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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 2012 UTC

1# 1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG. 2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3# 3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5# 5#
6# Deliantra is free software: you can redistribute it and/or modify it under 6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the 7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your 8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version. 9# option) any later version.
10# 10#
11# This program is distributed in the hope that it will be useful, 11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details. 14# GNU General Public License for more details.
15# 15#
16# You should have received a copy of the Affero GNU General Public License 16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see 17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>. 18# <http://www.gnu.org/licenses/>.
19# 19#
20# The authors can be reached via e-mail to <support@deliantra.net> 20# The authors can be reached via e-mail to <support@deliantra.net>
21# 21#
22 22
23package cf; 23package cf;
24 24
… …
93our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS 94our @REFLECT; # set by XS
95our %REFLECT; # set by us 95our %REFLECT; # set by us
96 96
97our $CONFDIR = confdir; 97our $CONFDIR = confdir;
98
98our $DATADIR = datadir; 99our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
103
102our $LOCALDIR = localdir; 104our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir; 105our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir; 107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random"; 108our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db"; 109our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid"; 110our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime"; 111our $RUNTIMEFILE = "$LOCALDIR/runtime";
110 112
111our %RESOURCE; # unused 113#our %RESOURCE; # unused
112 114
113our $OUTPUT_RATE_MIN = 3000; 115our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000; 116our $OUTPUT_RATE_MAX = 1000000;
115 117
116our $MAX_LINKS = 32; # how many chained exits to follow 118our $MAX_LINKS = 32; # how many chained exits to follow
… …
127our $DB_ENV; 129our $DB_ENV;
128 130
129our @EXTRA_MODULES = qw(pod match mapscript incloader); 131our @EXTRA_MODULES = qw(pod match mapscript incloader);
130 132
131our %CFG; 133our %CFG;
134our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
132 135
133our $UPTIME; $UPTIME ||= time; 136our $UPTIME; $UPTIME ||= time;
134our $RUNTIME; 137our $RUNTIME = 0;
138our $SERVER_TICK = 0;
135our $NOW; 139our $NOW;
136 140
137our (%PLAYER, %PLAYER_LOADING); # all users 141our (%PLAYER, %PLAYER_LOADING); # all users
138our (%MAP, %MAP_LOADING ); # all maps 142our (%MAP, %MAP_LOADING ); # all maps
139our $LINK_MAP; # the special {link} map, which is always available 143our $LINK_MAP; # the special {link} map, which is always available
… …
148 152
149our @POST_INIT; 153our @POST_INIT;
150 154
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow) 155our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :) 156our $REALLY_UNLOOP; # never set to true, please :)
157
158our $WAIT_FOR_TICK = new Coro::Signal;
159our @WAIT_FOR_TICK_BEGIN;
153 160
154binmode STDOUT; 161binmode STDOUT;
155binmode STDERR; 162binmode STDERR;
156 163
157# read virtual server time, if available 164# read virtual server time, if available
… …
191 198
192=over 4 199=over 4
193 200
194=item $cf::UPTIME 201=item $cf::UPTIME
195 202
196The timestamp of the server start (so not actually an uptime). 203The timestamp of the server start (so not actually an "uptime").
204
205=item $cf::SERVER_TICK
206
207An unsigned integer that starts at zero when the server is started and is
208incremented on every tick.
209
210=item $cf::NOW
211
212The (real) time of the last (current) server tick - updated before and
213after tick processing, so this is useful only as a rough "what time is it
214now" estimate.
215
216=item $cf::TICK
217
218The interval between each server tick, in seconds.
197 219
198=item $cf::RUNTIME 220=item $cf::RUNTIME
199 221
200The time this server has run, starts at 0 and is increased by $cf::TICK on 222The time this server has run, starts at 0 and is increased by $cf::TICK on
201every server tick. 223every server tick.
… …
207Various directories - "/etc", read-only install directory, perl-library 229Various directories - "/etc", read-only install directory, perl-library
208directory, pod-directory, read-only maps directory, "/var", "/var/tmp", 230directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
209unique-items directory, player file directory, random maps directory and 231unique-items directory, player file directory, random maps directory and
210database environment. 232database environment.
211 233
212=item $cf::NOW
213
214The time of the last (current) server tick.
215
216=item $cf::TICK
217
218The interval between server ticks, in seconds.
219
220=item $cf::LOADAVG 234=item $cf::LOADAVG
221 235
222The current CPU load on the server (alpha-smoothed), as a value between 0 236The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing 237(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5. 238objects per tick. Healthy values are < 0.5.
