ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 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	}
…		…
1037	}	1194	}
1038	} else {	1195	} else {
1039	aio_unlink $filename;	1196	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1041	}	1198	}
1042	}	1199	};
1043	}	1200	}
1044		1201
1045	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1047		1204
…		…
1059	or return;	1216	or return;
1060		1217
1061	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1220	or return;
		1221
1064	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1065	}	1224	}
1066		1225
		1226	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1069	return ($data, $av);	1230	($data, $av)
1070	}	1231	}
1071		1232
1072	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1073		1234
1074	=over 4	1235	=over 4
…		…
1197		1358
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1361
1201	$ext{source} =	1362	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1204	. $source	1365	. $source
1205	. "\n};\n1";	1366	. "\n};\n1";
1206		1367
1207	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1225		1386
1226	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1388	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1390	}
1231		1391
1232	warn $msg;	1392	warn $msg;
1233	}	1393	}
1234		1394
…		…
1248		1408
1249	=back	1409	=back
1250		1410
1251	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1252		1412
1253	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1254		1414
1255	=cut	1415	=cut
1256		1416
1257	package cf::player;	1417	package cf::player;
1258		1418
1259	use Coro::AIO;	1419	use Coro::AIO;
1260		1420
1261	=head3 cf::player	1421	=head3 cf::player
1262		1422
1263	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1264		1438
1265	=item cf::player::find $login	1439	=item cf::player::find $login
1266		1440
1267	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1268		1442
…		…
1287		1461
1288	sub exists($) {	1462	sub exists($) {
1289	my ($login) = @_;	1463	my ($login) = @_;
1290		1464
1291	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1293	}	1467	}
1294		1468
1295	sub find($) {	1469	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1471	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1482
1309	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1312	}	1492	}
1313	}	1493	}
1314	}	1494	}
1315		1495
…		…
1323		1503
1324	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1325		1505
1326	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
		1508
		1509	cf::get_slot 0.01;
1328		1510
1329	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1512	cf::cede_to_tick;
1331	}	1513	}
1332		1514
…		…
1364	my ($pl) = @_;	1546	my ($pl) = @_;
1365		1547
1366	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1367		1549
1368	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1552
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1375		1559
1376	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1597	or return [];
1414		1598
1415	my @logins;	1599	my @logins;
1416		1600
1417	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1421		1611
1422	utf8::decode $login;	1612	utf8::decode $login;
1423	push @logins, $login;	1613	push @logins, $login;
1424	}	1614	}
1425		1615
…		…
1452	}	1642	}
1453		1643
1454	\@paths	1644	\@paths
1455	}	1645	}
1456		1646
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1648
1459	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1650
1507	=item $player->ext_reply ($msgid, @msg)	1651	=item $player->ext_reply ($msgid, @msg)
1508		1652
1509	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1510		1654
…		…
1577	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1579		1723
1580	sub generate_random_map {	1724	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1582	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1730	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1855
1709	# the temporary/swap location	1856	# the temporary/swap location
1710	sub save_path {	1857	sub save_path {
1711	my ($self) = @_;	1858	my ($self) = @_;
1712		1859
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1715	}	1862	}
1716		1863
1717	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1718	sub uniq_path {	1865	sub uniq_path {
1719	my ($self) = @_;	1866	my ($self) = @_;
1720		1867
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1723	}	1870	}
1724		1871
1725	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1726	# all maps in C++...	1873	# all maps in C++...
