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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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 = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
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, non-zero while in reload
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; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # 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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
102		134
103	binmode STDOUT;	135	binmode STDOUT;
104	binmode STDERR;	136	binmode STDERR;
105		137
106	# read virtual server time, if available	138	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
111	}	143	}
112		144
113	mkdir $_	145	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		191
160	The raw value load value from the last tick.	192	The raw value load value from the last tick.
161		193
162	=item %cf::CFG	194	=item %cf::CFG
163		195
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	197	from wherever your confdir points to.
166		198
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		200
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	219	$msg .= "\n"
188	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
189		221
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		223
192	utf8::encode $msg;
193	LOG llevError, $msg;	224	LOG llevError, $msg;
194	};	225	};
195	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
196		242
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	253	for my $pkg (qw(
208	cf::global cf::attachable	254	cf::global cf::attachable
209	cf::object cf::object::player	255	cf::object cf::object::player
210	cf::client cf::player	256	cf::client cf::player
211	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
212	cf::map cf::party cf::region	259	cf::party cf::region
213	)) {	260	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	262	}
217		263
218	$Event::DIED = sub {	264	$EV::DIED = sub {
219	warn "error in event callback: @_";	265	warn "error in event callback: @_";
220	};	266	};
221		267
222	#############################################################################	268	#############################################################################
223		269
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	293	$d
248	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
249	}	295	}
250		296
251	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
252		298
253	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
254		300
255	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
256		302
257	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
258		304
259	=cut	305	=cut
260		306
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		308
263	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
265		325
266	=item cf::lock_wait $string	326	=item cf::lock_wait $string
267		327
268	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
269		329
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
286		346
287	=cut	347	=cut
288		348
289	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
290		351
291	sub lock_wait($) {	352	sub lock_wait($) {
292	my ($key) = @_;	353	my ($key) = @_;
293		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
294	# wait for lock, if any	360	# wait for lock, if any
295	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	364	Coro::schedule;
298	}	365	}
299	}	366	}
300		367
…		…
303		370
304	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
305	lock_wait $key;	372	lock_wait $key;
306		373
307	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
308		376
309	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
312	}	381	}
313	}	382	}
314		383
…		…
317		386
318	! ! $LOCK{$key}	387	! ! $LOCK{$key}
319	}	388	}
320		389
321	sub freeze_mainloop {	390	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
323		392
324	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	394	}
326	};	395
327	$TICK_WATCHER->stop;	396	=item cf::periodic $interval, $cb
328	$guard	397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
329	}	409	}
330		410
331	=item cf::get_slot $time[, $priority[, $name]]	411	=item cf::get_slot $time[, $priority[, $name]]
332		412
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	424	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	425	our $SLOT_QUEUE;
346		426
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
349	my $signal = new Coro::Signal;	431	my $signal = new Coro::Signal;
350		432
351	while () {	433	while () {
352	next_job:	434	next_job:
353	my $avail = cf::till_tick;	435	my $avail = cf::till_tick;
…		…
361	}	443	}
362	}	444	}
363	}	445	}
364		446
365	if (@SLOT_QUEUE) {	447	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	449	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	450	$signal->wait;
369	} else {	451	} else {
370	Coro::schedule;	452	Coro::schedule;
371	}	453	}
372	}	454	}
373	};	455	};
374		456
375	sub get_slot($;$$) {	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
376	my ($time, $pri, $name) = @_;	460	my ($time, $pri, $name) = @_;
377		461
378	$time = $TICK * .6 if $time > $TICK * .6;	462	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	463	my $sig = new Coro::Signal;
380		464
…		…
394		478
395	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
396		480
397	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
398		482
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	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	484	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	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	486	acceptable.