… …
235=item cf::wait_for_tick, cf::wait_for_tick_begin 249=item cf::wait_for_tick, cf::wait_for_tick_begin
236 250
237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 251These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
238returns directly I<after> the tick processing (and consequently, can only wake one thread 252returns directly I<after> the tick processing (and consequently, can only wake one thread
239per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 253per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
254
255Note that cf::Wait_for_tick will immediately return when the server is not
256ticking, making it suitable for small pauses in threads that need to run
257when the server is paused. If that is not applicable (i.e. you I<really>
258want to wait, use C<$cf::WAIT_FOR_TICK>).
259
260=item $cf::WAIT_FOR_TICK
261
262Note that C<cf::wait_for_tick> is probably the correct thing to use. This
263variable contains a L<Coro::Signal> that is broadcats after every server
264tick. Calling C<< ->wait >> on it will suspend the caller until after the
265next server tick.
240 266
241=cut 267=cut
242 268
243sub wait_for_tick(); 269sub wait_for_tick();
244sub wait_for_tick_begin(); 270sub wait_for_tick_begin();
… …
312} 338}
313 339
314$EV::DIED = sub { 340$EV::DIED = sub {
315 Carp::cluck "error in event callback: @_"; 341 Carp::cluck "error in event callback: @_";
316}; 342};
343
344#############################################################################
345
346sub fork_call(&@);
347sub get_slot($;$$);
317 348
318############################################################################# 349#############################################################################
319 350
320=head2 UTILITY FUNCTIONS 351=head2 UTILITY FUNCTIONS
321 352
… …
342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 373 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
343 $d 374 $d
344 } || "[unable to dump $_[0]: '$@']"; 375 } || "[unable to dump $_[0]: '$@']";
345} 376}
346 377
378=item $scalar = cf::load_file $path
379
380Loads the given file from path and returns its contents. Croaks on error
381and can block.
382
383=cut
384
385sub load_file($) {
386 0 <= aio_load $_[0], my $data
387 or Carp::croak "$_[0]: $!";
388
389 $data
390}
391
392=item $success = cf::replace_file $path, $data, $sync
393
394Atomically replaces the file at the given $path with new $data, and
395optionally $sync the data to disk before replacing the file.
396
397=cut
398
399sub replace_file($$;$) {
400 my ($path, $data, $sync) = @_;
401
402 my $lock = cf::lock_acquire ("replace_file:$path");
403
404 my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
405 or return;
406
407 $data = $data->() if ref $data;
408
409 length $data == aio_write $fh, 0, (length $data), $data, 0
410 or return;
411
412 !$sync
413 or !aio_fsync $fh
414 or return;
415
416 aio_close $fh
417 and return;
418
419 aio_rename "$path~", $path
420 and return;
421
422 if ($sync) {
423 $path =~ s%/[^/]*$%%;
424 aio_pathsync $path;
425 }
426
427 1
428}
429
347=item $ref = cf::decode_json $json 430=item $ref = cf::decode_json $json
348 431
349Converts a JSON string into the corresponding perl data structure. 432Converts a JSON string into the corresponding perl data structure.
350 433
351=item $json = cf::encode_json $ref 434=item $json = cf::encode_json $ref
… …
357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 440our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
358 441
359sub encode_json($) { $json_coder->encode ($_[0]) } 442sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) } 443sub decode_json($) { $json_coder->decode ($_[0]) }
361 444
445=item $ref = cf::decode_storable $scalar
446
447Same as Coro::Storable::thaw, so blocks.
448
449=cut
450
451BEGIN { *decode_storable = \&Coro::Storable::thaw }
452
362=item $ref = cf::yaml_load $scalar 453=item $ref = cf::decode_yaml $scalar
363 454
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks). 455Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365 456
366=cut 457=cut
367 458
368sub fork_call(&@); 459sub decode_yaml($) {
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_ 460 fork_call { YAML::XS::Load $_[0] } @_
461}
462
463=item $scalar = cf::unlzf $scalar
464
465Same as Compress::LZF::compress, but takes server ticks into account, so
466blocks.
467
468=cut
469
470sub unlzf($) {
471 # we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
472 cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
473 Compress::LZF::decompress $_[0]
372} 474}
373 475
374=item cf::post_init { BLOCK } 476=item cf::post_init { BLOCK }
375 477
376Execute the given codeblock, I<after> all extensions have been (re-)loaded, 478Execute the given codeblock, I<after> all extensions have been (re-)loaded,
… …
460 EV::periodic $start, $interval, 0, $cb 562 EV::periodic $start, $interval, 0, $cb
461} 563}
462 564
463=item cf::get_slot $time[, $priority[, $name]] 565=item cf::get_slot $time[, $priority[, $name]]
464 566
465Allocate $time seconds of blocking CPU time at priority C<$priority>: 567Allocate $time seconds of blocking CPU time at priority C<$priority>
466This call blocks and returns only when you have at least C<$time> seconds 568(default: 0): This call blocks and returns only when you have at least
467of cpu time till the next tick. The slot is only valid till the next cede. 569C<$time> seconds of cpu time till the next tick. The slot is only valid
570till the next cede.
