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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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 3.61 ();	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;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
101		134
102	binmode STDOUT;	135	binmode STDOUT;
103	binmode STDERR;	136	binmode STDERR;
104		137
105	# read virtual server time, if available	138	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
110	}	143	}
111		144
112	mkdir $_	145	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		191
159	The raw value load value from the last tick.	192	The raw value load value from the last tick.
160		193
161	=item %cf::CFG	194	=item %cf::CFG
162		195
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	197	from wherever your confdir points to.
165		198
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		200
168	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
…		…
186	$msg .= "\n"	219	$msg .= "\n"
187	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
188		221
189	$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;
190		223
191	utf8::encode $msg;
192	LOG llevError, $msg;	224	LOG llevError, $msg;
193	};	225	};
194	}	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#?
195		242
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	253	for my $pkg (qw(
207	cf::global cf::attachable	254	cf::global cf::attachable
208	cf::object cf::object::player	255	cf::object cf::object::player
209	cf::client cf::player	256	cf::client cf::player
210	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
211	cf::map cf::party cf::region	259	cf::party cf::region
212	)) {	260	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	262	}
216		263
217	$Event::DIED = sub {	264	$EV::DIED = sub {
218	warn "error in event callback: @_";	265	warn "error in event callback: @_";
219	};	266	};
220		267
221	#############################################################################	268	#############################################################################
222		269
…		…
245	$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;
246	$d	293	$d
247	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
248	}	295	}
249		296
250	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
251		298
252	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
253		300
254	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
255		302
256	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
257		304
258	=cut	305	=cut
259		306
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		308
262	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		325
265	=item cf::lock_wait $string	326	=item cf::lock_wait $string
266		327
267	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
268		329
…		…
271	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
274	returned.	335	returned.
275		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
276	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
278		342
279	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
280		344
281	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
282		346
283	=cut	347	=cut
284		348
285	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
286		351
287	sub lock_wait($) {	352	sub lock_wait($) {
288	my ($key) = @_;	353	my ($key) = @_;
289		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
290	# wait for lock, if any	360	# wait for lock, if any
291	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	364	Coro::schedule;
294	}	365	}
295	}	366	}
296		367
…		…
299		370
300	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
301	lock_wait $key;	372	lock_wait $key;
302		373
303	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
304		376
305	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
308	}	381	}
309	}	382	}
310		383
…		…
313		386
314	! ! $LOCK{$key}	387	! ! $LOCK{$key}
315	}	388	}
316		389
317	sub freeze_mainloop {	390	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
319		392
320	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	394	}
326		395
		396	=item cf::periodic $interval, $cb
		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
		409	}
		410
327	=item cf::get_slot $time[, $priority]	411	=item cf::get_slot $time[, $priority[, $name]]
328		412
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
330	This call blocks and returns only when you have at least C<$time> seconds	414	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	415	of cpu time till the next tick. The slot is only valid till the next cede.
332		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
333	Useful for short background jobs.	420	Useful for short background jobs.
334		421
335	=cut	422	=cut
336		423
337	our @SLOT_QUEUE;	424	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	425	our $SLOT_QUEUE;
339		426
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
342	my $signal = new Coro::Signal;	431	my $signal = new Coro::Signal;
343		432
344	while () {	433	while () {
345	next_job:	434	next_job:
346	my $avail = cf::till_tick;	435	my $avail = cf::till_tick;
…		…
354	}	443	}
355	}	444	}
356	}	445	}
357		446
358	if (@SLOT_QUEUE) {	447	if (@SLOT_QUEUE) {
359	# 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
360	push @cf::WAIT_FOR_TICK, $signal;	449	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	450	$signal->wait;
362	} else {	451	} else {
363	Coro::schedule;	452	Coro::schedule;
364	}	453	}
365	}	454	}
366	};	455	};
367		456
368	sub get_slot($;$) {	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
369	my ($time, $pri) = @_;	460	my ($time, $pri, $name) = @_;
370		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	467	$SLOT_QUEUE->ready;
374	$sig->wait;	468	$sig->wait;
375	}	469	}
376		470
…		…
384		478
385	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
386		480
387	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
388		482
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	486	acceptable.
