List of usage examples for org.apache.commons.net.ntp TimeInfo computeDetails
public void computeDetails()
From source file:experts.net.ip6.ULUA.java
/** * Obtain NTP time stamp value//from w ww.j a v a2 s.c o m * * @param address * NTP server address * @return the current time of day in 64-bit NTP format * @throws SocketException * If the socket could not be opened which it might be not available any ports. * @throws UnknownHostException * If the host could not be found. * @throws IOException */ public static long obtainNTPTime(String address) throws SocketException, UnknownHostException, IOException { NTPUDPClient client = new NTPUDPClient(); client.setVersion(NtpV3Packet.VERSION_4); // throws SocketException client.open(); // throws UnknownHostException from InetAddress.getByName and IOException from client.getTime TimeInfo time = client.getTime(InetAddress.getByName(address)); client.close(); time.computeDetails(); return time.getMessage().getTransmitTimeStamp().ntpValue(); }
From source file:be.fedict.trust.service.util.ClockDriftUtil.java
public static TimeInfo executeNTP(ClockDriftConfigEntity clockDriftConfig, final NetworkConfig networkConfig) throws IOException { LOG.debug("clock drift detection: " + clockDriftConfig.toString()); final InetAddress ntpServerAddress = InetAddress.getByName(clockDriftConfig.getServer()); TimeInfo timeInfo; NTPUDPClient client = new NTPUDPClient(); client.setDefaultTimeout(clockDriftConfig.getTimeout()); client.open();/* w ww . j a v a2 s .c o m*/ LOG.debug("NTP server: " + ntpServerAddress); timeInfo = client.getTime(ntpServerAddress); client.close(); timeInfo.computeDetails(); return timeInfo; }
From source file:de.tud.kitchen.android.NTPTimeReceiver.java
@Override protected Void doInBackground(InetAddress... params) { NTPUDPClient client = new NTPUDPClient(); client.setDefaultTimeout(10000);/*from w w w . ja v a 2s.c o m*/ try { client.open(); } catch (final SocketException se) { se.printStackTrace(); return null; } while (!this.isCancelled()) { try { TimeInfo info = client.getTime(params[0]); info.computeDetails(); Long offsetValue = info.getOffset(); int receiverTimeDelta = (offsetValue == null) ? 0 : offsetValue.intValue(); publishProgress(receiverTimeDelta); } catch (final IOException ioe) { ioe.printStackTrace(); continue; } try { Thread.sleep(1000 * 60); } catch (InterruptedException e) { continue; } } client.close(); return null; }
From source file:interactivespaces.time.NtpTimeProvider.java
private long computeOffset() throws IOException { log.info("Updating time offset from NTP server: " + host.getHostName()); try {/*from w ww . jav a 2 s . c om*/ TimeInfo time = ntpClient.getTime(host); time.computeDetails(); return time.getOffset(); } catch (IOException e) { log.error("Failed to read time from NTP server: " + host.getHostName(), e); throw e; } }
From source file:com.blockwithme.time.internal.NTPClockSynchronizer.java
@Override public long getLocalToUTCTimeOffset() throws Exception { final NTPUDPClient client = new NTPUDPClient(); // final Calendar cal = Calendar.getInstance(DEFAULT_LOCAL); // We want to timeout if a response takes longer than 3 seconds client.setDefaultTimeout(TIMEOUT); long offsetSum = 0L; int offsetCount = 0; long bestDelay = Long.MAX_VALUE; long bestOffset = Long.MAX_VALUE; Throwable lastException = null; try {/*w w w .ja v a2s .co m*/ client.open(); for (int i = 0; i < ntpPool.length; i++) { try { final InetAddress hostAddr = InetAddress.getByName(ntpPool[i]); final TimeInfo info = client.getTime(hostAddr); info.computeDetails(); final Long offsetValue = info.getOffset(); final Long delayValue = info.getDelay(); if ((delayValue != null) && (offsetValue != null)) { // cal.setTimeInMillis(offsetValue // + System.currentTimeMillis()); // final long local2UTC = -(cal.get(Calendar.ZONE_OFFSET) + cal // .get(Calendar.DST_OFFSET)); if (delayValue <= 100L) { offsetSum += offsetValue;// + local2UTC; offsetCount++; } if (delayValue < bestDelay) { bestDelay = delayValue; bestOffset = offsetValue;// + local2UTC; } } } catch (final Throwable t) { LOG.error("Error reading tiem through NTP", t); lastException = t; } } } catch (final Throwable t) { LOG.error("Error reading tiem through NTP", t); lastException = t; // NTPUDPClient can't even open at all!?! } finally { client.close(); } if (offsetCount > 0) { return offsetSum / offsetCount; } // OK, not good result. Any result at all? if (bestDelay != Long.MAX_VALUE) { return bestOffset; } // FAIL! throw new Exception("Failed to get NTP time", lastException); }
