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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.357 by root, Tue Sep 4 08:42:58 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our (%PLAYER, %PLAYER_LOADING); # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
102		132
103	binmode STDOUT;	133	binmode STDOUT;
104	binmode STDERR;	134	binmode STDERR;
105		135
106	# read virtual server time, if available	136	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
111	}	141	}
112		142
113	mkdir $_	143	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		189
160	The raw value load value from the last tick.	190	The raw value load value from the last tick.
161		191
162	=item %cf::CFG	192	=item %cf::CFG
163		193
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	195	from wherever your confdir points to.
166		196
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		198
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	217	$msg .= "\n"
188	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
189		219
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		221
192	utf8::encode $msg;
193	LOG llevError, $msg;	222	LOG llevError, $msg;
194	};	223	};
195	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
196		240
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	251	for my $pkg (qw(
208	cf::global cf::attachable	252	cf::global cf::attachable
209	cf::object cf::object::player	253	cf::object cf::object::player
210	cf::client cf::player	254	cf::client cf::player
211	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
212	cf::map cf::party cf::region	257	cf::party cf::region
213	)) {	258	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	260	}
217		261
218	$Event::DIED = sub {	262	$EV::DIED = sub {
219	warn "error in event callback: @_";	263	warn "error in event callback: @_";
220	};	264	};
221		265
222	#############################################################################	266	#############################################################################
223		267
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	291	$d
248	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
249	}	293	}
250		294
251	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
252		296
253	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
254		298
255	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
256		300
257	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
258		302
259	=cut	303	=cut
260		304
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		306
263	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
265		309
266	=item cf::lock_wait $string	310	=item cf::lock_wait $string
267		311
268	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
269		313
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
286		330
287	=cut	331	=cut
288		332
289	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
290		335
291	sub lock_wait($) {	336	sub lock_wait($) {
292	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
293		343
294	# wait for lock, if any	344	# wait for lock, if any
295	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	347	Coro::schedule;
…		…
303		353
304	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
305	lock_wait $key;	355	lock_wait $key;
306		356
307	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
308		359
309	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
312	}	364	}
313	}	365	}
314		366
…		…
317		369
318	! ! $LOCK{$key}	370	! ! $LOCK{$key}
319	}	371	}
320		372
321	sub freeze_mainloop {	373	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
323		375
324	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	377	}
326	};	378
327	$TICK_WATCHER->stop;	379	=item cf::periodic $interval, $cb
328	$guard	380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
329	}	392	}
330		393
331	=item cf::get_slot $time[, $priority[, $name]]	394	=item cf::get_slot $time[, $priority[, $name]]
332		395
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	407	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	408	our $SLOT_QUEUE;
346		409
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
349	my $signal = new Coro::Signal;	414	my $signal = new Coro::Signal;
350		415
351	while () {	416	while () {
352	next_job:	417	next_job:
353	my $avail = cf::till_tick;	418	my $avail = cf::till_tick;
…		…
361	}	426	}
362	}	427	}
363	}	428	}
364		429
365	if (@SLOT_QUEUE) {	430	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	432	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	433	$signal->wait;
369	} else {	434	} else {
370	Coro::schedule;	435	Coro::schedule;
371	}	436	}
372	}	437	}
373	};	438	};
374		439
375	sub get_slot($;$$) {	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
376	my ($time, $pri, $name) = @_;	443	my ($time, $pri, $name) = @_;
377		444
378	$time = $TICK * .6 if $time > $TICK * .6;	445	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	446	my $sig = new Coro::Signal;
380		447
…		…
394		461
395	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
396		463
397	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
398		465
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	469	acceptable.
403		470
404	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		477
411	sub sync_job(&) {	478	sub sync_job(&) {
412	my ($job) = @_;	479	my ($job) = @_;
413		480
414	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	482	my $time = EV::time;
416		483
417	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
419		486
420	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	488
422	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
423		490
424	my $busy = 1;	491	my $busy = 1;
425	my @res;	492	my @res;
426		493
427	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	496	@res = eval { $job->() };
429	warn $@ if $@;	497	warn $@ if $@;
430	undef $busy;	498	undef $busy;
431	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
432		500
433	while ($busy) {	501	while ($busy) {
434	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
435	}	506	}
		507	}
436		508
437	$time = Event::time - $time;	509	my $time = EV::time - $time;
438		510
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
443		512
444	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
445	} else {	514	} else {
446	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
447		516
…		…
472	=item fork_call { }, $args	541	=item fork_call { }, $args
473		542
474	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
478		547
479	=cut	548	=cut
480		549
481	sub fork_call(&@) {	550	sub fork_call(&@) {
482	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
…		…
491	}, @args;	560	}, @args;
492		561
493	wantarray ? @res : $res[-1]	562	wantarray ? @res : $res[-1]
