Delete the cuttlefish sensors hal.

Cuttlefish now uses the generic sensors mock hal.

Bug: 144452545
Test: Build and run
Change-Id: Ie9e0b496699fee3c4bd46aa1be255a0c9c15dc80
diff --git a/guest/hals/sensors/Android.mk b/guest/hals/sensors/Android.mk
deleted file mode 100644
index e9a1a1a..0000000
--- a/guest/hals/sensors/Android.mk
+++ /dev/null
@@ -1,63 +0,0 @@
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-
-# HAL module implemenation stored in
-# hw/<SENSORS_HARDWARE_MODULE_ID>.<ro.hardware>.so
-include $(CLEAR_VARS)
-
-ifeq (0, $(shell test $(PLATFORM_SDK_VERSION) -ge 21; echo $$?))
-LOCAL_MODULE_RELATIVE_PATH := hw
-else
-LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
-endif
-LOCAL_MULTILIB := first
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_SHARED_LIBRARIES := \
-    $(VSOC_STLPORT_LIBS) \
-    libcuttlefish_fs \
-    cuttlefish_auto_resources \
-    liblog \
-    libcutils
-
-LOCAL_HEADER_LIBRARIES := \
-    libhardware_headers
-
-LOCAL_SRC_FILES := \
-    sensors.cpp \
-    sensors_hal.cpp \
-    vsoc_sensors.cpp \
-    vsoc_sensors_message.cpp
-
-LOCAL_CFLAGS := -DLOG_TAG=\"VSoC-Sensors\" \
-    $(VSOC_VERSION_CFLAGS) \
-    -std=c++17 \
-    -Werror -Wall -Wno-missing-field-initializers -Wno-unused-parameter
-
-LOCAL_C_INCLUDES := \
-    $(VSOC_STLPORT_INCLUDES) \
-    device/google/cuttlefish_common \
-    system/extras
-
-LOCAL_STATIC_LIBRARIES := \
-    libcutils \
-    libcuttlefish_remoter_framework \
-    $(VSOC_STLPORT_STATIC_LIBS)
-
-LOCAL_MODULE := sensors.cutf
-LOCAL_VENDOR_MODULE := true
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/guest/hals/sensors/sensors.cpp b/guest/hals/sensors/sensors.cpp
deleted file mode 100644
index 951461d..0000000
--- a/guest/hals/sensors/sensors.cpp
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "guest/hals/sensors/vsoc_sensors.h"
-
-#include <limits>
-
-#include "guest/hals/sensors/sensors.h"
-
-namespace cvd {
-namespace {
-const cvd::time::Milliseconds kDefaultSamplingRate(200);
-
-timespec infinity() {
-  timespec ts;
-  ts.tv_sec = std::numeric_limits<time_t>::max();
-  ts.tv_nsec = 0;
-  return ts;
-}
-}  // namespace
-
-const cvd::time::MonotonicTimePoint SensorState::kInfinity =
-    cvd::time::MonotonicTimePoint(infinity());
-
-SensorState::SensorState(SensorInfo info)
-    : enabled_(false),
-      event_(),
-      deadline_(kInfinity),
-      sampling_period_(kDefaultSamplingRate) {
-  event_.sensor = info.handle;
-  event_.type = info.type;
-}
-
-SensorInfo::SensorInfo(const char* name, const char* vendor, int version,
-                       int handle, int type, float max_range, float resolution,
-                       float power, int32_t min_delay,
-                       uint32_t fifo_reserved_event_count,
-                       uint32_t fifo_max_event_count, const char* string_type,
-                       const char* required_permission, int32_t max_delay,
-                       uint32_t reporting_mode) {
-  this->name = name;
-  this->vendor = vendor;
-  this->version = version;
-  this->handle = handle;
-  this->type = type;
-  this->maxRange = max_range;
-  this->resolution = resolution;
-  this->power = power;
-  this->minDelay = min_delay;
-  this->fifoReservedEventCount = fifo_reserved_event_count;
-  this->fifoMaxEventCount = fifo_max_event_count;
-  this->stringType = string_type;
-  this->requiredPermission = required_permission;
-  this->maxDelay = max_delay;
-  this->flags = reporting_mode;
-}
-
-namespace sc = sensors_constants;
-
-SensorInfo AccelerometerSensor() {
-  uint32_t flags = sc::kAccelerometerReportingMode |
-      (sc::kAccelerometerIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kAccelerometerName, sc::kVendor, sc::kVersion,
-                    sc::kAccelerometerHandle, SENSOR_TYPE_ACCELEROMETER,
-                    sc::kAccelerometerMaxRange, sc::kAccelerometerResolution,
-                    sc::kAccelerometerPower, sc::kAccelerometerMinDelay,
-                    sc::kFifoReservedEventCount, sc::kFifoMaxEventCount,
-                    sc::kAccelerometerStringType, sc::kRequiredPermission,
-                    sc::kMaxDelay, flags);
-}
-
-SensorInfo GyroscopeSensor() {
-  uint32_t flags = sc::kGyroscopeReportingMode |
-      (sc::kGyroscopeIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(
-      sc::kGyroscopeName, sc::kVendor, sc::kVersion, sc::kGyroscopeHandle,
-      SENSOR_TYPE_GYROSCOPE, sc::kGyroscopeMaxRange, sc::kGyroscopeResolution,
-      sc::kGyroscopePower, sc::kGyroscopeMinDelay, sc::kFifoReservedEventCount,
-      sc::kFifoMaxEventCount, sc::kGyroscopeStringType, sc::kRequiredPermission,
-      sc::kMaxDelay, flags);
-}
-
-SensorInfo LightSensor() {
-  uint32_t flags = sc::kLightReportingMode |
-      (sc::kLightIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kLightName, sc::kVendor, sc::kVersion, sc::kLightHandle,
-                    SENSOR_TYPE_LIGHT, sc::kLightMaxRange, sc::kLightResolution,
-                    sc::kLightPower, sc::kLightMinDelay,
-                    sc::kFifoReservedEventCount, sc::kFifoMaxEventCount,
-                    sc::kLightStringType, sc::kRequiredPermission,
-                    sc::kMaxDelay, flags);
-}
-
-SensorInfo MagneticFieldSensor() {
-  uint32_t flags = sc::kMagneticFieldReportingMode |
-      (sc::kMagneticFieldIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kMagneticFieldName, sc::kVendor, sc::kVersion,
-                    sc::kMagneticFieldHandle, SENSOR_TYPE_MAGNETIC_FIELD,
-                    sc::kMagneticFieldMaxRange, sc::kMagneticFieldResolution,
