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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1653
1508	=item $player->ext_reply ($msgid, @msg)	1654	=item $player->ext_reply ($msgid, @msg)
1509		1655
1510	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1511		1657
…		…
1578	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1580		1726
1581	sub generate_random_map {	1727	sub generate_random_map {
1582	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
1583	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1733	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1858
1710	# the temporary/swap location	1859	# the temporary/swap location
1711	sub save_path {	1860	sub save_path {
1712	my ($self) = @_;	1861	my ($self) = @_;
1713		1862
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1716	}	1865	}
1717		1866
1718	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1719	sub uniq_path {	1868	sub uniq_path {
1720	my ($self) = @_;	1869	my ($self) = @_;
1721		1870
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1724	}	1873	}
1725		1874
1726	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1727	# all maps in C++...	1876	# all maps in C++...
…		…
1750		1899
1751	sub load_header_from($) {	1900	sub load_header_from($) {
1752	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1753		1902
1754	utf8::encode $path;	1903	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	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;
1760		1912
1761	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1762		1914
1763	1	1915	1
1764	}	1916	}
…		…
1818	sub find {	1970	sub find {
1819	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1820		1972
1821	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1822		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1824		1977
1825	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1826	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1827	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1828	or return;	1983	or return;
1829		1984
1830	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1831		1986
…		…
1833	or return;	1988	or return;
1834		1989
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1838	$map->reset;	1995	$map->reset;
1839	undef $guard;
1840	return find $path;	1996	return find $path;
1841	}	1997	}
1842		1998
1843	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1844	}	2000	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1854		2010
1855	my $path = $self->{path};	2011	my $path = $self->{path};
1856		2012
1857	{	2013	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2015
		2016	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2018
1863	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1864		2020
1865	$self->alloc;	2021	$self->alloc;
1866		2022
1867	$self->pre_load;	2023	$self->pre_load;
1868	cf::cede_to_tick;	2024	cf::cede_to_tick;
1869		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1871	or return;	2029	or return;
1872		2030
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1874	if delete $self->{load_original};	2032	if delete $self->{load_original};
1875		2033
1876	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2035	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2038	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1881	}	2042	}
1882	}	2043	}
		2044
		2045	$f->resolve_delayed_derefs;
1883		2046
1884	cf::cede_to_tick;	2047	cf::cede_to_tick;
1885	# now do the right thing for maps	2048	# now do the right thing for maps
1886	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2062	}
1900		2063
1901	$self->{last_save} = $cf::RUNTIME;	2064	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2065	$self->last_access ($cf::RUNTIME);
1903		2066
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2068	}
1906		2069
1907	$self->post_load;	2070	$self->post_load;
1908	}	2071	}
1909		2072
…		…
1967	my ($path, $origin, $load) = @_;	2130	my ($path, $origin, $load) = @_;
1968		2131
1969	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1970		2133
1971	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2136	}
1974		2137
1975	$MAP_PREFETCH{$path} |= $load;	2138	$MAP_PREFETCH{$path} |= $load;
1976		2139
1977	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1978	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2145	if (my $map = find $k) {
1981	$map->load if $v;	2146	$map->load if $v;
1982	}	2147	}
…		…
2008	return if $self->{deny_save};	2173	return if $self->{deny_save};
2009		2174
2010	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
2011		2176
2012	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
2014	};	2180	};
		2181
		2182	cf::get_slot 0.02;
2015		2183
2016	if ($uniq) {	2184	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2187	} else {
…		…
2028	$self->save;	2196	$self->save;
2029		2197
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2199
2032	return if $self->players;	2200	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2202	return if $self->{deny_save};
2035		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2208	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2209	}
2039		2210
2040	sub reset_at {	2211	sub reset_at {
2041	my ($self) = @_;	2212	my ($self) = @_;
2042		2213
…		…
2074	if $uniq;	2245	if $uniq;
2075	}	2246	}
2076		2247
2077	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2078		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2252	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2253
2083	$self->unlink_save;	2254	$self->unlink_save;
2084	$self->destroy;	2255	$self->destroy;
2085	}	2256	}
2086		2257
…		…
2153		2324
2154	sub unique_maps() {	2325	sub unique_maps() {
2155	[	2326	[
2156	map {	2327	map {
2157	utf8::decode $_;	2328	utf8::decode $_;
2158	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
2159	? normalise $_	2332	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2334	]
2163	}	2335	}
2164		2336
2165	package cf;
2166
2167	=back	2337	=back
2168		2338
2169	=head3 cf::object	2339	=head3 cf::object
2170		2340
2171	=cut	2341	=cut
…		…
2174		2344
2175	=over 4	2345	=over 4
2176		2346
2177	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
2178		2348
2179	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.
