Carel plug-in Manuel d'utilisateur télécharger pdf (Page 75)

pCOWeb +030220471 – rel. 1.0 – 02.05.2007 75

25 *)

26 echo $"Usage: $0 {start|stop|restart}"

27 exit 1

28 ;;

29 esac

DESCRIPTION OF THE LINES

1: Specifies the command executor, currently the only one featured on the pCOWeb is the bash shell (“Bourne Again SHell”), therefore “/bin/bash”.

3: Add the colouring function for the log messages (see the “highlight” script).

5-6: When the script is run, parameter “

$1” is equal to “start”.

7: showMsg (see lines 13-18 of the “highlight” script) displays the text “Starting Ntp script…” in the system log.

8: This line runs the “ntp.sh” script (see the previous section); note that the standard output is redirected to “/dev/null” to avoid unnecessary messages.

showStatus displays the result with the related colouring (see lines 20-37 of the “highlight” script); note the variable “$?”, with the value returned by

the previously run statement.

12-17: As for the start section, the stop section is made up of the same parts, and is called when the pCOWeb is shutdown or when accessed by the user.

19-23: Runs the script again, first the stop section and then the start section, used to have the Plugin reread the new configuration files; it cannot be run from the

web page but only from a remote console.

24-28: This is the section of the script that is run in the event where “

$1” is not equal to start, stop or restart; a message is displayed to indicate that

the script has been run with an incorrect value of “$1”.

“Highlight” script

This script is used to define the standard display used in the various scripts on the pCOWeb.

1 export escGreen=`echo -e "\033[1m\033[32m"`

2 export escRed=`echo -e "\033[1m\033[31m"`

3 export escYell=`echo -e "\033[1m\033[33m"`

4 export escNorm=`echo -e "\033[m"`

5 export msgOk=`echo -e "[\033[1m\033[32mOK\033[m]"`

6 export msgDone=`echo -e "[\033[1m\033[32mDone\033[m]"`

7 export msgYes=`echo -e "[\033[1m\033[32mYes\033[m]"`

8 export msgNo=`echo -e "[\033[1m\033[32mNo\033[m]"`

9 export msgError=`echo -e "[\033[31mError\033[m]"`

10 export msgFail=`echo -e "[\033[31mFailed\033[m]"`

11 export msgBad=`echo -e "[\033[31mBad\033[m]"`

13 #

14 # Echo script message

15 #

16 function showMsg(){

17 printf "%-70s" "$1"

18 }

20 #

21 # Show status message

22 #

23 function showStatus(){

24 case "$1" in

25 0) echo "$msgOk";;

26 1) echo "$msgFail";;

27 ok) echo "$msgOk";;

28 error) echo "$msgError";;

29 bad) echo "$msgBad";;

30 yes) echo "$msgYes";;

31 no) echo "$msgNo";;

32 done) echo "$msgDone";;

33 failed) echo "msgFail";

34 kill*) test "$1" = "kill" && echo '[Not runn]' || echo $msgOk;;

35 *) echo "$1";;

36 esac

37 }

1 2 ... 70 71 72 73 74 75 76 77 78 79 80

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Carel plug-in Manuel d'utilisateur Page 75

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