universal7885: parts-hidl: Refactor code and impl smartcharge

universal7885-common/hidl-packages/parts/hardware/parts/1.0/Android.bp

@@ -7,6 +7,7 @@ hidl_interface {
         "IFlashBrightness.hal",
         "IDisplayConfigs.hal",
         "ISwapOnData.hal",
+	"ISmartCharge.hal"
     ],
     interfaces: ["android.hidl.base@1.0"],
     gen_java: false,

universal7885-common/hidl-packages/parts/hardware/parts/1.0/IBatteryStats.hal

@@ -15,6 +15,6 @@
 package vendor.eureka.hardware.parts@1.0;
 
 interface IBatteryStats {
-	getBatteryStats(SysfsType stats) generates (int32_t result);
-	setBatteryWritable(SysfsType stats, Number value);
+	getBatteryStats(BatterySys stats) generates (int32_t result);
+	setBatteryWritable(BatterySys stats, Status value);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/IDisplayConfigs.hal

@@ -15,5 +15,5 @@
 package vendor.eureka.hardware.parts@1.0;
 
 interface IDisplayConfigs {
-	writeDisplay(Number enable, Display type);
+	writeDisplay(Status enable, DisplaySys type);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/IFlashBrightness.hal

@@ -15,7 +15,7 @@
 package vendor.eureka.hardware.parts@1.0;
 
 interface IFlashBrightness {
-	setFlashlightWritable(Value value);
-	setFlashlightEnable(Number enable);
-	readFlashlightstats(Device device) generates (int32_t value);
+	setFlashlightWritable(int32_t value);
+	setFlashlightEnable(Status enable);
+	readFlashlightstats(bool s2mu106) generates (int32_t value);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/ISmartCharge.hal

@@ -0,0 +1,23 @@
+// Copyright (C) 2021 Eureka Team
+//
+// 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.
+
+package vendor.eureka.hardware.parts@1.0;
+
+interface ISmartCharge {
+	start();
+	stop();
+	setConfig(int32_t limit, int32_t restart);
+	getLimitCnt() generates (int32_t cnt);
+	getRestartCnt() generates (int32_t cnt);
+};

universal7885-common/hidl-packages/parts/hardware/parts/1.0/ISwapOnData.hal

@@ -18,4 +18,7 @@ interface ISwapOnData {
 	setSwapSize(int32_t size /* Size in megabytes */);
 	setSwapOn();
 	setSwapOff();
+	removeSwapFile();
+	getSwapOnResult() generates (bool result);
+	isMutexLocked() generates (bool islocked);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Android.bp

@@ -9,8 +9,11 @@ cc_binary {
         "Display.cpp",
         "Swap.cpp",
         "SwapHelpers.cpp",
+	"SmartChargingImpl.cpp",
+	"SmartCharge.cpp",
         "service.cpp",
     ],
+    cflags: ["-Wno-thread-safety-negative"],
     shared_libs: [
         "libhidlbase",
         "libutils",

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Battery.cpp

@@ -17,95 +17,58 @@
 #include <iostream>
 #include <sstream>
 #include <unistd.h>
+#include "CachedClass.h"
+#include "BatteryConstants.h"
 
