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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		80
50	our %COMMAND = ();	81	our %COMMAND = ();
51	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	85	our %EXTCMD = ();
55	our %EXTICMD = ();	86	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
58		89
59	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
61		94
62	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	96	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
73		116
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	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	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	119	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
84		128
85	our %CFG;	129	our %CFG;
86		130
87	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
89		134
90	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
93		138
94	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		141
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
100		151
101	binmode STDOUT;	152	binmode STDOUT;
102	binmode STDERR;	153	binmode STDERR;
103		154
104	# read virtual server time, if available	155	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
109	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
110		163
111	mkdir $_	164	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		166
114	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
115		168
116	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		185
118	#############################################################################	186	#############################################################################
119		187
120	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
121		189
…		…
157		225
158	The raw value load value from the last tick.	226	The raw value load value from the last tick.
159		227
160	=item %cf::CFG	228	=item %cf::CFG
161		229
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	231	from wherever your confdir points to.
164		232
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		234
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	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	236	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.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
171	=back	251	=back
172		252
173	=cut	253	=cut
174		254
175	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	262	my $msg = join "", @_;
178		263
179	$msg .= "\n"	264	$msg .= "\n"
180	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
181		266
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		268
184	utf8::encode $msg;
185	LOG llevError, $msg;	269	LOG llevWarn, $msg;
186	};	270	};
187	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
188		285
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	296	for my $pkg (qw(
200	cf::global cf::attachable	297	cf::global cf::attachable
201	cf::object cf::object::player	298	cf::object cf::object::player
202	cf::client cf::player	299	cf::client cf::player
203	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
204	cf::map cf::party cf::region	302	cf::party cf::region
205	)) {	303	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	305	}
209		306
210	$Event::DIED = sub {	307	$EV::DIED = sub {
211	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
212	};	309	};
213		310
214	#############################################################################	311	#############################################################################
215		312
216	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	336	$d
240	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
241	}	338	}
242		339
243	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
244		341
245	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
246		343
247	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
248		345
249	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
250		347
251	=cut	348	=cut
252		349
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		351
255	sub to_json ($) { $json_coder->encode ($_[0]) }	352	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
257		368
258	=item cf::lock_wait $string	369	=item cf::lock_wait $string
259		370
260	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
261		372
262	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
263		374
264	Wait until the given lock is available and then acquires it and returns	375	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,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
267	returned.	378	returned.
268		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
269	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
271		385
272	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
273		387
274	Return true if the lock is currently active, i.e. somebody has locked it.	388	Return true if the lock is currently active, i.e. somebody has locked it.
275		389
276	=cut	390	=cut
277		391
278	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
279		393
280	sub lock_wait($) {	394	sub lock_wait($) {
281	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	396	}
289		397
290	sub lock_acquire($) {	398	sub lock_acquire($) {
291	my ($key) = @_;	399	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	400	}
303		401
304	sub lock_active($) {	402	sub lock_active($) {
305	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	404	}
309		405
310	sub freeze_mainloop {	406	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
312		408
313	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
315	};	476	}
316	$TICK_WATCHER->stop;	477	};
317	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
318	}	492	}
319		493
320	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
321		495
322	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		501
328	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
329		503
330	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
331		505
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	507	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	509	acceptable.
336		510
337	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	516	=cut
343		517
344	sub sync_job(&) {	518	sub sync_job(&) {
345	my ($job) = @_;	519	my ($job) = @_;
346		520
347	if ($Coro::current == $Coro::main) {	521	if (in_main) {
348	my $time = Event::time;	522	my $time = AE::time;
349		523
350	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
352		526
353	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	528
355	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
356		530
357	my $busy = 1;	531	my $busy = 1;
358	my @res;	532	my @res;
359		533
360	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	536	@res = eval { $job->() };
362	warn $@ if $@;	537	error $@ if $@;
363	undef $busy;	538	undef $busy;
364	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
365		540
366	while ($busy) {	541	while ($busy) {
367	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
368	}	546	}
		547	}
369		548
370	$time = Event::time - $time;	549	my $time = AE::time - $time;
371		550
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	551	$TICK_START += $time; # do not account sync jobs to server load
376		552
377	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
378	} else {	554	} else {
379	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
380		556
…		…
405	=item fork_call { }, $args	581	=item fork_call { }, $args
406		582
407	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
411		587
412	=cut	588	=cut
413		589
414	sub fork_call(&@) {	590	sub fork_call(&@) {
415	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
416		592
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	593	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	594	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	595	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		596
422	if (my $pid = fork) {	597	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;	598	reset_signals;
435	local $SIG{__WARN__};	599	&$cb
436	local $SIG{__DIE__};	600	}, @args;
437	eval {
438	close $fh1;
439		601
440	my @res = eval { $cb->(@args) };	602	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	603	}
442	};
443		604
444	warn $@ if $@;	605	sub objinfo {
445	_exit 0;
446	}	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
447	}	641	}
448		642
449	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
450		644
451	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
454		648
455	Stores the given C<$value> in the family. It can currently store binary	649	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).	650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
458	=cut	657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
459		678
460	our $DB;	679	our $DB;
461		680
462	sub db_init {	681	sub db_init {
463	unless ($DB) {	682	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
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	}
477	}	683	}
478		684
479	sub db_get($$) {	685	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
481		687
482	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
483	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
484		692
485	$! ? ()	693	$! ? ()
486	: $data	694	: $data
487	}
488	}	695	}
489		696
490	sub db_put($$$) {	697	sub db_put($$$) {
491	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	738	if (1) {
532	$md5 =	739	$md5 =
533	join "\x00",	740	join "\x00",
534	$processversion,	741	$processversion,
535	map {	742	map {
536	Coro::cede;	743	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	745	} 0.. $#$src;
539		746
540		747
541	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		755
549	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	757	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
552		759
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		761
555	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
558		765
…		…
568		775
569	=cut	776	=cut
570		777
571	sub datalog($@) {	778	sub datalog($@) {
572	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	781	}
575		782
576	=back	783	=back
577		784
578	=cut	785	=cut
579		786
580	#############################################################################	787	#############################################################################
581		788
582	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
583		790
584	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
587		794
588	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	797	Deliantra).
