Merge "Revert "Camera: Fix race condition between initialize and statusCallback"" into rvc-qpr-dev
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index 32d118d..f115fd8 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -1344,6 +1344,20 @@
         }
     }
 
+    // cameraDeviceStatusChange callbacks may be called (and causing new devices added)
+    // before setCallback returns
+    hardware::Return<Status> status = interface->setCallback(this);
+    if (!status.isOk()) {
+        ALOGE("%s: Transaction error setting up callbacks with camera provider '%s': %s",
+                __FUNCTION__, mProviderName.c_str(), status.description().c_str());
+        return DEAD_OBJECT;
+    }
+    if (status != Status::OK) {
+        ALOGE("%s: Unable to register callbacks with camera provider '%s'",
+                __FUNCTION__, mProviderName.c_str());
+        return mapToStatusT(status);
+    }
+
     hardware::Return<bool> linked = interface->linkToDeath(this, /*cookie*/ mId);
     if (!linked.isOk()) {
         ALOGE("%s: Transaction error in linking to camera provider '%s' death: %s",
@@ -1372,7 +1386,6 @@
         return res;
     }
 
-    Status status;
     // Get initial list of camera devices, if any
     std::vector<std::string> devices;
     hardware::Return<void> ret = interface->getCameraIdList([&status, this, &devices](
@@ -1437,22 +1450,6 @@
         }
     }
 
-    // cameraDeviceStatusChange callbacks may be called (and causing new devices added)
-    // before setCallback returns. setCallback must be called after addDevice so that
-    // the physical camera status callback can look up available regular
-    // cameras.
-    hardware::Return<Status> st = interface->setCallback(this);
-    if (!st.isOk()) {
-        ALOGE("%s: Transaction error setting up callbacks with camera provider '%s': %s",
-                __FUNCTION__, mProviderName.c_str(), st.description().c_str());
-        return DEAD_OBJECT;
-    }
-    if (st != Status::OK) {
-        ALOGE("%s: Unable to register callbacks with camera provider '%s'",
-                __FUNCTION__, mProviderName.c_str());
-        return mapToStatusT(st);
-    }
-
     ALOGI("Camera provider %s ready with %zu camera devices",
             mProviderName.c_str(), mDevices.size());
 
@@ -1783,9 +1780,10 @@
         CameraDeviceStatus newStatus) {
     sp<StatusListener> listener;
     std::string id;
-    bool initialized = false;
     {
         std::lock_guard<std::mutex> lock(mLock);
+        if (!mInitialized) return hardware::Void();
+
         bool known = false;
         for (auto& deviceInfo : mDevices) {
             if (deviceInfo->mName == cameraDeviceName) {
@@ -1802,10 +1800,9 @@
                             __FUNCTION__, id.c_str(), physicalCameraDeviceName.c_str());
                     return hardware::Void();
                 }
-                ALOGI("Camera device %s physical device %s status is now %s, was %s",
+                ALOGI("Camera device %s physical device %s status is now %s",
                         cameraDeviceName.c_str(), physicalCameraDeviceName.c_str(),
-                        deviceStatusToString(newStatus), deviceStatusToString(
-                        deviceInfo->mPhysicalStatus[physicalCameraDeviceName]));
+                        deviceStatusToString(newStatus));
                 known = true;
                 break;
             }
@@ -1818,13 +1815,12 @@
             return hardware::Void();
         }
         listener = mManager->getStatusListener();
-        initialized = mInitialized;
     }
     // Call without lock held to allow reentrancy into provider manager
     // Don't send the callback if providerInfo hasn't been initialized.
     // CameraService will initialize device status after provider is
     // initialized
-    if (listener != nullptr && initialized) {
+    if (listener != nullptr) {
         String8 physicalId(physicalCameraDeviceName.c_str());
         listener->onDeviceStatusChanged(String8(id.c_str()),
                 physicalId, newStatus);
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index 25d3639..281cb3d 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -444,8 +444,6 @@
             const hardware::camera::common::V1_0::CameraResourceCost mResourceCost;
 
             hardware::camera::common::V1_0::CameraDeviceStatus mStatus;
-            std::map<std::string, hardware::camera::common::V1_0::CameraDeviceStatus>
-                    mPhysicalStatus;
 
             wp<ProviderInfo> mParentProvider;
 
diff --git a/services/mediametrics/AudioAnalytics.cpp b/services/mediametrics/AudioAnalytics.cpp
index 29801a4..d78d1e3 100644
--- a/services/mediametrics/AudioAnalytics.cpp
+++ b/services/mediametrics/AudioAnalytics.cpp
@@ -43,7 +43,7 @@
 #endif
 
 // Maximum length of a device name.
-static constexpr size_t STATSD_DEVICE_NAME_MAX_LENGTH = 32;
+// static constexpr size_t STATSD_DEVICE_NAME_MAX_LENGTH = 32; // unused since we suppress
 
 // Transmit Enums to statsd in integer or strings  (this must match the atoms.proto)
 static constexpr bool STATSD_USE_INT_FOR_ENUM = false;
@@ -66,6 +66,8 @@
 
 static constexpr int PREVIOUS_STATE_EXPIRE_SEC = 60 * 60; // 1 hour.
 