571
572Background jobs should use a priority les than zero, interactive jobs
573should use 100 or more.
468 574
469The optional C<$name> can be used to identify the job to run. It might be 575The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class. 576used for statistical purposes and should identify the same time-class.
471 577
472Useful for short background jobs. 578Useful for short background jobs.
… …
501 } 607 }
502 } 608 }
503 609
504 if (@SLOT_QUEUE) { 610 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive 611 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal; 612 $WAIT_FOR_TICK->wait;
507 $signal->wait;
508 } else { 613 } else {
509 $busy = 0; 614 $busy = 0;
510 Coro::schedule; 615 Coro::schedule;
511 } 616 }
512 } 617 }
… …
767 872
768 my @data; 873 my @data;
769 my $md5; 874 my $md5;
770 875
771 for (0 .. $#$src) { 876 for (0 .. $#$src) {
772 0 <= aio_load $src->[$_], $data[$_] 877 $data[$_] = load_file $src->[$_];
773 or Carp::croak "$src->[$_]: $!";
774 } 878 }
775 879
776 # if processing is expensive, check 880 # if processing is expensive, check
777 # checksum first 881 # checksum first
778 if (1) { 882 if (1) {
… …
1396 my ($pl, $buf) = @_; 1500 my ($pl, $buf) = @_;
1397 1501
1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1502 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1399 1503
1400 if (ref $msg) { 1504 if (ref $msg) {
1401 my ($type, $reply, @payload) = 1505 my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405 1506
1406 my @reply; 1507 my @reply;
1407 1508
1408 if (my $cb = $EXTCMD{$type}) { 1509 if (my $cb = $EXTCMD{$type}) {
1409 @reply = $cb->($pl, @payload); 1510 @reply = $cb->($pl, @payload);
… …
1431 }; 1532 };
1432 1533
1433 $grp 1534 $grp
1434} 1535}
1435 1536
1537sub _ext_cfg_reg($$$$) {
1538 my ($rvar, $varname, $cfgname, $default) = @_;
1539
1540 $cfgname = lc $varname
1541 unless length $cfgname;
1542
1543 $EXT_CFG{$cfgname} = [$rvar, $default];
1544
1545 $$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
1546}
1547
1436sub load_extensions { 1548sub load_extensions {
1437 info "loading extensions..."; 1549 info "loading extensions...";
1550
1551 %EXT_CFG = ();
1438 1552
1439 cf::sync_job { 1553 cf::sync_job {
1440 my %todo; 1554 my %todo;
1441 1555
1442 for my $path (<$LIBDIR/*.ext>) { 1556 for my $path (<$LIBDIR/*.ext>) {
… …
1485 unless exists $done{$_}; 1599 unless exists $done{$_};
1486 } 1600 }
1487 1601
1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n"; 1602 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1489 1603
1604 my $source = $v->{source};
1605
1606 # support "CONF varname :confname = default" pseudo-statements
1607 $source =~ s{
1608 ^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
1609 }{
1610 "our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
1611 }gmxe;
1612
1490 my $active = eval $v->{source}; 1613 my $active = eval $source;
1491 1614
1492 if (length $@) { 1615 if (length $@) {
1493 error "$v->{path}: $@\n"; 1616 error "$v->{path}: $@\n";
1494 1617
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting." 1618 cf::cleanup "mandatory extension '$k' failed to load, exiting."
