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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.294 by root, Tue Jul 3 06:00:48 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 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	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	552	reset_signals;
435	local $SIG{__WARN__};	553	&$cb
436	local $SIG{__DIE__};	554	}, @args;
437	eval {
438	close $fh1;
439		555
440	my @res = eval { $cb->(@args) };	556	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	557	}
442	};
443		558
444	warn $@ if $@;	559	=item $coin = coin_from_name $name
445	_exit 0;	560
446	}	561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		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
447	}	584	}
448		585
449	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
450		587
451	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
454		591
455	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
456	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).
457		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
458	=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	}
459		618
460	our $DB;	619	our $DB;
461		620
462	sub db_init {	621	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	622	cf::sync_job {
467	eval {	623	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	624	};
477	}	625	}
478		626
479	sub db_get($$) {	627	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
481		629
…		…
531	if (1) {	679	if (1) {
532	$md5 =	680	$md5 =
533	join "\x00",	681	join "\x00",
534	$processversion,	682	$processversion,
535	map {	683	map {
536	Coro::cede;	684	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	686	} 0.. $#$src;
539		687
540		688
541	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		727
580	#############################################################################	728	#############################################################################
581		729
582	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
583		731
584	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
585	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")
586	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
587		735
588	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>
589	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
590	Crossfire TRT).	738	Deliantra).
591		739
592	=over 4	740	=over 4
593		741
594	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
595		743
…		…
639	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
640		788
641	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
642	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
643		791
644	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
646		794
647	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
648		796
649	=over 4	797	=over 4
…		…
847	";	995	";
848	die if $@;	996	die if $@;
849	}	997	}
850		998
851	our $override;	999	our $override;
852	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?
853		1001
854	sub override {	1002	sub override {
855	$override = 1;	1003	$override = 1;
856	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
857	}	1005	}
858		1006
859	sub do_invoke {	1007	sub do_invoke {
860	my $event = shift;	1008	my $event = shift;
861	my $callbacks = shift;	1009	my $callbacks = shift;
862		1010
863	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
864		1012
865	local $override;	1013	local $override;
866		1014
867	for (@$callbacks) {	1015	for (@$callbacks) {
868	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
877	}	1025	}
878		1026
879	0	1027	0
880	}	1028	}
881		1029
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1031
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1033
886	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
887		1035
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1039
892	=back	1040	=back
893		1041
894	=cut	1042	=cut
895		1043
896	#############################################################################	1044	#############################################################################
897	# 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	}
898		1088
899	sub reattach {	1089	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1091	my ($obj) = @_;
902		1092
		1093	# no longer needed after getting rid of delete_package?
903	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
904		1095
905	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
906		1097
907	@$registry = ();	1098	@$registry = ();
908		1099
…		…
923	cf::attachable->attach (	1114	cf::attachable->attach (
924	prio => -1000000,	1115	prio => -1000000,
925	on_instantiate => sub {	1116	on_instantiate => sub {
926	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
927		1118
928	$data = from_json $data;	1119	$data = decode_json $data;
929		1120
930	for (@$data) {	1121	for (@$data) {
931	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
932		1123
933	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1140	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
951		1142
952	sync_job {	1143	sync_job {