393		487
394	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		494
401	sub sync_job(&) {	495	sub sync_job(&) {
402	my ($job) = @_;	496	my ($job) = @_;
403		497
404	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	499	my $time = EV::time;
406		500
407	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
409		503
410	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	505
412	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
413		507
414	my $busy = 1;	508	my $busy = 1;
415	my @res;	509	my @res;
416		510
417	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	513	@res = eval { $job->() };
419	warn $@ if $@;	514	warn $@ if $@;
420	undef $busy;	515	undef $busy;
421	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
422		517
423	while ($busy) {	518	while ($busy) {
424	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
425	}	523	}
		524	}
426		525
427	$time = Event::time - $time;	526	my $time = EV::time - $time;
428		527
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
433		529
434	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
435	} else {	531	} else {
436	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
437		533
…		…
462	=item fork_call { }, $args	558	=item fork_call { }, $args
463		559
464	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
465	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
466	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
467	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
468		564
469	=cut	565	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		566
480	sub fork_call(&@) {	567	sub fork_call(&@) {
481	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
482		569
483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
484	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		573
488	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	575	reset_signals;
502	local $SIG{__WARN__};	576	&$cb
503	local $SIG{__DIE__};	577	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		578
510	eval {	579	wantarray ? @res : $res[-1]
511	close $fh1;	580	}
512		581
513	my @res = eval { $cb->(@args) };	582	=item $coin = coin_from_name $name
514		583
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	584	=cut
516	close $fh2;
517	};
518		585
519	warn $@ if $@;	586	our %coin_alias = (
520	_exit 0;	587	"silver" => "silvercoin",
521	}	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
522	}	607	}
523		608
524	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
525		610
526	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
529		614
530	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
531	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).
532		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
533	=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	}
534		641
535	our $DB;	642	our $DB;
536		643
537	sub db_init {	644	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	645	cf::sync_job {
542	eval {	646	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	647	};
552	}	648	}
553		649
554	sub db_get($$) {	650	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
556		652
…		…
606	if (1) {	702	if (1) {
607	$md5 =	703	$md5 =
608	join "\x00",	704	join "\x00",
609	$processversion,	705	$processversion,
610	map {	706	map {
611	Coro::cede;	707	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	709	} 0.. $#$src;
614		710
615		711
616	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		750
655	#############################################################################	751	#############################################################################
656		752
657	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
658		754
659	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
660	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")
661	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
662		758
663	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>
664	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
665	Crossfire TRT).	761	Deliantra).
666		762
667	=over 4	763	=over 4
668		764
669	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
670		766
…		…
714	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
715		811
716	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
717	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
718		814
719	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
720	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.
721		817
722	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
723		819
724	=over 4	820	=over 4
…		…
952	}	1048	}
953		1049
954	0	1050	0
955	}	1051	}
956		1052
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1054
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
962		1058
…		…
968		1064
969	=cut	1065	=cut
970		1066
971	#############################################################################	1067	#############################################################################
972	# object support	1068	# object support
973	#
974		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#
975	sub _can_merge {	1103	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1104	my ($ob1, $ob2) = @_;
977		1105
978	local $Storable::canonical = 1;	1106	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1107
982	$fob1 eq $fob2	1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
983	}	1110	}
984		1111
985	sub reattach {	1112	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1114	my ($obj) = @_;
988		1115
		1116	# no longer needed after getting rid of delete_package?
