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Diffstat (limited to 'db-4.8.30/test/rep066.tcl')
| -rw-r--r-- | db-4.8.30/test/rep066.tcl | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/db-4.8.30/test/rep066.tcl b/db-4.8.30/test/rep066.tcl new file mode 100644 index 0000000..f0f5ff3 --- /dev/null +++ b/db-4.8.30/test/rep066.tcl @@ -0,0 +1,269 @@ +# See the file LICENSE for redistribution information. +# +# Copyright (c) 2001-2009 Oracle. All rights reserved. +# +# $Id$ +# +# TEST rep066 +# TEST Replication and dead log handles. +# TEST +# TEST Run rep_test on master and a client. +# TEST Simulate client crashes (master continues) until log 2. +# TEST Open 2nd master env handle and put something in log and flush. +# TEST Downgrade master, restart client as master. +# TEST Run rep_test on newmaster until log 2. +# TEST New master writes log records, newclient processes records +# TEST and 2nd newclient env handle calls log_flush. +# TEST New master commits, newclient processes and should succeed. +# TEST Make sure 2nd handle detects the old log handle and doesn't +# TEST write to a stale handle (if it does, the processing of the +# TEST commit will fail). +# +proc rep066 { method { niter 10 } { tnum "066" } args } { + + source ./include.tcl + global databases_in_memory + global repfiles_in_memory + + if { $is_windows9x_test == 1 } { + puts "Skipping replication test on Win 9x platform." + return + } + + # Run for all access methods. + if { $checking_valid_methods } { + return "ALL" + } + + # This test requires a second handle on an env, and HP-UX + # doesn't support that. + if { $is_hp_test } { + puts "Skipping rep$tnum for HP-UX." + return + } + + set args [convert_args $method $args] + set logsets [create_logsets 2] + + # 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" + } + + # Run the body of the test with and without recovery. + foreach r $test_recopts { + foreach l $logsets { + set logindex [lsearch -exact $l "in-memory"] + if { $r == "-recover" && $logindex != -1 } { + puts "Rep$tnum: Skipping\ + for in-memory logs with -recover." + continue + } + puts "Rep$tnum ($method $r):\ + Replication and dead log handles $msg $msg2." + puts "Rep$tnum: Master logs are [lindex $l 0]" + puts "Rep$tnum: Client logs are [lindex $l 1]" + rep066_sub $method $niter $tnum $l $r $args + } + } +} + +proc rep066_sub { method niter tnum logset recargs largs } { + global testdir + 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 + + replsetup $testdir/MSGQUEUEDIR + + set masterdir $testdir/MASTERDIR + set clientdir $testdir/CLIENTDIR + file mkdir $masterdir + file mkdir $clientdir + + # Log size is small so we quickly create more than one. + # The documentation says that the log file must be at least + # four times the size of the in-memory log buffer. + set pagesize 4096 + append largs " -pagesize $pagesize " + set log_max [expr $pagesize * 8] + + set m_logtype [lindex $logset 0] + set c_logtype [lindex $logset 1] + + # In-memory logs require a large log buffer, and cannot + # be used with -txn nosync. + set m_logargs [adjust_logargs $m_logtype] + set c_logargs [adjust_logargs $c_logtype] + set m_txnargs [adjust_txnargs $m_logtype] + set c_txnargs [adjust_txnargs $c_logtype] + + # Open a master. + # Later we'll open a 2nd handle to this env. + repladd 1 + set ma_envcmd "berkdb_env_noerr -create $m_txnargs \ + $repmemargs \ + $m_logargs -errpfx ENV0 -log_max $log_max $verbargs \ + -home $masterdir -rep_transport \[list 1 replsend\]" + set env0 [eval $ma_envcmd $recargs -rep_master] + set masterenv $env0 + + # Open a client. + repladd 2 + set cl_envcmd "berkdb_env_noerr -create $c_txnargs \ + $repmemargs \ + $c_logargs -errpfx ENV1 -log_max $log_max $verbargs \ + -home $clientdir -rep_transport \[list 2 replsend\]" + set env1 [eval $cl_envcmd $recargs -rep_client] + set clientenv $env1 + + # Bring the clients online by processing the startup messages. + set envlist "{$env0 1} {$env1 2}" + process_msgs $envlist + + # Run a modified test001 in the master (and update clients). + puts "\tRep$tnum.a.0: Running rep_test in replicated env." + eval rep_test $method $masterenv NULL $niter 0 0 0 $largs + process_msgs $envlist + + set nstart $niter + set last_client_log [get_logfile $env1 last] + set stop 0 + while { $stop == 0 } { + puts "\tRep$tnum.b: Run test on master until log file changes." + eval rep_test\ + $method $masterenv NULL $niter $nstart $nstart 0 $largs + incr nstart $niter + replclear 2 + set last_master_log [get_logfile $masterenv last] + if { $last_master_log > $last_client_log } { + set stop 1 + } + } + + # Open a 2nd env handle on the master. + # We want to have some operations happen on the normal + # handle and then flush them with this handle. + puts "\tRep$tnum.c: Open 2nd master env and flush log." + set 2ndenv [eval $ma_envcmd -rep_master -errpfx 2NDENV] + error_check_good master_env [is_valid_env $2ndenv] TRUE + + + # Set up databases as in-memory or on-disk. + if { $databases_in_memory } { + set testfile { "" "test.db" } + } else { + set testfile "test.db" + } + + set omethod [convert_method $method] + set txn [$masterenv txn] + error_check_good txn [is_valid_txn $txn $masterenv] TRUE + set db [eval {berkdb_open_noerr -env $masterenv -errpfx MASTER \ + -txn $txn -create -mode 0644} $largs $omethod $testfile] + error_check_good dbopen [is_valid_db $db] TRUE + + # Flush on the 2nd handle + set lf [stat_field $2ndenv log_stat "Times log flushed to disk"] + error_check_good flush [$2ndenv log_flush] 0 + set lf2 [stat_field $2ndenv log_stat "Times log flushed to disk"] + error_check_bad log_flush $lf $lf2 + + # The detection of dead log handle is based on a 1-second resolution + # timestamp comparison. Now that we've established the threatening + # source of the dead handle in $2ndenv, wait a moment to make sure that + # the fresh handle that we're about to create gets a later timestamp. + tclsleep 1 + + # Resolve the txn and close the database + error_check_good commit [$txn commit] 0 + error_check_good close [$db close] 0 + + # Nuke those messages for client about to become master. + replclear 2 + + puts "\tRep$tnum.d: Swap envs" + set masterenv $env1 + set clientenv $env0 + error_check_good downgrade [$clientenv rep_start -client] 0 + error_check_good upgrade [$masterenv rep_start -master] 0 + set envlist "{$env0 1} {$env1 2}" + process_msgs $envlist + + # + # At this point, env0 should have rolled back across the log file. + # We need to do some operations on the master, process them on + # the client (but not a commit because that flushes). We want + # the message processing client env (env0) to put records in + # the log buffer and the 2nd env handle to flush the log. + # + puts "\tRep$tnum.e: Run test until create new log file." + # + # Set this to the last log file the old master had. + # + set last_client_log $last_master_log + set last_master_log [get_logfile $masterenv last] + set stop 0 + while { $stop == 0 } { + puts "\tRep$tnum.e: Run test on master until log file changes." + eval rep_test\ + $method $masterenv NULL $niter $nstart $nstart 0 $largs + process_msgs $envlist + incr nstart $niter + set last_master_log [get_logfile $masterenv last] + if { $last_master_log == $last_client_log } { + set stop 1 + } + } + puts "\tRep$tnum.f: Create some log records." + set txn [$masterenv txn] + error_check_good txn [is_valid_txn $txn $masterenv] TRUE + set db [eval {berkdb_open_noerr -env $masterenv -errpfx MASTER \ + -txn $txn -create -mode 0644} $largs $omethod $testfile] + error_check_good dbopen [is_valid_db $db] TRUE + + process_msgs $envlist + # Flush on the 2nd handle + puts "\tRep$tnum.g: Flush on 2nd env handle." + set lf [stat_field $2ndenv log_stat "Times log flushed to disk"] + error_check_good flush [$2ndenv log_flush] 0 + set lf2 [stat_field $2ndenv log_stat "Times log flushed to disk"] + error_check_bad log_flush2 $lf $lf2 + + # Resolve the txn and close the database + puts "\tRep$tnum.h: Process commit on client env handle." + error_check_good commit [$txn commit] 0 + error_check_good close [$db close] 0 + process_msgs $envlist + + error_check_good cl2_close [$2ndenv close] 0 + error_check_good env0_close [$env0 close] 0 + error_check_good env1_close [$env1 close] 0 + replclose $testdir/MSGQUEUEDIR + return +} + |