591		798
592	=over 4	799	=over 4
593		800
594	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
595		802
…		…
639	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
640		847
641	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
643		850
644	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
646		853
647	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
648		855
649	=over 4	856	=over 4
…		…
773		980
774	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		983
777	} elsif (ref $type) {	984	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
779		986
780	} else {	987	} else {
781	shift @arg;	988	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
783	}	990	}
784	}	991	}
785	}	992	}
786		993
787	sub _object_attach {	994	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
798	}	1005	}
799		1006
800	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
801	} else {	1008	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1010	}
804		1011
805	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
806	}	1013	}
807		1014
…		…
847	";	1054	";
848	die if $@;	1055	die if $@;
849	}	1056	}
850		1057
851	our $override;	1058	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1060
854	sub override {	1061	sub override {
855	$override = 1;	1062	$override = 1;
856	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
857	}	1064	}
858		1065
859	sub do_invoke {	1066	sub do_invoke {
860	my $event = shift;	1067	my $event = shift;
861	my $callbacks = shift;	1068	my $callbacks = shift;
862		1069
863	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
864		1071
865	local $override;	1072	local $override;
866		1073
867	for (@$callbacks) {	1074	for (@$callbacks) {
868	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
869		1076
870	if ($@) {	1077	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1079	override;
874	}	1080	}
875		1081
876	return 1 if $override;	1082	return 1 if $override;
877	}	1083	}
878		1084
879	0	1085	0
880	}	1086	}
881		1087
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1089
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1091
886	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
887		1093
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1097
892	=back	1098	=back
893		1099
894	=cut	1100	=cut
895		1101
896	#############################################################################	1102	#############################################################################
897	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
898		1146
899	sub reattach {	1147	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1149	my ($obj) = @_;
902		1150
		1151	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1153
905	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
906		1155
907	@$registry = ();	1156	@$registry = ();
908		1157
…		…
913	for (@$attach) {	1162	for (@$attach) {
914	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
916	}	1165	}
917	} else {	1166	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1168	}
920	}	1169	}
921	}	1170	}
922		1171
923	cf::attachable->attach (	1172	cf::attachable->attach (
924	prio => -1000000,	1173	prio => -1000000,
925	on_instantiate => sub {	1174	on_instantiate => sub {
926	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
927		1176
928	$data = from_json $data;	1177	$data = decode_json $data;
929		1178
930	for (@$data) {	1179	for (@$data) {
931	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
932		1181
933	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1198	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
951		1200
952	sync_job {	1201	sync_job {
953	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
956		1207
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
961	close $fh;	1215	aio_close $fh;
962		1216
963	if (@$objs) {	1217	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
969	close $fh;	1226	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
971	}	1228	}
972	} else {	1229	} else {
973	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
974	}	1231	}
975		1232
976	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1237	} else {
978	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
979	}	1239	}
980	} else {	1240	} else {
981	aio_unlink $filename;	1241	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
983	}	1243	}
984	}	1244	};
985	}	1245	}
986		1246
987	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
989		1249
…		…
1001	or return;	1261	or return;
1002		1262
1003	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1265	or return;
		1266
1006	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1007	}	1269	}
1008		1270
		1271	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1011	return ($data, $av);	1276	($data, $av)
1012	}	1277	}
1013		1278
1014	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1015		1280
1016	=over 4	1281	=over 4
…		…
1070	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1071		1336
1072	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1073	}	1338	}
1074		1339
		1340	use File::Glob ();
		1341
1075	cf::player->attach (	1342	cf::player->attach (
1076	on_command => sub {	1343	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1078		1345