+static constexpr const char * SUPPRESSED = "SUPPRESSED";
+
 /*
  * For logging purposes, we list all of the MediaMetrics atom fields,
  * which can then be associated with consecutive arguments to the statsd write.
@@ -448,6 +450,8 @@
     std::string outputDeviceNames;
     if (outputDevices.find("AUDIO_DEVICE_OUT_BLUETOOTH") != std::string::npos) {
         isBluetooth = true;
+        outputDeviceNames = SUPPRESSED;
+#if 0   // TODO(b/161554630) sanitize name
         mAudioAnalytics.mAnalyticsState->timeMachine().get(
             "audio.device.bt_a2dp", AMEDIAMETRICS_PROP_NAME, &outputDeviceNames);
         // Remove | if present
@@ -455,6 +459,7 @@
         if (outputDeviceNames.size() > STATSD_DEVICE_NAME_MAX_LENGTH) {
             outputDeviceNames.resize(STATSD_DEVICE_NAME_MAX_LENGTH); // truncate
         }
+#endif
     }
 
     switch (itemType) {
@@ -775,7 +780,7 @@
         std::lock_guard l(mLock);
         mA2dpConnectionRequestNs = atNs;
         ++mA2dpConnectionRequests;
-        mA2dpDeviceName = name;
+        mA2dpDeviceName = SUPPRESSED; // TODO(b/161554630) sanitize name
     }
     ALOGD("(key=%s) a2dp connection name:%s request atNs:%lld",
             key.c_str(), name.c_str(), (long long)atNs);
diff --git a/services/mediametrics/AudioPowerUsage.cpp b/services/mediametrics/AudioPowerUsage.cpp
index cca6b41..33dfa8fa 100644
--- a/services/mediametrics/AudioPowerUsage.cpp
+++ b/services/mediametrics/AudioPowerUsage.cpp
@@ -200,6 +200,34 @@
     return true;
 }
 
+bool AudioPowerUsage::saveAsItems_l(
+        int32_t device, int64_t duration_ns, int32_t type, double average_vol)
+{
+    ALOGV("%s: (%#x, %d, %lld, %f)", __func__, device, type,
+                                   (long long)duration_ns, average_vol );
+    if (duration_ns == 0) {
+        return true; // skip duration 0 usage
+    }
+    if (device == 0) {
+        return true; //ignore unknown device
+    }
+
+    bool ret = false;
+    const int32_t input_bit = device & INPUT_DEVICE_BIT;
+    int32_t device_bits = device ^ input_bit;
+
+    while (device_bits != 0) {
+        int32_t tmp_device = device_bits & -device_bits; // get lowest bit
+        device_bits ^= tmp_device;  // clear lowest bit
+        tmp_device |= input_bit;    // restore input bit
+        ret = saveAsItem_l(tmp_device, duration_ns, type, average_vol);
+
+        ALOGV("%s: device %#x recorded, remaining device_bits = %#x", __func__,
+            tmp_device, device_bits);
+    }
+    return ret;
+}
+
 void AudioPowerUsage::checkTrackRecord(
         const std::shared_ptr<const mediametrics::Item>& item, bool isTrack)
 {
@@ -245,7 +273,7 @@
         ALOGV("device = %s => %d", device_strings.c_str(), device);
     }
     std::lock_guard l(mLock);
-    saveAsItem_l(device, deviceTimeNs, type, deviceVolume);
+    saveAsItems_l(device, deviceTimeNs, type, deviceVolume);
 }
 
 void AudioPowerUsage::checkMode(const std::shared_ptr<const mediametrics::Item>& item)
@@ -262,7 +290,7 @@
         if (durationNs > 0) {
             mDeviceVolume = (mDeviceVolume * double(mVolumeTimeNs - mDeviceTimeNs) +
                     mVoiceVolume * double(endCallNs - mVolumeTimeNs)) / durationNs;
-            saveAsItem_l(mPrimaryDevice, durationNs, VOICE_CALL_TYPE, mDeviceVolume);
+            saveAsItems_l(mPrimaryDevice, durationNs, VOICE_CALL_TYPE, mDeviceVolume);
         }
     } else if (mode == "AUDIO_MODE_IN_CALL") { // entering call mode
         mStartCallNs = item->getTimestamp(); // advisory only
@@ -321,7 +349,7 @@
         if (durationNs > 0) {
             mDeviceVolume = (mDeviceVolume * double(mVolumeTimeNs - mDeviceTimeNs) +
                     mVoiceVolume * double(endDeviceNs - mVolumeTimeNs)) / durationNs;
-            saveAsItem_l(mPrimaryDevice, durationNs, VOICE_CALL_TYPE, mDeviceVolume);
+            saveAsItems_l(mPrimaryDevice, durationNs, VOICE_CALL_TYPE, mDeviceVolume);
         }
         // reset statistics
         mDeviceVolume = 0;
diff --git a/services/mediametrics/AudioPowerUsage.h b/services/mediametrics/AudioPowerUsage.h
index 446ff4f..b705a6a 100644
--- a/services/mediametrics/AudioPowerUsage.h
+++ b/services/mediametrics/AudioPowerUsage.h
@@ -85,6 +85,8 @@
          REQUIRES(mLock);
     static void sendItem(const std::shared_ptr<const mediametrics::Item>& item);
     void collect();
+    bool saveAsItems_l(int32_t device, int64_t duration, int32_t type, double average_vol)
+         REQUIRES(mLock);
 
     AudioAnalytics * const mAudioAnalytics;
     const bool mDisabled;