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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		136
102	binmode STDOUT;	137	binmode STDOUT;
103	binmode STDERR;	138	binmode STDERR;
104		139
105	# read virtual server time, if available	140	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
110	}	145	}
111		146
112	mkdir $_	147	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		193
159	The raw value load value from the last tick.	194	The raw value load value from the last tick.
160		195
161	=item %cf::CFG	196	=item %cf::CFG
162		197
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	199	from wherever your confdir points to.
165		200
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		202
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	221	$msg .= "\n"
187	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
188		223
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		225
191	utf8::encode $msg;
192	LOG llevError, $msg;	226	LOG llevError, $msg;
193	};	227	};
194	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
195		244
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	255	for my $pkg (qw(
207	cf::global cf::attachable	256	cf::global cf::attachable
208	cf::object cf::object::player	257	cf::object cf::object::player
209	cf::client cf::player	258	cf::client cf::player
210	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
211	cf::map cf::party cf::region	261	cf::party cf::region
212	)) {	262	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	264	}
216		265
217	$Event::DIED = sub {	266	$EV::DIED = sub {
218	warn "error in event callback: @_";	267	warn "error in event callback: @_";
219	};	268	};
220		269
221	#############################################################################	270	#############################################################################
222		271
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	295	$d
247	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
248	}	297	}
249		298
250	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
251		300
252	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
253		302
254	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
255		304
256	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
257		306
258	=cut	307	=cut
259		308
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		310
262	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
264		327
265	=item cf::lock_wait $string	328	=item cf::lock_wait $string
266		329
267	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
268		331
…		…
271	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
274	returned.	337	returned.
275		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
276	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
278		344
279	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
280		346
281	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
282		348
283	=cut	349	=cut
284		350
285	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
286		353
287	sub lock_wait($) {	354	sub lock_wait($) {
288	my ($key) = @_;	355	my ($key) = @_;
289		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
290	# wait for lock, if any	362	# wait for lock, if any
291	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	366	Coro::schedule;
294	}	367	}
295	}	368	}
296		369
…		…
299		372
300	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
301	lock_wait $key;	374	lock_wait $key;
302		375
303	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
304		378
305	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
308	}	383	}
309	}	384	}
310		385
…		…
313		388
314	! ! $LOCK{$key}	389	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
322	};	456	}
323	$TICK_WATCHER->stop;	457	};
324	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
325	}	471	}
326		472
327	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
328		474
329	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		480
335	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
336		482
337	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
338		484
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	488	acceptable.
343		489
344	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		496
351	sub sync_job(&) {	497	sub sync_job(&) {
352	my ($job) = @_;	498	my ($job) = @_;
353		499
354	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	501	my $time = EV::time;
356		502
357	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
359		505
360	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	507
362	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
363		509
364	my $busy = 1;	510	my $busy = 1;
365	my @res;	511	my @res;
366		512
367	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	515	@res = eval { $job->() };
369	warn $@ if $@;	516	warn $@ if $@;
370	undef $busy;	517	undef $busy;
371	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
372		519
373	while ($busy) {	520	while ($busy) {
374	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
375	}	525	}
		526	}
376		527
377	$time = Event::time - $time;	528	my $time = EV::time - $time;
378		529
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
383		531
384	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
385	} else {	533	} else {
386	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
387		535
…		…
412	=item fork_call { }, $args	560	=item fork_call { }, $args
413		561
414	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
418		566
419	=cut	567	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		568
430	sub fork_call(&@) {	569	sub fork_call(&@) {
431	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
432		571
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	572	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	573	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	574	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		575
438	if (my $pid = fork) {	576	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	577	reset_signals;
452	local $SIG{__WARN__};	578	&$cb
453	local $SIG{__DIE__};	579	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		580
460	eval {	581	wantarray ? @res : $res[-1]
461	close $fh1;	582	}
462		583
463	my @res = eval { $cb->(@args) };	584	=item $coin = coin_from_name $name
464		585
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	586	=cut
466	close $fh2;
467	};
468		587
469	warn $@ if $@;	588	our %coin_alias = (
470	_exit 0;	589	"silver" => "silvercoin",
471	}	590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
472	}	609	}
473		610
474	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
475		612
476	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
479		616
480	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
483	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
484		643
485	our $DB;	644	our $DB;
486		645
487	sub db_init {	646	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	647	cf::sync_job {
492	eval {	648	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	649	};
502	}	650	}
503		651
504	sub db_get($$) {	652	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
506		654
…		…
556	if (1) {	704	if (1) {
557	$md5 =	705	$md5 =
558	join "\x00",	706	join "\x00",
559	$processversion,	707	$processversion,
560	map {	708	map {
561	Coro::cede;	709	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	711	} 0.. $#$src;
564		712
565		713
566	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		752
605	#############################################################################	753	#############################################################################
606		754
607	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
608		756
609	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
612		760
613	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	763	Deliantra).
