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276 lines
6.8 KiB
Tcl
276 lines
6.8 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1996, 1997, 1998
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# Sleepycat Software. All rights reserved.
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#
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# @(#)dbscript.tcl 8.12 (Sleepycat) 4/10/98
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#
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# Random db tester.
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# Usage: dbscript file numops min_del max_add key_avg data_avgdups
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# file: db file on which to operate
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# numops: number of operations to do
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# ncurs: number of cursors
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# min_del: minimum number of keys before you disable deletes.
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# max_add: maximum number of keys before you disable adds.
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# key_avg: average key size
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# data_avg: average data size
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# dups: 1 indicates dups allowed, 0 indicates no dups
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# errpct: What percent of operations should generate errors
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# seed: Random number generator seed (-1 means use pid)
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source ./include.tcl
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source ../test/testutils.tcl
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set alphabet "abcdefghijklmnopqrstuvwxyz"
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set usage "dbscript file numops ncurs min_del max_add key_avg data_avg dups errpcnt seed"
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# Verify usage
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if { $argc != 10 } {
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puts stderr $usage
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exit
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}
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# Initialize arguments
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set file [lindex $argv 0]
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set numops [ lindex $argv 1 ]
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set ncurs [ lindex $argv 2 ]
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set min_del [ lindex $argv 3 ]
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set max_add [ lindex $argv 4 ]
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set key_avg [ lindex $argv 5 ]
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set data_avg [ lindex $argv 6 ]
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set dups [ lindex $argv 7 ]
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set errpct [ lindex $argv 8 ]
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set seed [ lindex $argv 9 ]
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# Initialize seed
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if { $seed == -1 } {
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set seed [pid]
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}
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srand $seed
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puts "Beginning execution for [pid]"
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puts "$file database"
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puts "$numops Operations"
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puts "$ncurs cursors"
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puts "$min_del keys before deletes allowed"
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puts "$max_add or fewer keys to add"
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puts "$key_avg average key length"
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puts "$data_avg average data length"
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if { $dups != 1 } {
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puts "No dups"
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} else {
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puts "Dups allowed"
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}
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puts "$errpct % Errors"
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puts "$seed seed"
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flush stdout
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set db [record dbopen $file 0 0 DB_UNKNOWN]
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error_check_bad dbopen $db NULL
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error_check_good dbopen [is_substr $db db] 1
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# Initialize globals including data
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set nkeys [db_init $db 1]
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puts "Initial number of keys: $nkeys"
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set txn 0
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# Open the cursors
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set curslist {}
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for { set i 0 } { $i < $ncurs } { incr i } {
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set dbc [record $db cursor]
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error_check_bad cursor_create $dbc NULL
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lappend curslist $dbc
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}
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# On each iteration we're going to generate random keys and
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# data. We'll select either a get/put/delete operation unless
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# we have fewer than min_del keys in which case, delete is not
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# an option or more than max_add in which case, add is not
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# an option. The tcl global arrays a_keys and l_keys keep track
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# of key-data pairs indexed by key and a list of keys, accessed
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# by integer.
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set adds 0
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set puts 0
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set gets 0
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set dels 0
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set bad_adds 0
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set bad_puts 0
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set bad_gets 0
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set bad_dels 0
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for { set iter 0 } { $iter < $numops } { incr iter } {
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set op [pick_op $min_del $max_add $nkeys]
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set err [is_err $errpct]
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# The op0's indicate that there aren't any duplicates, so we
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# exercise regular operations. If dups is 1, then we'll use
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# cursor ops.
