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Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	251	for my $pkg (qw(
198	cf::global cf::attachable	252	cf::global cf::attachable
199	cf::object cf::object::player	253	cf::object cf::object::player
200	cf::client cf::player	254	cf::client cf::player
201	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
202	cf::map cf::party cf::region	257	cf::party cf::region
203	)) {	258	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	260	}
207		261
208	$Event::DIED = sub {	262	$EV::DIED = sub {
209	warn "error in event callback: @_";	263	warn "error in event callback: @_";
210	};	264	};
211		265
212	#############################################################################	266	#############################################################################
213		267
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	291	$d
238	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
239	}	293	}
240		294
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
244		296
245	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
246		298
247	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
248		300
249	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
250		309
251	=item cf::lock_wait $string	310	=item cf::lock_wait $string
252		311
253	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
254		313
…		…
257	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
260	returned.	319	returned.
261		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
262	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
264		326
265	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
266		328
267	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
268		330
269	=cut	331	=cut
270		332
271	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
272		335
273	sub lock_wait($) {	336	sub lock_wait($) {
274	my ($key) = @_;	337	my ($key) = @_;
275		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
276	# wait for lock, if any	344	# wait for lock, if any
277	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
278	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	348	Coro::schedule;
280	}	349	}
281	}	350	}
282		351
…		…
285		354
286	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
287	lock_wait $key;	356	lock_wait $key;
288		357
289	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
290		360
291	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
294	}	365	}
295	}	366	}
296		367
…		…
299		370
300	! ! $LOCK{$key}	371	! ! $LOCK{$key}
301	}	372	}
302		373
303	sub freeze_mainloop {	374	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
305		376
306	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
308	};	438	}
309	$TICK_WATCHER->stop;	439	};
310	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
311	}	453	}
312		454
313	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
314		456
315	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		462
321	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
322		464
323	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
324		466
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	470	acceptable.
329		471
330	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		478
337	sub sync_job(&) {	479	sub sync_job(&) {
338	my ($job) = @_;	480	my ($job) = @_;
339		481
340	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	483	my $time = EV::time;
342		484
343	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
345		487
346	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	489
348	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
349		491
350	my $busy = 1;	492	my $busy = 1;
351	my @res;	493	my @res;
352		494
353	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	497	@res = eval { $job->() };
355	warn $@ if $@;	498	warn $@ if $@;
356	undef $busy;	499	undef $busy;
357	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
358		501
359	while ($busy) {	502	while ($busy) {
360	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
361	}	507	}
		508	}
362		509
363	$time = Event::time - $time;	510	my $time = EV::time - $time;
364		511
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
369		513
370	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
371	} else {	515	} else {
372	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
373		517
…		…
398	=item fork_call { }, $args	542	=item fork_call { }, $args
399		543
400	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
404		548
405	=cut	549	=cut
406		550
407	sub fork_call(&@) {	551	sub fork_call(&@) {
408	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
409		553
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	554	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		557
415	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	559	reset_signals;
428	local $SIG{__WARN__};	560	&$cb
429	local $SIG{__DIE__};	561	}, @args;
430	eval {
431	close $fh1;
432		562
433	my @res = eval { $cb->(@args) };	563	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	564	}
435	};
436		565
437	warn $@ if $@;	566	=item $coin = coin_from_name $name
438	_exit 0;	567
439	}	568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
440	}	591	}
441		592
442	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
443		594
444	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
447		598
448	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
451	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
452		625
453	our $DB;	626	our $DB;
454		627
455	sub db_init {	628	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	629	cf::sync_job {
460	eval {	630	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	631	};
470	}	632	}
471		633
472	sub db_get($$) {	634	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
474		636
…		…
524	if (1) {	686	if (1) {
525	$md5 =	687	$md5 =
526	join "\x00",	688	join "\x00",
527	$processversion,	689	$processversion,
528	map {	690	map {
529	Coro::cede;	691	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	693	} 0.. $#$src;
532		694
533		695
534	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		734
573	#############################################################################	735	#############################################################################
574		736
575	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
576		738
577	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
580		742
581	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	745	Deliantra).