616		764
617	=over 4	765	=over 4
618		766
619	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
620		768
…		…
664	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
665		813
666	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
668		816
669	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
671		819
672	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
673		821
674	=over 4	822	=over 4
…		…
902	}	1050	}
903		1051
904	0	1052	0
905	}	1053	}
906		1054
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1056
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1058
911	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
912		1060
…		…
919	=cut	1067	=cut
920		1068
921	#############################################################################	1069	#############################################################################
922	# object support	1070	# object support
923		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
		1113
924	sub reattach {	1114	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1116	my ($obj) = @_;
927		1117
		1118	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1120
930	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
931		1122
932	@$registry = ();	1123	@$registry = ();
933		1124
…		…
948	cf::attachable->attach (	1139	cf::attachable->attach (
949	prio => -1000000,	1140	prio => -1000000,
950	on_instantiate => sub {	1141	on_instantiate => sub {
951	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
952		1143
953	$data = from_json $data;	1144	$data = decode_json $data;
954		1145
955	for (@$data) {	1146	for (@$data) {
956	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
957		1148
958	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1165	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
976		1167
977	sync_job {	1168	sync_job {
978	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
981		1173
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
986	close $fh;	1178	aio_close $fh;
987		1179
988	if (@$objs) {	1180	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
994	close $fh;	1186	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
996	}	1188	}
997	} else {	1189	} else {
998	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
999	}	1191	}
1000		1192
1001	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1197	} else {
1003	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1004	}	1199	}
1005	} else {	1200	} else {
1006	aio_unlink $filename;	1201	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
1008	}	1203	}
1009	}	1204	};
1010	}	1205	}
1011		1206
1012	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1014		1209
…		…
1026	or return;	1221	or return;
1027		1222
1028	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1225	or return;
		1226
1031	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1032	}	1229	}
1033		1230
		1231	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1036	return ($data, $av);	1235	($data, $av)
1037	}	1236	}
1038		1237
1039	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1040		1239
1041	=over 4	1240	=over 4
…		…
1095	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1096		1295
1097	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1098	}	1297	}
1099		1298
		1299	use File::Glob ();
		1300
1100	cf::player->attach (	1301	cf::player->attach (
1101	on_command => sub {	1302	on_command => sub {
1102	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1103		1304
1104	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1114	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
1115		1316
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1318
1118	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1124	} else {	1334	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1336	}
1127		1337
1128	cf::override;	1338	cf::override;
1129	},	1339	},
1130	);	1340	);
		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
1131		1354
1132	sub load_extensions {	1355	sub load_extensions {
1133	cf::sync_job {	1356	cf::sync_job {
1134	my %todo;	1357	my %todo;
1135		1358
…		…
1155		1378
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1381
1159	$ext{source} =	1382	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1162	. $source	1385	. $source
1163	. "\n};\n1";	1386	. "\n};\n1";
1164		1387
1165	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1183		1406
1184	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1408	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1410	}
1189		1411
1190	warn $msg;	1412	warn $msg;
1191	}	1413	}
1192		1414
…		…
1206		1428
1207	=back	1429	=back
1208		1430
1209	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1210		1432
1211	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1212		1434
1213	=cut	1435	=cut
1214		1436
1215	package cf::player;	1437	package cf::player;
1216		1438
1217	use Coro::AIO;	1439	use Coro::AIO;
1218		1440
1219	=head3 cf::player	1441	=head3 cf::player
1220		1442
1221	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1222		1458
1223	=item cf::player::find $login	1459	=item cf::player::find $login
1224		1460
1225	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1226		1462
…		…
1245		1481
1246	sub exists($) {	1482	sub exists($) {
1247	my ($login) = @_;	1483	my ($login) = @_;
1248		1484
1249	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1251	}	1487	}
1252		1488
1253	sub find($) {	1489	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1491	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1502
1267	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1270	}	1512	}
1271	}	1513	}
1272	}	1514	}
1273		1515
…		…
1282	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1283		1525
1284	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1286		1528