-                    sc::kMagneticFieldPower, sc::kMagneticFieldMinDelay,
-                    sc::kFifoReservedEventCount, sc::kFifoMaxEventCount,
-                    sc::kMagneticFieldStringType, sc::kRequiredPermission,
-                    sc::kMaxDelay, flags);
-}
-
-SensorInfo PressureSensor() {
-  uint32_t flags = sc::kPressureReportingMode |
-      (sc::kPressureIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(
-      sc::kPressureName, sc::kVendor, sc::kVersion, sc::kPressureHandle,
-      SENSOR_TYPE_PRESSURE, sc::kPressureMaxRange, sc::kPressureResolution,
-      sc::kPressurePower, sc::kPressureMinDelay, sc::kFifoReservedEventCount,
-      sc::kFifoMaxEventCount, sc::kPressureStringType, sc::kRequiredPermission,
-      sc::kMaxDelay, flags);
-}
-
-SensorInfo ProximitySensor() {
-  uint32_t flags = sc::kProximityReportingMode |
-      (sc::kProximityIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(
-      sc::kProximityName, sc::kVendor, sc::kVersion, sc::kProximityHandle,
-      SENSOR_TYPE_PROXIMITY, sc::kProximityMaxRange, sc::kProximityResolution,
-      sc::kProximityPower, sc::kProximityMinDelay, sc::kFifoReservedEventCount,
-      sc::kFifoMaxEventCount, sc::kProximityStringType, sc::kRequiredPermission,
-      sc::kMaxDelay, flags);
-}
-
-SensorInfo AmbientTempSensor() {
-  uint32_t flags = sc::kAmbientTempReportingMode |
-      (sc::kAmbientTempIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kAmbientTempName, sc::kVendor, sc::kVersion,
-                    sc::kAmbientTempHandle, SENSOR_TYPE_AMBIENT_TEMPERATURE,
-                    sc::kAmbientTempMaxRange, sc::kAmbientTempResolution,
-                    sc::kAmbientTempPower, sc::kAmbientTempMinDelay,
-                    sc::kFifoReservedEventCount, sc::kFifoMaxEventCount,
-                    sc::kAmbientTempStringType, sc::kRequiredPermission,
-                    sc::kMaxDelay, flags);
-}
-
-SensorInfo DeviceTempSensor() {
-  uint32_t flags = sc::kDeviceTempReportingMode |
-      (sc::kDeviceTempIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kDeviceTempName, sc::kVendor, sc::kVersion,
-                    sc::kDeviceTempHandle, SENSOR_TYPE_TEMPERATURE,
-                    sc::kDeviceTempMaxRange, sc::kDeviceTempResolution,
-                    sc::kDeviceTempPower, sc::kDeviceTempMinDelay,
-                    sc::kFifoReservedEventCount, sc::kFifoMaxEventCount,
-                    sc::kDeviceTempStringType, sc::kRequiredPermission,
-                    sc::kMaxDelay, flags);
-}
-
-SensorInfo RelativeHumiditySensor() {
-  uint32_t flags = sc::kRelativeHumidityReportingMode |
-      (sc::kRelativeHumidityIsWakeup ? SENSOR_FLAG_WAKE_UP : 0);
-
-  return SensorInfo(sc::kRelativeHumidityName, sc::kVendor, sc::kVersion,
-                    sc::kRelativeHumidityHandle, SENSOR_TYPE_RELATIVE_HUMIDITY,
-                    sc::kRelativeHumidityMaxRange,
-                    sc::kRelativeHumidityResolution, sc::kRelativeHumidityPower,
-                    sc::kRelativeHumidityMinDelay, sc::kFifoReservedEventCount,
-                    sc::kFifoMaxEventCount, sc::kRelativeHumidityStringType,
-                    sc::kRequiredPermission, sc::kMaxDelay,
-                    flags);
-}
-
-}  // namespace cvd
diff --git a/guest/hals/sensors/sensors.h b/guest/hals/sensors/sensors.h
deleted file mode 100644
index 9543e4e..0000000
--- a/guest/hals/sensors/sensors.h
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include "common/libs/time/monotonic_time.h"
-#include "guest/hals/sensors/sensors_hal.h"
-
-namespace cvd {
-
-// Stores static information about a sensor.
-// Must be completely compatible with sensor_t (i.e. no additional
-// information or virtual functions)
-// so we can cast a list of SensorInfo to a list of sensor_t.
-class SensorInfo : public sensor_t {
- public:
-  // Dummy, empty set of sensor information (value-initialized).
-  SensorInfo() : sensor_t() {}
-
- private:
-  SensorInfo(const char* name, const char* vendor, int version, int handle,
-             int type, float max_range, float resolution, float power,
-             int32_t min_delay, uint32_t fifo_reserved_event_count,
-             uint32_t fifo_max_event_count, const char* string_type,
-             const char* required_permission, int32_t max_delay,
-             uint32_t reporting_mode);
-
-  friend SensorInfo AccelerometerSensor();
-  friend SensorInfo GyroscopeSensor();
-  friend SensorInfo LightSensor();
-  friend SensorInfo MagneticFieldSensor();
-  friend SensorInfo PressureSensor();
-  friend SensorInfo ProximitySensor();
-  friend SensorInfo AmbientTempSensor();
-  friend SensorInfo DeviceTempSensor();
-  friend SensorInfo RelativeHumiditySensor();
-};
-
-SensorInfo AccelerometerSensor();
-SensorInfo GyroscopeSensor();
-SensorInfo LightSensor();
-SensorInfo MagneticFieldSensor();
-SensorInfo PressureSensor();
-SensorInfo ProximitySensor();
-SensorInfo AmbientTempSensor();
-SensorInfo DeviceTempSensor();
-SensorInfo RelativeHumiditySensor();
-
-// Stores the current state of a sensor.
-class SensorState {
- public:
-  SensorState(SensorInfo info);
-  virtual ~SensorState() {}
-
-  // What this sensor is activated or not.
-  bool enabled_;
-  // Buffer of incoming events.
-  sensors_event_t event_;
-  // The deadline at which we should report the next sensor event
-  // to the framework in order to meet our frequency constraints.
-  // For disabled sensors, should be 'infinity'.
-  cvd::time::MonotonicTimePoint deadline_;
-  // Delay time between consecutive sensor samples, in ns.
-  cvd::time::Nanoseconds sampling_period_;
-
-  // Time 'infinity'.
