allow for multiple counters in user task

lib/api/GwApi.h

@@ -127,10 +127,12 @@ class GwApi{
         /**
          * access to counters for a task
          * thread safe
+         * use the value returned from addCounter for the other operations
         */
-        virtual void setCounterDisplayName(const String &){}
-        virtual void increment(const String &name,bool failed=false){}
-        virtual void reset(){}
+        virtual int addCounter(const String &){return -1;}
+        virtual void increment(int idx,const String &name,bool failed=false){}
+        virtual void reset(int idx){}
+        virtual void remove(int idx){}
         /**
          * not thread safe methods
          * accessing boat data must only be executed from within the main thread

lib/exampletask/GwExampleTask.cpp

@@ -98,7 +98,7 @@ void exampleTask(GwApi *api){
     GwApi::BoatValue *testValue=new GwApi::BoatValue(boatItemName);
     GwApi::BoatValue *valueList[]={longitude,latitude,testValue};
     GwApi::Status status;
-    api->setCounterDisplayName("usertest");
+    int counter=api->addCounter("usertest");
     while(true){
         delay(1000);
         /*
@@ -197,7 +197,7 @@ void exampleTask(GwApi *api){
             status.n2kRx,
             status.n2kTx); 
         //increment some counter
-        api->increment("Test");       
+        api->increment(counter,"Test");       
 
     }
     vTaskDelete(NULL);

lib/usercode/GwUserCode.cpp

@@ -52,8 +52,9 @@ class TaskApi : public GwApiInternal
     int sourceId;
     SemaphoreHandle_t *mainLock;
     SemaphoreHandle_t localLock;
-    GwCounter<String> *counter=NULL;
+    std::map<int,GwCounter<String>> counter;
     bool counterUsed=false;
+    int counterIdx=0;
 
 public:
     TaskApi(GwApiInternal *api, int sourceId, SemaphoreHandle_t *mainLock, const String &name)
@@ -62,7 +63,6 @@ public:
         this->api = api;
         this->mainLock=mainLock;
         localLock=xSemaphoreCreateMutex();
-        counter=new GwCounter<String>("count"+name);
     }
     virtual GwRequestQueue *getQueue()
     {
@@ -112,33 +112,53 @@ public:
     }
     virtual ~TaskApi(){
         vSemaphoreDelete(localLock);
-        delete counter;
     };
     virtual void fillStatus(GwJsonDocument &status){
         GWSYNCHRONIZED(&localLock);
         if (! counterUsed) return;
-        return counter->toJson(status);
+        for (auto it=counter.begin();it != counter.end();it++){
+            it->second.toJson(status);
+        }
     };
     virtual int getJsonSize(){
         GWSYNCHRONIZED(&localLock);
         if (! counterUsed) return 0;
-        return counter->getJsonSize();
+        int rt=0;
+        for (auto it=counter.begin();it != counter.end();it++){
+            rt+=it->second.getJsonSize();
+        }
+        return rt;
     };
-    virtual void increment(const String &name,bool failed=false){
+    virtual void increment(int idx,const String &name,bool failed=false){
         GWSYNCHRONIZED(&localLock);
         counterUsed=true;
-        if (failed) counter->addFail(name);
-        else (counter->add(name));
+        auto it=counter.find(idx);
+        if (it == counter.end()) return;
+        if (failed) it->second.addFail(name);
+        else (it->second.add(name));
     };
-    virtual void reset(){
+    virtual void reset(int idx){
         GWSYNCHRONIZED(&localLock);
         counterUsed=true;
-        counter->reset();
+        auto it=counter.find(idx);
+        if (it == counter.end()) return;
+        it->second.reset();
     };
-    virtual void setCounterDisplayName(const String &name){
+    virtual void remove(int idx){
+        GWSYNCHRONIZED(&localLock);
+        counter.erase(idx);
+    }
+    virtual int addCounter(const String &name){
         GWSYNCHRONIZED(&localLock);
         counterUsed=true;
-        counter->setName("count"+name);
+        counterIdx++;
+        //avoid the need for an empty counter constructor
+        auto it=counter.find(counterIdx);
+        if (it == counter.end()){
+            counter.insert(std::make_pair(counterIdx,GwCounter<String>("count"+name)));
+        }
+        else it->second=GwCounter<String>("count"+name);
+        return counterIdx;
     }
 };