403		487
404	If it must be done, put the blocking parts into C<sync_job>. This will run	488	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	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		494
411	sub sync_job(&) {	495	sub sync_job(&) {
412	my ($job) = @_;	496	my ($job) = @_;
413		497
414	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	499	my $time = EV::time;
416		500
417	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
419		503
420	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	505
422	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
423		507
424	my $busy = 1;	508	my $busy = 1;
425	my @res;	509	my @res;
426		510
427	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	513	@res = eval { $job->() };
429	warn $@ if $@;	514	warn $@ if $@;
430	undef $busy;	515	undef $busy;
431	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
432		517
433	while ($busy) {	518	while ($busy) {
434	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
435	}	523	}
		524	}
436		525
437	$time = Event::time - $time;	526	my $time = EV::time - $time;
438		527
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	528	$TICK_START += $time; # do not account sync jobs to server load
443		529
444	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
445	} else {	531	} else {
446	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
447		533
…		…
472	=item fork_call { }, $args	558	=item fork_call { }, $args
473		559
474	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
478		564
479	=cut	565	=cut
480		566
481	sub fork_call(&@) {	567	sub fork_call(&@) {
482	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
483		569
484	# we seemingly have to make a local copy of the whole thing,	570	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	571	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	572	# TODO: investigate and fix (likely this will be rather laborious)
487		573
488	my @res = Coro::Util::fork_eval {	574	my @res = Coro::Util::fork_eval {
489	reset_signals;	575	reset_signals;
490	&$cb	576	&$cb
491	}, @args;	577	}, @args;
492		578
493	wantarray ? @res : $res[-1]	579	wantarray ? @res : $res[-1]
494	}	580	}
495		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
496	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
497		610
498	Returns a single value from the environment database.	611	Returns a single value from the environment database.
499		612
500	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
501		614
502	Stores the given C<$value> in the family. It can currently store binary	615	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).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
505	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
506		641
507	our $DB;	642	our $DB;
508		643
509	sub db_init {	644	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	645	cf::sync_job {
514	eval {	646	$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	}	647	};
524	}	648	}
525		649
526	sub db_get($$) {	650	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
528		652
…		…
626		750
627	#############################################################################	751	#############################################################################
628		752
629	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
630		754
631	Many objects in crossfire are so-called attachable objects. That means you can	755	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")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
634		758
635	In the following description, CLASS can be any of C<global>, C<object>	759	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	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	761	Deliantra).
638		762
639	=over 4	763	=over 4
640		764
641	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
642		766
…		…
686	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
687		811
688	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
690		814
691	Some classes such as crossfire maps and objects can specify attachments	815	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.	816	that are attached at load/instantiate time, thus the need for a name.
693		817
694	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
695		819
696	=over 4	820	=over 4
…		…
924	}	1048	}
925		1049
926	0	1050	0
927	}	1051	}
928		1052
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1054
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1056
933	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
934		1058
…		…
940		1064
941	=cut	1065	=cut
942		1066
943	#############################################################################	1067	#############################################################################
944	# object support	1068	# object support
945	#
946		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
947	sub _can_merge {	1103	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1104	my ($ob1, $ob2) = @_;
949		1105
950	local $Storable::canonical = 1;	1106	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1107
954	$fob1 eq $fob2	1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
955	}	1110	}
956		1111
957	sub reattach {	1112	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1114	my ($obj) = @_;
960		1115
		1116	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1118
963	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
964		1120
965	@$registry = ();	1121	@$registry = ();
966		1122
…		…
981	cf::attachable->attach (	1137	cf::attachable->attach (
982	prio => -1000000,	1138	prio => -1000000,
983	on_instantiate => sub {	1139	on_instantiate => sub {
984	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