989	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
990		1118
991	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
992		1120
993	@$registry = ();	1121	@$registry = ();
994		1122
…		…
1009	cf::attachable->attach (	1137	cf::attachable->attach (
1010	prio => -1000000,	1138	prio => -1000000,
1011	on_instantiate => sub {	1139	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
1013		1141
1014	$data = from_json $data;	1142	$data = decode_json $data;
1015		1143
1016	for (@$data) {	1144	for (@$data) {
1017	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
1018		1146
1019	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1163	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
1037		1165
1038	sync_job {	1166	sync_job {
1039	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
1042		1171
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
1047	close $fh;	1176	aio_close $fh;
1048		1177
1049	if (@$objs) {	1178	if (@$objs) {
1050	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) {
1051	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
1054	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
1055	close $fh;	1184	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1186	}
1058	} else {	1187	} else {
1059	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1060	}	1189	}
…		…
1065	}	1194	}
1066	} else {	1195	} else {
1067	aio_unlink $filename;	1196	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1069	}	1198	}
1070	}	1199	};
1071	}	1200	}
1072		1201
1073	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1075		1204
…		…
1087	or return;	1216	or return;
1088		1217
1089	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1220	or return;
		1221
1092	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1093	}	1224	}
1094		1225
		1226	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1097	return ($data, $av);	1230	($data, $av)
1098	}	1231	}
1099		1232
1100	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1101		1234
1102	=over 4	1235	=over 4
…		…
1175	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
1176		1309
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1311
1179	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
1185	} else {	1327	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1329	}
1188		1330
1189	cf::override;	1331	cf::override;
…		…
1216		1358
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1361
1220	$ext{source} =	1362	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1223	. $source	1365	. $source
1224	. "\n};\n1";	1366	. "\n};\n1";
1225		1367
1226	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1242	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1243	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1244		1386
1245	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1246	warn $msg;	1388	warn $msg;
1247	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1248	exit 1;
1249	}	1390	}
1250		1391
1251	warn $msg;	1392	warn $msg;
1252	}	1393	}
1253		1394
…		…
1267		1408
1268	=back	1409	=back
1269		1410
1270	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1271		1412
1272	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1273		1414
1274	=cut	1415	=cut
1275		1416
1276	package cf::player;	1417	package cf::player;
1277		1418
1278	use Coro::AIO;	1419	use Coro::AIO;
1279		1420
1280	=head3 cf::player	1421	=head3 cf::player
1281		1422
1282	=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	}
1283		1438
1284	=item cf::player::find $login	1439	=item cf::player::find $login
1285		1440
1286	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1287		1442
…		…
1306		1461
1307	sub exists($) {	1462	sub exists($) {
1308	my ($login) = @_;	1463	my ($login) = @_;
1309		1464
1310	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1312	}	1467	}
1313		1468
1314	sub find($) {	1469	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1471	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1482
1328	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1329	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;
1330	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1331	}	1492	}
1332	}	1493	}
1333	}	1494	}
1334		1495
…		…
1343	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1344		1505
1345	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1347		1508
		1509	cf::get_slot 0.01;
		1510
1348	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1349	Coro::cede;	1512	cf::cede_to_tick;
1350	}	1513	}
1351		1514
1352	sub new($) {	1515	sub new($) {
1353	my ($login) = @_;	1516	my ($login) = @_;
1354		1517
…		…
1360	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1361		1524
1362	$self	1525	$self
1363	}	1526	}
1364		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1365	=item $pl->quit_character	1538	=item $pl->quit_character
1366		1539
1367	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1368	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1369		1542
…		…
1373	my ($pl) = @_;	1546	my ($pl) = @_;
1374		1547
1375	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1376		1549
1377	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1378	$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
1379		1552
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1384		1559
1385	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1597	or return [];
1423		1598
1424	my @logins;	1599	my @logins;
1425		1600
1426	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") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1430		1611
1431	utf8::decode $login;	1612	utf8::decode $login;
1432	push @logins, $login;	1613	push @logins, $login;
1433	}	1614	}
1434		1615
…		…
1461	}	1642	}
1462		1643
1463	\@paths	1644	\@paths
1464	}	1645	}
1465		1646
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1648
1468	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1469		1650
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1517		1652
1518	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1519		1654
1520	=cut	1655	=cut
1521		1656
1522	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1524		1659
1525	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1661	}
1528		1662
1529	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1530		1664
1531	Sends an ext event to the client.	1665	Sends an ext event to the client.
1532		1666
1533	=cut	1667	=cut
1534		1668
1535	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1537		1671
1538	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1539	}	1673	}
1540		1674
1541	=head3 cf::region	1675	=head3 cf::region
1542		1676
1543	=over 4	1677	=over 4
…		…
1587	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1589		1723
1590	sub generate_random_map {	1724	sub generate_random_map {
1591	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
1592	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1730	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1718		1855
1719	# the temporary/swap location	1856	# the temporary/swap location
1720	sub save_path {	1857	sub save_path {
1721	my ($self) = @_;	1858	my ($self) = @_;
1722		1859
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1725	}	1862	}
1726		1863
1727	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1728	sub uniq_path {	1865	sub uniq_path {
1729	my ($self) = @_;	1866	my ($self) = @_;
1730		1867
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1733	}	1870	}
1734		1871
1735	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1736	# all maps in C++...	1873	# all maps in C++...
