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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	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;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
100		134
101	binmode STDOUT;	135	binmode STDOUT;
102	binmode STDERR;	136	binmode STDERR;
103		137
104	# read virtual server time, if available	138	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
109	}	143	}
110		144
111	mkdir $_	145	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		191
158	The raw value load value from the last tick.	192	The raw value load value from the last tick.
159		193
160	=item %cf::CFG	194	=item %cf::CFG
161		195
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	197	from wherever your confdir points to.
164		198
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		200
167	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
168	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
171	=back	211	=back
172		212
173	=cut	213	=cut
174		214
175	BEGIN {	215	BEGIN {
…		…
179	$msg .= "\n"	219	$msg .= "\n"
180	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
181		221
182	$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;
183		223
184	utf8::encode $msg;
185	LOG llevError, $msg;	224	LOG llevError, $msg;
186	};	225	};
187	}	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#?
188		242
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	253	for my $pkg (qw(
200	cf::global cf::attachable	254	cf::global cf::attachable
201	cf::object cf::object::player	255	cf::object cf::object::player
202	cf::client cf::player	256	cf::client cf::player
203	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
204	cf::map cf::party cf::region	259	cf::party cf::region
205	)) {	260	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	262	}
209		263
210	$Event::DIED = sub {	264	$EV::DIED = sub {
211	warn "error in event callback: @_";	265	warn "error in event callback: @_";
212	};	266	};
213		267
214	#############################################################################	268	#############################################################################
215		269
…		…
238	$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;
239	$d	293	$d
240	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
241	}	295	}
242		296
243	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
244		298
245	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
246		300
247	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
248		302
249	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
250		304
251	=cut	305	=cut
252		306
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		308
255	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		325
258	=item cf::lock_wait $string	326	=item cf::lock_wait $string
259		327
260	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
261		329
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
267	returned.	335	returned.
268		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
269	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
270	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
271		342
272	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
273		344
274	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
275		346
276	=cut	347	=cut
277		348
278	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
279		351
280	sub lock_wait($) {	352	sub lock_wait($) {
281	my ($key) = @_;	353	my ($key) = @_;
282		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
283	# wait for lock, if any	360	# wait for lock, if any
284	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	364	Coro::schedule;
287	}	365	}
288	}	366	}
289		367
…		…
292		370
293	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
294	lock_wait $key;	372	lock_wait $key;
295		373
296	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
297		376
298	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
301	}	381	}
302	}	382	}
303		383
…		…
306		386
307	! ! $LOCK{$key}	387	! ! $LOCK{$key}
308	}	388	}
309		389
310	sub freeze_mainloop {	390	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
312		392
313	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	394	}
		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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
315	};	454	}
316	$TICK_WATCHER->stop;	455	};
317	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
318	}	469	}
319		470
320	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
321		472
322	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		478
328	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
329		480
330	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
331		482
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	486	acceptable.
336		487
337	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		494
344	sub sync_job(&) {	495	sub sync_job(&) {
345	my ($job) = @_;	496	my ($job) = @_;
346		497
347	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	499	my $time = EV::time;
349		500
350	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
352		503
353	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	505
355	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
356		507
357	my $busy = 1;	508	my $busy = 1;
358	my @res;	509	my @res;
359		510
360	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	513	@res = eval { $job->() };
362	warn $@ if $@;	514	warn $@ if $@;
363	undef $busy;	515	undef $busy;
364	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
365		517
366	while ($busy) {	518	while ($busy) {
367	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
368	}	523	}
		524	}
369		525
370	$time = Event::time - $time;	526	my $time = EV::time - $time;
371		527
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
376		529
377	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
378	} else {	531	} else {
379	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
380		533
…		…
405	=item fork_call { }, $args	558	=item fork_call { }, $args
406		559
407	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
411		564
412	=cut	565	=cut
413		566
414	sub fork_call(&@) {	567	sub fork_call(&@) {
415	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
416		569
417	# 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,
418	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		573
422	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	575	reset_signals;
435	local $SIG{__WARN__};	576	&$cb
436	local $SIG{__DIE__};	577	}, @args;
437	eval {
438	close $fh1;
439		578
440	my @res = eval { $cb->(@args) };	579	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	580	}
442	};
443		581
444	warn $@ if $@;	582	=item $coin = coin_from_name $name
445	_exit 0;	583
446	}	584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
447	}	607	}
448		608
449	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
450		610
451	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
454		614
455	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
456	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).