-  static const cvd::time::MonotonicTimePoint kInfinity;
-};
-
-namespace sensors_constants {
-// TODO: Verify these numbers.
-// Vendor of the hardware part.
-const char kVendor[] = "Google";
-// Version of the hardware part + driver. The value of this field
-// must increase when the driver is updated in a way that
-// changes the output of the sensor.
-const int kVersion = VSOC_SENSOR_DEVICE_VERSION;
-// Number of events reserved for this sensor in batch mode FIFO.
-// If it has its own FIFO, the size of that FIFO.
-const uint32_t kFifoReservedEventCount = 15;
-// Maximum events that can be batched. In a shared FIFO,
-// the size of that FIFO.
-const uint32_t kFifoMaxEventCount = 15;
-// Permission required to use this sensor, or empty string
-// if none required.
-const char kRequiredPermission[] = "";
-// Defined only for continuous mode and on-change sensors.
-// Delay corresponding with lowest frequency supported.
-const int32_t kMaxDelay = 5000000;
-
-// Name of this sensor. Must be unique.
-const char kAccelerometerName[] = "acceleration";
-const char kGyroscopeName[] = "gyroscope";
-const char kLightName[] = "light";
-const char kMagneticFieldName[] = "magnetic_field";
-const char kPressureName[] = "pressure";
-const char kProximityName[] = "proximity";
-const char kAmbientTempName[] = "ambient_temp";
-const char kDeviceTempName[] = "device_temp";
-const char kRelativeHumidityName[] = "relative_humidity";
-
-// Handle that identifies the sensor. This is used as an array index,
-// so must be unique in the range [0, # sensors)
-
-const int kAccelerometerHandle = 0;
-const int kGyroscopeHandle = 1;
-const int kLightHandle = 2;
-const int kMagneticFieldHandle = 3;
-const int kPressureHandle = 4;
-const int kProximityHandle = 5;
-const int kAmbientTempHandle = 6;
-const int kDeviceTempHandle = 7;
-const int kRelativeHumidityHandle = 8;
-
-// For continuous sensors, minimum sample period (in microseconds).
-// On-Change (0), One-shot (-1), and special (0).
-const int32_t kAccelerometerMinDelay = 4444;
-const int32_t kGyroscopeMinDelay = 4444;
-const int32_t kLightMinDelay = 0;
-const int32_t kMagneticFieldMinDelay = 14285;
-const int32_t kPressureMinDelay = 28571;
-const int32_t kProximityMinDelay = 0;
-const int32_t kAmbientTempMinDelay = 4444;
-const int32_t kDeviceTempMinDelay = 4444;
-const int32_t kRelativeHumidityMinDelay = 4444;
-
-// Maximum range of this sensor's value in SI units.
-const float kAccelerometerMaxRange = 39.226593f;
-const float kGyroscopeMaxRange = 8.726639f;
-const float kLightMaxRange = 10000.0f;
-const float kMagneticFieldMaxRange = 4911.9995f;
-const float kPressureMaxRange = 1100.0f;
-const float kProximityMaxRange = 5.0f;
-const float kAmbientTempMaxRange = 80.0f;
-const float kDeviceTempMaxRange = 80.0f;
-const float kRelativeHumidityMaxRange = 100;
-
-// Smallest difference between two values reported by this sensor.
-const float kAccelerometerResolution = 0.45f;
-const float kGyroscopeResolution = 10.0f;
-const float kLightResolution = 10.0f;
-const float kMagneticFieldResolution = 1.0f;
-const float kPressureResolution = 1.0f;
-const float kProximityResolution = 1.0f;
-const float kAmbientTempResolution = 1.0f;
-const float kDeviceTempResolution = 1.0f;
-const float kRelativeHumidityResolution = 1.0f;
-
-// Rough estimate of this sensor's power consumption in mA.
-const float kAccelerometerPower = 0.45f;
-const float kGyroscopePower = 3.6f;
-const float kLightPower = 0.175f;
-const float kMagneticFieldPower = 5.0f;
-const float kPressurePower = 0.004f;
-const float kProximityPower = 12.675f;
-const float kAmbientTempPower = 1.0f;
-const float kDeviceTempPower = 1.0f;
-const float kRelativeHumidityPower = 1.0f;
-
-// Type of this sensor, represented as a string.
-
-const char kAccelerometerStringType[] = SENSOR_STRING_TYPE_ACCELEROMETER;
-const char kGyroscopeStringType[] = SENSOR_STRING_TYPE_GYROSCOPE;
-const char kLightStringType[] = SENSOR_STRING_TYPE_LIGHT;
-const char kMagneticFieldStringType[] = SENSOR_STRING_TYPE_MAGNETIC_FIELD;
-const char kPressureStringType[] = SENSOR_STRING_TYPE_PRESSURE;
-const char kProximityStringType[] = SENSOR_STRING_TYPE_PROXIMITY;
-const char kAmbientTempStringType[] = SENSOR_STRING_TYPE_AMBIENT_TEMPERATURE;
-const char kDeviceTempStringType[] = SENSOR_STRING_TYPE_TEMPERATURE;
-const char kRelativeHumidityStringType[] = SENSOR_STRING_TYPE_RELATIVE_HUMIDITY;
-
-const uint32_t kAccelerometerReportingMode = SENSOR_FLAG_CONTINUOUS_MODE;
-const uint32_t kGyroscopeReportingMode = SENSOR_FLAG_CONTINUOUS_MODE;
-const uint32_t kLightReportingMode = SENSOR_FLAG_ON_CHANGE_MODE;
-const uint32_t kMagneticFieldReportingMode = SENSOR_FLAG_CONTINUOUS_MODE;
-const uint32_t kPressureReportingMode = SENSOR_FLAG_CONTINUOUS_MODE;
-const uint32_t kProximityReportingMode = SENSOR_FLAG_ON_CHANGE_MODE;
-const uint32_t kAmbientTempReportingMode = SENSOR_FLAG_ON_CHANGE_MODE;
-const uint32_t kDeviceTempReportingMode = SENSOR_FLAG_ON_CHANGE_MODE;
-const uint32_t kRelativeHumidityReportingMode = SENSOR_FLAG_ON_CHANGE_MODE;
-
-const bool kAccelerometerIsWakeup = false;
-const bool kGyroscopeIsWakeup = false;
-const bool kLightIsWakeup = false;
-const bool kMagneticFieldIsWakeup = false;
-const bool kPressureIsWakeup = false;
-const bool kProximityIsWakeup = true;
-const bool kAmbientTempIsWakeup = false;
-const bool kDeviceTempIsWakeup = false;
