static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
{
    setBooleanField(env, obj, gPaths.acOnlinePath, gFieldIds.mAcOnline);
    setBooleanField(env, obj, gPaths.usbOnlinePath, gFieldIds.mUsbOnline);
    setBooleanField(env, obj, gPaths.batteryPresentPath, gFieldIds.mBatteryPresent);
    
    setIntField(env, obj, gPaths.batteryCapacityPath, gFieldIds.mBatteryLevel);
    setVoltageField(env, obj, gPaths.batteryVoltagePath, gFieldIds.mBatteryVoltage);
    setIntField(env, obj, gPaths.batteryTemperaturePath, gFieldIds.mBatteryTemperature);
    
    const int SIZE = 128;
    char buf[SIZE];
    
    if (readFromFile(gPaths.batteryStatusPath, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryStatus, getBatteryStatus(buf));
    else
        env->SetIntField(obj, gFieldIds.mBatteryStatus,
                         gConstants.statusUnknown);
    
    if (readFromFile(gPaths.batteryHealthPath, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryHealth, getBatteryHealth(buf));

    if (readFromFile(gPaths.batteryTechnologyPath, buf, SIZE) > 0)
        env->SetObjectField(obj, gFieldIds.mBatteryTechnology, env->NewStringUTF(buf));
}
static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
{
    setBooleanField(env, obj, ACO, gFieldIds.mAcOnline);
    setBooleanField(env, obj, USBO, gFieldIds.mUsbOnline);
    setBooleanField(env, obj, BPRS, gFieldIds.mBatteryPresent);
    
    setPercentageField(env, obj, BCAP, gFieldIds.mBatteryLevel);
    setVoltageField(env, obj, BVOL, gFieldIds.mBatteryVoltage);
    setIntField(env, obj, BTMP, gFieldIds.mBatteryTemperature);
    
    const int SIZE = 128;
    char buf[SIZE];
    
    if (readFromFile(BSTS, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryStatus, getBatteryStatus(buf));
    else
        env->SetIntField(obj, gFieldIds.mBatteryStatus,
                         gConstants.statusUnknown);
    
    if (readFromFile(BHTH, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryHealth, getBatteryHealth(buf));

    if (readFromFile(BTECH, buf, SIZE) > 0)
        env->SetObjectField(obj, gFieldIds.mBatteryTechnology, env->NewStringUTF(buf));
}
bool BatteryMonitor::update(void) {
    struct BatteryProperties props;
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;
    props.batteryCurrentNow = INT_MIN;
    props.batteryChargeCounter = INT_MIN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = true;

    props.batteryLevel = getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
        props.batteryCurrentNow = getIntField(mHealthdConfig->batteryCurrentNowPath);

    if (!mHealthdConfig->batteryChargeCounterPath.isEmpty())
        props.batteryChargeCounter = getIntField(mHealthdConfig->batteryChargeCounterPath);

    props.batteryTemperature = getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];
        snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

        if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
            char b[20];

            snprintf(b, sizeof(b), " c=%d", props.batteryCurrentNow / 1000);
            strlcat(dmesgline, b, sizeof(dmesgline));
        }

        KLOG_INFO(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                  props.chargerAcOnline ? "a" : "",
                  props.chargerUsbOnline ? "u" : "",
                  props.chargerWirelessOnline ? "w" : "");
    }

    char prop[PROP_VALUE_MAX];
    // always report AC plug-in and capacity 100% if emulated.battery is set to 1
    property_get("sys.emulated.battery", prop, "0");
    if (!strcmp(prop, "1")) {
        props.chargerAcOnline = true;
        props.batteryLevel = 100;
        props.chargerWirelessOnline = false;
    }

    if (mBatteryPropertiesRegistrar != NULL)
        mBatteryPropertiesRegistrar->notifyListeners(props);

    if (!strcmp(prop, "1")) {
        return false;
    } else {
        if (0 == props.batteryTemperature)
            return false;
        else
            return props.chargerAcOnline | props.chargerUsbOnline |
                   props.chargerWirelessOnline;
    }
}
static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
{
    setBooleanField(env, obj, gPaths.batteryPresentPath, gFieldIds.mBatteryPresent);

    setIntFieldMax(env, obj, gPaths.batteryCapacityPath, gFieldIds.mBatteryLevel, 100);
    setVoltageField(env, obj, gPaths.batteryVoltagePath, gFieldIds.mBatteryVoltage);
    setIntField(env, obj, gPaths.batteryTemperaturePath, gFieldIds.mBatteryTemperature);

    const int SIZE = 128;
    char buf[SIZE];

    if (readFromFile(gPaths.batteryStatusPath, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryStatus, getBatteryStatus(buf));
    else
        env->SetIntField(obj, gFieldIds.mBatteryStatus,
                         gConstants.statusUnknown);

    if (readFromFile(gPaths.batteryHealthPath, buf, SIZE) > 0)
        env->SetIntField(obj, gFieldIds.mBatteryHealth, getBatteryHealth(buf));

    if (readFromFile(gPaths.batteryTechnologyPath, buf, SIZE) > 0)
        env->SetObjectField(obj, gFieldIds.mBatteryTechnology, env->NewStringUTF(buf));