2180		2351
2181	=cut	2352	=cut
2182		2353
2183	sub inv_recursive_;	2354	sub inv_recursive_;
2184	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
2187		2358
2188	sub inv_recursive {	2359	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
2190	}	2361	}
2191		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
2192	package cf;	2391	package cf;
2193		2392
2194	=back	2393	=back
2195		2394
2196	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
2202	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>
2203	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
2204	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
2205		2404
2206	=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	};
2207		2420
2208	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2422	# with dialog boxes.
2210	#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
2211	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2436	my $dialog = $pl->{npc_dialog};
2224	$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));
2225		2438
2226	} else {	2439	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2442	}
2230	}	2443	}
2231	}	2444	}
2232		2445
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2471
2259	=item $player_object->enter_link	2472	=item $player_object->enter_link
2260		2473
2261	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}>).
2262		2475
2263	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.
2264	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.
2265		2480
2266	Will never block.	2481	Will never block.
2267		2482
2268	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
2269		2484
…		…
2327		2542
2328	$map->load;	2543	$map->load;
2329	$map->load_neighbours;	2544	$map->load_neighbours;
2330		2545
2331	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2332	$self->activate_recursive;	2548	$self->activate_recursive;
2333		2549
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2336	}	2552	}
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2342	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
2343	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
2344	be called at the end of this process.	2560	be called at the end of this process.
2345		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
2346	=cut	2565	=cut
2347		2566
2348	our $GOTOGEN;	2567	our $GOTOGEN;
2349		2568
2350	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2574
2356	$self->enter_link;	2575	$self->enter_link;
2357		2576
2358	(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
2359	my $map = eval {	2599	my $map = eval {
2360	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2361		2601
2362	if ($map) {	2602	if ($map) {
2363	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2365	} else {	2605	} else {
2366	$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);
2367	}	2607	}
2368		2608
2369	$map	2609	$map
2370	};	2610	};
2371		2611
…		…
2407	}	2647	}
2408		2648
2409	sub prepare_random_map {	2649	sub prepare_random_map {
2410	my ($exit) = @_;	2650	my ($exit) = @_;
2411		2651
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2654	# that depends on the exit object
2417		2655
2418	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2658	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2425	}	2665	}
2426		2666
2427	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2428		2668
2429	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2432		2672
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2675	undef $fh;
2436	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2437		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2440	}	2684	}
2441	}	2685	}
2442		2686
2443	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2445		2689
2446	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2447		2691
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2692	$self->enter_link;
2460		2693
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2694	(async {
2466	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2467	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
2468	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2469		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
2470	1;	2718	1
2471	}) {	2719	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "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. "
2474	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2724
2477	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2505	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
2506	the message unless the client supports the msg packet.	2754	the message unless the client supports the msg packet.
2507		2755
2508	=cut	2756	=cut
2509		2757
		2758	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2759	our %CHANNEL = (
2511	"c/identify" => {	2760	"c/identify" => {
2512	id => "identify",	2761	id => "infobox",
2513	title => "Identify",	2762	title => "Identify",
2514	reply => undef,	2763	reply => undef,
2515	tooltip => "Items recently identified",	2764	tooltip => "Items recently identified",
2516	},	2765	},
2517	"c/examine" => {	2766	"c/examine" => {
2518	id => "examine",	2767	id => "infobox",
2519	title => "Examine",	2768	title => "Examine",
2520	reply => undef,	2769	reply => undef,
2521	tooltip => "Signs and other items you examined",	2770	tooltip => "Signs and other items you examined",
2522	},	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	},
2523	);	2820	);
2524		2821
2525	sub cf::client::send_msg {	2822	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2823	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2824
2528	$msg = $self->pl->expand_cfpod ($msg);	2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
2529		2827
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2829
2532	# check predefined channels, for the benefit of C	2830	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
2534		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
2535	if (ref $channel) {	2839	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2840	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2841	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2842	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	2843	$self->ext_msg (channel_info => $channel)
2540	if $self->can_msg;	2844	if $self->can_msg;
…		…
2548	if ($self->can_msg) {	2852	if ($self->can_msg) {
2549	# default colour, mask it out	2853	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	2855	if $color & cf::NDI_DEF;
2552		2856
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
2554	[$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);
2555	} else {	2873	} else {
2556	if ($color >= 0) {	2874	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones	2875	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {	2876	for ($msg) {
2559	1 while	2877	1 while
…		…
2757	=pod	3075	=pod
2758		3076
2759	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2760		3078
2761	cf::object	3079	cf::object
2762	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
2763	insert remove name archname title slaying race decrease_ob_nr	3081	insert remove name archname title slaying race decrease split
2764		3082
2765	cf::object::player	3083	cf::object::player
