From 029a9f563d2c62669523bd48070e5eaab199cae8 Mon Sep 17 00:00:00 2001
From: "Christian P. MOMON" <christian.momon@devinsy.fr>
Date: Thu, 18 Feb 2021 05:33:27 +0100
Subject: [PATCH] Added code for http log analyze.

---
 .../statoolinfos/core/Configuration.java      |  77 ++++-
 .../htmlize/probes/HttpAccessLogAnalyzer.java | 302 ++++++++++--------
 ...gProber.java => HttpErrorLogAnalyzer.java} | 160 +++++-----
 .../statoolinfos/htmlize/probes/HttpLog.java  |  35 +-
 .../htmlize/probes/HttpLogIterator.java       |   2 +-
 .../htmlize/probes/IpCounters.java            | 116 +++++++
 .../htmlize/probes/LineIterator.java          |  11 +-
 .../htmlize/probes/PathCounter.java           |  27 +-
 .../htmlize/probes/PathCounters.java          |   2 +-
 .../statoolinfos/htmlize/probes/Prober.java   |  86 +++--
 .../statoolinfos/htmlize/probes/TimeMark.java | 171 ++++++++++
 .../htmlize/probes/TimeMarkUtils.java         | 254 +++++++++++++++
 .../statoolinfos/htmlize/probes/Visit.java    | 248 ++++++++++++++
 .../htmlize/probes/VisitCounter.java          | 145 +++++++++
 .../htmlize/probes/VisitCounters.java         | 167 ++++++++++
 .../statoolinfos/htmlize/probes/Visits.java   | 209 ++++++++++++
 16 files changed, 1736 insertions(+), 276 deletions(-)
 rename src/fr/devinsy/statoolinfos/htmlize/probes/{HttpErrorLogProber.java => HttpErrorLogAnalyzer.java} (52%)
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/IpCounters.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/TimeMark.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/TimeMarkUtils.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/Visit.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounter.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounters.java
 create mode 100644 src/fr/devinsy/statoolinfos/htmlize/probes/Visits.java

diff --git a/src/fr/devinsy/statoolinfos/core/Configuration.java b/src/fr/devinsy/statoolinfos/core/Configuration.java
index cfa5157..b8d82a7 100644
--- a/src/fr/devinsy/statoolinfos/core/Configuration.java
+++ b/src/fr/devinsy/statoolinfos/core/Configuration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
+ * Copyright (C) 2020-2021 Christian Pierre MOMON <christian@momon.org>
  * 
  * This file is part of StatoolInfos, simple service statistics tool.
  * 
@@ -25,6 +25,7 @@ import org.apache.commons.lang3.StringUtils;
 import fr.devinsy.statoolinfos.crawl.CrawlCache;
 import fr.devinsy.statoolinfos.properties.PathProperties;
 import fr.devinsy.statoolinfos.properties.PathPropertyList;
+import fr.devinsy.strings.StringList;
 
 /**
  * The Class PathProperty.
@@ -346,6 +347,80 @@ public class Configuration extends PathPropertyList
         return result;
     }
 
+    /**
+     * Gets the probe http access log file.
+     *
+     * @return the probe http access log file
+     */
+    public String getProbeHttpAccessLogSource()
+    {
+        String result;
+
+        result = get("conf.probe.httpaccesslog.file");
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the probe http error log source.
+     *
+     * @return the probe http error log source
+     */
+    public String getProbeHttpErrorLogSource()
+    {
+        String result;
+
+        result = get("conf.probe.httperrorlog.file");
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the probe target.
+     *
+     * @return the probe target
+     */
+    public File getProbeTarget()
+    {
+        File result;
+
+        String filename = get("conf.probe.target");
+        if (StringUtils.isBlank(filename))
+        {
+            result = null;
+        }
+        else
+        {
+            result = new File(filename);
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the probe types.
+     *
+     * @return the probe types
+     */
+    public StringList getProbeTypes()
+    {
+        StringList result;
+
+        result = new StringList();
+
+        String types = get("conf.probe.types");
+        if (!StringUtils.isBlank(types))
+        {
+            result.append(types.split("[, ;]"));
+        }
+
+        //
+        return result;
+    }
+
     /**
      * Checks for valid cache.
      *
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpAccessLogAnalyzer.java b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpAccessLogAnalyzer.java
index 93f73fc..c9215b4 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpAccessLogAnalyzer.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpAccessLogAnalyzer.java
@@ -18,18 +18,14 @@
  */
 package fr.devinsy.statoolinfos.htmlize.probes;
 
-import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -45,62 +41,42 @@ public class HttpAccessLogAnalyzer
 
     public static final String DEFAULT_CHARSET_NAME = "UTF-8";
 
+    private int errorCount;
+    private PathCounters counters;
+    private VisitCounters visits;
+    private IpCounters ips;
+    private IpCounters ipv4;
+    private IpCounters ipv6;
+
     /**
      * Instantiates a new http access log prober.
      */
-    private HttpAccessLogAnalyzer()
+    public HttpAccessLogAnalyzer()
     {
+        this.counters = new PathCounters();
+        this.visits = new VisitCounters();
+        this.ips = new IpCounters();
+        this.ipv4 = new IpCounters();
+        this.ipv6 = new IpCounters();
     }
 
     /**
-     * Parses the log.
+     * Gets the counters.
      *
-     * @param line
-     *            the line
-     * @return the http log
+     * @return the counters
      */
-    public static HttpLog parseLog(final String line)
+    public PathCounters getCounters()
     {
-        HttpLog result;
+        PathCounters result;
 
-        //
-        // log_format combined '$remote_addr - $remote_user [$time_local] '
-        // '"$request" $status $body_bytes_sent '
-        // '"$http_referer" "$http_user_agent"';
-        String remoteAddressPattern = "(?<remoteAddress>[a-zA-F0-9\\\\:\\\\.]+)";
-        String remoteUserPattern = "(?<remoteUser>\\S+)";
-        String timePattern = "(?<time>[^\\]]+)";
-        String requestPattern = "(?<request>[^\"]*)";
-        String statusPattern = "(?<status>\\d+)";
-        String bodyBytesSentPattern = "(?<bodyBytesSent>\\d+)";
-        String refererPattern = "(?<referer>[^\"]*)";
-        String httpUserAgentPattern = "(?<httpUserAgent>[^\"]*)";
+        result = new PathCounters();
+        result.putAll(this.counters);
 
-        String combinedPattern = String.format("^%s - %s \\[%s\\] \"%s\" %s %s \"%s\" \"%s\".*$",
-                remoteAddressPattern, remoteUserPattern, timePattern, requestPattern, statusPattern, bodyBytesSentPattern,
-                refererPattern, httpUserAgentPattern);
+        result.putAll(this.ips.getCounters("metrics.http.ip"));
+        result.putAll(this.ipv4.getCounters("metrics.http.ip.ipv4"));
+        result.putAll(this.ipv6.getCounters("metrics.http.ip.ipv6"));
 
