Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
Zachary Ware
297
test/rep022.tcl
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297
test/rep022.tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2004,2008 Oracle. All rights reserved.
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#
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# $Id: rep022.tcl,v 12.19 2008/01/08 20:58:53 bostic Exp $
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#
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# TEST rep022
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# TEST Replication elections - test election generation numbers
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# TEST during simulated network partition.
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# TEST
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proc rep022 { method 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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global rand_init
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global mixed_mode_logging
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set tnum "022"
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# Run for btree only.
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if { $checking_valid_methods } {
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set test_methods { btree }
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return $test_methods
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}
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if { [is_btree $method] == 0 } {
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puts "Rep$tnum: Skipping for method $method."
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return
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}
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if { $mixed_mode_logging > 0 } {
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puts "Rep$tnum: Skipping for mixed-mode logging."
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return
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}
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error_check_good set_random_seed [berkdb srand $rand_init] 0
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set nclients 5
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set logsets [create_logsets [expr $nclients + 1]]
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foreach l $logsets {
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puts "Rep$tnum ($method): Election generation test\
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with simulated network partition."
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puts "Rep$tnum: Master logs are [lindex $l 0]"
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for { set i 0 } { $i < $nclients } { incr i } {
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puts "Rep$tnum: Client $i logs are\
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[lindex $l [expr $i + 1]]"
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}
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rep022_sub $method $nclients $tnum $l $args
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}
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}
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proc rep022_sub { method nclients tnum logset largs } {
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source ./include.tcl
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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 qdir $testdir/MSGQUEUEDIR
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replsetup $qdir
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set masterdir $testdir/MASTERDIR
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file mkdir $masterdir
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set m_logtype [lindex $logset 0]
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set m_logargs [adjust_logargs $m_logtype]
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set m_txnargs [adjust_txnargs $m_logtype]
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for { set i 0 } { $i < $nclients } { incr i } {
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set clientdir($i) $testdir/CLIENTDIR.$i
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file mkdir $clientdir($i)
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set c_logtype($i) [lindex $logset [expr $i + 1]]
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set c_logargs($i) [adjust_logargs $c_logtype($i)]
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set c_txnargs($i) [adjust_txnargs $c_logtype($i)]
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}
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# Open a master.
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set envlist {}
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repladd 1
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set env_cmd(M) "berkdb_env_noerr -create -log_max 1000000 $verbargs \
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-event rep_event \
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-home $masterdir $m_txnargs $m_logargs -rep_master \
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-errpfx MASTER -rep_transport \[list 1 replsend\]"
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set masterenv [eval $env_cmd(M)]
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lappend envlist "$masterenv 1"
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# Open the clients.
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for { set i 0 } { $i < $nclients } { incr i } {
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set envid [expr $i + 2]
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repladd $envid
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set env_cmd($i) "berkdb_env_noerr -create $verbargs \
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-errpfx CLIENT.$i -event rep_event \
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-home $clientdir($i) $c_txnargs($i) $c_logargs($i) \
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-rep_client -rep_transport \[list $envid replsend\]"
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set clientenv($i) [eval $env_cmd($i)]
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lappend envlist "$clientenv($i) $envid"
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}
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# Bring the clients online by processing the startup messages.
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process_msgs $envlist
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# Run a modified test001 in the master.
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puts "\tRep$tnum.a: Running rep_test in replicated env."
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set niter 10
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eval rep_test $method $masterenv NULL $niter 0 0 0 0 $largs
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process_msgs $envlist
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error_check_good masterenv_close [$masterenv close] 0
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set envlist [lreplace $envlist 0 0]
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foreach pair $envlist {
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set i [expr [lindex $pair 1] - 2]
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replclear [expr $i + 2]
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set err_cmd($i) "none"
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set pri($i) 10
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set crash($i) 0
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if { $rep_verbose == 1 } {
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$clientenv($i) errpfx CLIENT$i
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$clientenv($i) verbose $verbose_type on
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$clientenv($i) errfile /dev/stderr
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set env_cmd($i) [concat $env_cmd($i) \
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"-errpfx CLIENT$i -errfile /dev/stderr"]
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}
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}
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set msg "Rep$tnum.b"
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puts "\t$msg: Run election for clients 0,1,2."
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#
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# Run an election with clients 0, 1, and 2.
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# Make client 0 be the winner, and let it stay master.
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#
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set origlist $envlist
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set orignclients $nclients
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set envlist [lrange $origlist 0 2]
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set nclients 3
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set nsites 3
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set nvotes 3
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set winner 0
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setpriority pri $nclients $winner
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set elector [berkdb random_int 0 [expr $nclients - 1]]
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run_election env_cmd envlist err_cmd pri crash \
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$qdir $msg $elector $nsites $nvotes $nclients $winner 0 test.db
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set msg "Rep$tnum.c"
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puts "\t$msg: Close and reopen client 2 with recovery."
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#
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# Now close and reopen 2 with recovery. Update the
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# list of all client envs with the new information.
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#
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replclear 5
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replclear 6
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error_check_good flush [$clientenv(2) log_flush] 0
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error_check_good clientenv_close(2) [$clientenv(2) close] 0
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set clientenv(2) [eval $env_cmd(2) -recover]
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set origlist [lreplace $origlist 2 2 "$clientenv(2) 4"]
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# Get last LSN for client 2.