457		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
458	=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	}
459		641
460	our $DB;	642	our $DB;
461		643
462	sub db_init {	644	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	645	cf::sync_job {
467	eval {	646	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	647	};
477	}	648	}
478		649
479	sub db_get($$) {	650	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
481		652
…		…
531	if (1) {	702	if (1) {
532	$md5 =	703	$md5 =
533	join "\x00",	704	join "\x00",
534	$processversion,	705	$processversion,
535	map {	706	map {
536	Coro::cede;	707	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	709	} 0.. $#$src;
539		710
540		711
541	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		750
580	#############################################################################	751	#############################################################################
581		752
582	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
583		754
584	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
585	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")
586	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
587		758
588	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>
589	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
590	Crossfire TRT).	761	Deliantra).
591		762
592	=over 4	763	=over 4
593		764
594	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
595		766
…		…
639	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
640		811
641	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
642	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
643		814
644	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		817
647	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
648		819
649	=over 4	820	=over 4
…		…
847	";	1018	";
848	die if $@;	1019	die if $@;
849	}	1020	}
850		1021
851	our $override;	1022	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1024
854	sub override {	1025	sub override {
855	$override = 1;	1026	$override = 1;
856	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
857	}	1028	}
858		1029
859	sub do_invoke {	1030	sub do_invoke {
860	my $event = shift;	1031	my $event = shift;
861	my $callbacks = shift;	1032	my $callbacks = shift;
862		1033
863	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
864		1035
865	local $override;	1036	local $override;
866		1037
867	for (@$callbacks) {	1038	for (@$callbacks) {
868	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
877	}	1048	}
878		1049
879	0	1050	0
880	}	1051	}
881		1052
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1054
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1056
886	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
887		1058
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1062
892	=back	1063	=back
893		1064
894	=cut	1065	=cut
895		1066
896	#############################################################################	1067	#############################################################################
897	# object support	1068	# object support
		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#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
898		1111
899	sub reattach {	1112	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1114	my ($obj) = @_;
902		1115
		1116	# no longer needed after getting rid of delete_package?
903	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
904		1118
905	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
906		1120
907	@$registry = ();	1121	@$registry = ();
908		1122
…		…
923	cf::attachable->attach (	1137	cf::attachable->attach (
924	prio => -1000000,	1138	prio => -1000000,
925	on_instantiate => sub {	1139	on_instantiate => sub {
926	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
927		1141
928	$data = from_json $data;	1142	$data = decode_json $data;
929		1143
930	for (@$data) {	1144	for (@$data) {
931	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
932		1146
933	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1163	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
951		1165
952	sync_job {	1166	sync_job {
953	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
956		1171
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1176	aio_close $fh;
962		1177
963	if (@$objs) {	1178	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1184	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
971	}	1186	}
972	} else {	1187	} else {
973	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
974	}	1189	}
975		1190
976	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
977	} else {	1195	} else {
978	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
979	}	1197	}
980	} else {	1198	} else {
981	aio_unlink $filename;	1199	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
983	}	1201	}
984	}	1202	};
985	}	1203	}
986		1204
987	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
989		1207
…		…
1001	or return;	1219	or return;
1002		1220
1003	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1223	or return;
		1224
1006	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
1007	}	1227	}
1008		1228
		1229	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1231	$decname, length $data, scalar @{$av || []};
		1232
1011	return ($data, $av);	1233	($data, $av)
1012	}	1234	}
1013		1235
1014	=head2 COMMAND CALLBACKS	1236	=head2 COMMAND CALLBACKS
1015		1237
1016	=over 4	1238	=over 4
…		…
1089	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
1090		1312
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1314
1093	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