 namespace vendor::eureka::hardware::parts::V1_0 {
 
+static BatteryStats *kCached = nullptr;
+
+static inline const char* BatterySysToPath (parts::V1_0::BatterySys type) {
+	switch (type) {
+		case BatterySys::CAPACITY_MAX:
+			return BATTERY_CAPACITY_MAX;
+		case BatterySys::TEMP:
+			return BATTERY_TEMP;
+		case BatterySys::CAPACITY_CURRENT:
+			return BATTERY_CAPACITY_CURRENT;
+		case BatterySys::CURRENT:
+			return BATTERY_CURRENT;
+		case BatterySys::FASTCHARGE:
+			return BATTERY_FASTCHARGE;
+		case BatterySys::CHARGE:
+			return BATTERY_CHARGE;
+		default:
+			return "";
+	}
+}
+
 // Methods from ::android::hardware::battery::V1_0::IBattery follow.
-Return<int32_t> BatteryStats::getBatteryStats(parts::V1_0::SysfsType stats) {
+Return<int32_t> BatteryStats::getBatteryStats(parts::V1_0::BatterySys stats) {
   std::ifstream file;
-  std::string filename;
-  switch (stats) {
-  case SysfsType::CAPACITY_MAX:
-    filename = "/sys/devices/platform/battery/power_supply/battery/charge_full";
-    break;
-  case SysfsType::TEMP:
-    filename = "/sys/devices/platform/battery/power_supply/battery/batt_temp";
-    break;
-  case SysfsType::CAPACITY_CURRENT:
-    filename = "/sys/devices/platform/battery/power_supply/battery/capacity";
-    break;
-  case SysfsType::CURRENT:
-    filename = "/sys/devices/platform/battery/power_supply/battery/current_now";
-    break;
-  case SysfsType::FASTCHARGE:
-    filename = "/sys/class/sec/switch/afc_disable";
-    break;
-  case SysfsType::CHARGE:
-    filename =
-        "/sys/devices/platform/battery/power_supply/battery/batt_slate_mode";
-    break;
-  default:
-    filename = "";
-    break;
-  }
   std::string value;
-  int32_t intvalue;
-  file.open(filename);
+  file.open(BatterySysToPath(stats));
   if (file.is_open()) {
     getline(file, value);
     file.close();
-    std::stringstream val(value);
-    val >> intvalue;
-    return intvalue;
+    return stoi(value);
   }
   return -1;
 }
 
-Return<void> BatteryStats::setBatteryWritable(parts::V1_0::SysfsType stats,
-                                              parts::V1_0::Number value) {
+Return<void> BatteryStats::setBatteryWritable(parts::V1_0::BatterySys stats,
+                                              parts::V1_0::Status value) {
   std::ofstream file;
-  std::string filename;
   bool FastCharge = false;
-  switch (stats) {
-  case SysfsType::CAPACITY_MAX:
-    filename = "/sys/devices/platform/battery/power_supply/battery/charge_full";
-    break;
-  case SysfsType::TEMP:
-    filename = "/sys/devices/platform/battery/power_supply/battery/batt_temp";
-    break;
-  case SysfsType::CAPACITY_CURRENT:
-    filename = "/sys/devices/platform/battery/power_supply/battery/capacity";
-    break;
-  case SysfsType::CURRENT:
-    filename = "/sys/devices/platform/battery/power_supply/battery/current_now";
-    break;
-  case SysfsType::FASTCHARGE:
-    filename = "/sys/class/sec/switch/afc_disable";
-    FastCharge = true;
-    break;
-  case SysfsType::CHARGE:
-    filename =
-        "/sys/devices/platform/battery/power_supply/battery/batt_slate_mode";
-    break;
-  default:
-    filename = "";
-    break;
-  }
   if (FastCharge)
     seteuid(ANDROID_SYSTEM_UID);
-  file.open(filename);
-  int write;
-  if (value == Number::ENABLE) {
-    write = 1;
-  } else {
-    write = 0;
-  }
-  file << write;
+  file.open(BatterySysToPath(stats));
+  file << static_cast<int32_t>(value);
   file.close();
   if (FastCharge)
     seteuid(ANDROID_ROOT_UID);
   return Void();
 }
 
-IBatteryStats *BatteryStats::getInstance(void) { return new BatteryStats(); }
+IBatteryStats *BatteryStats::getInstance(void) { USE_CACHED(kCached); }
 } // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Battery.h

@@ -24,17 +24,13 @@
 namespace vendor::eureka::hardware::parts::V1_0 {
 
 using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 
 struct BatteryStats : public IBatteryStats {
   // Methods from ::vendor::eureka::hardware::parts::V1_0::IBatteryStats follow.
-  Return<int32_t> getBatteryStats(SysfsType stats) override;
-  Return<void> setBatteryWritable(SysfsType stats, Number value) override;
+  Return<int32_t> getBatteryStats(BatterySys stats) override;
+  Return<void> setBatteryWritable(BatterySys stats, Status value) override;
 