985		1141
986	$data = from_json $data;	1142	$data = decode_json $data;
987		1143
988	for (@$data) {	1144	for (@$data) {
989	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
990		1146
991	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1163	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
1009		1165
1010	sync_job {	1166	sync_job {
1011	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
1014		1171
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1176	aio_close $fh;
1020		1177
1021	if (@$objs) {	1178	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1184	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1186	}
1030	} else {	1187	} else {
1031	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1032	}	1189	}
1033		1190
1034	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
1035	} else {	1195	} else {
1036	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
1037	}	1197	}
1038	} else {	1198	} else {
1039	aio_unlink $filename;	1199	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
1041	}	1201	}
1042	}	1202	};
1043	}	1203	}
1044		1204
1045	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
1047		1207
…		…
1059	or return;	1219	or return;
1060		1220
1061	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1223	or return;
		1224
1064	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
1065	}	1227	}
1066		1228
		1229	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1231	$decname, length $data, scalar @{$av || []};
		1232
1069	return ($data, $av);	1233	($data, $av)
1070	}	1234	}
1071		1235
1072	=head2 COMMAND CALLBACKS	1236	=head2 COMMAND CALLBACKS
1073		1237
1074	=over 4	1238	=over 4
…		…
1197		1361
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1364
1201	$ext{source} =	1365	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1367	. "#line 1 \"$path\"\n{\n"
1204	. $source	1368	. $source
1205	. "\n};\n1";	1369	. "\n};\n1";
1206		1370
1207	$todo{$base} = \%ext;	1371	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1387	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1388	: "$v->{base}: extension inactive.\n";
1225		1389
1226	if (exists $v->{meta}{mandatory}) {	1390	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1391	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1392	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1393	}
1231		1394
1232	warn $msg;	1395	warn $msg;
1233	}	1396	}
1234		1397
…		…
1248		1411
1249	=back	1412	=back
1250		1413
1251	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1252		1415
1253	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1254		1417
1255	=cut	1418	=cut
1256		1419
1257	package cf::player;	1420	package cf::player;
1258		1421
1259	use Coro::AIO;	1422	use Coro::AIO;
1260		1423
1261	=head3 cf::player	1424	=head3 cf::player
1262		1425
1263	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1264		1441
1265	=item cf::player::find $login	1442	=item cf::player::find $login
1266		1443
1267	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1268		1445
…		…
1287		1464
1288	sub exists($) {	1465	sub exists($) {
1289	my ($login) = @_;	1466	my ($login) = @_;
1290		1467
1291	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1293	}	1470	}
1294		1471
1295	sub find($) {	1472	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1474	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1485
1309	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1312	}	1495	}
1313	}	1496	}
1314	}	1497	}
1315		1498
…		…
1323		1506
1324	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1325		1508
1326	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
		1511
		1512	cf::get_slot 0.01;
1328		1513
1329	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1515	cf::cede_to_tick;
1331	}	1516	}
1332		1517
…		…
1364	my ($pl) = @_;	1549	my ($pl) = @_;
1365		1550
1366	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1367		1552
1368	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1555
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1375		1562
1376	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1600	or return [];
1414		1601
1415	my @logins;	1602	my @logins;
1416		1603
1417	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1421		1614
1422	utf8::decode $login;	1615	utf8::decode $login;
1423	push @logins, $login;	1616	push @logins, $login;
1424	}	1617	}
1425		1618
…		…
1452	}	1645	}
1453		1646
1454	\@paths	1647	\@paths
1455	}	1648	}
1456		1649
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1651
1459	Expand crossfire pod fragments into protocol xml.	1652	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1653
1507	=item $player->ext_reply ($msgid, @msg)	1654	=item $player->ext_reply ($msgid, @msg)
1508		1655
1509	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1510		1657
…		…
1577	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1579		1726
1580	sub generate_random_map {	1727	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1582	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1733	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1858
1709	# the temporary/swap location	1859	# the temporary/swap location
1710	sub save_path {	1860	sub save_path {
1711	my ($self) = @_;	1861	my ($self) = @_;
1712		1862
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1715	}	1865	}
1716		1866
1717	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1718	sub uniq_path {	1868	sub uniq_path {
1719	my ($self) = @_;	1869	my ($self) = @_;
1720		1870
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1723	}	1873	}
1724		1874
1725	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1726	# all maps in C++...	1876	# all maps in C++...