1079	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1080	or return;	1347	or return;
1081		1348
…		…
1089	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1090		1357
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1359
1093	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1099	} else {	1375	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1377	}
1102		1378
1103	cf::override;	1379	cf::override;
1104	},	1380	},
1105	);	1381	);
1106		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1107	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1108	cf::sync_job {	1399	cf::sync_job {
1109	my %todo;	1400	my %todo;
1110		1401
1111	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1403	next unless -r $path;
…		…
1130		1421
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1424
1134	$ext{source} =	1425	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1137	. $source	1428	. $source
1138	. "\n};\n1";	1429	. "\n};\n1";
1139		1430
1140	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1141	}	1432	}
1142		1433
		1434	my $pass = 0;
1143	my %done;	1435	my %done;
1144	while (%todo) {	1436	while (%todo) {
1145	my $progress;	1437	my $progress;
1146		1438
		1439	++$pass;
		1440
		1441	ext:
1147	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1444	next ext
1150	unless exists $done{$_};	1445	unless exists $done{$_};
1151	}	1446	}
1152		1447
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1449
1155	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1158		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1160	warn $msg;	1458
1161	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1460	delete $todo{$k};
1163	}	1461	} else {
1164		1462	$done{$k} = delete $todo{$k};
1165	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1166	}	1468	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1469	}
1172		1470
1173	skip:	1471	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
1176	}	1479	}
1177	};	1480	};
1178	}	1481	}
1179		1482
1180	#############################################################################	1483	#############################################################################
1181		1484
1182	=back	1485	=back
1183		1486
1184	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1185		1488
1186	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1187		1490
1188	=cut	1491	=cut
1189		1492
1190	package cf::player;	1493	package cf::player;
1191		1494
1192	use Coro::AIO;	1495	use Coro::AIO;
1193		1496
1194	=head3 cf::player	1497	=head3 cf::player
1195		1498
1196	=over 4	1499	=over 4
		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
1197		1514
1198	=item cf::player::find $login	1515	=item cf::player::find $login
1199		1516
1200	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1201		1518
…		…
1220		1537
1221	sub exists($) {	1538	sub exists($) {
1222	my ($login) = @_;	1539	my ($login) = @_;
1223		1540
1224	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1226	}	1543	}
1227		1544
1228	sub find($) {	1545	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1547	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1558
1242	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1245	}	1568	}
1246	}	1569	}
1247	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1248		1584
1249	sub save($) {	1585	sub save($) {
1250	my ($pl) = @_;	1586	my ($pl) = @_;
1251		1587
1252	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1258		1594
1259	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1261		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1262	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1263	Coro::cede;	1604	cf::cede_to_tick;
1264	}	1605	}
1265		1606
1266	sub new($) {	1607	sub new($) {
1267	my ($login) = @_;	1608	my ($login) = @_;
1268		1609
…		…
1274	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1275		1616
1276	$self	1617	$self
1277	}	1618	}
1278		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1279	=item $pl->quit_character	1630	=item $pl->quit_character
1280		1631
1281	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1283		1634
…		…
1287	my ($pl) = @_;	1638	my ($pl) = @_;
1288		1639
1289	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1290		1641
1291	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1644
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1298		1650
1299	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1688	or return [];
1337		1689
1338	my @logins;	1690	my @logins;
1339		1691
1340	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1344		1702
1345	utf8::decode $login;	1703	utf8::decode $login;
1346	push @logins, $login;	1704	push @logins, $login;
1347	}	1705	}
1348		1706
1349	\@logins	1707	\@logins
1350	}	1708	}
1351		1709
1352	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1353		1713
1354	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1355	player. May block.	1715	player. May block.
1356		1716
1357	=cut	1717	=cut
…		…
1375	}	1735	}
1376		1736
1377	\@paths	1737	\@paths
1378	}	1738	}
1379		1739
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1741
1382	Expand crossfire pod fragments into protocol xml.	1742	Expand deliantra pod fragments into protocol xml.
1383		1743
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)	1744	=item $player->ext_reply ($msgid, @msg)