-        // logger.info("pattern=[{}]", combinedPattern);
-
-        Pattern combined = Pattern.compile(combinedPattern);
-
-        Matcher matcher = combined.matcher(line);
-        if (matcher.matches())
-        {
-            result = new HttpLog();
-            result.setRemoteAddress(matcher.group("remoteAddress"));
-            result.setRemoteUser(matcher.group("remoteUser"));
-            result.setTime(LocalDateTime.parse(matcher.group("time"), DateTimeFormatter.ofPattern("dd/MMM/yyyy:HH:mm:ss Z").withLocale(Locale.ENGLISH)));
-            result.setRequest(matcher.group("request"));
-            result.setStatus(HttpStatusTable.instance().get(matcher.group("status")));
-            result.setBodyBytesSent(Long.valueOf(matcher.group("bodyBytesSent")));
-            result.setReferer(matcher.group("referer"));
-            result.setHttpUserAgent(new UserAgent(matcher.group("httpUserAgent")));
-        }
-        else
-        {
-            result = null;
-        }
+        result.putAll(this.visits.getCounters("metrics.http.visits"));
 
         //
         return result;
@@ -109,86 +85,31 @@ public class HttpAccessLogAnalyzer
     /**
      * Probe.
      *
-     * @param source
-     *            the source
-     * @param target
-     *            the target
+     * @param file
+     *            the file
      * @throws IOException
      *             Signals that an I/O exception has occurred.
      * @throws StatoolInfosException
      *             the statool infos exception
      */
-    public static PathCounters probe(final File source, final File target) throws IOException, StatoolInfosException
+    public void probe(final File file) throws IOException
     {
-        PathCounters result = new PathCounters();
-
-        int errorCount = 0;
-        for (File file : source.getParentFile().listFiles())
+        LineIterator iterator = new LineIterator(file);
+        while (iterator.hasNext())
         {
-            // if (file.getName().startsWith(source.getName()))
-            if (file.getName().equals(source.getName()))
+            String line = iterator.next();
+
+            try
             {
-                errorCount += probe(result, source);
+                probeLine(line);
+            }
+            catch (Exception exception)
+            {
+                logger.warn("Error parsing line [{}][{}]", line, exception.getMessage());
+                exception.printStackTrace();
+                this.errorCount += 1;
             }
         }
-
-        //
-        return result;
-    }
-
-    /**
-     * Probe.
-     *
-     * @param source
-     *            the source
-     * @param counters
-     *            the counters
-     * @throws IOException
-     *             Signals that an I/O exception has occurred.
-     * @throws StatoolInfosException
-     *             the statool infos exception
-     */
-    public static int probe(final PathCounters counters, final File source) throws IOException, StatoolInfosException
-    {
-        int result;
-
-        BufferedReader in = null;
-        try
-        {
-            result = 0;
-            in = new BufferedReader(new InputStreamReader(new FileInputStream(source), DEFAULT_CHARSET_NAME));
-
-            boolean ended = false;
-            while (!ended)
-            {
-                String line = in.readLine();
-
-                if (line == null)
-                {
-                    ended = true;
-                }
-                else if (StringUtils.isNotEmpty(line))
-                {
-                    try
-                    {
-                        probe(counters, line);
-
-                    }
-                    catch (Exception exception)
-                    {
-                        exception.printStackTrace();
-                        result += 1;
-                    }
-                }
-            }
-        }
-        finally
-        {
-            IOUtils.closeQuietly(in);
-        }
-
-        //
-        return result;
     }
 
     /**
@@ -199,9 +120,10 @@ public class HttpAccessLogAnalyzer
      * @param line
      *            the line
      */
-    public static void probe(final PathCounters counters, final String line)
+    public void probeLine(final String line)
     {
-        HttpLog log = parseLog(line);
+
+        HttpLog log = parseNginxCombinedLog(line);
 
         // logger.info("==================");
         if (log == null)
@@ -220,64 +142,174 @@ public class HttpAccessLogAnalyzer
             String date = log.getDate();
 
             // metrics.http.hits
-            counters.inc("metrics.http.hits", year, yearMonth, yearWeek, date);
+            this.counters.inc("metrics.http.hits", year, yearMonth, yearWeek, date);
 
             if (log.isIPv4())
             {
-                counters.inc("metrics.http.hits.ipv4", year, yearMonth, yearWeek, date);
+                this.counters.inc("metrics.http.hits.ipv4", year, yearMonth, yearWeek, date);
             }
             else
             {
-                counters.inc("metrics.http.hits.ipv6", year, yearMonth, yearWeek, date);
+                this.counters.inc("metrics.http.hits.ipv6", year, yearMonth, yearWeek, date);
             }
 
             // metrics.http.files
             if (log.getBodyBytesSent() != 0)
             {
-                counters.inc("metrics.http.file", year, yearMonth, yearWeek, date);
+                this.counters.inc("metrics.http.file", year, yearMonth, yearWeek, date);
             }
 
             // metrics.http.bytes
-            counters.inc(log.getBodyBytesSent(), "metrics.http.bytes", year, yearMonth, yearWeek, date);
+            this.counters.inc(log.getBodyBytesSent(), "metrics.http.bytes", year, yearMonth, yearWeek, date);
 
             // metrics.http.hits.bots.* =
             if (log.isBot())
             {
-                counters.inc("metrics.http.hits.bots", year, yearMonth, yearWeek, date);
+                this.counters.inc("metrics.http.hits.bots", year, yearMonth, yearWeek, date);
             }
 
             // metrics.http.pages.* =
             if (StringUtils.endsWithAny(log.getRequest(), ".html", ".htm", ".xhtml", ".cgi"))
             {
-                counters.inc("metrics.http.pages", year, yearMonth, yearWeek, date);
+                this.counters.inc("metrics.http.pages", year, yearMonth, yearWeek, date);
             }
 
             // metrics.http.status.XXX
             String status = String.valueOf(log.getStatus().getCode());
-            counters.inc("metrics.http.status." + status, year, yearMonth, yearWeek, date);
+            this.counters.inc("metrics.http.status." + status, year, yearMonth, yearWeek, date);
 
             // metrics.http.os.XXXXX
-            UserAgentOS os = log.getHttpUserAgent().getOS();
-            counters.inc("metrics.http.browsers." + os.toString().toLowerCase(), year, yearMonth, yearWeek, date);
+            UserAgentOS os = log.getUserAgent().getOS();
+            this.counters.inc("metrics.http.browsers." + os.toString().toLowerCase(), year, yearMonth, yearWeek, date);
 
             // metrics.http.browsers.XXXXX
-            UserAgentBrowser browser = log.getHttpUserAgent().getBrowser();
-            counters.inc("metrics.http.browsers." + browser.toString().toLowerCase(), year, yearMonth, yearWeek, date);
+            UserAgentBrowser browser = log.getUserAgent().getBrowser();
+            this.counters.inc("metrics.http.browsers." + browser.toString().toLowerCase(), year, yearMonth, yearWeek, date);
 
             // metrics.http.devices.XXXXX =
-            UserAgentDevice device = log.getHttpUserAgent().getDevice();
-            counters.inc("metrics.http.devices." + device.toString().toLowerCase(), year, yearMonth, yearWeek, date);
-
-            // metrics.http.countries.XX =
+            UserAgentDevice device = log.getUserAgent().getDevice();
+            this.counters.inc("metrics.http.devices." + device.toString().toLowerCase(), year, yearMonth, yearWeek, date);
 