953	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
956		1148
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1153	aio_close $fh;
962		1154
963	if (@$objs) {	1155	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1161	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
971	}	1163	}
972	} else {	1164	} else {
973	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
974	}	1166	}
975		1167
976	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1172	} else {
978	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
979	}	1174	}
980	} else {	1175	} else {
981	aio_unlink $filename;	1176	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
983	}	1178	}
984	}	1179	};
985	}	1180	}
986		1181
987	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
989		1184
…		…
1001	or return;	1196	or return;
1002		1197
1003	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1200	or return;
		1201
1006	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1007	}	1204	}
1008		1205
		1206	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1011	return ($data, $av);	1210	($data, $av)
1012	}	1211	}
1013		1212
1014	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1015		1214
1016	=over 4	1215	=over 4
…		…
1070	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1071		1270
1072	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1073	}	1272	}
1074		1273
		1274	use File::Glob ();
		1275
1075	cf::player->attach (	1276	cf::player->attach (
1076	on_command => sub {	1277	on_command => sub {
1077	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1078		1279
1079	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1089	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1090		1291
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1293
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1099	} else {	1309	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1311	}
1102		1312
1103	cf::override;	1313	cf::override;
1104	},	1314	},
1105	);	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	}
1106		1329
1107	sub load_extensions {	1330	sub load_extensions {
1108	cf::sync_job {	1331	cf::sync_job {
1109	my %todo;	1332	my %todo;
1110		1333
…		…
1130		1353
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1356
1134	$ext{source} =	1357	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1137	. $source	1360	. $source
1138	. "\n};\n1";	1361	. "\n};\n1";
1139		1362
1140	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1158		1381
1159	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1383	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1385	}
1164		1386
1165	warn $msg;	1387	warn $msg;
1166	}	1388	}
1167		1389
…		…
1181		1403
1182	=back	1404	=back
1183		1405
1184	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1185		1407
1186	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1187		1409
1188	=cut	1410	=cut
1189		1411
1190	package cf::player;	1412	package cf::player;
1191		1413
1192	use Coro::AIO;	1414	use Coro::AIO;
1193		1415
1194	=head3 cf::player	1416	=head3 cf::player
1195		1417
1196	=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	}
1197		1433
1198	=item cf::player::find $login	1434	=item cf::player::find $login
1199		1435
1200	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1201		1437
…		…
1220		1456
1221	sub exists($) {	1457	sub exists($) {
1222	my ($login) = @_;	1458	my ($login) = @_;
1223		1459
1224	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1226	}	1462	}
1227		1463
1228	sub find($) {	1464	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1466	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1477
1242	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1245	}	1487	}
1246	}	1488	}
1247	}	1489	}
1248		1490
…		…
1257	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1258		1500
1259	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1261		1503
		1504	cf::get_slot 0.01;
		1505
1262	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1263	Coro::cede;	1507	cf::cede_to_tick;
1264	}	1508	}
1265		1509
1266	sub new($) {	1510	sub new($) {
1267	my ($login) = @_;	1511	my ($login) = @_;
1268		1512
…		…
1274	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1275		1519
1276	$self	1520	$self
1277	}	1521	}
1278		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
1279	=item $pl->quit_character	1533	=item $pl->quit_character
1280		1534
1281	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
1282	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1283		1537
…		…
1287	my ($pl) = @_;	1541	my ($pl) = @_;
1288		1542
1289	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1290		1544
1291	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1292	$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
1293		1547
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1298		1554
1299	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1592	or return [];
1337		1593
1338	my @logins;	1594	my @logins;
1339		1595
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1344		1606
1345	utf8::decode $login;	1607	utf8::decode $login;
1346	push @logins, $login;	1608	push @logins, $login;