-const bool kRelativeHumidityIsWakeup = false;
-
-}  // namespace sensors_constants
-}  // namespace cvd
-
diff --git a/guest/hals/sensors/sensors_hal.cpp b/guest/hals/sensors/sensors_hal.cpp
deleted file mode 100644
index c1e2284..0000000
--- a/guest/hals/sensors/sensors_hal.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "guest/hals/sensors/sensors_hal.h"
-
-#include "guest/hals/sensors/vsoc_sensors.h"
-
-static hw_module_methods_t hal_module_methods = {
-  .open = cvd::GceSensors::Open,
-};
-
-sensors_module_t HAL_MODULE_INFO_SYM = {
-  .common = {
-    .tag = HARDWARE_MODULE_TAG,
-    .module_api_version = 1,
-    .hal_api_version = 0,
-    .id = SENSORS_HARDWARE_MODULE_ID,
-    .name = "Android-GCE SENSORS Module",
-    .author = "Google",
-    .methods = & hal_module_methods,
-  },
-  .get_sensors_list = cvd::GceSensors::GetSensorsList,
-  .set_operation_mode = cvd::GceSensors::SetOperationMode,
-};
diff --git a/guest/hals/sensors/sensors_hal.h b/guest/hals/sensors/sensors_hal.h
deleted file mode 100644
index 263bf09..0000000
--- a/guest/hals/sensors/sensors_hal.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <log/log.h>
-#include <hardware/hardware.h>
-#include <hardware/sensors.h>
-
-#define VSOC_SENSOR_DEVICE_VERSION SENSORS_DEVICE_API_VERSION_1_4
-
-#define SENSORS_DEBUG 0
-
-#if SENSORS_DEBUG
-#  define D(...) ALOGD(__VA_ARGS__)
-#else
-#  define D(...) ((void)0)
-#endif
-
diff --git a/guest/hals/sensors/vsoc_sensors.cpp b/guest/hals/sensors/vsoc_sensors.cpp
deleted file mode 100644
index c9388b0..0000000
--- a/guest/hals/sensors/vsoc_sensors.cpp
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <cstdint>
-
-#include <cutils/properties.h>
-#include <cutils/sockets.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/system_properties.h>
-#include <unistd.h>
-
-#include <algorithm>
-
-#include "common/libs/fs/shared_select.h"
-#include "common/libs/threads/thunkers.h"
-#include "guest/hals/sensors/sensors_hal.h"
-#include "guest/hals/sensors/vsoc_sensors.h"
-#include "guest/hals/sensors/vsoc_sensors_message.h"
-#include "guest/libs/remoter/remoter_framework_pkt.h"
-
-using cvd::LockGuard;
-using cvd::Mutex;
-using cvd::time::Milliseconds;
-using cvd::time::MonotonicTimePoint;
-using cvd::time::Nanoseconds;
-
-namespace cvd {
-
-int GceSensors::total_sensor_count_ = -1;
-SensorInfo* GceSensors::sensor_infos_ = NULL;
-const int GceSensors::kInjectedEventWaitPeriods = 3;
-const Nanoseconds GceSensors::kInjectedEventWaitTime =
-    Nanoseconds(Milliseconds(20));
-
-GceSensors::GceSensors()
-  : sensors_poll_device_1(), deadline_change_(&sensor_state_lock_) {
-  if (total_sensor_count_ == -1) {
-    RegisterSensors();
-  }
-
-  // Create a pair of FDs that would be used to control the
-  // receiver thread.
-  if (control_sender_socket_->IsOpen() || control_receiver_socket_->IsOpen()) {
-    ALOGE("%s: Receiver control FDs are opened", __FUNCTION__);
-  }
-  if (!cvd::SharedFD::Pipe(&control_receiver_socket_,
-                           &control_sender_socket_)) {
-    ALOGE("%s: Unable to create thread control FDs: %d -> %s", __FUNCTION__,
-          errno, strerror(errno));
-  }
-
-  // Create the correct number of holding buffers for this client.
-  sensor_states_.resize(total_sensor_count_);
-  int i;
-  for (i = 0; i < total_sensor_count_; i++) {
-    sensor_states_[i] = new SensorState(sensor_infos_[i]);
-  }
-}
-
-GceSensors::~GceSensors() {
-  int i;
-  for (i = 0; i < total_sensor_count_; i++) {
-    delete sensor_states_[i];
-  }
-}
-
-int GceSensors::GetSensorsList(struct sensors_module_t* /*module*/,
-                               struct sensor_t const** list) {
-  *list = sensor_infos_;
-  return total_sensor_count_;
-}
-
-int GceSensors::SetOperationMode(unsigned int /* is_loopback_mode */) {
-  return -EINVAL;
-}
-
-int GceSensors::Open(const struct hw_module_t* module, const char* name,
-                     struct hw_device_t** device) {
-  int status = -EINVAL;
-
-  if (!strcmp(name, SENSORS_HARDWARE_POLL)) {
-    // Create a new GceSensors object and set all the fields/functions
-    // to their default values.
-    GceSensors* rval = new GceSensors;
-
-    rval->common.tag = HARDWARE_DEVICE_TAG;
-    rval->common.version = VSOC_SENSOR_DEVICE_VERSION;
-    rval->common.module = (struct hw_module_t*)module;
-    rval->common.close = cvd::thunk<hw_device_t, &GceSensors::Close>;
-
-    rval->poll = cvd::thunk<sensors_poll_device_t, &GceSensors::Poll>;
-    rval->activate = cvd::thunk<sensors_poll_device_t, &GceSensors::Activate>;
-    rval->setDelay = cvd::thunk<sensors_poll_device_t, &GceSensors::SetDelay>;
-
-    rval->batch = cvd::thunk<sensors_poll_device_1, &GceSensors::Batch>;
-    rval->flush = cvd::thunk<sensors_poll_device_1, &GceSensors::Flush>;
-    rval->inject_sensor_data =
-        cvd::thunk<sensors_poll_device_1, &GceSensors::InjectSensorData>;
-
-    // Spawn a thread to listen for incoming data from the remoter.
-    int err = pthread_create(
-        &rval->receiver_thread_, NULL,
-        cvd::thunk<void, &GceSensors::Receiver>,
-        rval);
-    if (err) {
-      ALOGE("GceSensors::%s: Unable to start receiver thread (%s)",
-            __FUNCTION__, strerror(err));
-    }
-
-    *device = &rval->common;
-    status = 0;
-  }
-  return status;
-}
-
-int GceSensors::Close() {
-  // Make certain the receiver thread wakes up.
