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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2009 Oracle. All rights reserved.
#
# $Id$
#
# TEST log003
# TEST Verify that log_flush is flushing records correctly.
proc log003 { } {
global rand_init
error_check_good set_random_seed [berkdb srand $rand_init] 0
# Even though log_flush doesn't do anything for in-memory
# logging, we want to make sure calling it doesn't break
# anything.
foreach inmem { 1 0 } {
log003_body $inmem
}
}
proc log003_body { inmem } {
source ./include.tcl
puts -nonewline "Log003: Verify log_flush behavior"
if { $inmem == 0 } {
puts " (on-disk logging)."
} else {
puts " (in-memory logging)."
}
set max [expr 1024 * 128]
env_cleanup $testdir
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 "\tLog003.a: Verify flush on [string length $rec] byte rec"
set logargs ""
if { $inmem == 1 } {
set logargs "-log_inmemory -log_buffer [expr $max * 2]"
}
set env [eval {berkdb_env} -log -home $testdir -create \
-mode 0644 $logargs -log_max $max]
error_check_good envopen [is_valid_env $env] TRUE
set lsn [$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 $testdir]
#error_check_good env:remove $ret 0
# Re-open the log and try to read the record.
set env [berkdb_env -create -home $testdir \
-log -mode 0644 -log_max $max]
error_check_good envopen [is_valid_env $env] TRUE
set logc [$env log_cursor]
error_check_good log_cursor [is_valid_logc $logc $env] TRUE
set gotrec [$logc get -first]
error_check_good lp_get [lindex $gotrec 1] $rec
# Close and unlink the file
error_check_good log_cursor:close:$logc [$logc close] 0
error_check_good env:close:$env [$env close] 0
error_check_good envremove [berkdb envremove -home $testdir] 0
log_cleanup $testdir
}
if { $inmem == 1 } {
puts "Log003: Skipping remainder of test for in-memory logging."
return
}
foreach rec "$short_rec $long_rec $very_long_rec" {
puts "\tLog003.b: \
Verify flush on non-last record [string length $rec]"
set env [berkdb_env -log -home $testdir \
-create -mode 0644 -log_max $max]
error_check_good envopen [is_valid_env $env] TRUE
# 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 $testdir]
error_check_good env:remove $ret 0
# Re-open the log and try to read the record.
set env [berkdb_env -log -home $testdir \
-create -mode 0644 -log_max $max]
error_check_good envopen [is_valid_env $env] TRUE
set logc [$env log_cursor]
error_check_good log_cursor [is_valid_logc $logc $env] TRUE
set gotrec [$logc get -set $save_lsn]
error_check_good lp_get [lindex $gotrec 1] $rec
# Close and unlink the file
error_check_good log_cursor:close:$logc [$logc close] 0
error_check_good env:close:$env [$env close] 0
error_check_good envremove [berkdb envremove -home $testdir] 0
log_cleanup $testdir
}
}
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