package ControllerWorker; import java.io.IOException; import java.lang.Thread; import java.util.Date; import java.util.concurrent.ExecutionException; import java.util.HashMap; import java.util.StringTokenizer; import java.util.Vector; import org.gearman.client.GearmanClient; import org.gearman.client.GearmanClientImpl; import org.gearman.client.GearmanJob; import org.gearman.client.GearmanJobImpl; import org.gearman.client.GearmanJobResult; import org.gearman.client.GearmanJobStatus; import org.gearman.common.GearmanJobServerConnection; import org.gearman.common.GearmanNIOJobServerConnection; import org.gearman.util.ByteUtils; import org.json.simple.JSONObject; import org.json.simple.JSONValue; public class Boot extends Thread { private long beginTime; private long timeTaken; private long timeLeft; private Boolean finished; private Boolean error; private final int updateRate; private final long updatePeriod; private String bootOS; private String[] statusText; private HashMap pingJobs; private HashMap wolJobs; private HashMap pingWoLJobs; private HashMap osJobs; private HashMap whoJobs; private HashMap checkStatusJobs; private HashMap restartJobs; private HashMap pingRestartJobs; private HashMap status; private HashMap errors; private HashMap pingWolTime; private HashMap pingRestartTime; private Vector> clients; private final GearmanJobServerConnection gearmanConnection; private GearmanClient gearmanClient; public Boot(String serverAddress, int port, Vector> clients, int updateRate, String bootOS) { this.pingJobs = new HashMap(); this.pingWoLJobs = new HashMap(); this.wolJobs = new HashMap(); this.osJobs = new HashMap(); this.whoJobs = new HashMap(); this.checkStatusJobs = new HashMap(); this.restartJobs = new HashMap(); this.pingRestartJobs = new HashMap(); this.status = new HashMap(); this.errors = new HashMap(); this.pingWolTime = new HashMap(); this.pingRestartTime = new HashMap(); this.updateRate = updateRate; // updates per second this.updatePeriod = 1000000000L / this.updateRate; // nanoseconds this.gearmanConnection = new GearmanNIOJobServerConnection( serverAddress, port); this.gearmanClient = new GearmanClientImpl(); gearmanClient.addJobServer(this.gearmanConnection); this.clients = clients; for (HashMap client : clients) { int clientID = Integer.parseInt(client.get("id")); status.put(clientID, 0); // no work } this.finished = false; this.error = false; this.bootOS = bootOS; this.statusText = new String[20]; this.statusText[0] = "The booting process of the client has been started."; this.statusText[1] = "The ping has been started."; this.statusText[2] = "The client is alive."; this.statusText[3] = "The client is not alive."; this.statusText[4] = "The wake on LAN has been started."; this.statusText[5] = "The Magic packet has been send."; this.statusText[6] = "The ping after wake on LAN has been started."; this.statusText[7] = "Doing ping after wake on LAN again and again, until client is alive or two minutes has been elapsed"; this.statusText[8] = "The check for the correct operating system has been started."; this.statusText[9] = "The wrong operating system is running."; this.statusText[10] = "The check if a user is logged in has been started."; this.statusText[11] = "A user is logged in."; this.statusText[12] = "The check if the user is working has been started."; this.statusText[13] = "The user is not working."; this.statusText[14] = "A restart of the client has been triggered."; this.statusText[15] = "The ping after restart has been started."; this.statusText[16] = "Doing ping after restart again and again, until client is alive or two minutes has been elapsed"; this.statusText[17] = "The user is working."; this.statusText[18] = "Booting of the client has not been finished, due to an error."; this.statusText[19] = "Booting of the client has been finished."; } public void run() { workerLoop(); } private void workerLoop() { Boolean run = true; while (run) { try { beginTime = System.nanoTime(); run = update(); timeTaken = System.nanoTime() - beginTime; timeLeft = (updatePeriod - timeTaken) / 1000000; if (timeLeft < 10) timeLeft = 10; Thread.sleep(timeLeft); } catch (Exception e) { e.printStackTrace(); } } this.finished = true; System.out.println("Booting finished"); } private Boolean update() throws IllegalStateException, IOException, InterruptedException, ExecutionException { Boolean allFinished = false; for (HashMap client : clients) { String ipAddress = client.get("ip"); String macAddress = client.get("mac"); int clientID = Integer.parseInt(client.get("id")); int clientStatus = status.get(clientID); switch (clientStatus) { case 0: ping(client); break; case 1: GearmanJob pingJob = pingJobs.get(clientID); if (pingJob != null) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(pingJob); if (!jobStatus.isKnown() && pingJob.isDone()) { GearmanJobResult pingJobRes = pingJob.get(); String result = ByteUtils.fromUTF8Bytes(pingJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); String alive = resultObj.get("alive").toString(); if (alive.equals("true")) { System.out.println(ipAddress + " alive"); status.put(clientID, 2); // alive pingJobs.remove(clientID); } else { System.out.println(ipAddress + " not alive"); status.put(clientID, 3); // not alive pingJobs.remove(clientID); } } } } break; case 2: checkOS(client); break; case 3: wakeOnLan(client); break; case 4: GearmanJob wolJob = wolJobs.get(clientID); if (wolJob != null) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(wolJob); if (!jobStatus.isKnown() && wolJob.isDone()) { GearmanJobResult wolJobRes = wolJob.get(); String result = ByteUtils.fromUTF8Bytes(wolJobRes .getResults()); System.out.println(result.toString()); if (result.equals("Magic packet send.