…		…
1749		1896
1750	sub load_header_from($) {	1897	sub load_header_from($) {
1751	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1752		1899
1753	utf8::encode $path;	1900	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1759		1909
1760	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1761		1911
1762	1	1912	1
1763	}	1913	}
…		…
1817	sub find {	1967	sub find {
1818	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1819		1969
1820	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1821		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1823		1974
1824	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1826	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1827	or return;	1980	or return;
1828		1981
1829	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1830		1983
…		…
1832	or return;	1985	or return;
1833		1986
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1837	$map->reset;	1992	$map->reset;
1838	undef $guard;
1839	return find $path;	1993	return find $path;
1840	}	1994	}
1841		1995
1842	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1843	}	1997	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1853		2007
1854	my $path = $self->{path};	2008	my $path = $self->{path};
1855		2009
1856	{	2010	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2012
		2013	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2015
1862	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1863		2017
1864	$self->alloc;	2018	$self->alloc;
1865		2019
1866	$self->pre_load;	2020	$self->pre_load;
1867	cf::cede_to_tick;	2021	cf::cede_to_tick;
1868		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1870	or return;	2026	or return;
1871		2027
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1873	if delete $self->{load_original};	2029	if delete $self->{load_original};
1874		2030
1875	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2032	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2035	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1880	}	2039	}
1881	}	2040	}
		2041
		2042	$f->resolve_delayed_derefs;
1882		2043
1883	cf::cede_to_tick;	2044	cf::cede_to_tick;
1884	# now do the right thing for maps	2045	# now do the right thing for maps
1885	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2059	}
1899		2060
1900	$self->{last_save} = $cf::RUNTIME;	2061	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2062	$self->last_access ($cf::RUNTIME);
1902		2063
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2065	}
1905		2066
1906	$self->post_load;	2067	$self->post_load;
1907	}	2068	}
1908		2069
…		…
1966	my ($path, $origin, $load) = @_;	2127	my ($path, $origin, $load) = @_;
1967		2128
1968	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1969		2130
1970	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2133	}
1973		2134
1974	$MAP_PREFETCH{$path} |= $load;	2135	$MAP_PREFETCH{$path} |= $load;
1975		2136
1976	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1977	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2142	if (my $map = find $k) {
1980	$map->load if $v;	2143	$map->load if $v;
1981	}	2144	}
…		…
2007	return if $self->{deny_save};	2170	return if $self->{deny_save};
2008		2171
2009	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
2010		2173
2011	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
2013	};	2177	};
		2178
		2179	cf::get_slot 0.02;
2014		2180
2015	if ($uniq) {	2181	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2184	} else {
…		…
2027	$self->save;	2193	$self->save;
2028		2194
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2196
2031	return if $self->players;	2197	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2199	return if $self->{deny_save};
2034		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2205	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2206	}
2038		2207
2039	sub reset_at {	2208	sub reset_at {
2040	my ($self) = @_;	2209	my ($self) = @_;
2041		2210
…		…
2073	if $uniq;	2242	if $uniq;
2074	}	2243	}
2075		2244
2076	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2077		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2249	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2250
2082	$self->unlink_save;	2251	$self->unlink_save;
2083	$self->destroy;	2252	$self->destroy;
2084	}	2253	}
2085		2254
…		…
2152		2321
2153	sub unique_maps() {	2322	sub unique_maps() {
2154	[	2323	[
2155	map {	2324	map {
2156	utf8::decode $_;	2325	utf8::decode $_;
2157	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2158	? normalise $_	2329	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2331	]
2162	}	2332	}
2163		2333
2164	package cf;
2165
2166	=back	2334	=back
2167		2335
2168	=head3 cf::object	2336	=head3 cf::object
2169		2337
2170	=cut	2338	=cut
…		…
2173		2341
2174	=over 4	2342	=over 4
2175		2343
2176	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2177		2345
2178	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
2179		2348
2180	=cut	2349	=cut
2181		2350
2182	sub inv_recursive_;	2351	sub inv_recursive_;
2183	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2186		2355
2187	sub inv_recursive {	2356	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2189	}	2358	}
2190		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
2191	package cf;	2388	package cf;
2192		2389
2193	=back	2390	=back
2194		2391
2195	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2201	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
2203	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2204		2401
2205	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
2206		2417
2207	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2419	# with dialog boxes.
2209	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
2210	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224		2435
2225	} else {	2436	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2439	}
2229	}	2440	}
2230	}	2441	}
2231		2442
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2468
2258	=item $player_object->enter_link	2469	=item $player_object->enter_link
2259		2470
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2472
2262	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
2264		2477
2265	Will never block.	2478	Will never block.
2266		2479
2267	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2268		2481
…		…
2326		2539
2327	$map->load;	2540	$map->load;
2328	$map->load_neighbours;	2541	$map->load_neighbours;
2329		2542
2330	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2331	$self->activate_recursive;	2545	$self->activate_recursive;
2332		2546
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2335	}	2549	}
…		…
2340	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2556	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2557	be called at the end of this process.