1099	} else {	1330	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1332	}
1102		1333
1103	cf::override;	1334	cf::override;
…		…
1130		1361
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1364
1134	$ext{source} =	1365	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1367	. "#line 1 \"$path\"\n{\n"
1137	. $source	1368	. $source
1138	. "\n};\n1";	1369	. "\n};\n1";
1139		1370
1140	$todo{$base} = \%ext;	1371	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1387	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1388	: "$v->{base}: extension inactive.\n";
1158		1389
1159	if (exists $v->{meta}{mandatory}) {	1390	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1391	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1392	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1393	}
1164		1394
1165	warn $msg;	1395	warn $msg;
1166	}	1396	}
1167		1397
…		…
1181		1411
1182	=back	1412	=back
1183		1413
1184	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1185		1415
1186	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1187		1417
1188	=cut	1418	=cut
1189		1419
1190	package cf::player;	1420	package cf::player;
1191		1421
1192	use Coro::AIO;	1422	use Coro::AIO;
1193		1423
1194	=head3 cf::player	1424	=head3 cf::player
1195		1425
1196	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1197		1441
1198	=item cf::player::find $login	1442	=item cf::player::find $login
1199		1443
1200	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1201		1445
…		…
1220		1464
1221	sub exists($) {	1465	sub exists($) {
1222	my ($login) = @_;	1466	my ($login) = @_;
1223		1467
1224	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1226	}	1470	}
1227		1471
1228	sub find($) {	1472	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1474	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1485
1242	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1245	}	1495	}
1246	}	1496	}
1247	}	1497	}
1248		1498
…		…
1257	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1258		1508
1259	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1261		1511
		1512	cf::get_slot 0.01;
		1513
1262	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1263	Coro::cede;	1515	cf::cede_to_tick;
1264	}	1516	}
1265		1517
1266	sub new($) {	1518	sub new($) {
1267	my ($login) = @_;	1519	my ($login) = @_;
1268		1520
…		…
1274	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1275		1527
1276	$self	1528	$self
1277	}	1529	}
1278		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1279	=item $pl->quit_character	1541	=item $pl->quit_character
1280		1542
1281	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1283		1545
…		…
1287	my ($pl) = @_;	1549	my ($pl) = @_;
1288		1550
1289	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1290		1552
1291	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1555
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1298		1562
1299	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1600	or return [];
1337		1601
1338	my @logins;	1602	my @logins;
1339		1603
1340	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1344		1614
1345	utf8::decode $login;	1615	utf8::decode $login;
1346	push @logins, $login;	1616	push @logins, $login;
1347	}	1617	}
1348		1618
…		…
1375	}	1645	}
1376		1646
1377	\@paths	1647	\@paths
1378	}	1648	}
1379		1649
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1651
1382	Expand crossfire pod fragments into protocol xml.	1652	Expand deliantra pod fragments into protocol xml.
1383		1653
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1431		1655
1432	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1433		1657
1434	=cut	1658	=cut
1435		1659
1436	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1438		1662
1439	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1664	}
1442		1665
1443	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1444		1667
1445	Sends an ext event to the client.	1668	Sends an ext event to the client.
1446		1669
1447	=cut	1670	=cut
1448		1671
1449	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1451		1674
1452	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1453	}	1676	}
1454		1677
1455	=head3 cf::region	1678	=head3 cf::region
1456		1679
1457	=over 4	1680	=over 4
…		…
1470	my ($path) = @_;	1693	my ($path) = @_;
1471		1694
1472	my ($match, $specificity);	1695	my ($match, $specificity);
1473		1696
1474	for my $region (list) {	1697	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1478	}	1701	}
1479	}	1702	}
1480		1703
…		…
1501	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1503		1726
1504	sub generate_random_map {	1727	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1506	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1733	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1601	return $self;	1827	return $self;
1602	}	1828	}
1603	}	1829	}
1604		1830
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1832	()
1607	}	1833	}
1608		1834
1609	sub init {	1835	sub init {
1610	my ($self) = @_;	1836	my ($self) = @_;
…		…
1632		1858
1633	# the temporary/swap location	1859	# the temporary/swap location
1634	sub save_path {	1860	sub save_path {
1635	my ($self) = @_;	1861	my ($self) = @_;
1636		1862
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1639	}	1865	}
1640		1866
1641	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1642	sub uniq_path {	1868	sub uniq_path {
1643	my ($self) = @_;	1869	my ($self) = @_;
1644		1870
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1647	}	1873	}
1648		1874
1649	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1650	# all maps in C++...	1876	# all maps in C++...
