Import BSDDB 4.7.25 (as of svn r89086)
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Zachary Ware
189
test/rep042.tcl
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189
test/rep042.tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2003,2008 Oracle. All rights reserved.
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#
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# $Id: rep042.tcl,v 12.19 2008/01/08 20:58:53 bostic Exp $
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#
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# TEST rep042
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# TEST Concurrency with updates.
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# TEST
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# TEST Verify racing role changes and updates don't result in
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# TEST pages with LSN 0,1. Set up an environment that is master.
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# TEST Spawn child process that does a delete, but using the
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# TEST $env check so that it sleeps in the middle of the call.
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# TEST Master downgrades and then sleeps as a client so that
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# TEST child will run. Verify child does not succeed (should
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# TEST get read-only error) due to role change in the middle of
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# TEST its call.
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proc rep042 { method { niter 10 } { tnum "042" } args } {
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source ./include.tcl
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if { $is_windows9x_test == 1 } {
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puts "Skipping replication test on Win 9x platform."
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return
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}
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# Valid for all access methods.
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if { $checking_valid_methods } {
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return "ALL"
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}
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set args [convert_args $method $args]
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set logsets [create_logsets 2]
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# Run the body of the test with and without recovery.
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foreach r $test_recopts {
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foreach l $logsets {
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set logindex [lsearch -exact $l "in-memory"]
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if { $r == "-recover" && $logindex != -1 } {
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puts "Rep$tnum: Skipping\
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for in-memory logs with -recover."
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continue
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}
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puts "Rep$tnum ($method $r):\
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Concurrency with updates."
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puts "Rep$tnum: Master logs are [lindex $l 0]"
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puts "Rep$tnum: Client logs are [lindex $l 1]"
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rep042_sub $method $niter $tnum $l $r $args
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}
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}
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}
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proc rep042_sub { method niter tnum logset recargs largs } {
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source ./include.tcl
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global perm_response_list
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global rep_verbose
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global verbose_type
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set verbargs ""
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if { $rep_verbose == 1 } {
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set verbargs " -verbose {$verbose_type on} "
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}
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env_cleanup $testdir
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set omethod [convert_method $method]
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replsetup $testdir/MSGQUEUEDIR
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set masterdir $testdir/MASTERDIR
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set clientdir $testdir/CLIENTDIR
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file mkdir $masterdir
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file mkdir $clientdir
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set m_logtype [lindex $logset 0]
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set c_logtype [lindex $logset 1]
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# In-memory logs require a large log buffer, and cannot
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# be used with -txn nosync.
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set m_logargs [adjust_logargs $m_logtype]
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set c_logargs [adjust_logargs $c_logtype]
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set m_txnargs [adjust_txnargs $m_logtype]
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set c_txnargs [adjust_txnargs $c_logtype]
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# Open a master.
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repladd 1
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set ma_cmd "berkdb_env_noerr -create \
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-log_max 1000000 $m_txnargs $m_logargs $verbargs \
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-home $masterdir -rep_master -errpfx MASTER \
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-rep_transport \[list 1 replsend\]"
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set masterenv [eval $ma_cmd $recargs]
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# Open a client
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repladd 2
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set cl_cmd "berkdb_env_noerr -create -home $clientdir \
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$c_txnargs $c_logargs $verbargs -errpfx CLIENT -rep_client \
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-rep_transport \[list 2 replsend\]"
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set clientenv [eval $cl_cmd $recargs]
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# Bring the client online.
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process_msgs "{$masterenv 1} {$clientenv 2}"
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puts "\tRep$tnum.a: Create and populate database."
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set dbname rep042.db
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set db [eval "berkdb_open_noerr -create $omethod -auto_commit \
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-env $masterenv $largs $dbname"]
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for { set i 1 } { $i < $niter } { incr i } {
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set t [$masterenv txn]
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error_check_good db_put \
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[eval $db put -txn $t $i [chop_data $method data$i]] 0
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error_check_good txn_commit [$t commit] 0
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}
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process_msgs "{$masterenv 1} {$clientenv 2}"
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set ops {del truncate}
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foreach op $ops {
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# Fork child process on client. The child will do a delete.
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set sleepval 4
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set scrlog $testdir/repscript.log
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puts "\tRep$tnum.b: Fork child process on client ($op)."
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set pid [exec $tclsh_path $test_path/wrap.tcl \
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rep042script.tcl $scrlog \
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$masterdir $sleepval $dbname $op &]
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# Wait for child process to start up.
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while { 1 } {
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if { [file exists $masterdir/marker.db] == 0 } {
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tclsleep 1
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} else {
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tclsleep 1
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break
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}
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}
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puts "\tRep$tnum.c: Downgrade during child $op."
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error_check_good downgrade [$masterenv rep_start -client] 0
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puts "\tRep$tnum.d: Waiting for child ..."
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# Watch until the child is done.
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watch_procs $pid 5
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puts "\tRep$tnum.e: Upgrade to master again ..."
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error_check_good upgrade [$masterenv rep_start -master] 0
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set end [expr $niter * 2]
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for { set i $niter } { $i <= $end } { incr i } {
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set t [$masterenv txn]
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error_check_good db_put \
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[eval $db put -txn $t $i [chop_data $method data$i]] 0
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error_check_good txn_commit [$t commit] 0
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}
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process_msgs "{$masterenv 1} {$clientenv 2}"
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# We expect to find the error "attempt to modify a read-only
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# database." If we don't, report what we did find as a failure.
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set readonly_error [check_script $scrlog "read-only"]
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if { $readonly_error != 1 } {
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set errstrings [eval findfail $scrlog]
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if { [llength $errstrings] > 0 } {
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puts "FAIL: unexpected error(s)\
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found in file $scrlog:$errstrings"
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}
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}
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fileremove -f $masterdir/marker.db
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}
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# Clean up.
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error_check_good db_close [$db close] 0
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error_check_good masterenv_close [$masterenv close] 0
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error_check_good clientenv_close [$clientenv close] 0
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replclose $testdir/MSGQUEUEDIR
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}
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proc check_script { log str } {
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set ret 0
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set res [catch {open $log} id]
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if { $res != 0 } {
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puts "FAIL: open of $log failed: $id"
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# Return 0
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return $ret
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}
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while { [gets $id val] != -1 } {
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# puts "line: $val"
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if { [is_substr $val $str] } {
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set ret 1
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break
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}
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}
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close $id
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return $ret
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}
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