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Furthermore, we can provide a description of the status returned for GiD to show to the user. If another status is returned, it is assumed to be 1 by default.
Below is an example of a <ValidatePassword> node.
| Code Block | ||||
|---|---|---|---|---|
| ||||
<ValidatePassword>
#validation.exe simulates an external program to validade the key for this computername
#instead an external program can be used a tcl procedure
if { [catch {set res [exec [file join $dir validation.exe] $key $computername]} msgerr] } {
return [list 0 "Error $msgerr"]
}
switch -regexp -- $res {
failRB {
return [list 0 "you ask me to fail!"]
}
okandsaveRB {
proc save_pass {dir id pass} {
set date [clock format [clock second] -format "%Y %m %d"]
set fd [open [file join $dir .. "password.txt"] "a"]
puts $fd "$id $pass # $date Password for Problem type '$dir'"
close $fd
}
save_pass $dir $computername $key
rename save_pass ""
return [list 2 "password $key saved by me"]
}
okRB {
return [list 1 "password $key will be saved by gid"]
}
default {
return [list 0 "Error: unexpected return value $res"]
}
}
</ValidatePassword> |
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