…		…
1749		1899
1750	sub load_header_from($) {	1900	sub load_header_from($) {
1751	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1752		1902
1753	utf8::encode $path;	1903	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1759		1912
1760	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1761		1914
1762	1	1915	1
1763	}	1916	}
…		…
1817	sub find {	1970	sub find {
1818	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1819		1972
1820	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1821		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1823		1977
1824	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1826	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1827	or return;	1983	or return;
1828		1984
1829	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1830		1986
…		…
1832	or return;	1988	or return;
1833		1989
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1837	$map->reset;	1995	$map->reset;
1838	undef $guard;
1839	return find $path;	1996	return find $path;
1840	}	1997	}
1841		1998
1842	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1843	}	2000	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1853		2010
1854	my $path = $self->{path};	2011	my $path = $self->{path};
1855		2012
1856	{	2013	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2015
		2016	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2018
1862	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1863		2020
1864	$self->alloc;	2021	$self->alloc;
1865		2022
1866	$self->pre_load;	2023	$self->pre_load;
1867	cf::cede_to_tick;	2024	cf::cede_to_tick;
1868		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1870	or return;	2029	or return;
1871		2030
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1873	if delete $self->{load_original};	2032	if delete $self->{load_original};
1874		2033
1875	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2035	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2038	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1880	}	2042	}
1881	}	2043	}
		2044
		2045	$f->resolve_delayed_derefs;
1882		2046
1883	cf::cede_to_tick;	2047	cf::cede_to_tick;
1884	# now do the right thing for maps	2048	# now do the right thing for maps
1885	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2062	}
1899		2063
1900	$self->{last_save} = $cf::RUNTIME;	2064	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2065	$self->last_access ($cf::RUNTIME);
1902		2066
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2068	}
1905		2069
1906	$self->post_load;	2070	$self->post_load;
1907	}	2071	}
1908		2072
…		…
1966	my ($path, $origin, $load) = @_;	2130	my ($path, $origin, $load) = @_;
1967		2131
1968	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1969		2133
1970	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2136	}
1973		2137
1974	$MAP_PREFETCH{$path} |= $load;	2138	$MAP_PREFETCH{$path} |= $load;
1975		2139
1976	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1977	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2145	if (my $map = find $k) {
1980	$map->load if $v;	2146	$map->load if $v;
1981	}	2147	}
…		…
2007	return if $self->{deny_save};	2173	return if $self->{deny_save};
2008		2174
2009	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
2010		2176
2011	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
2013	};	2180	};
		2181
		2182	cf::get_slot 0.02;
2014		2183
2015	if ($uniq) {	2184	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2187	} else {
…		…
2027	$self->save;	2196	$self->save;
2028		2197
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2199
2031	return if $self->players;	2200	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2202	return if $self->{deny_save};
2034		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2208	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2209	}
2038		2210
2039	sub reset_at {	2211	sub reset_at {
2040	my ($self) = @_;	2212	my ($self) = @_;
2041		2213
…		…
2073	if $uniq;	2245	if $uniq;
2074	}	2246	}
2075		2247
2076	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2077		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2252	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2253
2082	$self->unlink_save;	2254	$self->unlink_save;
2083	$self->destroy;	2255	$self->destroy;
2084	}	2256	}
2085		2257
…		…
2152		2324
2153	sub unique_maps() {	2325	sub unique_maps() {
2154	[	2326	[
2155	map {	2327	map {
2156	utf8::decode $_;	2328	utf8::decode $_;
2157	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
2158	? normalise $_	2332	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2334	]
2162	}	2335	}
2163		2336
2164	package cf;
2165
2166	=back	2337	=back
2167		2338
2168	=head3 cf::object	2339	=head3 cf::object
2169		2340
2170	=cut	2341	=cut
…		…
2173		2344
2174	=over 4	2345	=over 4
2175		2346
2176	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
2177		2348
2178	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
2179		2351
2180	=cut	2352	=cut
2181		2353
2182	sub inv_recursive_;	2354	sub inv_recursive_;
2183	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
2186		2358
2187	sub inv_recursive {	2359	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
2189	}	2361	}
2190		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
2191	package cf;	2391	package cf;
2192		2392
2193	=back	2393	=back
2194		2394
2195	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
2201	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
2203	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
2204		2404
2205	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
2206		2420
2207	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2422	# with dialog boxes.
2209	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
2210	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2436	my $dialog = $pl->{npc_dialog};
2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224		2438
2225	} else {	2439	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2442	}
2229	}	2443	}
2230	}	2444	}
2231		2445
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2471
2258	=item $player_object->enter_link	2472	=item $player_object->enter_link
2259		2473
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2475
2262	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
2264		2480
2265	Will never block.	2481	Will never block.
2266		2482
2267	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
2268		2484
…		…
2326		2542
2327	$map->load;	2543	$map->load;
2328	$map->load_neighbours;	2544	$map->load_neighbours;
2329		2545
2330	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2331	$self->activate_recursive;	2548	$self->activate_recursive;
2332		2549
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2335	}	2552	}
…		…
2340	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2559	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2560	be called at the end of this process.