494	}	563	}
495		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
496	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
497		593
498	Returns a single value from the environment database.	594	Returns a single value from the environment database.
499		595
500	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
501		597
502	Stores the given C<$value> in the family. It can currently store binary	598	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
505	=cut	606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
506		624
507	our $DB;	625	our $DB;
508		626
509	sub db_init {	627	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	628	cf::sync_job {
514	eval {	629	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	630	};
524	}	631	}
525		632
526	sub db_get($$) {	633	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
528		635
…		…
626		733
627	#############################################################################	734	#############################################################################
628		735
629	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
630		737
631	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
634		741
635	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	744	Deliantra).
638		745
639	=over 4	746	=over 4
640		747
641	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
642		749
…		…
686	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
687		794
688	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
690		797
691	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
693		800
694	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
695		802
696	=over 4	803	=over 4
…		…
924	}	1031	}
925		1032
926	0	1033	0
927	}	1034	}
928		1035
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1037
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1039
933	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
934		1041
…		…
940		1047
941	=cut	1048	=cut
942		1049
943	#############################################################################	1050	#############################################################################
944	# object support	1051	# object support
945	#
946		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
947	sub _can_merge {	1086	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1087	my ($ob1, $ob2) = @_;
949		1088
950	local $Storable::canonical = 1;	1089	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1090
954	$fob1 eq $fob2	1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
955	}	1093	}
956		1094
957	sub reattach {	1095	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1097	my ($obj) = @_;
960		1098
		1099	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1101
963	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
964		1103
965	@$registry = ();	1104	@$registry = ();
966		1105
…		…
981	cf::attachable->attach (	1120	cf::attachable->attach (
982	prio => -1000000,	1121	prio => -1000000,
983	on_instantiate => sub {	1122	on_instantiate => sub {
984	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
985		1124
986	$data = from_json $data;	1125	$data = decode_json $data;
987		1126
988	for (@$data) {	1127	for (@$data) {
989	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
990		1129
991	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1144	);
1006		1145
1007	sub object_freezer_save {	1146	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
1009		1148
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1149	sync_job {
1013	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
1016		1154
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1021	close $fh;	1159	aio_close $fh;
1022		1160
1023	if (@$objs) {	1161	if (@$objs) {
1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1025	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1167	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1169	}
1032	} else {	1170	} else {
1033	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
1034	}	1172	}
…		…
1040	} else {	1178	} else {
1041	aio_unlink $filename;	1179	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
1043	}	1181	}
1044	};	1182	};
1045
1046	undef $guard;
1047	}	1183	}
1048		1184
1049	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
1051		1187
…		…
1056		1192
1057	sub object_thawer_load {	1193	sub object_thawer_load {
1058	my ($filename) = @_;	1194	my ($filename) = @_;
1059		1195
1060	my ($data, $av);	1196	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1197
1064	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
1065	or return;	1199	or return;
1066		1200
1067	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1203	or return;
1070		1204
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1073	}	1207	}
1074		1208
		1209	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
1077		1212
1078	($data, $av)	1213	($data, $av)
1079	}	1214	}
1080		1215
1081	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
…		…
1206		1341
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1344
1210	$ext{source} =	1345	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1212	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1213	. $source	1348	. $source
1214	. "\n};\n1";	1349	. "\n};\n1";
1215		1350
1216	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1232	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1233	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1234		1369
1235	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1236	warn $msg;	1371	warn $msg;
1237	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1238	exit 1;
1239	}	1373	}
1240		1374
1241	warn $msg;	1375	warn $msg;
1242	}	1376	}
1243		1377
…		…
1257		1391
1258	=back	1392	=back
1259		1393
1260	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1261		1395
1262	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1263		1397
1264	=cut	1398	=cut
1265		1399
1266	package cf::player;	1400	package cf::player;
1267		1401
1268	use Coro::AIO;	1402	use Coro::AIO;
1269		1403
1270	=head3 cf::player	1404	=head3 cf::player
1271		1405
1272	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1273		1421
1274	=item cf::player::find $login	1422	=item cf::player::find $login
1275		1423
1276	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1277		1425
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1465
1318	my $f = new_from_file cf::object::thawer path $login	1466	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1467	or return;
1320		1468
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1469	my $pl = cf::player::load_pl $f
1323	or return;	1470	or return;
		1471
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1472	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1473	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1327	}	1475	}
1328	}	1476	}
…		…
1338		1486
1339	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1340		1488
1341	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
		1491
		1492	cf::get_slot 0.01;
1343		1493
1344	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1495	cf::cede_to_tick;
1346	}	1496	}
1347		1497
…		…
1379	my ($pl) = @_;	1529	my ($pl) = @_;