\n")) { System.out.println(macAddress + " Magic packet send."); status.put(clientID, 5); // magic packet send wolJobs.remove(clientID); } else { System.out.println(ipAddress + " Cannot send magic packet."); this.errors .put(clientID, "Sending the magic packet has been failed."); // cannot send magic packet, go in errorState status.put(clientID, 18); wolJobs.remove(clientID); } } } break; case 5: Date date = new Date(); Long timestamp = date.getTime(); pingWolTime.put(clientID, timestamp); status.put(clientID, 6); // ping after wake on LAN break; case 6: pingWakeOnLan(client); break; case 7: GearmanJob pingJobWoL = pingWoLJobs.get(clientID); if (pingJobWoL != null) { Date currentDate = new Date(); Long currentTimestamp = currentDate.getTime(); // wait 2 min until WoL - Failed Long expectedTimestamp = this.pingWolTime.get(clientID) + 120000L; if (expectedTimestamp >= currentTimestamp) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(pingJobWoL); if (!jobStatus.isKnown() && pingJobWoL.isDone()) { GearmanJobResult pingJobRes = pingJobWoL.get(); String result = ByteUtils.fromUTF8Bytes(pingJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); String alive = resultObj.get("alive") .toString(); if (alive.equals("true")) { System.out.println(ipAddress + " is alive after WoL"); // alive, go in successState status.put(clientID, 19); pingWoLJobs.remove(clientID); } else System.out.println("ping again " + ipAddress); status.put(clientID, 6); // again ping pingWoLJobs.remove(clientID); } } } else { System.out.println(ipAddress + " is not alive after WoL"); this.errors.put(clientID, "The wake on LAN has been failed."); status.put(clientID, 18); // not alive, go in errorState pingWoLJobs.remove(clientID); } } break; case 8: GearmanJob osJob = osJobs.get(clientID); if (osJob != null) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(osJob); if (!jobStatus.isKnown() && osJob.isDone()) { GearmanJobResult osJobRes = osJob.get(); String result = ByteUtils.fromUTF8Bytes(osJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); /* * String release = * resultObj.get("Release").toString(); String * distriputorID = * resultObj.get("Distributor ID").toString(); */ String description = resultObj.get("Description") .toString(); if (description.equals(this.bootOS)) { System.out.println(ipAddress + " right OS"); status.put(clientID, 19); // right os osJobs.remove(clientID); } else { System.out.println(ipAddress + " wrong OS"); status.put(clientID, 9); // wrong os osJobs.remove(clientID); } } else { System.out.println(ipAddress + " Cannot check os"); this.errors .put(clientID, "The check for correct operating system has been failed."); // cannot check os, go in errorState status.put(clientID, 18); osJobs.remove(clientID); } } } break; case 9: who(client); break; case 10: GearmanJob whoJob = whoJobs.get(clientID); if (whoJob != null) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(whoJob); if (!jobStatus.isKnown() && whoJob.isDone()) { GearmanJobResult whoJobRes = whoJob.get(); String result = ByteUtils.fromUTF8Bytes(whoJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); String rawoutput = resultObj.get("rawoutput") .toString(); StringTokenizer str = new StringTokenizer( rawoutput, " "); String user = ""; if (str.hasMoreTokens()) { user = str.nextToken(); } if (user.isEmpty()) { System.out.println(ipAddress + " right User"); status.put(clientID, 13); // right user whoJobs.remove(clientID); } else { System.out.println(ipAddress + " wrong User"); status.put(clientID, 11); // wrong user whoJobs.remove(clientID); } } else { System.out.println(ipAddress + " Cannot check if a user is logged in."); this.errors .put(clientID, "The check if a user is logged in has been failed."); /* * cannot check if a user is logged in, go in * errorState */ status.put(clientID, 18); whoJobs.remove(clientID); } } } break; case 11: checkStatus(client); break; case 12: GearmanJob checkStatusJob = checkStatusJobs.get(clientID); if (checkStatusJob != null) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(checkStatusJob); if (!jobStatus.isKnown() && checkStatusJob.isDone()) { GearmanJobResult whoJobRes = checkStatusJob.get(); String result = ByteUtils.fromUTF8Bytes(whoJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); String rawoutput = resultObj.get("rawoutput") .toString(); if (rawoutput.equals("is working")) { System.out.println(ipAddress + " is working"); status.put(clientID, 17); // is working checkStatusJobs.remove(clientID); } else { System.out.println(ipAddress + " is