2766	player	3084	player
2767		3085
2768	cf::player	3086	cf::player
…		…
2773		3091
2774	=cut	3092	=cut
2775		3093
2776	for (	3094	for (
2777	["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
2778	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3097	decrease split destroy change_exp)],
2780	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2782	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2783	) {	3101	) {
2784	no strict 'refs';	3102	no strict 'refs';
…		…
2889	{	3207	{
2890	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2891		3209
2892	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2894	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2896	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};
2897	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};
2898		3217
2899	cf::cede_to_tick;	3218	cf::cede_to_tick;
2900	}	3219	}
2901		3220
2902	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2904	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2905	or next;	3225	or next;
		3226
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3230	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2928	{	3249	{
2929	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
2932		3253
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;	3257	my $data;
2938		3258
2939	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
2940	# prepend meta info	3260	# prepend meta info
2941		3261
2942	my $meta = $enc->encode ({	3262	my $meta = $enc->encode ({
2943	name => $name,	3263	name => $name,
2944	%{ $info->{meta} || {} },	3264	%{ $info->{meta} || {} },
2945	});	3265	});
2946		3266
2947	$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};
2948	} else {	3274	} else {
2949	$data = $info->{data};	3275	$RESOURCE{$name} = $info;
2950	}	3276	}
2951		3277
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3278	cf::cede_to_tick;
2956	}	3279	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3283
2977	1	3284	1
2978	}	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	});
2979		3306
2980	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
2981	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
2982		3309
2983	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
2985	}	3312	}
2986	};	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	}
2987		3324
2988	sub reload_regions {	3325	sub reload_regions {
2989	# 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
2990	# for this (global event?)	3327	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3342	}
3006		3343
3007	sub reload_archetypes {	3344	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3347	}
3016		3348
3017	sub reload_treasures {	3349	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3020	}	3352	}
3021		3353
3022	sub reload_resources {	3354	sub reload_resources {
3023	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3024		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3025	reload_regions;	3359	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3360	reload_treasures;
3030		3361
3031	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3032	}
3033
3034	sub init {
3035	reload_resources;
3036	}	3363	}
3037		3364
3038	sub reload_config {	3365	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3040	or return;	3367	or return;
3041		3368
3042	local $/;	3369	local $/;
3043	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
3044		3371
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3046		3373
3047	$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};
3048	$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};
…		…
3054	};	3381	};
3055	warn $@ if $@;	3382	warn $@ if $@;
3056	}	3383	}
3057	}	3384	}
3058		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
3059	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
3060	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
3062	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#
3063	(async {	3424	(async {
3064	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
3066	};	3428	};
3067		3429
		3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
3068	reload_config;	3434	reload_config;
3069	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
3070	load_extensions;	3448	load_extensions;
3071		3449
3072	$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
3073	Event::loop;	3458	EV::loop;
3074	}	3459	}
3075		3460
3076	#############################################################################	3461	#############################################################################
3077	# initialisation and cleanup	3462	# initialisation and cleanup
3078		3463
3079	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
3080	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
3089	},
3090	);	3470	};
3091	}	3471	}
3092	}	3472	}
3093		3473
3094	sub write_runtime {	3474	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";
3096
3097	# first touch the runtime file to show we are still running:	3475	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3476	# the fsync below can take a very very long time.
3099		3477
3100	IO::AIO::aio_utime $runtime, undef, undef;	3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3479
3102	my $guard = cf::lock_acquire "write_runtime";	3480	my $guard = cf::lock_acquire "write_runtime";
3103		3481
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3105	or return;	3483	or return;
3106		3484
3107	my $value = $cf::RUNTIME + 90 + 10;	3485	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3486	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3487	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3497	aio_utime $fh, undef, undef;
3120		3498
3121	close $fh	3499	close $fh
3122	or return;	3500	or return;
3123		3501
3124	aio_rename "$runtime~", $runtime	3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3503	and return;
3126		3504
3127	warn "runtime file written.\n";	3505	warn "runtime file written.\n";
3128		3506
3129	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($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
3130	}	3558	}
3131		3559
3132	sub emergency_save() {	3560	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
3134		3562
…		…
3140	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
3142	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3574	$pl->save;
3146	}	3575	}
3147	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
3148		3577
3149	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
3155	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
3156		3585
3157	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
3160	};	3593	};
3161		3594
3162	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
3163	}	3596	}
3164		3597
3165	sub post_cleanup {	3598	sub post_cleanup {
3166	my ($make_core) = @_;	3599	my ($make_core) = @_;
3167		3600
3168	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
3170	}	3632	}
3171		3633
3172	sub do_reload_perl() {	3634	sub do_reload_perl() {
3173	# can/must only be called in main	3635	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
3175	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
3176	return;	3638	return;
3177	}	3639	}
3178		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