             // metrics.http.ip.* =
             // metrics.http.ip.ipv4.* =
             // metrics.http.ip.ipv6.* =
+            this.ips.put(log.getRemoteAddress(), year, yearMonth, yearWeek, date);
+            if (log.isIPv4())
+            {
+                this.ipv4.put(log.getRemoteAddress(), year, yearMonth, yearWeek, date);
+            }
+            else
+            {
+                this.ipv6.put(log.getRemoteAddress(), year, yearMonth, yearWeek, date);
+            }
 
             // metrics.http.visits.* =
+            this.visits.putVisit(log);
+            this.visits.storeTimeMarks(year, yearMonth, yearWeek, date);
+
+            // metrics.http.countries.XX =
 
             // metrics.http.errors.* =
             // metrics.http.errors.php.* =
         }
     }
+
+    /**
+     * Parses the log.
+     *
+     * @param line
+     *            the line
+     * @return the http log
+     */
+    public static HttpLog parseNginxCombinedLog(final String line)
+    {
+        HttpLog result;
+
+        // log_format combined '$remote_addr - $remote_user [$time_local] '
+        // '"$request" $status $body_bytes_sent '
+        // '"$http_referer" "$http_user_agent"';
+        String combinedPattern = "^(?<remoteAddress>[a-zA-F0-9\\\\:\\\\.]+) - (?<remoteUser>\\S+) \\[(?<time>[^\\]]+)\\] \"(?<request>[^\"]*)\" (?<status>\\d+) (?<bodyBytesSent>\\d+) \"(?<referer>[^\"]*)\" \"(?<userAgent>[^\"]*)\".*$";
+
+        result = parseLog(line, combinedPattern);
+
+        //
+        return result;
+    }
+
+    /**
+     * Parses the log.
+     *
+     * @param line
+     *            the line
+     * @return the http log
+     */
+    public static HttpLog parseLog(final String line, final String pattern)
+    {
+        HttpLog result;
+
+        Pattern combined = Pattern.compile(pattern);
+
+        Matcher matcher = combined.matcher(line);
+        if (matcher.matches())
+        {
+            result = new HttpLog();
+            result.setRemoteAddress(matcher.group("remoteAddress"));
+            result.setRemoteUser(matcher.group("remoteUser"));
+            result.setTime(LocalDateTime.parse(matcher.group("time"), DateTimeFormatter.ofPattern("dd/MMM/yyyy:HH:mm:ss Z").withLocale(Locale.ENGLISH)));
+            result.setRequest(matcher.group("request"));
+            result.setStatus(HttpStatusTable.instance().get(matcher.group("status")));
+            result.setBodyBytesSent(Long.valueOf(matcher.group("bodyBytesSent")));
+            result.setReferer(matcher.group("referer"));
+            result.setUserAgent(new UserAgent(matcher.group("userAgent")));
+        }
+        else
+        {
+            result = null;
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Probe.
+     *
+     * @param source
+     *            the source
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     * @throws StatoolInfosException
+     *             the statool infos exception
+     */
+    public static PathCounters probe(final String source) throws IOException, StatoolInfosException
+    {
+        PathCounters result;
+
+        HttpAccessLogAnalyzer analyzer = new HttpAccessLogAnalyzer();
+
+        if (!StringUtils.isBlank(source))
+        {
+            if (source.endsWith("*"))
+            {
+                for (File file : new File(source).getParentFile().listFiles())
+                {
+                    // if (file.getName().startsWith(source.getName()))
+                    if (file.getName().equals(source))
+                    {
+                        analyzer.probe(file);
+                    }
+                }
+            }
+            else
+            {
+                File file = new File(source);
+                analyzer.probe(file);
+            }
+        }
+
+        result = analyzer.getCounters();
+
+        //
+        return result;
+    }
 }
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogProber.java b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogAnalyzer.java
similarity index 52%
rename from src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogProber.java
rename to src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogAnalyzer.java
index e81657c..0208a9f 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogProber.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpErrorLogAnalyzer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
+ * Copyright (C) 2020-2021 Christian Pierre MOMON <christian@momon.org>
  * 
  * This file is part of StatoolInfos, simple service statistics tool.
  * 
@@ -18,16 +18,12 @@
  */
 package fr.devinsy.statoolinfos.htmlize.probes;
 
-import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Locale;
 
-import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -35,86 +31,68 @@ import org.slf4j.LoggerFactory;
 import fr.devinsy.statoolinfos.core.StatoolInfosException;
 
 /**
- * The Class HttpErrorLogProber.
+ * The Class HttpErrorLogAnalyzer.
  */
-public class HttpErrorLogProber
+public class HttpErrorLogAnalyzer
 {
-    private static Logger logger = LoggerFactory.getLogger(HttpErrorLogProber.class);
+    private static Logger logger = LoggerFactory.getLogger(HttpErrorLogAnalyzer.class);
 
     public static final String DEFAULT_CHARSET_NAME = "UTF-8";
 
+    private PathCounters counters;
+    private int errorCount;
+
     /**
-     * Instantiates a new http error log prober.
+     * Instantiates a new http error log analyzer.
      */
-    private HttpErrorLogProber()
+    public HttpErrorLogAnalyzer()
     {
+        this.counters = new PathCounters();
+        this.errorCount += 1;
+    }
+
+    /**
+     * Gets the counters.
+     *
+     * @return the counters
+     */
+    public PathCounters getCounters()
+    {
+        PathCounters result;
+
+        result = new PathCounters();
+        result.putAll(this.counters);
+
+        //
+        return result;
     }
 
     /**
      * Probe.
      *
-     * @param source
-     *            the source
-     * @param target
-     *            the target
+     * @param file
+     *            the file
      * @throws IOException
      *             Signals that an I/O exception has occurred.
-     * @throws StatoolInfosException
-     *             the statool infos exception
      */
-    public static void probe(final File source, final File target) throws IOException, StatoolInfosException
+    public void probe(final File file) throws IOException
     {
-        PathCounters counters;
-
-        counters = new PathCounters();
-
-        for (File file : source.getParentFile().listFiles())
+        LineIterator iterator = new LineIterator(file);
+        while (iterator.hasNext())
         {
-            if (file.getName().startsWith(source.getName()))
+            String line = iterator.next();
+
+            try
             {
-                probe(counters, source);
+                probeLine(line);
             }
-        }
-    }
-
-    /**
-     * Probe.
-     *
-     * @param source
-     *            the source
-     * @param counters
-     *            the counters
-     * @throws IOException
-     *             Signals that an I/O exception has occurred.
-     * @throws StatoolInfosException
-     *             the statool infos exception
-     */
-    public static void probe(final PathCounters counters, final File source) throws IOException, StatoolInfosException
-    {
-        BufferedReader in = null;
-        try
-        {
-            in = new BufferedReader(new InputStreamReader(new FileInputStream(source), DEFAULT_CHARSET_NAME));
-
-            boolean ended = false;
-            while (!ended)
+            catch (Exception exception)
             {
-                String line = in.readLine();
-
-                if (line == null)
-                {
-                    ended = true;
-                }
-                else if (StringUtils.isNotEmpty(line))
-                {
-                    probe(counters, line);
-                }
+                logger.warn("Error parsing line [{}][{}]", line, exception.getMessage());
+                exception.printStackTrace();
+                this.errorCount += 1;
             }
         }
-        finally
-        {
-            IOUtils.closeQuietly(in);
-        }
     }
 
