重新实现Timer

app/src/main/cpp/MicroPhoto.cpp

@@ -265,7 +265,8 @@ Java_com_xypower_mpapp_MicroPhotoService_fireTimeout(
     }
 
     CPhoneDevice* phoneDevice = (CPhoneDevice *)dev;
-    return phoneDevice->FireTimer((IDevice::timer_uid_t)uid, static_cast<unsigned long>(times)) ? JNI_TRUE : JNI_FALSE;
+    return JNI_FALSE;
+    // return phoneDevice->FireTimer((IDevice::timer_uid_t)uid, static_cast<unsigned long>(times)) ? JNI_TRUE : JNI_FALSE;
 }
 
 extern "C" JNIEXPORT void JNICALL

app/src/main/cpp/PhoneDevice.cpp

@@ -162,6 +162,8 @@ CPhoneDevice::CPhoneDevice(JavaVM* vm, jobject service, const std::string& appPa
 
     m_sysApiClass = NULL;
 
+    RegisterHandlerForSignal(SIGUSR2);
+
     m_vm = vm;
     JNIEnv* env = NULL;
     bool didAttachThread = false;
@@ -518,57 +520,121 @@ bool CPhoneDevice::RequestPosition()
     return (ret == JNI_TRUE);
 }
 
-IDevice::timer_uid_t CPhoneDevice::RegisterTimer(unsigned int timerType, unsigned int timeout, unsigned long times/* = 0*/)
+void CPhoneDevice::handleSignal(int sig, siginfo_t *si, void *uc)
 {
-    IDevice::timer_uid_t uid = m_timerUidFeed.fetch_add(1);
-
-    ALOGI("NDK RegTimer: uid=%lld Type=%u timeout=%u", uid, timerType, timeout);
+    TIMER_CONTEXT* context = (TIMER_CONTEXT*)(si->si_value.sival_ptr);
+    context->device->handleTimerImpl(context);
+}
 
-    JNIEnv* env = NULL;
-    bool didAttachThread = false;
-    bool res = GetJniEnv(m_vm, &env, didAttachThread);
-    if (!res)
+bool CPhoneDevice::RegisterHandlerForSignal(int sig)
+{
+    return true;
+    // Establish handler for timer signal
+    struct sigaction sa;
+    sigset_t mask;
+
+    sa.sa_flags = SA_SIGINFO;
+    sa.sa_sigaction = CPhoneDevice::handleSignal;
+    sigemptyset(&sa.sa_mask);
+    if (sigaction(sig, &sa, NULL) == -1)
     {
-        ALOGE("Failed to get JNI Env");
-        return 0;
+        return false;
     }
-    jboolean ret = env->CallBooleanMethod(m_javaService, mRegisterTimerMid, (jlong)uid, (jint)timeout, (jlong)times);
-    if (didAttachThread)
+
+    return true;
+    // Block timer signal temporarily
+
+    // printf("Blocking signal %d\n", SIG);
+    sigemptyset(&mask);
+    sigaddset(&mask, sig);
+    if (sigprocmask(SIG_SETMASK, &mask, NULL) == -1)
     {
-        m_vm->DetachCurrentThread();
+        return false;
     }
 
-    if (ret == JNI_TRUE)
+    return true;
+}
+
+void CPhoneDevice::handleTimer(union sigval v)
+{
+    TIMER_CONTEXT* context = (TIMER_CONTEXT*)(v.sival_ptr);
+    context->device->handleTimerImpl(context);
+}
+
+void CPhoneDevice::handleTimerImpl(CPhoneDevice::TIMER_CONTEXT* context)
+{
+    context->times++;
+    if (context->expectedTimes == 0 || context->times <= context->expectedTimes)
     {
-        unsigned long val = timerType;
-        mTimers.insert(mTimers.end(), std::pair<IDevice::timer_uid_t, unsigned long>(uid, val));
-        return uid;
+        if (m_listener != NULL)
+        {
+            m_listener->OnTimeout(context->uid, context->timerType, context->times);
+        }
     }
-    return 0;
 }
 