1347	}	1609	}
1348		1610
…		…
1375	}	1637	}
1376		1638
1377	\@paths	1639	\@paths
1378	}	1640	}
1379		1641
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1643
1382	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1383		1645
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1431		1647
1432	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1433		1649
1434	=cut	1650	=cut
1435		1651
1436	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1438		1654
1439	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1656	}
1442		1657
1443	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1444		1659
1445	Sends an ext event to the client.	1660	Sends an ext event to the client.
1446		1661
1447	=cut	1662	=cut
1448		1663
1449	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1451		1666
1452	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1453	}	1668	}
1454		1669
1455	=head3 cf::region	1670	=head3 cf::region
1456		1671
1457	=over 4	1672	=over 4
…		…
1470	my ($path) = @_;	1685	my ($path) = @_;
1471		1686
1472	my ($match, $specificity);	1687	my ($match, $specificity);
1473		1688
1474	for my $region (list) {	1689	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1478	}	1693	}
1479	}	1694	}
1480		1695
…		…
1501	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1503		1718
1504	sub generate_random_map {	1719	sub generate_random_map {
1505	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
1506	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1725	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1601	return $self;	1819	return $self;
1602	}	1820	}
1603	}	1821	}
1604		1822
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1824	()
1607	}	1825	}
1608		1826
1609	sub init {	1827	sub init {
1610	my ($self) = @_;	1828	my ($self) = @_;
…		…
1632		1850
1633	# the temporary/swap location	1851	# the temporary/swap location
1634	sub save_path {	1852	sub save_path {
1635	my ($self) = @_;	1853	my ($self) = @_;
1636		1854
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1639	}	1857	}
1640		1858
1641	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1642	sub uniq_path {	1860	sub uniq_path {
1643	my ($self) = @_;	1861	my ($self) = @_;
1644		1862
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1865	}
1657		1866
1658	sub decay_objects {	1867	sub decay_objects {
1659	my ($self) = @_;	1868	my ($self) = @_;
1660		1869
…		…
1673		1882
1674	sub load_header_from($) {	1883	sub load_header_from($) {
1675	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1676		1885
1677	utf8::encode $path;	1886	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1683		1895
1684	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1685		1897
1686	1	1898	1
1687	}	1899	}
…		…
1741	sub find {	1953	sub find {
1742	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1743		1955
1744	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1745		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1747		1960
1748	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1751	or return;	1963	or return;
1752		1964
1753	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1754		1966
…		…
1756	or return;	1968	or return;
1757		1969
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1761	$map->reset;	1975	$map->reset;
1762	undef $guard;
1763	return find $path;	1976	return find $path;
1764	}	1977	}
1765		1978
1766	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1767	}	1980	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1777		1990
1778	my $path = $self->{path};	1991	my $path = $self->{path};
1779		1992
1780	{	1993	{
1781	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1782		1995
		1996	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		1998
1785	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1786		2000
1787	$self->alloc;	2001	$self->alloc;
1788		2002
1789	$self->pre_load;	2003	$self->pre_load;
1790	Coro::cede;	2004	cf::cede_to_tick;
1791		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1793	or return;	2009	or return;
1794		2010
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1796	if delete $self->{load_original};	2012	if delete $self->{load_original};
1797		2013
1798	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2015	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2018	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1803	}	2022	}
1804	}	2023	}
1805		2024
1806	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1807	# now do the right thing for maps	2028	# now do the right thing for maps
1808	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2031	unless $self->difficulty;
1811	Coro::cede;	2032	cf::cede_to_tick;
1812		2033
1813	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2035	$self->decay_objects;
1815	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1816	$self->update_buttons;	2037	$self->update_buttons;
1817	Coro::cede;	2038	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2039	$self->activate;
1821	}	2040	}
1822		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2046	}
1825		2047
1826	$self->post_load;	2048	$self->post_load;
1827	}	2049	}
1828		2050
…		…
1837		2059
1838	$self	2060	$self
1839	}	2061	}
1840		2062
1841	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2064	sub load_neighbours {
1843	my ($map) = @_;	2065	my ($map) = @_;
1844		2066
1845	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1846		2068
1847	for (0 .. 3) {	2069	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1849	or next;	2071	or next;
1850	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1851	or next;	2073	or next;
1852	$neigh->load;	2074	$neigh->load;
1853		2075
		2076	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2079	}
1857		2080
1858	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1860	or next;	2084	or next;
1861	$neigh->load;	2085	$neigh->load;
1862	}	2086	}
1863	}	2087	}
1864		2088
…		…
1869	}	2093	}
1870		2094
1871	sub do_load_sync {	2095	sub do_load_sync {
1872	my ($map) = @_;	2096	my ($map) = @_;
1873		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1874	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1875	}	2102	}
1876		2103
1877	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1879		2106
1880	sub find_async {	2107	sub find_async {
1881	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1882		2109
1883	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1884		2111
1885	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2114	}
1888		2115
1889	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1890	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1891	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2123	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2124	$map->load if $v;
		2125	}
1896		2126
1897	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1898	}	2128	}
1899	}	2129	}
1900	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1901	};	2131	};
1902	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2135	}
1906		2136
1907	sub save {	2137	sub save {
1908	my ($self) = @_;	2138	my ($self) = @_;
1909		2139
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2141
1912	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1913		2143
1914	return unless $self->dirty;	2144	return unless $self->dirty;
1915		2145
…		…
1921	return if $self->{deny_save};	2151	return if $self->{deny_save};
1922		2152
1923	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1924		2154
1925	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1927	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1928		2161
1929	if ($uniq) {	2162	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2165	} else {
…		…
1938	my ($self) = @_;	2171	my ($self) = @_;
1939		2172
1940	# save first because save cedes	2173	# save first because save cedes
1941	$self->save;	2174	$self->save;
1942		2175
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2177