		1529	cf::get_slot 0.01;
		1530
1287	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1288	Coro::cede;	1532	cf::cede_to_tick;
1289	}	1533	}
1290		1534
1291	sub new($) {	1535	sub new($) {
1292	my ($login) = @_;	1536	my ($login) = @_;
1293		1537
…		…
1299	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1300		1544
1301	$self	1545	$self
1302	}	1546	}
1303		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1304	=item $pl->quit_character	1558	=item $pl->quit_character
1305		1559
1306	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1308		1562
…		…
1312	my ($pl) = @_;	1566	my ($pl) = @_;
1313		1567
1314	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1315		1569
1316	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1572
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1323		1579
1324	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1617	or return [];
1362		1618
1363	my @logins;	1619	my @logins;
1364		1620
1365	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1369		1631
1370	utf8::decode $login;	1632	utf8::decode $login;
1371	push @logins, $login;	1633	push @logins, $login;
1372	}	1634	}
1373		1635
…		…
1400	}	1662	}
1401		1663
1402	\@paths	1664	\@paths
1403	}	1665	}
1404		1666
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1668
1407	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1408		1670
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1456		1672
1457	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1458		1674
1459	=cut	1675	=cut
1460		1676
1461	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1463		1679
1464	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1681	}
1467		1682
1468	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1469		1684
1470	Sends an ext event to the client.	1685	Sends an ext event to the client.
1471		1686
1472	=cut	1687	=cut
1473		1688
1474	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1476		1691
1477	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1478	}	1693	}
1479		1694
1480	=head3 cf::region	1695	=head3 cf::region
1481		1696
1482	=over 4	1697	=over 4
…		…
1526	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1528		1743
1529	sub generate_random_map {	1744	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1531	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1750	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1875
1658	# the temporary/swap location	1876	# the temporary/swap location
1659	sub save_path {	1877	sub save_path {
1660	my ($self) = @_;	1878	my ($self) = @_;
1661		1879
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1664	}	1882	}
1665		1883
1666	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1667	sub uniq_path {	1885	sub uniq_path {
1668	my ($self) = @_;	1886	my ($self) = @_;
1669		1887
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1672	}	1890	}
1673		1891
1674	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1675	# all maps in C++...	1893	# all maps in C++...
…		…
1698		1916
1699	sub load_header_from($) {	1917	sub load_header_from($) {
1700	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1701		1919
1702	utf8::encode $path;	1920	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1708		1929
1709	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1710		1931
1711	1	1932	1
1712	}	1933	}
…		…
1766	sub find {	1987	sub find {
1767	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1768		1989
1769	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1770		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1772		1994
1773	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1774	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1775	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1776	or return;	2000	or return;
1777		2001
1778	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1779		2003
…		…
1781	or return;	2005	or return;
1782		2006
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1786	$map->reset;	2012	$map->reset;
1787	undef $guard;
1788	return find $path;	2013	return find $path;
1789	}	2014	}
1790		2015
1791	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1792	}	2017	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1802		2027
1803	my $path = $self->{path};	2028	my $path = $self->{path};
1804		2029
1805	{	2030	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1807		2032
		2033	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2035
1810	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1811		2037
1812	$self->alloc;	2038	$self->alloc;
1813		2039
1814	$self->pre_load;	2040	$self->pre_load;
1815	Coro::cede;	2041	cf::cede_to_tick;
1816		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1818	or return;	2046	or return;
1819		2047
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1821	if delete $self->{load_original};	2049	if delete $self->{load_original};
1822		2050
1823	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2052	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2055	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1828	}	2059	}
1829	}	2060	}
1830		2061
1831	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1832	# now do the right thing for maps	2065	# now do the right thing for maps
1833	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2068	unless $self->difficulty;
1836	Coro::cede;	2069	cf::cede_to_tick;
1837		2070
1838	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2072	$self->decay_objects;
1840	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1841	$self->update_buttons;	2074	$self->update_buttons;
1842	Coro::cede;	2075	cf::cede_to_tick;
1843	$self->set_darkness_map;	2076	$self->set_darkness_map;
1844	Coro::cede;	2077	cf::cede_to_tick;