     /**
@@ -125,7 +103,7 @@ public class HttpErrorLogProber
      * @param line
      *            the line
      */
-    public static void probe(final PathCounters counters, final String line)
+    public void probeLine(final String line)
     {
         //
         LocalDateTime date;
@@ -137,18 +115,52 @@ public class HttpErrorLogProber
         String week = date.format(DateTimeFormatter.ofPattern("yyyyWW", Locale.FRANCE));
         String day = date.format(DateTimeFormatter.ofPattern("yyyy-MM-dd", Locale.FRANCE));
 
-        // General HTTP access logs.
-
         // metrics.http.errors
-        counters.inc("metrics.http.errors", year);
-        counters.inc("metrics.http.errors", month);
-        counters.inc("metrics.http.errors", week);
-        counters.inc("metrics.http.errors", day);
+        this.counters.inc("metrics.http.errors", year, month, week, day);
 
-        // metrics.http.hits.ipv4
-        counters.inc("metrics.http.errors.php", year);
-        counters.inc("metrics.http.errors.php", month);
-        counters.inc("metrics.http.errors.php", week);
-        counters.inc("metrics.http.errors.php", day);
+        // metrics.http.errors.php
+    }
+
+    /**
+     * Probe.
+     *
+     * @param source
+     *            the source
+     * @return the path counters
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     * @throws StatoolInfosException
+     *             the statool infos exception
+     */
+    public static PathCounters probe(final String source) throws IOException, StatoolInfosException
+    {
+        PathCounters result;
+
+        HttpErrorLogAnalyzer analyzer = new HttpErrorLogAnalyzer();
+
+        if (!StringUtils.isBlank(source))
+        {
+            if (source.endsWith("*"))
+            {
+                for (File file : new File(source).getParentFile().listFiles())
+                {
+                    // if (file.getName().startsWith(source.getName()))
+                    if (file.getName().equals(source))
+                    {
+                        analyzer.probe(file);
+                    }
+                }
+            }
+            else
+            {
+                File file = new File(source);
+                analyzer.probe(file);
+            }
+        }
+
+        result = analyzer.getCounters();
+
+        //
+        return result;
     }
 }
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLog.java b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLog.java
index bcfb1af..52c73d9 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLog.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLog.java
@@ -46,7 +46,7 @@ public class HttpLog
     private HttpStatus status;
     private long bodyBytesSent;
     private String referer;
-    private UserAgent httpUserAgent;
+    private UserAgent userAgent;
 
     /**
      * Instantiates a new http log.
@@ -60,7 +60,7 @@ public class HttpLog
         this.status = null;
         this.bodyBytesSent = 0;
         this.referer = null;
-        this.httpUserAgent = null;
+        this.userAgent = null;
     }
 
     public long getBodyBytesSent()
@@ -78,11 +78,6 @@ public class HttpLog
         return result;
     }
 
-    public UserAgent getHttpUserAgent()
-    {
-        return this.httpUserAgent;
-    }
-
     public String getReferer()
     {
         return this.referer;
@@ -113,6 +108,11 @@ public class HttpLog
         return this.time;
     }
 
+    public UserAgent getUserAgent()
+    {
+        return this.userAgent;
+    }
+
     /**
      * Gets the year.
      *
@@ -128,7 +128,7 @@ public class HttpLog
         }
         else
         {
-            result = this.time.format(DateTimeFormatter.ofPattern("yyyy", Locale.FRANCE));
+            result = TimeMarkUtils.yearOf(this.time);
         }
 
         //
@@ -150,7 +150,7 @@ public class HttpLog
         }
         else
         {
-            result = this.time.format(DateTimeFormatter.ofPattern("yyyy-MM", Locale.FRANCE));
+            result = TimeMarkUtils.yearMonthOf(this.time);
         }
         //
         return result;
@@ -170,8 +170,7 @@ public class HttpLog
         }
         else
         {
-
-            result = this.time.format(DateTimeFormatter.ofPattern("yyyy'W'ww", Locale.FRANCE));
+            result = TimeMarkUtils.yearWeekOf(this.time);
         }
         //
         return result;
@@ -184,7 +183,7 @@ public class HttpLog
     {
         boolean result;
 
-        result = StringsUtils.containsAnyIgnoreCase(this.httpUserAgent.toString(), "bot", "monitoring");
+        result = StringsUtils.containsAnyIgnoreCase(this.userAgent.toString(), "bot", "monitoring");
 
         //
         return result;
@@ -237,11 +236,6 @@ public class HttpLog
         this.bodyBytesSent = bodyBytesSent;
     }
 
-    public void setHttpUserAgent(final UserAgent httpUserAgent)
-    {
-        this.httpUserAgent = httpUserAgent;
-    }
-
     public void setReferer(final String referer)
     {
         this.referer = referer;
@@ -272,6 +266,11 @@ public class HttpLog
         this.time = time;
     }
 
+    public void setUserAgent(final UserAgent userAgent)
+    {
+        this.userAgent = userAgent;
+    }
+
     /**
      * To string.
      *
@@ -291,7 +290,7 @@ public class HttpLog
         buffer.append("[status=").append(this.status.getCode()).append("]");
         buffer.append("[bodyBytesSent=").append(this.bodyBytesSent).append("]");
         buffer.append("[referer=").append(this.referer).append("]");
-        buffer.append("[httpUserAgent=").append(this.httpUserAgent).append("]");
+        buffer.append("[userAgent=").append(this.userAgent).append("]");
 
         result = buffer.toString();
 
