List of usage examples for org.apache.commons.net.ntp TimeInfo getReturnTime
public long getReturnTime()
From source file:de.pawlidi.openaletheia.utils.DateTimeUtils.java
public static long getCurrentTime() { try {/* www . j a v a2 s. c om*/ NTPUDPClient timeClient = new NTPUDPClient(); InetAddress inetAddress = InetAddress.getByName("time-c.nist.gov"); TimeInfo timeInfo = timeClient.getTime(inetAddress); return timeInfo.getReturnTime(); } catch (IOException e) { // TODO: handle exception } return -1; }
From source file:com.DSC.client.SecureChannel.java
/** * Gets the date time offset for the client using a NTP server * @throws IOException // w w w . ja v a2 s . c o m */ private static long getTimeOffset() throws IOException { NTPUDPClient timeClient = new NTPUDPClient(); InetAddress inetAddress = InetAddress.getByName(NTP_SERVER); TimeInfo timeInfo = timeClient.getTime(inetAddress); return DateTimeUtils.currentTimeMillis() - timeInfo.getReturnTime(); }
From source file:com.savoycraft.util.TimeUtil.java
/** * Queries a NIST time server to get a difference between its time and the * local system time./*from ww w . jav a2 s.com*/ */ public static void calibrate() { if (System.currentTimeMillis() < lastTimeRequest + 5000 || calibrated) { return; } NTPUDPClient timeClient = new NTPUDPClient(); InetAddress inetAddress = null; try { inetAddress = InetAddress.getByName(TIME_SERVER); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); return; } TimeInfo timeInfo = null; try { timeInfo = timeClient.getTime(inetAddress); } catch (IOException e) { System.err.println("SavoyCraft could not contact time.nist.gov."); e.printStackTrace(); return; } long returnTime = timeInfo.getReturnTime(); calibration = System.currentTimeMillis() - returnTime; System.out.println(calibration); // Date time = new Date(returnTime); // System.out.println("Time from " + TIME_SERVER + ": " + time); lastTimeRequest = System.currentTimeMillis(); calibrated = true; }
From source file:com.chiorichan.util.WebUtils.java
public static Date getNTPDate() { String[] hosts = new String[] { "ntp02.oal.ul.pt", "ntp04.oal.ul.pt", "ntp.xs4all.nl" }; NTPUDPClient client = new NTPUDPClient(); // We want to timeout if a response takes longer than 5 seconds client.setDefaultTimeout(5000);/* w ww.j av a 2s.com*/ for (String host : hosts) { try { InetAddress hostAddr = InetAddress.getByName(host); // System.out.println( "> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress() ); TimeInfo info = client.getTime(hostAddr); Date date = new Date(info.getReturnTime()); return date; } catch (IOException e) { e.printStackTrace(); } } client.close(); return null; }
From source file:com.clustercontrol.port.protocol.ReachAddressNTP.java
/** * NTP????????// www .j a v a2 s. com * * @param addressText * @return NTP */ @Override protected boolean isRunning(String addressText) { m_message = ""; m_messageOrg = ""; m_response = -1; boolean isReachable = false; try { long start = 0; // long end = 0; // boolean retry = true; // ????(true:??false:???) StringBuffer bufferOrg = new StringBuffer(); // String result = ""; InetAddress address = InetAddress.getByName(addressText); bufferOrg.append("Monitoring the NTP Service of " + address.getHostName() + "[" + address.getHostAddress() + "]:" + m_portNo + ".\n\n"); NTPUDPClient client = new NTPUDPClient(); TimeInfo time = null; for (int i = 0; i < m_sentCount && retry; i++) { try { bufferOrg.append(HinemosTime.getDateString() + " Tried to Connect: "); client.setDefaultTimeout(m_timeout); start = HinemosTime.currentTimeMillis(); time = client.getTime(address, m_portNo); end = HinemosTime.currentTimeMillis(); m_response = end - start; if (time != null) { if (m_response > 0) { if (m_response < m_timeout) { result = result + ("\n" + "Response Time = " + m_response + "ms"); } else { m_response = m_timeout; result = result + ("\n" + "Response Time = " + m_response + "ms"); } } else { result = result + ("\n" + "Response Time < 1ms"); } result = new Date(time.getReturnTime()).toString(); retry = false; isReachable = true; } else { result = "failed to get time "; retry = false; isReachable = false; } } catch (SocketException e) { result = (e.getMessage() + "[SocketException]"); retry = true; isReachable = false; } catch (IOException e) { result = (e.getMessage() + "[IOException]"); retry = true; isReachable = false; } finally { bufferOrg.append(result + "\n"); if (client.isOpen()) { client.close(); } } if (i < m_sentCount - 1 && retry) { try { Thread.sleep(m_sentInterval); } catch (InterruptedException e) { break; } } } m_message = result + "(NTP/" + m_portNo + ")"; m_messageOrg = bufferOrg.toString(); return isReachable; } catch (UnknownHostException e) { m_log.debug("isRunning(): " + MessageConstant.MESSAGE_FAIL_TO_EXECUTE_TO_CONNECT.getMessage() + e.getMessage()); m_message = MessageConstant.MESSAGE_FAIL_TO_EXECUTE_TO_CONNECT.getMessage() + " (" + e.getMessage() + ")"; return false; } }
From source file:edu.tcu.gaduo.ihe.iti.ct_transaction.service.NTPClient.java
public Date processResponse(String host) { TimeInfo info = null; try {//from w w w. ja v a 2 s .c om 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. *///from ww w .ja va2s . 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 + ")"; 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 ww w . j a v a2 s. 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 + ")"; 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. *///www . j a v a2s. 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 + ")"; } 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 }
From source file:beans.NTPClient.java
/** * Process <code>TimeInfo</code> object and print its details. * /*www . java 2 s.co m*/ * @param info * <code>TimeInfo</code> object. */ 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 }