1845	$self->activate;	2078	$self->activate;
1846	}	2079	}
1847		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2085	}
1850		2086
1851	$self->post_load;	2087	$self->post_load;
1852	}	2088	}
1853		2089
…		…
1862		2098
1863	$self	2099	$self
1864	}	2100	}
1865		2101
1866	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2103	sub load_neighbours {
1868	my ($map) = @_;	2104	my ($map) = @_;
1869		2105
1870	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1871		2107
1872	for (0 .. 3) {	2108	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1874	or next;	2110	or next;
1875	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1876	or next;	2112	or next;
1877	$neigh->load;	2113	$neigh->load;
1878		2114
		2115	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2118	}
1882		2119
1883	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1885	or next;	2123	or next;
1886	$neigh->load;	2124	$neigh->load;
1887	}	2125	}
1888	}	2126	}
1889		2127
…		…
1894	}	2132	}
1895		2133
1896	sub do_load_sync {	2134	sub do_load_sync {
1897	my ($map) = @_;	2135	my ($map) = @_;
1898		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1899	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1900	}	2141	}
1901		2142
1902	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1904		2145
1905	sub find_async {	2146	sub find_async {
1906	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1907		2148
1908	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1909		2150
1910	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2153	}
1913		2154
1914	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1915	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1916	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2162	if (my $map = find $k) {
1919	$map->load;	2163	$map->load if $v;
1920	}	2164	}
1921		2165
1922	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1923	}	2167	}
1924	}	2168	}
1925	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1926	};	2170	};
1927	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2174	}
1931		2175
1932	sub save {	2176	sub save {
1933	my ($self) = @_;	2177	my ($self) = @_;
1934		2178
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2180
1937	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1938		2182
1939	return unless $self->dirty;	2183	return unless $self->dirty;
1940		2184
…		…
1946	return if $self->{deny_save};	2190	return if $self->{deny_save};
1947		2191
1948	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1949		2193
1950	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1952	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1953		2200
1954	if ($uniq) {	2201	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2204	} else {
…		…
1963	my ($self) = @_;	2210	my ($self) = @_;
1964		2211
1965	# save first because save cedes	2212	# save first because save cedes
1966	$self->save;	2213	$self->save;
1967		2214
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2216
1970	return if $self->players;	2217	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1972	return if $self->{deny_save};	2219	return if $self->{deny_save};
1973		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2225	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2226	}
1977		2227
1978	sub reset_at {	2228	sub reset_at {
1979	my ($self) = @_;	2229	my ($self) = @_;
1980		2230
…		…
2012	if $uniq;	2262	if $uniq;
2013	}	2263	}
2014		2264
2015	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2016		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2269	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2270
2021	$self->unlink_save;	2271	$self->unlink_save;
2022	$self->destroy;	2272	$self->destroy;
2023	}	2273	}
2024		2274
2025	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
2026		2276
2027	sub nuke {	2277	sub nuke {
2028	my ($self) = @_;	2278	my ($self) = @_;
2029		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2030	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2031		2284
2032	$self->unlink_save;	2285	$self->unlink_save;
2033		2286
2034	bless $self, "cf::map";	2287	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2292
2040	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2041		2295
2042	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2043	}	2297	}
2044		2298
2045	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2087		2341
2088	sub unique_maps() {	2342	sub unique_maps() {
2089	[	2343	[
2090	map {	2344	map {
2091	utf8::decode $_;	2345	utf8::decode $_;
2092	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2093	? normalise $_	2349	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2351	]
2097	}	2352	}
2098		2353
2099	package cf;
2100
2101	=back	2354	=back
2102		2355
2103	=head3 cf::object	2356	=head3 cf::object
2104		2357
2105	=cut	2358	=cut
…		…
2108		2361
2109	=over 4	2362	=over 4
2110		2363
2111	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2112		2365
2113	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2114		2368
2115	=cut	2369	=cut
2116		2370
2117	sub inv_recursive_;	2371	sub inv_recursive_;
2118	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2121		2375
2122	sub inv_recursive {	2376	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2124	}	2378	}
2125		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2126	package cf;	2408	package cf;
2127		2409
2128	=back	2410	=back
2129		2411
2130	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2139		2421
2140	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2141		2437
2142	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2439	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2152		2448
2153	} else {	2449	} else {
2154	my $pl = $self->contr;	2450	my $pl = $self->contr;