… …
1512 1635
1513 while (my ($k, $v) = each %todo) { 1636 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting." 1637 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory}; 1638 if exists $v->{meta}{mandatory};
1516 } 1639 }
1640
1641 last;
1517 } 1642 }
1518 } 1643 }
1519 }; 1644 };
1520} 1645}
1521 1646
… …
1861sub generate_random_map { 1986sub generate_random_map {
1862 my ($self, $rmp) = @_; 1987 my ($self, $rmp) = @_;
1863 1988
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM 1989 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865 1990
1866 # mit "rum" bekleckern, nicht
1867 $self->_create_random_map ( 1991 $self->_create_random_map ($rmp);
1868 $rmp,
1869 $rmp->{wall_name}, $rmp->{monsterstyle},
1870 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1871 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1872 $rmp->{exit_on_final_map},
1873 $rmp->{xsize}, $rmp->{ysize},
1874 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1875 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1876 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1877 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1878 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1879 (cf::region::find $rmp->{region})
1880 )
1881} 1992}
1882 1993
1883=item cf::map->register ($regex, $prio) 1994=item cf::map->register ($regex, $prio)
1884 1995
1885Register a handler for the map path matching the given regex at the 1996Register a handler for the map path matching the given regex at the
… …
1963 2074
1964 Carp::cluck "unable to resolve path '$path' (base '$base')"; 2075 Carp::cluck "unable to resolve path '$path' (base '$base')";
1965 () 2076 ()
1966} 2077}
1967 2078
2079# may re-bless or do other evil things
1968sub init { 2080sub init {
1969 my ($self) = @_; 2081 my ($self) = @_;
1970 2082
1971 $self 2083 $self
1972} 2084}
… …
2037 $self->{load_path} = $path; 2149 $self->{load_path} = $path;
2038 2150
2039 1 2151 1
2040} 2152}
2041 2153
2154# used to laod the header of an original map
2042sub load_header_orig { 2155sub load_header_orig {
2043 my ($self) = @_; 2156 my ($self) = @_;
2044 2157
2045 $self->load_header_from ($self->load_path) 2158 $self->load_header_from ($self->load_path)
2046} 2159}
2047 2160
2161# used to laod the header of an instantiated map
2048sub load_header_temp { 2162sub load_header_temp {
2049 my ($self) = @_; 2163 my ($self) = @_;
2050 2164
2051 $self->load_header_from ($self->save_path) 2165 $self->load_header_from ($self->save_path)
2052} 2166}
2053 2167
2168# called after loading the header from an instantiated map
2054sub prepare_temp { 2169sub prepare_temp {
2055 my ($self) = @_; 2170 my ($self) = @_;
2056 2171
2057 $self->last_access ((delete $self->{last_access}) 2172 $self->last_access ((delete $self->{last_access})
2058 || $cf::RUNTIME); #d# 2173 || $cf::RUNTIME); #d#
2059 # safety 2174 # safety
2060 $self->{instantiate_time} = $cf::RUNTIME 2175 $self->{instantiate_time} = $cf::RUNTIME
2061 if $self->{instantiate_time} > $cf::RUNTIME; 2176 if $self->{instantiate_time} > $cf::RUNTIME;
2062} 2177}
2063 2178
2179# called after loading the header from an original map
2064sub prepare_orig { 2180sub prepare_orig {
2065 my ($self) = @_; 2181 my ($self) = @_;
2066 2182
2067 $self->{load_original} = 1; 2183 $self->{load_original} = 1;
2068 $self->{instantiate_time} = $cf::RUNTIME; 2184 $self->{instantiate_time} = $cf::RUNTIME;
… …
2094sub find { 2210sub find {
2095 my ($path, $origin) = @_; 2211 my ($path, $origin) = @_;
2096 2212
2097 cf::cede_to_tick; 2213 cf::cede_to_tick;
2098 2214
2099 $path = normalise $path, $origin && $origin->path; 2215 $path = normalise $path, $origin;
2100 2216
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove 2217 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2102 my $guard2 = cf::lock_acquire "map_find:$path"; 2218 my $guard2 = cf::lock_acquire "map_find:$path";
2103 2219
2104 $cf::MAP{$path} || do { 2220 $cf::MAP{$path} || do {
… …
2135 2251
2136 { 2252 {
2137 my $guard = cf::lock_acquire "map_data:$path"; 2253 my $guard = cf::lock_acquire "map_data:$path";
2138 2254
2139 return unless $self->valid; 2255 return unless $self->valid;
2140 return unless $self->in_memory == cf::MAP_SWAPPED; 2256 return unless $self->state == cf::MAP_SWAPPED;
2141
2142 $self->in_memory (cf::MAP_LOADING);
2143 2257
2144 $self->alloc; 2258 $self->alloc;
2145 2259
2146 $self->pre_load; 2260 $self->pre_load;
2147 cf::cede_to_tick; 2261 cf::cede_to_tick;
2148 2262
2263 if (exists $self->{load_path}) {
