# See the file LICENSE for redistribution information.
#
# Copyright (c) 2004-2005
#	Sleepycat Software.  All rights reserved.
#
# $Id: rep037.tcl,v 12.4 2005/10/18 19:04:17 carol Exp $
#
# TEST	rep037
# TEST	Test of internal initialization and page throttling.
# TEST
# TEST	One master, one client, force page throttling.
# TEST	Generate several log files.
# TEST	Remove old master log files.
# TEST	Delete client files and restart client.
# TEST	Put one more record to the master.
# TEST  Verify page throttling occurred.
#
proc rep037 { method { niter 1500 } { tnum "037" } args } {

	source ./include.tcl
	if { $is_windows9x_test == 1 } { 
		puts "Skipping replication test on Win 9x platform."
		return
	} 
	set args [convert_args $method $args]
	set saved_args $args

        # This test needs to set its own pagesize.
	set pgindex [lsearch -exact $args "-pagesize"]
	if { $pgindex != -1 } {
		puts "Rep$tnum: skipping for specific pagesizes"
		return
	}

	# Run the body of the test with and without recovery,
	# and with and without cleaning.
	set recopts { "" " -recover " }
	set cleanopts { clean noclean }
	foreach r $recopts {
		foreach c $cleanopts {
			set args $saved_args
			puts "Rep$tnum ($method $c $r $args):\
			    Test of internal initialization - page throttling."
			rep037_sub $method $niter $tnum $r $c $args
		}
	}
}

proc rep037_sub { method niter tnum recargs clean largs } {
	global testdir
	global util_path

	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_buf [expr $pagesize * 2]
	set log_max [expr $log_buf * 4]

	# Open a master.
	repladd 1
	set ma_envcmd "berkdb_env_noerr -create -txn nosync \
	    -log_buffer $log_buf -log_max $log_max \
	    -home $masterdir -rep_transport \[list 1 replsend\]"
#	set ma_envcmd "berkdb_env_noerr -create -txn nosync \
#	    -log_buffer $log_buf -log_max $log_max \
#	    -verbose {rep on} -errpfx MASTER \
#	    -home $masterdir -rep_transport \[list 1 replsend\]"
	set masterenv [eval $ma_envcmd $recargs -rep_master]
	$masterenv rep_limit 0 [expr 32 * 1024]
	error_check_good master_env [is_valid_env $masterenv] TRUE

	# Open a client
	repladd 2
	set cl_envcmd "berkdb_env_noerr -create -txn nosync \
	    -log_buffer $log_buf -log_max $log_max \
	    -home $clientdir -rep_transport \[list 2 replsend\]"
#	set cl_envcmd "berkdb_env_noerr -create -txn nosync \
#	    -log_buffer $log_buf -log_max $log_max \
#	    -verbose {rep on} -errpfx CLIENT \
#	    -home $clientdir -rep_transport \[list 2 replsend\]"
	set clientenv [eval $cl_envcmd $recargs -rep_client]
	error_check_good client_env [is_valid_env $clientenv] TRUE

	# Bring the clients online by processing the startup messages.
	set envlist "{$masterenv 1} {$clientenv 2}"
	process_msgs $envlist

	# Run rep_test in the master (and update client).
	puts "\tRep$tnum.a: Running rep_test in replicated env."
	eval rep_test $method $masterenv NULL $niter 0 0 0 0 $largs
	process_msgs $envlist

	puts "\tRep$tnum.b: Close client."
	error_check_good client_close [$clientenv close] 0

	# Run rep_test in the master (don't update client).
	puts "\tRep$tnum.c: Running rep_test in replicated env."
	eval rep_test $method $masterenv NULL $niter 0 0 0 0 $largs
	replclear 2

	puts "\tRep$tnum.d: Run db_archive on master."
	set res [eval exec $util_path/db_archive -l -h $masterdir]
	error_check_bad log.1.present [lsearch -exact $res log.0000000001] -1
	set res [eval exec $util_path/db_archive -d -h $masterdir]
	set res [eval exec $util_path/db_archive -l -h $masterdir]
	error_check_good log.1.gone [lsearch -exact $res log.0000000001] -1

	puts "\tRep$tnum.e: Reopen client ($clean)."
	if { $clean == "clean" } {
		env_cleanup $clientdir
	}
	set clientenv [eval $cl_envcmd $recargs -rep_client]
	error_check_good client_env [is_valid_env $clientenv] TRUE
	set envlist "{$masterenv 1} {$clientenv 2}"
	process_msgs $envlist 0 NONE err
	if { $clean == "noclean" } {
		puts "\tRep$tnum.e.1: Trigger log request"
		#
		# When we don't clean, starting the client doesn't
		# trigger any events.  We need to generate some log
		# records so that the client requests the missing
		# logs and that will trigger it.
		#
		set entries 10
		eval rep_test $method $masterenv NULL $entries $niter 0 0 0 $largs
		process_msgs $envlist 0 NONE err
	}

	puts "\tRep$tnum.f: Verify logs and databases"
	rep_verify $masterdir $masterenv $clientdir $clientenv 1

	puts "\tRep$tnum.g: Verify throttling."
	if { $niter > 1000 } {
                set nthrottles \
		    [stat_field $masterenv rep_stat "Transmission limited"]
		error_check_bad nthrottles $nthrottles -1
		error_check_bad nthrottles $nthrottles 0
	}
	error_check_good masterenv_close [$masterenv close] 0
	error_check_good clientenv_close [$clientenv close] 0
	replclose $testdir/MSGQUEUEDIR
}
