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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.296 by root, Wed Jul 4 07:09:06 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45		68
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
47		87
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		89
50	our %COMMAND = ();	90	our %COMMAND = ();
51	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
58		98
59	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
60	our @EVENT;	100	our @EVENT;
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
73		117
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	120	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	126	our $DB_ENV;
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
100		145
101	binmode STDOUT;	146	binmode STDOUT;
102	binmode STDERR;	147	binmode STDERR;
103		148
104	# read virtual server time, if available	149	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
109	}	154	}
110		155
111	mkdir $_	156	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		202
158	The raw value load value from the last tick.	203	The raw value load value from the last tick.
159		204
160	=item %cf::CFG	205	=item %cf::CFG
161		206
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	208	from wherever your confdir points to.
164		209
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		211
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	213	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
171	=back	222	=back
172		223
173	=cut	224	=cut
174		225
175	BEGIN {	226	BEGIN {
…		…
179	$msg .= "\n"	230	$msg .= "\n"
180	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
181		232
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		234
184	utf8::encode $msg;
185	LOG llevError, $msg;	235	LOG llevError, $msg;
186	};	236	};
187	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
188		253
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	264	for my $pkg (qw(
200	cf::global cf::attachable	265	cf::global cf::attachable
201	cf::object cf::object::player	266	cf::object cf::object::player
202	cf::client cf::player	267	cf::client cf::player
203	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
204	cf::map cf::party cf::region	270	cf::party cf::region
205	)) {	271	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	273	}
209		274
210	$Event::DIED = sub {	275	$EV::DIED = sub {
211	warn "error in event callback: @_";	276	warn "error in event callback: @_";
212	};	277	};
213		278
214	#############################################################################	279	#############################################################################
215		280
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	304	$d
240	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
241	}	306	}
242		307
243	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
244		309
245	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
246		311
247	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
248		313
249	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
250		315
251	=cut	316	=cut
252		317
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		319
255	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
257		322
258	=item cf::lock_wait $string	323	=item cf::lock_wait $string
259		324
260	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
261		326
…		…
264	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
267	returned.	332	returned.
268		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
269	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
271		339
272	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
273		341
274	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
275		343
276	=cut	344	=cut
277		345
278	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
279		348
280	sub lock_wait($) {	349	sub lock_wait($) {
281	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
282		356
283	# wait for lock, if any	357	# wait for lock, if any
284	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	360	Coro::schedule;
…		…
292		366
293	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
294	lock_wait $key;	368	lock_wait $key;
295		369
296	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
297		372
298	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
301	}	377	}
302	}	378	}
303		379
…		…
306		382
307	! ! $LOCK{$key}	383	! ! $LOCK{$key}
308	}	384	}
309		385
310	sub freeze_mainloop {	386	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
312		388
313	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
315	};	450	}
316	$TICK_WATCHER->stop;	451	};
317	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
318	}	465	}
319		466
320	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
321		468
322	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		474
328	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
329		476
330	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
331		478
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	482	acceptable.
336		483
337	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		490
344	sub sync_job(&) {	491	sub sync_job(&) {
345	my ($job) = @_;	492	my ($job) = @_;
346		493
347	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	495	my $time = EV::time;
349		496
350	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
352		499
353	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	501
355	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
356		503
357	my $busy = 1;	504	my $busy = 1;
358	my @res;	505	my @res;
359		506
360	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	509	@res = eval { $job->() };
362	warn $@ if $@;	510	warn $@ if $@;
363	undef $busy;	511	undef $busy;
364	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
365		513
366	while ($busy) {	514	while ($busy) {
367	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
368	}	519	}
		520	}
369		521
370	$time = Event::time - $time;	522	my $time = EV::time - $time;
371		523
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
376		525
377	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
378	} else {	527	} else {
379	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
380		529
…		…
405	=item fork_call { }, $args	554	=item fork_call { }, $args
406		555
407	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
411		560
412	=cut	561	=cut
413		562
414	sub fork_call(&@) {	563	sub fork_call(&@) {
415	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
416		565
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	566	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		569
422	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	571	reset_signals;
435	local $SIG{__WARN__};	572	&$cb
436	local $SIG{__DIE__};	573	}, @args;
437	eval {
438	close $fh1;
439		574
440	my @res = eval { $cb->(@args) };	575	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	576	}
442	};
443		577
444	warn $@ if $@;	578	=item $coin = coin_from_name $name
445	_exit 0;	579
446	}	580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
447	}	603	}
448		604
449	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
450		606
451	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
454		610
455	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
458	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
459		637
460	our $DB;	638	our $DB;
461		639
462	sub db_init {	640	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	641	cf::sync_job {
467	eval {	642	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	643	};
477	}	644	}
478		645
479	sub db_get($$) {	646	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
481		648
…		…
531	if (1) {	698	if (1) {
532	$md5 =	699	$md5 =
533	join "\x00",	700	join "\x00",
534	$processversion,	701	$processversion,
535	map {	702	map {
536	Coro::cede;	703	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	705	} 0.. $#$src;
539		706
540		707
541	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		746
580	#############################################################################	747	#############################################################################
581		748
582	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
583		750
584	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
587		754
588	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	757	Deliantra).