-  SensorControlMessage msg;
-  msg.message_type = THREAD_STOP;
-  SendControlMessage(msg);
-  pthread_join(receiver_thread_, NULL);
-  delete this;
-  return 0;
-}
-
-int GceSensors::Activate(int handle, int enabled) {
-  if (handle < 0 || handle >= total_sensor_count_) {
-    ALOGE("GceSensors::%s: Bad handle %d", __FUNCTION__, handle);
-    return -1;
-  }
-
-  {
-    LockGuard<Mutex> guard(sensor_state_lock_);
-    // Update the report deadline, if changed.
-    if (enabled && !sensor_states_[handle]->enabled_) {
-      sensor_states_[handle]->deadline_ =
-          MonotonicTimePoint::Now() + sensor_states_[handle]->sampling_period_;
-    } else if (!enabled && sensor_states_[handle]->enabled_) {
-      sensor_states_[handle]->deadline_ = SensorState::kInfinity;
-    }
-    sensor_states_[handle]->enabled_ = enabled;
-    UpdateDeadline();
-  }
-
-  D("sensor_activate(): handle %d, enabled %d", handle, enabled);
-  if (!UpdateRemoterState(handle)) {
-    ALOGE("Failed to notify remoter about new sensor enable/disable.");
-  }
-  return 0;
-}
-
-int GceSensors::SetDelay(int handle, int64_t sampling_period_ns) {
-  if (handle < 0 || handle >= total_sensor_count_) {
-    ALOGE("GceSensors::%s: Bad handle %d", __FUNCTION__, handle);
-    return -1;
-  }
-  int64_t min_delay_ns = sensor_infos_[handle].minDelay * 1000;
-  if (sampling_period_ns < min_delay_ns) {
-    sampling_period_ns = min_delay_ns;
-  }
-
-  {
-    LockGuard<Mutex> guard(sensor_state_lock_);
-    sensor_states_[handle]->deadline_ -=
-        sensor_states_[handle]->sampling_period_;
-    sensor_states_[handle]->sampling_period_ = Nanoseconds(sampling_period_ns);
-    sensor_states_[handle]->deadline_ +=
-        sensor_states_[handle]->sampling_period_;
-    // If our sampling period has decreased, our deadline
-    // could have already passed. If so, report immediately, but not in the
-    // past.
-    MonotonicTimePoint now = MonotonicTimePoint::Now();
-    if (sensor_states_[handle]->deadline_ < now) {
-      sensor_states_[handle]->deadline_ = now;
-    }
-    UpdateDeadline();
-  }
-
-  D("sensor_set_delay(): handle %d, delay (ms) %" PRId64, handle,
-    Milliseconds(Nanoseconds(sampling_period_ns)).count());
-  if (!UpdateRemoterState(handle)) {
-    ALOGE("Failed to notify remoter about new sensor delay.");
-  }
-  return 0;
-}
-
-int GceSensors::Poll(sensors_event_t* data, int count_unsafe) {
-  if (count_unsafe <= 0) {
-    ALOGE("Framework polled with bad count (%d)", count_unsafe);
-    return -1;
-  }
-  size_t count = size_t(count_unsafe);
-
-  // Poll will block until 1 of 2 things happens:
-  //    1. The next deadline for some active sensor
-  //        occurs.
-  //    2. The next deadline changes (either because
-  //        a sensor was activated/deactivated or its
-  //        delay changed).
-  // In both cases, any sensors whose report deadlines
-  // have passed will report their data (or mock data),
-  // and poll will either return (if at least one deadline
-  // has passed), or repeat by blocking until the next deadline.
-  LockGuard<Mutex> guard(sensor_state_lock_);
-  current_deadline_ = UpdateDeadline();
-  // Sleep until we have something to report
-  while (!fifo_.size()) {
-    deadline_change_.WaitUntil(current_deadline_);
-    current_deadline_ = UpdateDeadline();
-  }
-  // Copy the events from the buffer
-  int num_copied = std::min(fifo_.size(), count);
-  FifoType::iterator first_uncopied = fifo_.begin() + num_copied;
-  std::copy(fifo_.begin(), first_uncopied, data);
-  fifo_.erase(fifo_.begin(), first_uncopied);
-  D("Reported %d sensor events. First: %d %f %f %f", num_copied, data->sensor,
-    data->data[0], data->data[1], data->data[2]);
-  return num_copied;
-}
-
-
-void *GceSensors::Receiver() {
-  // Initialize the server.
-  sensor_listener_socket_ = cvd::SharedFD::SocketSeqPacketServer(
-      gce_sensors_message::kSensorsHALSocketName, 0777);
-  if (!sensor_listener_socket_->IsOpen()) {
-    ALOGE("GceSensors::%s: Could not listen for sensor connections. (%s).",
-          __FUNCTION__, sensor_listener_socket_->StrError());
-    return NULL;
-  }
-  D("GceSensors::%s: Listening for sensor connections at %s", __FUNCTION__,
-    gce_sensors_message::kSensorsHALSocketName);
-  // Announce that we are ready for the remoter to connect.
-  if (!NotifyRemoter()) {
-    ALOGI("Failed to notify remoter that HAL is ready.");
-  } else {
-    ALOGI("Notified remoter that HAL is ready.");
-  }
-
-  typedef std::vector<cvd::SharedFD> FDVec;
-  FDVec connected;
-  // Listen for incoming sensor data and control messages
-  // from the HAL.
-  while (true) {
-    cvd::SharedFDSet fds;
-    for (FDVec::iterator it = connected.begin(); it != connected.end(); ++it) {
-      fds.Set(*it);
-    }
-    fds.Set(control_receiver_socket_);
-    // fds.Set(sensor_listener_socket_);
-    int res = cvd::Select(&fds, NULL, NULL, NULL);
-    if (res == -1) {
-      ALOGE("%s: select returned %d and failed %d -> %s", __FUNCTION__, res,
-            errno, strerror(errno));
-      break;
-    } else if (res == 0) {
-      ALOGE("%s: select timed out", __FUNCTION__);
-      break;
-    } else if (fds.IsSet(sensor_listener_socket_)) {
-      connected.push_back(cvd::SharedFD::Accept(*sensor_listener_socket_));
-      ALOGI("GceSensors::%s: new client connected", __FUNCTION__);
-    } else if (fds.IsSet(control_receiver_socket_)) {
-      // We received a control message.
