1# See the file LICENSE for redistribution information.
2#
3# Copyright (c) 2005-2009 Oracle.  All rights reserved.
4#
5# $Id$
6#
7# TEST	rep043
8# TEST
9# TEST	Constant writes during upgrade/downgrade.
10# TEST
11# TEST	Three envs take turns being master.  Each env
12# TEST	has a child process which does writes all the
13# TEST	time.  They will succeed when that env is master
14# TEST	and fail when it is not.
15
16proc rep043 { method { rotations 25 } { tnum "043" } args } {
17
18	source ./include.tcl
19	global repfiles_in_memory
20
21	if { $is_windows9x_test == 1 } {
22		puts "Skipping replication test on Win 9x platform."
23		return
24	}
25
26	# Skip for record-based methods.
27	if { $checking_valid_methods } {
28		set test_methods {}
29		foreach method $valid_methods {
30			if { [is_record_based $method] != 1 } {
31				lappend test_methods $method
32			}
33		}
34		return $test_methods
35	}
36	if { [is_record_based $method] == 1 } {
37		puts "Skipping rep$tnum for record-based methods."
38		return
39	}
40
41	set args [convert_args $method $args]
42	set logsets [create_logsets 3]
43
44	set msg2 "and on-disk replication files"
45	if { $repfiles_in_memory } {
46		set msg2 "and in-memory replication files"
47	}
48
49	# Run the body of the test with and without recovery.
50	foreach r $test_recopts {
51		foreach l $logsets {
52			set logindex [lsearch -exact $l "in-memory"]
53			if { $r == "-recover" && $logindex != -1 } {
54				puts "Rep$tnum: Skipping\
55				    for in-memory logs with -recover."
56				continue
57			}
58			puts "Rep$tnum ($method $r): Constant writes with \
59			    rotating master $rotations times $msg2."
60			puts "Rep$tnum: Master logs are [lindex $l 0]"
61			puts "Rep$tnum: Client 0 logs are [lindex $l 1]"
62			puts "Rep$tnum: Client 1 logs are [lindex $l 2]"
63			rep043_sub $method $rotations $tnum $l $r $args
64		}
65	}
66}
67
68proc rep043_sub { method rotations tnum logset recargs largs } {
69	source ./include.tcl
70	global repfiles_in_memory
71	global rep_verbose
72	global verbose_type
73
74	set verbargs ""
75	if { $rep_verbose == 1 } {
76		set verbargs " -verbose {$verbose_type on} "
77	}
78
79	set repmemargs ""
80	if { $repfiles_in_memory } {
81		set repmemargs "-rep_inmem_files "
82	}
83
84	env_cleanup $testdir
85	set orig_tdir $testdir
86
87	replsetup $testdir/MSGQUEUEDIR
88
89	set masterdir $testdir/ENV0
90	set clientdir $testdir/ENV1
91	set clientdir2 $testdir/ENV2
92	file mkdir $masterdir
93	file mkdir $clientdir
94	file mkdir $clientdir2
95
96	set m_logtype [lindex $logset 0]
97	set c_logtype [lindex $logset 1]
98	set c2_logtype [lindex $logset 2]
99
100	# In-memory logs require a large log buffer, and cannot
101	# be used with -txn nosync.
102	set m_logargs [adjust_logargs $m_logtype]
103	set c_logargs [adjust_logargs $c_logtype]
104	set c2_logargs [adjust_logargs $c2_logtype]
105	set m_txnargs [adjust_txnargs $m_logtype]
106	set c_txnargs [adjust_txnargs $c_logtype]
107	set c2_txnargs [adjust_txnargs $c2_logtype]
108
109	set niter 200
110	set testfile rep043.db
111	set omethod [convert_method $method]
112
113	# Since we're constantly switching master in this test run
114	# each with a different cache size just to verify that cachesize
115	# doesn't matter for different sites.
116
117	# Open a master.
118	repladd 1
119	set ma_envcmd "berkdb_env_noerr -create $m_txnargs $repmemargs \
120	    $m_logargs -errpfx ENV0 -errfile /dev/stderr $verbargs \
121	    -cachesize {0 4194304 3} -lock_detect default \
122	    -home $masterdir -rep_transport \[list 1 replsend\]"
123	set env0 [eval $ma_envcmd $recargs -rep_master]
124
125	# Open two clients
126	repladd 2
127	set cl_envcmd "berkdb_env_noerr -create $c_txnargs $repmemargs \
128	    $c_logargs -errpfx ENV1 -errfile /dev/stderr $verbargs \
129	    -cachesize {0 2097152 2} -lock_detect default \
130	    -home $clientdir -rep_transport \[list 2 replsend\]"
131	set env1 [eval $cl_envcmd $recargs -rep_client]
132
133	repladd 3
134	set cl2_envcmd "berkdb_env_noerr -create $c2_txnargs $repmemargs \
135	    $c2_logargs -errpfx ENV2 -errfile /dev/stderr $verbargs \
136	    -cachesize {0 1048576 1} -lock_detect default \
137	    -home $clientdir2 -rep_transport \[list 3 replsend\]"
138	set env2 [eval $cl2_envcmd $recargs -rep_client]
139
140	# Bring the clients online by processing the startup messages.