not working"); status.put(clientID, 13); // is not working checkStatusJobs.remove(clientID); } } else { System.out.println(ipAddress + " Cannot check if user is working."); this.errors .put(clientID, "The check if a user is working has been failed."); // cannot check if user is working, go in errorState status.put(clientID, 18); checkStatusJobs.remove(clientID); } } } break; case 13: restart(client); break; case 14: date = new Date(); timestamp = date.getTime(); pingRestartTime.put(clientID, timestamp); status.put(clientID, 15); // ping after restart break; case 15: pingRestart(client); break; case 16: GearmanJob pingJobRestart = pingRestartJobs.get(clientID); if (pingJobRestart != null) { Date currentDate = new Date(); Long currentTimestamp = currentDate.getTime(); // wait 2 min until Restart - Failed Long expectedTimestamp = this.pingRestartTime.get(clientID) + 120000L; if (expectedTimestamp >= currentTimestamp) { GearmanJobStatus jobStatus = gearmanClient .getJobStatus(pingJobRestart); if (!jobStatus.isKnown() && pingJobRestart.isDone()) { GearmanJobResult pingJobRes = pingJobRestart.get(); String result = ByteUtils.fromUTF8Bytes(pingJobRes .getResults()); if (result != "") { JSONObject resultObj = (JSONObject) JSONValue .parse(result); String alive = resultObj.get("alive") .toString(); if (alive.equals("true")) { System.out.println(ipAddress + " is alive after restart"); // alive, go in successState status.put(clientID, 19); pingRestartJobs.remove(clientID); } else { System.out.println("ping again " + ipAddress); status.put(clientID, 15); // again ping pingRestartJobs.remove(clientID); } } } } else { System.out.println(ipAddress + " is not alive after restart"); this.errors.put(clientID, "The restart has been failed."); status.put(clientID, 18); // not alive, go in errorState pingRestartJobs.remove(clientID); } } break; case 17: System.out.println("User is working Logik"); break; case 18: System.out.println("Boot failed"); // errorState break; case 19: System.out.println("Boot successful"); // successState break; } if (clientStatus == 19) { allFinished = true; } else if (clientStatus == 18) { allFinished = true; this.error = true; } else { allFinished = false; } } if (allFinished) { return false; } else { return true; } } private void ping(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("ping", ipAddress.getBytes(), "ping" + clientID); gearmanClient.submit(job); status.put(clientID, 1); // ping started pingJobs.put(clientID, job); System.out.println("ping " + ipAddress); } private void pingWakeOnLan(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("ping", ipAddress.getBytes(), "ping" + clientID); gearmanClient.submit(job); status.put(clientID, 7); // pingWol started pingWoLJobs.put(clientID, job); System.out.println("ping " + ipAddress); } private void pingRestart(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("ping", ipAddress.getBytes(), "ping" + clientID); gearmanClient.submit(job); status.put(clientID, 16); // pingRestart started pingRestartJobs.put(clientID, job); System.out.println("ping " + ipAddress); } private void wakeOnLan(HashMap client) { String macAddress = client.get("mac"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("wol", macAddress.getBytes(), "wol" + clientID); gearmanClient.submit(job); status.put(clientID, 4); // wake on lan started wolJobs.put(clientID, job); System.out.println("wake on lan"); } private void checkOS(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("os", ipAddress.getBytes(), "os" + clientID); gearmanClient.submit(job); status.put(clientID, 8); // checkOS started osJobs.put(clientID, job); System.out.println("check OS " + ipAddress); } private void who(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("who", ipAddress.getBytes(), "who" + clientID); gearmanClient.submit(job); status.put(clientID, 10); // who started whoJobs.put(clientID, job); System.out.println("who " + ipAddress); } private void checkStatus(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("checkStatus", ipAddress .getBytes(), "checkStatus" + clientID); gearmanClient.submit(job); status.put(clientID, 12); // checkStatus started checkStatusJobs.put(clientID, job); System.out.println("checkStatus " + ipAddress); } private void restart(HashMap client) { String ipAddress = client.get("ip"); int clientID = Integer.parseInt(client.get("id")); GearmanJob job = GearmanJobImpl.createJob("restart", ipAddress .getBytes(), "restart" + clientID); gearmanClient.submit(job); status.put(clientID, 14); // restart started restartJobs.put(clientID, job); System.out.println("restart " + ipAddress); } public String getStatusText(HashMap client) { int clientID = Integer.parseInt(client.get("id")); int clientStatus = this.status.get(clientID); return this.statusText[clientStatus]; } public String getError(HashMap client) { int clientID = Integer.parseInt(client.get("id")); String clientError = this.errors.get(clientID); return clientError; } public Boolean isFinished() { return finished; } public Boolean isFinishedWithErrors() { return finished && error; } public Vector> getClients() { return clients; } }