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235 lines
7.1 KiB
Tcl
235 lines
7.1 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2001, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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# TEST rep053
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# TEST Replication and basic client-to-client synchronization.
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# TEST
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# TEST Open and start up master and 1 client.
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# TEST Start up a second client later and verify it sync'ed from
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# TEST the original client, not the master.
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#
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proc rep053 { method { niter 200 } { tnum "053" } args } {
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source ./include.tcl
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global databases_in_memory
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global repfiles_in_memory
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global env_private
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# Valid for all access methods.
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if { $checking_valid_methods } {
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return "ALL"
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}
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set args [convert_args $method $args]
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set logsets [create_logsets 3]
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# Set up for on-disk or in-memory databases.
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set msg "using on-disk databases"
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if { $databases_in_memory } {
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set msg "using named in-memory databases"
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if { [is_queueext $method] } {
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puts -nonewline "Skipping rep$tnum for method "
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puts "$method with named in-memory databases."
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return
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}
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}
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set msg2 "and on-disk replication files"
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if { $repfiles_in_memory } {
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set msg2 "and in-memory replication files"
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}
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set msg3 ""
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if { $env_private } {
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set msg3 "with private env"
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}
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# Run the body of the test with and without recovery,
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# and with and without cleaning. Skip recovery with in-memory
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# logging - it doesn't make sense.
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set throttle { "throttle" "" }
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foreach r $test_recopts {
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foreach t $throttle {
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foreach l $logsets {
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set logindex [lsearch -exact $l "in-memory"]
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if { $r == "-recover" && $logindex != -1 } {
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puts "Skipping rep$tnum for -recover\
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with in-memory logs."
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continue
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}
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puts "Rep$tnum ($method $r $t): Replication\
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and client-to-client sync up\
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$msg $msg2 $msg3."
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puts "Rep$tnum: Master logs are [lindex $l 0]"
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puts "Rep$tnum: Client logs are [lindex $l 1]"
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puts "Rep$tnum: Client2 logs are [lindex $l 2]"
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rep053_sub $method $niter $tnum $l $r $t $args
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}
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}
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}
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}
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proc rep053_sub { method niter tnum logset recargs throttle largs } {
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global anywhere
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global testdir
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global util_path
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global databases_in_memory
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global repfiles_in_memory
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global env_private
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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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set repmemargs ""
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if { $repfiles_in_memory } {
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set repmemargs "-rep_inmem_files "
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}
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set privargs ""
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if { $env_private == 1 } {
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set privargs " -private "
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}
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env_cleanup $testdir
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set orig_tdir $testdir
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replsetup $testdir/MSGQUEUEDIR
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set masterdir $testdir/MASTERDIR
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set clientdir $testdir/CLIENTDIR
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set delaycldir1 $testdir/DELAYCLDIR.1
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file mkdir $masterdir
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file mkdir $clientdir
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file mkdir $delaycldir1
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set m_logtype [lindex $logset 0]
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set c_logtype [lindex $logset 1]
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set c2_logtype [lindex $logset 2]
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# In-memory logs cannot be used with -txn nosync.
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set m_logargs [adjust_logargs $m_logtype]
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set c_logargs [adjust_logargs $c_logtype]
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set c2_logargs [adjust_logargs $c2_logtype]
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set m_txnargs [adjust_txnargs $m_logtype]
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set c_txnargs [adjust_txnargs $c_logtype]
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set c2_txnargs [adjust_txnargs $c2_logtype]
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# Open a master.
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repladd 1
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set ma_envcmd "berkdb_env_noerr -create $m_txnargs \
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$m_logargs -errpfx MASTER $verbargs $repmemargs $privargs \
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-home $masterdir -rep_transport \[list 1 replsend\]"
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set masterenv [eval $ma_envcmd $recargs -rep_master]
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# Open two clients
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repladd 2
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set cl_envcmd "berkdb_env_noerr -create $c_txnargs \
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$c_logargs -errpfx CLIENT $verbargs $repmemargs $privargs \
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-home $clientdir -rep_transport \[list 2 replsend\]"
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set clientenv [eval $cl_envcmd $recargs -rep_client]
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# If throttling is specified, turn it on here. Throttle the
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# client, since this is a test of client-to-client sync-up.