From source file:com.jaspersoft.bigquery.connection.BigQueryConnection.java
public String test() throws JRException { try {//from w w w.ja v a2 s . c o m if (transport != null && jsonFactory != null && bigquery != null) { List datasetRequest = bigquery.datasets().list("publicdata"); DatasetList datasetList = datasetRequest.execute(); StringBuilder builder = new StringBuilder(); builder.append("Available datasets: "); if (datasetList != null) { java.util.List<Datasets> datasets = datasetList.getDatasets(); for (Datasets dataset : datasets) { builder.append(dataset.getId()); builder.append(","); } } if (builder.charAt(builder.length() - 1) == ',') { builder.setCharAt(builder.length() - 1, '.'); } return builder.toString(); } } catch (Throwable e) { if (e.getMessage() != null && e.getMessage().toLowerCase().contains("unauthorized")) { logger.error(e); NTPUDPClient ntpClient = new NTPUDPClient(); TimeInfo timeInfo = null; try { timeInfo = ntpClient.getTime(InetAddress.getByName(NTP_SERVER)); } catch (Throwable e1) { e1.printStackTrace(); } finally { ntpClient.close(); } StringBuilder timeMessage = new StringBuilder(); timeMessage.append("Ensure your system clock is synchronized with an NTP server.\n"); if (timeInfo != null) { timeInfo.computeDetails(); long offset = (timeInfo.getOffset() != null) ? timeInfo.getOffset() : 0l; SimpleDateFormat df = new SimpleDateFormat("EEE yyyy MMM d HH:mm:ss SSS z"); String localDateString = df.format(new java.util.Date(System.currentTimeMillis())); String ntpDateString = df.format(new java.util.Date(System.currentTimeMillis() + offset)); timeMessage.append("Current offset against \""); timeMessage.append(NTP_SERVER); timeMessage.append("\" is: "); timeMessage.append(offset); timeMessage.append(" milliseconds.\n"); timeMessage.append("Current time on NTP server: " + ntpDateString + "\n"); timeMessage.append("Current time on local server: " + localDateString); } throw new JRException( "Unauthorized exception. Please review your serviceAccountId and privateKeyFilePath.\n" + timeMessage.toString()); } throw new JRException(e); } throw new JRException("Could not connect to BigQuery"); }
From source file:edu.tcu.gaduo.ihe.iti.ct_transaction.service.NTPClient.java
public Date processResponse(String host) { TimeInfo info = null; try {/*from www . j ava2 s . co m*/ NTPUDPClient client = new NTPUDPClient(); client.setDefaultTimeout(10000); client.open(); InetAddress hostAddr = InetAddress.getByName(host); info = client.getTime(hostAddr); client.close(); } catch (NullPointerException e) { logger.info(e.toString()); return null; } catch (IOException e) { logger.info(e.toString()); e.printStackTrace(); return null; } message = info.getMessage(); stratum = message.getStratum(); // if (stratum <= 0) refType = "(??)"; else if (stratum == 1) refType = "(??; e.g., GPS)"; // GPS, radio clock, else refType = "(??; e.g. via NTP or SNTP)"; // stratum should be 0..15... logger.info(" Stratum: " + stratum + " " + refType); this.setRefNtpTime(message.getReferenceTimeStamp()); // Originate Time is time request sent by client (t1) this.setOrigNtpTime(message.getOriginateTimeStamp()); // Receive Time is time request received by server (t2) this.setRcvNtpTime(message.getReceiveTimeStamp()); // Transmit time is time reply sent by server (t3) this.setXmitNtpTime(message.getTransmitTimeStamp()); // Destination time is time reply received by client (t4) long destTime = info.getReturnTime(); this.setDestNtpTime(TimeStamp.getNtpTime(destTime)); info.computeDetails(); // compute offset/delay if not already done Long offsetValue = info.getOffset(); Long delayValue = info.getDelay(); this.setDelay(delay = (delayValue == null) ? "N/A" : delayValue.toString()); this.setOffset((offsetValue == null) ? "N/A" : offsetValue.toString()); Date Date = message.getReferenceTimeStamp().getDate(); return Date; }