1945	return if $self->players;	2178	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2180	return if $self->{deny_save};
1948		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2186	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2187	}
1952		2188
1953	sub reset_at {	2189	sub reset_at {
1954	my ($self) = @_;	2190	my ($self) = @_;
1955		2191
…		…
1987	if $uniq;	2223	if $uniq;
1988	}	2224	}
1989		2225
1990	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1991		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2230	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2231
1996	$self->unlink_save;	2232	$self->unlink_save;
1997	$self->destroy;	2233	$self->destroy;
1998	}	2234	}
1999		2235
2000	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2001		2237
2002	sub nuke {	2238	sub nuke {
2003	my ($self) = @_;	2239	my ($self) = @_;
2004		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2005	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2006		2245
2007	$self->unlink_save;	2246	$self->unlink_save;
2008		2247
2009	bless $self, "cf::map";	2248	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2253
2015	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2016		2256
2017	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2018	}	2258	}
2019		2259
2020	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2062		2302
2063	sub unique_maps() {	2303	sub unique_maps() {
2064	[	2304	[
2065	map {	2305	map {
2066	utf8::decode $_;	2306	utf8::decode $_;
2067	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2068	? normalise $_	2310	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2312	]
2072	}	2313	}
2073		2314
2074	package cf;
2075
2076	=back	2315	=back
2077		2316
2078	=head3 cf::object	2317	=head3 cf::object
2079		2318
2080	=cut	2319	=cut
…		…
2083		2322
2084	=over 4	2323	=over 4
2085		2324
2086	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2087		2326
2088	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2089		2329
2090	=cut	2330	=cut
2091		2331
2092	sub inv_recursive_;	2332	sub inv_recursive_;
2093	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2096		2336
2097	sub inv_recursive {	2337	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2099	}	2339	}
2100		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2101	package cf;	2369	package cf;
2102		2370
2103	=back	2371	=back
2104		2372
2105	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2114		2382
2115	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2116		2398
2117	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2400	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2127		2409
2128	} else {	2410	} else {
2129	my $pl = $self->contr;	2411	my $pl = $self->contr;
2130		2412
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2416
2140	} else {	2417	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2420	}
2144	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2145	}	2432	}
2146		2433
2147	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2148		2435
2149	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2162		2449
2163	=item $player_object->enter_link	2450	=item $player_object->enter_link
2164		2451
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2453
2167	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2169		2458
2170	Will never block.	2459	Will never block.
2171		2460
2172	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2173		2462
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2231		2520
2232	$map->load;	2521	$map->load;
2233	$map->load_diag;	2522	$map->load_neighbours;
2234		2523
2235	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2526	$self->activate_recursive;
2237		2527
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2240	}	2530	}
2241		2531
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2533
2244	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2537	the new (success) or old (failed) map position. In either case, $done will
		2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2248		2542
2249	=cut	2543	=cut
2250		2544
2251	our $GOTOGEN;	2545	our $GOTOGEN;
2252		2546
2253	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2549
2256	# do generation counting so two concurrent goto's will be executed in-order	2550	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2552
2259	$self->enter_link;	2553	$self->enter_link;
2260		2554
2261	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2262	my $map = eval {	2577	my $map = eval {
2263	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2264		2579
2265	if ($map) {	2580	if ($map) {
2266	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2268	} else {	2583	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2585	}
2271		2586
2272	$map	2587	$map
2273	};	2588	};
2274		2589
…		…
2279		2594
2280	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
2283	}	2598	}
		2599
		2600	$done->() if $done;
2284	})->prio (1);	2601	})->prio (1);
2285	}	2602	}
2286		2603
2287	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2288		2605
…		…
2308	}	2625	}
2309		2626
2310	sub prepare_random_map {	2627	sub prepare_random_map {
2311	my ($exit) = @_;	2628	my ($exit) = @_;
2312		2629
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2632	# that depends on the exit object
2318		2633
2319	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2636	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2326	}	2643	}
2327		2644
2328	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2329		2646
2330	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2333		2650
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2653	undef $fh;
2337	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2338		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2341	}	2662	}
2342	}	2663	}
2343		2664
2344	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2346		2667
2347	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2348		2669
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2670	$self->enter_link;
2361		2671
2362	(async {	2672	(async {
2363	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2364	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2365	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2366		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2367	1;	2696	1
2368	}) {	2697	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2702
2374	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2393		2722
2394	utf8::encode $text;	2723	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2725	}
2397		2726
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2728
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2729	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2730	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2404		2733
2405	=cut	2734	=cut
2406		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
2407	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2804
2410	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel);
		2815	$channel = $channel->{id};
		2816
		2817	} elsif (ref $channel) {
		2818	# send meta info to client, if not yet sent
		2819	unless (exists $self->{channel}{$channel->{id}}) {
		2820	$self->{channel}{$channel->{id}} = $channel;
		2821	$self->ext_msg (channel_info => $channel);
		2822	}
		2823
		2824	$channel = $channel->{id};
		2825	}
2411		2826
2412	return unless @extra || length $msg;	2827	return unless @extra || length $msg;
2413		2828
2414	if ($self->can_msg) {	2829	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	2831	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		2832
2427	if ($color >= 0) {	2833	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	2834	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	2836	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if (8192 < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2438	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2439		2852
