Files Organization

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The general structure of HSYCO’s main directory is shown in the following diagram.


Installation File Organization.png


hsyco/access.ini

This file contains the information corresponding to the users’ PIN/PUK access codes. This file can be manually modified to create or delete a PIN code, though it is usually modified through the users management pages in the HSYCO Web interface. It is also updated by HSYCO after every access, showing the time and the IP address of the last access and the number of access errors made by every user.

In order to guarantee the highest security, the access.ini file must be treated as a secret document (though the content of access.ini is partly encrypted, it is theoretically possible to retrieve the PIN and PUK codes with special decryption procedures.), avoiding copying or sending it via not-secure systems and restricting any access by unauthorized subjects.

hsyco/acl.ini

This file is used to define server-side access control lists for Web-based user commands. The optional acl.ini file defines the rules to allow or reject commands.

See the Access Control List section for additional information.

hsyco/console.log

console.log is a system log file. It contains information and error messages generated by the operating system or by the Java Virtual Machine.

For example, the following message: 

Exception in thread "main" java.lang.NoClassDefFoundError: com/hsyco/OpenWebNetMonitor
at com.hsyco.hsyco.main(hsyco.java:4794)
Caused by: java.lang.ClassNotFoundException: com.hsyco.OpenWebNetMonitor

suggests that one of the HSYCO Java libraries is missing. This file is therefore useful in the testing stage or during the development of an additional Java component, while it does not provide any relevant information about the normal execution of the HSYCO software.

hsyco/hsyco.ini

This is the main configuration file, containing all HSYCO configuration parameters. It is fully described in the Configuration chapter. Any change to this file causes the automatic restart of HSYCO after a few seconds.

hsyco/hsyco.jar

This file contains all the components of the HSYCO software. In order to update HSYCO SERVER to a newer version, you replace this file with a new one, containing the whole code and the resources of the software in a compressed format. Any change to this file causes the automatic restart of HSYCO after a few seconds.

hsyco/hsyco.keys

This file contains the SSL certificate for the HTTPS web traffic cryptography. When HSYCO is started, if the file is not available, a new SSL certificate is automatically generated according to the name defined in hsyco.ini. Otherwise, HSYCO simply uses the certificate contained in this file, which could have been also generated by an official Certification Authority (CA), like Verisign or Thawte. If an official certificate is not used, this file is created and managed by HSYCO without any manual intervention.

hsyco/keys.data

It is the database of the secure authentication keys between the Web Browser and HSYCO. This directory and its files are created and managed by HSYCO and must not be modified or erased.

The Database Maintenance document explains how to safely perform the database restore procedure from a previously saved backup.

hsyco/license.txt

This file contains the software license key needed to make HSYCO fully operational. When HSYCO is started for the first time, or if this file is removed before start-up, HSYCO creates a new file containing an encrypted unique code that identifies the computer on which the software is running. In order to unlock HSYCO, the file needs to contain the software license key, issued by Home Systems Consulting.

If the license key is not available in the file or if it is not correct, HSYCO disables all the functions of access to any field device, keeping only the HTTP and HTTPS Web Server running. It will be therefore possible to access the Web pages, but not to execute any action on or interface to the systems connected to HSYCO.

hsyco/systemtopo.txt

Contains the list of all the devices of the system and names of the Wi-Fi access points used for the location services.

This file format is described in details in the Configuration chapter.

systemtopo.txt can be modified at any time; any change is applied within a few seconds without restarting HSYCO. Web pages are automatically reloaded after any change to systemtopo.txt.

hsyco/timers.data

It is the database of the timers’ settings, such as alarms, irrigation or light timers, managed by HSYCO. This file is created and managed by HSYCO and should not be modified or erased.

hsyco/com/hsyco

This directory contains the customizable Java files. In particular, the file user.class must always exist, even just in its original version if it has not been customized. The corresponding source file user.java is not necessary for the correct execution of the software.

hsyco/www

The www directory contains all the customizable files corresponding to the Web pages of the user interface. All the required standard files can be found in the hsyco.jar package and therefore are not included in www; however it is always possible to add new customized files in appropriate locations in www; these files will have priority over the standard files contained in hsyco.jar.

Whenever HSYCO detects any change to the files in www and in its sub-directories, it automatically forces the refresh of the Web page on the connected browsers, so that all the changes are immediately visible.


Note Note that, when the HTML 5.0 persistent cache is enabled, all project's files saved under any subdirectory named "nocache" will not be listed in the persistent cache's manifest file.

The directories and the standard files will be described in the following paragraphs, although the directories and files structure can be customized as needed.

hsyco/www/<project>/index.hsm

The <project> directory, contains the definition of the user interface pages. Each <project> directory contains the index.hsm file, with the complete definition of the whole Web interface. This file format is described in the Personalization chapter.

It is not possible to use names such as img and the skins’ names, which are reserved. It is also not possible to have more than one Web interface description file in the same directory.

hsyco/www/<project>/img

Contains the files of the images associated to the automation and lighting devices defined in the systemtopo.txt file, or any other image file used by the Web interface.