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLogIterator.java b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLogIterator.java
index 6faca53..b78b656 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLogIterator.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/HttpLogIterator.java
@@ -97,7 +97,7 @@ public class HttpLogIterator
         try
         {
             String line = this.iterator.next();
-            result = HttpAccessLogAnalyzer.parseLog(line);
+            result = HttpAccessLogAnalyzer.parseNginxCombinedLog(line);
         }
         catch (Exception exception)
         {
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/IpCounters.java b/src/fr/devinsy/statoolinfos/htmlize/probes/IpCounters.java
new file mode 100644
index 0000000..9516eff
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/IpCounters.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.util.HashMap;
+
+import fr.devinsy.strings.StringSet;
+
+/**
+ * The Class IpCounters.
+ */
+public class IpCounters extends HashMap<String, StringSet>
+{
+    private static final long serialVersionUID = -1597516678500117985L;
+
+    /**
+     * Instantiates a new path counters.
+     */
+    public IpCounters()
+    {
+        super();
+    }
+
+    /**
+     * Gets the.
+     *
+     * @param path
+     *            the path
+     * @param timeMark
+     *            the time mark
+     * @return the path counter
+     */
+    public StringSet get(final String timeMark)
+    {
+        StringSet result;
+
+        result = super.get(timeMark);
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the counters.
+     *
+     * @return the counters
+     */
+    public PathCounters getCounters(final String prefix)
+    {
+        PathCounters result;
+
+        result = new PathCounters();
+
+        for (String timeMark : keySet())
+        {
+            StringSet set = get(timeMark);
+
+            result.inc(set.size(), prefix, timeMark);
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Put.
+     *
+     * @param timemark
+     *            the timemark
+     * @param ip
+     *            the ip
+     */
+    public void put(final String ip, final String timemark)
+    {
+        StringSet set = super.get(ip);
+        if (set == null)
+        {
+            set = new StringSet();
+            put(timemark, set);
+        }
+
+        set.put(ip);
+    }
+
+    /**
+     * Put.
+     *
+     * @param ip
+     *            the ip
+     * @param timeMarks
+     *            the time marks
+     */
+    public void put(final String ip, final String... timeMarks)
+    {
+        for (String timeMark : timeMarks)
+        {
+            put(ip, timeMark);
+        }
+    }
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/LineIterator.java b/src/fr/devinsy/statoolinfos/htmlize/probes/LineIterator.java
index 1927e95..360bc00 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/LineIterator.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/LineIterator.java
@@ -23,6 +23,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.util.zip.GZIPInputStream;
 
 import org.apache.commons.io.IOUtils;
 import org.slf4j.Logger;
@@ -51,7 +52,15 @@ public class LineIterator
      */
     public LineIterator(final File source) throws IOException
     {
-        this.in = new BufferedReader(new InputStreamReader(new FileInputStream(source), DEFAULT_CHARSET_NAME));
+        if (source.getName().endsWith(".gz"))
+        {
+            this.in = new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(source))));
+        }
+        else
+        {
+            this.in = new BufferedReader(new InputStreamReader(new FileInputStream(source), DEFAULT_CHARSET_NAME));
+        }
+
         this.nextLine = null;
         this.ready = false;
     }
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounter.java b/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounter.java
index 2240eb2..36d4405 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounter.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounter.java
@@ -18,8 +18,6 @@
  */
 package fr.devinsy.statoolinfos.htmlize.probes;
 
-import java.util.regex.Pattern;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -86,9 +84,22 @@ public class PathCounter
     {
         boolean result;
 
-        Pattern pattern = Pattern.compile("^\\d{4}-\\d{2}-\\d{2}$");
+        result = TimeMarkUtils.isDate(this.timeMark);
 
-        result = (pattern.matcher(this.timeMark).matches());
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year.
+     *
+     * @return true, if is year
+     */
+    public boolean isYear()
+    {
+        boolean result;
+
+        result = TimeMarkUtils.isYear(this.timeMark);
 
         //
         return result;
@@ -103,9 +114,7 @@ public class PathCounter
     {
         boolean result;
 
-        Pattern pattern = Pattern.compile("^\\d{4}$");
-
-        result = (pattern.matcher(this.timeMark).matches());
+        result = TimeMarkUtils.isYear(this.timeMark);
 
         //
         return result;
@@ -120,9 +129,7 @@ public class PathCounter
     {
         boolean result;
 
-        Pattern pattern = Pattern.compile("^\\d{4}W\\d{2}$");
-
-        result = (pattern.matcher(this.timeMark).matches());
+        result = TimeMarkUtils.isYearWeek(this.timeMark);
 
         //
         return result;
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounters.java b/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounters.java
index e5d4f46..3d12bb2 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounters.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/PathCounters.java
@@ -226,7 +226,7 @@ public class PathCounters extends HashMap<String, PathCounter>
 
         for (int week = 1; week <= weekCount; week++)
         {
-            String timeMark = String.format("%sW%02d", year, week);
+            String timeMark = String.format("%s-W%02d", year, week);
             PathCounter weekCounter = get(prefix, timeMark);
             if (weekCounter != null)
             {
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/Prober.java b/src/fr/devinsy/statoolinfos/htmlize/probes/Prober.java
index 7ae8213..f261749 100644
--- a/src/fr/devinsy/statoolinfos/htmlize/probes/Prober.java
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/Prober.java
@@ -23,7 +23,6 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 
-import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -61,46 +60,63 @@ public class Prober
      */
     public static void probe(final Configuration configuration) throws IOException, StatoolInfosException
     {
+        StringList types = configuration.getProbeTypes();
+
+        PathCounters counters = new PathCounters();
+
         //
+        if (types.containsAnyIgnoreCase("HttpAccessLog"))
         {
-            String sourceFileName = configuration.get("conf.probe.http.accesslogs.source");
-            String targetFileName = configuration.get("conf.probe.http.accesslogs.target");
+            logger.info("== Processing HttpAccessLog.");
+            String source = configuration.getProbeHttpAccessLogSource();
+            logger.info("source=[{}]", source);
 
-            logger.info("source=[{}]", sourceFileName);
-            logger.info("target=[{}]", targetFileName);
-
-            if (!StringUtils.isAllBlank(sourceFileName, targetFileName))
-            {
-                PathCounters counters = HttpAccessLogAnalyzer.probe(new File(sourceFileName), new File(targetFileName));
-
-                writeMetrics(new File(targetFileName), counters);
-
-                // for (PathCounter counter : counters.values())
-                // {
-                // logger.info(counter.getPath() + " " +
-                // counter.getTimeMark() + " " + counter.getCounter());
-                // }
-
-                {
-                    PathCounter counter = counters.get("metrics.http.hits", "2020");
-                    logger.info("counter=" + counter.getCounter());
-                    logger.info("size={}", counters.size());
-                }
-
-            }
+            PathCounters data = HttpAccessLogAnalyzer.probe(source);
+            counters.putAll(data);
         }
 
         //
-        // {
-        // String sourceFileName =
-        // configuration.get("conf.probe.httperrorlogs.source");
-        // String targetFileName =
-        // configuration.get("conf.probe.httperrorlogs.target");
-        // if (!StringUtils.isAllBlank(sourceFileName, targetFileName))
-        // {
-        // HttpErrorLogProber.probe(sourceFileName, targetFileName);
-        // }
-        // }
+        if (types.containsAnyIgnoreCase("HttpErrorLog"))
+        {
+            logger.info("== Processing HttpErrorLog.");
+            String source = configuration.getProbeHttpErrorLogSource();
+            logger.info("source=[{}]", source);
+
+            PathCounters data = HttpErrorLogAnalyzer.probe(source);
+            counters.putAll(data);
+        }
+
+        //
+        if (types.containsAnyIgnoreCase("Framadate"))
+        {
+            logger.info("== Processing Framadate.");
+            String source = configuration.getProbeHttpErrorLogSource();
+            logger.info("source=[{}]", source);
+
+            // PathCounters data = HttpErrorLogAnalyzer.probe(source);
+            // counters.putAll(data);
+        }
+
+        //
+        logger.info("== Writing.");
+        File target = configuration.getProbeTarget();
+        logger.info("target=[{}]", target);
+
+        if (target == null)
+        {
+            throw new IllegalArgumentException("Undefined target.");
+        }
+        else
+        {
+            writeMetrics(target, counters);
+        }
+
+        //
+        {
+            PathCounter counter = counters.get("metrics.http.hits", "2020");
+            logger.info("counter=" + counter.getCounter());
+            logger.info("size={}", counters.size());
+        }
     }
 