2440	Sends an ext event to the client.	2853	Sends an ext event to the client.
2441		2854
2442	=cut	2855	=cut
2443		2856
2444	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2446		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2883	}
2449	}	2884	}
2450		2885
2451	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2452		2887
2453	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	2943	my ($ns, $buf) = @_;
2509		2944
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2945	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		2946
2512	if (ref $msg) {	2947	if (ref $msg) {
		2948	my ($type, $reply, @payload) =
		2949	"ARRAY" eq ref $msg
		2950	? @$msg
		2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2952
		2953	my @reply;
		2954
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2955	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	2956	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
2519	} else {	2962	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	2964	}
2522		2965
2523	cf::override;	2966	cf::override;
…		…
2570	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2572		3015
2573	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2574		3017
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2576		3023
2577	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2578		3025
2579	=pod	3026	=pod
2580		3027
2581	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2582		3029
2583	cf::object contr pay_amount pay_player map	3030	cf::object
		3031	contr pay_amount pay_player map x y force_find force_add destroy
		3032	insert remove name archname title slaying race decrease split
		3033
2584	cf::object::player player	3034	cf::object::player
2585	cf::player peaceful	3035	player
2586	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2587		3042
2588	=cut	3043	=cut
2589		3044
2590	for (	3045	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2592	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2594	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2595	) {	3052	) {
2596	no strict 'refs';	3053	no strict 'refs';
…		…
2672	# the server's init and main functions	3129	# the server's init and main functions
2673		3130
2674	sub load_facedata($) {	3131	sub load_facedata($) {
2675	my ($path) = @_;	3132	my ($path) = @_;
2676		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3139
2677	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2678		3141
2679	my $facedata;	3142	my $facedata;
2680	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
2681	or die "$path: $!";	3144	or die "$path: $!";
…		…
2683	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2684		3147
2685	$facedata->{version} == 2	3148	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
2688	{	3158	{
2689	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2690		3160
2691	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2696	Coro::cede;	3168
		3169	cf::cede_to_tick;
2697	}	3170	}
2698		3171
2699	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2701	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2702	or next;	3176	or next;
		3177
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3181	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3183	}
2708	Coro::cede;	3184
		3185	cf::cede_to_tick;
2709	}	3186	}
2710	}	3187	}
2711		3188
2712	{	3189	{
2713	my $anims = $facedata->{animinfo};	3190	my $anims = $facedata->{animinfo};
2714		3191
2715	while (my ($anim, $info) = each %$anims) {	3192	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3194	cf::cede_to_tick;
2718	}	3195	}
2719		3196
2720	cf::anim::invalidate_all; # d'oh	3197	cf::anim::invalidate_all; # d'oh
2721	}	3198	}
2722		3199
		3200	{
		3201	# TODO: for gcfclient pleasure, we should give resources
		3202	# that gcfclient doesn't grok a >10000 face index.