   // Methods from ::android::hidl::base::V1_0::IBase follow.
   static IBatteryStats *getInstance(void);

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/BatteryConstants.h

@@ -0,0 +1,8 @@
+#pragma once
+
+constexpr const char* BATTERY_CAPACITY_MAX = "/sys/devices/platform/battery/power_supply/battery/charge_full";
+constexpr const char* BATTERY_TEMP = "/sys/devices/platform/battery/power_supply/battery/batt_temp";
+constexpr const char* BATTERY_CAPACITY_CURRENT = "/sys/devices/platform/battery/power_supply/battery/capacity";
+constexpr const char* BATTERY_CURRENT = "/sys/devices/platform/battery/power_supply/battery/current_now";
+constexpr const char* BATTERY_FASTCHARGE = "/sys/class/sec/switch/afc_disable";
+constexpr const char* BATTERY_CHARGE = "/sys/devices/platform/battery/power_supply/battery/batt_slate_mode";

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/CachedClass.h

@@ -0,0 +1,14 @@
+template <class C>
+static inline C *cachedClass(C* cached) {
+	if (cached != nullptr) {
+		return cached;
+	}
+	cached = new C();
+	return cached;
+}
+
+#define USE_CACHED(cache) 		\
+({					\
+ 	return cachedClass((cache));	\
+})
+

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Display.cpp

@@ -16,19 +16,23 @@
 #include <fstream>
 #include <iostream>
 #include <sstream>
+#include "CachedClass.h"
+
 namespace vendor::eureka::hardware::parts::V1_0 {
 
-Return<void> DisplayConfigs::writeDisplay(parts::V1_0::Number enable,
-                                          parts::V1_0::Display type) {
+static DisplayConfigs *kCached;
+
+Return<void> DisplayConfigs::writeDisplay(parts::V1_0::Status enable,
+                                          parts::V1_0::DisplaySys type) {
   std::ofstream file;
   std::string writevalue;
-  if (type == Display::DOUBLE_TAP) {
+  if (type == DisplaySys::DOUBLE_TAP) {
     writevalue = "aot_enable";
-  } else if (type == Display::GLOVE_MODE) {
+  } else if (type == DisplaySys::GLOVE_MODE) {
     writevalue = "glove_mode";
   }
   writevalue += ",";
-  if (enable == Number::ENABLE) {
+  if (enable == Status::ENABLE) {
     writevalue += "1";
   } else {
     writevalue += "0";
@@ -40,6 +44,6 @@ Return<void> DisplayConfigs::writeDisplay(parts::V1_0::Number enable,
 }
 
 IDisplayConfigs *DisplayConfigs::getInstance(void) {
-  return new DisplayConfigs();
+  USE_CACHED(kCached);
 }
 } // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Display.h

@@ -21,17 +21,13 @@
 namespace vendor::eureka::hardware::parts::V1_0 {
 
 using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 
 struct DisplayConfigs : public IDisplayConfigs {
   // Methods from ::vendor::eureka::hardware::parts::V1_0::IDisplayConfigs
   // follow.
-  Return<void> writeDisplay(Number enable, Display type);
+  Return<void> writeDisplay(Status enable, DisplaySys type);
   // Methods from ::android::hidl::base::V1_0::IBase follow.
   static IDisplayConfigs *getInstance(void);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/FlashLight.cpp

@@ -16,17 +16,21 @@
 #include <fstream>
 #include <iostream>
 #include <sstream>
+#include "CachedClass.h"
+
 namespace vendor::eureka::hardware::parts::V1_0 {
 
