recd011.tcl
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上传日期:2007-04-14
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文件大小:4k
- # See the file LICENSE for redistribution information.
- #
- # Copyright (c) 2000
- # Sleepycat Software. All rights reserved.
- #
- # $Id: recd011.tcl,v 11.13 2000/12/06 17:09:54 sue Exp $
- #
- # Recovery Test 11.
- # Test recovery to a specific timestamp.
- proc recd011 { method {niter 200} {ckpt_freq 15} {sleep_time 1} args } {
- source ./include.tcl
- set args [convert_args $method $args]
- set omethod [convert_method $method]
- set tnum 11
- puts "Recd0$tnum ($args): Test recovery to a specific timestamp."
- set testfile recd0$tnum.db
- env_cleanup $testdir
- set i 0
- if { [is_record_based $method] == 1 } {
- set key 1
- } else {
- set key KEY
- }
- puts "tRecd0$tnum.a: Create environment and database."
- set flags "-create -txn -home $testdir"
- set env_cmd "berkdb env $flags"
- set dbenv [eval $env_cmd]
- error_check_good dbenv [is_valid_env $dbenv] TRUE
- set oflags "-env $dbenv -create -mode 0644 $args $omethod"
- set db [eval {berkdb_open} $oflags $testfile]
- error_check_good dbopen [is_valid_db $db] TRUE
- # Main loop: every second or so, increment the db in a txn.
- puts "ttInitial Checkpoint"
- error_check_good "Initial Checkpoint" [$dbenv txn_checkpoint] 0
- puts "tRecd0$tnum.b ($niter iterations):
- Transaction-protected increment loop."
- for { set i 0 } { $i <= $niter } { incr i } {
- set data $i
- # Put, in a txn.
- set txn [$dbenv txn]
- error_check_good txn_begin [is_valid_txn $txn $dbenv] TRUE
- error_check_good db_put
- [$db put -txn $txn $key [chop_data $method $data]] 0
- error_check_good txn_commit [$txn commit] 0
- set timeof($i) [timestamp -r]
- # If an appropriate period has elapsed, checkpoint.
- if { $i % $ckpt_freq == $ckpt_freq - 1 } {
- puts "ttIteration $i: Checkpointing."
- error_check_good ckpt($i) [$dbenv txn_checkpoint] 0
- }
- # sleep for N seconds.
- tclsleep $sleep_time
- }
- error_check_good db_close [$db close] 0
- error_check_good env_close [$dbenv close] 0
- # Now, loop through and recover to each timestamp, verifying the
- # expected increment.
- puts "tRecd0$tnum.c: Recover to each timestamp and check."
- for { set i 0 } { $i <= $niter } { incr i } {
- # Run db_recover.
- berkdb debug_check
- set t [clock format $timeof($i) -format "%y%m%d%H%M.%S"]
- set ret [catch {exec $util_path/db_recover -h $testdir -t $t} r]
- error_check_good db_recover($i,$t) $ret 0
- # Now open the db and check the timestamp.
- set db [eval {berkdb_open} $testdir/$testfile]
- error_check_good db_open($i) [is_valid_db $db] TRUE
- set dbt [$db get $key]
- set datum [lindex [lindex $dbt 0] 1]
- error_check_good timestamp_recover $datum [pad_data $method $i]
- error_check_good db_close [$db close] 0
- }
- # Finally, recover to a time well before the first timestamp
- # and well after the last timestamp. The latter should
- # be just like the last timestamp; the former should fail.
- puts "tRecd0$tnum.d: Recover to before the first timestamp."
- set t [clock format [expr $timeof(0) - 1000] -format "%y%m%d%H%M.%S"]
- set ret [catch {exec $util_path/db_recover -h $testdir -t $t} r]
- error_check_bad db_recover(before,$t) $ret 0
- puts "tRecd0$tnum.e: Recover to after the last timestamp."
- set t [clock format
- [expr $timeof($niter) + 1000] -format "%y%m%d%H%M.%S"]
- set ret [catch {exec $util_path/db_recover -h $testdir -t $t} r]
- error_check_good db_recover(after,$t) $ret 0
- # Now open the db and check the timestamp.
- set db [eval {berkdb_open} $testdir/$testfile]
- error_check_good db_open(after) [is_valid_db $db] TRUE
- set dbt [$db get $key]
- set datum [lindex [lindex $dbt 0] 1]
- error_check_good timestamp_recover $datum [pad_data $method $niter]
- error_check_good db_close [$db close] 0
- }