feat: add isMonitoringSockets getter to Easy class

Author: JCMais

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 - Added back prebuilt binaries for:
   - Electron v3, v4 and v5
+- Added `isMonitoringSockets` boolean readonly property to `Easy` instances, it is `true`
+    when `monitorSocketEvents` has been called on that `Easy` instance.
 ### Changed  
 
 ## [2.1.1] - 2020-04-28

src/Easy.cc

@@ -996,11 +996,15 @@ NAN_MODULE_INIT(Easy::Initialize) {
   // static methods
   Nan::SetMethod(tmpl, "strError", Easy::StrError);
 
+  // Instance accessors
   Nan::SetAccessor(proto, Nan::New("id").ToLocalChecked(), Easy::IdGetter, 0,
                    v8::Local<v8::Value>(), v8::DEFAULT, v8::ReadOnly);
   Nan::SetAccessor(proto, Nan::New("isInsideMultiHandle").ToLocalChecked(),
                    Easy::IsInsideMultiHandleGetter, 0, v8::Local<v8::Value>(), v8::DEFAULT,
                    v8::ReadOnly);
+  Nan::SetAccessor(proto, Nan::New("isMonitoringSockets").ToLocalChecked(),
+                   Easy::IsMonitoringSocketsGetter, 0, v8::Local<v8::Value>(), v8::DEFAULT,
+                   v8::ReadOnly);
 
   Easy::constructor.Reset(tmpl);
 
@@ -1048,6 +1052,12 @@ NAN_GETTER(Easy::IsInsideMultiHandleGetter) {
   info.GetReturnValue().Set(Nan::New(obj->isInsideMultiHandle));
 }
 
+NAN_GETTER(Easy::IsMonitoringSocketsGetter) {
+  Easy* obj = Nan::ObjectWrap::Unwrap<Easy>(info.This());
+
+  info.GetReturnValue().Set(Nan::New(obj->isMonitoringSockets));
+}
+
 NAN_METHOD(Easy::SetOpt) {
   Nan::HandleScope scope;
 

src/Easy.h

@@ -55,7 +55,6 @@ class Easy : public Nan::ObjectWrap {
   bool isCbProgressAlreadyAborted =
       false;  // we need this flag because of
               // https://github.com/curl/curl/commit/907520c4b93616bddea15757bbf0bfb45cde8101
-  bool isMonitoringSockets = false;
 
   int32_t readDataFileDescriptor = -1;  // READDATA sets that
   curl_off_t readDataOffset = -1;       // SEEKDATA sets that
@@ -77,6 +76,7 @@ class Easy : public Nan::ObjectWrap {
   // members
   CURL* ch;
   bool isInsideMultiHandle = false;
+  bool isMonitoringSockets = false;
   bool isOpen = true;
 
   // used to return callback errors when inside Multi interface
@@ -92,6 +92,7 @@ class Easy : public Nan::ObjectWrap {
   static NAN_METHOD(New);
   static NAN_GETTER(IdGetter);
   static NAN_GETTER(IsInsideMultiHandleGetter);
+  static NAN_GETTER(IsMonitoringSocketsGetter);
   static NAN_METHOD(SetOpt);
   static NAN_METHOD(GetInfo);
   static NAN_METHOD(Send);