2155		2451
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2455
2165	} else {	2456	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2459	}
2169	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
2170	}	2471	}
2171		2472
2172	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
2173		2474
2174	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
2187		2488
2188	=item $player_object->enter_link	2489	=item $player_object->enter_link
2189		2490
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2492
2192	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2194		2497
2195	Will never block.	2498	Will never block.
2196		2499
2197	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2198		2501
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2256		2559
2257	$map->load;	2560	$map->load;
2258	$map->load_diag;	2561	$map->load_neighbours;
2259		2562
2260	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2261	$self->activate_recursive;	2565	$self->activate_recursive;
2262		2566
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2265	}	2569	}
…		…
2270	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2577	be called at the end of this process.
2274		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
		2581
2275	=cut	2582	=cut
2276		2583
2277	our $GOTOGEN;	2584	our $GOTOGEN;
2278		2585
2279	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2591
2285	$self->enter_link;	2592	$self->enter_link;
2286		2593
2287	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2288	my $map = eval {	2616	my $map = eval {
2289	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2290		2618
2291	if ($map) {	2619	if ($map) {
2292	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2294	} else {	2622	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2624	}
2297		2625
2298	$map	2626	$map
2299	};	2627	};
2300		2628
…		…
2336	}	2664	}
2337		2665
2338	sub prepare_random_map {	2666	sub prepare_random_map {
2339	my ($exit) = @_;	2667	my ($exit) = @_;
2340		2668
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2671	# that depends on the exit object
2346		2672
2347	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2675	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2354	}	2682	}
2355		2683
2356	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2357		2685
2358	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2361		2689
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2692	undef $fh;
2365	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2366		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2369	}	2701	}
2370	}	2702	}
2371		2703
2372	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2374		2706
2375	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2376		2708
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2709	$self->enter_link;
2389		2710
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2711	(async {
2395	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2396	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2397	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2398		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2399	1;	2735	1
2400	}) {	2736	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2741
2406	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2436		2772
2437	=cut	2773	=cut
2438		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
2439	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2841
2442	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2443		2844
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
2448	if (ref $channel) {	2856	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	2857	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	2858	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	2859	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
2453	}	2862	}
2454		2863
2455	$channel = $channel->{id};	2864	$channel = $channel->{id};
2456	}	2865	}
2457		2866
		2867	return unless @extra || length $msg;
		2868
2458	if ($self->can_msg) {	2869	if ($self->can_msg) {
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2460	} else {	2890	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470
2471	if ($color >= 0) {	2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
2472	if (0 && $msg =~ /\[/) {	2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2474	} else {	2909	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")	2911	$self->send_packet ("drawinfo $color $msg")