2344		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
		2564
2345	=cut	2565	=cut
2346		2566
2347	our $GOTOGEN;	2567	our $GOTOGEN;
2348		2568
2349	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
…		…
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2574
2355	$self->enter_link;	2575	$self->enter_link;
2356		2576
2357	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
2358	my $map = eval {	2599	my $map = eval {
2359	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2360		2601
2361	if ($map) {	2602	if ($map) {
2362	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2364	} else {	2605	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2607	}
2367		2608
2368	$map	2609	$map
2369	};	2610	};
2370		2611
…		…
2406	}	2647	}
2407		2648
2408	sub prepare_random_map {	2649	sub prepare_random_map {
2409	my ($exit) = @_;	2650	my ($exit) = @_;
2410		2651
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2654	# that depends on the exit object
2416		2655
2417	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2658	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2424	}	2665	}
2425		2666
2426	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2427		2668
2428	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2431		2672
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2675	undef $fh;
2435	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2436		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2439	}	2684	}
2440	}	2685	}
2441		2686
2442	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2444		2689
2445	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2446		2691
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2692	$self->enter_link;
2459		2693
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2694	(async {
2465	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2466	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2467	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2468		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2469	1;	2718	1
2470	}) {	2719	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2472	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2475		2724
2476	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2753	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2754	the message unless the client supports the msg packet.
2506		2755
2507	=cut	2756	=cut
2508		2757
		2758	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	2759	our %CHANNEL = (
2510	"c/identify" => {	2760	"c/identify" => {
2511	id => "identify",	2761	id => "infobox",
2512	title => "Identify",	2762	title => "Identify",
2513	reply => undef,	2763	reply => undef,
2514	tooltip => "Items recently identified",	2764	tooltip => "Items recently identified",
2515	},	2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
2516	);	2820	);
2517		2821
2518	sub cf::client::send_msg {	2822	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	2823	my ($self, $channel, $msg, $color, @extra) = @_;
2520		2824
2521	$msg = $self->pl->expand_cfpod ($msg);	2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
2522		2827
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		2829
2525	# check predefined channels, for the benefit of C	2830	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
2527		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
2528	if (ref $channel) {	2839	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	2840	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	2841	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	2842	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
2533	}	2845	}
2534		2846
2535	$channel = $channel->{id};	2847	$channel = $channel->{id};
2536	}	2848	}
2537		2849
…		…
2540	if ($self->can_msg) {	2852	if ($self->can_msg) {
2541	# default colour, mask it out	2853	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	2855	if $color & cf::NDI_DEF;
2544		2856
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
2547	} else {	2873	} else {
2548	if ($color >= 0) {	2874	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones	2875	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {	2876	for ($msg) {
2551	1 while	2877	1 while
…		…
2749	=pod	3075	=pod
2750		3076
2751	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2752		3078
2753	cf::object	3079	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3080	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3081	insert remove name archname title slaying race decrease split
2756		3082
2757	cf::object::player	3083	cf::object::player
2758	player	3084	player
2759		3085
2760	cf::player	3086	cf::player
…		…
2765		3091
2766	=cut	3092	=cut
2767		3093
2768	for (	3094	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3097	decrease split destroy change_exp)],
2772	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2774	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2775	) {	3101	) {
2776	no strict 'refs';	3102	no strict 'refs';
…		…
2881	{	3207	{
2882	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2883		3209
2884	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2886	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2890		3217
2891	cf::cede_to_tick;	3218	cf::cede_to_tick;
2892	}	3219	}
2893		3220
2894	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2896	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2897	or next;	3225	or next;
		3226
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3230	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2920	{	3249	{
2921	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
2924		3253
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;	3257	my $data;
2930		3258
2931	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
2932	# prepend meta info	3260	# prepend meta info
2933		3261
2934	my $meta = $enc->encode ({	3262	my $meta = $enc->encode ({
2935	name => $name,	3263	name => $name,
2936	%{ $info->{meta} || {} },	3264	%{ $info->{meta} || {} },
2937	});	3265	});
2938		3266
2939	$data = pack "(w/a*)*", $meta, $info->{data};	3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
