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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.539 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 $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	598	reset_signals;
436	local $SIG{__WARN__};	599	&$cb
437	local $SIG{__DIE__};	600	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		601
443	my @res = eval { $cb->(@args) };	602	wantarray ? @res : $res[-1]
		603	}
444		604
445	open my $fh, ">", \my $buf	605	sub objinfo {
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	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
460	}	641	}
461		642
462	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
463		644
464	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
467		648
468	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
469	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).
470		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
471	=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	}
472		678
473	our $DB;	679	our $DB;
474		680
475	sub db_init {	681	sub db_init {
476	unless ($DB) {	682	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	683	}
491		684
492	sub db_get($$) {	685	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
494		687
495	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
496	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
497		692
498	$! ? ()	693	$! ? ()
499	: $data	694	: $data
500	}
501	}	695	}
502		696
503	sub db_put($$$) {	697	sub db_put($$$) {
504	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
544	if (1) {	738	if (1) {
545	$md5 =	739	$md5 =
546	join "\x00",	740	join "\x00",
547	$processversion,	741	$processversion,
548	map {	742	map {
549	Coro::cede;	743	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	745	} 0.. $#$src;
552		746
553		747
554	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		755
562	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	757	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
565		759
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		761
568	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
571		765
…		…
581		775
582	=cut	776	=cut
583		777
584	sub datalog($@) {	778	sub datalog($@) {
585	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	781	}
588		782
589	=back	783	=back
590		784
591	=cut	785	=cut
592		786
593	#############################################################################	787	#############################################################################
594		788
595	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
596		790
597	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
598	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")
599	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
600		794
601	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>
602	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
603	Crossfire TRT).	797	Deliantra).
604		798
605	=over 4	799	=over 4
606		800
607	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
608		802
…		…
652	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
653		847
654	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
655	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
656		850
657	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
659		853
660	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
661		855
662	=over 4	856	=over 4
…		…
786		980
787	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		983
790	} elsif (ref $type) {	984	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
792		986
793	} else {	987	} else {
794	shift @arg;	988	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
796	}	990	}
797	}	991	}
798	}	992	}
799		993
800	sub _object_attach {	994	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
811	}	1005	}
812		1006
813	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
814	} else {	1008	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1010	}
817		1011
818	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
819	}	1013	}
820		1014
…		…
860	";	1054	";
861	die if $@;	1055	die if $@;
862	}	1056	}
863		1057
864	our $override;	1058	our $override;
865	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?
866		1060
867	sub override {	1061	sub override {
868	$override = 1;	1062	$override = 1;
869	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
870	}	1064	}
871		1065
872	sub do_invoke {	1066	sub do_invoke {
873	my $event = shift;	1067	my $event = shift;
874	my $callbacks = shift;	1068	my $callbacks = shift;
875		1069
876	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
877		1071
878	local $override;	1072	local $override;
879		1073
880	for (@$callbacks) {	1074	for (@$callbacks) {
881	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
882		1076
883	if ($@) {	1077	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1079	override;
887	}	1080	}
888		1081
889	return 1 if $override;	1082	return 1 if $override;
890	}	1083	}
891		1084
892	0	1085	0
893	}	1086	}
894		1087
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1089
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1091
899	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
900		1093
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1097
905	=back	1098	=back
906		1099
907	=cut	1100	=cut
908		1101
909	#############################################################################	1102	#############################################################################
910	# 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	}
911		1146
912	sub reattach {	1147	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1149	my ($obj) = @_;
915		1150
		1151	# no longer needed after getting rid of delete_package?