584		746
585	=over 4	747	=over 4
586		748
587	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
588		750
…		…
632	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
633		795
634	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
636		798
637	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
639		801
640	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
641		803
642	=over 4	804	=over 4
…		…
840	";	1002	";
841	die if $@;	1003	die if $@;
842	}	1004	}
843		1005
844	our $override;	1006	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1008
847	sub override {	1009	sub override {
848	$override = 1;	1010	$override = 1;
849	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
850	}	1012	}
851		1013
852	sub do_invoke {	1014	sub do_invoke {
853	my $event = shift;	1015	my $event = shift;
854	my $callbacks = shift;	1016	my $callbacks = shift;
855		1017
856	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
857		1019
858	local $override;	1020	local $override;
859		1021
860	for (@$callbacks) {	1022	for (@$callbacks) {
861	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
870	}	1032	}
871		1033
872	0	1034	0
873	}	1035	}
874		1036
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1038
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1040
879	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
880		1042
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1046
885	=back	1047	=back
886		1048
887	=cut	1049	=cut
888		1050
889	#############################################################################	1051	#############################################################################
890	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
891		1095
892	sub reattach {	1096	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1098	my ($obj) = @_;
895		1099
		1100	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1102
898	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
899		1104
900	@$registry = ();	1105	@$registry = ();
901		1106
…		…
916	cf::attachable->attach (	1121	cf::attachable->attach (
917	prio => -1000000,	1122	prio => -1000000,
918	on_instantiate => sub {	1123	on_instantiate => sub {
919	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
920		1125
921	$data = from_json $data;	1126	$data = decode_json $data;
922		1127
923	for (@$data) {	1128	for (@$data) {
924	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
925		1130
926	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1147	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
944		1149
945	sync_job {	1150	sync_job {
946	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
949		1155
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1160	aio_close $fh;
955		1161
956	if (@$objs) {	1162	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1168	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
964	}	1170	}
965	} else {	1171	} else {
966	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
967	}	1173	}
…		…
972	}	1178	}
973	} else {	1179	} else {
974	aio_unlink $filename;	1180	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
976	}	1182	}
977	}	1183	};
978	}	1184	}
979		1185
980	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
982		1188
…		…
994	or return;	1200	or return;
995		1201
996	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
998	or return;	1204	or return;
		1205
999	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1000	}	1208	}
1001		1209
		1210	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1004	return ($data, $av);	1214	($data, $av)
1005	}	1215	}
1006		1216
1007	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1008		1218
1009	=over 4	1219	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1240	}
1031		1241
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1243
1034	Register a callback fro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
1035		1249
1036	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
1037	called.	1251	called.
1038		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
1039	=cut	1264	=cut
1040		1265
1041	sub register_extcmd {	1266	sub register_extcmd {
1042	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
1043		1268
1044	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
1045	}	1276	}
1046		1277
1047	cf::player->attach (	1278	cf::player->attach (
1048	on_command => sub {	1279	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1289	cf::override;
1059	},	1290	},
1060	on_extcmd => sub {	1291	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1062		1293
1063	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1295
1065	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1071	} else {	1311	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1313	}
1074		1314
1075	cf::override;	1315	cf::override;
…		…
1102		1342
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1345
1106	$ext{source} =	1346	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1109	. $source	1349	. $source
1110	. "\n};\n1";	1350	. "\n};\n1";
1111		1351
1112	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1130		1370
1131	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1372	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1374	}
1136		1375
1137	warn $msg;	1376	warn $msg;
1138	}	1377	}
1139		1378
…		…
1153		1392
1154	=back	1393	=back
1155		1394
1156	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1157		1396
1158	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1159		1398
1160	=cut	1399	=cut
1161		1400
1162	package cf::player;	1401	package cf::player;
1163		1402
1164	use Coro::AIO;	1403	use Coro::AIO;
1165		1404
1166	=head3 cf::player	1405	=head3 cf::player
1167		1406
1168	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1169		1422
1170	=item cf::player::find $login	1423	=item cf::player::find $login
1171		1424
1172	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1173		1426
…		…
1192		1445
1193	sub exists($) {	1446	sub exists($) {
1194	my ($login) = @_;	1447	my ($login) = @_;
1195		1448
1196	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1198	}	1451	}
1199		1452
1200	sub find($) {	1453	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1455	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1466
1214	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1217	}	1476	}
1218	}	1477	}
1219	}	1478	}
1220		1479
…		…
1229	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1230		1489
1231	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1233		1492
		1493	cf::get_slot 0.01;
		1494
1234	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1235	Coro::cede;	1496	cf::cede_to_tick;
1236	}	1497	}
1237		1498
1238	sub new($) {	1499	sub new($) {
1239	my ($login) = @_;	1500	my ($login) = @_;
1240		1501
…		…
1246	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1247		1508
1248	$self	1509	$self
1249	}	1510	}
1250		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1251	=item $pl->quit_character	1522	=item $pl->quit_character
1252		1523
1253	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1255		1526
…		…
1259	my ($pl) = @_;	1530	my ($pl) = @_;
1260		1531
1261	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1262		1533
1263	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1536
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1270		1543
1271	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1581	or return [];
1309		1582
1310	my @logins;	1583	my @logins;
1311		1584
1312	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1316		1595
1317	utf8::decode $login;	1596	utf8::decode $login;
1318	push @logins, $login;	1597	push @logins, $login;
1319	}	1598	}
1320		1599
…		…
1347	}	1626	}
1348		1627
1349	\@paths	1628	\@paths
1350	}	1629	}
1351		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1352	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1353		1636
1354	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1355		1638
1356	=cut	1639	=cut
1357		1640
1358	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1360		1643
1361	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1645	}
1365		1646
1366	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1367		1648
1368	Sends an ext event to the client.	1649	Sends an ext event to the client.
1369		1650
1370	=cut	1651	=cut
1371		1652
1372	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1374		1655
1375	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1376	}	1657	}
1377		1658
1378	=head3 cf::region	1659	=head3 cf::region
1379		1660
1380	=over 4	1661	=over 4
…		…
1393	my ($path) = @_;	1674	my ($path) = @_;
1394		1675
1395	my ($match, $specificity);	1676	my ($match, $specificity);
1396		1677
1397	for my $region (list) {	1678	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1401	}	1682	}
1402	}	1683	}
1403		1684
…		…
1424	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1426		1707
1427	sub generate_random_map {	1708	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1429	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1714	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1523	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1524	return $self;	1808	return $self;
1525	}	1809	}
1526	}	1810	}
1527		1811
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1813	()
1530	}	1814	}
1531		1815
1532	sub init {	1816	sub init {
1533	my ($self) = @_;	1817	my ($self) = @_;
…		…
1555		1839
1556	# the temporary/swap location	1840	# the temporary/swap location
1557	sub save_path {	1841	sub save_path {
1558	my ($self) = @_;	1842	my ($self) = @_;
1559		1843
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1562	}	1846	}
1563		1847
1564	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1565	sub uniq_path {	1849	sub uniq_path {
1566	my ($self) = @_;	1850	my ($self) = @_;
1567		1851
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1570	}	1854	}
1571		1855
1572	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1573	# all maps in C++...	1857	# all maps in C++...
…		…
1596		1880
1597	sub load_header_from($) {	1881	sub load_header_from($) {
1598	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1599		1883
1600	utf8::encode $path;	1884	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1606		1893
1607	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1608		1895
1609	1	1896	1
1610	}	1897	}
…		…
1664	sub find {	1951	sub find {
1665	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1666		1953
1667	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1668		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1670		1958
1671	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1672	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1673	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1674	or return;	1964	or return;
1675		1965
1676	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1677		1967
…		…
1679	or return;	1969	or return;
1680		1970
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1684	$map->reset;	1976	$map->reset;
1685	undef $guard;
1686	return find $path;	1977	return find $path;
1687	}	1978	}
1688		1979
1689	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1690	}	1981	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1700		1991
1701	my $path = $self->{path};	1992	my $path = $self->{path};
1702		1993
1703	{	1994	{
1704	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1705		1996
		1997	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		1999
1708	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1709		2001
1710	$self->alloc;	2002	$self->alloc;
1711		2003
1712	$self->pre_load;	2004	$self->pre_load;
1713	Coro::cede;	2005	cf::cede_to_tick;
1714		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1716	or return;	2010	or return;
1717		2011
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1719	if delete $self->{load_original};	2013	if delete $self->{load_original};
1720		2014
1721	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2016	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2019	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1726	}	2023	}
1727	}	2024	}
1728		2025
1729	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1730	# now do the right thing for maps	2029	# now do the right thing for maps
1731	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2032	unless $self->difficulty;
1734	Coro::cede;	2033	cf::cede_to_tick;
1735		2034
1736	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2036	$self->decay_objects;
1738	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1739	$self->update_buttons;	2038	$self->update_buttons;
1740	Coro::cede;	2039	cf::cede_to_tick;
1741	$self->set_darkness_map;	2040	$self->set_darkness_map;
1742	Coro::cede;	2041	cf::cede_to_tick;
1743	$self->activate;	2042	$self->activate;
1744	}	2043	}
1745		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2049	}
1748		2050
1749	$self->post_load;	2051	$self->post_load;
1750	}	2052	}
1751		2053
…		…
1760		2062
1761	$self	2063	$self
1762	}	2064	}
1763		2065
1764	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2067	sub load_neighbours {
1766	my ($map) = @_;	2068	my ($map) = @_;
1767		2069
1768	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1769		2071
1770	for (0 .. 3) {	2072	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1772	or next;	2074	or next;
1773	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1774	or next;	2076	or next;
1775	$neigh->load;	2077	$neigh->load;
1776		2078
		2079	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2082	}
1780		2083
1781	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1783	or next;	2087	or next;
1784	$neigh->load;	2088	$neigh->load;
1785	}	2089	}
1786	}	2090	}
1787		2091
…		…
1792	}	2096	}
1793		2097
1794	sub do_load_sync {	2098	sub do_load_sync {
1795	my ($map) = @_;	2099	my ($map) = @_;
1796		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1797	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1798	}	2105	}
1799		2106
1800	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1802		2109
1803	sub find_async {	2110	sub find_async {
1804	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1805		2112
1806	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1807		2114
1808	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2117	}
1811		2118
1812	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1813	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1814	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2126	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2127	$map->load if $v;
		2128	}
1819		2129
1820	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1821	}	2131	}
1822	}	2132	}
1823	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1824	};	2134	};
1825	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2138	}
1829		2139
1830	sub save {	2140	sub save {
1831	my ($self) = @_;	2141	my ($self) = @_;
1832		2142
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2144
1835	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1836		2146
1837	return unless $self->dirty;	2147	return unless $self->dirty;
1838		2148
…		…
1844	return if $self->{deny_save};	2154	return if $self->{deny_save};
1845		2155
1846	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1847		2157
1848	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1850	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1851		2164
1852	if ($uniq) {	2165	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2168	} else {
…		…
1861	my ($self) = @_;	2174	my ($self) = @_;
1862		2175
1863	# save first because save cedes	2176	# save first because save cedes
1864	$self->save;	2177	$self->save;
1865		2178
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2180
1868	return if $self->players;	2181	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2183	return if $self->{deny_save};
1871		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2189	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2190	}
1875		2191
1876	sub reset_at {	2192	sub reset_at {
1877	my ($self) = @_;	2193	my ($self) = @_;
1878		2194
…		…
1910	if $uniq;	2226	if $uniq;
1911	}	2227	}
1912		2228
1913	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1914		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2233	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2234
1919	$self->unlink_save;	2235	$self->unlink_save;
1920	$self->destroy;	2236	$self->destroy;
1921	}	2237	}
1922		2238
1923	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1924		2240
1925	sub nuke {	2241	sub nuke {
1926	my ($self) = @_;	2242	my ($self) = @_;
1927		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1928	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1929		2248
1930	$self->unlink_save;	2249	$self->unlink_save;
1931		2250
1932	bless $self, "cf::map";	2251	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2256
1938	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1939		2259
1940	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
1941	}	2261	}
1942		2262
1943	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
1985		2305
1986	sub unique_maps() {	2306	sub unique_maps() {
1987	[	2307	[
1988	map {	2308	map {
1989	utf8::decode $_;	2309	utf8::decode $_;
1990	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
1991	? normalise $_	2313	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2315	]
1995	}	2316	}
1996		2317
1997	package cf;
1998
1999	=back	2318	=back
2000		2319
2001	=head3 cf::object	2320	=head3 cf::object
2002		2321
2003	=cut	2322	=cut
…		…
2006		2325
2007	=over 4	2326	=over 4
2008		2327
2009	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2010		2329
2011	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2012		2332
2013	=cut	2333	=cut
2014		2334
2015	sub inv_recursive_;	2335	sub inv_recursive_;
2016	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2019		2339
2020	sub inv_recursive {	2340	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2022	}	2342	}
2023		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
2024	package cf;	2372	package cf;
2025		2373
2026	=back	2374	=back
2027		2375
2028	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2037		2385
2038	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
2039		2401
2040	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2403	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2045		2407
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2409
2048	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
2050	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
2053	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
2054	}	2435	}
2055		2436
2056	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2057		2438
2058	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2071		2452
2072	=item $player_object->enter_link	2453	=item $player_object->enter_link
2073		2454
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2456
2076	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2078		2461
2079	Will never block.	2462	Will never block.
2080		2463
2081	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2082		2465
…		…
2137	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2140		2523
2141	$map->load;	2524	$map->load;
2142	$map->load_diag;	2525	$map->load_neighbours;
2143		2526
2144	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2145	$self->activate_recursive;	2529	$self->activate_recursive;
2146		2530
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2149	}	2533	}
2150		2534
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2536
2153	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
2157		2545
2158	=cut	2546	=cut
2159		2547
2160	our $GOTOGEN;	2548	our $GOTOGEN;
2161		2549
2162	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2552
2165	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2555
2168	$self->enter_link;	2556	$self->enter_link;
2169		2557
2170	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2171	my $map = eval {	2580	my $map = eval {
2172	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2173		2582
2174	if ($map) {	2583	if ($map) {
2175	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2177	} else {	2586	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2588	}
2180		2589
2181	$map	2590	$map
2182	};	2591	};
2183		2592
…		…
2188		2597
2189	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2192	}	2601	}
		2602
		2603	$done->() if $done;
2193	})->prio (1);	2604	})->prio (1);
2194	}	2605	}
2195		2606
2196	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2197		2608
…		…
2217	}	2628	}
2218		2629
2219	sub prepare_random_map {	2630	sub prepare_random_map {
2220	my ($exit) = @_;	2631	my ($exit) = @_;
2221		2632
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2635	# that depends on the exit object
2227		2636
2228	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2639	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2235	}	2646	}
2236		2647
2237	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2238		2649
2239	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2242		2653
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2656	undef $fh;
2246	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2247		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2250	}	2665	}
2251	}	2666	}
2252		2667
2253	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2255		2670
2256	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2257		2672
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2673	$self->enter_link;
2270		2674
2271	(async {	2675	(async {
2272	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2273	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2274	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2275		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2276	1;	2699	1
2277	}) {	2700	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2705
2283	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2302		2725
2303	utf8::encode $text;	2726	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2728	}
2306		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2307	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2308		2882
2309	Sends an exti event to the client.	2883	Sends an ext event to the client.
2310		2884
2311	=cut	2885	=cut
2312		2886
2313	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2315		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2318	}	2914	}
2319		2915
2320	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2321		2917
2322	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		2921
2326	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	2923	become reliable at some point in the future.
2328		2924
2329	=cut	2925	=cut
2330		2926
2331	sub cf::client::query {	2927	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	2936	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		2938
2343	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2345	}	2943	}
2346		2944
2347	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2348	on_reply => sub {	2951	on_reply => sub {
2349	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2350		2953
2351	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2352	# get handled first	2955	# get handled first
…		…
2364	} else {	2967	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	2969	}
2367	}	2970	}
2368	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2369	);	2998	);
2370		2999
2371	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2372		3001
2373	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2414	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2416		3045
2417	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2418		3047
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2420		3053
2421	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2422		3055
2423	=pod	3056	=pod
2424		3057
2425	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2426		3059
2427	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2428	cf::object::player player	3064	cf::object::player
2429	cf::player peaceful	3065	player
2430	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2431		3072
2432	=cut	3073	=cut
2433		3074
2434	for (	3075	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2436	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2438	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2439	) {	3082	) {
2440	no strict 'refs';	3083	no strict 'refs';
…		…
2516	# the server's init and main functions	3159	# the server's init and main functions
2517		3160
2518	sub load_facedata($) {	3161	sub load_facedata($) {
2519	my ($path) = @_;	3162	my ($path) = @_;
2520		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2521	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2522		3171
2523	my $facedata;	3172	my $facedata;
2524	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3174	or die "$path: $!";
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2528		3177
2529	$facedata->{version} == 2	3178	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2532	{	3188	{
2533	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2534		3190
2535	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540	Coro::cede;	3198
		3199	cf::cede_to_tick;
2541	}	3200	}
2542		3201
2543	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2545	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2546	or next;	3206	or next;
		3207
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3211	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3213	}
2552	Coro::cede;	3214
		3215	cf::cede_to_tick;
2553	}	3216	}
2554	}	3217	}
2555		3218
2556	{	3219	{
2557	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2558		3221
2559	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3224	cf::cede_to_tick;
2562	}	3225	}
2563		3226
2564	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2565	}	3228	}
2566		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2567	1	3265	1
2568	}	3266	}
2569		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2570	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2571	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2573	}	3318	}
2574		3319
2575	sub reload_facedata {	3320	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2588	}	3333	}
2589		3334
2590	sub reload_resources {	3335	sub reload_resources {
2591	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2592		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2593	reload_regions;	3340	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3341	reload_treasures;
2598		3342
2599	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2600	}	3344	}
2601		3345
2602	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2603	reload_resources;	3351	reload_resources;
2604	}	3352	}
2605		3353
2606	sub cfg_load {	3354	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3356	or return;
2609		3357
2610	local $/;	3358	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2612		3360
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3362
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2622	};	3370	};
2623	warn $@ if $@;	3371	warn $@ if $@;
2624	}	3372	}
2625	}	3373	}
2626		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2627	sub main {	3394	sub main {
		3395	atomic;
		3396
2628	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3400	(async {
2632	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2634	};	3404	};
2635		3405
2636	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2637	db_init;	3409	db_init;
2638	load_extensions;	3410	load_extensions;
2639		3411
2640	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2641	Event::loop;	3420	EV::loop;
2642	}	3421	}
2643		3422
2644	#############################################################################	3423	#############################################################################
2645	# initialisation and cleanup	3424	# initialisation and cleanup
2646		3425
2647	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2648	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2657	},
2658	);	3432	};
2659	}	3433	}
2660	}	3434	}
2661		3435
2662	sub write_runtime {	3436	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";
2664
2665	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2667		3439
2668	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3441
2670	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2671		3443
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2673	or return;	3445	or return;
2674		3446
2675	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2688		3460
2689	close $fh	3461	close $fh
2690	or return;	3462	or return;
2691		3463
2692	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3465	and return;
2694		3466
2695	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2696		3468
2697	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2698	}	3513	}
2699		3514
2700	sub emergency_save() {	3515	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2702		3517
…		…
2708	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3529	$pl->save;
2714	}	3530	}
2715	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2716		3532
2717	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2724		3540
2725	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2728	};	3548	};
2729		3549
2730	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2731	}	3551	}
2732		3552
2733	sub post_cleanup {	3553	sub post_cleanup {
2734	my ($make_core) = @_;	3554	my ($make_core) = @_;
2735		3555
2736	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2738	}	3587	}
2739		3588
2740	sub do_reload_perl() {	3589	sub do_reload_perl() {
2741	# can/must only be called in main	3590	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2744	return;	3593	return;
2745	}	3594	}
2746		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2747	warn "reloading...";	3599	warn "reloading...";
2748		3600
2749	warn "entering sync_job";	3601	warn "entering sync_job";
2750		3602
2751	cf::sync_job {	3603	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3605	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2755		3607
2756	warn "syncing database to disk";	3608	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3610
2759	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2760		3612
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3616	}
2797		3617
2798	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2800	}	3620	%EXT_CORO = ();
2801		3621
2802	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3631	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3632
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2813	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2814	}	3642	}
2815		3643
2816	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2817	}	3659	}
2818		3660
2819	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3664
2823	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2826		3668
2827	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3670	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2830		3672
2831	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2832		3674
2833	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2834	require cf;	3676	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3678
2837	warn "loading config and database again";	3679	warn "loading config and database again";
2838	cf::cfg_load;	3680	cf::reload_config;
2839		3681
2840	warn "loading extensions";	3682	warn "loading extensions";
2841	cf::load_extensions;	3683	cf::load_extensions;
2842		3684
2843	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2849		3691
2850	warn "leaving sync_job";	3692	warn "leaving sync_job";
2851		3693
2852	1	3694	1
2853	} or do {	3695	} or do {
2854	warn $@;	3696	warn $@;
2855	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3698	};
2858		3699
2859	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2860	};	3703	};
2861		3704
2862	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2863		3706
2864	sub reload_perl() {	3707	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2867		3710
2868	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3712	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2875	},
2876	);	3714	};
2877	}	3715	}
2878		3716
2879	register_command "reload" => sub {	3717	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2881		3719
2882	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3724	reload_perl;
		3725	};
2885	}	3726	}
2886	};	3727	};
2887		3728
2888	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2889		3730
…		…
2891		3732
2892	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2894		3735
2895	sub wait_for_tick {	3736	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3738
2899	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3741	$signal->wait;
2902	}	3742	}
2903		3743
2904	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3746
2908	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3749	$signal->wait;
2911	}	3750	}
2912		3751
2913	my $min = 1e6;#d#	3752	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2925	return;	3756	return;
2926	}	3757	}
2927		3758
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2931		3760
2932	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3763	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2936	or die;	3765	write_runtime_sync
2937		3766	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3767	};
		3768	}
2954		3769
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3771	$sig->send;
2971	}	3772	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3774	$sig->send;
2974	}	3775	}
2975		3776
2976	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3779
2987	_post_tick;	3780	if (0) {
2988		3781	if ($NEXT_TICK) {
2989		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2990	},	3786	}
2991	);	3787	}
2992		3788
2993	{	3789	{
2994	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3791
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3004		3793	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3795
3020	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3803
3023	cf::sync_job {	3804	cf::sync_job {
3024	eval {	3805	eval {
3025	BDB::db_env_open	3806	BDB::db_env_open
3026	$DB_ENV,	3807	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3811	0666;
3031		3812
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3814	};
3037		3815
3038	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3817	};
3040	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3041	}	3829	}
3042		3830
3043	{	3831	{
		3832	# configure IO::AIO
		3833
3044	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3837	}
3057		3838
3058	my $_log_backtrace;	3839	my $_log_backtrace;
3059		3840
3060	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3064		3845
3065	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3068	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3069	my @bt = fork_call {	3853	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3081	}	3865	}
3082		3866
3083	@funcs	3867	@funcs
3084	};	3868	};
3085		3869
3086	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3873	--$_log_backtrace;
3089	};	3874	};
3090	} else {	3875	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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