dynamic_sensor: Add sensor manager init to sub-HAL 2.1.

Bug: 195964858
Test: Verified dynamic sensor manager is present in sensor list and that
 no SELinux violations occur.
Test: See details in testing done comment in
 https://googleplex-android-review.git.corp.google.com/15874906 .
Change-Id: I5d587dc46bdec66c3162bf222d36b285b8d2ca3d

3 files changed, 47 insertions, 2 deletions

diff --git a/modules/sensors/dynamic_sensor/DummyDynamicAccelDaemon.cpp b/modules/sensors/dynamic_sensor/DummyDynamicAccelDaemon.cpp
index a1a47e81..0cc8a393 100644
--- a/modules/sensors/dynamic_sensor/DummyDynamicAccelDaemon.cpp
+++ b/modules/sensors/dynamic_sensor/DummyDynamicAccelDaemon.cpp
@@ -28,7 +28,7 @@
 #include <netinet/in.h>
 #include <algorithm>            //std::max
 
-#define SYSPROP_PREFIX                  "dynamic_sensor.dummy"
+#define SYSPROP_PREFIX                  "vendor.dynamic_sensor.mock"
 #define FILE_NAME_BASE                  "dummy_accel_file"
 #define FILE_NAME_REGEX                 ("^" FILE_NAME_BASE "[0-9]$")
 
diff --git a/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.cpp b/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.cpp
index df636a3b..9f9a9fef 100644
--- a/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.cpp
+++ b/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.cpp
@@ -20,12 +20,22 @@
 #include <log/log.h>
 
 using ::android::hardware::sensors::V1_0::Result;
+using ::android::hardware::sensors::V2_1::SensorInfo;
+using ::android::hardware::sensors::V2_1::SensorType;
 template<class T> using Return = ::android::hardware::Return<T>;
 using ::android::hardware::Void;
 
 namespace android {
 namespace SensorHalExt {
 
+DynamicSensorsSubHal::DynamicSensorsSubHal() {
+    // initialize dynamic sensor manager
+    mDynamicSensorManager.reset(
+            DynamicSensorManager::createInstance(kDynamicHandleBase,
+                                                 kMaxDynamicHandleCount,
+                                                 nullptr /* callback */));
+}
+
 // ISensors.
 Return<Result> DynamicSensorsSubHal::setOperationMode(OperationMode mode) {
     return (mode == static_cast<OperationMode>(SENSOR_HAL_NORMAL_MODE) ?
@@ -77,9 +87,32 @@ Return<void> DynamicSensorsSubHal::configDirectReport(
 }
 
 Return<void> DynamicSensorsSubHal::getSensorsList_2_1(
-        getSensorsList_2_1_cb callback __unused) {
+        getSensorsList_2_1_cb callback) {
+    const sensor_t& sensor_info = mDynamicSensorManager->getDynamicMetaSensor();
+    std::vector<SensorInfo> sensors;
+
     ALOGD("DynamicSensorsSubHal::getSensorsList_2_1 invoked.");
 
+    // get the dynamic sensor info
+    sensors.resize(1);
+    sensors[0].sensorHandle = sensor_info.handle;
+    sensors[0].name = sensor_info.name;
+    sensors[0].vendor = sensor_info.vendor;
+    sensors[0].version = 1;
+    sensors[0].type = static_cast<SensorType>(sensor_info.type);
+    sensors[0].typeAsString = sensor_info.stringType;
+    sensors[0].maxRange = sensor_info.maxRange;
+    sensors[0].resolution = sensor_info.resolution;
+    sensors[0].power = sensor_info.power;
+    sensors[0].minDelay = sensor_info.minDelay;
+    sensors[0].fifoReservedEventCount = sensor_info.fifoReservedEventCount;
+    sensors[0].fifoMaxEventCount = sensor_info.fifoMaxEventCount;
+    sensors[0].requiredPermission = sensor_info.requiredPermission;
+    sensors[0].maxDelay = sensor_info.maxDelay;
+    sensors[0].flags = sensor_info.flags;
+
+    callback(sensors);
+
     return Void();
 }
 
diff --git a/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.h b/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.h
index 36ed9f5a..ab5d2999 100644
--- a/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.h
+++ b/modules/sensors/dynamic_sensor/DynamicSensorsSubHal.h
@@ -17,6 +17,8 @@
 #ifndef ANDROID_SENSORHAL_EXT_DYNAMIC_SENSORS_SUB_HAL_H
 #define ANDROID_SENSORHAL_EXT_DYNAMIC_SENSORS_SUB_HAL_H
 
+#include "DynamicSensorManager.h"
+
 #include <V2_1/SubHal.h>
 
 namespace android {
@@ -37,6 +39,8 @@ class DynamicSensorsSubHal :
     using SharedMemInfo = ::android::hardware::sensors::V1_0::SharedMemInfo;
 
 public:
+    DynamicSensorsSubHal();
+
     // ISensors.
     Return<Result> setOperationMode(OperationMode mode) override;
     Return<Result> activate(int32_t sensor_handle, bool enabled) override;
@@ -60,6 +64,14 @@ public:
     const std::string getName() override { return "Dynamic-SubHAL"; }
     Return<Result> initialize(
             const sp<IHalProxyCallback>& hal_proxy_callback) override;
+
+private:
+    static constexpr int32_t kDynamicHandleBase = 0;
+    static constexpr int32_t kDynamicHandleEnd = 0x1000000;
+    static constexpr int32_t kMaxDynamicHandleCount = kDynamicHandleEnd -
+                                                      kDynamicHandleBase;
+
+    std::unique_ptr<DynamicSensorManager> mDynamicSensorManager;
 };
 
 } // namespace SensorHalExt