916	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
917		1153
918	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
919		1155
920	@$registry = ();	1156	@$registry = ();
921		1157
…		…
926	for (@$attach) {	1162	for (@$attach) {
927	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
929	}	1165	}
930	} else {	1166	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1168	}
933	}	1169	}
934	}	1170	}
935		1171
936	cf::attachable->attach (	1172	cf::attachable->attach (
937	prio => -1000000,	1173	prio => -1000000,
938	on_instantiate => sub {	1174	on_instantiate => sub {
939	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
940		1176
941	$data = from_json $data;	1177	$data = decode_json $data;
942		1178
943	for (@$data) {	1179	for (@$data) {
944	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
945		1181
946	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1198	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
964		1200
965	sync_job {	1201	sync_job {
966	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
969		1207
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1215	aio_close $fh;
975		1216
976	if (@$objs) {	1217	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1226	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
984	}	1228	}
985	} else {	1229	} else {
986	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
987	}	1231	}
988		1232
989	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1237	} else {
991	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
992	}	1239	}
993	} else {	1240	} else {
994	aio_unlink $filename;	1241	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
996	}	1243	}
997	}	1244	};
998	}	1245	}
999		1246
1000	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1002		1249
…		…
1014	or return;	1261	or return;
1015		1262
1016	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1265	or return;
		1266
1019	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1020	}	1269	}
1021		1270
		1271	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1024	return ($data, $av);	1276	($data, $av)
1025	}	1277	}
1026		1278
1027	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1028		1280
1029	=over 4	1281	=over 4
…		…
1083	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1084		1336
1085	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1086	}	1338	}
1087		1339
		1340	use File::Glob ();
		1341
1088	cf::player->attach (	1342	cf::player->attach (
1089	on_command => sub {	1343	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1091		1345
1092	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1093	or return;	1347	or return;
1094		1348
…		…
1102	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1103		1357
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1359
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1112	} else {	1375	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1377	}
1115		1378
1116	cf::override;	1379	cf::override;
1117	},	1380	},
1118	);	1381	);
1119		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
1120	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1121	cf::sync_job {	1399	cf::sync_job {
1122	my %todo;	1400	my %todo;
1123		1401
1124	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1403	next unless -r $path;
…		…
1143		1421
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1424
1147	$ext{source} =	1425	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1150	. $source	1428	. $source
1151	. "\n};\n1";	1429	. "\n};\n1";
1152		1430
1153	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1154	}	1432	}
1155		1433
		1434	my $pass = 0;
1156	my %done;	1435	my %done;
1157	while (%todo) {	1436	while (%todo) {
1158	my $progress;	1437	my $progress;
1159		1438
		1439	++$pass;
		1440
		1441	ext:
1160	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1444	next ext
1163	unless exists $done{$_};	1445	unless exists $done{$_};
1164	}	1446	}
1165		1447
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1449
1168	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1171		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1173	warn $msg;	1458
1174	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1460	delete $todo{$k};
1176	}	1461	} else {
1177		1462	$done{$k} = delete $todo{$k};
1178	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1179	}	1468	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1469	}
1185		1470
1186	skip:	1471	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	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	}
1189	}	1479	}
1190	};	1480	};
1191	}	1481	}
1192		1482
1193	#############################################################################	1483	#############################################################################
1194		1484
1195	=back	1485	=back
1196		1486
1197	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1198		1488
1199	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1200		1490
1201	=cut	1491	=cut
1202		1492
1203	package cf::player;	1493	package cf::player;
1204		1494
1205	use Coro::AIO;	1495	use Coro::AIO;
1206		1496
1207	=head3 cf::player	1497	=head3 cf::player
1208		1498
1209	=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	}
1210		1514
1211	=item cf::player::find $login	1515	=item cf::player::find $login
1212		1516
1213	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1214		1518
…		…
1233		1537
1234	sub exists($) {	1538	sub exists($) {
1235	my ($login) = @_;	1539	my ($login) = @_;
1236		1540
1237	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1239	}	1543	}
1240		1544
1241	sub find($) {	1545	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1547	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1558
1255	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1258	}	1568	}
1259	}	1569	}
1260	}	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	);
1261		1584
1262	sub save($) {	1585	sub save($) {
1263	my ($pl) = @_;	1586	my ($pl) = @_;
1264		1587
1265	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1271		1594
1272	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1274		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
1275	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1276	Coro::cede;	1604	cf::cede_to_tick;
1277	}	1605	}
1278		1606
1279	sub new($) {	1607	sub new($) {
1280	my ($login) = @_;	1608	my ($login) = @_;
1281		1609
…		…
1287	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1288		1616
1289	$self	1617	$self
1290	}	1618	}
1291		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
1292	=item $pl->quit_character	1630	=item $pl->quit_character
1293		1631
1294	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
1295	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1296		1634
…		…
1300	my ($pl) = @_;	1638	my ($pl) = @_;
1301		1639
1302	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1303		1641
1304	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1305	$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
1306		1644
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1311		1650
1312	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1688	or return [];
1350		1689
1351	my @logins;	1690	my @logins;
1352		1691
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1357		1702
1358	utf8::decode $login;	1703	utf8::decode $login;
1359	push @logins, $login;	1704	push @logins, $login;
1360	}	1705	}
1361		1706
1362	\@logins	1707	\@logins
1363	}	1708	}
1364		1709
1365	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1366		1713
1367	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1368	player. May block.	1715	player. May block.
