInternalFieldCount(1);
wsTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "send"), FunctionTemplate::New(isolate, uWS_WebSocket_send<SSL>));
/* Register our functions */
wsTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "send"), FunctionTemplate::New(isolate, uWS_WebSocket_send<SSL>));
wsTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "close"), FunctionTemplate::New(isolate, uWS_WebSocket_close<SSL>));
wsTemplateLocal->PrototypeTemplate()->Set(String::NewFromUtf8(isolate, "getBufferedAmount"), FunctionTemplate::New(isolate, uWS_WebSocket_getBufferedAmount<SSL>));
/* Create the template */
Local<Object> wsObjectLocal = wsTemplateLocal->GetFunction()->NewInstance(isolate->GetCurrentContext()).ToLocalChecked();
wsTemplate[SSL].Reset(isolate, wsObjectLocal);
}
/* This is where we output an instance */
template <class APP>
static Local<Object> getWsInstance() {
return Local<Object>::New(isolate, wsTemplate[std::is_same<APP, uWS::SSLApp>::value])->Clone();
}
};
/* Fix this, should be nicer */
Persistent<Object> WebSocketWrapper::wsTemplate[2];