1431		1745
1432	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1433		1747
1434	=cut	1748	=cut
1435		1749
1436	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1438		1752
1439	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1754	}
1442		1755
1443	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1444		1757
1445	Sends an ext event to the client.	1758	Sends an ext event to the client.
1446		1759
1447	=cut	1760	=cut
1448		1761
1449	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1451		1764
1452	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1453	}	1766	}
1454		1767
1455	=head3 cf::region	1768	=head3 cf::region
1456		1769
1457	=over 4	1770	=over 4
…		…
1467	=cut	1780	=cut
1468		1781
1469	sub find_by_path($) {	1782	sub find_by_path($) {
1470	my ($path) = @_;	1783	my ($path) = @_;
1471		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1472	my ($match, $specificity);	1787	my ($match, $specificity);
1473		1788
1474	for my $region (list) {	1789	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1478	}	1793	}
1479	}	1794	}
1480		1795
…		…
1501	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1503		1818
1504	sub generate_random_map {	1819	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1506	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1825	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1529		1847
1530	sub register {	1848	sub register {
1531	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1850	my $pkg = caller;
1533		1851
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1853
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1855	}
1539		1856
1540	# also paths starting with '/'	1857	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1859
1543	sub thawer_merge {	1860	sub thawer_merge {
1544	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1545		1862
1546	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1600	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1601	return $self;	1918	return $self;
1602	}	1919	}
1603	}	1920	}
1604		1921
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1923	()
1607	}	1924	}
1608		1925
1609	sub init {	1926	sub init {
1610	my ($self) = @_;	1927	my ($self) = @_;
…		…
1632		1949
1633	# the temporary/swap location	1950	# the temporary/swap location
1634	sub save_path {	1951	sub save_path {
1635	my ($self) = @_;	1952	my ($self) = @_;
1636		1953
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1639	}	1956	}
1640		1957
1641	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1642	sub uniq_path {	1959	sub uniq_path {
1643	my ($self) = @_;	1960	my ($self) = @_;
1644		1961
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1964	}
1657		1965
1658	sub decay_objects {	1966	sub decay_objects {
1659	my ($self) = @_;	1967	my ($self) = @_;
1660		1968
…		…
1673		1981
1674	sub load_header_from($) {	1982	sub load_header_from($) {
1675	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1676		1984
1677	utf8::encode $path;	1985	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1683		1994
1684	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1685		1996
1686	1	1997	1
1687	}	1998	}
…		…
1741	sub find {	2052	sub find {
1742	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1743		2054
1744	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1745		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2059
1748	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1751	or return;	2062	or return;
1752		2063
1753	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1754		2065
…		…
1756	or return;	2067	or return;
1757		2068
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1761	$map->reset;	2074	$map->reset;
1762	undef $guard;
1763	return find $path;	2075	return find $path;
1764	}	2076	}
1765		2077
1766	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1767	}	2079	}
1768	}	2080	}
1769		2081
1770	sub pre_load { }	2082	sub pre_load { }
1771	sub post_load { }	2083	#sub post_load { } # XS
1772		2084
1773	sub load {	2085	sub load {
1774	my ($self) = @_;	2086	my ($self) = @_;
1775		2087
1776	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1777		2089
1778	my $path = $self->{path};	2090	my $path = $self->{path};
1779		2091
1780	{	2092	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1782		2094
		2095	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2097
1785	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1786		2099
1787	$self->alloc;	2100	$self->alloc;
1788		2101
1789	$self->pre_load;	2102	$self->pre_load;
1790	Coro::cede;	2103	cf::cede_to_tick;
1791		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1793	or return;	2108	or return;
1794		2109
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1796	if delete $self->{load_original};	2111	if delete $self->{load_original};
1797		2112
1798	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2114	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2117	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1803	}	2121	}
1804	}	2122	}
1805		2123
1806	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1807	# now do the right thing for maps	2127	# now do the right thing for maps
1808	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2130	unless $self->difficulty;
1811	Coro::cede;	2131	cf::cede_to_tick;
1812		2132
1813	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2134	$self->decay_objects;
1815	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1816	$self->update_buttons;	2136	$self->update_buttons;
1817	Coro::cede;	2137	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2138	$self->activate;
1821	}	2139	}
1822		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2145	}
1825		2146
1826	$self->post_load;	2147	$self->post_load;
1827	}	2148	}
1828		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2153	sub customise_for {
1830	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1831		2155
1832	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2157	if $self->per_player;
…		…
1837		2161
1838	$self	2162	$self
1839	}	2163	}
1840		2164
1841	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2166	sub load_neighbours {
1843	my ($map) = @_;	2167	my ($map) = @_;
1844		2168
1845	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1846		2170
1847	for (0 .. 3) {	2171	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1849	or next;	2173	or next;
1850	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1851	or next;	2175	or next;