+static FlashBrightness *kCached;
+
 // Methods from ::android::hardware::parts::V1_0::IFlashLight follow.
-Return<void> FlashBrightness::setFlashlightEnable(parts::V1_0::Number enable) {
+Return<void> FlashBrightness::setFlashlightEnable(parts::V1_0::Status enable) {
   std::ofstream file;
   std::string writevalue;
   switch (enable) {
-  case Number::ENABLE:
+  case Status::ENABLE:
     writevalue = "1";
     break;
-  case Number::DISABLE:
+  case Status::DISABLE:
     writevalue = "0";
     break;
   default:
@@ -39,38 +43,32 @@ Return<void> FlashBrightness::setFlashlightEnable(parts::V1_0::Number enable) {
   return Void();
 }
 
-Return<void> FlashBrightness::setFlashlightWritable(parts::V1_0::Value value) {
+Return<void> FlashBrightness::setFlashlightWritable(int32_t value) {
   std::ofstream file;
-  std::string writevalue = std::to_string((int)value);
+  std::string writevalue = std::to_string(value);
   file.open("/sys/class/camera/flash/torch_brightness_lvl");
   file << writevalue;
   file.close();
   return Void();
 }
 
-Return<int32_t>
-FlashBrightness::readFlashlightstats(parts::V1_0::Device device) {
+Return<int32_t> FlashBrightness::readFlashlightstats(bool s2mu106) {
   std::ifstream file;
   std::string value;
-  int32_t intvalue;
   file.open("/sys/class/camera/flash/torch_brightness_lvl");
   if (file.is_open()) {
     getline(file, value);
     file.close();
-    std::stringstream val(value);
-    val >> intvalue;
-    if (device == Device::A10) {
-      return intvalue;
-    } else if (device == Device::NOTA10) {
-      return intvalue / 21;
+    if (s2mu106) {
+      return stoi(value);
+    } else {
+      return stoi(value) / 21;
     }
-    // Never Here
-    return -1;
   }
   return -1;
 }
 
 IFlashBrightness *FlashBrightness::getInstance(void) {
-  return new FlashBrightness();
+  USE_CACHED(kCached);
 }
 } // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/FlashLight.h

@@ -21,19 +21,15 @@
 namespace vendor::eureka::hardware::parts::V1_0 {
 
 using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 
 struct FlashBrightness : public IFlashBrightness {
   // Methods from ::vendor::eureka::hardware::parts::V1_0::IFlashBrightness
   // follow.
-  Return<void> setFlashlightEnable(Number enable);
-  Return<void> setFlashlightWritable(Value value);
-  Return<int32_t> readFlashlightstats(Device device);
+  Return<void> setFlashlightEnable(Status enable);
+  Return<void> setFlashlightWritable(int32_t value);
+  Return<int32_t> readFlashlightstats(bool s2mu106);
   // Methods from ::android::hidl::base::V1_0::IBase follow.
   static IFlashBrightness *getInstance(void);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/SmartCharge.cpp

@@ -0,0 +1,69 @@
+// Copyright (C) 2021 Eureka Team
+//
+// 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 "SmartCharge.h"
+#include "SmartChargingImpl.h"
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include "CachedClass.h"
+
+namespace vendor::eureka::hardware::parts::V1_0 {
+
+static SmartCharge *kCached;
+static SmartChargeImpl *kInst = nullptr;
+
+static int limit = 0;
+static int restart = 0;
+
+static int limit_stat = 0;
+static int restart_stat = 0;
+
+Return<void> SmartCharge::start(void) {
+  if (limit == 0 || restart == 0)
+    return Void();
+  kInst = new SmartChargeImpl(limit, restart);
+  kInst->start();
+  return Void();
+}
+
+Return<void> SmartCharge::stop(void) {
+  if (kInst != nullptr) {
+    kInst->stop();
+    limit_stat += kInst->charge_limit_cnt;
+    restart_stat += kInst->restart_cnt;
+    delete kInst;
+    kInst = nullptr;
+  }
+  return Void();
+}
+
+Return<void> SmartCharge::setConfig(int32_t limit_user, int32_t restart_user) {
+  limit = limit_user;
+  restart = restart_user;
+  return Void();
+}
+
+Return<int32_t> SmartCharge::getLimitCnt(void) {
+  return limit_stat;
+}
+
+Return<int32_t> SmartCharge::getRestartCnt(void) {
+  return restart_stat;
+}
+
+ISmartCharge *SmartCharge::getInstance(void) {
+  USE_CACHED(kCached);
+}
+} // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/SmartCharge.h