591		758
592	=over 4	759	=over 4
593		760
594	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
595		762
…		…
639	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
640		807
641	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
643		810
644	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
646		813
647	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
648		815
649	=over 4	816	=over 4
…		…
847	";	1014	";
848	die if $@;	1015	die if $@;
849	}	1016	}
850		1017
851	our $override;	1018	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1020
854	sub override {	1021	sub override {
855	$override = 1;	1022	$override = 1;
856	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
857	}	1024	}
858		1025
859	sub do_invoke {	1026	sub do_invoke {
860	my $event = shift;	1027	my $event = shift;
861	my $callbacks = shift;	1028	my $callbacks = shift;
862		1029
863	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
864		1031
865	local $override;	1032	local $override;
866		1033
867	for (@$callbacks) {	1034	for (@$callbacks) {
868	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
877	}	1044	}
878		1045
879	0	1046	0
880	}	1047	}
881		1048
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1050
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1052
886	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
887		1054
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1058
892	=back	1059	=back
893		1060
894	=cut	1061	=cut
895		1062
896	#############################################################################	1063	#############################################################################
897	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
898		1107
899	sub reattach {	1108	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1110	my ($obj) = @_;
902		1111
		1112	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1114
905	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
906		1116
907	@$registry = ();	1117	@$registry = ();
908		1118
…		…
923	cf::attachable->attach (	1133	cf::attachable->attach (
924	prio => -1000000,	1134	prio => -1000000,
925	on_instantiate => sub {	1135	on_instantiate => sub {
926	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
927		1137
928	$data = from_json $data;	1138	$data = decode_json $data;
929		1139
930	for (@$data) {	1140	for (@$data) {
931	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
932		1142
933	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1159	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
951		1161
952	sync_job {	1162	sync_job {
953	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
956		1167
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1172	aio_close $fh;
962		1173
963	if (@$objs) {	1174	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1180	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
971	}	1182	}
972	} else {	1183	} else {
973	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
974	}	1185	}
…		…
979	}	1190	}
980	} else {	1191	} else {
981	aio_unlink $filename;	1192	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
983	}	1194	}
984	}	1195	};
985	}	1196	}
986		1197
987	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
989		1200
…		…
1001	or return;	1212	or return;
1002		1213
1003	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1216	or return;
		1217
1006	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1007	}	1220	}
1008		1221
		1222	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1011	return ($data, $av);	1226	($data, $av)
1012	}	1227	}
1013		1228
1014	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1015		1230
1016	=over 4	1231	=over 4
…		…
1089	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1090		1305
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1307
1093	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1099	} else {	1323	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1325	}
1102		1326
1103	cf::override;	1327	cf::override;
…		…
1130		1354
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1357
1134	$ext{source} =	1358	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1137	. $source	1361	. $source
1138	. "\n};\n1";	1362	. "\n};\n1";
1139		1363
1140	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1158		1382
1159	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1384	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1386	}
1164		1387
1165	warn $msg;	1388	warn $msg;
1166	}	1389	}
1167		1390
…		…
1181		1404
1182	=back	1405	=back
1183		1406
1184	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1185		1408
1186	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1187		1410
1188	=cut	1411	=cut
1189		1412
1190	package cf::player;	1413	package cf::player;
1191		1414
1192	use Coro::AIO;	1415	use Coro::AIO;
1193		1416
1194	=head3 cf::player	1417	=head3 cf::player
1195		1418
1196	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1197		1434
1198	=item cf::player::find $login	1435	=item cf::player::find $login
1199		1436
1200	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1201		1438
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1478
1242	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1245	}	1488	}
1246	}	1489	}
1247	}	1490	}
1248		1491
…		…
1257	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1258		1501
1259	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1261		1504
		1505	cf::get_slot 0.01;
		1506
1262	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1263	Coro::cede;	1508	cf::cede_to_tick;
1264	}	1509	}
1265		1510
1266	sub new($) {	1511	sub new($) {
1267	my ($login) = @_;	1512	my ($login) = @_;
1268		1513
…		…
1274	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1275		1520
1276	$self	1521	$self
1277	}	1522	}
