summaryrefslogtreecommitdiff
path: root/org/apache/commons/net/ntp/NtpUtils.java
diff options
context:
space:
mode:
Diffstat (limited to 'org/apache/commons/net/ntp/NtpUtils.java')
-rw-r--r--org/apache/commons/net/ntp/NtpUtils.java113
1 files changed, 0 insertions, 113 deletions
diff --git a/org/apache/commons/net/ntp/NtpUtils.java b/org/apache/commons/net/ntp/NtpUtils.java
deleted file mode 100644
index ca1fb41..0000000
--- a/org/apache/commons/net/ntp/NtpUtils.java
+++ /dev/null
@@ -1,113 +0,0 @@
-package org.apache.commons.net.ntp;
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-/***
- * Common NtpUtils Helper class.
- *
- * @author Jason Mathews, MITRE Corp
- *
- * @version $Revision: 489397 $ $Date: 2006-12-21 16:28:51 +0000 (Thu, 21 Dec 2006) $
- */
-public final class NtpUtils {
-
- /***
- * Returns 32-bit integer address to IPv4 address string "%d.%d.%d.%d" format.
- *
- * @param address the 32-bit address
- * @return the raw IP address in a string format.
- */
- public static String getHostAddress(int address)
- {
- return ((address >>> 24) & 0xFF) + "." +
- ((address >>> 16) & 0xFF) + "." +
- ((address >>> 8) & 0xFF) + "." +
- ((address >>> 0) & 0xFF);
- }
-
- /***
- * Returns NTP packet reference identifier as IP address.
- *
- * @param packet NTP packet
- * @return the packet reference id (as IP address) in "%d.%d.%d.%d" format.
- */
- public static String getRefAddress(NtpV3Packet packet)
- {
- int address = (packet == null) ? 0 : packet.getReferenceId();
- return getHostAddress(address);
- }
-
- /***
- * Get refId as reference clock string (e.g. GPS, WWV, LCL). If string is
- * invalid (non-ASCII character) then returns empty string "".
- * For details refer to the <A HREF="http://www.eecis.udel.edu/~mills/ntp/html/refclock.html#list">Comprehensive
- * List of Clock Drivers</A>.
- *
- * @param message
- * @return reference clock string if primary NTP server
- */
- public static String getReferenceClock(NtpV3Packet message) {
- if (message == null)
- return "";
- int refId = message.getReferenceId();
- if (refId == 0)
- return "";
- StringBuffer buf = new StringBuffer(4);
- // start at highest-order byte (0x4c434c00 -> LCL)
- for (int shiftBits = 24; shiftBits >= 0; shiftBits -= 8)
- {
- char c = (char) ((refId >>> shiftBits) & 0xff);
- if (c == 0) break; // 0-terminated ASCII string
- if (!Character.isLetterOrDigit(c))
- return "";
- buf.append(c);
- }
- return buf.toString();
- }
-
- /***
- * Return human-readable name of message mode type (RFC 1305).
- *
- * @param mode
- * @return mode name
- */
- public static String getModeName(int mode)
- {
- switch (mode) {
- case NtpV3Packet.MODE_RESERVED:
- return "Reserved";
- case NtpV3Packet.MODE_SYMMETRIC_ACTIVE:
- return "Symmetric Active";
- case NtpV3Packet.MODE_SYMMETRIC_PASSIVE:
- return "Symmetric Passive";
- case NtpV3Packet.MODE_CLIENT:
- return "Client";
- case NtpV3Packet.MODE_SERVER:
- return "Server";
- case NtpV3Packet.MODE_BROADCAST:
- return "Broadcast";
- case NtpV3Packet.MODE_CONTROL_MESSAGE:
- return "Control";
- case NtpV3Packet.MODE_PRIVATE:
- return "Private";
- default:
- return "Unknown";
- }
- }
-
-}