		3203	my $res = $facedata->{resource};
		3204
		3205	while (my ($name, $info) = each %$res) {
		3206	if (defined $info->{type}) {
		3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
		3209
		3210	if ($info->{type} & 1) {
		3211	# prepend meta info
		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
		3218	$data = pack "(w/a*)*", $meta, $info->{data};
		3219	} else {
		3220	$data = $info->{data};
		3221	}
		3222
		3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
		3225	} else {
		3226	$RESOURCE{$name} = $info;
		3227	}
		3228
		3229	cf::cede_to_tick;
		3230	}
		3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3234
2723	1	3235	1
2724	}	3236	}
2725		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
		3257
		3258	register_exticmd fx_want => sub {
		3259	my ($ns, $want) = @_;
		3260
		3261	while (my ($k, $v) = each %$want) {
		3262	$ns->fx_want ($k, $v);
		3263	}
		3264	};
		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
2726	sub reload_regions {	3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
2727	load_resource_file "$MAPDIR/regions"	3281	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3282	or die "unable to load regions file\n";
		3283
		3284	for (cf::region::list) {
		3285	$_->{match} = qr/$_->{match}/
		3286	if exists $_->{match};
		3287	}
2729	}	3288	}
2730		3289
2731	sub reload_facedata {	3290	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3291	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3292	or die "unable to load facedata\n";
2734	}	3293	}
2735		3294
2736	sub reload_archetypes {	3295	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3296	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3297	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3298	}
2745		3299
2746	sub reload_treasures {	3300	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3301	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3302	or die "unable to load treasurelists\n";
2749	}	3303	}
2750		3304
2751	sub reload_resources {	3305	sub reload_resources {
2752	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
2753		3307
		3308	reload_facedata;
		3309	reload_archetypes;
2754	reload_regions;	3310	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3311	reload_treasures;
2759		3312
2760	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2761	}	3314	}
2762		3315
2763	sub init {	3316	sub reload_config {
2764	reload_resources;
2765	}
2766
2767	sub cfg_load {
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2769	or return;	3318	or return;
2770		3319
2771	local $/;	3320	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2773		3322
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2775		3324
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2783	};	3332	};
2784	warn $@ if $@;	3333	warn $@ if $@;
2785	}	3334	}
2786	}	3335	}
2787		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
2788	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
2789	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3374	(async {
2793	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2795	};	3378	};
2796		3379
2797	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2798	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
2799	load_extensions;	3398	load_extensions;
2800		3399
2801	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
2802	Event::loop;	3408	EV::loop;
2803	}	3409	}
2804		3410
2805	#############################################################################	3411	#############################################################################
2806	# initialisation and cleanup	3412	# initialisation and cleanup
2807		3413
2808	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2809	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2818	},
2819	);	3420	};
2820	}	3421	}
2821	}	3422	}
2822		3423
2823	sub write_runtime {	3424	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";
2825
2826	# first touch the runtime file to show we are still running:	3425	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3426	# the fsync below can take a very very long time.
2828		3427
2829	IO::AIO::aio_utime $runtime, undef, undef;	3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3429
2831	my $guard = cf::lock_acquire "write_runtime";	3430	my $guard = cf::lock_acquire "write_runtime";
2832		3431
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2834	or return;	3433	or return;
2835		3434
2836	my $value = $cf::RUNTIME + 90 + 10;	3435	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3436	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3437	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3447	aio_utime $fh, undef, undef;
2849		3448
2850	close $fh	3449	close $fh
2851	or return;	3450	or return;
2852		3451
2853	aio_rename "$runtime~", $runtime	3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3453	and return;
2855		3454
2856	warn "runtime file written.\n";	3455	warn "runtime file written.\n";
2857		3456
2858	1	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
2859	}	3508	}
2860		3509
2861	sub emergency_save() {	3510	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2863		3512
2864	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2865		3514
2866	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
2867	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3529	$pl->save;
2875	}	3530	}
2876	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2877		3532
2878	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	3536	$map->valid or next;
2882	$map->save;	3537	$map->save;
2883	}	3538	}
2884	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2885		3540
2886	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2889	};	3548	};
2890		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2891	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2892	}	3556	}
2893		3557
2894	sub post_cleanup {	3558	sub post_cleanup {
2895	my ($make_core) = @_;	3559	my ($make_core) = @_;
2896		3560
2897	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
2899	}	3592	}
2900		3593
2901	sub do_reload_perl() {	3594	sub do_reload_perl() {
2902	# can/must only be called in main	3595	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2904	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2905	return;	3598	return;
2906	}	3599	}
2907		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2908	warn "reloading...";	3606	warn "reloading...";
2909		3607
2910	warn "entering sync_job";	3608	warn "entering sync_job";
2911		3609
2912	cf::sync_job {	3610	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2914	cf::emergency_save;	3612	cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2916		3614