1278		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1279	=item $pl->quit_character	1534	=item $pl->quit_character
1280		1535
1281	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1283		1538
…		…
1287	my ($pl) = @_;	1542	my ($pl) = @_;
1288		1543
1289	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1290		1545
1291	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1548
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1298		1555
1299	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1593	or return [];
1337		1594
1338	my @logins;	1595	my @logins;
1339		1596
1340	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1344		1607
1345	utf8::decode $login;	1608	utf8::decode $login;
1346	push @logins, $login;	1609	push @logins, $login;
1347	}	1610	}
1348		1611
…		…
1375	}	1638	}
1376		1639
1377	\@paths	1640	\@paths
1378	}	1641	}
1379		1642
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1644
1382	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1383		1646
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1431		1648
1432	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1433		1650
1434	=cut	1651	=cut
1435		1652
1436	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1438		1655
1439	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1657	}
1442		1658
1443	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1444		1660
1445	Sends an ext event to the client.	1661	Sends an ext event to the client.
1446		1662
1447	=cut	1663	=cut
1448		1664
1449	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1451		1667
1452	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1453	}	1669	}
1454		1670
1455	=head3 cf::region	1671	=head3 cf::region
1456		1672
1457	=over 4	1673	=over 4
…		…
1470	my ($path) = @_;	1686	my ($path) = @_;
1471		1687
1472	my ($match, $specificity);	1688	my ($match, $specificity);
1473		1689
1474	for my $region (list) {	1690	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1478	}	1694	}
1479	}	1695	}
1480		1696
…		…
1501	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1503		1719
1504	sub generate_random_map {	1720	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1506	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1726	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1601	return $self;	1820	return $self;
1602	}	1821	}
1603	}	1822	}
1604		1823
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1825	()
1607	}	1826	}
1608		1827
1609	sub init {	1828	sub init {
1610	my ($self) = @_;	1829	my ($self) = @_;
…		…
1632		1851
1633	# the temporary/swap location	1852	# the temporary/swap location
1634	sub save_path {	1853	sub save_path {
1635	my ($self) = @_;	1854	my ($self) = @_;
1636		1855
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1639	}	1858	}
1640		1859
1641	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1642	sub uniq_path {	1861	sub uniq_path {
1643	my ($self) = @_;	1862	my ($self) = @_;
1644		1863
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1647	}	1866	}
1648		1867
1649	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1650	# all maps in C++...	1869	# all maps in C++...
…		…
1673		1892
1674	sub load_header_from($) {	1893	sub load_header_from($) {
1675	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1676		1895
1677	utf8::encode $path;	1896	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1683		1905
1684	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1685		1907
1686	1	1908	1
1687	}	1909	}
…		…
1741	sub find {	1963	sub find {
1742	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1743		1965
1744	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1745		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1747		1970
1748	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1750	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1751	or return;	1976	or return;
1752		1977
1753	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1754		1979
…		…
1756	or return;	1981	or return;
1757		1982
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1761	$map->reset;	1988	$map->reset;
1762	undef $guard;
1763	return find $path;	1989	return find $path;
1764	}	1990	}
1765		1991
1766	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1767	}	1993	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1777		2003
1778	my $path = $self->{path};	2004	my $path = $self->{path};
1779		2005
1780	{	2006	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1782		2008
		2009	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2011
1785	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1786		2013
1787	$self->alloc;	2014	$self->alloc;
1788		2015
1789	$self->pre_load;	2016	$self->pre_load;
1790	Coro::cede;	2017	cf::cede_to_tick;
1791		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1793	or return;	2022	or return;
1794		2023
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1796	if delete $self->{load_original};	2025	if delete $self->{load_original};
1797		2026
1798	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2028	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2031	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1803	}	2035	}
1804	}	2036	}
1805		2037
1806	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1807	# now do the right thing for maps	2041	# now do the right thing for maps
1808	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2044	unless $self->difficulty;
1811	Coro::cede;	2045	cf::cede_to_tick;
1812		2046
1813	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2048	$self->decay_objects;
1815	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1816	$self->update_buttons;	2050	$self->update_buttons;
1817	Coro::cede;	2051	cf::cede_to_tick;
1818	$self->set_darkness_map;	2052	$self->set_darkness_map;
