new apis for control xtra throttle

added register and unregister apis of a callback
that listens to XTRA client throttle enablement commands.

Change-Id: Id50e7311516593018113203b5dfa700f0fdc037b
CRs-fixed: 2092629

gnss/GnssAdapter.cpp

@@ -931,6 +931,26 @@ GnssAdapter::gnssDeleteAidingDataCommand(GnssAidingData& data)
     return sessionId;
 }
 
+void
+GnssAdapter::gnssUpdateXtraThrottleCommand(const bool enabled)
+{
+    LOC_LOGD("%s] enabled:%d", __func__, enabled);
+
+    struct UpdateXtraThrottleMsg : public LocMsg {
+        GnssAdapter& mAdapter;
+        const bool mEnabled;
+        inline UpdateXtraThrottleMsg(GnssAdapter& adapter, const bool enabled) :
+            LocMsg(),
+            mAdapter(adapter),
+            mEnabled(enabled) {}
+        inline virtual void proc() const {
+                mAdapter.mXtraObserver.updateXtraThrottle(mEnabled);
+        }
+    };
+
+    sendMsg(new UpdateXtraThrottleMsg(*this, enabled));
+}
+
 void
 GnssAdapter::injectLocationCommand(double latitude, double longitude, float accuracy)
 {

gnss/GnssAdapter.h

@@ -200,6 +200,7 @@ public:
     void setConfigCommand();
     uint32_t* gnssUpdateConfigCommand(GnssConfig config);
     uint32_t gnssDeleteAidingDataCommand(GnssAidingData& data);
+    void gnssUpdateXtraThrottleCommand(const bool enabled);
 
     void initDefaultAgpsCommand();
     void initAgpsCommand(const AgpsCbInfo& cbInfo);

gnss/XtraSystemStatusObserver.cpp

@@ -84,6 +84,13 @@ bool XtraSystemStatusObserver::updateMccMnc(const string& mccmnc) {
     return ( send(LOC_IPC_XTRA, ss.str()) );
 }
 
+bool XtraSystemStatusObserver::updateXtraThrottle(const bool enabled) {
+    stringstream ss;
+    ss <<  "xtrathrottle";
+    ss << " " << (enabled ? 1 : 0);
+    return ( send(LOC_IPC_XTRA, ss.str()) );
+}
+
 void XtraSystemStatusObserver::onReceive(const std::string& data) {
     if (!strncmp(data.c_str(), "ping", sizeof("ping") - 1)) {
         LOC_LOGd("ping received");
@@ -121,11 +128,11 @@ void XtraSystemStatusObserver::getName(string& name)
 
 void XtraSystemStatusObserver::notify(const list<IDataItemCore*>& dlist)
 {
-    struct handleOsObserverUpdateMsg : public LocMsg {
+    struct HandleOsObserverUpdateMsg : public LocMsg {
         XtraSystemStatusObserver* mXtraSysStatObj;
         list <IDataItemCore*> mDataItemList;
 
-        inline handleOsObserverUpdateMsg(XtraSystemStatusObserver* xtraSysStatObs,
+        inline HandleOsObserverUpdateMsg(XtraSystemStatusObserver* xtraSysStatObs,
                 const list<IDataItemCore*>& dataItemList) :
                 mXtraSysStatObj(xtraSysStatObs) {
             for (auto eachItem : dataItemList) {
@@ -141,7 +148,7 @@ void XtraSystemStatusObserver::notify(const list<IDataItemCore*>& dlist)
             }
         }
 
-        inline ~handleOsObserverUpdateMsg() {
+        inline ~HandleOsObserverUpdateMsg() {
             for (auto each : mDataItemList) {
                 delete each;
             }
@@ -182,7 +189,7 @@ void XtraSystemStatusObserver::notify(const list<IDataItemCore*>& dlist)
             }
         }
     };
-    mMsgTask->sendMsg(new (nothrow) handleOsObserverUpdateMsg(this, dlist));
+    mMsgTask->sendMsg(new (nothrow) HandleOsObserverUpdateMsg(this, dlist));
 }
 
 #ifdef USE_GLIB

gnss/XtraSystemStatusObserver.h

@@ -125,6 +125,7 @@ public :
     bool updateConnectionStatus(bool connected, int32_t type);
     bool updateTac(const string& tac);
     bool updateMccMnc(const string& mccmnc);
+    bool updateXtraThrottle(const bool enabled);
     inline const MsgTask* getMsgTask() { return mMsgTask; }
     void subscribe(bool yes);
 

gnss/location_gnss.cpp

@@ -45,6 +45,7 @@ static void stopTracking(LocationAPI* client, uint32_t id);
 
 static void gnssNiResponse(LocationAPI* client, uint32_t id, GnssNiResponse response);
 static uint32_t gnssDeleteAidingData(GnssAidingData& data);
+static void gnssUpdateXtraThrottle(const bool enabled);
 
 static void setControlCallbacks(LocationControlCallbacks& controlCallbacks);
 static uint32_t enable(LocationTechnologyType techType);
@@ -77,6 +78,7 @@ static const GnssInterface gGnssInterface = {
     disable,
     gnssUpdateConfig,
     gnssDeleteAidingData,
+    gnssUpdateXtraThrottle,
     injectLocation,
     injectTime,
     agpsInit,
@@ -203,6 +205,13 @@ static uint32_t gnssDeleteAidingData(GnssAidingData& data)
     }
 }
 
+static void gnssUpdateXtraThrottle(const bool enabled)
+{
+    if (NULL != gGnssAdapter) {
+        gGnssAdapter->gnssUpdateXtraThrottleCommand(enabled);
+    }
+}
+
 static void injectLocation(double latitude, double longitude, float accuracy)
 {
    if (NULL != gGnssAdapter) {

location/location_interface.h

@@ -48,6 +48,7 @@ struct GnssInterface {
     void (*disable)(uint32_t id);
     uint32_t* (*gnssUpdateConfig)(GnssConfig config);
     uint32_t (*gnssDeleteAidingData)(GnssAidingData& data);
+    void (*gnssUpdateXtraThrottle)(const bool enabled);
     void (*injectLocation)(double latitude, double longitude, float accuracy);
     void (*injectTime)(int64_t time, int64_t timeReference, int32_t uncertainty);
     void (*agpsInit)(const AgpsCbInfo& cbInfo);