…		…
1759		1896
1760	sub load_header_from($) {	1897	sub load_header_from($) {
1761	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1762		1899
1763	utf8::encode $path;	1900	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	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;
1769		1909
1770	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1771		1911
1772	1	1912	1
1773	}	1913	}
…		…
1827	sub find {	1967	sub find {
1828	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1829		1969
1830	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1831		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1833		1974
1834	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1835	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1836	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1837	or return;	1980	or return;
1838		1981
1839	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1840		1983
…		…
1842	or return;	1985	or return;
1843		1986
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1847	$map->reset;	1992	$map->reset;
1848	undef $guard;
1849	return find $path;	1993	return find $path;
1850	}	1994	}
1851		1995
1852	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1853	}	1997	}
…		…
1862	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1863		2007
1864	my $path = $self->{path};	2008	my $path = $self->{path};
1865		2009
1866	{	2010	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1868		2012
		2013	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2015
1871	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1872		2017
1873	$self->alloc;	2018	$self->alloc;
1874		2019
1875	$self->pre_load;	2020	$self->pre_load;
1876	Coro::cede;	2021	cf::cede_to_tick;
1877		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1879	or return;	2026	or return;
1880		2027
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1882	if delete $self->{load_original};	2029	if delete $self->{load_original};
1883		2030
1884	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2032	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2035	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1889	}	2039	}
1890	}	2040	}
1891		2041
1892	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1893	# now do the right thing for maps	2045	# now do the right thing for maps
1894	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2048	unless $self->difficulty;
1897	Coro::cede;	2049	cf::cede_to_tick;
1898		2050
1899	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2052	$self->decay_objects;
1901	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1902	$self->update_buttons;	2054	$self->update_buttons;
1903	Coro::cede;	2055	cf::cede_to_tick;
1904	$self->set_darkness_map;	2056	$self->set_darkness_map;
1905	Coro::cede;	2057	cf::cede_to_tick;
1906	$self->activate;	2058	$self->activate;
1907	}	2059	}
1908		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2065	}
1911		2066
1912	$self->post_load;	2067	$self->post_load;
1913	}	2068	}
1914		2069
…		…
1923		2078
1924	$self	2079	$self
1925	}	2080	}
1926		2081
1927	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1928	sub load_diag {	2083	sub load_neighbours {
1929	my ($map) = @_;	2084	my ($map) = @_;
1930		2085
1931	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1932		2087
1933	for (0 .. 3) {	2088	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1935	or next;	2090	or next;
1936	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1937	or next;	2092	or next;
1938	$neigh->load;	2093	$neigh->load;
1939		2094
		2095	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2098	}
1943		2099
1944	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1946	or next;	2103	or next;
1947	$neigh->load;	2104	$neigh->load;
1948	}	2105	}
1949	}	2106	}
1950		2107
…		…
1955	}	2112	}
1956		2113
1957	sub do_load_sync {	2114	sub do_load_sync {
1958	my ($map) = @_;	2115	my ($map) = @_;
1959		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1960	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1961	}	2121	}
1962		2122
1963	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1965		2125
1966	sub find_async {	2126	sub find_async {
1967	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1968		2128
1969	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1970		2130
1971	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2133	}
1974		2134
1975	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		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	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2142	if (my $map = find $k) {
1980	$map->load;	2143	$map->load if $v;
1981	}	2144	}
1982		2145
1983	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1984	}	2147	}
1985	}	2148	}
1986	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1987	};	2150	};
1988	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2154	}
1992		2155
1993	sub save {	2156	sub save {
1994	my ($self) = @_;	2157	my ($self) = @_;
1995		2158
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2160
1998	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1999		2162
2000	return unless $self->dirty;	2163	return unless $self->dirty;
2001		2164
…		…
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 {
…		…
2024	my ($self) = @_;	2190	my ($self) = @_;
2025		2191
2026	# save first because save cedes	2192	# save first because save cedes
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
2086	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2087		2256
2088	sub nuke {	2257	sub nuke {
2089	my ($self) = @_;	2258	my ($self) = @_;
2090		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2091	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2092		2264
2093	$self->unlink_save;	2265	$self->unlink_save;
2094		2266
2095	bless $self, "cf::map";	2267	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2272
2101	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2102		2275
2103	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2104	}	2277	}
2105		2278
2106	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2148		2321
2149	sub unique_maps() {	2322	sub unique_maps() {
2150	[	2323	[
2151	map {	2324	map {
2152	utf8::decode $_;	2325	utf8::decode $_;
2153	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2154	? normalise $_	2329	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2331	]
2158	}	2332	}
2159		2333
2160	package cf;
2161
2162	=back	2334	=back
2163		2335
2164	=head3 cf::object	2336	=head3 cf::object
2165		2337
2166	=cut	2338	=cut
…		…
2169		2341
2170	=over 4	2342	=over 4
2171		2343
2172	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2173		2345
2174	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.
