Java tutorial
/** * */ package com.utdallas.s3lab.smvhunter.monkey; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import org.apache.commons.io.FileUtils; import org.apache.commons.lang3.StringUtils; import org.apache.log4j.Logger; import com.android.ddmlib.IDevice; import com.utdallas.s3lab.smvhunter.enumerate.UIEnumerator; /** * Copyright (C) 2013 David Sounthiraraj This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. * @author david * */ public class NetworkMonitor implements Runnable { static Logger logger = Logger.getLogger(NetworkMonitor.class); public static String GET_PID = "%s -s %s shell ps | grep %s | awk '{print $2}'"; public static String TRACE_PID = "%s -s %s shell strace -p %s -q -f -e trace=network"; public IDevice device = null; public String application = ""; public NetworkMonitor(IDevice device, String application) { this.device = device; this.application = application; } /* (non-Javadoc) * @see java.lang.Runnable#run() */ @Override public void run() { try { //get the pid first String pidString = UIEnumerator.execSpecial( String.format(GET_PID, MonkeyMe.adbLocation, device.getSerialNumber(), application)); if (StringUtils.isEmpty(pidString)) { logger.error(getStringforPrinting("pid string empty for app ", application, "trying again")); Thread.sleep(5000); //try again pidString = UIEnumerator.execSpecial( String.format(GET_PID, MonkeyMe.adbLocation, device.getSerialNumber(), application)); } logger.debug(getStringforPrinting("pid string for ", application, pidString)); List<String> outList = new ArrayList<String>(); if (StringUtils.isNotEmpty(pidString)) { Process pidCmd = null; try { //read the strace command output pidCmd = execCommand( String.format(TRACE_PID, MonkeyMe.adbLocation, device.getSerialNumber(), pidString)); BufferedReader pidReader = new BufferedReader(new InputStreamReader(pidCmd.getInputStream())); String out = ""; while ((out = pidReader.readLine()) != null) { //break the loop if the current thread has been cancelled if (Thread.currentThread().isInterrupted()) { break; } outList.add(getStringforPrinting(System.currentTimeMillis(), application, out)); if (StringUtils.contains(out, "connect")) { logger.debug(out); FileUtils.write(new File(MonkeyMe.straceOutputLocation), getStringforPrinting(System.currentTimeMillis(), application, out) + "\n", true); } } } finally { FileUtils.writeLines(new File(MonkeyMe.straceDumpLocation), outList, true); if (pidCmd != null) { pidCmd.destroy(); } } } } catch (Exception e) { logger.error("Error while processing monitoring network for " + application, e); } } public static Process execCommand(String command) throws IOException { String cmd[] = { "/bin/bash", "-c", command }; Process pr = Runtime.getRuntime().exec(cmd); return pr; } public static String getStringforPrinting(Object... args) { StringBuilder sb = new StringBuilder(); for (Object arg : args) { sb.append(arg); sb.append(" "); } return sb.toString(); } }