VbsStatistics

java.lang.Object
- vbsStatistics.VbsStatistics

```
public class VbsStatistics
extends java.lang.Object
```
The class VbsStatistics is responsible for generating statistics from flows contained in the MySQL database.

It is intended to run in its own thread. Charts are drawn using JFreeChart http://www.jfree.org/jfreechart/

Author:

Tomasz Bujlow (tbu@es.aau.dk)

Field Summary

Fields
Modifier and Type	Field and Description
`private static java.util.Hashtable<java.lang.Long,java.lang.String>`	`appMatch` Used to match particular flows with the application class (flow identifier -> application class).
`private static java.util.Hashtable<java.lang.String,java.lang.String>`	`contentMatch` Used to match particular HTTP content type with the application class (HTTP content type -> application class).
`private static boolean`	`drawCPUUsageStatistics` Flag telling if we should draw statistics of the CPU usage by particular clients on charts.
`private static boolean`	`drawTrafficStatistics` Flag telling if we should draw statistics of the traffic on charts.
`private static boolean`	`extractFromDatabase` Flag telling if we should extract the data from the database to external text files.
`private static int`	`flowLength` Flows (or subflows) having lesss then `flowLength` packets will not be taken into account when calculating statistics.
`private static boolean`	`getContentProfiles` Flag telling if we should process the external text files in order to obtain statistics for each type of the traffic separately.
`private static boolean`	`getTrafficStatisticsPerclient` Flag telling if we should get statistics for the traffic split by particular clients.
`private static java.io.PrintWriter`	`http` Used to write text lines to the file containing statistics for HTTP flows only.
`private static int`	`limitDown` Variable assigning one of the values from the `limitsDown` list.
`private static int[]`	`limitsDown` List of limits used to define the `web` traffic.
`private static int[]`	`limitsUp` List of limits used to define the `file` traffic.
`private static int`	`limitUp` Variable assigning one of the values from the `limitsUp` list.
`private static java.io.PrintWriter`	`nonhttp` Used to write text lines to the file containing statistics for non-HTTP flows only.
`private static boolean`	`processHttpFlows` Flag telling if we should work with flows containing HTTP content.
`private static boolean`	`processNonHttpFlows` Flag telling if we should work with flows containing non-HTTP content.
`private static java.io.PrintWriter`	`report` Used to write text lines to the report file.
`private static java.sql.ResultSet`	`rs` SQL result set.
`private static java.sql.ResultSet`	`rs2` SQL result set.
`private static java.sql.ResultSet`	`rs3` SQL result set.
`private static java.sql.Statement`	`stmt` SQL statement.
`private static java.sql.Statement`	`stmt2` SQL statement.
`private static java.sql.Statement`	`stmt3` SQL statement.
`private static StatisticsFlow`	`webFlow` The `WebFlow` is a big subflow, which consists of many web subflows withing one transport layer flow.

Constructor Summary

Constructors
Constructor and Description

VbsStatistics()

Constructors
Constructor and Description
`VbsStatistics()`

Method Summary

Methods
Modifier and Type	Method and Description
`private static double[]`	`convertArrayListToArray(java.util.ArrayList<java.lang.Double> list)` Converts the `ArrayList` of Doubles to an `Array`.
`private static void`	`drawCPUUsageByClientsStatistics()` Draws charts with visualization of the CPU usage by particular clients
`private static void`	`drawTrafficClassesStatistics()` Draws charts with visualization of the network traffic of some statistical parameters.
`private static void`	`extractInformationFromDatabase()` Extracts data from the MySQL database.
`private static void`	`getTrafficStatisticsPerclientFunc()` Gets traffic statistics for particular clients
`private static void`	`handleHttpSubflow(StatisticsFlow newFlow)` Processes each subflow within one HTTP transport layer flow.
`private static void`	`handleWebFlow()` Processes the `webFlow`.
`static void`	`main(java.lang.String[] args)` Main method of the statistic generator.
`private static void`	`obtainContentProfiles()` Obtains separate files with statistics for each application type.
`private static void`	`processAsHttpFlow()` Processes the flow as an HTTP flow and saves the calculated statistics in an external file.
`private static void`	`processAsNonHttpFlow()` Processes the flow as a non-HTTP flow and saves the calculated statistics in an external file.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - extractFromDatabase
```
private static boolean extractFromDatabase
```
    Flag telling if we should extract the data from the database to external text files. These files will be used by other functions of this class.
  - getContentProfiles
```
private static boolean getContentProfiles
```
    Flag telling if we should process the external text files in order to obtain statistics for each type of the traffic separately.
  - processHttpFlows
```
private static boolean processHttpFlows
```
    Flag telling if we should work with flows containing HTTP content.
  - processNonHttpFlows
```
private static boolean processNonHttpFlows
```
    Flag telling if we should work with flows containing non-HTTP content.
  - drawTrafficStatistics
```
private static boolean drawTrafficStatistics
```
    Flag telling if we should draw statistics of the traffic on charts.
  - drawCPUUsageStatistics
```
private static boolean drawCPUUsageStatistics
```
    Flag telling if we should draw statistics of the CPU usage by particular clients on charts.
  - getTrafficStatisticsPerclient
```
private static boolean getTrafficStatisticsPerclient
```
    Flag telling if we should get statistics for the traffic split by particular clients.
  - flowLength
```
private static int flowLength
```
    Flows (or subflows) having lesss then flowLength packets will not be taken into account when calculating statistics.
  - limitsDown
```
private static int[] limitsDown
```
    List of limits used to define the web traffic. HTTP flows containing less Bytes than the limit will be considered as web traffic.
  - limitsUp
```
private static int[] limitsUp
```
    List of limits used to define the file traffic. HTTP flows containing more Bytes than the limit will be considered as file traffic.
  - limitDown
```
private static int limitDown
```
    Variable assigning one of the values from the limitsDown list.
  - limitUp
```
private static int limitUp
```
    Variable assigning one of the values from the limitsUp list.
  - stmt
```
private static java.sql.Statement stmt
```
    SQL statement.
  - stmt2
```
private static java.sql.Statement stmt2
```
    SQL statement.
  - stmt3
```
private static java.sql.Statement stmt3
```
    SQL statement.
  - rs
```
private static java.sql.ResultSet rs
```
    SQL result set.
  - rs2
```
private static java.sql.ResultSet rs2
```
    SQL result set.
  - rs3
```
private static java.sql.ResultSet rs3
```
    SQL result set.
  - appMatch
```
private static java.util.Hashtable<java.lang.Long,java.lang.String> appMatch
```
    Used to match particular flows with the application class (flow identifier -> application class).
  - contentMatch
```
private static java.util.Hashtable<java.lang.String,java.lang.String> contentMatch
```
    Used to match particular HTTP content type with the application class (HTTP content type -> application class).
  - report
```
private static java.io.PrintWriter report
```
    Used to write text lines to the report file.
  - http
```
private static java.io.PrintWriter http
```
    Used to write text lines to the file containing statistics for HTTP flows only.
  - nonhttp
```
private static java.io.PrintWriter nonhttp
```
    Used to write text lines to the file containing statistics for non-HTTP flows only.
  - webFlow
```
private static StatisticsFlow webFlow
```
    The WebFlow is a big subflow, which consists of many web subflows withing one transport layer flow.
- Constructor Detail
  - VbsStatistics
```
public VbsStatistics()
```
- Method Detail
  - main
```
public static void main(java.lang.String[] args)
```
    Main method of the statistic generator.
    