1819	Coro::cede;	2053	cf::cede_to_tick;
1820	$self->activate;	2054	$self->activate;
1821	}	2055	}
1822		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2061	}
1825		2062
1826	$self->post_load;	2063	$self->post_load;
1827	}	2064	}
1828		2065
…		…
1837		2074
1838	$self	2075	$self
1839	}	2076	}
1840		2077
1841	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2079	sub load_neighbours {
1843	my ($map) = @_;	2080	my ($map) = @_;
1844		2081
1845	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1846		2083
1847	for (0 .. 3) {	2084	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1849	or next;	2086	or next;
1850	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1851	or next;	2088	or next;
1852	$neigh->load;	2089	$neigh->load;
1853		2090
		2091	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2094	}
1857		2095
1858	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1860	or next;	2099	or next;
1861	$neigh->load;	2100	$neigh->load;
1862	}	2101	}
1863	}	2102	}
1864		2103
…		…
1869	}	2108	}
1870		2109
1871	sub do_load_sync {	2110	sub do_load_sync {
1872	my ($map) = @_;	2111	my ($map) = @_;
1873		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1874	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1875	}	2117	}
1876		2118
1877	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1879		2121
1880	sub find_async {	2122	sub find_async {
1881	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1882		2124
1883	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1884		2126
1885	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2129	}
1888		2130
1889	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1890	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1891	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2138	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2139	$map->load if $v;
		2140	}
1896		2141
1897	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1898	}	2143	}
1899	}	2144	}
1900	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1901	};	2146	};
1902	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2150	}
1906		2151
1907	sub save {	2152	sub save {
1908	my ($self) = @_;	2153	my ($self) = @_;
1909		2154
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2156
1912	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1913		2158
1914	return unless $self->dirty;	2159	return unless $self->dirty;
1915		2160
…		…
1921	return if $self->{deny_save};	2166	return if $self->{deny_save};
1922		2167
1923	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1924		2169
1925	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1927	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1928		2176
1929	if ($uniq) {	2177	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2180	} else {
…		…
1938	my ($self) = @_;	2186	my ($self) = @_;
1939		2187
1940	# save first because save cedes	2188	# save first because save cedes
1941	$self->save;	2189	$self->save;
1942		2190
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2192
1945	return if $self->players;	2193	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2195	return if $self->{deny_save};
1948		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2201	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2202	}
1952		2203
1953	sub reset_at {	2204	sub reset_at {
1954	my ($self) = @_;	2205	my ($self) = @_;
1955		2206
…		…
1987	if $uniq;	2238	if $uniq;
1988	}	2239	}
1989		2240
1990	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1991		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2245	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2246
1996	$self->unlink_save;	2247	$self->unlink_save;
1997	$self->destroy;	2248	$self->destroy;
1998	}	2249	}
1999		2250
2000	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2001		2252
2002	sub nuke {	2253	sub nuke {
2003	my ($self) = @_;	2254	my ($self) = @_;
2004		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2005	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2006		2260
2007	$self->unlink_save;	2261	$self->unlink_save;
2008		2262
2009	bless $self, "cf::map";	2263	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2268
2015	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2016		2271
2017	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2018	}	2273	}
2019		2274
2020	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2062		2317
2063	sub unique_maps() {	2318	sub unique_maps() {
2064	[	2319	[
2065	map {	2320	map {
2066	utf8::decode $_;	2321	utf8::decode $_;
2067	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2068	? normalise $_	2325	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2327	]
2072	}	2328	}
2073		2329
2074	package cf;
2075
2076	=back	2330	=back
2077		2331
2078	=head3 cf::object	2332	=head3 cf::object
2079		2333
2080	=cut	2334	=cut
…		…
2083		2337
2084	=over 4	2338	=over 4
2085		2339
2086	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2087		2341
2088	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2089		2344
2090	=cut	2345	=cut
2091		2346
2092	sub inv_recursive_;	2347	sub inv_recursive_;
2093	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2096		2351
2097	sub inv_recursive {	2352	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2099	}	2354	}
2100		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2101	package cf;	2384	package cf;
2102		2385
2103	=back	2386	=back
2104		2387
2105	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2114		2397
2115	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2116		2413
2117	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2415	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2127		2424
2128	} else {	2425	} else {
2129	my $pl = $self->contr;	2426	my $pl = $self->contr;