Files in this subdirectory have priority over files in the hsyco/www/img directory.

hsyco/www/<skin>

Customized skins can be defined and saved in www subdirectories. The files of the standard skins are included in the hsyco.jar package file. Creating a directory with the same name of a standard skin is possible, but should be done carefully, as it will override the standard skin files.

hsyco/www/img

Contains the files of the images associated to the automation and lighting devices defined in the systemtopo.txt file, or any other image file used by the Web interface. Files in the img/ sub-directory under the project's main directory have priority over files in this directory.

hsyco/www/public

The HTTPServerPublicDirectory parameter defined in System Settings file enables a basic Web server that serves files, without any parsing, contained in a specific directory, via HTTP and HTTPS, only to clients in the trusted range of IP addresses.

hsyco/motion

Contains the images of every single frame recorded from each camera. The motion directory contains a distinct subdirectory for each camera, named as the cameras ids defined in hsyco.ini. In these directories the files are organized in two additional subdirectory levels. HSYCO automatically manages these directories and the individual files.

In order to avoid any malfunction in the reproduction and, potentially, in the recording of the events you should not partially delete the files. If needed, it is possible to delete all the files of a camera and then restart HSYCO so that the index of the images can be correctly updated.


HSYCO will automatically erase the files and their corresponding subdirectories after the time of images storage has expired, as set in hsyco.ini for each camera.

Moreover, the older frames are automatically erased before their times of expiration if the space available on disc drops below a safe margin.

hsyco/logs

Contains the log files generated by HSYCO. The information details contained in the log files depend on the log level settings defined in hsyco.ini. All the relevant events detected from the field, the commands sent, the users access information and errors can be traced.

When starting HSYCO the information corresponding to the execution of the different HSYCO modules will be logged. See the Log Files section for the details.

HSYCO writes a separate log file each day, in a different directory for each year, in the MMGG-message.log' format. For example, the log file for the 12th April 2012 will be hsyco/logs/2012/0412-message.log.

If anti-intrusion systems are integrated with HSYCO, the file security.log will be written too, in the same directories as the daily log files. This file contains the list of all the events concerning activation, deactivation and alarms on the anti-intrusion systems.

The log files can be removed anytime without causing any problem. HSYCO does not provide an automatic procedure to erase the log files.

hsyco/ir

This directory can be empty or might not exist at all. It contains the files with CCF encoded IR commands, to be used when sending IR commands with IRTrans devices.

These files should have the extension .ccfhex and the name corresponds to the IR database name.

Each file contains one or more lines per command: 

command_name = hex_ccf_data

The CCF data for each command is in hexadecimal format, and could be broken in multiple lines.

hsyco/dataloggers.ini

This file contains the definitions of time slots for data loggers of type counter. Each line sets some rules for a time slot of a data logger, the format to be used is the following: 

datalogger_name; slot_id; time_range; days_of_week; date; rate

Whenever a counter data logger listed in this file is updated, the rules are matched from top to bottom to establish the time slot the new value belongs to and thus which rate to apply.

The following table describes each field of a rule line:

Field Format Description
datalogger_name string specifies which data logger this slot is applied to
slot_id positive integer identifier for the slot. More lines can refer to the same slot identifier
time_range hh:mm-hh:mm specifies the time range in which the slot applies. An asterisk (*) in this field will always result in a match
days_of_week list of week days specifies the week days matched by this rule. The days are identified by a number from 1 (Monday) to 7 (Sunday). For instance, writing “135” into this field will result in a match on Mondays (1), Wednesdays (3), and Fridays (5). An asterisk in this field will always result in a match
date yyyy/mm/dd

or yyyy/mm/dd-yyyy/mm/dd

specifies the date or the date range in which the slot applies. In case of date ranges (yyyy/mm/dd-yyyy/mm/dd) the starting date or the ending date can be replaced by an asterisk indicating that this rule will apply respectively until or from the specified date. For instance the date range “*-2000/12/31” will match all the dates preceding and including December 31st 2000. If the exact date format is used (yyyy/mm/dd) then each field can be replaced by an asterisk which will match every year, month, or day. For instance “*/12/25” will match December 25th of every year. An asterisk in this field will always result in a match
rate positive float number specifies the rate (i.e. the multiplicative factor) to be applied for this time slot.

hsyco/data

HSYCO has an integrated SQL database engine (HSQLDB - HyperSQL DataBase) you can use in your applications via the standard JDBC API.

The database that HSYCO uses is called “hsyco” and its files are saved in the data/ directory under the base directory. We consider the data/ directory a reserved HSYCO path and discourage the use of it for storing user’s databases or in general for any customized purpose.

hsyco/Scripts

This directory can be empty or might not exist at all. It contains a copy of operating system specific scripts needed for the automatic execution of HSYCO when the server is started.

In this directory it is also possible to write additional scripts called by the customized code in user.java.

hsyco/drivers

HSYCO offers a development framework to easily build your own I/O server, written in Java, so you can interface with external systems that are not part of the built-in library of supported systems.

Each driver has a dedicated sub-directory under the “drivers” directory in HSYCO’s root directory.

See the Custom I/O Drivers Development chapter for additional information.

hsyco/plugins

HSYCO allows you to bundle both the user interface design and the application code in one package that is easier to distribute and install.

Each plugin has a dedicated sub-directory under the “plugins” directory in HSYCO’s root directory.

See the Plugins Applications Development chapter for additional information.

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