From source file:amplify.NTPClient.java
/** * Process <code>TimeInfo</code> object and print its details. * * @param info <code>TimeInfo</code> object. */// w ww . java2 s. c o m public static void processResponse(TimeInfo info) { NtpV3Packet message = info.getMessage(); int stratum = message.getStratum(); String refType; if (stratum <= 0) refType = "(Unspecified or Unavailable)"; else if (stratum == 1) refType = "(Primary Reference; e.g., GPS)"; // GPS, radio clock, etc. else refType = "(Secondary Reference; e.g. via NTP or SNTP)"; // stratum should be 0..15... System.out.println(" Stratum: " + stratum + " " + refType); int version = message.getVersion(); int li = message.getLeapIndicator(); System.out.println(" leap=" + li + ", version=" + version + ", precision=" + message.getPrecision()); System.out.println(" mode: " + message.getModeName() + " (" + message.getMode() + ")"); int poll = message.getPoll(); // poll value typically btwn MINPOLL (4) and MAXPOLL (14) System.out.println( " poll: " + (poll <= 0 ? 1 : (int) Math.pow(2, poll)) + " seconds" + " (2 ** " + poll + ")"); double disp = message.getRootDispersionInMillisDouble(); System.out.println(" rootdelay=" + numberFormat.format(message.getRootDelayInMillisDouble()) + ", rootdispersion(ms): " + numberFormat.format(disp)); int refId = message.getReferenceId(); String refAddr = NtpUtils.getHostAddress(refId); String refName = null; if (refId != 0) { if (refAddr.equals("127.127.1.0")) { refName = "LOCAL"; // This is the ref address for the Local Clock } else if (stratum >= 2) { // If reference id has 127.127 prefix then it uses its own reference clock // defined in the form 127.127.clock-type.unit-num (e.g. 127.127.8.0 mode 5 // for GENERIC DCF77 AM; see refclock.htm from the NTP software distribution. if (!refAddr.startsWith("127.127")) { try { InetAddress addr = InetAddress.getByName(refAddr); String name = addr.getHostName(); if (name != null && !name.equals(refAddr)) refName = name; } catch (UnknownHostException e) { // some stratum-2 servers sync to ref clock device but fudge stratum level higher... (e.g. 2) // ref not valid host maybe it's a reference clock name? // otherwise just show the ref IP address. refName = NtpUtils.getReferenceClock(message); } } } else if (version >= 3 && (stratum == 0 || stratum == 1)) { refName = NtpUtils.getReferenceClock(message); // refname usually have at least 3 characters (e.g. GPS, WWV, LCL, etc.) } // otherwise give up on naming the beast... } if (refName != null && refName.length() > 1) refAddr += " (" + refName + ")"; TimeStamp refNtpTime = message.getReferenceTimeStamp(); // Originate Time is time request sent by client (t1) TimeStamp origNtpTime = message.getOriginateTimeStamp(); long destTime = info.getReturnTime(); long localDestTime = System.currentTimeMillis(); // Receive Time is time request received by server (t2) TimeStamp rcvNtpTime = message.getReceiveTimeStamp(); // Transmit time is time reply sent by server (t3) TimeStamp xmitNtpTime = message.getTransmitTimeStamp(); // Destination time is time reply received by client (t4) TimeStamp destNtpTime = TimeStamp.getNtpTime(destTime); info.computeDetails(); // compute offset/delay if not already done Long offsetValue = info.getOffset(); Long delayValue = info.getDelay(); String delay = (delayValue == null) ? "N/A" : delayValue.toString(); String offset = (offsetValue == null) ? "N/A" : offsetValue.toString(); clockOffset = offsetValue != null ? offsetValue.longValue() : 0L; System.out.println(" Reference Identifier:\t" + refAddr); System.out.println(" Reference Timestamp:\t" + refNtpTime + " " + refNtpTime.toDateString()); System.out.println(" Originate Timestamp:\t" + origNtpTime + " " + origNtpTime.toDateString()); System.out.println(" Receive Timestamp:\t" + rcvNtpTime + " " + rcvNtpTime.toDateString()); System.out.println(" Transmit Timestamp:\t" + xmitNtpTime + " " + xmitNtpTime.toDateString()); System.out.println(" Destination Timestamp:\t" + destNtpTime + " " + destNtpTime.toDateString()); System.out.println(" Roundtrip delay(ms)=" + delay + ", clock offset(ms)=" + offset); // offset in ms }
