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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.dmaap.datarouter.node;
import java.util.regex.*;
import java.util.*;
import java.io.*;
import java.nio.file.*;
import java.text.*;
/**
* Logging for data router delivery events (PUB/DEL/EXP)
*/
public class StatusLog {
private static StatusLog instance = new StatusLog();
private HashSet<String> toship = new HashSet<String>();
private SimpleDateFormat filedate;
private String prefix = "logs/events";
private String suffix = ".log";
private String plainfile;
private String curfile;
private long nexttime;
private OutputStream os;
private long intvl;
private NodeConfigManager config = NodeConfigManager.getInstance();
{
try { filedate = new SimpleDateFormat("-yyyyMMddHHmm"); } catch (Exception e) {}
}
/**
* Parse an interval of the form xxhyymzzs and round it to the nearest whole fraction of 24 hours. If no units are specified, assume seconds.
*/
public static long parseInterval(String interval, int def) {
try {
Matcher m = Pattern.compile("(?:(\\d+)[Hh])?(?:(\\d+)[Mm])?(?:(\\d+)[Ss]?)?").matcher(interval);
if (m.matches()) {
int dur = 0;
String x = m.group(1);
if (x != null) {
dur += 3600 * Integer.parseInt(x);
}
x = m.group(2);
if (x != null) {
dur += 60 * Integer.parseInt(x);
}
x = m.group(3);
if (x != null) {
dur += Integer.parseInt(x);
}
if (dur < 60) {
dur = 60;
}
int best = 86400;
int dist = best - dur;
if (dur > best) {
dist = dur - best;
}
int base = 1;
for (int i = 0; i < 8; i++) {
int base2 = base;
base *= 2;
for (int j = 0; j < 4; j++) {
int base3 = base2;
base2 *= 3;
for (int k = 0; k < 3; k++) {
int cur = base3;
base3 *= 5;
int ndist = cur - dur;
if (dur > cur) {
ndist = dur - cur;
}
if (ndist < dist) {
best = cur;
dist = ndist;
}
}
}
}
def = best * 1000;
}
} catch (Exception e) {
}
return(def);
}
private synchronized void checkRoll(long now) throws IOException {
if (now >= nexttime) {
if (os != null) {
os.close();
os = null;
}
intvl = parseInterval(config.getEventLogInterval(), 300000);
prefix = config.getEventLogPrefix();
suffix = config.getEventLogSuffix();
nexttime = now - now % intvl + intvl;
curfile = prefix + filedate.format(new Date(nexttime - intvl)) + suffix;
plainfile = prefix + suffix;
notify();
}
}
/**
* Get the name of the current log file
* @return The full path name of the current event log file
*/
public static synchronized String getCurLogFile() {
try {
instance.checkRoll(System.currentTimeMillis());
} catch (Exception e) {
}
return(instance.curfile);
}
private synchronized void log(String s) {
try {
long now = System.currentTimeMillis();
checkRoll(now);
if (os == null) {
os = new FileOutputStream(curfile, true);
(new File(plainfile)).delete();
Files.createLink(Paths.get(plainfile), Paths.get(curfile));
}
os.write((NodeUtils.logts(new Date(now)) + '|' + s + '\n').getBytes());
os.flush();
} catch (IOException ioe) {
}
}
/**
* Log a received publication attempt.
* @param pubid The publish ID assigned by the node
* @param feedid The feed id given by the publisher
* @param requrl The URL of the received request
* @param method The method (DELETE or PUT) in the received request
* @param ctype The content type (if method is PUT and clen > 0)
* @param clen The content length (if method is PUT)
* @param srcip The IP address of the publisher
* @param user The identity of the publisher
* @param status The status returned to the publisher
*/
public static void logPub(String pubid, String feedid, String requrl, String method, String ctype, long clen, String srcip, String user, int status) {
instance.log("PUB|" + pubid + "|" + feedid + "|" + requrl + "|" + method + "|" + ctype + "|" + clen + "|" + srcip + "|" + user + "|" + status);
}
/**
* Log a data transfer error receiving a publication attempt
* @param pubid The publish ID assigned by the node
* @param feedid The feed id given by the publisher
* @param requrl The URL of the received request
* @param method The method (DELETE or PUT) in the received request
* @param ctype The content type (if method is PUT and clen > 0)
* @param clen The expected content length (if method is PUT)
* @param rcvd The content length received
* @param srcip The IP address of the publisher
* @param user The identity of the publisher
* @param error The error message from the IO exception
*/
public static void logPubFail(String pubid, String feedid, String requrl, String method, String ctype, long clen, long rcvd, String srcip, String user, String error) {
instance.log("PBF|" + pubid + "|" + feedid + "|" + requrl + "|" + method + "|" + ctype + "|" + clen + "|" + rcvd + "|" + srcip + "|" + user + "|" + error);
}
/**
* Log a delivery attempt.
* @param pubid The publish ID assigned by the node
* @param feedid The feed ID
* @param subid The (space delimited list of) subscription ID
* @param requrl The URL used in the attempt
* @param method The method (DELETE or PUT) in the attempt
* @param ctype The content type (if method is PUT, not metaonly, and clen > 0)
* @param clen The content length (if PUT and not metaonly)
* @param user The identity given to the subscriber
* @param status The status returned by the subscriber or -1 if an exeception occured trying to connect
* @param xpubid The publish ID returned by the subscriber
*/
public static void logDel(String pubid, String feedid, String subid, String requrl, String method, String ctype, long clen, String user, int status, String xpubid) {
if (feedid == null) {
return;
}
instance.log("DEL|" + pubid + "|" + feedid + "|" + subid + "|" + requrl + "|" + method + "|" + ctype + "|" + clen + "|" + user + "|" + status + "|" + xpubid);
}
/**
* Log delivery attempts expired
* @param pubid The publish ID assigned by the node
* @param feedid The feed ID
* @param subid The (space delimited list of) subscription ID
* @param requrl The URL that would be delivered to
* @param method The method (DELETE or PUT) in the request
* @param ctype The content type (if method is PUT, not metaonly, and clen > 0)
* @param clen The content length (if PUT and not metaonly)
* @param reason The reason the attempts were discontinued
* @param attempts The number of attempts made
*/
public static void logExp(String pubid, String feedid, String subid, String requrl, String method, String ctype, long clen, String reason, int attempts) {
if (feedid == null) {
return;
}
instance.log("EXP|" + pubid + "|" + feedid + "|" + subid + "|" + requrl + "|" + method + "|" + ctype + "|" + clen + "|" + reason + "|" + attempts);
}
/**
* Log extra statistics about unsuccessful delivery attempts.
* @param pubid The publish ID assigned by the node
* @param feedid The feed ID
* @param subid The (space delimited list of) subscription ID
* @param clen The content length
* @param sent The # of bytes sent or -1 if subscriber returned an error instead of 100 Continue, otherwise, the number of bytes sent before an error occurred.
*/
public static void logDelExtra(String pubid, String feedid, String subid, long clen, long sent) {
if (feedid == null) {
return;
}
instance.log("DLX|" + pubid + "|" + feedid + "|" + subid + "|" + clen + "|" + sent);
}
private StatusLog() {
}
}
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