1380		1530
1381	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1382		1532
1383	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1535
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1390		1542
1391	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1431		1583
1432	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
1433	my $path = path $login;	1585	my $path = path $login;
1434		1586
1435	# a .pst is a dead give-away for a valid player	1587	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1593	}
1441		1594
…		…
1472	}	1625	}
1473		1626
1474	\@paths	1627	\@paths
1475	}	1628	}
1476		1629
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1631
1479	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1633
1528	=item $player->ext_reply ($msgid, @msg)	1634	=item $player->ext_reply ($msgid, @msg)
1529		1635
1530	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1531		1637
…		…
1598	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1600		1706
1601	sub generate_random_map {	1707	sub generate_random_map {
1602	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1603	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1604	$self->_create_random_map (	1713	$self->_create_random_map (
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1729		1838
1730	# the temporary/swap location	1839	# the temporary/swap location
1731	sub save_path {	1840	sub save_path {
1732	my ($self) = @_;	1841	my ($self) = @_;
1733		1842
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1736	}	1845	}
1737		1846
1738	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1739	sub uniq_path {	1848	sub uniq_path {
1740	my ($self) = @_;	1849	my ($self) = @_;
1741		1850
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1744	}	1853	}
1745		1854
1746	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1747	# all maps in C++...	1856	# all maps in C++...
…		…
1841	sub find {	1950	sub find {
1842	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1843		1952
1844	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1845		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1847		1957
1848	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1849	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1850	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1851	or return;	1963	or return;
1852		1964
1853	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1854		1966
…		…
1856	or return;	1968	or return;
1857		1969
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1861	$map->reset;	1975	$map->reset;
1862	undef $guard;
1863	return find $path;	1976	return find $path;
1864	}	1977	}
1865		1978
1866	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1867	}	1980	}
…		…
1879		1992
1880	{	1993	{
1881	my $guard = cf::lock_acquire "map_data:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1882		1995
1883	return unless $self->valid;	1996	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1885		1998
1886	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1887		2000
1888	$self->alloc;	2001	$self->alloc;
1889		2002
…		…
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2007	$f->skip_block;
1895	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
1896	or return;	2009	or return;
1897		2010
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1899	if delete $self->{load_original};	2012	if delete $self->{load_original};
1900		2013
1901	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2015	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
1929	}	2042	}
1930		2043
1931	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1933		2046
1934	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1935	}	2048	}
1936		2049
1937	$self->post_load;	2050	$self->post_load;
1938	}	2051	}
1939		2052
…		…
1997	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
1998		2111
1999	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2000		2113
2001	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2116	}
2004		2117
2005	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2006		2119
2007	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
2008	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2125	if (my $map = find $k) {
2011	$map->load if $v;	2126	$map->load if $v;
2012	}	2127	}
…		…
2038	return if $self->{deny_save};	2153	return if $self->{deny_save};
2039		2154
2040	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2041		2156
2042	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2044	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2045		2163
2046	if ($uniq) {	2164	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2167	} else {
…		…
2058	$self->save;	2176	$self->save;
2059		2177
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2179
2062	return if $self->players;	2180	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2182	return if $self->{deny_save};
2065		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2188	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2189	}
2069		2190
2070	sub reset_at {	2191	sub reset_at {
2071	my ($self) = @_;	2192	my ($self) = @_;
2072		2193
…		…
2104	if $uniq;	2225	if $uniq;
2105	}	2226	}
2106		2227
2107	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2108		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2232	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2233
2113	$self->unlink_save;	2234	$self->unlink_save;
2114	$self->destroy;	2235	$self->destroy;
2115	}	2236	}
2116		2237
…		…
2183		2304
2184	sub unique_maps() {	2305	sub unique_maps() {
2185	[	2306	[
2186	map {	2307	map {
2187	utf8::decode $_;	2308	utf8::decode $_;
2188	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2189	? normalise $_	2312	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2314	]
2193	}	2315	}
2194		2316
2195	package cf;
2196
2197	=back	2317	=back
2198		2318
2199	=head3 cf::object	2319	=head3 cf::object
2200		2320
2201	=cut	2321	=cut
…		…
2204		2324
2205	=over 4	2325	=over 4
2206		2326
2207	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2208		2328
2209	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2210		2331
2211	=cut	2332	=cut
2212		2333
2213	sub inv_recursive_;	2334	sub inv_recursive_;
2214	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2220	}	2341	}
2221		2342
2222	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2223		2344
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2346
2226	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2227		2348
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2231	=cut	2352	=cut
2232		2353
2233	sub deref {	2354	sub deref {
2234	my ($ref) = @_;	2355	my ($ref) = @_;
2235		2356
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2358	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2360	or return;
2243	$pl->ob->uuid eq $uuid	2361	$pl->ob->uuid eq $uuid
2244	or return;	2362	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2266		2384
2267	=cut	2385	=cut
2268		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2269	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2402	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2418