2149 my $f = new_from_file cf::object::thawer $self->{load_path}; 2264 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block; 2265 $f->skip_block;
2151 $self->_load_objects ($f) 2266 $self->_load_objects ($f)
2152 or return; 2267 or return;
2153 2268
2154 $self->post_load_original 2269 $self->post_load_original
2155 if delete $self->{load_original}; 2270 if delete $self->{load_original};
2156 2271
2157 if (my $uniq = $self->uniq_path) { 2272 if (my $uniq = $self->uniq_path) {
2158 utf8::encode $uniq; 2273 utf8::encode $uniq;
2159 unless (aio_stat $uniq) { 2274 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) { 2275 if (my $f = new_from_file cf::object::thawer $uniq) {
2161 $self->clear_unique_items; 2276 $self->clear_unique_items;
2162 $self->_load_objects ($f); 2277 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs; 2278 $f->resolve_delayed_derefs;
2279 }
2164 } 2280 }
2165 } 2281 }
2166 }
2167 2282
2168 $f->resolve_delayed_derefs; 2283 $f->resolve_delayed_derefs;
2284 } else {
2285 $self->post_load_original
2286 if delete $self->{load_original};
2287 }
2288
2289 $self->state (cf::MAP_INACTIVE);
2169 2290
2170 cf::cede_to_tick; 2291 cf::cede_to_tick;
2171 # now do the right thing for maps 2292 # now do the right thing for maps
2172 $self->link_multipart_objects; 2293 $self->link_multipart_objects;
2173 $self->difficulty ($self->estimate_difficulty) 2294 $self->difficulty ($self->estimate_difficulty)
… …
2177 unless ($self->{deny_activate}) { 2298 unless ($self->{deny_activate}) {
2178 $self->decay_objects; 2299 $self->decay_objects;
2179 $self->fix_auto_apply; 2300 $self->fix_auto_apply;
2180 $self->update_buttons; 2301 $self->update_buttons;
2181 cf::cede_to_tick; 2302 cf::cede_to_tick;
2182 $self->activate; 2303 #$self->activate; # no longer activate maps automatically
2183 } 2304 }
2184 2305
2185 $self->{last_save} = $cf::RUNTIME; 2306 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME); 2307 $self->last_access ($cf::RUNTIME);
2187
2188 $self->in_memory (cf::MAP_ACTIVE);
2189 } 2308 }
2190 2309
2191 $self->post_load; 2310 $self->post_load;
2192 2311
2193 1 2312 1
… …
2206# if $self->per_party; 2325# if $self->per_party;
2207 2326
2208 $self 2327 $self
2209} 2328}
2210 2329
2211# find and load all maps in the 3x3 area around a map
2212sub load_neighbours {
2213 my ($map) = @_;
2214
2215 my @neigh; # diagonal neighbours
2216
2217 for (0 .. 3) {
2218 my $neigh = $map->tile_path ($_)
2219 or next;
2220 $neigh = find $neigh, $map
2221 or next;
2222 $neigh->load;
2223
2224 # now find the diagonal neighbours
2225 push @neigh,
2226 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2227 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2228 }
2229
2230 for (grep defined $_->[0], @neigh) {
2231 my ($path, $origin) = @$_;
2232 my $neigh = find $path, $origin
2233 or next;
2234 $neigh->load;
2235 }
2236}
2237
2238sub find_sync { 2330sub find_sync {
2239 my ($path, $origin) = @_; 2331 my ($path, $origin) = @_;
2240 2332
2333 # it's a bug to call this from the main context
2241 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync" 2334 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2242 if $Coro::current == $Coro::main; 2335 if $Coro::current == $Coro::main;
2243 2336
2244 find $path, $origin 2337 find $path, $origin
2245} 2338}
2246 2339
2247sub do_load_sync { 2340sub do_load_sync {
2248 my ($map) = @_; 2341 my ($map) = @_;
2249 2342
2343 # it's a bug to call this from the main context
2250 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync" 2344 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2251 if $Coro::current == $Coro::main; 2345 if $Coro::current == $Coro::main;
2252 2346
2253 $map->load; 2347 $map->load;
2254} 2348}
… …
2257our $MAP_PREFETCHER = undef; 2351our $MAP_PREFETCHER = undef;
2258 2352
2259sub find_async { 2353sub find_async {
2260 my ($path, $origin, $load) = @_; 2354 my ($path, $origin, $load) = @_;
2261 2355
2262 $path = normalise $path, $origin && $origin->{path}; 2356 $path = normalise $path, $origin;
2263 2357
2264 if (my $map = $cf::MAP{$path}) { 2358 if (my $map = $cf::MAP{$path}) {
2265 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE; 2359 return $map if !$load || $map->linkable;
2266 } 2360 }
2267 2361
2268 $MAP_PREFETCH{$path} |= $load; 2362 $MAP_PREFETCH{$path} |= $load;
2269 2363
2270 $MAP_PREFETCHER ||= cf::async { 2364 $MAP_PREFETCHER ||= cf::async {
… …
2329sub swap_out { 2423sub swap_out {
2330 my ($self) = @_; 2424 my ($self) = @_;
2331 2425
2332 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2426 my $lock = cf::lock_acquire "map_data:$self->{path}";
2333 2427
2334 return if $self->in_memory != cf::MAP_ACTIVE; 2428 return if !$self->linkable;