2940	} else {	3274	} else {
2941	$data = $info->{data};	3275	$RESOURCE{$name} = $info;
2942	}	3276	}
2943		3277
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3278	cf::cede_to_tick;
2948	}	3279	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3283
2969	1	3284	1
2970	}	3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
2971		3306
2972	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
2973	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
2974		3309
2975	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
2977	}	3312	}
2978	};	3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
2979		3324
2980	sub reload_regions {	3325	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3326	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3327	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3342	}
2998		3343
2999	sub reload_archetypes {	3344	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3347	}
3008		3348
3009	sub reload_treasures {	3349	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3012	}	3352	}
3013		3353
3014	sub reload_resources {	3354	sub reload_resources {
3015	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3016		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3017	reload_regions;	3359	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3360	reload_treasures;
3022		3361
3023	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3024	}
3025
3026	sub init {
3027	reload_resources;
3028	}	3363	}
3029		3364
3030	sub reload_config {	3365	sub reload_config {
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3032	or return;	3367	or return;
3033		3368
3034	local $/;	3369	local $/;
3035	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
3036		3371
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3038		3373
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3046	};	3381	};
3047	warn $@ if $@;	3382	warn $@ if $@;
3048	}	3383	}
3049	}	3384	}
3050		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3051	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
3052	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3424	(async {
3056	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
3058	};	3428	};
3059		3429
		3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
3060	reload_config;	3434	reload_config;
3061	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
3062	load_extensions;	3448	load_extensions;
3063		3449
3064	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
3065	Event::loop;	3458	EV::loop;
3066	}	3459	}
3067		3460
3068	#############################################################################	3461	#############################################################################
3069	# initialisation and cleanup	3462	# initialisation and cleanup
3070		3463
3071	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
3072	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
3081	},
3082	);	3470	};
3083	}	3471	}
3084	}	3472	}
3085		3473
3086	sub write_runtime {	3474	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";
3088
3089	# first touch the runtime file to show we are still running:	3475	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3476	# the fsync below can take a very very long time.
3091		3477
3092	IO::AIO::aio_utime $runtime, undef, undef;	3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3479
3094	my $guard = cf::lock_acquire "write_runtime";	3480	my $guard = cf::lock_acquire "write_runtime";
3095		3481
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3097	or return;	3483	or return;
3098		3484
3099	my $value = $cf::RUNTIME + 90 + 10;	3485	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3486	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3487	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3497	aio_utime $fh, undef, undef;
3112		3498
3113	close $fh	3499	close $fh
3114	or return;	3500	or return;
3115		3501
3116	aio_rename "$runtime~", $runtime	3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3503	and return;
3118		3504
3119	warn "runtime file written.\n";	3505	warn "runtime file written.\n";
3120		3506
3121	1	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
3122	}	3558	}
3123		3559
3124	sub emergency_save() {	3560	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
3126		3562
…		…
3132	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
3134	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3574	$pl->save;
3138	}	3575	}
3139	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
3140		3577
3141	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
3147	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
3148		3585
3149	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
3152	};	3593	};
3153		3594
3154	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
3155	}	3596	}
3156		3597
3157	sub post_cleanup {	3598	sub post_cleanup {
3158	my ($make_core) = @_;	3599	my ($make_core) = @_;
3159		3600
3160	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
3162	}	3632	}
3163		3633
3164	sub do_reload_perl() {	3634	sub do_reload_perl() {
3165	# can/must only be called in main	3635	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
3167	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
3168	return;	3638	return;
3169	}	3639	}
3170		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
3171	warn "reloading...";	3644	warn "reloading...";
3172		3645
3173	warn "entering sync_job";	3646	warn "entering sync_job";
3174		3647
3175	cf::sync_job {	3648	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
3177	cf::emergency_save;	3650	cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
3179		3652
3180	warn "syncing database to disk";	3653	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
3182		3655
3183	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
3184		3657
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
3196	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();
3204
3205	warn "removing commands";
3206	%COMMAND = ();
3207
3208	warn "removing ext/exti commands";
3209	%EXTCMD = ();
3210	%EXTICMD = ();
3211
