log.tcl 9.34 KB
Newer Older
unknown's avatar
unknown committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337
# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996, 1997, 1998, 1999, 2000
#	Sleepycat Software.  All rights reserved.
#
#	$Id: log.tcl,v 11.17 2000/11/30 20:09:19 dda Exp $
#
# Options are:
# -dir <directory in which to store memp>
# -maxfilesize <maxsize of log file>
# -iterations <iterations>
# -stat
proc log_usage {} {
	puts "log -dir <directory> -iterations <number of ops> \
	    -maxfilesize <max size of log files> -stat"
}
proc logtest { args } {
	source ./include.tcl
	global rand_init

	# Set defaults
	set iterations 1000
	set maxfile [expr 1024 * 128]
	set dostat 0
	for { set i 0 } { $i < [llength $args] } {incr i} {
		switch -regexp -- [lindex $args $i] {
			-d.* { incr i; set testdir [lindex $args $i] }
			-i.* { incr i; set iterations [lindex $args $i] }
			-m.* { incr i; set maxfile [lindex $args $i] }
			-s.* { set dostat 1 }
			default {
				puts -nonewline "FAIL:[timestamp] Usage: "
				log_usage
				return
			}
		}
	}
	set multi_log [expr 3 * $iterations]

	# Clean out old log if it existed
	puts "Unlinking log: error message OK"
	env_cleanup $testdir

	# Now run the various functionality tests
	berkdb srand $rand_init

	log001 $testdir $maxfile $iterations
	log001 $testdir $maxfile $multi_log
	log002 $testdir $maxfile
	log003 $testdir $maxfile
	log004 $testdir
}

proc log001 { dir max nrecs } {
	source ./include.tcl

	puts "Log001: Basic put/get test"

	env_cleanup $dir

	set env [berkdb env -log -create -home $dir \
			-mode 0644 -log_max $max]
	error_check_bad log_env:$dir $env NULL
	error_check_good log:$dir [is_substr $env "env"] 1

	# We will write records to the log and make sure we can
	# read them back correctly.  We'll use a standard pattern
	# repeated some number of times for each record.

	set lsn_list {}
	set rec_list {}
	puts "Log001.a: Writing $nrecs log records"
	for { set i 0 } { $i < $nrecs } { incr i } {
		set rec ""
		for { set j 0 } { $j < [expr $i % 10 + 1] } {incr j} {
			set rec $rec$i:logrec:$i
		}
		set lsn [$env log_put $rec]
		error_check_bad log_put [is_substr $lsn log_cmd] 1
		lappend lsn_list $lsn
		lappend rec_list $rec
	}
	puts "Log001.b: Retrieving log records sequentially (forward)"
	set i 0
	for { set grec [$env log_get -first] } { [llength $grec] != 0 } {
		set grec [$env log_get -next]} {
		error_check_good log_get:seq [lindex $grec 1] \
						 [lindex $rec_list $i]
		incr i
	}

	puts "Log001.c: Retrieving log records sequentially (backward)"
	set i [llength $rec_list]
	for { set grec [$env log_get -last] } { [llength $grec] != 0 } {
	    set grec [$env log_get -prev] } {
		incr i -1
		error_check_good \
		    log_get:seq [lindex $grec 1] [lindex $rec_list $i]
	}

	puts "Log001.d: Retrieving log records sequentially by LSN"
	set i 0
	foreach lsn $lsn_list {
		set grec [$env log_get -set $lsn]
		error_check_good \
		    log_get:seq [lindex $grec 1] [lindex $rec_list $i]
		incr i
	}

	puts "Log001.e: Retrieving log records randomly by LSN"
	set m [expr [llength $lsn_list] - 1]
	for { set i 0 } { $i < $nrecs } { incr i } {
		set recno [berkdb random_int 0 $m ]
		set lsn [lindex $lsn_list $recno]
		set grec [$env log_get -set $lsn]
		error_check_good \
		    log_get:seq [lindex $grec 1] [lindex $rec_list $recno]
	}

	# Close and unlink the file
	error_check_good env:close:$env [$env close] 0
	error_check_good envremove:$dir [berkdb envremove -home $dir] 0

	puts "Log001 Complete"
}

proc log002 { dir {max 32768} } {
	source ./include.tcl

	puts "Log002: Multiple log test w/trunc, file, compare functionality"

	env_cleanup $dir

	set env [berkdb env -create -home $dir -mode 0644 -log -log_max $max]
	error_check_bad log_env:$dir $env NULL
	error_check_good log:$dir [is_substr $env "env"] 1

	# We'll record every hundred'th record for later use
	set info_list {}

	set i 0
	puts "Log002.a: Writing log records"

	for {set s 0} { $s <  [expr 3 * $max] } { incr s $len } {
		set rec [random_data 120 0 0]
		set len [string length $rec]
		set lsn [$env log_put $rec]

		if { [expr $i % 100 ] == 0 } {
			lappend info_list [list $lsn $rec]
		}
		incr i
	}

	puts "Log002.b: Checking log_compare"
	set last {0 0}
	foreach p $info_list {
		set l [lindex $p 0]
		if { [llength $last] != 0 } {
			error_check_good \
			    log_compare [$env log_compare $l $last] 1
			error_check_good \
			    log_compare [$env log_compare $last $l] -1
			error_check_good \
			    log_compare [$env log_compare $l $l] 0
		}
		set last $l
	}

	puts "Log002.c: Checking log_file"
	set flist [glob $dir/log*]
	foreach p $info_list {

		set lsn [lindex $p 0]
		set f [$env log_file $lsn]