2477	}	2912	}
2478	}	2913	}
2479	}	2914	}
2480	}	2915	}
2481		2916
2482	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2483		2918
2484	Sends an ext event to the client.	2919	Sends an ext event to the client.
2485		2920
2486	=cut	2921	=cut
2487		2922
2488	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2490		2925
2491	return unless $self->extcmd;	2926	if ($self->extcmd == 2) {
2492		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2495	}	2950	}
2496		2951
2497	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2498		2953
2499	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	3009	my ($ns, $buf) = @_;
2555		3010
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3012
2558	if (ref $msg) {	3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3021	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3022	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
2565	} else {	3028	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	3030	}
2568		3031
2569	cf::override;	3032	cf::override;
…		…
2616	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2618		3081
2619	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2620		3083
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2622		3089
2623	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2624		3091
2625	=pod	3092	=pod
2626		3093
2627	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2628		3095
2629	cf::object	3096	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3098	insert remove name archname title slaying race decrease split
2632		3099
2633	cf::object::player	3100	cf::object::player
2634	player	3101	player
2635		3102
2636	cf::player	3103	cf::player
…		…
2641		3108
2642	=cut	3109	=cut
2643		3110
2644	for (	3111	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2647	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2649	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2650	) {	3118	) {
2651	no strict 'refs';	3119	no strict 'refs';
…		…
2727	# the server's init and main functions	3195	# the server's init and main functions
2728		3196
2729	sub load_facedata($) {	3197	sub load_facedata($) {
2730	my ($path) = @_;	3198	my ($path) = @_;
2731		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
2732	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2733		3207
2734	my $facedata;	3208	my $facedata;
2735	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2736	or die "$path: $!";	3210	or die "$path: $!";
…		…
2738	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2739		3213
2740	$facedata->{version} == 2	3214	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2743	{	3224	{
2744	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2745		3226
2746	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2748	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2752		3234
2753	cf::cede_to_tick;	3235	cf::cede_to_tick;
2754	}	3236	}
2755		3237
2756	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2758	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2759	or next;	3242	or next;
		3243
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3247	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2781		3265
2782	{	3266	{
2783	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3270
2788	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3272	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
2796		3275
2797	if ($name =~ /\.jpg$/) {	3276	if ($info->{type} & 1) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3277	# prepend meta info
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
2800	} else {	3291	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3292	$RESOURCE{$name} = $info;
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3293	}
2807		3294
2808	cf::cede_to_tick;	3295	cf::cede_to_tick;
2809	}	3296	}
2810	}	3297	}
2811		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2812	1	3301	1
2813	}	3302	}
2814		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2815	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2816	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
2818		3349
2819	for (cf::region::list) {	3350	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3351	$_->{match} = qr/$_->{match}/
…		…
2828	}	3359	}
2829		3360
2830	sub reload_archetypes {	3361	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3364	}
2839		3365
2840	sub reload_treasures {	3366	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2843	}	3369	}
2844		3370
2845	sub reload_resources {	3371	sub reload_resources {
2846	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2847		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2848	reload_regions;	3376	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3377	reload_treasures;
2853		3378
2854	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2855	}	3380	}
2856		3381
2857	sub init {	3382	sub reload_config {
2858	reload_resources;
2859	}
2860
2861	sub cfg_load {
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2863	or return;	3384	or return;
2864		3385
2865	local $/;	3386	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2867		3388
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2869		3390
2870	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2871	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2877	};	3398	};
2878	warn $@ if $@;	3399	warn $@ if $@;
2879	}	3400	}
2880	}	3401	}
2881		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2882	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2883	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2886	(async {	3441	(async {
2887	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2889	};	3445	};
2890		3446
2891	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2892	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2893	load_extensions;	3465	load_extensions;
2894		3466
2895	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2896	Event::loop;	3475	EV::loop;
2897	}	3476	}
2898		3477
2899	#############################################################################	3478	#############################################################################
2900	# initialisation and cleanup	3479	# initialisation and cleanup
2901		3480
2902	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2903	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2912	},
2913	);	3487	};
2914	}	3488	}
2915	}	3489	}
2916		3490
2917	sub write_runtime {	3491	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";
2919
2920	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
2922		3494
2923	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3496
2925	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
2926		3498
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2928	or return;	3500	or return;
2929		3501
2930	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
2943		3515
2944	close $fh	3516	close $fh
2945	or return;	3517	or return;
2946		3518
2947	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3520	and return;
2949		3521
2950	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
2951		3523
2952	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2953	}	3575	}
2954		3576
2955	sub emergency_save() {	3577	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2957		3579
2958	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2959		3581
2960	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2961	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3596	$pl->save;
2969	}	3597	}
2970	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2971		3599
2972	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3603	$map->valid or next;
2976	$map->save;	3604	$map->save;
2977	}	3605	}