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set logc [$clientenv(2) log_cursor]
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error_check_good logc \
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[is_valid_logc $logc $clientenv(2)] TRUE
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set lastlsn2 [lindex [lindex [$logc get -last] 0] 1]
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error_check_good close_cursor [$logc close] 0
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set msg "Rep$tnum.d"
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puts "\t$msg: Close and reopen client 4 with recovery."
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#
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# This forces the last LSN for client 4 up to the last
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# LSN for client 2 so client 4 can be elected.
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#
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set lastlsn4 0
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while { $lastlsn4 < $lastlsn2 } {
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error_check_good clientenv_close(4) [$clientenv(4) close] 0
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set clientenv(4) [eval $env_cmd(4) -recover]
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error_check_good flush [$clientenv(4) log_flush] 0
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set origlist [lreplace $origlist 4 4 "$clientenv(4) 6"]
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set logc [$clientenv(4) log_cursor]
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error_check_good logc \
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[is_valid_logc $logc $clientenv(4)] TRUE
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set lastlsn4 [lindex [lindex [$logc get -last] 0] 1]
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error_check_good close_cursor [$logc close] 0
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}
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set msg "Rep$tnum.e"
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puts "\t$msg: Run election for clients 2,3,4."
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#
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# Run an election with clients 2, 3, 4.
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# Make last client be the winner, and let it stay master.
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# Need to process messages before running election so
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# that clients 2 and 4 update to the right gen with
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# client 3.
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#
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set envlist [lrange $origlist 2 4]
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process_msgs $envlist
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foreach pair $envlist {
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set i [expr [lindex $pair 1] - 2]
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set clientenv($i) [lindex $pair 0]
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set egen($i) [stat_field \
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$clientenv($i) rep_stat "Election generation number"]
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}
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set winner 4
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setpriority pri $nclients $winner 2
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set elector [berkdb random_int 2 4]
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run_election env_cmd envlist err_cmd pri crash \
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$qdir $msg $elector $nsites $nvotes $nclients $winner 0 test.db
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# Note egens for all the clients.
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set envlist $origlist
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foreach pair $envlist {
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set i [expr [lindex $pair 1] - 2]
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set clientenv($i) [lindex $pair 0]
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set egen($i) [stat_field \
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$clientenv($i) rep_stat "Election generation number"]
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}
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# Have client 4 (currently a master) run an operation.
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eval rep_test $method $clientenv(4) NULL $niter 0 0 0 0 $largs
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# Check that clients 0 and 4 get DUPMASTER messages and
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# restart them as clients.
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#
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puts "\tRep$tnum.f: Check for DUPMASTER"
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set envlist0 [lrange $envlist 0 0]
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process_msgs $envlist0 0 dup err
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error_check_good is_dupmaster0 [lindex $dup 0] 1
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error_check_good downgrade0 [$clientenv(0) rep_start -client] 0
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set envlist4 [lrange $envlist 4 4]
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process_msgs $envlist4 0 dup err
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error_check_good is_dupmaster4 [lindex $dup 0] 1
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error_check_good downgrade4 [$clientenv(4) rep_start -client] 0
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# All DUPMASTER messages are now gone.
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# We might get residual errors however because client 4
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# responded as a master to client 0 and then became a
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# client immediately. Therefore client 4 might get some
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# "master-only" records and return EINVAL. We want to
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# ignore those and process records until calm is restored.
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set err 1
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while { $err == 1 } {
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process_msgs $envlist 0 dup err
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error_check_good no_dupmaster $dup 0
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}
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# Check LSNs before new election.
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foreach pair $envlist {
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set i [expr [lindex $pair 1] - 2]
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set logc [$clientenv($i) log_cursor]
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error_check_good logc \
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[is_valid_logc $logc $clientenv($i)] TRUE
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set lastlsn [lindex [lindex [$logc get -last] 0] 1]
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error_check_good cursor_close [$logc close] 0
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}
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set msg "Rep$tnum.g"
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puts "\t$msg: Run election for all clients after DUPMASTER."
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# Call a new election with all participants. Make 4 the
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# winner, since it should have a high enough LSN to win.
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set nclients $orignclients
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set nsites $nclients
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set nvotes $nclients
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set winner 4
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setpriority pri $nclients $winner
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set elector [berkdb random_int 0 [expr $nclients - 1]]
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run_election env_cmd envlist err_cmd pri crash \
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$qdir $msg $elector $nsites $nvotes $nclients $winner 0 test.db
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# Pull out new egens.
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foreach pair $envlist {
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set i [expr [lindex $pair 1] - 2]
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set clientenv($i) [lindex $pair 0]
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set newegen($i) [stat_field \
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$clientenv($i) rep_stat "Election generation number"]
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}
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# Egen numbers should all be the same now, and all greater than
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# they were before the election.
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set currentegen $newegen(0)
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for { set i 0 } { $i < $nclients } { incr i } {
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set egen_diff [expr $newegen($i) - $egen($i)]
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error_check_good egen_increased [expr $egen_diff > 0] 1
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error_check_good newegens_match $currentegen $newegen($i)
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}
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# Clean up.
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foreach pair $envlist {
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set cenv [lindex $pair 0]
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error_check_good cenv_close [$cenv close] 0
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}
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replclose $testdir/MSGQUEUEDIR
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}
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