		# Change all backslash separators on Windows to forward slash
		# separators, which is what the rest of the test suite expects.
		regsub -all {\\} $f {/} f

		error_check_bad log_file:$f [lsearch $flist $f] -1
	}

	puts "Log002.d: Verifying records"
	for {set i [expr [llength $info_list] - 1] } { $i >= 0 } { incr i -1} {
		set p [lindex $info_list $i]
		set grec [$env log_get -set [lindex $p 0]]
		error_check_good log_get:$env [lindex $grec 1] [lindex $p 1]
	}

	# Close and unlink the file
	error_check_good env:close:$env [$env close] 0
	error_check_good envremove:$dir [berkdb envremove -home $dir] 0

	puts "Log002 Complete"
}

proc log003 { dir {max 32768} } {
	source ./include.tcl

	puts "Log003: Verify log_flush behavior"

	env_cleanup $dir
	set short_rec "abcdefghijklmnopqrstuvwxyz"
	set long_rec [repeat $short_rec 200]
	set very_long_rec [repeat $long_rec 4]

	foreach rec "$short_rec $long_rec $very_long_rec" {
		puts "Log003.a: Verify flush on [string length $rec] byte rec"

		set env [berkdb env -log -home $dir \
				-create -mode 0644 -log_max $max]
		error_check_bad log_env:$dir $env NULL
		error_check_good log:$dir [is_substr $env "env"] 1

		set lsn [$env log_put $rec]
		error_check_bad log_put [lindex $lsn 0] "ERROR:"
		set ret [$env log_flush $lsn]
		error_check_good log_flush $ret 0

		# Now, we want to crash the region and recheck.  Closing the
		# log does not flush any records, so we'll use a close to
		# do the "crash"
		set ret [$env close]
		error_check_good log_env:close $ret 0

		# Now, remove the log region
		#set ret [berkdb envremove -home $dir]
		#error_check_good env:remove $ret 0

		# Re-open the log and try to read the record.
		set env [berkdb env -create -home $dir \
				-log -mode 0644 -log_max $max]
		error_check_bad log_env:$dir $env NULL
		error_check_good log:$dir [is_substr $env "env"] 1

		set gotrec [$env log_get -first]
		error_check_good lp_get [lindex $gotrec 1] $rec

		# Close and unlink the file
		error_check_good env:close:$env [$env close] 0
		error_check_good envremove:$dir [berkdb envremove -home $dir] 0
		log_cleanup $dir
	}

	foreach rec "$short_rec $long_rec $very_long_rec" {
		puts "Log003.b: \
		    Verify flush on non-last record [string length $rec]"
		set env [berkdb env \
		    -create -log -home $dir -mode 0644 -log_max $max]
		error_check_bad log_env:$dir $env NULL
		error_check_good log:$dir [is_substr $env "env"] 1

		# Put 10 random records
		for { set i 0 } { $i < 10 } { incr i} {
			set r [random_data 450 0 0]
			set lsn [$env log_put $r]
			error_check_bad log_put [lindex $lsn 0] "ERROR:"
		}

		# Put the record we are interested in
		set save_lsn [$env log_put $rec]
		error_check_bad log_put [lindex $save_lsn 0] "ERROR:"

		# Put 10 more random records
		for { set i 0 } { $i < 10 } { incr i} {
			set r [random_data 450 0 0]
			set lsn [$env log_put $r]
			error_check_bad log_put [lindex $lsn 0] "ERROR:"
		}

		# Now check the flush
		set ret [$env log_flush $save_lsn]
		error_check_good log_flush $ret 0

		# Now, we want to crash the region and recheck.  Closing the
		# log does not flush any records, so we'll use a close to
		# do the "crash"

		#
		# Now, close and remove the log region
		error_check_good env:close:$env [$env close] 0
		set ret [berkdb envremove -home $dir]
		error_check_good env:remove $ret 0

		# Re-open the log and try to read the record.
		set env [berkdb env \
		    -home $dir -create -log -mode 0644 -log_max $max]
		error_check_bad log_env:$dir $env NULL
		error_check_good log:$dir [is_substr $env "env"] 1

		set gotrec [$env log_get -set $save_lsn]
		error_check_good lp_get [lindex $gotrec 1] $rec

		# Close and unlink the file
		error_check_good env:close:$env [$env close] 0
		error_check_good envremove:$dir [berkdb envremove -home $dir] 0
		log_cleanup $dir
	}

	puts "Log003 Complete"
}

# Make sure that if we do PREVs on a log, but the beginning of the
# log has been truncated, we do the right thing.
proc log004 { dir } {
	source ./include.tcl

	puts "Log004: Prev on log when beginning of log has been truncated."
	# Use archive test to populate log
	env_cleanup $dir
	puts "Log004.a: Call archive to populate log."
	archive

	# Delete all log files under 100
	puts "Log004.b: Delete all log files under 100."
	set ret [catch { glob $dir/log.00000000* } result]
	if { $ret == 0 } {
		eval fileremove -f $result
	}

	# Now open the log and get the first record and try a prev
	puts "Log004.c: Open truncated log, attempt to access missing portion."
	set myenv [berkdb env -create -log -home $dir]
	error_check_good log_open [is_substr $myenv "env"] 1

	set ret [$myenv log_get -first]
	error_check_bad log_get [llength $ret] 0

	# This should give DB_NOTFOUND which is a ret of length 0
	catch {$myenv log_get -prev} ret
	error_check_good log_get_prev [string length $ret] 0

	puts "Log004.d: Close log and environment."
	error_check_good log_close [$myenv close] 0
	puts "Log004 complete."
}