…		…
1673		1899
1674	sub load_header_from($) {	1900	sub load_header_from($) {
1675	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1676		1902
1677	utf8::encode $path;	1903	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1683		1912
1684	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1685		1914
1686	1	1915	1
1687	}	1916	}
…		…
1741	sub find {	1970	sub find {
1742	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1743		1972
1744	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1745		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1747		1977
1748	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1750	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1751	or return;	1983	or return;
1752		1984
1753	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1754		1986
…		…
1756	or return;	1988	or return;
1757		1989
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1761	$map->reset;	1995	$map->reset;
1762	undef $guard;
1763	return find $path;	1996	return find $path;
1764	}	1997	}
1765		1998
1766	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1767	}	2000	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1777		2010
1778	my $path = $self->{path};	2011	my $path = $self->{path};
1779		2012
1780	{	2013	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1782		2015
		2016	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2018
1785	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1786		2020
1787	$self->alloc;	2021	$self->alloc;
1788		2022
1789	$self->pre_load;	2023	$self->pre_load;
1790	Coro::cede;	2024	cf::cede_to_tick;
1791		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1793	or return;	2029	or return;
1794		2030
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1796	if delete $self->{load_original};	2032	if delete $self->{load_original};
1797		2033
1798	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2035	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2038	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1803	}	2042	}
1804	}	2043	}
1805		2044
1806	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1807	# now do the right thing for maps	2048	# now do the right thing for maps
1808	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2051	unless $self->difficulty;
1811	Coro::cede;	2052	cf::cede_to_tick;
1812		2053
1813	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2055	$self->decay_objects;
1815	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1816	$self->update_buttons;	2057	$self->update_buttons;
1817	Coro::cede;	2058	cf::cede_to_tick;
1818	$self->set_darkness_map;	2059	$self->set_darkness_map;
1819	Coro::cede;	2060	cf::cede_to_tick;
1820	$self->activate;	2061	$self->activate;
1821	}	2062	}
1822		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2068	}
1825		2069
1826	$self->post_load;	2070	$self->post_load;
1827	}	2071	}
1828		2072
…		…
1837		2081
1838	$self	2082	$self
1839	}	2083	}
1840		2084
1841	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2086	sub load_neighbours {
1843	my ($map) = @_;	2087	my ($map) = @_;
1844		2088
1845	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1846		2090
1847	for (0 .. 3) {	2091	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1849	or next;	2093	or next;
1850	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1851	or next;	2095	or next;
1852	$neigh->load;	2096	$neigh->load;
1853		2097
		2098	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2101	}
1857		2102
1858	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1860	or next;	2106	or next;
1861	$neigh->load;	2107	$neigh->load;
1862	}	2108	}
1863	}	2109	}
1864		2110
…		…
1869	}	2115	}
1870		2116
1871	sub do_load_sync {	2117	sub do_load_sync {
1872	my ($map) = @_;	2118	my ($map) = @_;
1873		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1874	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1875	}	2124	}
1876		2125
1877	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1879		2128
1880	sub find_async {	2129	sub find_async {
1881	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1882		2131
1883	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1884		2133
1885	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2136	}
1888		2137
1889	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1890	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1891	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2145	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2146	$map->load if $v;
		2147	}
1896		2148
1897	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1898	}	2150	}
1899	}	2151	}
1900	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1901	};	2153	};
1902	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2157	}
1906		2158
1907	sub save {	2159	sub save {
1908	my ($self) = @_;	2160	my ($self) = @_;
1909		2161
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2163
1912	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1913		2165
