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authorJesse Morgan <jesse@jesterpm.net>2016-12-17 21:28:53 -0800
committerJesse Morgan <jesse@jesterpm.net>2016-12-17 21:28:53 -0800
commit54df2afaa61c6a03cbb4a33c9b90fa572b6d07b8 (patch)
tree18147b92b969d25ffbe61935fb63035cac820dd0 /db-4.8.30/test/rep020.tcl
Berkeley DB 4.8 with rust build script for linux.
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+# See the file LICENSE for redistribution information.
+#
+# Copyright (c) 2004-2009 Oracle. All rights reserved.
+#
+# $Id$
+#
+# TEST rep020
+# TEST Replication elections - test election generation numbers.
+# TEST
+
+proc rep020 { method args } {
+ global rand_init
+ global databases_in_memory
+ global repfiles_in_memory
+
+ source ./include.tcl
+ if { $is_windows9x_test == 1 } {
+ puts "Skipping replication test on Win 9x platform."
+ return
+ }
+ set tnum "020"
+
+ # Run for btree only.
+ if { $checking_valid_methods } {
+ set test_methods { btree }
+ return $test_methods
+ }
+ if { [is_btree $method] == 0 } {
+ puts "Rep$tnum: Skipping for method $method."
+ return
+ }
+
+ error_check_good set_random_seed [berkdb srand $rand_init] 0
+ set nclients 5
+ set logsets [create_logsets [expr $nclients + 1]]
+
+ # Set up for on-disk or in-memory databases.
+ set msg "using on-disk databases"
+ if { $databases_in_memory } {
+ set msg "using named in-memory databases"
+ if { [is_queueext $method] } {
+ puts -nonewline "Skipping rep$tnum for method "
+ puts "$method with named in-memory databases"
+ return
+ }
+ }
+
+ set msg2 "and on-disk replication files"
+ if { $repfiles_in_memory } {
+ set msg2 "and in-memory replication files"
+ }
+
+ foreach l $logsets {
+ puts "Rep$tnum ($method): Election generation test $msg $msg2."
+ puts "Rep$tnum: Master logs are [lindex $l 0]"
+ for { set i 0 } { $i < $nclients } { incr i } {
+ puts "Rep$tnum: Client $i logs are\
+ [lindex $l [expr $i + 1]]"
+ }
+ rep020_sub $method $nclients $tnum $l $args
+ }
+}
+
+proc rep020_sub { method nclients tnum logset largs } {
+ source ./include.tcl
+ global errorInfo
+ global databases_in_memory
+ global mixed_mode_logging
+ global repfiles_in_memory
+ global rep_verbose
+ global verbose_type
+
+ set verbargs ""
+ if { $rep_verbose == 1 } {
+ set verbargs " -verbose {$verbose_type on} "
+ }
+
+ set repmemargs ""
+ if { $repfiles_in_memory } {
+ set repmemargs "-rep_inmem_files "
+ }
+
+ env_cleanup $testdir
+
+ set qdir $testdir/MSGQUEUEDIR
+ replsetup $qdir
+
+ set masterdir $testdir/MASTERDIR
+ file mkdir $masterdir
+ set m_logtype [lindex $logset 0]
+ set m_logargs [adjust_logargs $m_logtype]
+ set m_txnargs [adjust_txnargs $m_logtype]
+
+ for { set i 0 } { $i < $nclients } { incr i } {
+ set clientdir($i) $testdir/CLIENTDIR.$i
+ file mkdir $clientdir($i)
+ set c_logtype($i) [lindex $logset [expr $i + 1]]
+ set c_logargs($i) [adjust_logargs $c_logtype($i)]
+ set c_txnargs($i) [adjust_txnargs $c_logtype($i)]
+ }
+
+ # Open a master.
+ set envlist {}
+ repladd 1
+ set env_cmd(M) "berkdb_env_noerr -create -log_max 1000000 $verbargs \
+ -event rep_event $repmemargs \
+ -home $masterdir $m_txnargs $m_logargs -rep_master \
+ -errpfx MASTER -rep_transport \[list 1 replsend\]"
+ set masterenv [eval $env_cmd(M)]
+ lappend envlist "$masterenv 1"
+
+ # Open the clients.