3212	warn "unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";
3215
3216	if (my $cb = $pkg->can ("unload")) {
3217	eval {
3218	$cb->($pkg);
3219	1
3220	} or warn "$pkg unloaded, but with errors: $@";
3221	}	3661	}
3222		3662
3223	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
3224	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
3225	}	3665	%EXT_CORO = ();
3226		3666
3227	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
3228	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
3231	warn "... unloading $k";	3676	warn "... unloading $pkg";
3232	delete $INC{$k};
3233		3677
3234	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;
3236
3237	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
3238	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
3239	}	3687	}
3240		3688
3241	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
3242	}	3704	}
3243		3705
3244	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3709
3248	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
3251		3713
3252	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
3253	# and global variables created in xs	3715	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
3255		3717
3256	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
3257		3719
3258	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
3259	require cf;	3721	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3261		3723
3262	warn "loading config and database again";	3724	warn "loading config and database again";
3263	cf::reload_config;	3725	cf::reload_config;
3264		3726
3265	warn "loading extensions";	3727	warn "loading extensions";
3266	cf::load_extensions;	3728	cf::load_extensions;
3267		3729
3268	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3271	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
3274		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
3275	warn "leaving sync_job";	3740	warn "leaving sync_job";
3276		3741
3277	1	3742	1
3278	} or do {	3743	} or do {
3279	warn $@;	3744	warn $@;
3280	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
3281	exit 1;
3282	};	3746	};
3283		3747
3284	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
3285	};	3751	};
3286		3752
3287	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
3288		3754
3289	sub reload_perl() {	3755	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
3292		3758
3293	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3294	reentrant => 0,
3295	after => 0,
3296	data => WF_AUTOCANCEL,
3297	cb => sub {
3298	do_reload_perl;	3760	do_reload_perl;
3299	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
3300	},
3301	);	3762	};
3302	}	3763	}
3303		3764
3304	register_command "reload" => sub {	3765	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3306		3767
3307	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	3772	reload_perl;
		3773	};
3310	}	3774	}
3311	};	3775	};
3312		3776
3313	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3314		3778
…		…
3316		3780
3317	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3319		3783
3320	sub wait_for_tick {	3784	sub wait_for_tick {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3323		3786
3324	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	3789	$signal->wait;
3327	}	3790	}
3328		3791
3329	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3332		3794
3333	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	3797	$signal->wait;
3336	}	3798	}
3337		3799
3338	my $min = 1e6;#d#	3800	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3350	return;	3804	return;
3351	}	3805	}
3352		3806
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3356		3808
3357	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3359	my $t = Event::time;	3811	Coro::async_pool {
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3361	or die;	3813	write_runtime_sync
3362		3814	or warn "ERROR: unable to write runtime file: $!";
3363	$map->width (50);
3364	$map->height (50);
3365	$map->alloc;
3366	$map->_load_objects ("/tmp/x.map", 1);
3367	my $t = Event::time - $t;
3368
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	3815	};
		3816	}
3379		3817
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	3819	$sig->send;
3396	}	3820	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	3822	$sig->send;
3399	}	3823	}
3400		3824
3401	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		3827
3412	_post_tick;	3828	if (0) {
3413		3829	if ($NEXT_TICK) {
3414		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3415	},	3834	}
3416	);	3835	}
3417		3836
3418	{	3837	{
3419	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	3839
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3429		3841	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		3843
3445	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		3851
3448	cf::sync_job {	3852	cf::sync_job {
3449	eval {	3853	eval {
3450	BDB::db_env_open	3854	BDB::db_env_open
3451	$DB_ENV,	3855	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	3859	0666;
3456		3860
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	3862	};
3462		3863
3463	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	3865	};
3465	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3466	}	3877	}
3467		3878
3468	{	3879	{
		3880	# configure IO::AIO
		3881
3469	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	3885	}
3482		3886
3483	my $_log_backtrace;	3887	my $_log_backtrace;
3484		3888
3485	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3488	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3489		3893
3490	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3492	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3493	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3494	my @bt = fork_call {	3901	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3506	}	3913	}
3507		3914
3508	@funcs	3915	@funcs
3509	};	3916	};
3510		3917
3511	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	3921	--$_log_backtrace;
3514	};	3922	};
3515	} else {	3923	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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