1914	return unless $self->dirty;	2166	return unless $self->dirty;
1915		2167
…		…
1921	return if $self->{deny_save};	2173	return if $self->{deny_save};
1922		2174
1923	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1924		2176
1925	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1927	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1928		2183
1929	if ($uniq) {	2184	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2187	} else {
…		…
1938	my ($self) = @_;	2193	my ($self) = @_;
1939		2194
1940	# save first because save cedes	2195	# save first because save cedes
1941	$self->save;	2196	$self->save;
1942		2197
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2199
1945	return if $self->players;	2200	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2202	return if $self->{deny_save};
1948		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2208	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2209	}
1952		2210
1953	sub reset_at {	2211	sub reset_at {
1954	my ($self) = @_;	2212	my ($self) = @_;
1955		2213
…		…
1987	if $uniq;	2245	if $uniq;
1988	}	2246	}
1989		2247
1990	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1991		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2252	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2253
1996	$self->unlink_save;	2254	$self->unlink_save;
1997	$self->destroy;	2255	$self->destroy;
1998	}	2256	}
1999		2257
2000	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
2001		2259
2002	sub nuke {	2260	sub nuke {
2003	my ($self) = @_;	2261	my ($self) = @_;
2004		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
2005	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2006		2267
2007	$self->unlink_save;	2268	$self->unlink_save;
2008		2269
2009	bless $self, "cf::map";	2270	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2275
2015	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
2016		2278
2017	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
2018	}	2280	}
2019		2281
2020	=item $maps = cf::map::tmp_maps	2282	=item $maps = cf::map::tmp_maps
…		…
2062		2324
2063	sub unique_maps() {	2325	sub unique_maps() {
2064	[	2326	[
2065	map {	2327	map {
2066	utf8::decode $_;	2328	utf8::decode $_;
2067	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
2068	? normalise $_	2332	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2334	]
2072	}	2335	}
2073		2336
2074	package cf;
2075
2076	=back	2337	=back
2077		2338
2078	=head3 cf::object	2339	=head3 cf::object
2079		2340
2080	=cut	2341	=cut
…		…
2083		2344
2084	=over 4	2345	=over 4
2085		2346
2086	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
2087		2348
2088	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
2089		2351
2090	=cut	2352	=cut
2091		2353
2092	sub inv_recursive_;	2354	sub inv_recursive_;
2093	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
2096		2358
2097	sub inv_recursive {	2359	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
2099	}	2361	}
2100		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
2101	package cf;	2391	package cf;
2102		2392
2103	=back	2393	=back
2104		2394
2105	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
2114		2404
2115	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
2116		2420
2117	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2422	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
2127		2431
2128	} else {	2432	} else {
2129	my $pl = $self->contr;	2433	my $pl = $self->contr;
2130		2434
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2436	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2438
2140	} else {	2439	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2442	}
2144	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
2145	}	2454	}
2146		2455
2147	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
2148		2457
2149	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
2162		2471
2163	=item $player_object->enter_link	2472	=item $player_object->enter_link
2164		2473
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2475
2167	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
2169		2480
2170	Will never block.	2481	Will never block.
2171		2482
2172	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
2173		2484
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
2231		2542
2232	$map->load;	2543	$map->load;
2233	$map->load_diag;	2544	$map->load_neighbours;
2234		2545
2235	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2548	$self->activate_recursive;
2237		2549
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2240	}	2552	}
2241		2553
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2555
2244	Moves the player to the given map-path and coordinates by first freezing	2556	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2559	the new (success) or old (failed) map position. In either case, $done will
		2560	be called at the end of this process.