1852	$neigh->load;	2176	$neigh->load;
1853		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2182	}
1857		2183
1858	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1860	or next;	2187	or next;
1861	$neigh->load;	2188	$neigh->load;
1862	}	2189	}
1863	}	2190	}
1864		2191
1865	sub find_sync {	2192	sub find_sync {
1866	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1867		2194
1868	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1869	}	2199	}
1870		2200
1871	sub do_load_sync {	2201	sub do_load_sync {
1872	my ($map) = @_;	2202	my ($map) = @_;
1873		2203
1874	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1875	}	2208	}
1876		2209
1877	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1879		2212
1880	sub find_async {	2213	sub find_async {
1881	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1882		2215
1883	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1884		2217
1885	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2220	}
1888		2221
1889	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1890	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1891	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2229	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2230	$map->load if $v;
		2231	}
1896		2232
1897	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1898	}	2234	}
1899	}	2235	}
1900	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1901	};	2237	};
1902	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1903		2239
1904	()	2240	()
1905	}	2241	}
1906		2242
		2243	# common code, used by both ->save and ->swapout
1907	sub save {	2244	sub _save {
1908	my ($self) = @_;	2245	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2246
1912	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1913		2248
1914	return unless $self->dirty;	2249	return unless $self->dirty;
1915		2250
…		…
1921	return if $self->{deny_save};	2256	return if $self->{deny_save};
1922		2257
1923	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1924		2259
1925	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1927	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1928		2266
1929	if ($uniq) {	2267	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2270	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2272	}
1935	}	2273	}
1936		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1937	sub swap_out {	2283	sub swap_out {
1938	my ($self) = @_;	2284	my ($self) = @_;
1939		2285
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1945	return if $self->players;	2290	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1949	$self->clear;	2301	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2302	}
1952		2303
1953	sub reset_at {	2304	sub reset_at {
1954	my ($self) = @_;	2305	my ($self) = @_;
1955		2306
…		…
1973		2324
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2326
1976	return if $self->players;	2327	return if $self->players;
1977		2328
1978	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1979		2330
1980	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1981		2332
1982	# need to save uniques path	2333	# need to save uniques path
1983	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2338	if $uniq;
1988	}	2339	}
1989		2340
1990	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1991		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2345	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2346
1996	$self->unlink_save;	2347	$self->unlink_save;
1997	$self->destroy;	2348	$self->destroy;
1998	}	2349	}
1999		2350
2000	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
2001		2352
2002	sub nuke {	2353	sub nuke {
2003	my ($self) = @_;	2354	my ($self) = @_;
2004		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
2005	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
2006		2360
2007	$self->unlink_save;	2361	$self->unlink_save;
2008		2362
2009	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2368
2015	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
2016		2371
2017	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2018	}	2373	}
2019		2374
2020	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2062		2417
2063	sub unique_maps() {	2418	sub unique_maps() {
2064	[	2419	[
2065	map {	2420	map {
2066	utf8::decode $_;	2421	utf8::decode $_;
2067	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2068	? normalise $_	2425	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2427	]
2072	}	2428	}
2073		2429
2074	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
2075		2461
2076	=back	2462	=back
2077		2463
2078	=head3 cf::object	2464	=head3 cf::object
2079		2465
…		…
2083		2469
2084	=over 4	2470	=over 4
2085		2471
2086	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2087		2473
2088	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
2089		2476
2090	=cut	2477	=cut
2091		2478
2092	sub inv_recursive_;	2479	sub inv_recursive_;
2093	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2096		2483
2097	sub inv_recursive {	2484	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2099	}	2486	}
2100		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
2101	package cf;	2516	package cf;
2102		2517
2103	=back	2518	=back
2104		2519
2105	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	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	2527	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2114		2529
2115	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
2116		2545
2117	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2547	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2127		2556
2128	} else {	2557	} else {
2129	my $pl = $self->contr;	2558	my $pl = $self->contr;
2130		2559
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($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		2563
2140	} else {	2564	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2567	}
2144	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
2145	}	2579	}
2146		2580
2147	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2148		2582
2149	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2162		2596
2163	=item $player_object->enter_link	2597	=item $player_object->enter_link
2164		2598
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2600
2167	The player should be reasonably safe there for short amounts of time. You	2601	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.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