2175		2348
2176	=cut	2349	=cut
2177		2350
2178	sub inv_recursive_;	2351	sub inv_recursive_;
2179	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2182		2355
2183	sub inv_recursive {	2356	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2185	}	2358	}
2186		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
2187	package cf;	2388	package cf;
2188		2389
2189	=back	2390	=back
2190		2391
2191	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2197	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>
2198	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
2199	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2200		2401
2201	=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	};
2202		2417
2203	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2419	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2213		2428
2214	} else {	2429	} else {
2215	my $pl = $self->contr;	2430	my $pl = $self->contr;
2216		2431
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2435
2226	} else {	2436	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2439	}
2230	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
2231	}	2451	}
2232		2452
2233	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
2234		2454
2235	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
2248		2468
2249	=item $player_object->enter_link	2469	=item $player_object->enter_link
2250		2470
2251	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}>).
2252		2472
2253	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.
2254	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.
2255		2477
2256	Will never block.	2478	Will never block.
2257		2479
2258	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2259		2481
…		…
2314	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
2317		2539
2318	$map->load;	2540	$map->load;
2319	$map->load_diag;	2541	$map->load_neighbours;
2320		2542
2321	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2322	$self->activate_recursive;	2545	$self->activate_recursive;
2323		2546
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2326	}	2549	}
…		…
2331	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	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
2334	be called at the end of this process.	2557	be called at the end of this process.
2335		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
2336	=cut	2562	=cut
2337		2563
2338	our $GOTOGEN;	2564	our $GOTOGEN;
2339		2565
2340	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2571
2346	$self->enter_link;	2572	$self->enter_link;
2347		2573
2348	(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
2349	my $map = eval {	2596	my $map = eval {
2350	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2351		2598
2352	if ($map) {	2599	if ($map) {
2353	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2355	} else {	2602	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2604	}
2358		2605
2359	$map	2606	$map
2360	};	2607	};
2361		2608
…		…
2397	}	2644	}
2398		2645
2399	sub prepare_random_map {	2646	sub prepare_random_map {
2400	my ($exit) = @_;	2647	my ($exit) = @_;
2401		2648
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2651	# that depends on the exit object
2407		2652
2408	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2655	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2415	}	2662	}
2416		2663
2417	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2418		2665
2419	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2422		2669
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2672	undef $fh;
2426	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2427		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2430	}	2681	}
2431	}	2682	}
2432		2683
2433	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2435		2686
2436	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2437		2688
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2689	$self->enter_link;
2450		2690
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2691	(async {
2456	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2457	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
2458	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2459		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
2460	1;	2715	1
2461	}) {	2716	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2721
2467	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2497		2752
2498	=cut	2753	=cut
2499		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		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	},
		2817	);
		2818
2500	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2821
2503	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
2504		2824
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
2507	if (ref $channel) {	2836	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2837	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2838	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2839	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
2512	}	2842	}
2513		2843
2514	$channel = $channel->{id};	2844	$channel = $channel->{id};
2515	}	2845	}
2516		2846
2517	return unless @extra || length $msg;	2847	return unless @extra || length $msg;
2518		2848
2519	if ($self->can_msg) {	2849	if ($self->can_msg) {
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$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);
2521	} else {	2870	} else {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531
2532	if ($color >= 0) {	2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
2533	if (0 && $msg =~ /\[/) {	2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
2535	} else {	2889	} else {
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")	2891	$self->send_packet ("drawinfo $color $msg")