-      SensorControlMessage msg;
-      int res =
-          control_receiver_socket_->Read(&msg, sizeof(SensorControlMessage));
-      if (res == -1) {
-        ALOGE("GceSensors::%s: Failed to receive control message.",
-              __FUNCTION__);
-      } else if (res == 0) {
-        ALOGE("GceSensors::%s: Control connection closed.", __FUNCTION__);
-      }
-      if (msg.message_type == SENSOR_STATE_UPDATE) {
-        // Forward the update to the remoter.
-        remoter_request_packet packet;
-        remoter_request_packet_init(&packet, kRemoterSensorState, 0);
-        {
-          LockGuard<Mutex> guard(sensor_state_lock_);
-          packet.params.sensor_state_params.type =
-              sensor_infos_[msg.sensor_handle].type;
-          packet.params.sensor_state_params.enabled =
-              sensor_states_[msg.sensor_handle]->enabled_;
-          packet.params.sensor_state_params.delay_ns =
-              sensor_states_[msg.sensor_handle]->sampling_period_.count();
-          packet.params.sensor_state_params.handle = msg.sensor_handle;
-        }
-        struct msghdr msg;
-        iovec msg_iov[1];
-        msg_iov[0].iov_base = &packet;
-        msg_iov[0].iov_len = sizeof(remoter_request_packet);
-        msg.msg_name = NULL;
-        msg.msg_namelen = 0;
-        msg.msg_iov = msg_iov;
-        msg.msg_iovlen = arraysize(msg_iov);
-        msg.msg_control = NULL;
-        msg.msg_controllen = 0;
-        msg.msg_flags = 0;
-
-        for (FDVec::iterator it = connected.begin(); it != connected.end();
-             ++it) {
-          cvd::SharedFD &fd = *it;
-          if (fd->SendMsg(&msg, 0) == -1) {
-            ALOGE("GceSensors::%s. Could not send sensor state (%s).",
-                  __FUNCTION__, fd->StrError());
-          }
-        }
-      }
-      if (msg.message_type == THREAD_STOP) {
-        D("Received terminate control message.");
-        return NULL;
-      }
-    } else {
-      for (FDVec::iterator it = connected.begin(); it != connected.end();
-           ++it) {
-        cvd::SharedFD &fd = *it;
-        if (fds.IsSet(fd)) {
-          // We received a sensor update from remoter.
-          sensors_event_t event;
-          struct msghdr msg;
-          iovec msg_iov[1];
-          msg_iov[0].iov_base = &event;
-          msg_iov[0].iov_len = sizeof(event);
-          msg.msg_name = NULL;
-          msg.msg_namelen = 0;
-          msg.msg_iov = msg_iov;
-          msg.msg_iovlen = arraysize(msg_iov);
-          msg.msg_control = NULL;
-          msg.msg_controllen = 0;
-          msg.msg_flags = 0;
-          int res = fd->RecvMsg(&msg, 0);
-          if (res <= 0) {
-            if (res == 0) {
-              ALOGE("GceSensors::%s: Sensors HAL connection closed.",
-                    __FUNCTION__);
-            } else {
-              ALOGE("GceSensors::%s: Failed to receive sensor message",
-                    __FUNCTION__);
-            }
-            connected.erase(std::find(connected.begin(), connected.end(), fd));
-            break;
-          }
-
-          // We received an event from the remoter.
-          if (event.sensor < 0 || event.sensor >= total_sensor_count_) {
-            ALOGE("Remoter sent us an invalid sensor event! (handle %d)",
-                  event.sensor);
-            connected.erase(std::find(connected.begin(), connected.end(), fd));
-            break;
-          }
-
-          D("Received sensor event: %d %f %f %f", event.sensor, event.data[0],
-            event.data[1], event.data[2]);
-
-          {
-            LockGuard<Mutex> guard(sensor_state_lock_);
-            // Increase the delay so that the HAL knows
-            // it shouldn't report on its own for a while.
-            SensorState *holding_buffer = sensor_states_[event.sensor];
-            int wait_periods =
-                std::max(kInjectedEventWaitPeriods,
-                         (int)(kInjectedEventWaitTime.count() /
-                               holding_buffer->sampling_period_.count()));
-            holding_buffer->deadline_ =
-                MonotonicTimePoint::Now() +
-                holding_buffer->sampling_period_ * wait_periods;
-            holding_buffer->event_.data[0] = event.data[0];
-            holding_buffer->event_.data[1] = event.data[1];
-            holding_buffer->event_.data[2] = event.data[2];
-            // Signal the HAL to report the newly arrived event.
-            fifo_.push_back(event);
-            deadline_change_.NotifyOne();
-          }
-        }
-      }
-    }
-  }
-  return NULL;
-}
-
-bool GceSensors::NotifyRemoter() {
-  remoter_request_packet packet;
-  remoter_request_packet_init(&packet, kRemoterHALReady, 0);
-  packet.send_response = 0;
-  strncpy(packet.params.hal_ready_params.unix_socket,
-          gce_sensors_message::kSensorsHALSocketName,
-          sizeof(packet.params.hal_ready_params.unix_socket));
-  AutoCloseFileDescriptor remoter_socket(remoter_connect());
-  if (remoter_socket.IsError()) {
-    D("GceSensors::%s: Could not connect to remoter to notify ready (%s).",
-      __FUNCTION__, strerror(errno));
-    return false;
-  }
-  int err =
-      remoter_do_single_request_with_socket(remoter_socket, &packet, NULL);
-  if (err == -1) {
-    D("GceSensors::%s: Notify remoter ready: Failed after connect (%s).",
-      __FUNCTION__, strerror(errno));
-    return false;
-  }
-  D("GceSensors::%s: Notify remoter ready Succeeded.", __FUNCTION__);
-  return true;
-}
-
-static bool CompareTimestamps(const sensors_event_t& a,
-                              const sensors_event_t& b) {
-  return a.timestamp < b.timestamp;
-}
-
-MonotonicTimePoint GceSensors::UpdateDeadline() {
-  // Get the minimum of all the current deadlines.
-  MonotonicTimePoint now = MonotonicTimePoint::Now();
-  MonotonicTimePoint min = SensorState::kInfinity;
-  int i = 0;
-  bool sort_fifo = false;
-
-  for (i = 0; i < total_sensor_count_; i++) {
-    SensorState* holding_buffer = sensor_states_[i];
-    // Ignore disabled sensors.