1369		1716
1370	=cut	1717	=cut
…		…
1388	}	1735	}
1389		1736
1390	\@paths	1737	\@paths
1391	}	1738	}
1392		1739
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1741
1395	Expand crossfire pod fragments into protocol xml.	1742	Expand deliantra pod fragments into protocol xml.
1396		1743
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1444		1745
1445	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1446		1747
1447	=cut	1748	=cut
1448		1749
1449	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1451		1752
1452	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1754	}
1455		1755
1456	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1457		1757
1458	Sends an ext event to the client.	1758	Sends an ext event to the client.
1459		1759
1460	=cut	1760	=cut
1461		1761
1462	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1464		1764
1465	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1466	}	1766	}
1467		1767
1468	=head3 cf::region	1768	=head3 cf::region
1469		1769
1470	=over 4	1770	=over 4
…		…
1480	=cut	1780	=cut
1481		1781
1482	sub find_by_path($) {	1782	sub find_by_path($) {
1483	my ($path) = @_;	1783	my ($path) = @_;
1484		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1485	my ($match, $specificity);	1787	my ($match, $specificity);
1486		1788
1487	for my $region (list) {	1789	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1491	}	1793	}
1492	}	1794	}
1493		1795
…		…
1514	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1516		1818
1517	sub generate_random_map {	1819	sub generate_random_map {
1518	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
1519	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1825	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1542		1847
1543	sub register {	1848	sub register {
1544	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1850	my $pkg = caller;
1546		1851
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1853
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1855	}
1552		1856
1553	# also paths starting with '/'	1857	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1859
1556	sub thawer_merge {	1860	sub thawer_merge {
1557	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1558		1862
1559	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1613	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1614	return $self;	1918	return $self;
1615	}	1919	}
1616	}	1920	}
1617		1921
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1923	()
1620	}	1924	}
1621		1925
1622	sub init {	1926	sub init {
1623	my ($self) = @_;	1927	my ($self) = @_;
…		…
1645		1949
1646	# the temporary/swap location	1950	# the temporary/swap location
1647	sub save_path {	1951	sub save_path {
1648	my ($self) = @_;	1952	my ($self) = @_;
1649		1953
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1652	}	1956	}
1653		1957
1654	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1655	sub uniq_path {	1959	sub uniq_path {
1656	my ($self) = @_;	1960	my ($self) = @_;
1657		1961
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1964	}
1670		1965
1671	sub decay_objects {	1966	sub decay_objects {
1672	my ($self) = @_;	1967	my ($self) = @_;
1673		1968
…		…
1686		1981
1687	sub load_header_from($) {	1982	sub load_header_from($) {
1688	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1689		1984
1690	utf8::encode $path;	1985	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	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;
1696		1994
1697	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1698		1996
1699	1	1997	1
1700	}	1998	}
…		…
1754	sub find {	2052	sub find {
1755	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1756		2054
1757	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1758		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2059
1761	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1764	or return;	2062	or return;
1765		2063
1766	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1767		2065
…		…
1769	or return;	2067	or return;
1770		2068
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1774	$map->reset;	2074	$map->reset;
1775	undef $guard;
1776	return find $path;	2075	return find $path;
1777	}	2076	}
1778		2077
1779	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1780	}	2079	}
1781	}	2080	}
1782		2081
1783	sub pre_load { }	2082	sub pre_load { }
1784	sub post_load { }	2083	#sub post_load { } # XS
1785		2084
1786	sub load {	2085	sub load {
1787	my ($self) = @_;	2086	my ($self) = @_;
1788		2087
1789	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1790		2089
1791	my $path = $self->{path};	2090	my $path = $self->{path};
1792		2091
1793	{	2092	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1795		2094
		2095	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2097
1798	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1799		2099
1800	$self->alloc;	2100	$self->alloc;
1801		2101
1802	$self->pre_load;	2102	$self->pre_load;
1803	Coro::cede;	2103	cf::cede_to_tick;
1804		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1806	or return;	2108	or return;
1807		2109
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1809	if delete $self->{load_original};	2111	if delete $self->{load_original};
1810		2112
1811	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2114	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2117	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1816	}	2121	}
1817	}	2122	}
1818		2123
1819	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1820	# now do the right thing for maps	2127	# now do the right thing for maps
1821	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2130	unless $self->difficulty;
1824	Coro::cede;	2131	cf::cede_to_tick;
1825		2132
1826	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2134	$self->decay_objects;
1828	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1829	$self->update_buttons;	2136	$self->update_buttons;