     /**
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMark.java b/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMark.java
new file mode 100644
index 0000000..842b9b4
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMark.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Locale;
+import java.util.regex.Pattern;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class TimeMark.
+ */
+public class TimeMark
+{
+    private static Logger logger = LoggerFactory.getLogger(TimeMark.class);
+
+    private String value;
+
+    /**
+     * Instantiates a new path counter.
+     *
+     * @param path
+     *            the path
+     * @param timeMark
+     *            the time mark
+     */
+    public TimeMark(final String value)
+    {
+        this.value = value;
+    }
+
+    /**
+     * Checks if is date.
+     *
+     * @return true, if is date
+     */
+    public boolean isDate()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}-\\d{2}-\\d{2}$");
+
+        result = (pattern.matcher(this.value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year mark.
+     *
+     * @return true, if is year mark
+     */
+    public boolean isYearMark()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}$");
+
+        result = (pattern.matcher(this.value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year week.
+     *
+     * @return true, if is year week
+     */
+    public boolean isYearWeek()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}W\\d{2}$");
+
+        result = (pattern.matcher(this.value).matches());
+
+        //
+        return result;
+    }
+
+    public void setValue(final String value)
+    {
+        this.value = value;
+    }
+
+    public static TimeMark dayOf(final LocalDateTime date)
+    {
+        TimeMark result;
+
+        String day = date.format(DateTimeFormatter.ofPattern("yyyy-MM-dd", Locale.FRANCE));
+        result = new TimeMark(day);
+
+        //
+        return result;
+    }
+
+    /**
+     * Month of.
+     *
+     * @param date
+     *            the date
+     * @return the time mark
+     */
+    public static TimeMark monthOf(final LocalDateTime date)
+    {
+        TimeMark result;
+
+        String month = date.format(DateTimeFormatter.ofPattern("yyyy-MM", Locale.FRANCE));
+        result = new TimeMark(month);
+
+        //
+        return result;
+    }
+
+    /**
+     * Year of.
+     *
+     * @param date
+     *            the date
+     * @return the time mark
+     */
+    public static TimeMark yearOf(final LocalDateTime date)
+    {
+        TimeMark result;
+
+        String year = date.format(DateTimeFormatter.ofPattern("yyyy", Locale.FRANCE));
+        result = new TimeMark(year);
+
+        //
+        return result;
+    }
+
+    /**
+     * Year week of.
+     *
+     * @param date
+     *            the date
+     * @return the time mark
+     */
+    public static TimeMark yearWeekOf(final LocalDateTime date)
+    {
+        TimeMark result;
+
+        String yearWeek = date.format(DateTimeFormatter.ofPattern("yyyyWW", Locale.FRANCE));
+        result = new TimeMark(yearWeek);
+
+        //
+        return result;
+    }
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMarkUtils.java b/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMarkUtils.java
new file mode 100644
index 0000000..9d10c2b
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/TimeMarkUtils.java
@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.YearMonth;
+import java.time.format.DateTimeFormatter;
+import java.util.Locale;
+import java.util.regex.Pattern;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.threeten.extra.YearWeek;
+
+/**
+ * The Class TimeMarkUtils.
+ */
+public class TimeMarkUtils
+{
+    private static Logger logger = LoggerFactory.getLogger(TimeMarkUtils.class);
+
+    private static final Pattern YEAR_PATTERN = Pattern.compile("^(?<year>\\d{4})$");
+    private static final Pattern YEAR_MONTH_PATTERN = Pattern.compile("^(?<year>\\d{4})-(?<month>\\d{2})$");
+    private static final Pattern YEAR_WEEK_PATTERN = Pattern.compile("^(?<year>\\d{4})-W(?<week>\\d{2})$");
+    private static final Pattern DATE_PATTERN = Pattern.compile("^(?<year>\\d{4})-(?<month>\\d{2})-(?<day>\\d{2})$");
+
+    /**
+     * Instantiates a new time mark utils.
+     */
+    private TimeMarkUtils()
+    {
+    }
+
+    /**
+     * Day of.
+     *
+     * @param date
+     *            the date
+     * @return the string
+     */
+    public static String dateOf(final LocalDateTime date)
+    {
+        String result;
+
+        result = date.format(DateTimeFormatter.ofPattern("yyyy-MM-dd", Locale.FRANCE));
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is date.
+     *
+     * @param value
+     *            the value
+     * @return true, if is date
+     */
+    public static boolean isDate(final String value)
+    {
+        boolean result;
+
+        result = (DATE_PATTERN.matcher(value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year mark.
+     *
+     * @param value
+     *            the value
+     * @return true, if is year mark
+     */
+    public static boolean isYear(final String value)
+    {
+        boolean result;
+
+        result = (YEAR_PATTERN.matcher(value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year month.
+     *
+     * @param value
+     *            the value
+     * @return true, if is year month
+     */
+    public static boolean isYearMonth(final String value)
+    {
+        boolean result;
+
+        result = (YEAR_MONTH_PATTERN.matcher(value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year week.
+     *
+     * @param value
+     *            the value
+     * @return true, if is year week
+     */
+    public static boolean isYearWeek(final String value)
+    {
+        boolean result;
+
+        result = (YEAR_WEEK_PATTERN.matcher(value).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Parses the date.
+     *
+     * @param value
+     *            the value
+     * @return the local date
+     */
+    public static LocalDate parseDate(final String value)
+    {
+        LocalDate result;
+
+        result = LocalDate.parse(value);
+
+        //
+        return result;
+    }
+
+    /**
+     * Parses the year.
+     *
+     * @param value
+     *            the value
+     * @return the int
+     */
+    public static int parseYear(final String value)
+    {
+        int result;
+
+        result = Integer.parseInt(value);
+
+        //
+        return result;
+    }
+
+    /**
+     * Parses the year month.
+     *
+     * @param value
+     *            the value
+     * @return the year month
+     */
+    public static YearMonth parseYearMonth(final String value)
+    {
+        YearMonth result;
+
+        result = YearMonth.parse(value);
+
+        //
+        return result;
+    }
+
+    /**
+     * Parses the year week.
+     *
+     * @param value
+     *            the value
+     * @return the year week
+     */
+    public static YearWeek parseYearWeek(final String value)
+    {
+        YearWeek result;
+
+        result = YearWeek.parse(value);
+
+        //
+        return result;
+    }
+
+    /**
+     * Month of.
+     *
+     * @param date
+     *            the date
+     * @return the string
+     */
+    public static String yearMonthOf(final LocalDateTime date)
+    {
+        String result;
+
+        result = date.format(DateTimeFormatter.ofPattern("yyyy-MM", Locale.FRANCE));
+
+        //
+        return result;
+    }
+
+    /**
+     * Year of.
+     *
+     * @param date
+     *            the date
+     * @return the string
+     */
+    public static String yearOf(final LocalDateTime date)
+    {
+        String result;
+
+        result = date.format(DateTimeFormatter.ofPattern("yyyy", Locale.FRANCE));
+
+        //
+        return result;
+    }
+
+    /**
+     * Year week of.
+     *
+     * @param date
+     *            the date
+     * @return the string
+     */
+    public static String yearWeekOf(final LocalDateTime date)
