package com.mobile.mobilehardware.cpu;
import android.os.Build;
import android.text.TextUtils;
import android.util.Log;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.util.regex.Pattern;
/**
* @author 谷闹年
* @date 2018/1/5
*/
class CpuInfo {
/**
* 获取CPU的名字
*
* @return
*/
@SuppressWarnings("StatementWithEmptyBody")
private static void getCpuName(CpuBean cpuBean) {
try {
FileReader fr = new FileReader("/proc/cpuinfo");
BufferedReader br = new BufferedReader(fr);
String line;
try {
while ((line = br.readLine()) != null) {
String result = line.toLowerCase();
String[] array = result.split(":\\s+", 2);
//cpu名字
if (array[0].startsWith("model name")) {
cpuBean.setCpuName(array[1]);
}
//cpu架构
else if (array[0].startsWith("cpu part")) {
cpuBean.setCpuPart(array[1]);
}
//cpu品牌
else if (array[0].startsWith("hardware")) {
cpuBean.setCpuHardware(array[1]);
}
//cpu速度
else if (array[0].startsWith("bogomips")) {
cpuBean.setBogomips(array[1]);
}
//cpu细节描述
else if (array[0].startsWith("features")) {
cpuBean.setFeatures(array[1]);
}
//cpu ARM架构
else if (array[0].startsWith("cpu implementer")) {
cpuBean.setCpuImplementer(array[1]);
}
//cpu 指令集架构
else if (array[0].startsWith("cpu architecture")) {
cpuBean.setCpuArchitecture(array[1]);
}
//cpu 变化
else if (array[0].startsWith("cpu variant")) {
cpuBean.setCpuVariant(array[1]);
}
}
} catch (IOException e) {
Log.i(TAG, e.toString());
}
} catch (IOException e) {
Log.i(TAG, e.toString());
}
}
private static final String TAG = CpuInfo.class.getSimpleName();
static JSONObject getCpuInfo() {
CpuBean cpuBean = new CpuBean();
try {
getCpuName(cpuBean);
cpuBean.setCpuFreq(getCurCpuFreq() + "KHZ");
cpuBean.setCpuMaxFreq(getMaxCpuFreq() + "KHZ");
cpuBean.setCpuMinFreq(getMinCpuFreq() + "KHZ");
cpuBean.setCpuCores(getHeart());
cpuBean.setCpuTemp(getCpuTemp() + "℃");
cpuBean.setCpuAbi(putCpuAbi());
} catch (Exception e) {
Log.i(TAG, e.toString());
}
return cpuBean.toJSONObject();
}
private static String putCpuAbi() {
String[] abis;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
abis = Build.SUPPORTED_ABIS;
} else {
abis = new String[]{Build.CPU_ABI, Build.CPU_ABI2};
}
StringBuilder stringBuilder = new StringBuilder();
for (String abi : abis) {
stringBuilder.append(abi);
stringBuilder.append(",");
}
try {
return stringBuilder.toString().substring(0, stringBuilder.toString().length() - 1);
} catch (Exception e) {
Log.i(TAG, e.toString());
}
return null;
}
private static String getCpuTemp() {
String temp = null;
try {
FileReader fr = new FileReader("/sys/class/thermal/thermal_zone9/subsystem/thermal_zone9/temp");
BufferedReader br = new BufferedReader(fr);
temp = br.readLine();
br.close();
} catch (IOException e) {
Log.i(TAG, e.toString());
}
return TextUtils.isEmpty(temp) ? null : temp.length() >= 5 ? (Integer.valueOf(temp) / 1000) + "" : temp;
}
private static int getHeart() {
int cores;
try {
cores = new File("/sys/devices/system/cpu/").listFiles(CPU_FILTER).length;
} catch (SecurityException e) {
cores = 0;
}
return cores;
}
private static final FileFilter CPU_FILTER = new FileFilter() {
@Override
public boolean accept(File pathname) {
return Pattern.matches("cpu[0-9]", pathname.getName());
}
};
private static String getCurCpuFreq() {
String result = "N/A";
try {
FileReader fr = new FileReader(
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
BufferedReader br = new BufferedReader(fr);
String text = br.readLine();
result = text.trim();
} catch (FileNotFoundException e) {
Log.i(TAG, e.toString());
} catch (IOException e) {
Log.i(TAG, e.toString());
}
return result;
}
private static String getMaxCpuFreq() {
String result = "";
ProcessBuilder cmd;
try {
String[] args = {"/system/bin/cat",
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq"};
cmd = new ProcessBuilder(args);
Process process = cmd.start();
InputStream in = process.getInputStream();
byte[] re = new byte[24];
while (in.read(re) != -1) {
result = result + new String(re);
}
in.close();
} catch (IOException ex) {
Log.i(TAG, ex.toString());
result = "N/A";
}
return result.trim();
}
private static String getMinCpuFreq() {
String result = "";
ProcessBuilder cmd;
try {
String[] args = {"/system/bin/cat",
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq"};
cmd = new ProcessBuilder(args);
Process process = cmd.start();
InputStream in = process.getInputStream();
byte[] re = new byte[24];
while (in.read(re) != -1) {
result = result + new String(re);
}
in.close();
} catch (IOException ex) {
Log.i(TAG, ex.toString());
result = "N/A";
}
return result.trim();
}
}