2287	} else {	2419	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2422	}
2291	}	2423	}
2292	}	2424	}
2293		2425
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2451
2320	=item $player_object->enter_link	2452	=item $player_object->enter_link
2321		2453
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2455
2324	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2326		2460
2327	Will never block.	2461	Will never block.
2328		2462
2329	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2330		2464
…		…
2388		2522
2389	$map->load;	2523	$map->load;
2390	$map->load_neighbours;	2524	$map->load_neighbours;
2391		2525
2392	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2393	$self->activate_recursive;	2528	$self->activate_recursive;
2394		2529
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2397	}	2532	}
…		…
2402	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2540	be called at the end of this process.
2406		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2407	=cut	2545	=cut
2408		2546
2409	our $GOTOGEN;	2547	our $GOTOGEN;
2410		2548
2411	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2554
2417	$self->enter_link;	2555	$self->enter_link;
2418		2556
2419	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2420	my $map = eval {	2579	my $map = eval {
2421	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2422		2581
2423	if ($map) {	2582	if ($map) {
2424	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2426	} else {	2585	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2587	}
2429		2588
2430	$map	2589	$map
2431	};	2590	};
2432		2591
…		…
2468	}	2627	}
2469		2628
2470	sub prepare_random_map {	2629	sub prepare_random_map {
2471	my ($exit) = @_;	2630	my ($exit) = @_;
2472		2631
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2634	# that depends on the exit object
2478		2635
2479	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2638	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2486	}	2645	}
2487		2646
2488	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2489		2648
2490	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2493		2652
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2655	undef $fh;
2497	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2498		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2501	}	2664	}
2502	}	2665	}
2503		2666
2504	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2506		2669
2507	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2508		2671
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	2672	$self->enter_link;
2521		2673
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	2674	(async {
2527	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2528	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2529	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2530		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2531	1;	2698	1
2532	}) {	2699	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2704
2538	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2568		2735
2569	=cut	2736	=cut
2570		2737
		2738	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2739	our %CHANNEL = (
2572	"c/identify" => {	2740	"c/identify" => {
2573	id => "identify",	2741	id => "infobox",
2574	title => "Identify",	2742	title => "Identify",
2575	reply => undef,	2743	reply => undef,
2576	tooltip => "Items recently identified",	2744	tooltip => "Items recently identified",
2577	},	2745	},
2578	"c/examine" => {	2746	"c/examine" => {
2579	id => "examine",	2747	id => "infobox",
2580	title => "Examine",	2748	title => "Examine",
2581	reply => undef,	2749	reply => undef,
2582	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2583	},	2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
2584	);	2800	);
2585		2801
2586	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2804
2589	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2590		2807
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2809
2593	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
2595		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2596	if (ref $channel) {	2819	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2823	$self->ext_msg (channel_info => $channel)
2601	if $self->can_msg;	2824	if $self->can_msg;
…		…
2609	if ($self->can_msg) {	2832	if ($self->can_msg) {
2610	# default colour, mask it out	2833	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2835	if $color & cf::NDI_DEF;
2613		2836
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2616	} else {	2853	} else {
2617	if ($color >= 0) {	2854	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones	2855	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {	2856	for ($msg) {
2620	1 while	2857	1 while
…		…
2818	=pod	3055	=pod
2819		3056
2820	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2821		3058
2822	cf::object	3059	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3060	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3061	insert remove name archname title slaying race decrease split
2825		3062
2826	cf::object::player	3063	cf::object::player
2827	player	3064	player
2828		3065
2829	cf::player	3066	cf::player
…		…
2834		3071
2835	=cut	3072	=cut
2836		3073
2837	for (	3074	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3077	decrease split destroy change_exp)],
2841	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2843	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2844	) {	3081	) {
2845	no strict 'refs';	3082	no strict 'refs';
…		…
2950	{	3187	{
2951	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2952		3189
2953	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2955	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2959		3197
2960	cf::cede_to_tick;	3198	cf::cede_to_tick;
2961	}	3199	}
2962		3200
2963	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2965	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2966	or next;	3205	or next;
		3206
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3210	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2989	{	3229	{
