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# See the file LICENSE for redistribution information.
#
# Copyright (c)-2009 Oracle. All rights reserved.
#
# TEST rep083
# TEST Replication clients must never send VERIFY_FAIL to a c2c request.
# TEST
# TEST Regression test for a bug [#16592] where a client could send a
# TEST VERIFY_FAIL to another client, which is illegal.
#
proc rep083 { method { niter 200 } { tnum "083" } args } {
source ./include.tcl
global repfiles_in_memory
if { $is_windows9x_test == 1 } {
puts "Skipping replication test on Win9x platform."
return
}
if { $checking_valid_methods } {
return "ALL"
}
set args [convert_args $method $args]
set msg2 "and on-disk replication files"
if { $repfiles_in_memory } {
set msg2 "and in-memory replication files"
}
puts "Rep$tnum: ($method)\
Test that client never sends VERIFY_FAIL $msg2."
rep083_sub $method $niter $tnum $args
}
proc rep083_sub { method niter tnum largs } {
global testdir
global util_path
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
file mkdir [set dirA $testdir/A]
file mkdir [set dirB $testdir/B]
file mkdir [set dirC $testdir/C]
set pagesize 4096
append largs " -pagesize $pagesize "
set log_buf [expr $pagesize * 2]
set log_max [expr $log_buf * 4]
repladd 1
set env_A_cmd "berkdb_env_noerr -create -txn $verbargs $repmemargs \
-log_buffer $log_buf -log_max $log_max -errpfx SITE_A \
-home $dirA -rep_transport \[list 1 replsend\]"
set envs(A) [eval $env_A_cmd -rep_master]
# Open a client
repladd 2
set env_B_cmd "berkdb_env_noerr -create -txn $verbargs $repmemargs \
-log_buffer $log_buf -log_max $log_max -errpfx SITE_B \
-home $dirB -rep_transport \[list 2 replsend\]"
set envs(B) [eval $env_B_cmd -rep_client]
# Open 2nd client
repladd 3
set env_C_cmd "berkdb_env_noerr -create -txn $verbargs $repmemargs \
-log_buffer $log_buf -log_max $log_max -errpfx SITE_C \
-home $dirC -rep_transport \[list 3 rep083_send\]"
set envs(C) [eval $env_C_cmd -rep_client]
# Bring the clients online by processing the startup messages.
set envlist "{$envs(A) 1} {$envs(B) 2} {$envs(C) 3}"
process_msgs $envlist
# Run rep_test in the master (and update clients).
puts "\tRep$tnum.a: populate initial portion of log."
eval rep_test $method $envs(A) NULL $niter 0 0 0 $largs
process_msgs $envlist
# Take note of the initial value of "Pages received"
set pages_rcvd0 [stat_field $envs(C) rep_stat "Pages received"]
set res [eval exec $util_path/db_archive -l -h $dirB]
set last_client_log [lindex [lsort $res] end]
set stop 0
set start 0
while { $stop == 0 } {
# Run rep_test in the master (don't update client).
puts "\tRep$tnum.b: Fill log until next log file."
incr start $niter
eval rep_test $method $envs(A) NULL $niter $start $start 0 $largs
replclear 3
process_msgs "{$envs(A) 1} {$envs(B) 2}"
puts "\tRep$tnum.c: Run db_archive on client B."
exec $util_path/db_archive -d -h $dirB
set res [eval exec $util_path/db_archive -l -h $dirB]
if { [lsearch -exact $res $last_client_log] == -1} {
set stop 1
}
}
# At this point, client C is far behind (because we've been throwing
# away messages destined to it). And client B has minimal log, because
# we've been aggressively archiving, but the master A has its entire log
# history. Therefore, upon resuming messaging to C, it should be able
# to catch up without doing an internal init.
puts "\tRep$tnum.d: Write one more txn, and resume msging to C."
incr start $niter
eval rep_test $method $envs(A) NULL 1 $start $start 0 $largs
process_msgs $envlist
# Pause and do it one more time, to provide time for client C's
# time-based gap request trigger to work.
#
tclsleep 1
incr start 1
eval rep_test $method $envs(A) NULL 1 $start $start 0 $largs
process_msgs $envlist
# Make sure C didn't do an internal init (which we detect by testing
# whether it received any pages recently).
#
error_check_good no_internal_init \
[stat_field $envs(C) rep_stat "Pages received"] $pages_rcvd0
$envs(C) close
$envs(A) close
$envs(B) close
replclose $testdir/MSGQUEUEDIR
}
# We use this special-purpose wrapper send function only at site C. Since we
# know exactly what sites are in what roles, we can simply hard-code the EID
# numbers: site A (1) is the master, and site B (2) is the desired target site
# for c2c synchronization.
#
proc rep083_send { control rec fromid toid flags lsn } {
if {$toid == 1 && [lsearch $flags "rerequest"] == -1 \
&& [lsearch $flags "any"] != -1} {
set toid 2
}
replsend $control $rec $fromid $toid $flags $lsn
}
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