1830	Coro::cede;	2137	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2138	$self->activate;
1834	}	2139	}
1835		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2145	}
1838		2146
1839	$self->post_load;	2147	$self->post_load;
1840	}	2148	}
1841		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
1842	sub customise_for {	2153	sub customise_for {
1843	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1844		2155
1845	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2157	if $self->per_player;
…		…
1850		2161
1851	$self	2162	$self
1852	}	2163	}
1853		2164
1854	# 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
1855	sub load_diag {	2166	sub load_neighbours {
1856	my ($map) = @_;	2167	my ($map) = @_;
1857		2168
1858	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1859		2170
1860	for (0 .. 3) {	2171	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1862	or next;	2173	or next;
1863	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1864	or next;	2175	or next;
1865	$neigh->load;	2176	$neigh->load;
1866		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2182	}
1870		2183
1871	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1873	or next;	2187	or next;
1874	$neigh->load;	2188	$neigh->load;
1875	}	2189	}
1876	}	2190	}
1877		2191
1878	sub find_sync {	2192	sub find_sync {
1879	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1880		2194
1881	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
1882	}	2199	}
1883		2200
1884	sub do_load_sync {	2201	sub do_load_sync {
1885	my ($map) = @_;	2202	my ($map) = @_;
1886		2203
1887	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;
1888	}	2208	}
1889		2209
1890	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1892		2212
1893	sub find_async {	2213	sub find_async {
1894	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1895		2215
1896	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1897		2217
1898	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2220	}
1901		2221
1902	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1903	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1904	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2229	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2230	$map->load if $v;
		2231	}
1909		2232
1910	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1911	}	2234	}
1912	}	2235	}
1913	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1914	};	2237	};
1915	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1916		2239
1917	()	2240	()
1918	}	2241	}
1919		2242
		2243	# common code, used by both ->save and ->swapout
1920	sub save {	2244	sub _save {
1921	my ($self) = @_;	2245	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2246
1925	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1926		2248
1927	return unless $self->dirty;	2249	return unless $self->dirty;
1928		2250
…		…
1934	return if $self->{deny_save};	2256	return if $self->{deny_save};
1935		2257
1936	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1937		2259
1938	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1940	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1941		2266
1942	if ($uniq) {	2267	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2270	} else {
1946	$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);
1947	}	2272	}
1948	}	2273	}
1949		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1950	sub swap_out {	2283	sub swap_out {
1951	my ($self) = @_;	2284	my ($self) = @_;
1952		2285
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1958	return if $self->players;	2290	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		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
1962	$self->clear;	2301	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2302	}
1965		2303
1966	sub reset_at {	2304	sub reset_at {
1967	my ($self) = @_;	2305	my ($self) = @_;
1968		2306
…		…
1986		2324
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2326
1989	return if $self->players;	2327	return if $self->players;
1990		2328
1991	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1992		2330
1993	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1994		2332
1995	# need to save uniques path	2333	# need to save uniques path
1996	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2338	if $uniq;
2001	}	2339	}
2002		2340
2003	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
2004		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2345	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2346
2009	$self->unlink_save;	2347	$self->unlink_save;
2010	$self->destroy;	2348	$self->destroy;
2011	}	2349	}
2012		2350
2013	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
2014		2352
2015	sub nuke {	2353	sub nuke {
2016	my ($self) = @_;	2354	my ($self) = @_;
2017		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
2018	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
2019		2360
2020	$self->unlink_save;	2361	$self->unlink_save;
2021		2362
2022	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2368
2028	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
2029		2371
2030	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2031	}	2373	}
2032		2374
2033	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2075		2417
2076	sub unique_maps() {	2418	sub unique_maps() {
2077	[	2419	[
2078	map {	2420	map {
2079	utf8::decode $_;	2421	utf8::decode $_;
2080	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2081	? normalise $_	2425	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2427	]
2085	}	2428	}
2086		2429
2087	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	}
2088		2461
2089	=back	2462	=back
2090		2463
2091	=head3 cf::object	2464	=head3 cf::object
2092		2465
…		…
2096		2469
2097	=over 4	2470	=over 4
2098		2471
2099	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2100		2473
2101	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.