2990	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2993		3233
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;	3237	my $data;
2999		3238
3000	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3001	# prepend meta info	3240	# prepend meta info
3002		3241
3003	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3004	name => $name,	3243	name => $name,
3005	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3006	});	3245	});
3007		3246
3008	$data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
3009	} else {	3254	} else {
3010	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3011	}	3256	}
3012		3257
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3258	cf::cede_to_tick;
3017	}	3259	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3263
3038	1	3264	1
3039	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
3040		3286
3041	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3043		3289
3044	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3046	}	3292	}
3047	};	3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
3048		3304
3049	sub reload_regions {	3305	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3307	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3322	}
3067		3323
3068	sub reload_archetypes {	3324	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3327	}
3077		3328
3078	sub reload_treasures {	3329	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3081	}	3332	}
3082		3333
3083	sub reload_resources {	3334	sub reload_resources {
3084	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3085		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3086	reload_regions;	3339	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3340	reload_treasures;
3091		3341
3092	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3093	}	3343	}
3094		3344
3095	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
3096	reload_resources;	3350	reload_resources;
3097	}	3351	}
3098		3352
3099	sub reload_config {	3353	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3355	or return;
3102		3356
3103	local $/;	3357	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
3105		3359
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3361
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3115	};	3369	};
3116	warn $@ if $@;	3370	warn $@ if $@;
3117	}	3371	}
3118	}	3372	}
3119		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
3120	sub main {	3393	sub main {
		3394	atomic;
		3395
3121	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3399	(async {
3125	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
3127	};	3403	};
3128		3404
		3405	{
		3406	my $guard = freeze_mainloop;
3129	reload_config;	3407	reload_config;
3130	db_init;	3408	db_init;
3131	load_extensions;	3409	load_extensions;
3132		3410
3133	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
3134	Event::loop;	3419	EV::loop;
3135	}	3420	}
3136		3421
3137	#############################################################################	3422	#############################################################################
3138	# initialisation and cleanup	3423	# initialisation and cleanup
3139		3424
3140	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
3141	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
3150	},
3151	);	3431	};
3152	}	3432	}
3153	}	3433	}
3154		3434
3155	sub write_runtime {	3435	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";
3157
3158	# first touch the runtime file to show we are still running:	3436	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3437	# the fsync below can take a very very long time.
3160		3438
3161	IO::AIO::aio_utime $runtime, undef, undef;	3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3440
3163	my $guard = cf::lock_acquire "write_runtime";	3441	my $guard = cf::lock_acquire "write_runtime";
3164		3442
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3166	or return;	3444	or return;
3167		3445
3168	my $value = $cf::RUNTIME + 90 + 10;	3446	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3447	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3448	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3458	aio_utime $fh, undef, undef;
3181		3459
3182	close $fh	3460	close $fh
3183	or return;	3461	or return;
3184		3462
3185	aio_rename "$runtime~", $runtime	3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3464	and return;
3187		3465
3188	warn "runtime file written.\n";	3466	warn "runtime file written.\n";
3189		3467
3190	1	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
3191	}	3512	}
3192		3513
3193	sub emergency_save() {	3514	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
3195		3516
…		…
3201	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
3203	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3528	$pl->save;
3207	}	3529	}
3208	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
3209		3531
3210	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
3216	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
3217		3539
3218	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
3221	};	3547	};
3222		3548
3223	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
3224	}	3550	}
3225		3551
3226	sub post_cleanup {	3552	sub post_cleanup {
3227	my ($make_core) = @_;	3553	my ($make_core) = @_;
3228		3554
3229	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
3231	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
3232		3589
3233	sub do_reload_perl() {	3590	sub do_reload_perl() {
3234	# can/must only be called in main	3591	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
3237	return;	3594	return;
3238	}	3595	}
3239		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
3240	warn "reloading...";	3600	warn "reloading...";
3241		3601
3242	warn "entering sync_job";	3602	warn "entering sync_job";
3243		3603
3244	cf::sync_job {	3604	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3606	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
3248		3608