2978	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2979		3607
2980	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2982	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2983	};	3615	};
2984		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2985	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2986	}	3623	}
2987		3624
2988	sub post_cleanup {	3625	sub post_cleanup {
2989	my ($make_core) = @_;	3626	my ($make_core) = @_;
2990		3627
2991	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2992	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
2993	}	3659	}
2994		3660
2995	sub do_reload_perl() {	3661	sub do_reload_perl() {
2996	# can/must only be called in main	3662	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2998	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2999	return;	3665	return;
3000	}	3666	}
3001		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3002	warn "reloading...";	3673	warn "reloading...";
3003		3674
3004	warn "entering sync_job";	3675	warn "entering sync_job";
3005		3676
3006	cf::sync_job {	3677	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3008	cf::emergency_save;	3679	cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3010		3681
3011	warn "syncing database to disk";	3682	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3013		3684
3014	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3015		3686
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3027	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();
3035
3036	warn "removing commands";
3037	%COMMAND = ();
3038
3039	warn "removing ext/exti commands";
3040	%EXTCMD = ();
3041	%EXTICMD = ();
3042
3043	warn "unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";
3046
3047	if (my $cb = $pkg->can ("unload")) {
3048	eval {
3049	$cb->($pkg);
3050	1
3051	} or warn "$pkg unloaded, but with errors: $@";
3052	}	3690	}
3053		3691
3054	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3055	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3056	}	3694	%EXT_CORO = ();
3057		3695
3058	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3059	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3062	warn "... unloading $k";	3705	warn "... unloading $pkg";
3063	delete $INC{$k};
3064		3706
3065	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;
3067
3068	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3069	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3070	}	3716	}
3071		3717
3072	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3073	}	3733	}
3074		3734
3075	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3078		3738
3079	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3082		3742
3083	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3744	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3086		3746
3087	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3088		3748
3089	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3090	require cf;	3750	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3092		3752
3093	warn "loading config and database again";	3753	warn "loading config and database again";
3094	cf::cfg_load;	3754	cf::reload_config;
3095		3755
3096	warn "loading extensions";	3756	warn "loading extensions";
3097	cf::load_extensions;	3757	cf::load_extensions;
3098		3758
		3759	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3105		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3106	warn "leaving sync_job";	3771	warn "leaving sync_job";
3107		3772
3108	1	3773	1
3109	} or do {	3774	} or do {
3110	warn $@;	3775	warn $@;
3111	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3112	exit 1;
3113	};	3777	};
3114		3778
3115	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3116	};	3785	};
3117		3786
3118	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3119		3788
3120	sub reload_perl() {	3789	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3123		3792
3124	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	3795
3127	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	3797	do_reload_perl;
3130	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3131	},	3799	};
3132	);	3800	};
3133	}	3801	}
3134		3802
3135	register_command "reload" => sub {	3803	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3137		3805
3138	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	3810	reload_perl;
		3811	};
3141	}	3812	}
3142	};	3813	};
3143		3814
3144	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3145		3816
…		…
3147		3818
3148	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3150		3821
3151	sub wait_for_tick {	3822	sub wait_for_tick {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3154		3824
3155	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	3827	$signal->wait;
3158	}	3828	}
3159		3829
3160	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3163		3832
3164	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	3835	$signal->wait;
3167	}	3836	}
3168		3837
3169	my $min = 1e6;#d#	3838	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3181	return;	3842	return;
3182	}	3843	}
3183		3844
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3187		3846
3188	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3189	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3190	my $t = Event::time;	3849	Coro::async_pool {
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3192	or die;	3851	write_runtime_sync
3193		3852	or warn "ERROR: unable to write runtime file: $!";
3194	$map->width (50);
3195	$map->height (50);
3196	$map->alloc;
3197	$map->_load_objects ("/tmp/x.map", 1);
3198	my $t = Event::time - $t;
3199
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	3853	};
		3854	}
3210		3855
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	3857	$sig->send;
3227	}	3858	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	3860	$sig->send;
3230	}	3861	}
3231		3862
3232	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		3865
3243	_post_tick;	3866	if (0) {
3244		3867	if ($NEXT_TICK) {
3245		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3246	},	3872	}
3247	);	3873	}
3248		3874
3249	{	3875	{
3250	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	3877
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3260		3879	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		3881
3276	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		3889
3279	cf::sync_job {	3890	cf::sync_job {
3280	eval {	3891	eval {
3281	BDB::db_env_open	3892	BDB::db_env_open
3282	$DB_ENV,	3893	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	3897	0666;
3287		3898
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	3900	};
3293		3901
3294	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	3903	};
3296	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3297	}	3915	}
3298		3916
3299	{	3917	{
		3918	# configure IO::AIO
		3919
3300	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	3923	}
3313		3924
3314	my $_log_backtrace;	3925	my $_log_backtrace;
3315		3926
3316	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3319	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3320		3931
3321	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3323	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3324	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3325	my @bt = fork_call {	3939	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3337	}	3951	}
3338		3952
3339	@funcs	3953	@funcs
3340	};	3954	};
3341		3955
3342	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	3959	--$_log_backtrace;
3345	};	3960	};
3346	} else {	3961	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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