    unsigned int i;
    String8 path;
    jboolean acOnline = false;
    jboolean usbOnline = false;
    jboolean wirelessOnline = false;

    for (i = 0; i < gChargerNames.size(); i++) {
        path.clear();
        path.appendFormat("%s/%s/online", POWER_SUPPLY_PATH,
                          gChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_PATH,
                                  gChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    acOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    usbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    wirelessOnline = true;
                    break;
                default:
                    ALOGW("%s: Unknown power supply type",
                          gChargerNames[i].string());
                }
            }
        }
    }

    env->SetBooleanField(obj, gFieldIds.mAcOnline, acOnline);
    env->SetBooleanField(obj, gFieldIds.mUsbOnline, usbOnline);
    env->SetBooleanField(obj, gFieldIds.mWirelessOnline, wirelessOnline);
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    // reinitialize the mChargerNames vector everytime there is an update
    String8 path;
    DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH);
    if (dir == NULL) {
        KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
    } else {
        struct dirent* entry;
        // reconstruct the charger strings
        mChargerNames.clear();
        while ((entry = readdir(dir))) {
            const char* name = entry->d_name;

            if (!strcmp(name, ".") || !strcmp(name, ".."))
                continue;

            // Look for "type" file in each subdirectory
            path.clear();
            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
            switch(readPowerSupplyType(path)) {
            case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
                break;
            default:
                path.clear();
                path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
                if (access(path.string(), R_OK) == 0) {
                    mChargerNames.add(String8(name));
                    if (readFromFile(path, buf, SIZE) > 0) {
                        if (buf[0] != '0') {
                            path.clear();
                            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                              name);
                            switch(readPowerSupplyType(path)) {
                            case ANDROID_POWER_SUPPLY_TYPE_AC:
                                props.chargerAcOnline = true;
                                break;
                            case ANDROID_POWER_SUPPLY_TYPE_USB:
                                props.chargerUsbOnline = true;
                                break;
                            case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                                props.chargerWirelessOnline = true;
                                break;
                            default:
                                KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                             name);
                            }
                        }
                    }
                }
                break;
            } //switch
        } //while
        closedir(dir);
    }//else

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        KLOG_WARNING(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                     props.chargerAcOnline ? "a" : "",
                     props.chargerUsbOnline ? "u" : "",
                     props.chargerWirelessOnline ? "w" : "");
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        KLOG_WARNING(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                     props.chargerAcOnline ? "a" : "",
                     props.chargerUsbOnline ? "u" : "",
                     props.chargerWirelessOnline ? "w" : "");
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        size_t len = strlen(dmesgline);
        snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
                 props.chargerAcOnline ? "a" : "",
                 props.chargerUsbOnline ? "u" : "",
                 props.chargerWirelessOnline ? "w" : "");

        log_time realtime(CLOCK_REALTIME);
        time_t t = realtime.tv_sec;
        struct tm *tmp = gmtime(&t);
        if (tmp) {
            static const char fmt[] = " %Y-%m-%d %H:%M:%S.XXXXXXXXX UTC";
            len = strlen(dmesgline);
            if ((len < (sizeof(dmesgline) - sizeof(fmt) - 8)) // margin
                    && strftime(dmesgline + len, sizeof(dmesgline) - len,
                                fmt, tmp)) {
                char *usec = strchr(dmesgline + len, 'X');
                if (usec) {
                    len = usec - dmesgline;
                    snprintf(dmesgline + len, sizeof(dmesgline) - len,
                             "%09u", realtime.tv_nsec);
                    usec[9] = ' ';
                }
            }
        }

        KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;
    props.maxChargingCurrent = 0;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
        props.batteryCurrent = getIntField(mHealthdConfig->batteryCurrentNowPath) / 1000;

    if (!mHealthdConfig->batteryFullChargePath.isEmpty())
        props.batteryFullCharge = getIntField(mHealthdConfig->batteryFullChargePath);

    if (!mHealthdConfig->batteryCycleCountPath.isEmpty())
        props.batteryCycleCount = getIntField(mHealthdConfig->batteryCycleCountPath);

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    // For devices which do not have battery and are always plugged
    // into power souce.
    if (mAlwaysPluggedDevice) {
        props.chargerAcOnline = true;
        props.batteryPresent = true;
        props.batteryStatus = BATTERY_STATUS_CHARGING;
        props.batteryHealth = BATTERY_HEALTH_GOOD;
    }

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
                path.clear();
                path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                if (access(path.string(), R_OK) == 0) {
                    int maxChargingCurrent = getIntField(path);
                    if (props.maxChargingCurrent < maxChargingCurrent) {
                        props.maxChargingCurrent = maxChargingCurrent;
                    }
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];
        size_t len;
        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            len = strlen(dmesgline);
            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " c=%d", props.batteryCurrent);
            }

            if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " fc=%d", props.batteryFullCharge);
            }

            if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " cc=%d", props.batteryCycleCount);
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        len = strlen(dmesgline);
        snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
                 props.chargerAcOnline ? "a" : "",
                 props.chargerUsbOnline ? "u" : "",
                 props.chargerWirelessOnline ? "w" : "");

        KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}