运维获取统计数据方式优化，避免数据库冲突
Matthew
1 year ago
parent
7f209f15c0
commit
5ce977e846
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package com.xypower.mpmaster;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.util.Pair;
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import com.xypower.common.MicroPhotoContext;
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import java.util.ArrayList;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Map;
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public class DBHandler extends SQLiteOpenHelper {
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// creating a constant variables for our database.
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// below variable is for our database name.
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private static final String DB_NAME = "/sdcard/" + MicroPhotoContext.PACKAGE_NAME_MPAPP + "/data/App.db";
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// below int is our database version
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private static final int DB_VERSION = 1;
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// below variable is for our table name.
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private static final String TABLE_NAME_SCHEDULES = "Schedules";
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// below variable is for our table name.
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private static final String TABLE_NAME_HEARTBEATS = "Heartbeats";
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private static final String TABLE_NAME_REBOOTS = "Reboots";
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// creating a constructor for our database handler.
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public DBHandler(Context context) {
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super(context, DB_NAME, null, DB_VERSION);
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}
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// below method is for creating a database by running a sqlite query
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@Override
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public void onCreate(SQLiteDatabase db) {
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// on below line we are creating
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// an sqlite query and we are
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// setting our column names
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// along with their data types.
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}
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// we have created a new method for reading all the courses.
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public boolean readStats(long startTime, long endTime, List<Pair<String, String>> stats) {
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// on below line we are creating a
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// database for reading our database.
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SQLiteDatabase db = this.getReadableDatabase();
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// on below line we are creating a cursor with query to read data from database.
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Cursor cursor = db.rawQuery("SELECT scheduleTime,channel,preset,scheduled,takingTime,result,retries,postTime FROM " + TABLE_NAME_SCHEDULES + " WHERE scheduleTime >=" + Long.toString(startTime) + " AND scheduleTime<=" + Long.toString(endTime), null);
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int scheduledCount = 0;
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int takingTimes = 0;
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int retries = 0;
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int succeededPhotos = 0;
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int failedPhotos = 0;
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int failedTimes = 0;
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int scheduled = 0;
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int uploaded = 0;
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int photoResult = 0;
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long photoTime = 0;
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// moving our cursor to first position.
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if (cursor.moveToFirst()) {
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do {
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scheduled = cursor.getInt(3);
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photoTime = cursor.getLong(4);
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if (scheduled != 0)
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{
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scheduledCount ++;
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}
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if (photoTime != 0)
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{
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takingTimes++;
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photoResult = cursor.getInt(5);
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if (photoResult != 0)
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{
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succeededPhotos++;
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}
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else
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{
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failedPhotos++;
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}
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retries = cursor.getInt(6);
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if (retries > 0)
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{
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failedTimes += retries - ((photoResult == 0) ? 0 : 1);
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}
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if (cursor.getInt(7) != 0)
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{
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uploaded++;
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}
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}
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} while (cursor.moveToNext());
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// moving our cursor to next.
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}
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// at last closing our cursor
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// and returning our array list.
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cursor.close();
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cursor = null;
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cursor = db.rawQuery("SELECT COUNT(hb),SUM(CASE WHEN ack=0 THEN 0 ELSE 1 END) FROM " + TABLE_NAME_HEARTBEATS + " WHERE hb >=" + Long.toString(startTime) + " AND hb<=" + Long.toString(endTime), null);
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// moving our cursor to first position.
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int hb = 0;
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int hbAck = 0;
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if (cursor.moveToFirst()) {
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hb = cursor.getInt(0);
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hbAck = cursor.getInt(1);
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}
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// at last closing our cursor
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// and returning our array list.
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cursor.close();
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cursor = null;
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cursor = db.rawQuery("SELECT COUNT(*),appType FROM " + TABLE_NAME_REBOOTS + " WHERE rebootTime >=" + Long.toString(startTime) + " AND rebootTime<=" + Long.toString(endTime) + " GROUP BY appType", null);
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// moving our cursor to first position.
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int appReboots = 0;
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int systemReboots = 0;
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int appType = 0;
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if (cursor.moveToFirst()) {
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do {
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appType = cursor.getInt(1);
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if (appType == 0) {
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appReboots = cursor.getInt(0);
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} else if (appType == 1) {
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systemReboots = cursor.getInt(0);
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}
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} while (cursor.moveToNext());
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// moving our cursor to next.
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}
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// at last closing our cursor
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// and returning our array list.
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cursor.close();
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cursor = null;
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stats.add(new Pair<String, String>("numberOfHb", Integer.toString(hb)));
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stats.add(new Pair<String, String>("numberOfHbAck", Integer.toString(hbAck)));
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stats.add(new Pair<String, String>("recv", Integer.toString(scheduledCount)));
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stats.add(new Pair<String, String>("photoTimes", Integer.toString(takingTimes)));
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stats.add(new Pair<String, String>("success", Integer.toString(succeededPhotos)));
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stats.add(new Pair<String, String>("failure", Integer.toString(succeededPhotos)));
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stats.add(new Pair<String, String>("uploads", Integer.toString(uploaded)));
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if (systemReboots > 0) {
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stats.add(new Pair<String, String>("rebootTimes", Integer.toString(systemReboots)));
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}
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if (appReboots > 0) {
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stats.add(new Pair<String, String>("i1RebootTimes", Integer.toString(appReboots)));
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}
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return true;
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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// this method is called to check if the table exists already.
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}
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}
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