@@ -0,0 +1,38 @@
+// Copyright (C) 2021 Eureka Team
+//
+// 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 <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <vendor/eureka/hardware/parts/1.0/ISmartCharge.h>
+
+namespace vendor::eureka::hardware::parts::V1_0 {
+
+using ::android::sp;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+struct SmartCharge : public ISmartCharge {
+  // Methods from ::vendor::eureka::hardware::parts::V1_0::ISmartCharge
+  // follow.
+  Return<void> start(void);
+  Return<void> stop(void);
+  Return<void> setConfig(int32_t limit, int32_t restart);
+  Return<int32_t> getLimitCnt(void);
+  Return<int32_t> getRestartCnt(void);
+  // Methods from ::android::hidl::base::V1_0::IBase follow.
+  static ISmartCharge *getInstance(void);
+};
+} // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/SmartChargingImpl.cpp

@@ -0,0 +1,41 @@
+#include "SmartChargingImpl.h"
+#include <thread>
+#include <chrono>
+
+namespace vendor::eureka::hardware::parts::V1_0 {
+
+static std::thread *monitor;
+static bool shouldRun = false;
+
+SmartChargeImpl::SmartChargeImpl(int limit, int restart) : limit_percent(limit), restart_percent(restart) {
+	charge_limit_cnt = 0;
+	restart_cnt = 0;
+}
+
+static void battery_monitor(const int limit_percent, const int restart_percent, 
+		int *charge_limit_cnt, int *restart_cnt) {
+	while (shouldRun) {
+		auto batt = stoi(readFile(BATTERY_CAPACITY_CURRENT));
+		if (batt >= limit_percent) {
+			disableSysfs(BATTERY_CHARGE);
+			*charge_limit_cnt += 1;
+		} else if (batt <= restart_percent) {
+			enableSysfs(BATTERY_CHARGE);
+			*restart_cnt += 1;
+		}
+		std::this_thread::sleep_for(std::chrono::seconds(5));
+	}
+}
+
+void SmartChargeImpl::start(void) {
+	shouldRun = true;
+	monitor = new std::thread(battery_monitor, limit_percent, 
+			restart_percent, &charge_limit_cnt, &restart_cnt);
+	monitor->join();
+}
+
+void SmartChargeImpl::stop(void) {
+	shouldRun = false;
+	monitor = nullptr;
+}
+}

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/SmartChargingImpl.h

@@ -0,0 +1,53 @@
+#include "BatteryConstants.h"
+
+#include <iostream>
+#include <fstream>
+
+namespace vendor::eureka::hardware::parts::V1_0 {
+
+class SmartChargeImpl {
+public:
+	SmartChargeImpl(int limit, int restart);
+	void start(void);
+	void stop(void);
+	
+	int charge_limit_cnt;
+	int restart_cnt;
+private:
+	const int limit_percent;
+	const int restart_percent;
+};
+
+}
+
+static inline void disableSysfs(const char* path) {
+	const std::string pathcpp = std::string(path);
+	std::ofstream file;
+	file.open(pathcpp);
+	if (file.is_open()) {
+		file << 0;
+		file.close();
+	}
+}
+
+static inline void enableSysfs(const char* path) {
+	const std::string pathcpp = std::string(path);
+	std::ofstream file;
+	file.open(pathcpp);
+	if (file.is_open()) {
+		file << 1;
+		file.close();
+	}
+}
+
+static inline std::string readFile(const char* path) {
+	const std::string pathcpp = std::string(path);
+	std::ifstream file;
+	file.open(pathcpp);
+	std::string result;
+	if (file.is_open()) {
+		getline(file, result);
+		file.close();
+	}
+	return result;
+}