2335 return if $self->{deny_save}; 2429 return if $self->{deny_save};
2336 return if $self->players; 2430 return if $self->players;
2337 2431
2338 # first deactivate the map and "unlink" it from the core 2432 # first deactivate the map and "unlink" it from the core
2339 $self->deactivate; 2433 $self->deactivate;
2340 $_->clear_links_to ($self) for values %cf::MAP; 2434 $_->clear_links_to ($self) for values %cf::MAP;
2341 $self->in_memory (cf::MAP_SWAPPED); 2435 $self->state (cf::MAP_SWAPPED);
2342 2436
2343 # then atomically save 2437 # then atomically save
2344 $self->_save; 2438 $self->_save;
2345 2439
2346 # then free the map 2440 # then free the map
… …
2372 2466
2373 return if $self->players; 2467 return if $self->players;
2374 2468
2375 cf::trace "resetting map ", $self->path, "\n"; 2469 cf::trace "resetting map ", $self->path, "\n";
2376 2470
2377 $self->in_memory (cf::MAP_SWAPPED); 2471 $self->state (cf::MAP_SWAPPED);
2378 2472
2379 # need to save uniques path 2473 # need to save uniques path
2380 unless ($self->{deny_save}) { 2474 unless ($self->{deny_save}) {
2381 my $uniq = $self->uniq_path; utf8::encode $uniq; 2475 my $uniq = $self->uniq_path; utf8::encode $uniq;
2382 2476
… …
2712 # use -1 or undef as default coordinates, not 0, 0 2806 # use -1 or undef as default coordinates, not 0, 0
2713 ($x, $y) = ($map->enter_x, $map->enter_y) 2807 ($x, $y) = ($map->enter_x, $map->enter_y)
2714 if $x <= 0 && $y <= 0; 2808 if $x <= 0 && $y <= 0;
2715 2809
2716 $map->load; 2810 $map->load;
2717 $map->load_neighbours;
2718 2811
2719 return unless $self->contr->active; 2812 return unless $self->contr->active;
2720 2813
2721 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2814 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2722 if ($self->enter_map ($map, $x, $y)) { 2815 if ($self->enter_map ($map, $x, $y)) {
… …
2778 ($path, $x, $y) = (undef, undef, undef); 2871 ($path, $x, $y) = (undef, undef, undef);
2779 } 2872 }
2780 } 2873 }
2781 2874
2782 my $map = eval { 2875 my $map = eval {
2783 my $map = defined $path ? cf::map::find $path : undef; 2876 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2784 2877
2785 if ($map) { 2878 if ($map) {
2786 $map = $map->customise_for ($self); 2879 $map = $map->customise_for ($self);
2787 $map = $check->($map, $x, $y, $self) if $check && $map; 2880 $map = $check->($map, $x, $y, $self) if $check && $map;
2788 } else { 2881 } else {
… …
2878 $Coro::current->{desc} = "enter_exit"; 2971 $Coro::current->{desc} = "enter_exit";
2879 2972
2880 unless (eval { 2973 unless (eval {
2881 $self->deactivate_recursive; # just to be sure 2974 $self->deactivate_recursive; # just to be sure
2882 2975
2883 # random map handling
2884 {
2885 my $guard = cf::lock_acquire "exit_prepare:$exit";
2886
2887 prepare_random_map $exit
2888 if $exit->slaying eq "/!";
2889 }
2890
2891 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2976 my $map = cf::map::normalise $exit->slaying, $exit->map;
2892 my $x = $exit->stats->hp; 2977 my $x = $exit->stats->hp;
2893 my $y = $exit->stats->sp; 2978 my $y = $exit->stats->sp;
2979
2980 # special map handling
2981 my $slaying = $exit->slaying;
2982
2983 # special map handling
2984 if ($slaying eq "/!") {
2985 my $guard = cf::lock_acquire "exit_prepare:$exit";
2986
2987 prepare_random_map $exit
2988 if $exit->slaying eq "/!"; # need to re-check after getting the lock
2989
2990 $map = $exit->slaying;
2991
2992 } elsif ($slaying eq '!up') {
2993 $map = $exit->map->tile_path (cf::TILE_UP);
2994 $x = $exit->x;
2995 $y = $exit->y;
2996
2997 } elsif ($slaying eq '!down') {
2998 $map = $exit->map->tile_path (cf::TILE_DOWN);
2999 $x = $exit->x;
3000 $y = $exit->y;
3001 }
2894 3002
2895 $self->goto ($map, $x, $y); 3003 $self->goto ($map, $x, $y);
2896 3004
2897 # if exit is damned, update players death & WoR home-position 3005 # if exit is damned, update players death & WoR home-position
2898 $self->contr->savebed ($map, $x, $y) 3006 $self->contr->savebed ($map, $x, $y)
… …
3140=cut 3248=cut
3141 3249
3142sub cf::client::ext_reply($$@) { 3250sub cf::client::ext_reply($$@) {
3143 my ($self, $id, @msg) = @_; 3251 my ($self, $id, @msg) = @_;
3144 3252
3145 if ($self->extcmd == 2) { 3253 return unless $self->extcmd == 2;
3254
3146 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3255 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3147 } elsif ($self->extcmd == 1) {
3148 #TODO: version 1, remove
3149 unshift @msg, msgtype => "reply", msgid => $id;
3150 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3151 }
3152} 3256}
3153 3257