    Parameters:
    args - program arguments, not supported by the program
  - extractInformationFromDatabase
```
private static void extractInformationFromDatabase()
                                            throws java.lang.Exception
```
    Extracts data from the MySQL database. Each flow will be processed later as an HTTP or non-HTTP flows based on if it contains any HTTP content type or not.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - processAsNonHttpFlow
```
private static void processAsNonHttpFlow()
                                  throws java.lang.Exception
```
    Processes the flow as a non-HTTP flow and saves the calculated statistics in an external file.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - processAsHttpFlow
```
private static void processAsHttpFlow()
                               throws java.lang.Exception
```
    Processes the flow as an HTTP flow and saves the calculated statistics in an external file.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - handleHttpSubflow
```
private static void handleHttpSubflow(StatisticsFlow newFlow)
                               throws java.lang.Exception
```
    Processes each subflow within one HTTP transport layer flow.
    
    Parameters:
    newFlow - the HTTP subflow
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - handleWebFlow
```
private static void handleWebFlow()
                           throws java.lang.Exception
```
    Processes the webFlow.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - obtainContentProfiles
```
private static void obtainContentProfiles()
                                   throws java.lang.Exception
```
    Obtains separate files with statistics for each application type.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - drawTrafficClassesStatistics
```
private static void drawTrafficClassesStatistics()
                                          throws java.lang.Exception
```
    Draws charts with visualization of the network traffic of some statistical parameters.
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - drawCPUUsageByClientsStatistics
```
private static void drawCPUUsageByClientsStatistics()
                                             throws java.lang.Exception
```
    Draws charts with visualization of the CPU usage by particular clients
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - getTrafficStatisticsPerclientFunc
```
private static void getTrafficStatisticsPerclientFunc()
                                               throws java.lang.Exception
```
    Gets traffic statistics for particular clients
    
    Throws:
    
    java.lang.Exception - if any exception occurs
  - convertArrayListToArray
```
private static double[] convertArrayListToArray(java.util.ArrayList<java.lang.Double> list)
                                         throws java.lang.Exception
```
    Converts the ArrayList of Doubles to an Array.
    
    Parameters:
    list - the ArrayList object to be converted to an Array object
    
    Returns:
    an Array object
    
    Throws:
    
    java.lang.Exception - if any exception occurs

Class VbsStatistics

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

extractFromDatabase

getContentProfiles

processHttpFlows

processNonHttpFlows

drawTrafficStatistics

drawCPUUsageStatistics

getTrafficStatisticsPerclient

flowLength

limitsDown

limitsUp

limitDown

limitUp

stmt

stmt2

stmt3

rs

rs2

rs3

appMatch

contentMatch

report

http

nonhttp

webFlow

Constructor Detail

VbsStatistics

Method Detail

main

extractInformationFromDatabase

processAsNonHttpFlow

processAsHttpFlow

handleHttpSubflow

handleWebFlow

obtainContentProfiles

drawTrafficClassesStatistics

drawCPUUsageByClientsStatistics

getTrafficStatisticsPerclientFunc

convertArrayListToArray