-    if (!holding_buffer->enabled_) {
-      continue;
-    }
-    while (holding_buffer->deadline_ < now) {
-      sensors_event_t data = holding_buffer->event_;
-      data.timestamp = holding_buffer->deadline_.SinceEpoch().count();
-      fifo_.push_back(data);
-      holding_buffer->deadline_ += holding_buffer->sampling_period_;
-      sort_fifo = true;
-    }
-    // Now check if we should update the wake time based on the next event
-    // from this sensor.
-    if (sensor_states_[i]->deadline_ < min) {
-      min = sensor_states_[i]->deadline_;
-    }
-  }
-  // We added one or more sensor readings, so do a sort.
-  // This is likely to be cheaper than a traditional priority queue because
-  // a priority queue would try to keep its state correct for each addition.
-  if (sort_fifo) {
-    std::sort(fifo_.begin(), fifo_.end(), CompareTimestamps);
-  }
-  // If we added events or the deadline is lower notify the thread in Poll().
-  // If the deadline went up, don't do anything.
-  if (fifo_.size() || (min < current_deadline_)) {
-    deadline_change_.NotifyOne();
-  }
-  return min;
-}
-
-bool GceSensors::UpdateRemoterState(int handle) {
-  SensorControlMessage msg;
-  msg.message_type = SENSOR_STATE_UPDATE;
-  msg.sensor_handle = handle;
-  return SendControlMessage(msg);
-}
-
-bool GceSensors::SendControlMessage(SensorControlMessage msg) {
-  if (!control_sender_socket_->IsOpen()) {
-    ALOGE("%s: Can't send control message %d, control socket not open.",
-          __FUNCTION__, msg.message_type);
-    return false;
-  }
-  if (control_sender_socket_->Write(&msg, sizeof(SensorControlMessage)) == -1) {
-    ALOGE("GceSensors::%s. Could not send control message %d (%s).",
-          __FUNCTION__, msg.message_type, control_sender_socket_->StrError());
-    return false;
-  }
-  return true;
-}
-
-int GceSensors::RegisterSensors() {
-  if (total_sensor_count_ != -1) {
-    return -1;
-  }
-  total_sensor_count_ = 9;
-  sensor_infos_ = new SensorInfo[total_sensor_count_];
-  sensor_infos_[sensors_constants::kAccelerometerHandle] =
-      AccelerometerSensor();
-  sensor_infos_[sensors_constants::kGyroscopeHandle] = GyroscopeSensor();
-  sensor_infos_[sensors_constants::kLightHandle] = LightSensor();
-  sensor_infos_[sensors_constants::kMagneticFieldHandle] =
-      MagneticFieldSensor();
-  sensor_infos_[sensors_constants::kPressureHandle] = PressureSensor();
-  sensor_infos_[sensors_constants::kProximityHandle] = ProximitySensor();
-  sensor_infos_[sensors_constants::kAmbientTempHandle] = AmbientTempSensor();
-  sensor_infos_[sensors_constants::kDeviceTempHandle] = DeviceTempSensor();
-  sensor_infos_[sensors_constants::kRelativeHumidityHandle] =
-      RelativeHumiditySensor();
-  int i;
-  for (i = 0; i < total_sensor_count_; i++) {
-    D("Found sensor %s with handle %d", sensor_infos_[i].name,
-      sensor_infos_[i].handle);
-  }
-  return total_sensor_count_;
-}
-
-}  // namespace cvd
diff --git a/guest/hals/sensors/vsoc_sensors.h b/guest/hals/sensors/vsoc_sensors.h
deleted file mode 100644
index c4e9718..0000000
--- a/guest/hals/sensors/vsoc_sensors.h
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <vector>
-
-#include "common/libs/threads/cuttlefish_thread.h"
-#include "common/libs/fs/shared_fd.h"
-#include "guest/hals/sensors/sensors.h"
-#include "guest/hals/sensors/sensors_hal.h"
-
-namespace cvd {
-
-// Used for sending control messages to the receiver thread.
-// The sensor_handle field may be left unused if it is not needed.
-enum ControlMessageType {
-  THREAD_STOP,
-  SENSOR_STATE_UPDATE
-};
-typedef struct {
-  ControlMessageType message_type;
-  uint8_t sensor_handle;
-} SensorControlMessage;
-
-// Last updated to HAL 1.4
-// Version history:
-//   Before jb, jb-mr1 SENSORS_DEVICE_API_VERSION_0_1 (no version in sensors.h)
-//   jb-mr2: SENSORS_DEVICE_API_VERSION_1_0
-//   k: SENSORS_DEVICE_API_VERSION_1_1
-//   l, l-mr1: SENSORS_DEVICE_API_VERSION_1_3
-//   m, n, n-mr1: SENSORS_DEVICE_API_VERSION_1_4
-
-class GceSensors : public sensors_poll_device_1 {
- public:
-  GceSensors();
-  ~GceSensors();
-
-  /**
-   ** SENSOR HAL API FUNCTIONS FOR MODULE
-   **/
-
-  // Gets a list of all supported sensors and stores in list.
-  // Returns the number of supported sensors.
-  static int GetSensorsList(struct sensors_module_t* module,
-    struct sensor_t const** list);
-
-  // Place the module in a specific mode. The following modes are defined
-  //
-  //  0 - Normal operation. Default state of the module.
-  //  1 - Loopback mode. Data is injected for the supported
-  //      sensors by the sensor service in this mode.
-  // @return 0 on success
-  //         -EINVAL if requested mode is not supported
-  //         -EPERM if operation is not allowed
-  static int SetOperationMode(unsigned int mode);
-
-
-  /**
-   ** SENSOR HAL API FUNCTIONS FOR DEVICE
-   **/
-  // Opens the device.
-  static int Open(const struct hw_module_t* module, const char* name,
-    struct hw_device_t** device);
-
-  // Closes the device, closing all sensors.
-  int Close();
-
-  // Activate (or deactivate) the sensor with the given handle.
-  //
-  // One-shot sensors deactivate themselves automatically upon receiving an
-  // event, and they must still accept to be deactivated through a call to
-  // activate(..., enabled=0).
-  // Non-wake-up sensors never prevent the SoC from going into suspend mode;
-  // that is, the HAL shall not hold a partial wake-lock on behalf of
-  // applications.
-  //
-  // If enabled is 1 and the sensor is already activated, this function is a
-  // no-op and succeeds.
-  //
-  // If enabled is 0 and the sensor is already deactivated, this function is a
-  // no-op and succeeds.
-  //
-  // This function returns 0 on success and a negative error number otherwise.