-bool CPhoneDevice::UnregisterTimer(IDevice::timer_uid_t uid)
+IDevice::timer_uid_t CPhoneDevice::RegisterTimer(unsigned int timerType, unsigned int timeout, unsigned long times/* = 0*/)
 {
-    jboolean ret = JNI_FALSE;
-    JNIEnv* env = NULL;
-    bool didAttachThread = false;
-    bool res = GetJniEnv(m_vm, &env, didAttachThread);
-    if (!res)
+    struct sigevent evp = { 0 };
+    struct itimerspec ts = { 0 };
+    timer_t timer;
+    int ret;
+
+    TIMER_CONTEXT* context = new TIMER_CONTEXT();
+    context->device = this;
+    context->timerType = timerType;
+    context->expectedTimes = times;
+
+    evp.sigev_value.sival_ptr = context;
+    evp.sigev_notify = SIGEV_THREAD; //SIGEV_THREAD_ID;
+    evp.sigev_notify_function = CPhoneDevice::handleTimer;
+    // evp.sigev_notify_thread_id = gettid();
+    // evp.sigev_notify = SIGEV_SIGNAL;
+    // evp.sigev_signo = SIGUSR2;
+
+    ret = timer_create(CLOCK_REALTIME, &evp, &timer);
+    if( ret)
     {
-        ALOGE("Failed to get JNI Env");
-        return false;
+        int err = errno;
+        delete context;
+        return INVALID_TIMER_UID;
     }
-    ret = env->CallBooleanMethod(m_javaService, mUnregisterTimerMid, (jlong)uid);
-    if (didAttachThread)
+
+    context->uid = (unsigned long)timer;
+    ts.it_value.tv_sec = (timeout / 1000);
+    ts.it_value.tv_nsec = (timeout % 1000) * 1000;
+    if (times != 1)
     {
-        m_vm->DetachCurrentThread();
+        ts.it_interval.tv_sec = ts.it_value.tv_sec;
+        ts.it_interval.tv_nsec = ts.it_value.tv_nsec;
     }
 
-    if (ret == JNI_TRUE)
+    ret = timer_settime(timer, 0, &ts, NULL);
+
+    if(ret)
     {
-        mTimers.erase(uid);
+        timer_delete(timer);
+        delete context;
+        return INVALID_TIMER_UID;
+    }
+
+    mTimers.insert(mTimers.end(), std::pair<IDevice::timer_uid_t, TIMER_CONTEXT*>((IDevice::timer_uid_t)timer, context));
+    return (IDevice::timer_uid_t)timer;
+}
+
+bool CPhoneDevice::UnregisterTimer(IDevice::timer_uid_t uid)
+{
+    timer_t timer = (timer_t)uid;
+    int res = timer_delete(timer);
+
+    std::map<IDevice::timer_uid_t, TIMER_CONTEXT*>::iterator it = mTimers.find(uid);
+    if (it != mTimers.end())
+    {
+        delete it->second;
+        mTimers.erase(it);
         return true;
     }
+
     return false;
 }
 
@@ -632,33 +698,6 @@ bool CPhoneDevice::ReleaseWakelock(unsigned long wakelock)
     return true;
 }
 
-bool CPhoneDevice::FireTimer(timer_uid_t uid, unsigned long times)
-{
-    std::map<IDevice::timer_uid_t, unsigned long>::iterator it = mTimers.find(uid);
-    if (it == mTimers.end())
-    {
-        return false;
-    }
-
-    unsigned long timerType = it->second & 0xFFFFFFFF;
-    unsigned long ntimes = (it->second & 0xFFFFFFFF00000000) >> 32;
-    ntimes++;
-
-    if (timerType != 100)
-    {
-        // int aa = 0;
-    }
-    it->second = timerType | (ntimes << 32);
-    if (m_listener == NULL)
-    {
-        return false;
-    }
-
-    m_listener->OnTimeout(uid, timerType, ntimes);
-
-    return true;
-}
-
 IDevice::timer_uid_t CPhoneDevice::RegisterHeartbeat(unsigned int timerType, unsigned int timeout)
 {
     mHeartbeatStartTime = time(NULL);

app/src/main/cpp/PhoneDevice.h

@@ -162,6 +162,15 @@ public:
 		CPhoneDevice* m_dev;
 	};
 
+    struct TIMER_CONTEXT
+    {
+        CPhoneDevice* device;
+        unsigned int timerType;
+        unsigned long times;
+		unsigned long expectedTimes;
+        unsigned long uid;
+    };
+
 	CPhoneDevice(JavaVM* vm, jobject service, const std::string& appPath, unsigned int netId);
 	virtual ~CPhoneDevice();
 
@@ -182,8 +191,6 @@ public:
     virtual unsigned long RequestWakelock(unsigned long timeout);
     virtual bool ReleaseWakelock(unsigned long wakelock);
 
-	virtual bool FireTimer(timer_uid_t uid, unsigned long times);
-
     bool GetNextScheduleItem(uint32_t tsBasedZero, uint32_t scheduleTime, vector<uint32_t>& items);
 
 	void UpdatePosition(double lon, double lat, time_t ts);
@@ -220,7 +227,6 @@ protected:
 	void QueryPowerInfo(std::map<std::string, std::string>& powerInfo);
     std::string QueryCpuTemperature();
 
-
 	bool OnImageReady(cv::Mat& mat);
 	void onError(const std::string& msg);
 
@@ -232,6 +238,11 @@ protected:
 	void TurnOnOtg(JNIEnv* env);
 	void TurnOffOtg(JNIEnv* env);
 