2344		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
		2561
2345	=cut	2562	=cut
2346		2563
2347	our $GOTOGEN;	2564	our $GOTOGEN;
2348		2565
2349	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
…		…
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2571
2355	$self->enter_link;	2572	$self->enter_link;
2356		2573
2357	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
2358	my $map = eval {	2596	my $map = eval {
2359	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2360		2598
2361	if ($map) {	2599	if ($map) {
2362	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2364	} else {	2602	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2604	}
2367		2605
2368	$map	2606	$map
2369	};	2607	};
2370		2608
…		…
2406	}	2644	}
2407		2645
2408	sub prepare_random_map {	2646	sub prepare_random_map {
2409	my ($exit) = @_;	2647	my ($exit) = @_;
2410		2648
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2651	# that depends on the exit object
2416		2652
2417	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2655	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2424	}	2662	}
2425		2663
2426	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2427		2665
2428	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2431		2669
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2672	undef $fh;
2435	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2436		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2439	}	2681	}
2440	}	2682	}
2441		2683
2442	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2444		2686
2445	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2446		2688
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2689	$self->enter_link;
2459		2690
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2691	(async {
2465	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2466	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2467	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2468		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2469	1;	2715	1
2470	}) {	2716	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2472	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2475		2721
2476	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2506		2752
2507	=cut	2753	=cut
2508		2754
		2755	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	2756	our %CHANNEL = (
2510	"c/identify" => {	2757	"c/identify" => {
2511	id => "identify",	2758	id => "infobox",
2512	title => "Identify",	2759	title => "Identify",
2513	reply => undef,	2760	reply => undef,
2514	tooltip => "Items recently identified",	2761	tooltip => "Items recently identified",
2515	},	2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
2516	);	2817	);
2517		2818
2518	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2520		2821
2521	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
2522		2824
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		2826
2525	# check predefined channels, for the benefit of C	2827	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
2527		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
2528	if (ref $channel) {	2836	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	2837	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	2838	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	2839	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
2533	}	2842	}
2534		2843
2535	$channel = $channel->{id};	2844	$channel = $channel->{id};
2536	}	2845	}
2537		2846
…		…
2540	if ($self->can_msg) {	2849	if ($self->can_msg) {
2541	# default colour, mask it out	2850	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	2852	if $color & cf::NDI_DEF;
2544		2853
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
2547	} else {	2870	} else {
2548	if ($color >= 0) {	2871	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones	2872	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {	2873	for ($msg) {
2551	1 while	2874	1 while
…		…
2749	=pod	3072	=pod
2750		3073
2751	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2752		3075
2753	cf::object	3076	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
2756		3079
2757	cf::object::player	3080	cf::object::player
2758	player	3081	player
2759		3082
2760	cf::player	3083	cf::player
…		…
2765		3088
2766	=cut	3089	=cut
2767		3090
2768	for (	3091	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3093	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3094	decrease split destroy change_exp)],
2772	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2774	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2775	) {	3098	) {
2776	no strict 'refs';	3099	no strict 'refs';
…		…
2881	{	3204	{
2882	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2883		3206
2884	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2886	cf::face::set_visibility $idx, $info->{visibility};	3210	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2890		3214
2891	cf::cede_to_tick;	3215	cf::cede_to_tick;
2892	}	3216	}
2893		3217
2894	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2896	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2897	or next;	3222	or next;
		3223
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3227	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2920	{	3246	{
2921	# TODO: for gcfclient pleasure, we should give resources	3247	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.	3248	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3249	my $res = $facedata->{resource};
2924		3250
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;	3254	my $data;
2930		3255
2931	if ($info->{type} & 1) {	3256	if ($info->{type} & 1) {
2932	# prepend meta info	3257	# prepend meta info
2933		3258
2934	my $meta = $enc->encode ({	3259	my $meta = $enc->encode ({
2935	name => $name,	3260	name => $name,
2936	%{ $info->{meta} || {} },	3261	%{ $info->{meta} || {} },
2937	});	3262	});
2938		3263