3249	warn "syncing database to disk";	3609	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3611
3252	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
3253		3613
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();
3273
3274	warn "removing commands";
3275	%COMMAND = ();
3276
3277	warn "removing ext/exti commands";
3278	%EXTCMD = ();
3279	%EXTICMD = ();
3280
3281	warn "unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";
3284
3285	if (my $cb = $pkg->can ("unload")) {
3286	eval {
3287	$cb->($pkg);
3288	1
3289	} or warn "$pkg unloaded, but with errors: $@";
3290	}	3617	}
3291		3618
3292	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
3294	}	3621	%EXT_CORO = ();
3295		3622
3296	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3632	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3633
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
3307	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
3308	}	3643	}
3309		3644
3310	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
3311	}	3660	}
3312		3661
3313	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3665
3317	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
3320		3669
3321	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3671	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
3324		3673
3325	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
3326		3675
3327	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
3328	require cf;	3677	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3330		3679
3331	warn "loading config and database again";	3680	warn "loading config and database again";
3332	cf::reload_config;	3681	cf::reload_config;
3333		3682
3334	warn "loading extensions";	3683	warn "loading extensions";
3335	cf::load_extensions;	3684	cf::load_extensions;
3336		3685
3337	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
3343		3692
3344	warn "leaving sync_job";	3693	warn "leaving sync_job";
3345		3694
3346	1	3695	1
3347	} or do {	3696	} or do {
3348	warn $@;	3697	warn $@;
3349	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3699	};
3352		3700
3353	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
3354	};	3704	};
3355		3705
3356	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
3357		3707
3358	sub reload_perl() {	3708	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
3361		3711
3362	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3363	reentrant => 0,
3364	after => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => sub {
3367	do_reload_perl;	3713	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
3369	},
3370	);	3715	};
3371	}	3716	}
3372		3717
3373	register_command "reload" => sub {	3718	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
3375		3720
3376	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3725	reload_perl;
		3726	};
3379	}	3727	}
3380	};	3728	};
3381		3729
3382	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
3383		3731
…		…
3385		3733
3386	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
3388		3736
3389	sub wait_for_tick {	3737	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
3392		3739
3393	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3742	$signal->wait;
3396	}	3743	}
3397		3744
3398	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
3401		3747
3402	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3750	$signal->wait;
3405	}	3751	}
3406		3752
3407	my $min = 1e6;#d#	3753	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
3419	return;	3757	return;
3420	}	3758	}
3421		3759
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
3425		3761
3426	0 && sync_job {#d#	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	3764	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3765	$Coro::current->{desc} = "runtime saver";
3430	or die;	3766	write_runtime_sync
3431		3767	or warn "ERROR: unable to write runtime file: $!";
3432	$map->width (50);
3433	$map->height (50);
3434	$map->alloc;
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436	my $t = Event::time - $t;
3437
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	3768	};
		3769	}
3448		3770
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3772	$sig->send;
3465	}	3773	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3775	$sig->send;
3468	}	3776	}
3469		3777
3470	$NOW = Event::time;	3778	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3780
3481	_post_tick;	3781	if (0) {
3482		3782	if ($NEXT_TICK) {
3483		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
3484	},	3787	}
3485	);	3788	}
3486		3789
3487	{	3790	{
3488	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3792
3490	reentrant => 0,
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
3498		3794	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		3796
3514	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3804
3517	cf::sync_job {	3805	cf::sync_job {
3518	eval {	3806	eval {
3519	BDB::db_env_open	3807	BDB::db_env_open
3520	$DB_ENV,	3808	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3812	0666;
3525		3813
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	3815	};
3531		3816
3532	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3818	};
3534	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
3535	}	3830	}
3536		3831
3537	{	3832	{
		3833	# configure IO::AIO
		3834
3538	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	3838	}
3551		3839
3552	my $_log_backtrace;	3840	my $_log_backtrace;
3553		3841
3554	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
3558		3846
3559	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
3562	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3563	my @bt = fork_call {	3854	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
3575	}	3866	}
3576		3867
3577	@funcs	3868	@funcs
3578	};	3869	};
3579		3870
3580	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	3874	--$_log_backtrace;
3583	};	3875	};
3584	} else {	3876	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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