2917	warn "syncing database to disk";	3615	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2919		3617
2920	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
2921		3619
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2933	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();
2941
2942	warn "removing commands";
2943	%COMMAND = ();
2944
2945	warn "removing ext/exti commands";
2946	%EXTCMD = ();
2947	%EXTICMD = ();
2948
2949	warn "unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";
2952
2953	if (my $cb = $pkg->can ("unload")) {
2954	eval {
2955	$cb->($pkg);
2956	1
2957	} or warn "$pkg unloaded, but with errors: $@";
2958	}	3623	}
2959		3624
2960	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2961	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2962	}	3627	%EXT_CORO = ();
2963		3628
2964	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2965	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2968	warn "... unloading $k";	3638	warn "... unloading $pkg";
2969	delete $INC{$k};
2970		3639
2971	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;
2973
2974	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2975	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2976	}	3649	}
2977		3650
2978	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
2979	}	3666	}
2980		3667
2981	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3671
2985	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
2988		3675
2989	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3677	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2992		3679
2993	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2994		3681
2995	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2996	require cf;	3683	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2998		3685
2999	warn "loading config and database again";	3686	warn "loading config and database again";
3000	cf::cfg_load;	3687	cf::reload_config;
3001		3688
3002	warn "loading extensions";	3689	warn "loading extensions";
3003	cf::load_extensions;	3690	cf::load_extensions;
3004		3691
		3692	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
3011		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
3012	warn "leaving sync_job";	3704	warn "leaving sync_job";
3013		3705
3014	1	3706	1
3015	} or do {	3707	} or do {
3016	warn $@;	3708	warn $@;
3017	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
3018	exit 1;
3019	};	3710	};
3020		3711
3021	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
3022	};	3718	};
3023		3719
3024	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
3025		3721
3026	sub reload_perl() {	3722	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
3029		3725
3030	$RELOAD_WATCHER ||= Event->timer (	3726	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	3727	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	3728
3033	data => WF_AUTOCANCEL,	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	3730	do_reload_perl;
3036	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
3037	},	3732	};
3038	);	3733	};
3039	}	3734	}
3040		3735
3041	register_command "reload" => sub {	3736	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
3043		3738
3044	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
		3741	async {
		3742	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	3743	reload_perl;
		3744	};
3047	}	3745	}
3048	};	3746	};
3049		3747
3050	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
3051		3749
…		…
3053		3751
3054	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
3056		3754
3057	sub wait_for_tick {	3755	sub wait_for_tick {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
3060		3757
3061	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	3760	$signal->wait;
3064	}	3761	}
3065		3762
3066	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
3069		3765
3070	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	3768	$signal->wait;
3073	}	3769	}
3074		3770
3075	my $min = 1e6;#d#	3771	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
3087	return;	3775	return;
3088	}	3776	}
3089		3777
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
3093		3779
3094	0 && sync_job {#d#	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	3782	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3783	$Coro::current->{desc} = "runtime saver";
3098	or die;	3784	write_runtime_sync
3099		3785	or warn "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	3786	};
		3787	}
3116		3788
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	3790	$sig->send;
3133	}	3791	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	3793	$sig->send;
3136	}	3794	}
3137		3795
3138	$NOW = Event::time;	3796	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		3798
3149	_post_tick;	3799	if (0) {
3150		3800	if ($NEXT_TICK) {
3151		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
3152	},	3805	}
3153	);	3806	}
3154		3807
3155	{	3808	{
3156	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	3810
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
3166		3812	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		3814
3182	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		3822
3185	cf::sync_job {	3823	cf::sync_job {
3186	eval {	3824	eval {
3187	BDB::db_env_open	3825	BDB::db_env_open
3188	$DB_ENV,	3826	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	3830	0666;
3193		3831
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	3833	};
3199		3834
3200	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	3836	};
3202	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
3203	}	3848	}
3204		3849
3205	{	3850	{
		3851	# configure IO::AIO
		3852
3206	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	3856	}
3219		3857
3220	my $_log_backtrace;	3858	my $_log_backtrace;
3221		3859
3222	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
3225	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
3226		3864
3227	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
3229	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
3230	async {	3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
3231	my @bt = fork_call {	3872	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	3876	or die "addr2line: $!";
…		…
3243	}	3884	}
3244		3885
3245	@funcs	3886	@funcs
3246	};	3887	};
3247		3888
3248	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	3892	--$_log_backtrace;
3251	};	3893	};
3252	} else {	3894	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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