2130		2427
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2431
2140	} else {	2432	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2435	}
2144	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
2145	}	2447	}
2146		2448
2147	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2148		2450
2149	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2162		2464
2163	=item $player_object->enter_link	2465	=item $player_object->enter_link
2164		2466
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2468
2167	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2169		2473
2170	Will never block.	2474	Will never block.
2171		2475
2172	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2173		2477
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2231		2535
2232	$map->load;	2536	$map->load;
2233	$map->load_diag;	2537	$map->load_neighbours;
2234		2538
2235	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2541	$self->activate_recursive;
2237		2542
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2240	}	2545	}
2241		2546
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2548
2244	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2552	the new (success) or old (failed) map position. In either case, $done will
		2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2248		2557
2249	=cut	2558	=cut
2250		2559
2251	our $GOTOGEN;	2560	our $GOTOGEN;
2252		2561
2253	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2564
2256	# do generation counting so two concurrent goto's will be executed in-order	2565	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2567
2259	$self->enter_link;	2568	$self->enter_link;
2260		2569
2261	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2262	my $map = eval {	2592	my $map = eval {
2263	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2264		2594
2265	if ($map) {	2595	if ($map) {
2266	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2268	} else {	2598	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2600	}
2271		2601
2272	$map	2602	$map
2273	};	2603	};
2274		2604
…		…
2279		2609
2280	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2283	}	2613	}
		2614
		2615	$done->() if $done;
2284	})->prio (1);	2616	})->prio (1);
2285	}	2617	}
2286		2618
2287	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2288		2620
…		…
2308	}	2640	}
2309		2641
2310	sub prepare_random_map {	2642	sub prepare_random_map {
2311	my ($exit) = @_;	2643	my ($exit) = @_;
2312		2644
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2647	# that depends on the exit object
2318		2648
2319	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2651	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2326	}	2658	}
2327		2659
2328	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2329		2661
2330	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2333		2665
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2668	undef $fh;
2337	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2338		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2341	}	2677	}
2342	}	2678	}
2343		2679
2344	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2346		2682
2347	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2348		2684
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2685	$self->enter_link;
2361		2686
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2687	(async {
2367	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2368	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2369	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2370		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2371	1;	2711	1
2372	}) {	2712	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2377		2717
2378	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2397		2737
2398	utf8::encode $text;	2738	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	2740	}
2401		2741
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		2743
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2408		2748
2409	=cut	2749	=cut
2410		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2411	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2413		2811
2414	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
2415		2836
2416	return unless @extra || length $msg;	2837	return unless @extra || length $msg;
2417		2838
2418	if ($self->can_msg) {	2839	if ($self->can_msg) {
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2420	} else {	2860	} else {
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430
2431	if ($color >= 0) {	2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
2432	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2434	} else {	2879	} else {
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2437	}	2882	}
2438	}	2883	}
2439	}	2884	}
2440	}	2885	}
2441		2886
2442	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2443		2888
2444	Sends an ext event to the client.	2889	Sends an ext event to the client.
2445		2890
2446	=cut	2891	=cut
2447		2892
2448	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2450		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2453	}	2920	}
2454		2921
2455	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2456		2923
2457	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	2979	my ($ns, $buf) = @_;
2513		2980
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		2982
2516	if (ref $msg) {	2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2991	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	2992	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
2523	} else {	2998	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3000	}
2526		3001
2527	cf::override;	3002	cf::override;
…		…
2574	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2576		3051
2577	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2578		3053
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2580		3059
2581	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2582		3061
2583	=pod	3062	=pod
2584		3063
2585	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2586		3065
2587	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2588	cf::object::player player	3070	cf::object::player
2589	cf::player peaceful	3071	player
2590	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2591		3078
2592	=cut	3079	=cut
2593		3080
2594	for (	3081	for (
2595	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2596	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2597	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2598	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2599	) {	3088	) {
