| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Matches the krb5 debug output: |
| * >>> KDCCommunication: kdc=host UDP:11555, timeout=100,Attempt =1, #bytes=138 |
| * |
| * Example: |
| * CommMatcher cm = new CommMatcher(); |
| * cm.addPort(12345).addPort(23456); |
| * for (String line : debugOutput) { |
| * if (cm.match(line)) { |
| * println("KDC: %c, %s, Timeout: %d\n", |
| * cm.kdc(), cm.protocol(), cm.timeout()); |
| * } |
| * } |
| */ |
| public class CommMatcher { |
| |
| static final Pattern re = Pattern.compile( |
| ">>> KDCCommunication: kdc=\\S+ (TCP|UDP):(\\d+), " + |
| "timeout=(\\d+),Attempt\\s*=(\\d+)"); |
| |
| List<Integer> kdcPorts = new ArrayList<>(); |
| Matcher matcher; |
| |
| /** |
| * Add KDC ports one by one. The 1st KDC will be 'a' in {@link #kdc()}, |
| * 2nd is 'b', etc, etc. |
| */ |
| public CommMatcher addPort(int port) { |
| if (port > 0) { |
| kdcPorts.add(port); |
| } else { |
| kdcPorts.clear(); |
| } |
| return this; |
| } |
| |
| public boolean match(String line) { |
| matcher = re.matcher(line); |
| return matcher.find(); |
| } |
| |
| public String protocol() { |
| return matcher.group(1); |
| } |
| |
| public char kdc() { |
| int port = Integer.parseInt(matcher.group(2)); |
| return (char)(kdcPorts.indexOf(port) + 'a'); |
| } |
| |
| public int timeout() { |
| return BadKdc.toSymbolicSec(Integer.parseInt(matcher.group(3))); |
| } |
| |
| public int attempt() { |
| return Integer.parseInt(matcher.group(4)); |
| } |
| } |