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# See the file LICENSE for redistribution information.
#
# Copyright (c) 2004-2009 Oracle. All rights reserved.
#
# $Id$
#
# TEST rep036
# TEST Multiple master processes writing to the database.
# TEST One process handles all message processing.
proc rep036 { method { niter 200 } { tnum "036" } args } {
source ./include.tcl
global repfiles_in_memory
if { $is_windows9x_test == 1 } {
puts "Skipping replication test on Win 9x platform."
return
}
# Valid 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 saved_args $args
set logsets [create_logsets 3]
set msg2 "and on-disk replication files"
if { $repfiles_in_memory } {
set msg2 "and in-memory replication files"
}
foreach l $logsets {
set envargs ""
set args $saved_args
puts "Rep$tnum: Test sync-up recovery ($method) $msg2."
puts "Rep$tnum: Master logs are [lindex $l 0]"
puts "Rep$tnum: Client 0 logs are [lindex $l 1]"
puts "Rep$tnum: Client 1 logs are [lindex $l 2]"
rep036_sub $method $niter $tnum $envargs $l $args
}
}
proc rep036_sub { method niter tnum envargs logset args } {
source ./include.tcl
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
set m_logtype [lindex $logset 0]
set c_logtype [lindex $logset 1]
# In-memory logs require a large log buffer.
# We always run this test with -txn, so don't adjust txnargs.
set m_logargs [adjust_logargs $m_logtype]
set c_logargs [adjust_logargs $c_logtype]
# Open a master.
repladd 1
set env_cmd(M) "berkdb_env_noerr -create $verbargs $repmemargs \
-log_max 1000000 $envargs -home $masterdir $m_logargs \
-errpfx MASTER -errfile /dev/stderr -txn -rep_master \
-rep_transport \[list 1 replsend\]"
set env1 [eval $env_cmd(M)]
# Open a client
repladd 2
set env_cmd(C) "berkdb_env_noerr -create $verbargs $repmemargs \
-log_max 1000000 $envargs -home $clientdir $c_logargs \
-errfile /dev/stderr -errpfx CLIENT -txn -rep_client \
-rep_transport \[list 2 replsend\]"
set env2 [eval $env_cmd(C)]
# Bring the client online by processing the startup messages.
set envlist "{$env1 1} {$env2 2}"
process_msgs $envlist
# # Start up deadlock detector.
# # Commented out, as are two more sections below - see [#15049].
# set dpid [eval {exec $util_path/db_deadlock} \
# -a o -v -t 2.0 -h $masterdir >& $testdir/dd.parent.out &]
# Set up master database.
set testfile "rep$tnum.db"
set omethod [convert_method $method]
set mdb [eval {berkdb_open_noerr} -env $env1 -auto_commit \
-create -mode 0644 $omethod $testfile]
error_check_good dbopen [is_valid_db $mdb] TRUE
# Put a record in the master database.
set key MAIN_KEY
set string MAIN_STRING
set t [$env1 txn]
error_check_good txn [is_valid_txn $t $env1] TRUE
set txn "-txn $t"
set ret [eval \
{$mdb put} $txn {$key [chop_data $method $string]}]
error_check_good mdb_put $ret 0
error_check_good txn_commit [$t commit] 0
# Fork two writers that write to the master.
set pidlist {}
foreach writer { 1 2 } {
puts "\tRep$tnum.a: Fork child process WRITER$writer."
set pid [exec $tclsh_path $test_path/wrap.tcl \
rep036script.tcl $testdir/rep036script.log.$writer \
$masterdir $writer $niter btree &]
lappend pidlist $pid
}
# Run the main loop until the writers signal completion.
set i 0
while { [file exists $testdir/1.db] == 0 && \
[file exists $testdir/2.db] == 0 } {
set string MAIN_STRING.$i
set t [$env1 txn]
error_check_good txn [is_valid_txn $t $env1] TRUE
set txn "-txn $t"
set ret [eval \
{$mdb put} $txn {$key [chop_data $method $string]}]
# # Writing to this database can deadlock. If we do, let the
# # deadlock detector break the lock, wait a second, and try again.
# while { [catch {eval {$mdb put}\
# $txn {$key [chop_data $method $string]}} ret] } {
# # Make sure the failure is a deadlock.
# error_check_good deadlock [is_substr $ret DB_LOCK_DEADLOCK] 1
# tclsleep 1
# }
error_check_good mdb_put $ret 0
error_check_good txn_commit [$t commit] 0
if { [expr $i % 10] == 0 } {
puts "\tRep036.c: Wrote MAIN record $i"
}
incr i
# Process messages.
process_msgs $envlist
# Wait a while, then do it all again.
tclsleep 1
}
# Confirm that the writers are done and process the messages
# once more to be sure the client is caught up.
watch_procs $pidlist 1
process_msgs $envlist
# # We are done with the deadlock detector.
# error_check_good kill_deadlock_detector [tclkill $dpid] ""
puts "\tRep$tnum.c: Verify logs and databases"
# Check that master and client logs and dbs are identical.
# Logs first ...
set stat [catch {eval exec $util_path/db_printlog \
-h $masterdir > $masterdir/prlog} result]
error_check_good stat_mprlog $stat 0
set stat [catch {eval exec $util_path/db_printlog \
-h $clientdir > $clientdir/prlog} result]
error_check_good mdb [$mdb close] 0
error_check_good stat_cprlog $stat 0
# error_check_good log_cmp \
# [filecmp $masterdir/prlog $clientdir/prlog] 0
# ... now the databases.
set db1 [eval {berkdb_open_noerr -env $env1 -rdonly $testfile}]
set db2 [eval {berkdb_open_noerr -env $env2 -rdonly $testfile}]
error_check_good comparedbs [db_compare \
$db1 $db2 $masterdir/$testfile $clientdir/$testfile] 0
error_check_good db1_close [$db1 close] 0
error_check_good db2_close [$db2 close] 0
error_check_good env1_close [$env1 close] 0
error_check_good env2_close [$env2 close] 0
replclose $testdir/MSGQUEUEDIR
}
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