+    static void handleSignal(int sig, siginfo_t *si, void *uc);
+    bool RegisterHandlerForSignal(int sig);
+	void static handleTimer(union sigval v);
+    void handleTimerImpl(TIMER_CONTEXT* context);
+
 protected:
 
     JavaVM* m_vm;
@@ -266,7 +277,7 @@ protected:
 
 	atomic_ulong m_timerUidFeed;
     atomic_ulong m_wakelockIdFeed;
-	std::map<IDevice::timer_uid_t, unsigned long> mTimers;
+	std::map<IDevice::timer_uid_t, TIMER_CONTEXT*> mTimers;
 
 	mutable CPhoneCamera*	mCamera;
 

app/src/main/java/com/xypower/mpapp/MicroPhotoService.java

@@ -40,6 +40,7 @@ import android.os.PowerManager;
 import android.os.RemoteException;
 import android.os.SystemClock;
 
+import androidx.annotation.RequiresApi;
 import androidx.core.app.NotificationCompat;
 import androidx.core.content.FileProvider;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
@@ -485,43 +486,24 @@ public class MicroPhotoService extends Service {
     // private HashMap<Long, Integer> mTimers = new HashMap<Long, Integer>();
     public boolean registerTimer(long uid, int timeout, long times) {
 
+        Context context = getApplicationContext();
         // 创建延迟意图
         Intent alarmIntent = new Intent();
         alarmIntent.setAction(ACTION_TIMEOUT);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            alarmIntent.setIdentifier(Long.toString(uid));
+        }
         alarmIntent.putExtra(EXTRA_PARAM_TIMER_UID, uid);
         alarmIntent.putExtra(EXTRA_PARAM_TIMEOUT, timeout);
         alarmIntent.putExtra(EXTRA_PARAM_TIMES, times);
         alarmIntent.putExtra(EXTRA_PARAM_ELASPED_TIMES, 0L);
 
-        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 
         mTimers.put(Long.valueOf(uid), pendingIntent);
         return registerTimer(pendingIntent, uid, timeout);
     }
 
-    private void setDefaultDataSubId(int subId) {
-        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
-        try {
-            Method method = subscriptionManager.getClass().getDeclaredMethod("setDefaultDataSubId", int.class);
-            method.invoke(subscriptionManager, subId);
-            TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
-            Method method1 = telephonyManager.getClass().getDeclaredMethod("setDataEnabled", boolean.class);
-            method1.invoke(telephonyManager, true);
-        } catch (Exception e) {
-            Log.e(TAG, "wjz debug setDefaultDataSubId: error is " + e.getMessage());
-        }
-    }
-    private int getDefaultDataSubId() {
-        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
-        try {
-            Method method = subscriptionManager.getClass().getDeclaredMethod("getDefaultDataSubscriptionId");
-            return (int) method.invoke(subscriptionManager);
-        } catch (Exception e) {
-            Log.e(TAG, "wjz debug getDefaultDataSubId: error is " + e.getMessage());
-        }
-        return 0;
-    }
-
     public boolean registerTimer(PendingIntent pendingIntent, long uid, int timeout) {
 
         AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
@@ -534,8 +516,18 @@ public class MicroPhotoService extends Service {
 
     public boolean unregisterTimer(long uid) {
 
+        /*
+        Context context = getApplicationContext();
+
+        AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        PendingIntent pendingIntent = PendingIntent.getService(context, 0, pendingIntent., PendingIntent.FLAG_NO_CREATE);
+        if (pendingIntent != null && alarmManager != null) {
+            alarmManager.cancel(pendingIntent);
+        }
+        */
         Long uidObj = Long.valueOf(uid);
         PendingIntent pendingIntent = mTimers.get(uidObj);
+
         if (pendingIntent != null) {
             AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
 
@@ -1201,4 +1193,27 @@ cellSignalStrengthGsm.getDbm();
     };
 
     ////////////////////////GPS////////////////////
+
+    private void setDefaultDataSubId(int subId) {
+        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
+        try {
+            Method method = subscriptionManager.getClass().getDeclaredMethod("setDefaultDataSubId", int.class);
+            method.invoke(subscriptionManager, subId);
+            TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
+            Method method1 = telephonyManager.getClass().getDeclaredMethod("setDataEnabled", boolean.class);
+            method1.invoke(telephonyManager, true);
+        } catch (Exception e) {
+            Log.e(TAG, "wjz debug setDefaultDataSubId: error is " + e.getMessage());
+        }
+    }
+    private int getDefaultDataSubId() {
+        SubscriptionManager subscriptionManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
+        try {
+            Method method = subscriptionManager.getClass().getDeclaredMethod("getDefaultDataSubscriptionId");
+            return (int) method.invoke(subscriptionManager);
+        } catch (Exception e) {
+            Log.e(TAG, "wjz debug getDefaultDataSubId: error is " + e.getMessage());
+        }
+        return 0;
+    }
 }