Network Management, get binaries list and a specific binary from the
registred servers
This commit is contained in:
Schoumi
parent
a0c752d341
commit
ed85e6ae49
9 changed files with 312 additions and 2 deletions
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@ -5,6 +5,8 @@
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<uses-feature
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android:name="android.hardware.usb.host"
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android:required="true" />
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<uses-permission android:name="android.permission.INTERNET"/>
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
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<application
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android:allowBackup="true"
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@ -0,0 +1,37 @@
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/*
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* Copyright (C) 2015 Anthony Chomienne, anthony@mob-dev.fr
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package fr.mobdev.lpcprog.listener;
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import java.util.EventListener;
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import fr.mobdev.lpcprog.objects.Binary;
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import fr.mobdev.lpcprog.objects.Server;
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public interface NetworkListener extends EventListener{
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void startBinaries();
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void startServer(Server server);
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void endServer(Server server);
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void endBinaries();
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void onError(String string);
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void downloadCanceled(Server server, Binary binary);
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void downloadSuccessful(Server server, Binary binary);
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void downloadFailed(Server server, Binary binary);
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void downloadError(Server server, Binary binary, String string);
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void progress(Server server, Binary binary, int progress);
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}
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@ -1,3 +1,21 @@
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/*
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* Copyright (C) 2015 Anthony Chomienne, anthony@mob-dev.fr
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package fr.mobdev.lpcprog.managers;
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import android.content.ContentValues;
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@ -101,4 +119,7 @@ public class DatabaseManager extends SQLiteOpenHelper {
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cursor.close();
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return list;
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}
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public void serverFail(Server server) {
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}
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}
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@ -1,4 +1,241 @@
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package fr.mobdev.lpcprog.managers;
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import android.content.Context;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.List;
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import fr.mobdev.lpcprog.R;
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import fr.mobdev.lpcprog.listener.NetworkListener;
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import fr.mobdev.lpcprog.objects.Binary;
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import fr.mobdev.lpcprog.objects.Server;
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public class NetworkManager {
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private NetworkListener listener;
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private static NetworkManager instance;
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private Context context;
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private boolean isCanceled;
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private boolean downloadInProgress;
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private NetworkManager(NetworkListener listener, Context context)
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{
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this.listener = listener;
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this.context = context;
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this.isCanceled = false;
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}
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public static NetworkManager getInstance(NetworkListener listener, Context context){
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if (instance == null)
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instance = new NetworkManager(listener,context);
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if(listener != null && listener != instance.getListener())
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instance.setListener(listener);
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return instance;
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}
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private NetworkListener getListener()
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{
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return listener;
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}
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private void setListener(NetworkListener listener)
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{
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this.listener = listener;
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}
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public void browseBinaries(){
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if(isConnectedToInternet(context)) {
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new Thread(new Runnable() {
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@Override
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public void run() {
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getBinariesList();
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}
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}).start();
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}
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else
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listener.onError(context.getString(R.string.network_error));
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}
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public void retrieveBinary(final Server server, final Binary binary){
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if(isConnectedToInternet(context)){
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new Thread(new Runnable() {
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@Override
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public void run() {
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getBinary(server, binary);
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}
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}).start();
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}
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else
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listener.onError(context.getString(R.string.network_error));
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}
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private void getBinariesList(){
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List<List<Server>> servers = DatabaseManager.getInstance(context).getServers();
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List<Server> serversAvailable = new ArrayList<>();
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for(Server server : servers.get(0)){
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serversAvailable.add(server);
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}
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for(Server server : servers.get(1)){
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serversAvailable.add(server);
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}
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listener.startBinaries();
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for(Server server : serversAvailable) {
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listener.startServer(server);
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try {
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URL url = new URL(server.url.toString()+"Binaries");
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setDoInput(true);
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InputStream stream = connection.getInputStream();
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if(stream != null){
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InputStreamReader isr = new InputStreamReader(stream);
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BufferedReader reader = new BufferedReader(isr);
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String line = reader.readLine();
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while(line != null){
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Binary b = parseLine(line);
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if(b != null)
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server.addBinary(b);
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line = reader.readLine();
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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DatabaseManager.getInstance(context).serverFail(server);
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} finally {
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listener.endServer(server);
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}
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}
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listener.endBinaries();
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}
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private Binary parseLine(String line){
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if(!line.matches("(.*;){5}")){
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System.out.println("Line not match regex");
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return null;
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}
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Binary b = new Binary();