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switch $op$dups$err {
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add00 {
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incr adds
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set k [random_data $key_avg 1 a_keys ]
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set data [random_data $data_avg 0 0]
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set ret [record $db put $txn $k $data $DB_NOOVERWRITE ]
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newpair $k $data
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}
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add01 {
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incr bad_adds
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set k [random_key]
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set data [random_data $data_avg 0 0]
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set ret [record $db put $txn $k $data $DB_NOOVERWRITE ]
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# Error case so no change to data state
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}
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add10 {
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incr adds
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set dbcinfo [random_cursor $curslist]
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set dbc [lindex $dbcinfo 0]
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if { [random_int 1 2] == 1 } {
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# Add a new key
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set k [random_data $key_avg 1 a_keys ]
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set data [random_data $data_avg 0 0]
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set ret [record $dbc put $txn $k $data \
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$DB_KEYFIRST ]
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newpair $k $data
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} else {
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# Add a new duplicate
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set dbc [lindex $dbcinfo 0]
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set k [lindex $dbcinfo 1]
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set data [random_data $data_avg 0 0]
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set op [pick_cursput]
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set ret [record $dbc put $txn $k $data $op]
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adddup $k [lindex $dbcinfo 2] $data
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}
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}
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add11 {
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# TODO
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incr bad_adds
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set ret 1
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}
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put00 {
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incr puts
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set k [random_key]
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set data [random_data $data_avg 0 0]
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set ret [record $db put $txn $k $data 0]
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changepair $k $data
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}
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put01 {
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incr bad_puts
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set k [random_key]
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set data [random_data $data_avg 0 0]
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set ret [record $db put $txn $k $data $DB_NOOVERWRITE]
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# Error case so no change to data state
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}
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put10 {
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incr puts
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set dbcinfo [random_cursor $curslist]
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set dbc [lindex $dbcinfo 0]
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set k [lindex $dbcinfo 1]
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set data [random_data $data_avg 0 0]
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set ret [record $dbc put $txn $k $data $DB_CURRENT]
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changedup $k [lindex $dbcinfo 2] $data
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}
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put11 {
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incr bad_puts
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set k [random_key]
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set data [random_data $data_avg 0 0]
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set dbc [record $db cursor]
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set ret [record $dbc put $txn $k $data $DB_CURRENT]
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error_check_good curs_close [record $dbc close] 0
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# Error case so no change to data state
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}
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get00 {
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incr gets
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set k [random_key]
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set val [record $db get $txn $k 0]
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if { $val == $a_keys($k) } {
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set ret 0
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} else {
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set ret "Error got |$val| expected |$a_keys($k)|"
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}
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# Get command requires no state change
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}
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get01 {
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incr bad_gets
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set k [random_data $key_avg 1 a_keys ]
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set ret [record $db get $txn $k 0]
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# Error case so no change to data state
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}
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get10 {
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incr gets
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set dbcinfo [random_cursor $curslist]
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if { [llength $dbcinfo] == 3 } {
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set ret 0
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else
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set ret 0
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}
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# Get command requires no state change
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}
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get11 {
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incr bad_gets
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set k [random_key]
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set dbc [record $db cursor]
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if { [random_int 1 2] == 1 } {
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set dir $DB_NEXT
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} else {
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set dir $DB_PREV
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}
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set ret [record $dbc get $txn $k $DB_NEXT]
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error_check_good curs_close [record $dbc close] 0
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# Error and get case so no change to data state
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}
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del00 {
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incr dels
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set k [random_key]
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set ret [record $db del $txn $k 0]
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rempair $k
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}
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del01 {
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incr bad_dels
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set k [random_data $key_avg 1 a_keys ]
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set ret [record $db del $txn $k 0]
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# Error case so no change to data state
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}
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del10 {
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incr dels
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set dbcinfo [random_cursor $curslist]
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set dbc [lindex $dbcinfo 0]
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set ret [record $dbc del $txn 0]
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remdup [lindex dbcinfo 1] [lindex dbcinfo 2]
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}
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del11 {
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incr bad_dels
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set c [record $db cursor]
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set ret [record $c del $txn 0]
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error_check_good curs_close [record $c close] 0
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# Error case so no change to data state
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}
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}
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if { $err == 1 } {
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# Verify failure.
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error_check_good $op$dups$err:$k [is_substr Error $ret] 1
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} else {
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# Verify success
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error_check_good $op$dups$err:$k $ret 0
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}
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flush stdout
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}
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# Close cursors and file
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foreach i $curslist {
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set r [record $i close]
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error_check_good cursor_close:$i $r 0
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}
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set r [record $db close]
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error_check_good db_close:$db $r 0
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puts "[timestamp] [pid] Complete"
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puts "Successful ops: $adds adds $gets gets $puts puts $dels dels"
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puts "Error ops: $bad_adds adds $bad_gets gets $bad_puts puts $bad_dels dels"
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flush stdout
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filecheck $file $txn
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