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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/rep076.tcl
Berkeley DB 4.8 with rust build script for linux.
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+# See the file LICENSE for redistribution information.
+#
+# Copyright (c) 2007-2009 Oracle. All rights reserved.
+#
+# $Id$
+#
+# TEST rep076
+# TEST Replication elections - what happens if elected client
+# TEST does not become master?
+# TEST
+# TEST Set up a master and 3 clients. Take down master, run election.
+# TEST The elected client will ignore the fact that it's been elected,
+# TEST so we still have 2 clients.
+# TEST
+# TEST Run another election, a regular election that allows the winner
+# TEST to become master, and make sure it goes okay. We do this both
+# TEST for the client that ignored its election and for the other client.
+# TEST
+# TEST This simulates what would happen if, say, we had a temporary
+# TEST network partition and lost the winner.
+#
+proc rep076 { method args } {
+ source ./include.tcl
+
+ global mixed_mode_logging
+ global databases_in_memory
+ global repfiles_in_memory
+
+ set tnum "076"
+ if { $is_windows9x_test == 1 } {
+ puts "Skipping replication test on Win 9x platform."
+ return
+ }
+
+ # 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
+ }
+
+ # 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"
+ }
+
+ set nclients 3
+ set logsets [create_logsets [expr $nclients + 1]]
+ set winsets { { 1 1 } { 1 2 } }
+ foreach l $logsets {
+ foreach w $winsets {
+ puts "Rep$tnum ($method): Replication elections -\
+ elected client ignores election $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]]"
+ }
+ rep076_sub $method $nclients $tnum $l $w $args
+ }
+ }
+}
+
+proc rep076_sub { method nclients tnum logset winset largs } {
+ source ./include.tcl
+ global machids
+ global databases_in_memory
+ 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 -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 $verbargs \
+ -event rep_event $repmemargs \
+ -home $clientdir($i) $c_txnargs($i) $c_logargs($i) \
+ -rep_client -rep_transport \[list $envid replsend\]"
+ set clientenv($i) [eval $env_cmd($i)]
+ error_check_good \
+ client_env($i) [is_valid_env $clientenv($i)] TRUE
+ lappend envlist "$clientenv($i) $envid"
+ }
+
+ # Bring the clients online by processing the startup messages.
+ process_msgs $envlist
+
+ # Run a modified test001 in the master.
+ puts "\tRep$tnum.a: Running rep_test in replicated env."
+ set niter 10
+ eval rep_test $method $masterenv NULL $niter 0 0 0 $largs
+ process_msgs $envlist
+
+ # Close master.
+ error_check_good masterenv_close [$masterenv close] 0
+ set envlist [lreplace $envlist 0 0]
+
+ # Winner1 is set up to win the first election, winner2
+ # the second.
+ set m "Rep$tnum.b"
+ set winner1 [lindex $winset 0]
+ set winner2 [lindex $winset 1]
+ set elector 1
+ set nsites $nclients
+ set nvotes $nclients
+ setpriority pri $nclients $winner1
+ if { $databases_in_memory } {
+ set dbname { "" "test.db" }
+ } else {
+ set dbname "test.db"
+ }
+
+ foreach pair $envlist {
+ set i [expr [lindex $pair 1] - 2]
+ replclear [expr $i + 2]
+ set err_cmd($i) "none"
+ 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$i -errfile /dev/stderr"]
+ }
+ }
+
+
+ # Run election where winner will ignore its election and
+ # not be made master.
+ puts "\tRep$tnum: First winner ignores its election."
+ run_election env_cmd envlist err_cmd pri crash $qdir $m\
+ $elector $nsites $nvotes $nclients $winner1 0 $dbname 1
+
+ # Run second election where winner accepts its election and
+ # is made master.
+ puts "\tRep$tnum: Second winner accepts its election."
+ setpriority pri $nclients $winner2
+ run_election env_cmd envlist err_cmd pri crash $qdir $m\
+ $elector $nsites $nvotes $nclients $winner2 0 $dbname
+
+ # Clean up.
+ foreach pair $envlist {
+ set cenv [lindex $pair 0]
+ error_check_good cenv_close [$cenv close] 0
+ }
+
+ replclose $testdir/MSGQUEUEDIR
+}
+