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Swap.cpp

@@ -16,33 +16,69 @@
 #include <fstream>
 #include <iostream>
 #include <sys/swap.h>
-#include <stdio.h>
+#include <unistd.h>
+#include <mutex>
+#include <thread>
+#include "CachedClass.h"
 
 static int mSwapSize = 100;
-extern int mkswap (std::string filename);
-extern void mkfile(int filesize, std::string name);
+extern int mkswap (const char *filename);
+extern void mkfile(int filesize, const char *name);
 
-static std::string SWAP_PATH = "/data/swap/swapfile";
+constexpr const char* SWAP_PATH = "/data/swap/swapfile";
 
 namespace vendor::eureka::hardware::parts::V1_0 {
 
+static SwapOnData *kCached = nullptr;
+
+static std::mutex thread_lock;
+
+static bool swapOnRes = false;
+
 Return<void> SwapOnData::setSwapSize(int32_t size) {
   mSwapSize = size;
   return Void();
 }
 
-Return<void> SwapOnData::setSwapOn() {
-  mkfile(mSwapSize * 10, SWAP_PATH);
-  mkswap(SWAP_PATH);
-  swapon(SWAP_PATH.c_str(), (10 << SWAP_FLAG_PRIO_SHIFT) & SWAP_FLAG_PRIO_MASK);
+Return<void> SwapOnData::removeSwapFile(void) {
+  const std::lock_guard<std::mutex> lock(thread_lock);
+  std::remove(SWAP_PATH);
   return Void();
 }
 
+static void mkfile_swapon_thread(void) {
+  const std::lock_guard<std::mutex> lock(thread_lock);
+  if (access(SWAP_PATH, F_OK) == 0) {
+    mkfile(mSwapSize * 10, SWAP_PATH);
+    mkswap(SWAP_PATH);
+  }
+  int res = swapon(SWAP_PATH, (10 << SWAP_FLAG_PRIO_SHIFT) & SWAP_FLAG_PRIO_MASK);
+  swapOnRes = res == 0;
+}
+
+Return<void> SwapOnData::setSwapOn() {
+  const std::lock_guard<std::mutex> lock(thread_lock);
+  std::thread mkswapfile(mkfile_swapon_thread);
+  mkswapfile.join();
+  return Void();
+}
+
+static void swapoff_thread(void) {
+  const std::lock_guard<std::mutex> lock(thread_lock);
+  swapoff(SWAP_PATH);
+}
+
 Return<void> SwapOnData::setSwapOff() {
-  swapoff(SWAP_PATH.c_str());
-  remove(SWAP_PATH.c_str());
+  std::thread swapoff(swapoff_thread);
+  swapoff.join();
   return Void();
 }
+Return<bool> SwapOnData::getSwapOnResult(void) { return swapOnRes; }
+
+Return<bool> SwapOnData::isMutexLocked() { return !thread_lock.try_lock(); }
+
+ISwapOnData *SwapOnData::getInstance(void) { 
+  USE_CACHED(kCached);
+}
 
-ISwapOnData *SwapOnData::getInstance(void) { return new SwapOnData(); }
 } // namespace vendor::eureka::hardware::parts::V1_0

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/Swap.h

@@ -21,10 +21,6 @@
 namespace vendor::eureka::hardware::parts::V1_0 {
 
 using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 
@@ -32,8 +28,11 @@ struct SwapOnData : public ISwapOnData {
   // Methods from ::vendor::eureka::hardware::parts::V1_0::ISwapOnData
   // follow.
   Return<void> setSwapSize(int32_t size);
-  Return<void> setSwapOn();
-  Return<void> setSwapOff();
+  Return<void> setSwapOn(void);
+  Return<void> removeSwapFile(void);
+  Return<void> setSwapOff(void);
+  Return<bool> getSwapOnResult(void);
+  Return<bool> isMutexLocked(void);
   // Methods from ::android::hidl::base::V2_0::IBase follow.
   static ISwapOnData *getInstance(void);
 };

