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# See the file LICENSE for redistribution information.
#
# Copyright (c) 2001,2007 Oracle. All rights reserved.
#
# $Id: rep053.tcl,v 12.19 2007/05/17 19:33:06 bostic Exp $
#
# TEST rep053
# TEST Replication and basic client-to-client synchronization.
# TEST
# TEST Open and start up master and 1 client.
# TEST Start up a second client later and verify it sync'ed from
# TEST the original client, not the master.
#
proc rep053 { method { niter 200 } { tnum "053" } args } {
source ./include.tcl
if { $is_windows9x_test == 1 } {
puts "Skipping replication test on Win 9x platform."
return
}
# Valid for all access methods.
if { $checking_valid_methods } {
return "ALL"
}
set args [convert_args $method $args]
set logsets [create_logsets 3]
# Run the body of the test with and without recovery,
# and with and without cleaning. Skip recovery with in-memory
# logging - it doesn't make sense.
set throttle { "throttle" "" }
foreach r $test_recopts {
foreach t $throttle {
foreach l $logsets {
set logindex [lsearch -exact $l "in-memory"]
if { $r == "-recover" && $logindex != -1 } {
puts "Skipping rep$tnum for -recover\
with in-memory logs."
continue
}
puts "Rep$tnum ($method $r $t):\
Replication and client-to-client sync up."
puts "Rep$tnum: Master logs are [lindex $l 0]"
puts "Rep$tnum: Client logs are [lindex $l 1]"
puts "Rep$tnum: Client2 logs are [lindex $l 2]"
rep053_sub $method $niter $tnum $l $r $t $args
}
}
}
}
proc rep053_sub { method niter tnum logset recargs throttle largs } {
global anywhere
global testdir
global util_path
global rep_verbose
set verbargs ""
if { $rep_verbose == 1 } {
set verbargs " -verbose {rep on} "
}
env_cleanup $testdir
set orig_tdir $testdir
replsetup $testdir/MSGQUEUEDIR
set masterdir $testdir/MASTERDIR
set clientdir $testdir/CLIENTDIR
set delaycldir1 $testdir/DELAYCLDIR.1
file mkdir $masterdir
file mkdir $clientdir
file mkdir $delaycldir1
set m_logtype [lindex $logset 0]
set c_logtype [lindex $logset 1]
set c2_logtype [lindex $logset 2]
# In-memory logs cannot be used with -txn nosync.
set m_logargs [adjust_logargs $m_logtype]
set c_logargs [adjust_logargs $c_logtype]
set c2_logargs [adjust_logargs $c2_logtype]
set m_txnargs [adjust_txnargs $m_logtype]
set c_txnargs [adjust_txnargs $c_logtype]
set c2_txnargs [adjust_txnargs $c2_logtype]
# Open a master.
repladd 1
set ma_envcmd "berkdb_env_noerr -create $m_txnargs \
$m_logargs -errpfx MASTER $verbargs \
-home $masterdir -rep_transport \[list 1 replsend\]"
set masterenv [eval $ma_envcmd $recargs -rep_master]
# Open two clients
repladd 2
set cl_envcmd "berkdb_env_noerr -create $c_txnargs \
$c_logargs -errpfx CLIENT $verbargs \
-home $clientdir -rep_transport \[list 2 replsend\]"
set clientenv [eval $cl_envcmd $recargs -rep_client]
# If throttling is specified, turn it on here. Throttle the
# client, since this is a test of client-to-client sync-up.
if { $throttle == "throttle" } {
error_check_good \
throttle [$clientenv rep_limit 0 [expr 8 * 1024]] 0
}
#
# Set up delayed client command, but don't eval until later.
# !!! Do NOT put the 'repladd' call here because we don't
# want this client to already have the backlog of records
# when it starts.
#
set dc1_envcmd "berkdb_env_noerr -create $c2_txnargs \
$c2_logargs -errpfx DELAYCL $verbargs \
-home $delaycldir1 -rep_transport \[list 3 replsend\]"
# Bring the client online by processing the startup messages.
set envlist "{$masterenv 1} {$clientenv 2}"
process_msgs $envlist
puts "\tRep$tnum.a: Run rep_test in master env."
set start 0
eval rep_test $method $masterenv NULL $niter $start $start 0 0 $largs
incr start $niter
process_msgs $envlist
puts "\tRep$tnum.b: Start new client."
set anywhere 1
repladd 3
set newclient [eval $dc1_envcmd $recargs -rep_client]
error_check_good client2_env [is_valid_env $newclient] TRUE
set envlist "{$masterenv 1} {$clientenv 2} {$newclient 3}"
process_msgs $envlist
puts "\tRep$tnum.c: Verify sync-up from client."
set req [stat_field $clientenv rep_stat "Client service requests"]
set miss [stat_field $clientenv rep_stat "Client service req misses"]
set rereq [stat_field $newclient rep_stat "Client rerequests"]
# To complete the internal init, we need a PAGE_REQ and a LOG_REQ. These
# requests get served by $clientenv. Since the end-of-range specified
# in the LOG_REQ points to the very end of the log (i.e., the LSN given
# in the NEWMASTER message), the serving client gets NOTFOUND in its log
# cursor reading loop, and can't tell whether it simply hit the end, or
# is really missing sufficient log records to fulfill the request. So
# it counts a "miss" and generates a rerequest. When internal init
# finishes recovery, it sends an ALL_REQ, for a total of 3 requests in
# the simple case, and more than 3 in the "throttle" case.
#
set expected_msgs 3
if { [is_queue $method] } {
# Queue database require an extra request
# to retrieve the meta page.
incr expected_msgs
}
if { $throttle == "throttle" } {
error_check_good req [expr $req > $expected_msgs] 1
} else {
error_check_good req $req $expected_msgs
}
error_check_good miss $miss 1
error_check_good rereq $rereq 1
# Check for throttling.
if { $throttle == "throttle" } {
set num_throttles \
[stat_field $clientenv rep_stat "Transmission limited"]
error_check_bad client_throttling $num_throttles 0
}
rep_verify $masterdir $masterenv $clientdir $clientenv
# Process messages again in case we are running with debug_rop.
process_msgs $envlist
rep_verify $masterdir $masterenv $delaycldir1 $newclient
puts "\tRep$tnum.d: Run rep_test more in master env and verify."
set niter 10
eval rep_test $method $masterenv NULL $niter $start $start 0 0 $largs
incr start $niter
process_msgs $envlist
rep_verify $masterdir $masterenv $clientdir $clientenv
process_msgs $envlist
rep_verify $masterdir $masterenv $delaycldir1 $newclient
puts "\tRep$tnum.e: Closing"
error_check_good master_close [$masterenv close] 0
error_check_good client_close [$clientenv close] 0
error_check_good dc1_close [$newclient close] 0
replclose $testdir/MSGQUEUEDIR
set testdir $orig_tdir
set anywhere 0
return
}
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