2538	}	2892	}
2539	}	2893	}
2540	}	2894	}
2541	}	2895	}
2542		2896
2543	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2544		2898
2545	Sends an ext event to the client.	2899	Sends an ext event to the client.
2546		2900
2547	=cut	2901	=cut
2548		2902
2549	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2551		2905
2552	return unless $self->extcmd;	2906	if ($self->extcmd == 2) {
2553		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2556	}	2930	}
2557		2931
2558	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2559		2933
2560	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2616		2990
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		2992
2619	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2626	} else {	3008	} else {
2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2628	}	3010	}
2629		3011
2630	cf::override;	3012	cf::override;
…		…
2677	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2679		3061
2680	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2681		3063
2682	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2683		3069
2684	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2685		3071
2686	=pod	3072	=pod
2687		3073
2688	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2689		3075
2690	cf::object	3076	cf::object
2691	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
2692	insert remove	3078	insert remove name archname title slaying race decrease split
2693		3079
2694	cf::object::player	3080	cf::object::player
2695	player	3081	player
2696		3082
2697	cf::player	3083	cf::player
…		…
2702		3088
2703	=cut	3089	=cut
2704		3090
2705	for (	3091	for (
2706	["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
2707	insert remove)],	3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2708	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2710	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2711	) {	3098	) {
2712	no strict 'refs';	3099	no strict 'refs';
…		…
2788	# the server's init and main functions	3175	# the server's init and main functions
2789		3176
2790	sub load_facedata($) {	3177	sub load_facedata($) {
2791	my ($path) = @_;	3178	my ($path) = @_;
2792		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
2793	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2794		3187
2795	my $facedata;	3188	my $facedata;
2796	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
2797	or die "$path: $!";	3190	or die "$path: $!";
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2800		3193
2801	$facedata->{version} == 2	3194	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2804	{	3204	{
2805	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2806		3206
2807	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2809	cf::face::set_visibility $idx, $info->{visibility};	3210	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2813		3214
2814	cf::cede_to_tick;	3215	cf::cede_to_tick;
2815	}	3216	}
2816		3217
2817	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2819	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2820	or next;	3222	or next;
		3223
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3227	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2842		3245
2843	{	3246	{
2844	# TODO: for gcfclient pleasure, we should give resources	3247	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.	3248	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3249	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3250
2849	while (my ($name, $info) = each %$res) {	3251	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3252	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
2857		3255
2858	if ($name =~ /\.jpg$/) {	3256	if ($info->{type} & 1) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3257	# prepend meta info
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		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};
2861	} else {	3271	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3272	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3273	}
2868		3274
2869	cf::cede_to_tick;	3275	cf::cede_to_tick;
2870	}	3276	}
2871	}	3277	}
2872		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2873	1	3281	1
2874	}	3282	}
2875		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	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		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	}
		3321
2876	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2877	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
2879		3329
2880	for (cf::region::list) {	3330	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3331	$_->{match} = qr/$_->{match}/
…		…
2889	}	3339	}
2890		3340
2891	sub reload_archetypes {	3341	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3344	}
2900		3345
2901	sub reload_treasures {	3346	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2904	}	3349	}
2905		3350
2906	sub reload_resources {	3351	sub reload_resources {
2907	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2908		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2909	reload_regions;	3356	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3357	reload_treasures;
2914		3358
2915	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2916	}	3360	}
2917		3361
2918	sub init {	3362	sub reload_config {
2919	reload_resources;
2920	}
2921
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3364	or return;
2925		3365
2926	local $/;	3366	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2928		3368
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3370
2931	$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};
2932	$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};
…		…
2938	};	3378	};
2939	warn $@ if $@;	3379	warn $@ if $@;
2940	}	3380	}
2941	}	3381	}
2942		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
2943	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
2944	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2946	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#
2947	(async {	3421	(async {
2948	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2950	};	3425	};
2951		3426
2952	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2953	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
2954	load_extensions;	3445	load_extensions;
2955		3446
2956	$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
2957	Event::loop;	3455	EV::loop;
2958	}	3456	}
2959		3457
2960	#############################################################################	3458	#############################################################################
2961	# initialisation and cleanup	3459	# initialisation and cleanup
2962		3460
2963	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2964	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2973	},
2974	);	3467	};
2975	}	3468	}
2976	}	3469	}
2977		3470
2978	sub write_runtime {	3471	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";
2980
2981	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
2983		3474
2984	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3476
2986	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
2987		3478
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2989	or return;	3480	or return;
2990		3481
2991	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
3004		3495
3005	close $fh	3496	close $fh
3006	or return;	3497	or return;
3007		3498
3008	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3500	and return;
3010		3501
3011	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
3012		3503