2939	$data = pack "(w/a*)*", $meta, $info->{data};	3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
2940	} else {	3271	} else {
2941	$data = $info->{data};	3272	$RESOURCE{$name} = $info;
2942	}	3273	}
2943		3274
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3275	cf::cede_to_tick;
2948	}	3276	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3280
2969	1	3281	1
2970	}	3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
2971		3303
2972	register_exticmd fx_want => sub {	3304	register_exticmd fx_want => sub {
2973	my ($ns, $want) = @_;	3305	my ($ns, $want) = @_;
2974		3306
2975	while (my ($k, $v) = each %$want) {	3307	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3308	$ns->fx_want ($k, $v);
2977	}	3309	}
2978	};	3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
2979		3321
2980	sub reload_regions {	3322	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3323	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3324	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3325	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3339	}
2998		3340
2999	sub reload_archetypes {	3341	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3344	}
3008		3345
3009	sub reload_treasures {	3346	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
3012	}	3349	}
3013		3350
3014	sub reload_resources {	3351	sub reload_resources {
3015	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
3016		3353
		3354	reload_facedata;
		3355	reload_archetypes;
3017	reload_regions;	3356	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3357	reload_treasures;
3022		3358
3023	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
3024	}
3025
3026	sub init {
3027	reload_resources;
3028	}	3360	}
3029		3361
3030	sub reload_config {	3362	sub reload_config {
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
3032	or return;	3364	or return;
3033		3365
3034	local $/;	3366	local $/;
3035	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
3036		3368
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3038		3370
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3046	};	3378	};
3047	warn $@ if $@;	3379	warn $@ if $@;
3048	}	3380	}
3049	}	3381	}
3050		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
3051	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
3052	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3421	(async {
3056	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
3058	};	3425	};
3059		3426
		3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
3060	reload_config;	3431	reload_config;
3061	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
3062	load_extensions;	3445	load_extensions;
3063		3446
3064	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
3065	Event::loop;	3455	EV::loop;
3066	}	3456	}
3067		3457
3068	#############################################################################	3458	#############################################################################
3069	# initialisation and cleanup	3459	# initialisation and cleanup
3070		3460
3071	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
3072	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
3081	},
3082	);	3467	};
3083	}	3468	}
3084	}	3469	}
3085		3470
3086	sub write_runtime {	3471	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";
3088
3089	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
3091		3474
3092	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3476
3094	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
3095		3478
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3097	or return;	3480	or return;
3098		3481
3099	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
3112		3495
3113	close $fh	3496	close $fh
3114	or return;	3497	or return;
3115		3498
3116	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3500	and return;
3118		3501
3119	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
3120		3503
3121	1	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
3122	}	3555	}
3123		3556
3124	sub emergency_save() {	3557	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
3126		3559
…		…
3132	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
3134	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3571	$pl->save;
3138	}	3572	}
3139	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
3140		3574
3141	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
3147	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
3148		3582
3149	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
3152	};	3590	};
3153		3591
3154	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
3155	}	3593	}
3156		3594
3157	sub post_cleanup {	3595	sub post_cleanup {
3158	my ($make_core) = @_;	3596	my ($make_core) = @_;
3159		3597
3160	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3162	}	3629	}
3163		3630
3164	sub do_reload_perl() {	3631	sub do_reload_perl() {
3165	# can/must only be called in main	3632	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3167	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3168	return;	3635	return;
3169	}	3636	}
3170		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
3171	warn "reloading...";	3641	warn "reloading...";
3172		3642
3173	warn "entering sync_job";	3643	warn "entering sync_job";
3174		3644
3175	cf::sync_job {	3645	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
3177	cf::emergency_save;	3647	cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3179		3649
3180	warn "syncing database to disk";	3650	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
3182		3652
3183	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
3184		3654
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
3196	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();
3204
3205	warn "removing commands";
3206	%COMMAND = ();
3207
3208	warn "removing ext/exti commands";
3209	%EXTCMD = ();
3210	%EXTICMD = ();
3211
3212	warn "unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";
3215
3216	if (my $cb = $pkg->can ("unload")) {