+ for { set i 0 } { $i < $nclients } { incr i } {
+ set envid [expr $i + 2]
+ repladd $envid
+ set env_cmd($i) "berkdb_env_noerr -create -event rep_event \
+ $verbargs -home $clientdir($i) $repmemargs \
+ $c_txnargs($i) $c_logargs($i) \
+ -rep_client -rep_transport \[list $envid replsend\]"
+ set clientenv($i) [eval $env_cmd($i)]
+ lappend envlist "$clientenv($i) $envid"
+ }
+
+ # Run a modified test001 in the master.
+ process_msgs $envlist
+ puts "\tRep$tnum.a: Running rep_test in replicated env."
+ set niter 10
+ eval rep_test $method $masterenv NULL $niter 0 0 0 $largs
+ process_msgs $envlist
+
+ # Check that databases are in-memory or on-disk as expected.
+ if { $databases_in_memory } {
+ set dbname { "" "test.db" }
+ } else {
+ set dbname "test.db"
+ }
+ check_db_location $masterenv
+ for { set i 0 } { $i < $nclients } { incr i } {
+ check_db_location $clientenv($i)
+ }
+
+ # Close master.
+ error_check_good masterenv_close [$masterenv close] 0
+ set envlist [lreplace $envlist 0 0]
+
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ replclear [expr $i + 2]
+ set err_cmd($i) "none"
+ set pri($i) 10
+ set crash($i) 0
+ if { $rep_verbose == 1 } {
+ $clientenv($i) errpfx CLIENT$i
+ $clientenv($i) verbose $verbose_type on
+ $clientenv($i) errfile /dev/stderr
+ set env_cmd($i) [concat $env_cmd($i) \
+ "-errpfx CLIENT$i -errfile /dev/stderr"]
+ }
+ }
+
+ set msg "Rep$tnum.b"
+ puts "\t$msg: Run elections to increment egen."
+
+ set nelect 2
+ set nsites $nclients
+ set nvotes $nclients
+ for { set j 0 } { $j < $nelect } { incr j } {
+ # Pick winner and elector randomly.
+ set winner [berkdb random_int 0 [expr $nclients - 1]]
+ setpriority pri $nclients $winner
+ set elector [berkdb random_int 0 [expr $nclients - 1]]
+ run_election env_cmd envlist err_cmd pri crash $qdir \
+ $msg $elector $nsites $nvotes $nclients $winner 1 $dbname
+ }
+ process_msgs $envlist
+
+ set msg "Rep$tnum.c"
+ puts "\t$msg: Updating egen when getting an old vote."
+
+ #
+ # Find the last client and save the election generation number.
+ # Close the last client and adjust the list of envs to process.
+ #
+ set i [expr $nclients - 1]
+ set last [lindex $envlist end]
+ set clientenv($i) [lindex $last 0]
+ set egen($i) \
+ [stat_field $clientenv($i) rep_stat "Election generation number"]
+ error_check_good clientenv_close($i) [$clientenv($i) close] 0
+ set envlist [lreplace $envlist end end]
+
+ # Run a few more elections while the last client is closed.
+ # Make sure we don't pick the closed client as the winner,
+ # and require votes from one fewer site.
+ #
+ set orig_nvotes $nvotes
+ set orig_nclients $nclients
+ set nvotes [expr $orig_nvotes - 1]
+ set nclients [expr $orig_nclients - 1]
+ for { set j 0 } { $j < $nelect } { incr j } {
+ set winner [berkdb random_int 0 [expr $nclients - 1]]
+ setpriority pri $nclients $winner
+ set elector [berkdb random_int 0 [expr $nclients - 1]]
+ run_election env_cmd envlist err_cmd pri crash $qdir \
+ $msg $elector $nsites $nvotes $nclients $winner 1 $dbname
+ }
+ process_msgs $envlist
+ #
+ # Verify that the last client's election generation number has
+ # changed, and that it matches the other clients.
+ #
+ set pair [lindex $envlist 0]
+ set clenv [lindex $pair 0]
+ set clegen [stat_field \
+ $clenv rep_stat "Election generation number"]
+
+ # Reopen last client's env. Do not run recovery, but do
+ # process messages to get the egen updated.
+ replclear $envid
+ set clientenv($i) [eval $env_cmd($i)]
+ lappend envlist "$clientenv($i) $envid"
+ error_check_good client_reopen [is_valid_env $clientenv($i)] TRUE
+ process_msgs $envlist
+
+ set newegen($i) \
+ [stat_field $clientenv($i) rep_stat "Election generation number"]
+ error_check_bad egen_changed $newegen($i) $egen($i)
+ error_check_good egen_changed1 $newegen($i) $clegen
+
+ set msg "Rep$tnum.d"
+ puts "\t$msg: New client starts election."
+ #
+ # Run another election, this time called by the last client.
+ # This should succeed because the last client has already
+ # caught up to the others for egen.
+ #
+ set winner 2
+ set nvotes $orig_nvotes
+ set nclients $orig_nclients
+ set elector [expr $nclients - 1]
+ setpriority pri $nclients $winner
+ run_election env_cmd envlist err_cmd pri crash $qdir \
+ $msg $elector $nsites $nvotes $nclients $winner 0 $dbname
+
+ set newegen($i) \
+ [stat_field $clientenv($i) rep_stat "Election generation number"]
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ set clientenv($i) [lindex $pair 0]
+ set egen($i) [stat_field \
+ $clientenv($i) rep_stat "Election generation number"]
+ }
+ error_check_good egen_catchup $egen(4) $egen(3)
+
+ # Skip this part of the test for mixed-mode logging,
+ # since we can't recover with in-memory logs.
+ if { $mixed_mode_logging == 0 } {
+ set msg "Rep$tnum.e"
+ puts "\t$msg: Election generation set as expected after recovery."
+ # Note all client egens. Close, recover, process messages,
+ # and check that egens are unchanged.
+ set big_e [big_endian]
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ set clientenv($i) [lindex $pair 0]
+ # Can only get egen file if repfiles on-disk.
+ if { $repfiles_in_memory == 0 } {
+ set fid [open $clientdir($i)/__db.rep.egen r]
+ fconfigure $fid -translation binary
+ set data [read $fid 4]
+ if { $big_e } {
+ binary scan $data I egen($i)
+ } else {
+ binary scan $data i egen($i)
+ }
+ binary scan $data c val
+ close $fid
+ }
+ $clientenv($i) log_flush
+ error_check_good \
+ clientenv_close($i) [$clientenv($i) close] 0
+ set clientenv($i) [eval $env_cmd($i) -recover]
+ set envlist [lreplace \
+ $envlist $i $i "$clientenv($i) [expr $i + 2]"]
+ }
+ process_msgs $envlist
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ set newegen($i) [stat_field $clientenv($i) \
+ rep_stat "Election generation number"]
+ if { $repfiles_in_memory == 0 } {
+ error_check_good egen_recovery $egen($i) \
+ $newegen($i)
+ } else {
+ # For rep in-memory, egen expected to start
+ # over at 1 after close/reopen environment.
+ error_check_good egen_recovery $newegen($i) 1
+ }
+ }
+
+ # Run an election. Now the egens should go forward.
+ set winner [berkdb random_int 0 [expr $nclients - 1]]
+ setpriority pri $nclients $winner
+ set elector [berkdb random_int 0 [expr $nclients - 1]]
+ run_election env_cmd envlist err_cmd pri crash $qdir \
+ $msg $elector $nsites $nvotes $nclients $winner 1 $dbname
+
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ set clientenv($i) [lindex $pair 0]
+ set newegen($i) [stat_field $clientenv($i) \
+ rep_stat "Election generation number"]
+ if { $repfiles_in_memory == 0 } {
+ error_check_good egen_forward \
+ [expr $newegen($i) > $egen($i)] 1
+ } else {
+ # For rep in-memory, egen expected to
+ # increment to 2 after election.
+ error_check_good egen_recovery $newegen($i) 2
+ }
+ }
+ }
+
+ foreach pair $envlist {
+ set cenv [lindex $pair 0]
+ error_check_good cenv_close [$cenv close] 0
+ }
+
+ replclose $testdir/MSGQUEUEDIR
+}
+