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if { $throttle == "throttle" } {
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error_check_good \
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throttle [$clientenv rep_limit 0 [expr 8 * 1024]] 0
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}
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#
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# Set up delayed client command, but don't eval until later.
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# !!! Do NOT put the 'repladd' call here because we don't
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# want this client to already have the backlog of records
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# when it starts.
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#
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set dc1_envcmd "berkdb_env_noerr -create $c2_txnargs \
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$c2_logargs -errpfx DELAYCL $verbargs $repmemargs $privargs \
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-home $delaycldir1 -rep_transport \[list 3 replsend\]"
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# Bring the client online by processing the startup messages.
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set envlist "{$masterenv 1} {$clientenv 2}"
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process_msgs $envlist
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puts "\tRep$tnum.a: Run rep_test in master env."
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set start 0
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eval rep_test $method $masterenv NULL $niter $start $start 0 $largs
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incr start $niter
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process_msgs $envlist
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puts "\tRep$tnum.b: Start new client."
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set anywhere 1
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repladd 3
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set newclient [eval $dc1_envcmd $recargs -rep_client]
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error_check_good client2_env [is_valid_env $newclient] TRUE
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set envlist "{$masterenv 1} {$clientenv 2} {$newclient 3}"
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process_msgs $envlist
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puts "\tRep$tnum.c: Verify sync-up from client."
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set req [stat_field $clientenv rep_stat "Client service requests"]
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set miss [stat_field $clientenv rep_stat "Client service req misses"]
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set rereq [stat_field $newclient rep_stat "Client rerequests"]
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# To complete the internal init, we need a PAGE_REQ and a LOG_REQ. These
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# requests get served by $clientenv. Since the end-of-range specified
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# in the LOG_REQ points to the very end of the log (i.e., the LSN given
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# in the NEWMASTER message), the serving client gets NOTFOUND in its log
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# cursor reading loop, and can't tell whether it simply hit the end, or
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# is really missing sufficient log records to fulfill the request. So
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# it counts a "miss" and generates a rerequest. When internal init
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# finishes recovery, it sends an ALL_REQ, for a total of 3 requests in
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# the simple case, and more than 3 in the "throttle" case.
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#
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set expected_msgs 3
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if { [is_queue $method] } {
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# Queue database require an extra request
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# to retrieve the meta page.
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incr expected_msgs
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}
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if { $throttle == "throttle" } {
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error_check_good req [expr $req > $expected_msgs] 1
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} else {
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error_check_good min_req [expr $req >= $expected_msgs] 1
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set max_expected_msgs [expr $expected_msgs * 2]
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error_check_good max_req [expr $req <= $max_expected_msgs] 1
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}
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error_check_good miss=rereq $miss $rereq
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# Check for throttling.
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if { $throttle == "throttle" } {
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set num_throttles \
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[stat_field $clientenv rep_stat "Transmission limited"]
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error_check_bad client_throttling $num_throttles 0
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}
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rep_verify $masterdir $masterenv $clientdir $clientenv 0 1 1
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# Process messages again in case we are running with debug_rop.
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process_msgs $envlist
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rep_verify $masterdir $masterenv $delaycldir1 $newclient 0 1 1
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puts "\tRep$tnum.d: Run rep_test more in master env and verify."
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set niter 10
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eval rep_test $method $masterenv NULL $niter $start $start 0 $largs
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incr start $niter
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process_msgs $envlist
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rep_verify $masterdir $masterenv $clientdir $clientenv 0 1 1
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process_msgs $envlist
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rep_verify $masterdir $masterenv $delaycldir1 $newclient 0 1 1
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puts "\tRep$tnum.e: Closing"
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error_check_good master_close [$masterenv close] 0
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error_check_good client_close [$clientenv close] 0
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error_check_good dc1_close [$newclient close] 0
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replclose $testdir/MSGQUEUEDIR
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set testdir $orig_tdir
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set anywhere 0
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return
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}
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