2600	no strict 'refs';	3089	no strict 'refs';
…		…
2676	# the server's init and main functions	3165	# the server's init and main functions
2677		3166
2678	sub load_facedata($) {	3167	sub load_facedata($) {
2679	my ($path) = @_;	3168	my ($path) = @_;
2680		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2681	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2682		3177
2683	my $facedata;	3178	my $facedata;
2684	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2685	or die "$path: $!";	3180	or die "$path: $!";
…		…
2687	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2688		3183
2689	$facedata->{version} == 2	3184	$facedata->{version} == 2
2690	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2691		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2692	{	3194	{
2693	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2694		3196
2695	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2696	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2697	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2698	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2699	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2700	Coro::cede;	3204
		3205	cf::cede_to_tick;
2701	}	3206	}
2702		3207
2703	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2704	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2705	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2706	or next;	3212	or next;
		3213
2707	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2708	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2709	} else {	3217	} else {
2710	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2711	}	3219	}
2712	Coro::cede;	3220
		3221	cf::cede_to_tick;
2713	}	3222	}
2714	}	3223	}
2715		3224
2716	{	3225	{
2717	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2718		3227
2719	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2720	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2721	Coro::cede;	3230	cf::cede_to_tick;
2722	}	3231	}
2723		3232
2724	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2725	}	3234	}
2726		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2727	1	3271	1
2728	}	3272	}
2729		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2730	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2731	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2732	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2733	}	3324	}
2734		3325
2735	sub reload_facedata {	3326	sub reload_facedata {
2736	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2737	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
2738	}	3329	}
2739		3330
2740	sub reload_archetypes {	3331	sub reload_archetypes {
2741	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2742	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2743	#d# NEED to laod twice to resolve forward references
2744	# this really needs to be done in an extra post-pass
2745	# (which needs to be synchronous, so solve it differently)
2746	load_resource_file "$DATADIR/archetypes"
2747	or die "unable to load archetypes\n";
2748	}	3334	}
2749		3335
2750	sub reload_treasures {	3336	sub reload_treasures {
2751	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2752	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2753	}	3339	}
2754		3340
2755	sub reload_resources {	3341	sub reload_resources {
2756	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2757		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2758	reload_regions;	3346	reload_regions;
2759	reload_facedata;
2760	#reload_archetypes;#d#
2761	reload_archetypes;
2762	reload_treasures;	3347	reload_treasures;
2763		3348
2764	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2765	}	3350	}
2766		3351
2767	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2768	reload_resources;	3357	reload_resources;
2769	}	3358	}
2770		3359
2771	sub cfg_load {	3360	sub reload_config {
2772	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2773	or return;	3362	or return;
2774		3363
2775	local $/;	3364	local $/;
2776	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2777		3366
2778	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2779		3368
2780	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2781	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2787	};	3376	};
2788	warn $@ if $@;	3377	warn $@ if $@;
2789	}	3378	}
2790	}	3379	}
2791		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2792	sub main {	3400	sub main {
		3401	atomic;
		3402
2793	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2794	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2795	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2796	(async {	3406	(async {
2797	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2798	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2799	};	3410	};
2800		3411
2801	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2802	db_init;	3415	db_init;
2803	load_extensions;	3416	load_extensions;
2804		3417
2805	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2806	Event::loop;	3426	EV::loop;
2807	}	3427	}
2808		3428
2809	#############################################################################	3429	#############################################################################
2810	# initialisation and cleanup	3430	# initialisation and cleanup
2811		3431
2812	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2813	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2814	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2815	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2816	reentrant => 0,
2817	data => WF_AUTOCANCEL,
2818	signal => $signal,
2819	prio => 0,
2820	cb => sub {
2821	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2822	},
2823	);	3438	};
2824	}	3439	}
2825	}	3440	}
2826		3441
2827	sub write_runtime {	3442	sub write_runtime_sync {
2828	my $runtime = "$LOCALDIR/runtime";
2829
2830	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2831	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2832		3445
2833	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2834		3447
2835	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2836		3449
2837	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2838	or return;	3451	or return;
2839		3452