		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
2248		2564
2249	=cut	2565	=cut
2250		2566
2251	our $GOTOGEN;	2567	our $GOTOGEN;
2252		2568
2253	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2571
2256	# do generation counting so two concurrent goto's will be executed in-order	2572	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2574
2259	$self->enter_link;	2575	$self->enter_link;
2260		2576
2261	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
2262	my $map = eval {	2599	my $map = eval {
2263	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2264		2601
2265	if ($map) {	2602	if ($map) {
2266	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2268	} else {	2605	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2607	}
2271		2608
2272	$map	2609	$map
2273	};	2610	};
2274		2611
…		…
2279		2616
2280	if ($gen == $self->{_goto_generation}) {	2617	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2618	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
2283	}	2620	}
		2621
		2622	$done->() if $done;
2284	})->prio (1);	2623	})->prio (1);
2285	}	2624	}
2286		2625
2287	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2288		2627
…		…
2308	}	2647	}
2309		2648
2310	sub prepare_random_map {	2649	sub prepare_random_map {
2311	my ($exit) = @_;	2650	my ($exit) = @_;
2312		2651
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2654	# that depends on the exit object
2318		2655
2319	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2658	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2326	}	2665	}
2327		2666
2328	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2329		2668
2330	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2333		2672
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2675	undef $fh;
2337	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2338		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2341	}	2684	}
2342	}	2685	}
2343		2686
2344	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2346		2689
2347	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2348		2691
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2692	$self->enter_link;
2361		2693
2362	(async {	2694	(async {
2363	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2364	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2365	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2366		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2367	1;	2718	1
2368	}) {	2719	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2724
2374	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2393		2744
2394	utf8::encode $text;	2745	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2747	}
2397		2748
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2750
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2751	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2752	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2753	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2754	the message unless the client supports the msg packet.
2404		2755
2405	=cut	2756	=cut
2406		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
2407	sub cf::client::send_msg {	2822	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2823	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2824
2410	$msg = $self->pl->expand_cfpod ($msg);	2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
2411		2849
2412	return unless @extra || length $msg;	2850	return unless @extra || length $msg;
2413		2851
2414	if ($self->can_msg) {	2852	if ($self->can_msg) {
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
2416	} else {	2873	} else {
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426
2427	if ($color >= 0) {	2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
2428	if (0 && $msg =~ /\[/) {	2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2430	} else {	2892	} else {
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")	2894	$self->send_packet ("drawinfo $color $msg")
2433	}	2895	}
2434	}	2896	}
2435	}	2897	}
2436	}	2898	}
2437		2899
2438	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2439		2901
2440	Sends an ext event to the client.	2902	Sends an ext event to the client.
2441		2903
2442	=cut	2904	=cut
2443		2905
2444	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2446		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2449	}	2933	}
2450		2934
2451	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2452		2936
2453	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	2992	my ($ns, $buf) = @_;
2509		2993
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		2995
2512	if (ref $msg) {	2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3004	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3005	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
2519	} else {	3011	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3013	}
2522		3014
2523	cf::override;	3015	cf::override;
…		…
2570	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2572		3064
2573	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2574		3066
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2576		3072
2577	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2578		3074
2579	=pod	3075	=pod
2580		3076
2581	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2582		3078
2583	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2584	cf::object::player player	3083	cf::object::player
2585	cf::player peaceful	3084	player
2586	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2587		3091
2588	=cut	3092	=cut
2589		3093
2590	for (	3094	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2592	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2594	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2595	) {	3101	) {
2596	no strict 'refs';	3102	no strict 'refs';
…		…
2672	# the server's init and main functions	3178	# the server's init and main functions
2673		3179
2674	sub load_facedata($) {	3180	sub load_facedata($) {
2675	my ($path) = @_;	3181	my ($path) = @_;
2676		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2677	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2678		3190
2679	my $facedata;	3191	my $facedata;