+    {
+        String result;
+
+        result = date.format(DateTimeFormatter.ofPattern("yyyy'-W'ww", Locale.FRANCE));
+
+        //
+        return result;
+    }
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/Visit.java b/src/fr/devinsy/statoolinfos/htmlize/probes/Visit.java
new file mode 100644
index 0000000..a93db69
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/Visit.java
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.YearMonth;
+import java.time.temporal.WeekFields;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.threeten.extra.YearWeek;
+
+/**
+ * The Class PathCounter.
+ */
+public class Visit
+{
+    private static Logger logger = LoggerFactory.getLogger(Visit.class);
+
+    private LocalDateTime start;
+    private LocalDateTime end;
+
+    /**
+     * Instantiates a new visit.
+     *
+     * @param start
+     *            the start
+     */
+    public Visit(final LocalDateTime start)
+    {
+        this(start, start);
+    }
+
+    /**
+     * Instantiates a new visit.
+     *
+     * @param start
+     *            the start
+     * @param end
+     *            the end
+     */
+    public Visit(final LocalDateTime start, final LocalDateTime end)
+    {
+        if (start == null)
+        {
+            throw new IllegalArgumentException("Null parameter [start].");
+        }
+        else if (end == null)
+        {
+            throw new IllegalArgumentException("Null parameter [end].");
+        }
+        else
+        {
+            this.start = start;
+            this.end = end;
+        }
+    }
+
+    public LocalDateTime getEnd()
+    {
+        return this.end;
+    }
+
+    public LocalDateTime getStart()
+    {
+        return this.start;
+    }
+
+    /**
+     * Checks if is matching.
+     *
+     * @param year
+     *            the year
+     * @return true, if is matching
+     */
+    public boolean isMatching(final int year)
+    {
+        boolean result;
+
+        if ((year >= this.start.getYear()) && (year <= this.end.getYear()))
+        {
+            result = true;
+        }
+        else
+        {
+            result = false;
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is matching.
+     *
+     * @param date
+     *            the date
+     * @return true, if is matching
+     */
+    public boolean isMatching(final LocalDate date)
+    {
+        boolean result;
+
+        if (date == null)
+        {
+            result = false;
+        }
+        else
+        {
+            LocalDate startDate = this.start.toLocalDate();
+            LocalDate endDate = this.end.toLocalDate();
+
+            if ((date.isBefore(startDate)) || (date.isAfter(endDate)))
+            {
+                result = false;
+            }
+            else
+            {
+                result = true;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is matching.
+     *
+     * @param date
+     *            the date
+     * @return true, if is matching
+     */
+    public boolean isMatching(final LocalDateTime date)
+    {
+        boolean result;
+
+        if (date == null)
+        {
+            result = false;
+        }
+        else
+        {
+            if ((date.isBefore(this.start)) || (date.isAfter(this.end)))
+            {
+                result = false;
+            }
+            else
+            {
+                result = true;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is matching.
+     *
+     * @param timemark
+     *            the timemark
+     * @return true, if is matching
+     */
+    public boolean isMatching(final YearMonth yearMonth)
+    {
+        boolean result;
+
+        if (yearMonth == null)
+        {
+            result = false;
+        }
+        else
+        {
+            YearMonth startYearMonth = YearMonth.of(this.start.getYear(), this.start.getMonth());
+            YearMonth endYearMonth = YearMonth.of(this.end.getYear(), this.end.getMonth());
+
+            if ((yearMonth.isBefore(startYearMonth)) || (yearMonth.isAfter(endYearMonth)))
+            {
+                result = false;
+            }
+            else
+            {
+                result = true;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is matching.
+     *
+     * @param year
+     *            the year
+     * @param week
+     *            the week
+     * @return true, if is matching
+     */
+    public boolean isMatching(final YearWeek yearWeek)
+    {
+        boolean result;
+
+        YearWeek startYearWeek = YearWeek.of(this.start.getYear(), this.start.get(WeekFields.ISO.weekOfYear()));
+        YearWeek endYearWeek = YearWeek.of(this.end.getYear(), this.end.get(WeekFields.ISO.weekOfYear()));
+
+        if ((yearWeek.isBefore(startYearWeek)) || (yearWeek.isAfter(endYearWeek)))
+        {
+            result = false;
+        }
+        else
+        {
+            result = true;
+        }
+
+        //
+        return result;
+    }
+
+    public void setEnd(final LocalDateTime end)
+    {
+        this.end = end;
+    }
+
+    public void setStart(final LocalDateTime start)
+    {
+        this.start = start;
+    }
+
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounter.java b/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounter.java
new file mode 100644
index 0000000..0331716
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounter.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.util.regex.Pattern;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class PathCounter.
+ */
+public class VisitCounter
+{
+    private static Logger logger = LoggerFactory.getLogger(VisitCounter.class);
+
+    private String path;
+    private String timeMark;
+    private long counter;
+
+    /**
+     * Instantiates a new path counter.
+     *
+     * @param path
+     *            the path
+     * @param timeMark
+     *            the time mark
+     */
+    public VisitCounter(final String path, final String timeMark)
+    {
+        this.path = path;
+        this.timeMark = timeMark;
+        this.counter = 0;
+    }
+
+    public long getCounter()
+    {
+        return this.counter;
+    }
+
+    public String getPath()
+    {
+        return this.path;
+    }
+
+    public String getTimeMark()
+    {
+        return this.timeMark;
+    }
+
+    /**
+     * Inc.
+     */
+    public void inc()
+    {
+        this.counter += 1;
+    }
+
+    public void inc(final long value)
+    {
+        this.counter += value;
+    }
+
+    /**
+     * Checks if is date.
+     *
+     * @return true, if is date
+     */
+    public boolean isDate()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}-\\d{2}-\\d{2}$");
+
+        result = (pattern.matcher(this.timeMark).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year mark.
+     *
+     * @return true, if is year mark
+     */
+    public boolean isYearMark()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}$");
+
+        result = (pattern.matcher(this.timeMark).matches());
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is year week.
+     *
+     * @return true, if is year week
+     */
+    public boolean isYearWeek()
+    {
+        boolean result;
+
+        Pattern pattern = Pattern.compile("^\\d{4}W\\d{2}$");
+
+        result = (pattern.matcher(this.timeMark).matches());
+
+        //
+        return result;
+    }
+
+    public void setCounter(final long counter)
+    {
+        this.counter = counter;
+    }
+
+    public void setPath(final String path)
+    {
+        this.path = path;
+    }
+
+    public void setTimeMark(final String timeMark)
+    {
+        this.timeMark = timeMark;
+    }
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounters.java b/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounters.java
new file mode 100644
index 0000000..46205aa
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/VisitCounters.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.time.LocalDate;
+import java.time.YearMonth;
+import java.util.HashMap;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.threeten.extra.YearWeek;