3179	warn "reloading...";	3644	warn "reloading...";
3180		3645
3181	warn "entering sync_job";	3646	warn "entering sync_job";
3182		3647
3183	cf::sync_job {	3648	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
3185	cf::emergency_save;	3650	cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
3187		3652
3188	warn "syncing database to disk";	3653	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
3190		3655
3191	# 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
3192		3657
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
3204	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();
3212
3213	warn "removing commands";
3214	%COMMAND = ();
3215
3216	warn "removing ext/exti commands";
3217	%EXTCMD = ();
3218	%EXTICMD = ();
3219
3220	warn "unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";
3223
3224	if (my $cb = $pkg->can ("unload")) {
3225	eval {
3226	$cb->($pkg);
3227	1
3228	} or warn "$pkg unloaded, but with errors: $@";
3229	}	3661	}
3230		3662
3231	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
3232	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
3233	}	3665	%EXT_CORO = ();
3234		3666
3235	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
3236	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
3239	warn "... unloading $k";	3676	warn "... unloading $pkg";
3240	delete $INC{$k};
3241		3677
3242	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;
3244
3245	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
3246	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
3247	}	3687	}
3248		3688
3249	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 $k;
3250	}	3704	}
3251		3705
3252	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
3254	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);
3255		3709
3256	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
3259		3713
3260	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
3261	# and global variables created in xs	3715	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
3263		3717
3264	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
3265		3719
3266	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
3267	require cf;	3721	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3269		3723
3270	warn "loading config and database again";	3724	warn "loading config and database again";
3271	cf::reload_config;	3725	cf::reload_config;
3272		3726
3273	warn "loading extensions";	3727	warn "loading extensions";
3274	cf::load_extensions;	3728	cf::load_extensions;
3275		3729
3276	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3279	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
3282		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
3283	warn "leaving sync_job";	3740	warn "leaving sync_job";
3284		3741
3285	1	3742	1
3286	} or do {	3743	} or do {
3287	warn $@;	3744	warn $@;
3288	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
3289	exit 1;
3290	};	3746	};
3291		3747
3292	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
3293	};	3751	};
3294		3752
3295	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
3296		3754
3297	sub reload_perl() {	3755	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
3300		3758
3301	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3302	reentrant => 0,
3303	after => 0,
3304	data => WF_AUTOCANCEL,
3305	cb => sub {
3306	do_reload_perl;	3760	do_reload_perl;
3307	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
3308	},
3309	);	3762	};
3310	}	3763	}
3311		3764
3312	register_command "reload" => sub {	3765	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3314		3767
3315	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	3772	reload_perl;
		3773	};
3318	}	3774	}
3319	};	3775	};
3320		3776
3321	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3322		3778
…		…
3324		3780
3325	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3327		3783
3328	sub wait_for_tick {	3784	sub wait_for_tick {
3329	return unless $TICK_WATCHER->is_active;
3330	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3331		3786
3332	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3333	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;	3789	$signal->wait;
3335	}	3790	}
3336		3791
3337	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3338	return unless $TICK_WATCHER->is_active;
3339	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3340		3794
3341	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	3797	$signal->wait;
3344	}	3798	}
3345		3799
3346	my $min = 1e6;#d#	3800	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3358	return;	3804	return;
3359	}	3805	}
3360		3806
3361	$NOW = $tick_start = Event::time;
3362
3363	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3364		3808
3365	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	3811	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3369	or die;	3813	write_runtime_sync
3370		3814	or warn "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	3815	};
		3816	}
3387		3817
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	3819	$sig->send;
3404	}	3820	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3406	$sig->send;	3822	$sig->send;
3407	}	3823	}
3408		3824
3409	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		3827
3420	_post_tick;	3828	if (0) {
3421		3829	if ($NEXT_TICK) {
3422		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3423	},	3834	}
3424	);	3835	}
3425		3836
3426	{	3837	{
3427	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	3839
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3437		3841	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		3843
3453	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3454	$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);
3455		3851
3456	cf::sync_job {	3852	cf::sync_job {
3457	eval {	3853	eval {
3458	BDB::db_env_open	3854	BDB::db_env_open
3459	$DB_ENV,	3855	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	3859	0666;
3464		3860
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	3862	};
3470		3863
3471	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	3865	};
3473	}	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	};
3474	}	3877	}
3475		3878
3476	{	3879	{
		3880	# configure IO::AIO
		3881
3477	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	3885	}
3490		3886
3491	my $_log_backtrace;	3887	my $_log_backtrace;
3492		3888
3493	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3496	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3497		3893
3498	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3500	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3501	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3502	my @bt = fork_call {	3901	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	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 |"
3506	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3514	}	3913	}
3515		3914
3516	@funcs	3915	@funcs
3517	};	3916	};
3518		3917
3519	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	3921	--$_log_backtrace;
3522	};	3922	};
3523	} else {	3923	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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