2169		2605
2170	Will never block.	2606	Will never block.
2171		2607
2172	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2173		2609
…		…
2193	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2630	my ($self) = @_;
2195		2631
2196	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2197		2633
		2634	++$self->{_link_recursion};
		2635
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2637
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2202		2640
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2642	}
2205		2643
2206	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2208		2646
…		…
2225	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2227		2665
2228	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2231		2669
2232	$map->load;	2670	$map->load;
2233	$map->load_diag;	2671	$map->load_neighbours;
2234		2672
2235	return unless $self->contr->active;	2673	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2674
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2240	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2241		2682
		2683	}
		2684
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2686
2244	Moves the player to the given map-path and coordinates by first freezing	2687	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	2688	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	2689	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
2248		2695
2249	=cut	2696	=cut
2250		2697
2251	our $GOTOGEN;	2698	our $GOTOGEN;
2252		2699
2253	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
2255		2708
2256	# do generation counting so two concurrent goto's will be executed in-order	2709	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2711
2259	$self->enter_link;	2712	$self->enter_link;
2260		2713
2261	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
2262	my $map = eval {	2736	my $map = eval {
2263	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2264		2738
2265	if ($map) {	2739	if ($map) {
2266	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2742	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2744	}
2271		2745
2272	$map	2746	$map
2273	};	2747	};
2274		2748
…		…
2279		2753
2280	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2283	}	2757	}
		2758
		2759	$done->($self) if $done;
2284	})->prio (1);	2760	})->prio (1);
2285	}	2761	}
2286		2762
2287	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2288		2764
…		…
2308	}	2784	}
2309		2785
2310	sub prepare_random_map {	2786	sub prepare_random_map {
2311	my ($exit) = @_;	2787	my ($exit) = @_;
2312		2788
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2791	# that depends on the exit object
2318		2792
2319	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2795	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2326	}	2802	}
2327		2803
2328	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2329		2805
2330	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2333		2809
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2812	undef $fh;
2337	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2338		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2341	}	2821	}
2342	}	2822	}
2343		2823
2344	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2346		2826
2347	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2348		2828
2349	if ($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;	2829	$self->enter_link;
2361		2830
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 {	2831	(async {
2367	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2368	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
2369	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2370		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
2371	1;	2855	1
2372	}) {	2856	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2377		2861
2378	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2379	$self->leave_link;	2863	$self->leave_link;
2380	}	2864	}
2381	})->prio (1);	2865	})->prio (1);
2382	}	2866	}
2383		2867
…		…
2397		2881
2398	utf8::encode $text;	2882	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	2884	}
2401		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		2912
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	2914	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	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2408		2917
2409	=cut	2918	=cut
2410		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
2411	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2413		3036
2414	$msg = $self->pl->expand_cfpod ($msg);	3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
2415		3058
2416	return unless @extra || length $msg;	3059	return unless @extra || length $msg;
2417		3060
2418	if ($self->can_msg) {	3061	# default colour, mask it out
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420	} else {	3063	if $color & cf::NDI_DEF;
2421	# replace some tags by gcfclient-compatible ones
2422	for ($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		3064
2431	if ($color >= 0) {	3065	my $pkt = "msg "
2432	if (0 && $msg =~ /\[/) {	3066	. $self->{json_coder}->encode (
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434	} else {	3068	);
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")
2437	}
2438	}
2439	}
2440	}
2441		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2442	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2443		3074
2444	Sends an ext event to the client.	3075	Sends an ext event to the client.
2445		3076
2446	=cut	3077	=cut
2447		3078
2448	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2450		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2453	}	3106	}
2454		3107
2455	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2456		3109
2457	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	3165	my ($ns, $buf) = @_;
2513		3166
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3168
2516	if (ref $msg) {	3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3177	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3178	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2523	} else {	3184	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3186	}
2526		3187
2527	cf::override;	3188	cf::override;
2528	},	3189	},
2529	);	3190	);
…		…
2549		3210
2550	$coro	3211	$coro
2551	}	3212	}
2552		3213
2553	cf::client->attach (	3214	cf::client->attach (
2554	on_destroy => sub {	3215	on_client_destroy => sub {
2555	my ($ns) = @_;	3216	my ($ns) = @_;
2556		3217
2557	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558	},	3219	},
2559	);	3220	);
…		…
2574	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2576		3237
2577	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2578		3239
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2580		3245
2581	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2582		3247
2583	=pod	3248	=pod
2584		3249
2585	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2586		3251
2587	cf::object	3252	cf::object
2588	contr pay_amount pay_player map x y force_find force_add	3253	contr pay_amount pay_player map x y force_find force_add destroy
2589	insert remove	3254	insert remove name archname title slaying race decrease split
		3255	value
2590		3256
2591	cf::object::player	3257	cf::object::player
2592	player	3258	player
2593		3259
2594	cf::player	3260	cf::player
…		…
2599		3265
2600	=cut	3266	=cut
2601		3267
2602	for (	3268	for (
2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604	insert remove)],	3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2605	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2607	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2608	) {	3275	) {
2609	no strict 'refs';
2610	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2611	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2612	for @funs;	3278	for @funs;
2613	}	3279	}
2614		3280
…		…
2629		3295
2630	my $qcode = $code;	3296	my $qcode = $code;
2631	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2632	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2633		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2634	local $_;	3303	local $_;
2635	local @safe::cf::_safe_eval_args = values %vars;
2636		3304
2637	my $eval =	3305	my $eval =
2638	"do {\n"	3306	"do {\n"