3154=item $success = $client->query ($flags, "text", \&cb) 3258=item $success = $client->query ($flags, "text", \&cb)
3155 3259
3156Queues a query to the client, calling the given callback with 3260Queues a query to the client, calling the given callback with
… …
3211 my ($ns, $buf) = @_; 3315 my ($ns, $buf) = @_;
3212 3316
3213 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3317 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3214 3318
3215 if (ref $msg) { 3319 if (ref $msg) {
3216 my ($type, $reply, @payload) = 3320 my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3217 "ARRAY" eq ref $msg
3218 ? @$msg
3219 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3220 3321
3221 my @reply; 3322 my @reply;
3222 3323
3223 if (my $cb = $EXTICMD{$type}) { 3324 if (my $cb = $EXTICMD{$type}) {
3224 @reply = $cb->($ns, @payload); 3325 @reply = $cb->($ns, @payload);
… …
3413 3514
3414 my $enc = JSON::XS->new->utf8->canonical->relaxed; 3515 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3415 3516
3416 trace "loading facedata from $path\n"; 3517 trace "loading facedata from $path\n";
3417 3518
3418 0 < aio_load $path, my $facedata 3519 my $facedata = decode_storable load_file $path;
3419 or die "$path: $!";
3420
3421 $facedata = Coro::Storable::thaw $facedata;
3422 3520
3423 $facedata->{version} == 2 3521 $facedata->{version} == 2
3424 or cf::cleanup "$path: version mismatch, cannot proceed."; 3522 or cf::cleanup "$path: version mismatch, cannot proceed.";
3425 3523
3426 # patch in the exptable 3524 # patch in the exptable
… …
3440 3538
3441 cf::face::set_visibility $idx, $info->{visibility}; 3539 cf::face::set_visibility $idx, $info->{visibility};
3442 cf::face::set_magicmap $idx, $info->{magicmap}; 3540 cf::face::set_magicmap $idx, $info->{magicmap};
3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32}; 3541 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64}; 3542 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3543 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3445 3544
3446 cf::cede_to_tick; 3545 cf::cede_to_tick;
3447 } 3546 }
3448 3547
3449 while (my ($face, $info) = each %$faces) { 3548 while (my ($face, $info) = each %$faces) {
… …
3476 3575
3477 { 3576 {
3478 my $res = $facedata->{resource}; 3577 my $res = $facedata->{resource};
3479 3578
3480 while (my ($name, $info) = each %$res) { 3579 while (my ($name, $info) = each %$res) {
3481 if (defined $info->{type}) { 3580 if (defined (my $type = $info->{type})) {
3581 # TODO: different hash - must free and use new index, or cache ixface data queue
3482 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3582 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3483 3583
3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash}; 3584 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type}; 3585 cf::face::set_type $idx, $type;
3586 cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3486 } else { 3587 } else {
3487 $RESOURCE{$name} = $info; # unused 3588# $RESOURCE{$name} = $info; # unused
3488 } 3589 }
3489 3590
3490 cf::cede_to_tick; 3591 cf::cede_to_tick;
3491 } 3592 }
3492 } 3593 }
… …
3544} 3645}
3545 3646
3546sub reload_sound { 3647sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n"; 3648 trace "loading sound config from $DATADIR/sound\n";
3548 3649
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data); 3650 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3553 3651
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) { 3652 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_] 3653 my $sound = $soundconf->{compat}[$_]
3556 or next; 3654 or next;
3557 3655
… …
3581} 3679}
3582 3680
3583sub reload_config { 3681sub reload_config {
3584 trace "reloading config file...\n"; 3682 trace "reloading config file...\n";
3585 3683
3586 0 < aio_load "$CONFDIR/config", my $config 3684 my $config = load_file "$CONFDIR/config";
3587 or die "$CONFDIR/config: $!";
3588
3589 utf8::decode $config; 3685 utf8::decode $config;
3590 *CFG = yaml_load $config; 3686 *CFG = decode_yaml $config;
3591 3687
3592 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38]; 3688 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3593 3689
3594 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3690 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3595 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3691 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
3633 3729
3634sub main { 3730sub main {
3635 cf::init_globals; # initialise logging 3731 cf::init_globals; # initialise logging
3636 3732