2102		2476
2103	=cut	2477	=cut
2104		2478
2105	sub inv_recursive_;	2479	sub inv_recursive_;
2106	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2109		2483
2110	sub inv_recursive {	2484	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2112	}	2486	}
2113		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
2114	package cf;	2516	package cf;
2115		2517
2116	=back	2518	=back
2117		2519
2118	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2124	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>
2125	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
2126	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2127		2529
2128	=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	};
2129		2545
2130	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2547	# with dialog boxes.
2132	#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
2133	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2140		2556
2141	} else {	2557	} else {
2142	my $pl = $self->contr;	2558	my $pl = $self->contr;
2143		2559
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2563
2153	} else {	2564	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2567	}
2157	}	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 (@_);
2158	}	2579	}
2159		2580
2160	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2161		2582
2162	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2175		2596
2176	=item $player_object->enter_link	2597	=item $player_object->enter_link
2177		2598
2178	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}>).
2179		2600
2180	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.
2181	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.
2182		2605
2183	Will never block.	2606	Will never block.
2184		2607
2185	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2186		2609
…		…
2206	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2630	my ($self) = @_;
2208		2631
2209	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2210		2633
		2634	++$self->{_link_recursion};
		2635
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2637
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2215		2640
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2642	}
2218		2643
2219	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2221		2646
…		…
2238	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2240		2665
2241	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2244		2669
2245	$map->load;	2670	$map->load;
2246	$map->load_diag;	2671	$map->load_neighbours;
2247		2672
2248	return unless $self->contr->active;	2673	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2674
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2253	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2254		2682
		2683	}
		2684
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2686
2257	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
2258	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2689	that has to return the map if sucecssful, and then unfreezes the player on
2260	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 >>.
2261		2695
2262	=cut	2696	=cut
2263		2697
2264	our $GOTOGEN;	2698	our $GOTOGEN;
2265		2699
2266	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2267	my ($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	}
2268		2708
2269	# 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
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2711
2272	$self->enter_link;	2712	$self->enter_link;
2273		2713
2274	(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
2275	my $map = eval {	2736	my $map = eval {
2276	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2277		2738
2278	if ($map) {	2739	if ($map) {
2279	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2742	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2744	}
2284		2745
2285	$map	2746	$map
2286	};	2747	};
2287		2748
…		…
2292		2753
2293	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2296	}	2757	}
		2758
		2759	$done->($self) if $done;
2297	})->prio (1);	2760	})->prio (1);
2298	}	2761	}
2299		2762
2300	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2301		2764
…		…
2321	}	2784	}
2322		2785
2323	sub prepare_random_map {	2786	sub prepare_random_map {
2324	my ($exit) = @_;	2787	my ($exit) = @_;
2325		2788
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2791	# that depends on the exit object
2331		2792
2332	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2795	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2339	}	2802	}
2340		2803
2341	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2342		2805
2343	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2346		2809
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2812	undef $fh;
2350	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2351		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2354	}	2821	}
2355	}	2822	}
2356		2823
2357	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2359		2826
2360	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2361		2828
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2829	$self->enter_link;
2374		2830
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2831	(async {
2380	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2381	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
2382	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2383		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
2384	1;	2855	1
2385	}) {	2856	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "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. "
2388	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2861
2391	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2863	$self->leave_link;
2393	}	2864	}
2394	})->prio (1);	2865	})->prio (1);
2395	}	2866	}
2396		2867
…		…
2410		2881
2411	utf8::encode $text;	2882	utf8::encode $text;
2412	$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);
2413	}	2884	}
2414		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
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2912
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2914	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2421		2917
2422	=cut	2918	=cut
2423		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" => $CHAT_CHANNEL,
		3032	);
		3033
2424	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3036
2427	$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	}
2428		3058
2429	return unless @extra || length $msg;	3059	return unless @extra || length $msg;
2430		3060
2431	if ($self->can_msg) {	3061	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3063	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3064
2444	if ($color >= 0) {	3065	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3066	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3068	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2455	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2456		3074