2639	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2640	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2641	. $code	3309	. $code
2642	. "\n}"	3310	. "\n}"
2643	;	3311	;
2644		3312
		3313	if ($CFG{safe_eval}) {
2645	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2646	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2647	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2648		3322
2649	if ($@) {	3323	if ($@) {
2650	warn "$@";	3324	warn "$@",
2651	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2652	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2653	}	3327	}
2654		3328
2655	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2656	}	3330	}
2657		3331
…		…
2671	=cut	3345	=cut
2672		3346
2673	sub register_script_function {	3347	sub register_script_function {
2674	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2675		3349
2676	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2677	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2678	}	3352	}
2679		3353
2680	=back	3354	=back
2681		3355
2682	=cut	3356	=cut
…		…
2685	# the server's init and main functions	3359	# the server's init and main functions
2686		3360
2687	sub load_facedata($) {	3361	sub load_facedata($) {
2688	my ($path) = @_;	3362	my ($path) = @_;
2689		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2690	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2691		3371
2692	my $facedata;	3372	my $facedata;
2693	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2694	or die "$path: $!";	3374	or die "$path: $!";
2695		3375
2696	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2697		3377
2698	$facedata->{version} == 2	3378	$facedata->{version} == 2
2699	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2700		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
2701	{	3390	{
2702	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2703		3392
2704	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2709	Coro::cede;	3400
		3401	cf::cede_to_tick;
2710	}	3402	}
2711		3403
2712	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2714	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2715	or next;	3408	or next;
		3409
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3413	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3415	}
2721	Coro::cede;	3416
		3417	cf::cede_to_tick;
2722	}	3418	}
2723	}	3419	}
2724		3420
2725	{	3421	{
2726	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2727		3423
2728	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;	3426	cf::cede_to_tick;
2731	}	3427	}
2732		3428
2733	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2734	}	3430	}
2735		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2736	1	3451	1
2737	}	3452	}
2738		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2739	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2740	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2741	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2742	}	3484	}
2743		3485
2744	sub reload_facedata {	3486	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2746	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
2747	}	3489	}
2748		3490
2749	sub reload_archetypes {	3491	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3492	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3493	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references
2753	# this really needs to be done in an extra post-pass
2754	# (which needs to be synchronous, so solve it differently)
2755	load_resource_file "$DATADIR/archetypes"
2756	or die "unable to load archetypes\n";
2757	}	3494	}
2758		3495
2759	sub reload_treasures {	3496	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2762	}	3499	}
2763		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
2764	sub reload_resources {	3524	sub reload_resources {
2765	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2766		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2767	reload_regions;	3530	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3531	reload_treasures;
2772		3532
2773	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2774	}	3534	}
2775		3535
2776	sub init {	3536	sub reload_config {
2777	reload_resources;	3537	trace "reloading config file...\n";
2778	}
2779		3538
2780	sub cfg_load {
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2782	or return;	3540	or return;
2783		3541
2784	local $/;	3542	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2786		3544
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2788		3546
2789	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2790	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2791		3549
2792	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2794	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2795	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2796	};	3554	};
2797	warn $@ if $@;	3555	warn $@ if $@;
2798	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2799	}	3587	}
2800		3588
2801	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2802	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2804	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2805	(async {	3602	(async {
2806	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2807	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2808	};	3606	};
2809		3607
2810	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2811	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2812	load_extensions;	3631	load_extensions;
2813		3632
2814	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2815	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2816	}	3646	}
2817		3647
2818	#############################################################################	3648	#############################################################################
2819	# initialisation and cleanup	3649	# initialisation and cleanup
2820		3650
2821	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2822	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2831	},
2832	);	3657	};
2833	}	3658	}
2834	}	3659	}
2835		3660
2836	sub write_runtime {	3661	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2838		3663
2839	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2841		3666
2842	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		3668
2844	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2845		3670
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2847	or return;	3672	or return;
2848		3673
2849	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2862		3687
2863	close $fh	3688	close $fh
2864	or return;	3689	or return;
2865		3690
2866	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	3692	and return;
2868		3693
2869	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2870		3695
2871	1	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2872	}	3747	}
2873		3748
2874	sub emergency_save() {	3749	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2876		3751
2877	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2878		3758
2879	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2880	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2881	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2882	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2884	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	3770	$pl->save;
2888	}	3771	}
2889	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2890		3773
2891	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2892	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2893	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2894	$map->valid or next;	3779	$map->valid or next;
2895	$map->save;	3780	$map->save;
2896	}	3781	}
2897	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2898		3783
2899	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2901	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2902	};	3812	};
2903		3813
2904	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2905	}	3815	}
2906		3816
2907	sub post_cleanup {	3817	sub post_cleanup {
2908	my ($make_core) = @_;	3818	my ($make_core) = @_;
2909		3819
		3820	IO::AIO::flush;
		3821
2910	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2911	if $make_core;	3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