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION; 3733 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team."; 3734 LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel."; 3735 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen."; 3736 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641 3737
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3738 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643 3739
… …
3685 }; 3781 };
3686 3782
3687 cf::object::thawer::errors_are_fatal 0; 3783 cf::object::thawer::errors_are_fatal 0;
3688 info "parse errors in files are no longer fatal from this point on.\n"; 3784 info "parse errors in files are no longer fatal from this point on.\n";
3689 3785
3690 my $free_main; $free_main = EV::idle sub { 3786 AE::postpone {
3691 undef $free_main;
3692 undef &main; # free gobs of memory :) 3787 undef &main; # free gobs of memory :)
3693 }; 3788 };
3694 3789
3695 goto &main_loop; 3790 goto &main_loop;
3696} 3791}
… …
3853 3948
3854 cf::write_runtime_sync; # external watchdog should not bark 3949 cf::write_runtime_sync; # external watchdog should not bark
3855 3950
3856 trace "emergency_perl_save: flushing outstanding aio requests"; 3951 trace "emergency_perl_save: flushing outstanding aio requests";
3857 while (IO::AIO::nreqs || BDB::nreqs) { 3952 while (IO::AIO::nreqs || BDB::nreqs) {
3858 Coro::EV::timer_once 0.01; # let the sync_job do it's thing 3953 Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
3859 } 3954 }
3860 3955
3861 cf::write_runtime_sync; # external watchdog should not bark 3956 cf::write_runtime_sync; # external watchdog should not bark
3862 }; 3957 };
3863 3958
… …
4044 4139
4045############################################################################# 4140#############################################################################
4046 4141
4047my $bug_warning = 0; 4142my $bug_warning = 0;
4048 4143
4049our @WAIT_FOR_TICK;
4050our @WAIT_FOR_TICK_BEGIN;
4051
4052sub wait_for_tick() { 4144sub wait_for_tick() {
4053 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main; 4145 return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
4054 4146
4055 my $signal = new Coro::Signal; 4147 $WAIT_FOR_TICK->wait;
4056 push @WAIT_FOR_TICK, $signal;
4057 $signal->wait;
4058} 4148}
4059 4149
4060sub wait_for_tick_begin() { 4150sub wait_for_tick_begin() {
4061 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main; 4151 return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
4062 4152
4063 my $signal = new Coro::Signal; 4153 my $signal = new Coro::Signal;
4064 push @WAIT_FOR_TICK_BEGIN, $signal; 4154 push @WAIT_FOR_TICK_BEGIN, $signal;
4065 $signal->wait; 4155 $signal->wait;
4066} 4156}
… …
4070 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4160 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4071 unless ++$bug_warning > 10; 4161 unless ++$bug_warning > 10;
4072 return; 4162 return;
4073 } 4163 }
4074 4164
4075 cf::server_tick; # one server iteration 4165 cf::one_tick; # one server iteration
4076 4166
4077 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d# 4167 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
4078 4168
4079 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4169 if ($NOW >= $NEXT_RUNTIME_WRITE) {
4080 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 4170 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
… …
4086 } 4176 }
4087 4177
4088 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4178 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4089 $sig->send; 4179 $sig->send;
4090 } 4180 }
4091 while (my $sig = shift @WAIT_FOR_TICK) { 4181 $WAIT_FOR_TICK->broadcast;
4092 $sig->send;
4093 }
4094 4182
4095 $LOAD = ($NOW - $TICK_START) / $TICK; 4183 $LOAD = ($NOW - $TICK_START) / $TICK;
4096 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4184 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4097 4185
4098 if (0) { 4186 if (0) {
… …
4107{ 4195{
4108 # configure BDB 4196 # configure BDB
4109 4197
4110 BDB::min_parallel 16; 4198 BDB::min_parallel 16;
4111 BDB::max_poll_reqs $TICK * 0.1; 4199 BDB::max_poll_reqs $TICK * 0.1;
4112 $AnyEvent::BDB::WATCHER->priority (1); 4200 #$AnyEvent::BDB::WATCHER->priority (1);
4113 4201
4114 unless ($DB_ENV) { 4202 unless ($DB_ENV) {
4115 $DB_ENV = BDB::db_env_create; 4203 $DB_ENV = BDB::db_env_create;
4116 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT); 4204 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4117 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7; 4205 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;

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