2680	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2681	or die "$path: $!";	3193	or die "$path: $!";
…		…
2683	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2684		3196
2685	$facedata->{version} == 2	3197	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2688	{	3207	{
2689	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2690		3209
2691	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2696	Coro::cede;	3217
		3218	cf::cede_to_tick;
2697	}	3219	}
2698		3220
2699	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2701	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2702	or next;	3225	or next;
		3226
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3230	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3232	}
2708	Coro::cede;	3233
		3234	cf::cede_to_tick;
2709	}	3235	}
2710	}	3236	}
2711		3237
2712	{	3238	{
2713	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2714		3240
2715	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3243	cf::cede_to_tick;
2718	}	3244	}
2719		3245
2720	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2721	}	3247	}
2722		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2723	1	3284	1
2724	}	3285	}
2725		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2726	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2727	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2729	}	3337	}
2730		3338
2731	sub reload_facedata {	3339	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
2734	}	3342	}
2735		3343
2736	sub reload_archetypes {	3344	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3347	}
2745		3348
2746	sub reload_treasures {	3349	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2749	}	3352	}
2750		3353
2751	sub reload_resources {	3354	sub reload_resources {
2752	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2753		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2754	reload_regions;	3359	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3360	reload_treasures;
2759		3361
2760	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2761	}	3363	}
2762		3364
2763	sub init {	3365	sub reload_config {
2764	reload_resources;
2765	}
2766
2767	sub cfg_load {
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2769	or return;	3367	or return;
2770		3368
2771	local $/;	3369	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2773		3371
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2775		3373
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2783	};	3381	};
2784	warn $@ if $@;	3382	warn $@ if $@;
2785	}	3383	}
2786	}	3384	}
2787		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2788	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2789	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3424	(async {
2793	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2795	};	3428	};
2796		3429
2797	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2798	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2799	load_extensions;	3448	load_extensions;
2800		3449
2801	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2802	Event::loop;	3458	EV::loop;
2803	}	3459	}
2804		3460
2805	#############################################################################	3461	#############################################################################
2806	# initialisation and cleanup	3462	# initialisation and cleanup
2807		3463
2808	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2809	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2818	},
2819	);	3470	};
2820	}	3471	}
2821	}	3472	}
2822		3473
2823	sub write_runtime {	3474	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";
2825
2826	# first touch the runtime file to show we are still running:	3475	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3476	# the fsync below can take a very very long time.
2828		3477
2829	IO::AIO::aio_utime $runtime, undef, undef;	3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3479
2831	my $guard = cf::lock_acquire "write_runtime";	3480	my $guard = cf::lock_acquire "write_runtime";
2832		3481
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2834	or return;	3483	or return;
2835		3484
2836	my $value = $cf::RUNTIME + 90 + 10;	3485	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3486	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3487	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3497	aio_utime $fh, undef, undef;
2849		3498
2850	close $fh	3499	close $fh
2851	or return;	3500	or return;
2852		3501
2853	aio_rename "$runtime~", $runtime	3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3503	and return;
2855		3504
2856	warn "runtime file written.\n";	3505	warn "runtime file written.\n";
2857		3506
2858	1	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2859	}	3558	}
2860		3559
2861	sub emergency_save() {	3560	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2863		3562
…		…
2869	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2871	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3574	$pl->save;
2875	}	3575	}
2876	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2877		3577
2878	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2884	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2885		3585
2886	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2889	};	3593	};
2890		3594
2891	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2892	}	3596	}
2893		3597
2894	sub post_cleanup {	3598	sub post_cleanup {
2895	my ($make_core) = @_;	3599	my ($make_core) = @_;
2896		3600
2897	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2899	}	3632	}
2900		3633
2901	sub do_reload_perl() {	3634	sub do_reload_perl() {
2902	# can/must only be called in main	3635	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2904	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2905	return;	3638	return;
2906	}	3639	}
2907		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2908	warn "reloading...";	3644	warn "reloading...";
2909		3645
2910	warn "entering sync_job";	3646	warn "entering sync_job";
2911		3647
2912	cf::sync_job {	3648	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2914	cf::emergency_save;	3650	cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2916		3652