2912	}	3852	}
2913		3853
2914	sub do_reload_perl() {	3854	sub do_reload_perl() {
2915	# can/must only be called in main	3855	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2917	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2918	return;	3858	return;
2919	}	3859	}
2920		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2921	warn "reloading...";	3866	info "reloading...";
2922		3867
2923	warn "entering sync_job";	3868	trace "entering sync_job";
2924		3869
2925	cf::sync_job {	3870	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark
2927	cf::emergency_save;	3871	cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark
2929		3872
2930	warn "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;
2932
2933	# if anything goes wrong in here, we should simply crash as we already saved
2934
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;
2946	warn "iterate...";
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();	3875	%EXT_CORO = ();
2954		3876
2955	warn "removing commands";	3877	trace "removing commands";
2956	%COMMAND = ();	3878	%COMMAND = ();
2957		3879
2958	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
2959	%EXTCMD = ();	3881	%EXTCMD = ();
2960	%EXTICMD = ();	3882	%EXTICMD = ();
2961		3883
2962	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2965		3887
2966	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2967	eval {	3889	eval {
2968	$cb->($pkg);	3890	$cb->($pkg);
2969	1	3891	1
2970	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2971	}	3897	}
2972		3898
2973	warn "... nuking $pkg";
2974	Symbol::delete_package $pkg;
2975	}
2976
2977	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2978	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		3902
2981	warn "... unloading $k";	3903	trace "... unloading $k";
2982	delete $INC{$k};	3904	delete $INC{$k};
2983		3905
2984	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2986		3908
2987	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2988	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2989	}	3914	}
2990		3915
2991	Symbol::delete_package $k;
2992	}
2993
2994	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2997		3919
2998	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3001		3923
3002	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
3003	# and global variables created in xs	3925	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
3005		3927
3006	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
3007		3929
3008	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
3009	require cf;	3931	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
3011		3933
3012	warn "loading config and database again";	3934	trace "loading config and database again";
3013	cf::cfg_load;	3935	cf::reload_config;
3014		3936
3015	warn "loading extensions";	3937	trace "loading extensions";
3016	cf::load_extensions;	3938	cf::load_extensions;
3017		3939
		3940	if ($REATTACH_ON_RELOAD) {
3018	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
3021	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
3024		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
3025	warn "leaving sync_job";	3952	trace "leaving sync_job";
3026		3953
3027	1	3954	1
3028	} or do {	3955	} or do {
3029	warn $@;	3956	error $@;
3030	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
3031	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
3032	};	3962	}
3033		3963
3034	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
3035	};	3966	};
3036		3967
3037	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
3038		3969
3039	sub reload_perl() {	3970	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3042		3973
3043	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3044	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3045	after => 0,	3976
3046	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3047	cb => sub {
3048	do_reload_perl;	3978	do_reload_perl;
3049	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3050	},	3980	};
3051	);	3981	};
3052	}	3982	}
3053		3983
3054	register_command "reload" => sub {	3984	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3056		3986
3057	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	3991	reload_perl;
		3992	};
3060	}	3993	}
3061	};	3994	};
3062		3995
3063	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3064		3997
…		…
3066		3999
3067	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3069		4002
3070	sub wait_for_tick {	4003	sub wait_for_tick {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3073		4005
3074	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;	4008	$signal->wait;
3077	}	4009	}
3078		4010
3079	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3080	return unless $TICK_WATCHER->is_active;
3081	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3082		4013
3083	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	4016	$signal->wait;
3086	}	4017	}
3087		4018
3088	my $min = 1e6;#d#	4019	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3100	return;	4023	return;
3101	}	4024	}
3102		4025
3103	$NOW = $tick_start = Event::time;
3104
3105	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3106		4027
3107	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3108	for(1..10) {
3109	my $t = Event::time;
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3111	or die;
3112		4029
3113	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3114	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3115	$map->alloc;	4032	Coro::async_pool {
3116	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3117	my $t = Event::time - $t;	4034	write_runtime_sync
3118		4035	or error "ERROR: unable to write runtime file: $!";
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	4036	};
		4037	}
3129		4038
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	4040	$sig->send;
3146	}	4041	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3148	$sig->send;	4043	$sig->send;
3149	}	4044	}
3150		4045
3151	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		4048
3162	_post_tick;	4049	if (0) {
3163		4050	if ($NEXT_TICK) {
3164		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3165	},	4055	}
3166	);	4056	}
3167		4057
3168	{	4058	{
3169	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	4060
3171	reentrant => 0,
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3179		4062	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		4064
3195	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3196	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3197		4072
3198	cf::sync_job {	4073	cf::sync_job {
3199	eval {	4074	eval {
3200	BDB::db_env_open	4075	BDB::db_env_open
3201	$DB_ENV,	4076	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	4080	0666;
3206		4081
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	4083	};
3212		4084
3213	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	4086	};
3215	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
3216	}	4098	}
3217		4099
3218	{	4100	{
		4101	# configure IO::AIO
		4102
3219	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	4106	}
3232		4107
3233	my $_log_backtrace;	4108	my $_log_backtrace;
3234		4109
3235	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3238	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3239		4114
3240	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3242	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3243	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3244	my @bt = fork_call {	4122	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3248	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3256	}	4134	}
3257		4135
3258	@funcs	4136	@funcs
3259	};	4137	};
3260		4138
3261	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	4142	--$_log_backtrace;
3264	};	4143	};
3265	} else {	4144	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3267	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3268	}	4147	}
3269	}	4148	}
3270		4149
3271	# load additional modules	4150	# load additional modules
3272	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3273		4153
3274	END { cf::emergency_save }	4154	END { cf::emergency_save }
3275		4155
3276	1	4156	1
3277		4157

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