141	set envlist "{$env0 1} {$env1 2} {$env2 3}"
142	process_msgs $envlist
143
144	# Set up marker file.
145	set markerenv [berkdb_env -create -home $testdir -txn]
146	error_check_good marker_open [is_valid_env $markerenv] TRUE
147	set marker [eval "berkdb_open \
148	    -create -btree -auto_commit -env $markerenv marker.db"]
149
150	# Start the 3 child processes: one for each env.
151	set pids {}
152	set dirlist "0 $masterdir 1 $clientdir 2 $clientdir2"
153	foreach { writer dir } $dirlist {
154		puts "\tRep$tnum.a: Fork child process WRITER$writer."
155		set pid [exec $tclsh_path $test_path/wrap.tcl \
156		    rep043script.tcl $testdir/rep043script.log.$writer \
157		    $dir $writer &]
158		lappend pids $pid
159	}
160
161	# For the first iteration, masterenv is $env0.
162	set masterenv $env0
163	set curdir $masterdir
164
165	# Write $niter entries to master, then rotate.
166	for { set i 0 } { $i < $rotations } { incr i } {
167
168		# Identify current master, determine next master
169		if { $masterenv == $env0 } {
170			set nextmasterenv $env1
171			set nextdir $clientdir
172		} elseif { $masterenv == $env1 } {
173			set nextmasterenv $env2
174			set nextdir $clientdir2
175		} elseif { $masterenv == $env2 } {
176			set nextmasterenv $env0
177			set nextdir $masterdir
178		} else {
179			puts "FAIL: could not identify current master"
180			return
181		}
182
183		puts "\tRep$tnum.b.$i: Open master db in $curdir."
184		set mdb [eval {berkdb_open_noerr} -env $masterenv -auto_commit \
185		    -mode 0644 $omethod -create $testfile]
186		error_check_good dbopen [is_valid_db $mdb] TRUE
187		error_check_good marker_iter [$marker put ITER $i] 0
188
189		puts "\t\tRep$tnum.c.$i: Put data to master."
190		for { set j 0 } { $j < $niter } { incr j } {
191			set key KEY.$i.$j
192			set data DATA
193			set t [$masterenv txn]
194			set stat [catch \
195			    {eval {$mdb put} -txn $t $key $data} ret]
196			if { $ret == 0 } {
197				error_check_good commit [$t commit] 0
198			} else {
199				error_check_good commit [$t abort] 0
200			}
201		}
202		error_check_good mdb_close [$mdb close] 0
203
204		# Checkpoint.
205		error_check_good checkpoint [$masterenv txn_checkpoint] 0
206
207		process_msgs $envlist
208
209		puts "\t\tRep$tnum.d.$i: Downgrade current master."
210		error_check_good downgrade [$masterenv rep_start -client] 0
211
212		puts "\t\tRep$tnum.e.$i: Upgrade next master $nextdir."
213		error_check_good upgrade [$nextmasterenv rep_start -master] 0
214		set masterenv $nextmasterenv
215		set curdir $nextdir
216
217		process_msgs $envlist
218	}
219
220
221	puts "\tRep$tnum.f: Clean up."
222	# Tell the child processes we are done.
223	error_check_good marker_done [$marker put DONE DONE] 0
224	error_check_good marker_close [$marker close] 0
225	error_check_good markerenv_close [$markerenv close] 0
226
227	error_check_good env0_close [$env0 close] 0
228	error_check_good env1_close [$env1 close] 0
229	error_check_good env2_close [$env2 close] 0
230
231	# Make sure the child processes are done.
232	watch_procs $pids 1
233
234	# Check log files for failures.
235	for { set n 0 } { $n < 3 } { incr n } {
236		set file rep043script.log.$n
237		set errstrings [eval findfail $testdir/$file]
238		foreach str $errstrings {
239			puts "FAIL: error message in file $file: $str"
240		}
241	}
242
243	replclose $testdir/MSGQUEUEDIR
244	set testdir $orig_tdir
245	return
246}
247