-  int Activate(int handle, int enabled);
-
-  // Sets the delay (in ns) for the sensor with the given handle.
-  // Deprecated as of HAL 1.1
-  // Called after activate()
-  int SetDelay(int handle, int64_t sampling_period_ns);
-
-  // Returns an array of sensor data by filling the data argument.
-  // This function must block until events are available. It will return
-  // the number of events read on success, or a negative number in case of
-  // an error.
-  int Poll(sensors_event_t* data, int count);
-
-  // Sets a sensor’s parameters, including sampling frequency and maximum
-  // report latency. This function can be called while the sensor is
-  // activated, in which case it must not cause any sensor measurements to
-  // be lost: transitioning from one sampling rate to the other cannot cause
-  // lost events, nor can transitioning from a high maximum report latency to
-  // a low maximum report latency.
-  //
-  // Before SENSORS_DEVICE_API_VERSION_1_3, flags included:
-  //   SENSORS_BATCH_DRY_RUN
-  //   SENSORS_BATCH_WAKE_UPON_FIFO_FULL
-  //
-  // After SENSORS_DEVICE_API_VERSION_1_3 see WAKE_UPON_FIFO_FULL
-  // in sensor_t.flags
-  int Batch(int sensor_handle, int flags, int64_t sampling_period_ns,
-            int64_t max_report_latency_ns) {
-    // TODO: Add support for maximum report latency with max_report_latency_ns.
-    return SetDelay(sensor_handle, sampling_period_ns);
-  }
-
-  // Adds a META_DATA_FLUSH_COMPLETE event (sensors_event_meta_data_t)
-  // to the end of the "batch mode" FIFO for the specified sensor and flushes
-  // the FIFO.
-  //
-  // If the FIFO is empty or if the sensor doesn't support batching (FIFO
-  // size zero), it should return SUCCESS along with a trivial
-  // META_DATA_FLUSH_COMPLETE event added to the event stream. This applies to
-  // all sensors other than one-shot sensors.
-  //
-  // If the sensor is a one-shot sensor, flush must return -EINVAL and not
-  // generate any flush complete metadata.
-  //
-  // If the sensor is not active at the time flush() is called, flush() should
-  // return -EINVAL.
-  int Flush(int sensor_handle) {
-    return -EINVAL;
-  }
-
-  // Inject a single sensor sample to be to this device.
-  // data points to the sensor event to be injected
-  // @return 0 on success
-  //  -EPERM if operation is not allowed
-  //  -EINVAL if sensor event cannot be injected
-  int InjectSensorData(const sensors_event_t *data) {
-    return -EINVAL;
-  }
-
- private:
-  typedef std::vector<SensorState*> SensorStateVector;
-  typedef std::vector<sensors_event_t> FifoType;
-  // Total number of sensors supported by this HAL.
-  static int total_sensor_count_;
-  // Vector of static sensor information for sensors supported by this HAL.
-  // Indexed by the handle. Length must always be equal to total_sensor_count_.
-  static SensorInfo* sensor_infos_;
-  // Vector of sensor state information, indexed by the handle.
-  // Assumption here is that the sensor handles will start at 0 and be
-  // contiguous up to the number of supported sensors.
-  SensorStateVector sensor_states_;
-  // Keep track of the time when the thread in Poll() is scheduled to wake.
-  cvd::time::MonotonicTimePoint current_deadline_;
-
-  // Ordered set of sensor values.
-  // TODO(ghartman): Simulate FIFO overflow.
-  FifoType fifo_;
-  // Thread to handle new connections.
-  pthread_t receiver_thread_;
-  // Socket to receive sensor events on.
-  cvd::SharedFD sensor_listener_socket_;
-  // Socket for listener thread to receive control messages.
-  cvd::SharedFD control_receiver_socket_;
-  // Socket to send control messages to listener thread.
-  cvd::SharedFD control_sender_socket_;
-
-  // Lock to protect shared state, including
-  // sensor_states_ and next_deadline_.
-  // Associated with deadline_change_ condition variable.
-  cvd::Mutex sensor_state_lock_;
-  // Condition variable to signal changes in the deadline.
-  cvd::ConditionVariable deadline_change_;
-
-  // When events are arriving from a client, we report only
-  // when they arrive, rather than at a fixed cycle. After not
-  // receiving a real event for both a given number of periods
-  // and a given time period, we will give up and resume
-  // sending mock events.
-  const static int kInjectedEventWaitPeriods;
-  const static cvd::time::Nanoseconds kInjectedEventWaitTime;
-
-  /**
-   ** UTILITY FUNCTIONS
-   **/
-
-  // Receive data from remoter.
-  void* Receiver();
-
-  // Notifies the remoter that the HAL is awake and ready.
-  inline bool NotifyRemoter();
-
-  // Looks through all active sensor deadlines, and finds the one that
-  // is coming up next. If this is not next_deadline_, then the deadline
-  // has changed. Update it and signal the Poll thread.
-  // This should be called anytime the next deadline may have changed.
-  // Can only be called while holding sensor_state_lock_.
-  // Returns true if the deadline has changed.
-  cvd::time::MonotonicTimePoint UpdateDeadline();
-
-  // Sends an update for the sensor with the given handle to the remoter.
-  // Update will be enqueued for receiver, not send immediately.
-  inline bool UpdateRemoterState(int handle);
-
-  // Sends a control event to the listener.
-  inline bool SendControlMessage(SensorControlMessage msg);
-
-  // Populates the list of static sensor info. Returns the number
-  // of sensors supported. Should only be called once.
-  static inline int RegisterSensors();
-
-};
-
-} //namespace cvd
-
diff --git a/guest/hals/sensors/vsoc_sensors_message.cpp b/guest/hals/sensors/vsoc_sensors_message.cpp
deleted file mode 100644
index 1998762..0000000
--- a/guest/hals/sensors/vsoc_sensors_message.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <stdlib.h>
-#include "guest/hals/sensors/vsoc_sensors_message.h"
-
-const char* gce_sensors_message::kSensorsHALSocketName =
-    "/var/run/system/sensors_hal_socket";
diff --git a/guest/hals/sensors/vsoc_sensors_message.h b/guest/hals/sensors/vsoc_sensors_message.h
deleted file mode 100644
index 3a57700..0000000
--- a/guest/hals/sensors/vsoc_sensors_message.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <hardware/hardware.h>
-#include <hardware/sensors.h>
-
-struct gce_sensors_message : sensors_event_t {
-  static const char* kSensorsHALSocketName;
-};
-