2840	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2841	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2842	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2852	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2853		3466
2854	close $fh	3467	close $fh
2855	or return;	3468	or return;
2856		3469
2857	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2858	and return;	3471	and return;
2859		3472
2860	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2861		3474
2862	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2863	}	3519	}
2864		3520
2865	sub emergency_save() {	3521	sub emergency_save() {
2866	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2867		3523
…		…
2873	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2874	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2875	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2876	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2877	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2878	$pl->save;	3535	$pl->save;
2879	}	3536	}
2880	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2881		3538
2882	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2888	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2889		3546
2890	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2891	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2892	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2893	};	3554	};
2894		3555
2895	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2896	}	3557	}
2897		3558
2898	sub post_cleanup {	3559	sub post_cleanup {
2899	my ($make_core) = @_;	3560	my ($make_core) = @_;
2900		3561
2901	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2902	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2903	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2904		3596
2905	sub do_reload_perl() {	3597	sub do_reload_perl() {
2906	# can/must only be called in main	3598	# can/must only be called in main
2907	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2908	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2909	return;	3601	return;
2910	}	3602	}
2911		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2912	warn "reloading...";	3607	warn "reloading...";
2913		3608
2914	warn "entering sync_job";	3609	warn "entering sync_job";
2915		3610
2916	cf::sync_job {	3611	cf::sync_job {
2917	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2918	cf::emergency_save;	3613	cf::emergency_save;
2919	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2920		3615
2921	warn "syncing database to disk";	3616	warn "syncing database to disk";
2922	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2923		3618
2924	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2925		3620
2926	warn "cancelling all WF_AUTOCANCEL watchers";
2927	for (Event::all_watchers) {
2928	$_->cancel if $_->data & WF_AUTOCANCEL;
2929	}
2930
2931	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2932	for (;;) {
2933	BDB::flush;
2934	IO::AIO::flush;
2935	Coro::cede;
2936	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2937	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2938	}
2939
2940	++$RELOAD;
2941
2942	warn "cancelling all extension coros";
2943	$_->cancel for values %EXT_CORO;
2944	%EXT_CORO = ();
2945
2946	warn "removing commands";
2947	%COMMAND = ();
2948
2949	warn "removing ext/exti commands";
2950	%EXTCMD = ();
2951	%EXTICMD = ();
2952
2953	warn "unloading/nuking all extensions";
2954	for my $pkg (@EXTS) {
2955	warn "... unloading $pkg";
2956
2957	if (my $cb = $pkg->can ("unload")) {
2958	eval {
2959	$cb->($pkg);
2960	1
2961	} or warn "$pkg unloaded, but with errors: $@";
2962	}	3624	}
2963		3625
2964	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2965	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2966	}	3628	%EXT_CORO = ();
2967		3629
2968	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2969	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2970	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2971		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2972	warn "... unloading $k";	3639	warn "... unloading $pkg";
2973	delete $INC{$k};
2974		3640
2975	$k =~ s/\.pm$//;
2976	$k =~ s/\//::/g;
2977
2978	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2979	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2980	}	3650	}
2981		3651
2982	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2983	}	3667	}
2984		3668
2985	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2986	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2987	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2988		3672
2989	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2990	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2991	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2992		3676
2993	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2994	# and global variables created in xs	3678	# and global variables created in xs
2995	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2996		3680
2997	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2998		3682
2999	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3000	require cf;	3684	require cf;
3001	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3002		3686
3003	warn "loading config and database again";	3687	warn "loading config and database again";
3004	cf::cfg_load;	3688	cf::reload_config;
3005		3689
3006	warn "loading extensions";	3690	warn "loading extensions";
3007	cf::load_extensions;	3691	cf::load_extensions;
3008		3692
3009	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3010	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3011	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3012	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3013	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3014	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3015		3699
3016	warn "leaving sync_job";	3700	warn "leaving sync_job";
3017		3701
3018	1	3702	1
3019	} or do {	3703	} or do {
3020	warn $@;	3704	warn $@;
3021	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3022	exit 1;
3023	};	3706	};
3024		3707
3025	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3026	};	3711	};
3027		3712
3028	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3029		3714
3030	sub reload_perl() {	3715	sub reload_perl() {
3031	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3032	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3033		3718
3034	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3035	reentrant => 0,
3036	after => 0,