From source file:com.amplify.gcm.hack.NTPClient.java
/** * Process <code>TimeInfo</code> object and print its details. * * @param info <code>TimeInfo</code> object. *//*from w ww . j a v a 2 s . co m*/ public static void processResponse(TimeInfo info) { NtpV3Packet message = info.getMessage(); int stratum = message.getStratum(); String refType; if (stratum <= 0) refType = "(Unspecified or Unavailable)"; else if (stratum == 1) refType = "(Primary Reference; e.g., GPS)"; // GPS, radio clock, etc. else refType = "(Secondary Reference; e.g. via NTP or SNTP)"; // stratum should be 0..15... System.out.println(" Stratum: " + stratum + " " + refType); int version = message.getVersion(); int li = message.getLeapIndicator(); System.out.println(" leap=" + li + ", version=" + version + ", precision=" + message.getPrecision()); System.out.println(" mode: " + message.getModeName() + " (" + message.getMode() + ")"); int poll = message.getPoll(); // poll value typically btwn MINPOLL (4) and MAXPOLL (14) System.out.println( " poll: " + (poll <= 0 ? 1 : (int) Math.pow(2, poll)) + " seconds" + " (2 ** " + poll + ")"); double disp = message.getRootDispersionInMillisDouble(); System.out.println(" rootdelay=" + numberFormat.format(message.getRootDelayInMillisDouble()) + ", rootdispersion(ms): " + numberFormat.format(disp)); int refId = message.getReferenceId(); String refAddr = NtpUtils.getHostAddress(refId); String refName = null; if (refId != 0) { if (refAddr.equals("127.127.1.0")) { refName = "LOCAL"; // This is the ref address for the Local Clock } else if (stratum >= 2) { // If reference id has 127.127 prefix then it uses its own reference clock // defined in the form 127.127.clock-type.unit-num (e.g. 127.127.8.0 mode 5 // for GENERIC DCF77 AM; see refclock.htm from the NTP software distribution. if (!refAddr.startsWith("127.127")) { try { InetAddress addr = InetAddress.getByName(refAddr); String name = addr.getHostName(); if (name != null && !name.equals(refAddr)) refName = name; } catch (UnknownHostException e) { // some stratum-2 servers sync to ref clock device but fudge stratum level higher... (e.g. 2) // ref not valid host maybe it's a reference clock name? // otherwise just show the ref IP address. refName = NtpUtils.getReferenceClock(message); } } } else if (version >= 3 && (stratum == 0 || stratum == 1)) { refName = NtpUtils.getReferenceClock(message); // refname usually have at least 3 characters (e.g. GPS, WWV, LCL, etc.) } // otherwise give up on naming the beast... } if (refName != null && refName.length() > 1) refAddr += " (" + refName + ")"; TimeStamp refNtpTime = message.getReferenceTimeStamp(); // Originate Time is time request sent by client (t1) TimeStamp origNtpTime = message.getOriginateTimeStamp(); long destTime = info.getReturnTime(); long localDestTime = System.currentTimeMillis(); // Receive Time is time request received by server (t2) TimeStamp rcvNtpTime = message.getReceiveTimeStamp(); // Transmit time is time reply sent by server (t3) TimeStamp xmitNtpTime = message.getTransmitTimeStamp(); // Destination time is time reply received by client (t4) TimeStamp destNtpTime = TimeStamp.getNtpTime(destTime); info.computeDetails(); // compute offset/delay if not already done Long offsetValue = info.getOffset(); Long delayValue = info.getDelay(); String delay = (delayValue == null) ? "N/A" : delayValue.toString(); String offset = (offsetValue == null) ? "N/A" : offsetValue.toString(); clockOffset = offsetValue != null ? offsetValue.longValue() : 0L; Log.i(TAG, " Reference Identifier:\t" + refAddr); Log.i(TAG, " Reference Timestamp:\t" + refNtpTime + " " + refNtpTime.toDateString()); Log.i(TAG, " Originate Timestamp:\t" + origNtpTime + " " + origNtpTime.toDateString()); Log.i(TAG, " Receive Timestamp:\t" + rcvNtpTime + " " + rcvNtpTime.toDateString()); Log.i(TAG, " Transmit Timestamp:\t" + xmitNtpTime + " " + xmitNtpTime.toDateString()); Log.i(TAG, " Destination Timestamp:\t" + destNtpTime + " " + destNtpTime.toDateString()); Log.i(TAG, " Roundtrip delay(ms)=" + delay + ", clock offset(ms)=" + offset); }