+
+import fr.devinsy.strings.StringSet;
+
+/**
+ * The Class VisitCounters.
+ */
+public class VisitCounters extends HashMap<String, Visits>
+{
+    private static final long serialVersionUID = 7081954620691577515L;
+
+    private static Logger logger = LoggerFactory.getLogger(VisitCounters.class);
+
+    private StringSet timeMarks;
+
+    /**
+     * Instantiates a new path counters.
+     */
+    public VisitCounters()
+    {
+        super();
+        this.timeMarks = new StringSet();
+    }
+
+    /**
+     * Compute key.
+     *
+     * @param path
+     *            the path
+     * @param timeMark
+     *            the time mark
+     * @return the string
+     */
+    public String computeKey(final HttpLog log)
+    {
+        String result;
+
+        result = String.format("%s--%s", log.getRemoteAddress(), log.getUserAgent().toString());
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the counters.
+     *
+     * @return the counters
+     */
+    public PathCounters getCounters(final String prefix)
+    {
+        PathCounters result;
+
+        result = new PathCounters();
+
+        logger.info("timemark count={}", this.timeMarks.size());
+        for (String timemark : this.timeMarks)
+        {
+            long count = 0;
+
+            if (TimeMarkUtils.isDate(timemark))
+            {
+                LocalDate date = TimeMarkUtils.parseDate(timemark);
+
+                for (Visits visits : this.values())
+                {
+                    count += visits.count(date);
+                }
+            }
+            else if (TimeMarkUtils.isYearMonth(timemark))
+            {
+                YearMonth yearMonth = TimeMarkUtils.parseYearMonth(timemark);
+                for (Visits visits : this.values())
+                {
+                    count += visits.count(yearMonth);
+                }
+            }
+            else if (TimeMarkUtils.isYearWeek(timemark))
+            {
+                YearWeek yearWeek = TimeMarkUtils.parseYearWeek(timemark);
+                for (Visits visits : this.values())
+                {
+                    count += visits.count(yearWeek);
+                }
+            }
+            else if (TimeMarkUtils.isYear(timemark))
+            {
+                int year = TimeMarkUtils.parseYear(timemark);
+                for (Visits visits : this.values())
+                {
+                    count += visits.count(year);
+                }
+            }
+
+            logger.info("timemark/count = {}/{}", timemark, count);
+
+            result.inc(count, prefix, timemark);
+        }
+
+        logger.info("visits counters [{}]", result.size());
+
+        //
+        return result;
+    }
+
+    /**
+     * Put visit.
+     *
+     * @param log
+     *            the log
+     */
+    public void putVisit(final HttpLog log)
+    {
+        if (log != null)
+        {
+            String key = computeKey(log);
+
+            Visits visits = get(key);
+            if (visits == null)
+            {
+                visits = new Visits();
+                put(key, visits);
+            }
+
+            visits.add(log.getTime());
+        }
+    }
+
+    /**
+     * Store time marks.
+     *
+     * @param timemarks
+     *            the timemarks
+     */
+    public void storeTimeMarks(final String... timemarks)
+    {
+        for (String timemark : timemarks)
+        {
+            this.timeMarks.put(timemark);
+        }
+    }
+}
diff --git a/src/fr/devinsy/statoolinfos/htmlize/probes/Visits.java b/src/fr/devinsy/statoolinfos/htmlize/probes/Visits.java
new file mode 100644
index 0000000..2f9744f
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/htmlize/probes/Visits.java
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.probes;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.YearMonth;
+import java.util.ArrayList;
+
+import org.threeten.extra.YearWeek;
+
+/**
+ * The Class Visits.
+ */
+public class Visits extends ArrayList<Visit>
+{
+    private static final long serialVersionUID = 4172108458534266440L;
+
+    private static final int BORDER_MINUTES = 30;
+
+    /**
+     * Instantiates a new visits.
+     */
+    public Visits()
+    {
+        super();
+    }
+
+    /**
+     * Adds the.
+     *
+     * @param date
+     *            the date
+     */
+    public void add(final LocalDateTime date)
+    {
+        boolean ended = false;
+        int index = 0;
+        while (!ended)
+        {
+            if (index < size())
+            {
+                Visit visit = get(index);
+
+                if (date.isBefore(visit.getStart().minusMinutes(BORDER_MINUTES)))
+                {
+                    this.add(index, new Visit(date));
+                    ended = true;
+                }
+                else if (date.isBefore(visit.getStart()))
+                {
+                    visit.setStart(date);
+                    if (index > 0)
+                    {
+                        Visit previous = get(index - 1);
+                        if (previous.getEnd().isAfter(visit.getStart().minusMinutes(BORDER_MINUTES)))
+                        {
+                            visit.setStart(previous.getStart());
+                            remove(index - 1);
+                        }
+                    }
+                    ended = true;
+                }
+                else if (date.isAfter(visit.getEnd().plusMinutes(BORDER_MINUTES)))
+                {
+                    index += 1;
+                }
+                else if (date.isAfter(visit.getEnd()))
+                {
+                    visit.setEnd(date);
+                    if (index + 1 < size())
+                    {
+                        Visit next = get(index - 1);
+                        if (next.getStart().isBefore(visit.getEnd().plusMinutes(BORDER_MINUTES)))
+                        {
+                            visit.setEnd(next.getEnd());
+                            remove(index + 1);
+                        }
+                    }
+                    ended = true;
+                }
+                else
+                {
+                    // Matching visit case.
+                    ended = true;
+                }
+            }
+            else
+            {
+                add(new Visit(date));
+                ended = true;
+            }
+        }
+    }
+
+    /**
+     * Count.
+     *
+     * @param year
+     *            the year
+     * @return the long
+     */
+    public long count(final int year)
+    {
+        long result;
+
+        result = 0;
+        for (Visit visit : this)
+        {
+            if (visit.isMatching(year))
+            {
+                result += 1;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Count.
+     *
+     * @param date
+     *            the date
+     * @return the long
+     */
+    public long count(final LocalDate date)
+    {
+        long result;
+
+        result = 0;
+        for (Visit visit : this)
+        {
+            if (visit.isMatching(date))
+            {
+                result += 1;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Count.
+     *
+     * @param yearMonth
+     *            the year month
+     * @return the long
+     */
+    public long count(final YearMonth yearMonth)
+    {
+        long result;
+
+        result = 0;
+        for (Visit visit : this)
+        {
+            if (visit.isMatching(yearMonth))
+            {
+                result += 1;
+            }
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Count.
+     *
+     * @param year
+     *            the year
+     * @param week
+     *            the week
+     * @return the long
+     */
+    public long count(final YearWeek yearWeek)
+    {
+        long result;
+
+        result = 0;
+        for (Visit visit : this)
+        {
+            if (visit.isMatching(yearWeek))
+            {
+                result += 1;
+            }
+        }
+
+        //
+        return result;
+    }
+}