File Structure

All the resources associated with SIMulation Workbench reside under the /usr/local/ccursim directory. And are pointed to by the main SimWB configuration file

/etc/ccursim.conf

This file defines the global resources such as directory paths and host name needed to run the simulation software. It is an ASCII file in the key=value format.

The file must be placed into the /etc/ directory. This file is only installed on the system during the first time SimWB inst installed, subsequent upgrade will not overwrite any previous version of the file already present on the systems.

Key	Default value	Description
installdir	/usr/local/ccursim	Where the software should be installed.
projectsdir	/usr/local/ccursim/ projects	Root of the simulation software repository.
tdldir	TDL	Directory under projectsdir where the script source programs are stored. Each script program is stored in a directory with the same name as the script program.
rtwdir	RTW	Directory under projectsdir where the RTW source programs are stored. Each RTW program is stored in a directory with the same name as the RTW model.
mdldir	MDL	Directory under projectsdir where the Simulink model files are stored.
rtdbdir	RTDB	Directory under projectsdir where the RTDB files are stored. Each database is stored in a directory with the same name as the RTDB.
usersourcedir	UserSources	Directory under projectsdir where sources for user defined models are stored. Each user program’s source is stored in a directory with the same name as the program.
userexecdir	UserExecs	Directory under projectsdir where the executable files for user defined models are stored. Each user program is stored in a directory with the same name as the program.
testsdir	Tests	Directory under under projectsdir where all test configuration, setup log and data logging files are stored.
guiicondir	/usr/local/ccursim/ gui/icons	Icons files for the legacy GUI.
editorcommand	xterm –e vim	The command used to invoke the local source editor on the platform. Used when the user downloads a source file from the real-time host’s repositories to the editor using the legacy GUI.
guifiledir	/usr/local/ccursim/ gui/files	Support files such as HTML pages for the legacy GUI
groupname	ccursim	The default group name that is created at installation and which is used by the SimWB application.
dataloggerhost	None	Host name where the data logger server is running. The real-time host logging client program will connect to this host name via TCP to send the real-time logging records.
dlnetworkbuffer	1000	Number of network buffers for the data logger. This is a tunable and is used to buffer the data coming from the RT host and avoid potential disk writes latency problems.

The configuration server (cfgsrv) program and all the other processes that it forks to start a test run with the ccursim group id. All directories and files created by the configuration are readable and writable by root and the ccursim group id. Any external process that wants read and write access to any file in the data logger repository must thus be a member of the ccursim group.

As described above, all the directories and files that are created at run time reside under the main projectsdir directory as defined in the /etc/ccursim.conf file. Also some static directories exist directly under the installdir directory (/usr/local/ccursim) such as the I/O and GUI user hooks.