3217	eval {
3218	$cb->($pkg);
3219	1
3220	} or warn "$pkg unloaded, but with errors: $@";
3221	}	3658	}
3222		3659
3223	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
3224	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
3225	}	3662	%EXT_CORO = ();
3226		3663
3227	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
3228	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
3231	warn "... unloading $k";	3673	warn "... unloading $pkg";
3232	delete $INC{$k};
3233		3674
3234	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;
3236
3237	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3238	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3239	}	3684	}
3240		3685
3241	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
3242	}	3701	}
3243		3702
3244	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3706
3248	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3251		3710
3252	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3253	# and global variables created in xs	3712	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3255		3714
3256	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3257		3716
3258	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3259	require cf;	3718	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3261		3720
3262	warn "loading config and database again";	3721	warn "loading config and database again";
3263	cf::reload_config;	3722	cf::reload_config;
3264		3723
3265	warn "loading extensions";	3724	warn "loading extensions";
3266	cf::load_extensions;	3725	cf::load_extensions;
3267		3726
3268	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3271	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3274		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3275	warn "leaving sync_job";	3737	warn "leaving sync_job";
3276		3738
3277	1	3739	1
3278	} or do {	3740	} or do {
3279	warn $@;	3741	warn $@;
3280	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3281	exit 1;
3282	};	3743	};
3283		3744
3284	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3285	};	3748	};
3286		3749
3287	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3288		3751
3289	sub reload_perl() {	3752	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3292		3755
3293	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3294	reentrant => 0,
3295	after => 0,
3296	data => WF_AUTOCANCEL,
3297	cb => sub {
3298	do_reload_perl;	3757	do_reload_perl;
3299	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3300	},
3301	);	3759	};
3302	}	3760	}
3303		3761
3304	register_command "reload" => sub {	3762	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3306		3764
3307	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	3769	reload_perl;
		3770	};
3310	}	3771	}
3311	};	3772	};
3312		3773
3313	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3314		3775
…		…
3316		3777
3317	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3319		3780
3320	sub wait_for_tick {	3781	sub wait_for_tick {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3323		3783
3324	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	3786	$signal->wait;
3327	}	3787	}
3328		3788
3329	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3332		3791
3333	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	3794	$signal->wait;
3336	}	3795	}
3337		3796
3338	my $min = 1e6;#d#	3797	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3350	return;	3801	return;
3351	}	3802	}
3352		3803
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3356		3805
3357	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3359	my $t = Event::time;	3808	Coro::async_pool {
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3361	or die;	3810	write_runtime_sync
3362		3811	or warn "ERROR: unable to write runtime file: $!";
3363	$map->width (50);
3364	$map->height (50);
3365	$map->alloc;
3366	$map->_load_objects ("/tmp/x.map", 1);
3367	my $t = Event::time - $t;
3368
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	3812	};
		3813	}
3379		3814
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	3816	$sig->send;
3396	}	3817	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	3819	$sig->send;
3399	}	3820	}
3400		3821
3401	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		3824
3412	_post_tick;	3825	if (0) {
3413		3826	if ($NEXT_TICK) {
3414		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3415	},	3831	}
3416	);	3832	}
3417		3833
3418	{	3834	{
3419	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	3836
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3429		3838	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		3840
3445	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		3848
3448	cf::sync_job {	3849	cf::sync_job {
3449	eval {	3850	eval {
3450	BDB::db_env_open	3851	BDB::db_env_open
3451	$DB_ENV,	3852	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	3856	0666;
3456		3857
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	3859	};
3462		3860
3463	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	3862	};
3465	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
3466	}	3874	}
3467		3875
3468	{	3876	{
		3877	# configure IO::AIO
		3878
3469	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	3882	}
3482		3883
3483	my $_log_backtrace;	3884	my $_log_backtrace;
3484		3885
3485	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3488	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3489		3890
3490	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3492	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3493	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3494	my @bt = fork_call {	3898	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3506	}	3910	}
3507		3911
3508	@funcs	3912	@funcs
3509	};	3913	};
3510		3914
3511	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	3918	--$_log_backtrace;
3514	};	3919	};
3515	} else {	3920	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines