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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.460 by root, Mon Dec 15 17:04:53 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
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
34		65
35	# configure various modules to our taste	66	# configure various modules to our taste
36	#	67	#
37	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		76
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		78
50	our %COMMAND = ();	79	our %COMMAND = ();
51	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	83	our %EXTCMD = ();
55	our %EXTICMD = ();	84	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
58		87
59	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	89	our @EVENT;
61		90
62	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	92	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
73		106
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	109	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	115	our $DB_ENV;
84		116
85	our %CFG;	117	our %CFG;
86		118
87	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
89		122
90	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
93		126
94	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		129
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		138
101	binmode STDOUT;	139	binmode STDOUT;
102	binmode STDERR;	140	binmode STDERR;
103		141
104	# read virtual server time, if available	142	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
109	}	147	}
110		148
111	mkdir $_	149	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		195
158	The raw value load value from the last tick.	196	The raw value load value from the last tick.
159		197
160	=item %cf::CFG	198	=item %cf::CFG
161		199
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	201	from wherever your confdir points to.
164		202
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		204
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
171	=back	215	=back
172		216
173	=cut	217	=cut
174		218
175	BEGIN {	219	BEGIN {
…		…
179	$msg .= "\n"	223	$msg .= "\n"
180	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
181		225
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		227
184	utf8::encode $msg;
185	LOG llevError, $msg;	228	LOG llevError, $msg;
186	};	229	};
187	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
188		246
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	257	for my $pkg (qw(
200	cf::global cf::attachable	258	cf::global cf::attachable
201	cf::object cf::object::player	259	cf::object cf::object::player
202	cf::client cf::player	260	cf::client cf::player
203	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
204	cf::map cf::party cf::region	263	cf::party cf::region
205	)) {	264	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	266	}
209		267
210	$Event::DIED = sub {	268	$EV::DIED = sub {
211	warn "error in event callback: @_";	269	warn "error in event callback: @_";
212	};	270	};
213		271
214	#############################################################################	272	#############################################################################
215		273
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	297	$d
240	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
241	}	299	}
242		300
243	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
244		302
245	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
246		304
247	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
248		306
249	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
250		308
251	=cut	309	=cut
252		310
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		312
255	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
257		329
258	=item cf::lock_wait $string	330	=item cf::lock_wait $string
259		331
260	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
261		333
262	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
263		335
264	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
267	returned.	339	returned.
268		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
269	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
271		346
272	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
273		348
274	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
275		350
276	=cut	351	=cut
277		352
278	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
279		354
280	sub lock_wait($) {	355	sub lock_wait($) {
281	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	357	}
289		358
290	sub lock_acquire($) {	359	sub lock_acquire($) {
291	my ($key) = @_;	360	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	361	}
303		362
304	sub lock_active($) {	363	sub lock_active($) {
305	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	365	}
309		366
310	sub freeze_mainloop {	367	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
312		369
313	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
315	};	431	}
316	$TICK_WATCHER->stop;	432	};
317	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
318	}	446	}
319		447
320	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
321		449
322	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		455
328	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
329		457
330	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
331		459
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	463	acceptable.
336		464
337	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		471
344	sub sync_job(&) {	472	sub sync_job(&) {
345	my ($job) = @_;	473	my ($job) = @_;
346		474
347	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	476	my $time = EV::time;
349		477
350	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
352		480
353	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	482
355	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
356		484
357	my $busy = 1;	485	my $busy = 1;
358	my @res;	486	my @res;
359		487
360	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	490	@res = eval { $job->() };
362	warn $@ if $@;	491	warn $@ if $@;
363	undef $busy;	492	undef $busy;
364	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
365		494
366	while ($busy) {	495	while ($busy) {
367	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
368	}	500	}
		501	}
369		502
370	$time = Event::time - $time;	503	my $time = EV::time - $time;
371		504
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
376		506
377	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
378	} else {	508	} else {
379	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
380		510
…		…
405	=item fork_call { }, $args	535	=item fork_call { }, $args
406		536
407	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
411		541
412	=cut	542	=cut
413		543
414	sub fork_call(&@) {	544	sub fork_call(&@) {
415	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
416		546
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		550
422	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	552	reset_signals;
436	local $SIG{__WARN__};	553	&$cb
437	local $SIG{__DIE__};	554	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		555
443	my @res = eval { $cb->(@args) };	556	wantarray ? @res : $res[-1]
		557	}
444		558
445	open my $fh, ">", \my $buf	559	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		560
450	warn "writing ", length $buf;	561	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		562
457	warn $@ if $@;	563	our %coin_alias = (
458	_exit 0;	564	"silver" => "silvercoin",
459	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
460	}	584	}
461		585
462	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
463		587
464	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
467		591
468	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
471	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
472		618
473	our $DB;	619	our $DB;
474		620
475	sub db_init {	621	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	622	cf::sync_job {
480	eval {	623	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	624	};
490	}	625	}
491		626
492	sub db_get($$) {	627	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
494		629
…		…
544	if (1) {	679	if (1) {
545	$md5 =	680	$md5 =
546	join "\x00",	681	join "\x00",
547	$processversion,	682	$processversion,
548	map {	683	map {
549	Coro::cede;	684	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	686	} 0.. $#$src;
552		687
553		688
554	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		727
593	#############################################################################	728	#############################################################################
594		729
595	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
596		731
597	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
600		735
601	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	738	Deliantra).
604		739
605	=over 4	740	=over 4
606		741
607	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
608		743
…		…
652	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
653		788
654	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
656		791
657	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
659		794
660	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
661		796
662	=over 4	797	=over 4
…		…
860	";	995	";
861	die if $@;	996	die if $@;
862	}	997	}
863		998
864	our $override;	999	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1001
867	sub override {	1002	sub override {
868	$override = 1;	1003	$override = 1;
869	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
870	}	1005	}
871		1006
872	sub do_invoke {	1007	sub do_invoke {
873	my $event = shift;	1008	my $event = shift;
874	my $callbacks = shift;	1009	my $callbacks = shift;
875		1010
876	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
877		1012
878	local $override;	1013	local $override;
879		1014
880	for (@$callbacks) {	1015	for (@$callbacks) {
881	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
890	}	1025	}
891		1026
892	0	1027	0
893	}	1028	}
894		1029
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1031
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1033
899	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
900		1035
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1039
905	=back	1040	=back
906		1041
907	=cut	1042	=cut
908		1043
909	#############################################################################	1044	#############################################################################
910	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
911		1088
912	sub reattach {	1089	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1091	my ($obj) = @_;
915		1092
		1093	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1095
918	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
919		1097
920	@$registry = ();	1098	@$registry = ();
921		1099
…		…
936	cf::attachable->attach (	1114	cf::attachable->attach (
937	prio => -1000000,	1115	prio => -1000000,
938	on_instantiate => sub {	1116	on_instantiate => sub {
939	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
940		1118
941	$data = from_json $data;	1119	$data = decode_json $data;
942		1120
943	for (@$data) {	1121	for (@$data) {
944	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
945		1123
946	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1140	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
964		1142
965	sync_job {	1143	sync_job {
966	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
969		1148
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1153	aio_close $fh;
975		1154
976	if (@$objs) {	1155	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1161	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
984	}	1163	}
985	} else {	1164	} else {
986	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
987	}	1166	}
988		1167
989	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1172	} else {
991	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
992	}	1174	}
993	} else {	1175	} else {
994	aio_unlink $filename;	1176	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
996	}	1178	}
997	}	1179	};
998	}	1180	}
999		1181
1000	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1002		1184
…		…
1014	or return;	1196	or return;
1015		1197
1016	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1200	or return;
		1201
1019	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1020	}	1204	}
1021		1205
		1206	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1024	return ($data, $av);	1210	($data, $av)
1025	}	1211	}
1026		1212
1027	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1028		1214
1029	=over 4	1215	=over 4
…		…
1083	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1084		1270
1085	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1086	}	1272	}
1087		1273
		1274	use File::Glob ();
		1275
1088	cf::player->attach (	1276	cf::player->attach (
1089	on_command => sub {	1277	on_command => sub {
1090	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1091		1279
1092	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1102	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1103		1291
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1293
1106	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1112	} else {	1309	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1311	}
1115		1312
1116	cf::override;	1313	cf::override;
1117	},	1314	},
1118	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1119		1329
1120	sub load_extensions {	1330	sub load_extensions {
1121	cf::sync_job {	1331	cf::sync_job {
1122	my %todo;	1332	my %todo;
1123		1333
…		…
1143		1353
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1356
1147	$ext{source} =	1357	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1150	. $source	1360	. $source
1151	. "\n};\n1";	1361	. "\n};\n1";
1152		1362
1153	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1171		1381
1172	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1383	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1385	}
1177		1386
1178	warn $msg;	1387	warn $msg;
1179	}	1388	}
1180		1389
…		…
1194		1403
1195	=back	1404	=back
1196		1405
1197	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1198		1407
1199	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1200		1409
1201	=cut	1410	=cut
1202		1411
1203	package cf::player;	1412	package cf::player;
1204		1413
1205	use Coro::AIO;	1414	use Coro::AIO;
1206		1415
1207	=head3 cf::player	1416	=head3 cf::player
1208		1417
1209	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1210		1433
1211	=item cf::player::find $login	1434	=item cf::player::find $login
1212		1435
1213	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1214		1437
…		…
1233		1456
1234	sub exists($) {	1457	sub exists($) {
1235	my ($login) = @_;	1458	my ($login) = @_;
1236		1459
1237	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1239	}	1462	}
1240		1463
1241	sub find($) {	1464	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1466	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1477
1255	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1258	}	1487	}
1259	}	1488	}
1260	}	1489	}
1261		1490
…		…
1270	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1271		1500
1272	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1274		1503
		1504	cf::get_slot 0.01;
		1505
1275	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1276	Coro::cede;	1507	cf::cede_to_tick;
1277	}	1508	}
1278		1509
1279	sub new($) {	1510	sub new($) {
1280	my ($login) = @_;	1511	my ($login) = @_;
1281		1512
…		…
1287	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1288		1519
1289	$self	1520	$self
1290	}	1521	}
1291		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1292	=item $pl->quit_character	1533	=item $pl->quit_character
1293		1534
1294	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1296		1537
…		…
1300	my ($pl) = @_;	1541	my ($pl) = @_;
1301		1542
1302	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1303		1544
1304	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1547
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1311		1554
1312	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1592	or return [];
1350		1593
1351	my @logins;	1594	my @logins;
1352		1595
1353	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1357		1606
1358	utf8::decode $login;	1607	utf8::decode $login;
1359	push @logins, $login;	1608	push @logins, $login;
1360	}	1609	}
1361		1610
…		…
1388	}	1637	}
1389		1638
1390	\@paths	1639	\@paths
1391	}	1640	}
1392		1641
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1643
1395	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1396		1645
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1444		1647
1445	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1446		1649
1447	=cut	1650	=cut
1448		1651
1449	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1451		1654
1452	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1656	}
1455		1657
1456	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1457		1659
1458	Sends an ext event to the client.	1660	Sends an ext event to the client.
1459		1661
1460	=cut	1662	=cut
1461		1663
1462	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1464		1666
1465	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1466	}	1668	}
1467		1669
1468	=head3 cf::region	1670	=head3 cf::region
1469		1671
1470	=over 4	1672	=over 4
…		…
1483	my ($path) = @_;	1685	my ($path) = @_;
1484		1686
1485	my ($match, $specificity);	1687	my ($match, $specificity);
1486		1688
1487	for my $region (list) {	1689	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1491	}	1693	}
1492	}	1694	}
1493		1695
…		…
1514	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1516		1718
1517	sub generate_random_map {	1719	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1519	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1725	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1614	return $self;	1819	return $self;
1615	}	1820	}
1616	}	1821	}
1617		1822
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1824	()
1620	}	1825	}
1621		1826
1622	sub init {	1827	sub init {
1623	my ($self) = @_;	1828	my ($self) = @_;
…		…
1645		1850
1646	# the temporary/swap location	1851	# the temporary/swap location
1647	sub save_path {	1852	sub save_path {
1648	my ($self) = @_;	1853	my ($self) = @_;
1649		1854
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1652	}	1857	}
1653		1858
1654	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1655	sub uniq_path {	1860	sub uniq_path {
1656	my ($self) = @_;	1861	my ($self) = @_;
1657		1862
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1660	}	1865	}
1661		1866
1662	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1663	# all maps in C++...	1868	# all maps in C++...
…		…
1686		1891
1687	sub load_header_from($) {	1892	sub load_header_from($) {
1688	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1689		1894
1690	utf8::encode $path;	1895	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1696		1904
1697	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1698		1906
1699	1	1907	1
1700	}	1908	}
…		…
1754	sub find {	1962	sub find {
1755	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1756		1964
1757	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1758		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1760		1969
1761	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1764	or return;	1972	or return;
1765		1973
1766	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1767		1975
…		…
1769	or return;	1977	or return;
1770		1978
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1774	$map->reset;	1984	$map->reset;
1775	undef $guard;
1776	return find $path;	1985	return find $path;
1777	}	1986	}
1778		1987
1779	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1780	}	1989	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1790		1999
1791	my $path = $self->{path};	2000	my $path = $self->{path};
1792		2001
1793	{	2002	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1795		2004
		2005	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2007
1798	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1799		2009
1800	$self->alloc;	2010	$self->alloc;
1801		2011
1802	$self->pre_load;	2012	$self->pre_load;
1803	Coro::cede;	2013	cf::cede_to_tick;
1804		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2017	$self->_load_objects ($f)
1806	or return;	2018	or return;
1807		2019
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1809	if delete $self->{load_original};	2021	if delete $self->{load_original};
1810		2022
1811	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2024	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2027	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1816	}	2031	}
1817	}	2032	}
1818		2033
1819	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1820	# now do the right thing for maps	2037	# now do the right thing for maps
1821	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2040	unless $self->difficulty;
1824	Coro::cede;	2041	cf::cede_to_tick;
1825		2042
1826	unless ($self->{deny_activate}) {	2043	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2044	$self->decay_objects;
1828	$self->fix_auto_apply;	2045	$self->fix_auto_apply;
1829	$self->update_buttons;	2046	$self->update_buttons;
1830	Coro::cede;	2047	cf::cede_to_tick;
1831	$self->set_darkness_map;	2048	$self->set_darkness_map;
1832	Coro::cede;	2049	cf::cede_to_tick;
1833	$self->activate;	2050	$self->activate;
1834	}	2051	}
1835		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2057	}
1838		2058
1839	$self->post_load;	2059	$self->post_load;
1840	}	2060	}
1841		2061
…		…
1850		2070
1851	$self	2071	$self
1852	}	2072	}
1853		2073
1854	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2075	sub load_neighbours {
1856	my ($map) = @_;	2076	my ($map) = @_;
1857		2077
1858	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1859		2079
1860	for (0 .. 3) {	2080	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1862	or next;	2082	or next;
1863	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1864	or next;	2084	or next;
1865	$neigh->load;	2085	$neigh->load;
1866		2086
		2087	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2090	}
1870		2091
1871	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1873	or next;	2095	or next;
1874	$neigh->load;	2096	$neigh->load;
1875	}	2097	}
1876	}	2098	}
1877		2099
…		…
1882	}	2104	}
1883		2105
1884	sub do_load_sync {	2106	sub do_load_sync {
1885	my ($map) = @_;	2107	my ($map) = @_;
1886		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1887	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1888	}	2113	}
1889		2114
1890	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1892		2117
1893	sub find_async {	2118	sub find_async {
1894	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1895		2120
1896	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1897		2122
1898	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2125	}
1901		2126
1902	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1903	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1904	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2134	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2135	$map->load if $v;
		2136	}
1909		2137
1910	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1911	}	2139	}
1912	}	2140	}
1913	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1914	};	2142	};
1915	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2146	}
1919		2147
1920	sub save {	2148	sub save {
1921	my ($self) = @_;	2149	my ($self) = @_;
1922		2150
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2152
1925	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1926		2154
1927	return unless $self->dirty;	2155	return unless $self->dirty;
1928		2156
…		…
1934	return if $self->{deny_save};	2162	return if $self->{deny_save};
1935		2163
1936	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1937		2165
1938	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1940	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1941		2172
1942	if ($uniq) {	2173	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2176	} else {
…		…
1951	my ($self) = @_;	2182	my ($self) = @_;
1952		2183
1953	# save first because save cedes	2184	# save first because save cedes
1954	$self->save;	2185	$self->save;
1955		2186
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2188
1958	return if $self->players;	2189	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2191	return if $self->{deny_save};
1961		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2197	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2198	}
1965		2199
1966	sub reset_at {	2200	sub reset_at {
1967	my ($self) = @_;	2201	my ($self) = @_;
1968		2202
…		…
2000	if $uniq;	2234	if $uniq;
2001	}	2235	}
2002		2236
2003	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2004		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2241	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2242
2009	$self->unlink_save;	2243	$self->unlink_save;
2010	$self->destroy;	2244	$self->destroy;
2011	}	2245	}
2012		2246
2013	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
2014		2248
2015	sub nuke {	2249	sub nuke {
2016	my ($self) = @_;	2250	my ($self) = @_;
2017		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
2018	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
2019		2256
2020	$self->unlink_save;	2257	$self->unlink_save;
2021		2258
2022	bless $self, "cf::map";	2259	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2264
2028	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
2029		2267
2030	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2031	}	2269	}
2032		2270
2033	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2075		2313
2076	sub unique_maps() {	2314	sub unique_maps() {
2077	[	2315	[
2078	map {	2316	map {
2079	utf8::decode $_;	2317	utf8::decode $_;
2080	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2081	? normalise $_	2321	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2323	]
2085	}	2324	}
2086		2325
2087	package cf;
2088
2089	=back	2326	=back
2090		2327
2091	=head3 cf::object	2328	=head3 cf::object
2092		2329
2093	=cut	2330	=cut
…		…
2096		2333
2097	=over 4	2334	=over 4
2098		2335
2099	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2100		2337
2101	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2102		2340
2103	=cut	2341	=cut
2104		2342
2105	sub inv_recursive_;	2343	sub inv_recursive_;
2106	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2109		2347
2110	sub inv_recursive {	2348	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2112	}	2350	}
2113		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
2114	package cf;	2380	package cf;
2115		2381
2116	=back	2382	=back
2117		2383
2118	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2127		2393
2128	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
2129		2409
2130	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2411	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2140		2420
2141	} else {	2421	} else {
2142	my $pl = $self->contr;	2422	my $pl = $self->contr;
2143		2423
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2427
2153	} else {	2428	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2431	}
2157	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
2158	}	2443	}
2159		2444
2160	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
2161		2446
2162	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
2175		2460
2176	=item $player_object->enter_link	2461	=item $player_object->enter_link
2177		2462
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2464
2180	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2182		2469
2183	Will never block.	2470	Will never block.
2184		2471
2185	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2186		2473
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2244		2531
2245	$map->load;	2532	$map->load;
2246	$map->load_diag;	2533	$map->load_neighbours;
2247		2534
2248	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2537	$self->activate_recursive;
2250		2538
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2253	}	2541	}
2254		2542
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2544
2257	Moves the player to the given map-path and coordinates by first freezing	2545	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2548	the new (success) or old (failed) map position. In either case, $done will
		2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2261		2553
2262	=cut	2554	=cut
2263		2555
2264	our $GOTOGEN;	2556	our $GOTOGEN;
2265		2557
2266	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2560
2269	# do generation counting so two concurrent goto's will be executed in-order	2561	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2563
2272	$self->enter_link;	2564	$self->enter_link;
2273		2565
2274	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
2275	my $map = eval {	2588	my $map = eval {
2276	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
2277		2590
2278	if ($map) {	2591	if ($map) {
2279	$map = $map->customise_for ($self);	2592	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2593	$map = $check->($map) if $check && $map;
2281	} else {	2594	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2596	}
2284		2597
2285	$map	2598	$map
2286	};	2599	};
2287		2600
…		…
2292		2605
2293	if ($gen == $self->{_goto_generation}) {	2606	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2607	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
2296	}	2609	}
		2610
		2611	$done->() if $done;
2297	})->prio (1);	2612	})->prio (1);
2298	}	2613	}
2299		2614
2300	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
2301		2616
…		…
2321	}	2636	}
2322		2637
2323	sub prepare_random_map {	2638	sub prepare_random_map {
2324	my ($exit) = @_;	2639	my ($exit) = @_;
2325		2640
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2643	# that depends on the exit object
2331		2644
2332	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2647	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2339	}	2654	}
2340		2655
2341	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2342		2657
2343	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2346		2661
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2664	undef $fh;
2350	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2351		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2354	}	2673	}
2355	}	2674	}
2356		2675
2357	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2359		2678
2360	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2361		2680
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2681	$self->enter_link;
2374		2682
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2683	(async {
2380	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2381	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2382	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2383		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2384	1;	2707	1
2385	}) {	2708	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2713
2391	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2410		2733
2411	utf8::encode $text;	2734	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2736	}
2414		2737
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2739
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2740	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2741	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2742	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2743	the message unless the client supports the msg packet.
2421		2744
2422	=cut	2745	=cut
2423		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
2424	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2813
2427	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
2428		2838
2429	return unless @extra || length $msg;	2839	return unless @extra || length $msg;
2430		2840
2431	if ($self->can_msg) {	2841	if ($self->can_msg) {
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2433	} else {	2862	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	if ($color >= 0) {	2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
2445	if (0 && $msg =~ /\[/) {	2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2881	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2883	$self->send_packet ("drawinfo $color $msg")
2450	}	2884	}
2451	}	2885	}
2452	}	2886	}
2453	}	2887	}
2454		2888
2455	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2456		2890
2457	Sends an ext event to the client.	2891	Sends an ext event to the client.
2458		2892
2459	=cut	2893	=cut
2460		2894
2461	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2463		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2466	}	2922	}
2467		2923
2468	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2469		2925
2470	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2981	my ($ns, $buf) = @_;
2526		2982
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2984
2529	if (ref $msg) {	2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2993	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2994	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
2536	} else {	3000	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3002	}
2539		3003
2540	cf::override;	3004	cf::override;
…		…
2587	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2589		3053
2590	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2591		3055
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2593		3061
2594	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2595		3063
2596	=pod	3064	=pod
2597		3065
2598	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2599		3067
2600	cf::object	3068	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3069	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3070	insert remove name archname title slaying race decrease split
2603		3071
2604	cf::object::player	3072	cf::object::player
2605	player	3073	player
2606		3074
2607	cf::player	3075	cf::player
…		…
2612		3080
2613	=cut	3081	=cut
2614		3082
2615	for (	3083	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2621	) {	3090	) {
2622	no strict 'refs';	3091	no strict 'refs';
…		…
2698	# the server's init and main functions	3167	# the server's init and main functions
2699		3168
2700	sub load_facedata($) {	3169	sub load_facedata($) {
2701	my ($path) = @_;	3170	my ($path) = @_;
2702		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
2703	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2704		3179
2705	my $facedata;	3180	my $facedata;
2706	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3182	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2710		3185
2711	$facedata->{version} == 2	3186	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2714	{	3196	{
2715	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2716		3198
2717	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3206
		3207	cf::cede_to_tick;
2723	}	3208	}
2724		3209
2725	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2727	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2728	or next;	3214	or next;
		3215
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3219	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3221	}
2734	Coro::cede;	3222
		3223	cf::cede_to_tick;
2735	}	3224	}
2736	}	3225	}
2737		3226
2738	{	3227	{
2739	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2740		3229
2741	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3232	cf::cede_to_tick;
2744	}	3233	}
2745		3234
2746	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2747	}	3236	}
2748		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2749	1	3273	1
2750	}	3274	}
2751		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
2752	sub reload_regions {	3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
2753	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
2755	}	3326	}
2756		3327
2757	sub reload_facedata {	3328	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3329	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
2760	}	3331	}
2761		3332
2762	sub reload_archetypes {	3333	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3336	}
2771		3337
2772	sub reload_treasures {	3338	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
2775	}	3341	}
2776		3342
2777	sub reload_resources {	3343	sub reload_resources {
2778	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2779		3345
		3346	reload_facedata;
		3347	reload_archetypes;
2780	reload_regions;	3348	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3349	reload_treasures;
2785		3350
2786	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2787	}	3352	}
2788		3353
2789	sub init {	3354	sub reload_config {
2790	reload_resources;
2791	}
2792
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3356	or return;
2796		3357
2797	local $/;	3358	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2799		3360
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3362
2802	$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};
2803	$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};
…		…
2809	};	3370	};
2810	warn $@ if $@;	3371	warn $@ if $@;
2811	}	3372	}
2812	}	3373	}
2813		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
2814	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2815	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3413	(async {
2819	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2821	};	3417	};
2822		3418
2823	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2824	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2825	load_extensions;	3437	load_extensions;
2826		3438
2827	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2828	Event::loop;	3447	EV::loop;
2829	}	3448	}
2830		3449
2831	#############################################################################	3450	#############################################################################
2832	# initialisation and cleanup	3451	# initialisation and cleanup
2833		3452
2834	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2835	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2844	},
2845	);	3459	};
2846	}	3460	}
2847	}	3461	}
2848		3462
2849	sub write_runtime {	3463	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
2854		3466
2855	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3468
2857	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
2858		3470
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3472	or return;
2861		3473
2862	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
2875		3487
2876	close $fh	3488	close $fh
2877	or return;	3489	or return;
2878		3490
2879	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3492	and return;
2881		3493
2882	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
2883		3495
2884	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2885	}	3547	}
2886		3548
2887	sub emergency_save() {	3549	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2889		3551
2890	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2891		3553
2892	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2893	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3568	$pl->save;
2901	}	3569	}
2902	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2903		3571
2904	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3575	$map->valid or next;
2908	$map->save;	3576	$map->save;
2909	}	3577	}
2910	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2911		3579
2912	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2915	};	3587	};
2916		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2917	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2918	}	3595	}
2919		3596
2920	sub post_cleanup {	3597	sub post_cleanup {
2921	my ($make_core) = @_;	3598	my ($make_core) = @_;
2922		3599
2923	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
2925	}	3631	}
2926		3632
2927	sub do_reload_perl() {	3633	sub do_reload_perl() {
2928	# can/must only be called in main	3634	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2931	return;	3637	return;
2932	}	3638	}
2933		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2934	warn "reloading...";	3645	warn "reloading...";
2935		3646
2936	warn "entering sync_job";	3647	warn "entering sync_job";
2937		3648
2938	cf::sync_job {	3649	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3651	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2942		3653
2943	warn "syncing database to disk";	3654	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3656
2946	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2947		3658
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3662	}
2985		3663
2986	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2988	}	3666	%EXT_CORO = ();
2989		3667
2990	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3677	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3678
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
3001	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
3002	}	3688	}
3003		3689
3004	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
3005	}	3705	}
3006		3706
3007	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3710
3011	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
3014		3714
3015	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3716	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
3018		3718
3019	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
3020		3720
3021	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
3022	require cf;	3722	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3724
3025	warn "loading config and database again";	3725	warn "loading config and database again";
3026	cf::cfg_load;	3726	cf::reload_config;
3027		3727
3028	warn "loading extensions";	3728	warn "loading extensions";
3029	cf::load_extensions;	3729	cf::load_extensions;
3030		3730
		3731	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3037		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3038	warn "leaving sync_job";	3743	warn "leaving sync_job";
3039		3744
3040	1	3745	1
3041	} or do {	3746	} or do {
3042	warn $@;	3747	warn $@;
3043	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3749	};
3046		3750
3047	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3048	};	3757	};
3049		3758
3050	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3051		3760
3052	sub reload_perl() {	3761	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3055		3764
3056	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3767
3059	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3769	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3063	},	3771	};
3064	);	3772	};
3065	}	3773	}
3066		3774
3067	register_command "reload" => sub {	3775	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
3069		3777
3070	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3782	reload_perl;
		3783	};
3073	}	3784	}
3074	};	3785	};
3075		3786
3076	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
3077		3788
…		…
3079		3790
3080	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3082		3793
3083	sub wait_for_tick {	3794	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3796
3087	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3799	$signal->wait;
3090	}	3800	}
3091		3801
3092	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3804
3096	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3807	$signal->wait;
3099	}	3808	}
3100		3809
3101	my $min = 1e6;#d#	3810	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3113	return;	3814	return;
3114	}	3815	}
3115		3816
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3119		3818
3120	0 && sync_job {#d#	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3821	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3822	$Coro::current->{desc} = "runtime saver";
3124	or die;	3823	write_runtime_sync
3125		3824	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3825	};
		3826	}
3142		3827
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3829	$sig->send;
3159	}	3830	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3832	$sig->send;
3162	}	3833	}
3163		3834
3164	$NOW = Event::time;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3837
3175	_post_tick;	3838	if (0) {
3176		3839	if ($NEXT_TICK) {
3177		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
3178	},	3844	}
3179	);	3845	}
3180		3846
3181	{	3847	{
3182	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3849
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3192		3851	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3853
3208	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3861
3211	cf::sync_job {	3862	cf::sync_job {
3212	eval {	3863	eval {
3213	BDB::db_env_open	3864	BDB::db_env_open
3214	$DB_ENV,	3865	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3869	0666;
3219		3870
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3872	};
3225		3873
3226	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3875	};
3228	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
3229	}	3887	}
3230		3888
3231	{	3889	{
		3890	# configure IO::AIO
		3891
3232	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3895	}
3245		3896
3246	my $_log_backtrace;	3897	my $_log_backtrace;
3247		3898
3248	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3252		3903
3253	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3256	async {	3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
3257	my @bt = fork_call {	3911	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3915	or die "addr2line: $!";
…		…
3269	}	3923	}
3270		3924
3271	@funcs	3925	@funcs
3272	};	3926	};
3273		3927
3274	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3931	--$_log_backtrace;
3277	};	3932	};
3278	} else {	3933	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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