3037	data => WF_AUTOCANCEL,
3038	cb => sub {
3039	do_reload_perl;	3720	do_reload_perl;
3040	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3041	},
3042	);	3722	};
3043	}	3723	}
3044		3724
3045	register_command "reload" => sub {	3725	register_command "reload" => sub {
3046	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3047		3727
3048	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3049	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3050	async { reload_perl };	3732	reload_perl;
		3733	};
3051	}	3734	}
3052	};	3735	};
3053		3736
3054	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3055		3738
…		…
3057		3740
3058	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3059	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3060		3743
3061	sub wait_for_tick {	3744	sub wait_for_tick {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3064		3746
3065	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3067	$signal->wait;	3749	$signal->wait;
3068	}	3750	}
3069		3751
3070	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3073		3754
3074	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3076	$signal->wait;	3757	$signal->wait;
3077	}	3758	}
3078		3759
3079	my $min = 1e6;#d#	3760	sub tick {
3080	my $avg = 10;
3081	$TICK_WATCHER = Event->timer (
3082	reentrant => 0,
3083	parked => 1,
3084	prio => 0,
3085	at => $NEXT_TICK || $TICK,
3086	data => WF_AUTOCANCEL,
3087	cb => sub {
3088	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3089	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3090	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3091	return;	3764	return;
3092	}	3765	}
3093		3766
3094	$NOW = $tick_start = Event::time;
3095
3096	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3097		3768
3098	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	my $t = Event::time;	3771	Coro::async_pool {
3101	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3102	or die;	3773	write_runtime_sync
3103		3774	or warn "ERROR: unable to write runtime file: $!";
3104	$map->width (50);
3105	$map->height (50);
3106	$map->alloc;
3107	$map->_load_objects ("/tmp/x.map", 1);
3108	my $t = Event::time - $t;
3109
3110	#next unless $t < 0.0013;#d#
3111	if ($t < $min) {
3112	$min = $t;
3113	}
3114	$avg = $avg * 0.99 + $t * 0.01;
3115	}
3116	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3117	exit 0;
3118	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3119	};	3775	};
		3776	}
3120		3777
3121	$RUNTIME += $TICK;
3122	$NEXT_TICK += $TICK;
3123
3124	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3125	$NEXT_RUNTIME_WRITE = $NOW + 10;
3126	Coro::async_pool {
3127	write_runtime
3128	or warn "ERROR: unable to write runtime file: $!";
3129	};
3130	}
3131
3132	# my $AFTER = Event::time;
3133	# warn $AFTER - $NOW;#d#
3134
3135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3136	$sig->send;	3779	$sig->send;
3137	}	3780	}
3138	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3139	$sig->send;	3782	$sig->send;
3140	}	3783	}
3141		3784
3142	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3143
3144	# if we are delayed by four ticks or more, skip them all
3145	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3146
3147	$TICK_WATCHER->at ($NEXT_TICK);
3148	$TICK_WATCHER->start;
3149
3150	$LOAD = ($NOW - $tick_start) / $TICK;
3151	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3152		3787
3153	_post_tick;	3788	if (0) {
3154		3789	if ($NEXT_TICK) {
3155		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3156	},	3794	}
3157	);	3795	}
3158		3796
3159	{	3797	{
3160	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3161	$BDB_POLL_WATCHER = Event->io (	3799
3162	reentrant => 0,
3163	fd => BDB::poll_fileno,
3164	poll => 'r',
3165	prio => 0,
3166	data => WF_AUTOCANCEL,
3167	cb => \&BDB::poll_cb,
3168	);
3169	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3170		3801	BDB::max_poll_reqs $TICK * 0.1;
3171	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3172	my $status;
3173	my $current = $Coro::current;
3174	(
3175	sub {
3176	$status = $!;
3177	$current->ready; undef $current;
3178	},
3179	sub {
3180	Coro::schedule while defined $current;
3181	$! = $status;
3182	},
3183	)
3184	};
3185		3803
3186	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3187	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3188		3811
3189	cf::sync_job {	3812	cf::sync_job {
3190	eval {	3813	eval {
3191	BDB::db_env_open	3814	BDB::db_env_open
3192	$DB_ENV,	3815	$DB_ENV,
…		…
3194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3196	0666;	3819	0666;
3197		3820
3198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3199
3200	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3201	$DB_ENV->set_lk_detect;
3202	};	3822	};
3203		3823
3204	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3205	};	3825	};
3206	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3207	}	3837	}
3208		3838
3209	{	3839	{
		3840	# configure IO::AIO
		3841
3210	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3211
3212	undef $Coro::AIO::WATCHER;
3213	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3214	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3215	reentrant => 0,
3216	data => WF_AUTOCANCEL,
3217	fd => IO::AIO::poll_fileno,
3218	poll => 'r',
3219	prio => 6,
3220	cb => \&IO::AIO::poll_cb,
3221	);
3222	}	3845	}
3223		3846
3224	my $_log_backtrace;	3847	my $_log_backtrace;
3225		3848
3226	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3229	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3230		3853
3231	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3232	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3233	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3234	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3235	my @bt = fork_call {	3861	my @bt = fork_call {
3236	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3237	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3238	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3239	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3247	}	3873	}
3248		3874
3249	@funcs	3875	@funcs
3250	};	3876	};
3251		3877
3252	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3253	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3254	--$_log_backtrace;	3881	--$_log_backtrace;
3255	};	3882	};
3256	} else {	3883	} else {
3257	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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