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b.name = line.substring(0,line.indexOf(";"));
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line = line.substring(line.indexOf(";")+1);
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b.filename = line.substring(0,line.indexOf(";"));
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line = line.substring(line.indexOf(";")+1);
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b.version = Integer.valueOf(line.substring(0,line.indexOf(";")));
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line = line.substring(line.indexOf(";")+1);
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b.path = line.substring(0,line.indexOf(";"));
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line = line.substring(line.indexOf(";")+1);
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b.sha1 = line.substring(0,line.indexOf(";"));
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return b;
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}
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private void getBinary(Server server, Binary binary){
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try {
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URL url = new URL(server.url.toString() + binary.path + binary.filename);
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downloadInProgress = true;
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setDoInput(true);
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InputStream stream = connection.getInputStream();
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File file = new File(context.getApplicationInfo().dataDir+"/"+server.id+"/"+binary.path+binary.filename);
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file.getParentFile().mkdirs();
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if (!file.createNewFile() && !file.canWrite()){
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listener.downloadError(server,binary,context.getString(R.string.cant_create_file));
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return;
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}
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FileOutputStream output = new FileOutputStream(file);
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int fileLength = connection.getContentLength();
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if (stream != null) {
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byte[] data = new byte[4096];
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long totalSizeReaded = 0;
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int sizeReaded ;
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while((sizeReaded = stream.read(data)) != -1){
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if(isCanceled) {
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isCanceled = false;
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downloadInProgress = false;
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listener.downloadCanceled(server,binary);
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stream.close();
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output.close();
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cleanupFile(server,binary);
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return;
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}
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totalSizeReaded += sizeReaded;
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if(fileLength > 0){
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listener.progress(server,binary, (int) totalSizeReaded * 100 / fileLength);
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}
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output.write(data,0,sizeReaded);
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}
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output.close();
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if(checkFileSha1(server,binary))
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listener.downloadSuccessful(server,binary);
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else
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listener.downloadError(server,binary,context.getString(R.string.sha1_error));
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}
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}catch (IOException e) {
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e.printStackTrace();
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cleanupFile(server,binary);
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listener.downloadFailed(server,binary);
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}
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downloadInProgress = false;
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isCanceled = false;
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}
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public boolean checkFileSha1(Server server, Binary binary){
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String sha1 = "";
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try {
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File f = new File(context.getApplicationInfo().dataDir+"/"+server.id+"/"+binary.path+binary.filename);
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FileInputStream fis = new FileInputStream(f);
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MessageDigest md = MessageDigest.getInstance("SHA-1");
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byte[] data = new byte[4096];
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int sizeReaded;
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while((sizeReaded = fis.read(data)) >0){
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md.update(data,0,sizeReaded);
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}
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byte[] output = md.digest();
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for(byte b : output){
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sha1 += String.format("%02x",b);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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System.out.println("Sha1 "+sha1);
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return sha1.compareToIgnoreCase(binary.sha1) == 0;
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}
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public boolean cleanupFile(Server server, Binary binary){
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File f = new File(context.getApplicationInfo().dataDir+"/"+server.id+"/"+binary.path+binary.filename);
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return f.delete();
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}
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public void cancelDownload(){
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if(downloadInProgress)
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isCanceled = true;
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}
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private boolean isConnectedToInternet(Context context)
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{
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//verify the connectivity
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ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
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if (networkInfo != null)
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{
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NetworkInfo.State networkState = networkInfo.getState();
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if (networkState.equals(NetworkInfo.State.CONNECTED))
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{
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return true;
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}
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}
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return false;
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}
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}
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@ -10,4 +10,8 @@ public class Server {
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public boolean isActive;
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public int attempted;
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public List<Binary> binaries = new ArrayList<>();
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public void addBinary(Binary b) {
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binaries.add(b);
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}
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}
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6
app/src/main/res/layout/binary_item.xml
Normal file
6
app/src/main/res/layout/binary_item.xml
Normal file
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical" android:layout_width="match_parent"
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android:layout_height="match_parent">
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</LinearLayout>
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@ -12,6 +12,9 @@
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<string name="add_server">Add a Server</string>
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<string name="device_informations">Device Informations</string>
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<string name="server_management">Manage Servers</string>
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<string name="network_error">Network Unavailable</string>
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<string name="sha1_error">Verification on file Failed</string>
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<string name="cant_create_file">Can\\\'t create file</string>
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<array name="https">
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<item>http://</item>
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<item>https://</item>
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@ -5,7 +5,7 @@ buildscript {
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jcenter()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:1.5.0'
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classpath 'com.android.tools.build:gradle:2.0.0'
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// NOTE: Do not place your application dependencies here; they belong
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// in the individual module build.gradle files
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2
gradle/wrapper/gradle-wrapper.properties
vendored
2
gradle/wrapper/gradle-wrapper.properties
vendored
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@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
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distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
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