3013	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 $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid 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($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
3014	}	3555	}
3015		3556
3016	sub emergency_save() {	3557	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
3018		3559
…		…
3024	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
3026	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3571	$pl->save;
3030	}	3572	}
3031	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
3032		3574
3033	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
3039	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
3040		3582
3041	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
3043	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
3044	};	3590	};
3045		3591
3046	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
3047	}	3593	}
3048		3594
3049	sub post_cleanup {	3595	sub post_cleanup {
3050	my ($make_core) = @_;	3596	my ($make_core) = @_;
3051		3597
3052	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3053	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
3054	}	3629	}
3055		3630
3056	sub do_reload_perl() {	3631	sub do_reload_perl() {
3057	# can/must only be called in main	3632	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3060	return;	3635	return;
3061	}	3636	}
3062		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
3063	warn "reloading...";	3641	warn "reloading...";
3064		3642
3065	warn "entering sync_job";	3643	warn "entering sync_job";
3066		3644
3067	cf::sync_job {	3645	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3647	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3071		3649
3072	warn "syncing database to disk";	3650	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3652
3075	# 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
3076		3654
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3658	}
3114		3659
3115	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
3117	}	3662	%EXT_CORO = ();
3118		3663
3119	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3673	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3674
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3130	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3131	}	3684	}
3132		3685
3133	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 $k;
3134	}	3701	}
3135		3702
3136	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3138	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);
3139		3706
3140	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3143		3710
3144	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3712	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3147		3714
3148	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3149		3716
3150	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3151	require cf;	3718	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3153		3720
3154	warn "loading config and database again";	3721	warn "loading config and database again";
3155	cf::cfg_load;	3722	cf::reload_config;
3156		3723
3157	warn "loading extensions";	3724	warn "loading extensions";
3158	cf::load_extensions;	3725	cf::load_extensions;
3159		3726
3160	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3166		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3167	warn "leaving sync_job";	3737	warn "leaving sync_job";
3168		3738
3169	1	3739	1
3170	} or do {	3740	} or do {
3171	warn $@;	3741	warn $@;
3172	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3743	};
3175		3744
3176	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3177	};	3748	};
3178		3749
3179	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3180		3751
3181	sub reload_perl() {	3752	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3184		3755
3185	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3186	reentrant => 0,
3187	after => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => sub {
3190	do_reload_perl;	3757	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3192	},
3193	);	3759	};
3194	}	3760	}
3195		3761
3196	register_command "reload" => sub {	3762	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3198		3764
3199	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3769	reload_perl;
		3770	};
3202	}	3771	}
3203	};	3772	};
3204		3773
3205	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3206		3775
…		…
3208		3777
3209	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3211		3780
3212	sub wait_for_tick {	3781	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3215		3783
3216	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3786	$signal->wait;
3219	}	3787	}
3220		3788
3221	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3224		3791
3225	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3794	$signal->wait;
3228	}	3795	}
3229		3796
3230	my $min = 1e6;#d#	3797	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3242	return;	3801	return;
3243	}	3802	}
3244		3803
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3248		3805
3249	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3250	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3251	my $t = Event::time;	3808	Coro::async_pool {
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3253	or die;	3810	write_runtime_sync
3254		3811	or warn "ERROR: unable to write runtime file: $!";
3255	$map->width (50);
3256	$map->height (50);
3257	$map->alloc;
3258	$map->_load_objects ("/tmp/x.map", 1);
3259	my $t = Event::time - $t;
3260
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3812	};
		3813	}
3271		3814
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3816	$sig->send;
3288	}	3817	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3819	$sig->send;
3291	}	3820	}
3292		3821
3293	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3824
3304	_post_tick;	3825	if (0) {
3305		3826	if ($NEXT_TICK) {
3306		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3307	},	3831	}
3308	);	3832	}
3309		3833
3310	{	3834	{
3311	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3836
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3321		3838	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3840
3337	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3338	$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);
3339		3848
3340	cf::sync_job {	3849	cf::sync_job {
3341	eval {	3850	eval {
3342	BDB::db_env_open	3851	BDB::db_env_open
3343	$DB_ENV,	3852	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	3856	0666;
3348		3857
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	3859	};
3354		3860
3355	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	3862	};
3357	}	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	};
3358	}	3874	}
3359		3875
3360	{	3876	{
		3877	# configure IO::AIO
		3878
3361	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	3882	}
3374		3883
3375	my $_log_backtrace;	3884	my $_log_backtrace;
3376		3885
3377	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3381		3890
3382	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3385	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3386	my @bt = fork_call {	3898	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	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 |"
3390	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3398	}	3910	}
3399		3911
3400	@funcs	3912	@funcs
3401	};	3913	};
3402		3914
3403	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	3918	--$_log_backtrace;
3406	};	3919	};
3407	} else {	3920	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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