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/SwapHelpers.cpp

@@ -20,9 +20,9 @@ struct linux_swap_header {
   u_int32_t padding[117];
   u_int32_t badpages[1];
 };
-void mkfile(int filesize, std::string name){
+void mkfile(int filesize, const char* path){
     std::vector<char> empty(1024, 0);
-    std::ofstream ofs(name, std::ios::binary | std::ios::out);
+    std::ofstream ofs(std::string(path), std::ios::binary | std::ios::out);
 
     for(int i = 0; i < 1024 * filesize; i++)
     {
@@ -32,14 +32,14 @@ void mkfile(int filesize, std::string name){
 #define MAGIC_SWAP_HEADER "SWAPSPACE2"
 #define MAGIC_SWAP_HEADER_LEN 10
 #define MIN_PAGES 10
-int mkswap(std::string filename) {
+int mkswap(const char* filename) {
   int err = 0;
   int fd;
   ssize_t len;
   off_t swap_size;
   int pagesize;
   struct linux_swap_header sw_hdr;
-  fd = open(filename.c_str(), O_WRONLY | O_CLOEXEC);
+  fd = open(filename, O_WRONLY | O_CLOEXEC);
   if (fd < 0) {
     err = errno;
     return err;

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/service.cpp

@@ -19,11 +19,13 @@
 #include <vendor/eureka/hardware/parts/1.0/IDisplayConfigs.h>
 #include <vendor/eureka/hardware/parts/1.0/IFlashBrightness.h>
 #include <vendor/eureka/hardware/parts/1.0/ISwapOnData.h>
+#include <vendor/eureka/hardware/parts/1.0/ISmartCharge.h>
 
 #include "Battery.h"
 #include "Display.h"
 #include "FlashLight.h"
 #include "Swap.h"
+#include "SmartCharge.h"
 
 using android::sp;
 using android::hardware::configureRpcThreadpool;
@@ -36,56 +38,33 @@ using vendor::eureka::hardware::parts::V1_0::IDisplayConfigs;
 using vendor::eureka::hardware::parts::V1_0::IFlashBrightness;
 using vendor::eureka::hardware::parts::V1_0::ISwapOnData;
 using vendor::eureka::hardware::parts::V1_0::SwapOnData;
+using vendor::eureka::hardware::parts::V1_0::ISmartCharge;
+using vendor::eureka::hardware::parts::V1_0::SmartCharge;
+
+template <class C>
+static inline int registerAsService(C kClass) {
+  int ret = -1;
+  if (kClass != nullptr) {
+    ret = kClass->registerAsService();
+  }
+  return ret;
+}
 
 int main() {
-  int ret;
   android::sp<IBatteryStats> mBatteryService = BatteryStats::getInstance();
-  android::sp<IFlashBrightness> mFlashLightService =
-      FlashBrightness::getInstance();
+  android::sp<IFlashBrightness> mFlashLightService = FlashBrightness::getInstance();
   android::sp<IDisplayConfigs> mDisplayService = DisplayConfigs::getInstance();
   android::sp<ISwapOnData> mSwapService = SwapOnData::getInstance();
+  android::sp<ISmartCharge> mSmartChargeService = SmartCharge::getInstance();
+
   configureRpcThreadpool(4, true /*callerWillJoin*/);
 
-  if (mBatteryService != nullptr) {
-    ret = mBatteryService->registerAsService();
-    if (ret != 0) {
-      ALOGE("Can't register instance of Battery HAL, nullptr");
-    } else {
-      ALOGI("registered Battery HAL");
-    }
-  } else {
-    ALOGE("Can't create instance of Battery HAL, nullptr");
-  }
-  if (mFlashLightService != nullptr) {
-    ret = mFlashLightService->registerAsService();
-    if (ret != 0) {
-      ALOGE("Can't register instance of FlashLight HAL, nullptr");
-    } else {
-      ALOGI("registered FlashLight HAL");
-    }
-  } else {
-    ALOGE("Can't create instance of FlashLight HAL, nullptr");
-  }
-  if (mDisplayService != nullptr) {
-    ret = mDisplayService->registerAsService();
-    if (ret != 0) {
-      ALOGE("Can't register instance of Display HAL, nullptr");
-    } else {
-      ALOGI("registered Display HAL");
-    }
-  } else {
-    ALOGE("Can't create instance of Display HAL, nullptr");
-  }
-  if (mSwapService != nullptr) {
-    ret = mSwapService->registerAsService();
-    if (ret != 0) {
-      ALOGE("Can't register instance of Swap HAL, nullptr");
-    } else {
-      ALOGI("registered Swap HAL");
-    }
-  } else {
-    ALOGE("Can't create instance of Swap HAL, nullptr");
-  }
+  registerAsService(mBatteryService);
+  registerAsService(mFlashLightService);
+  registerAsService(mDisplayService);
+  registerAsService(mSwapService);
+  registerAsService(mSmartChargeService);
+
   joinRpcThreadpool();
 
   return -1; // should never get here

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/vendor.eureka.hardware.parts@1.0-service.rc

@@ -3,6 +3,7 @@ service parts-hal /system/bin/vendor.eureka.hardware.parts@1.0-service
     interface vendor.eureka.hardware.parts@1.0::IDisplayConfigs default
     interface vendor.eureka.hardware.parts@1.0::IFlashBrightness default
     interface vendor.eureka.hardware.parts@1.0::ISwapOnData default
+    interface vendor.eureka.hardware.parts@1.0::ISmartCharge default
     class hal
     user root
     group root

universal7885-common/hidl-packages/parts/hardware/parts/1.0/default/vendor.eureka.hardware.parts@1.0.xml

@@ -19,5 +19,9 @@
          <name>ISwapOnData</name>
          <instance>default</instance>
       </interface>
+      <interface>
+	 <name>ISmartCharge</name>
+	 <instance>default</instance>
+      </interface>
    </hal>
 </manifest>

universal7885-common/hidl-packages/parts/hardware/parts/1.0/types.hal

@@ -14,7 +14,7 @@
 
 package vendor.eureka.hardware.parts@1.0;
 
-enum SysfsType : int32_t {
+enum BatterySys : int32_t {
 	CAPACITY_MAX,
 	TEMP,
 	CAPACITY_CURRENT,
@@ -23,30 +23,12 @@ enum SysfsType : int32_t {
 	CHARGE,
 };
 
-enum Display : int32_t {
+enum DisplaySys : int32_t {
 	DOUBLE_TAP,
 	GLOVE_MODE,
 };
 
-enum Number : int32_t {
+enum Status : int32_t {
 	ENABLE = 1,
 	DISABLE = 0,
 };
-
-enum Device : int32_t {
-	A10,
-	NOTA10,
-};
-
-enum Value : int32_t {
-	ONEUI = 1,
-	TWOUI,
-	THREEUI,
-	FOURUI,
-	FIVEUI,
-	SIXUI,
-	SEVENUI,
-	EIGHTUI,
-	NINEUI,
-	TENUI = 10,
-};

universal7885-common/sepolicy/private/hwservice_contexts

@@ -3,6 +3,6 @@ vendor.eureka.hardware.parts::IBatteryStats u:object_r:hal_parts_hwservice:s0
 vendor.eureka.hardware.parts::IFlashBrightness u:object_r:hal_parts_hwservice:s0
 vendor.eureka.hardware.parts::IDisplayConfigs u:object_r:hal_parts_hwservice:s0
 vendor.eureka.hardware.parts::ISwapOnData u:object_r:hal_parts_hwservice:s0
-
+vendor.eureka.hardware.parts::ISmartCharge u:object_r:hal_parts_hwservice:s0
 # FMRadio
 vendor.eureka.hardware.fmradio::IFMRadio u:object_r:hal_fmradio_hwservice:s0