2917	warn "syncing database to disk";	3653	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2919		3655
2920	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2921		3657
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2933	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();
2941
2942	warn "removing commands";
2943	%COMMAND = ();
2944
2945	warn "removing ext/exti commands";
2946	%EXTCMD = ();
2947	%EXTICMD = ();
2948
2949	warn "unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";
2952
2953	if (my $cb = $pkg->can ("unload")) {
2954	eval {
2955	$cb->($pkg);
2956	1
2957	} or warn "$pkg unloaded, but with errors: $@";
2958	}	3661	}
2959		3662
2960	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2961	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2962	}	3665	%EXT_CORO = ();
2963		3666
2964	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2965	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2968	warn "... unloading $k";	3676	warn "... unloading $pkg";
2969	delete $INC{$k};
2970		3677
2971	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;
2973
2974	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2975	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2976	}	3687	}
2977		3688
2978	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2979	}	3704	}
2980		3705
2981	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3709
2985	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2988		3713
2989	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3715	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2992		3717
2993	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2994		3719
2995	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2996	require cf;	3721	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2998		3723
2999	warn "loading config and database again";	3724	warn "loading config and database again";
3000	cf::cfg_load;	3725	cf::reload_config;
3001		3726
3002	warn "loading extensions";	3727	warn "loading extensions";
3003	cf::load_extensions;	3728	cf::load_extensions;
3004		3729
3005	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
3011		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
3012	warn "leaving sync_job";	3740	warn "leaving sync_job";
3013		3741
3014	1	3742	1
3015	} or do {	3743	} or do {
3016	warn $@;	3744	warn $@;
3017	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
3018	exit 1;
3019	};	3746	};
3020		3747
3021	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
3022	};	3751	};
3023		3752
3024	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
3025		3754
3026	sub reload_perl() {	3755	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
3029		3758
3030	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3031	reentrant => 0,
3032	after => 0,
3033	data => WF_AUTOCANCEL,
3034	cb => sub {
3035	do_reload_perl;	3760	do_reload_perl;
3036	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
3037	},
3038	);	3762	};
3039	}	3763	}
3040		3764
3041	register_command "reload" => sub {	3765	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3043		3767
3044	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	3772	reload_perl;
		3773	};
3047	}	3774	}
3048	};	3775	};
3049		3776
3050	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3051		3778
…		…
3053		3780
3054	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3056		3783
3057	sub wait_for_tick {	3784	sub wait_for_tick {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3060		3786
3061	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	3789	$signal->wait;
3064	}	3790	}
3065		3791
3066	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3069		3794
3070	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	3797	$signal->wait;
3073	}	3798	}
3074		3799
3075	my $min = 1e6;#d#	3800	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3087	return;	3804	return;
3088	}	3805	}
3089		3806
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3093		3808
3094	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	3811	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3098	or die;	3813	write_runtime_sync
3099		3814	or warn "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	3815	};
		3816	}
3116		3817
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	3819	$sig->send;
3133	}	3820	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	3822	$sig->send;
3136	}	3823	}
3137		3824
3138	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		3827
3149	_post_tick;	3828	if (0) {
3150		3829	if ($NEXT_TICK) {
3151		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3152	},	3834	}
3153	);	3835	}
3154		3836
3155	{	3837	{
3156	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	3839
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3166		3841	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		3843
3182	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		3851
3185	cf::sync_job {	3852	cf::sync_job {
3186	eval {	3853	eval {
3187	BDB::db_env_open	3854	BDB::db_env_open
3188	$DB_ENV,	3855	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	3859	0666;
3193		3860
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	3862	};
3199		3863
3200	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	3865	};
3202	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3203	}	3877	}
3204		3878
3205	{	3879	{
		3880	# configure IO::AIO
		3881
3206	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	3885	}
3219		3886
3220	my $_log_backtrace;	3887	my $_log_backtrace;
3221		3888
3222	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3225	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3226		3893
3227	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3229	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3230	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3231	my @bt = fork_call {	3901	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3243	}	3913	}
3244		3914
3245	@funcs	3915	@funcs
3246	};	3916	};
3247		3917
3248	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	3921	--$_log_backtrace;
3251	};	3922	};
3252	} else {	3923	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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