From source file:NTP_Example.java
/** * Process <code>TimeInfo</code> object and print its details. * @param info <code>TimeInfo</code> object. *///w ww. ja v a 2s. c om public static void processResponse(TimeInfo info) { NtpV3Packet message = info.getMessage(); int stratum = message.getStratum(); String refType; if (stratum <= 0) { refType = "(Unspecified or Unavailable)"; } else if (stratum == 1) { refType = "(Primary Reference; e.g., GPS)"; // GPS, radio clock, etc. } else { refType = "(Secondary Reference; e.g. via NTP or SNTP)"; } // stratum should be 0..15... System.out.println(" Stratum: " + stratum + " " + refType); int version = message.getVersion(); int li = message.getLeapIndicator(); System.out.println(" leap=" + li + ", version=" + version + ", precision=" + message.getPrecision()); System.out.println(" mode: " + message.getModeName() + " (" + message.getMode() + ")"); int poll = message.getPoll(); // poll value typically btwn MINPOLL (4) and MAXPOLL (14) System.out.println( " poll: " + (poll <= 0 ? 1 : (int) Math.pow(2, poll)) + " seconds" + " (2 ** " + poll + ")"); double disp = message.getRootDispersionInMillisDouble(); System.out.println(" rootdelay=" + numberFormat.format(message.getRootDelayInMillisDouble()) + ", rootdispersion(ms): " + numberFormat.format(disp)); int refId = message.getReferenceId(); String refAddr = NtpUtils.getHostAddress(refId); String refName = null; if (refId != 0) { if (refAddr.equals("127.127.1.0")) { refName = "LOCAL"; // This is the ref address for the Local Clock } else if (stratum >= 2) { // If reference id has 127.127 prefix then it uses its own reference clock // defined in the form 127.127.clock-type.unit-num (e.g. 127.127.8.0 mode 5 // for GENERIC DCF77 AM; see refclock.htm from the NTP software distribution. if (!refAddr.startsWith("127.127")) { try { InetAddress addr = InetAddress.getByName(refAddr); String name = addr.getHostName(); if (name != null && !name.equals(refAddr)) { refName = name; } } catch (UnknownHostException e) { // some stratum-2 servers sync to ref clock device but fudge stratum level higher... (e.g. 2) // ref not valid host maybe it's a reference clock name? // otherwise just show the ref IP address. refName = NtpUtils.getReferenceClock(message); } } } else if (version >= 3 && (stratum == 0 || stratum == 1)) { refName = NtpUtils.getReferenceClock(message); // refname usually have at least 3 characters (e.g. GPS, WWV, LCL, etc.) } // otherwise give up on naming the beast... } if (refName != null && refName.length() > 1) { refAddr += " (" + refName + ")"; } System.out.println(" Reference Identifier:\t" + refAddr); TimeStamp refNtpTime = message.getReferenceTimeStamp(); System.out.println(" Reference Timestamp:\t" + refNtpTime + " " + refNtpTime.toDateString()); // Originate Time is time request sent by client (t1) TimeStamp origNtpTime = message.getOriginateTimeStamp(); System.out.println(" Originate Timestamp:\t" + origNtpTime + " " + origNtpTime.toDateString()); long destTime = info.getReturnTime(); // Receive Time is time request received by server (t2) TimeStamp rcvNtpTime = message.getReceiveTimeStamp(); System.out.println(" Receive Timestamp:\t" + rcvNtpTime + " " + rcvNtpTime.toDateString()); // Transmit time is time reply sent by server (t3) TimeStamp xmitNtpTime = message.getTransmitTimeStamp(); System.out.println(" Transmit Timestamp:\t" + xmitNtpTime + " " + xmitNtpTime.toDateString()); // Destination time is time reply received by client (t4) TimeStamp destNtpTime = TimeStamp.getNtpTime(destTime); System.out.println(" Destination Timestamp:\t" + destNtpTime + " " + destNtpTime.toDateString()); info.computeDetails(); // compute offset/delay if not already done Long offsetValue = info.getOffset(); Long delayValue = info.getDelay(); String delay = (delayValue == null) ? "N/A" : delayValue.toString(); String offset = (offsetValue == null) ? "N/A" : offsetValue.toString(); System.out.println(" Roundtrip delay(ms)=" + delay + ", clock offset(ms)=" + offset); // offset in ms }