source ./include.tcl
source $test_path/test.tcl
set usage "lockscript dir numiters numobjs sleepint degree readratio"
if { $argc != 6 } {
puts stderr "FAIL:[timestamp] Usage: $usage"
exit
}
set dir [lindex $argv 0]
set numiters [ lindex $argv 1 ]
set numobjs [ lindex $argv 2 ]
set sleepint [ lindex $argv 3 ]
set degree [ lindex $argv 4 ]
set readratio [ lindex $argv 5 ]
global rand_init
berkdb srand $rand_init
catch { berkdb_env -create -lock -home $dir } e
error_check_good env_open [is_substr $e env] 1
catch { $e lock_id } locker
error_check_good locker [is_valid_locker $locker] TRUE
puts -nonewline "Beginning execution for $locker: $numiters $numobjs "
puts "$sleepint $degree $readratio"
flush stdout
for { set iter 0 } { $iter < $numiters } { incr iter } {
set nlocks [berkdb random_int 1 $degree]
set lastobj 1
set locklist {}
set objlist {}
for { set lnum 0 } { $lnum < $nlocks } { incr lnum } {
set obj [berkdb random_int $lastobj $numobjs]
set lastobj [expr $obj + 1]
set x [berkdb random_int 1 100 ]
if { $x <= $readratio } {
set rw read
} else {
set rw write
}
puts "[timestamp -c] $locker $lnum: $rw $obj"
catch {$e lock_get $rw $locker $obj} lockp
error_check_good lock_get [is_valid_lock $lockp $e] TRUE
lock003_vrfy $rw $obj
lock003_create $rw $obj
lappend objlist [list $obj $rw]
lappend locklist $lockp
if {$lastobj > $numobjs} {
break
}
}
puts "[timestamp -c] $locker sleeping"
after [berkdb random_int 10 [expr $sleepint * 100]]
puts "[timestamp -c] $locker awake"
puts "[timestamp -c] $locker released locks"
foreach pair $objlist {
set obj [lindex $pair 0]
set rw [lindex $pair 1]
lock003_destroy $obj
lock003_vrfy $rw $obj
}
release_list $locklist
flush stdout
}
set ret [$e close]
error_check_good env_close $ret 0
puts "[timestamp -c] $locker Complete"
flush stdout
exit