2457	Sends an ext event to the client.	3075	Sends an ext event to the client.
2458		3076
2459	=cut	3077	=cut
2460		3078
2461	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2463		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2465	$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	}
2466	}	3106	}
2467		3107
2468	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2469		3109
2470	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3165	my ($ns, $buf) = @_;
2526		3166
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3168
2529	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
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3177	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3178	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2536	} else {	3184	} else {
2537	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";
2538	}	3186	}
2539		3187
2540	cf::override;	3188	cf::override;
2541	},	3189	},
2542	);	3190	);
…		…
2562		3210
2563	$coro	3211	$coro
2564	}	3212	}
2565		3213
2566	cf::client->attach (	3214	cf::client->attach (
2567	on_destroy => sub {	3215	on_client_destroy => sub {
2568	my ($ns) = @_;	3216	my ($ns) = @_;
2569		3217
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3219	},
2572	);	3220	);
…		…
2587	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2589		3237
2590	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2591		3239
2592	$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	));
2593		3245
2594	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2595		3247
2596	=pod	3248	=pod
2597		3249
2598	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2599		3251
2600	cf::object	3252	cf::object
2601	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
2602	insert remove	3254	insert remove name archname title slaying race decrease split
		3255	value
2603		3256
2604	cf::object::player	3257	cf::object::player
2605	player	3258	player
2606		3259
2607	cf::player	3260	cf::player
…		…
2612		3265
2613	=cut	3266	=cut
2614		3267
2615	for (	3268	for (
2616	["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
2617	insert remove)],	3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2621	) {	3275	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3278	for @funs;
2626	}	3279	}
2627		3280
…		…
2642		3295
2643	my $qcode = $code;	3296	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2646		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2647	local $_;	3303	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3304
2650	my $eval =	3305	my $eval =
2651	"do {\n"	3306	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3309	. $code
2655	. "\n}"	3310	. "\n}"
2656	;	3311	;
2657		3312
		3313	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	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	}
2661		3322
2662	if ($@) {	3323	if ($@) {
2663	warn "$@";	3324	warn "$@",
2664	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2666	}	3327	}
2667		3328
2668	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2669	}	3330	}
2670		3331
…		…
2684	=cut	3345	=cut
2685		3346
2686	sub register_script_function {	3347	sub register_script_function {
2687	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2688		3349
2689	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2691	}	3352	}
2692		3353
2693	=back	3354	=back
2694		3355
2695	=cut	3356	=cut
…		…
2698	# the server's init and main functions	3359	# the server's init and main functions
2699		3360
2700	sub load_facedata($) {	3361	sub load_facedata($) {
2701	my ($path) = @_;	3362	my ($path) = @_;
2702		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
2703	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2704		3371
2705	my $facedata;	3372	my $facedata;
2706	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3374	or die "$path: $!";
2708		3375
2709	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2710		3377
2711	$facedata->{version} == 2	3378	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		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
2714	{	3390	{
2715	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2716		3392
2717	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3400
		3401	cf::cede_to_tick;
2723	}	3402	}
2724		3403
2725	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2727	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2728	or next;	3408	or next;
		3409
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3413	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3415	}
2734	Coro::cede;	3416
		3417	cf::cede_to_tick;
2735	}	3418	}
2736	}	3419	}
2737		3420
2738	{	3421	{
2739	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2740		3423
2741	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3426	cf::cede_to_tick;
2744	}	3427	}
2745		3428
2746	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2747	}	3430	}
2748		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
2749	1	3451	1
2750	}	3452	}
2751		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
2752	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
2753	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2754	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	}
2755	}	3484	}
2756		3485
2757	sub reload_facedata {	3486	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
2760	}	3489	}
2761		3490
2762	sub reload_archetypes {	3491	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3492	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3493	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3494	}
2771		3495
2772	sub reload_treasures {	3496	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2775	}	3499	}
2776		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
2777	sub reload_resources {	3524	sub reload_resources {
2778	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2779		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2780	reload_regions;	3530	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3531	reload_treasures;
2785		3532
2786	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2787	}	3534	}
2788		3535
2789	sub init {	3536	sub reload_config {
2790	reload_resources;	3537	trace "reloading config file...\n";
2791	}
2792		3538
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3540	or return;
2796		3541
2797	local $/;	3542	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2799		3544
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3546
2802	$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};
2803	$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};
2804		3549
2805	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2808	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2809	};	3554	};
2810	warn $@ if $@;	3555	warn $@ if $@;
2811	}	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;
2812	}	3587	}
2813		3588
2814	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
2815	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2817	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#
2818	(async {	3602	(async {
2819	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2821	};	3606	};
2822		3607
2823	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;
2824	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
2825	load_extensions;	3631	load_extensions;
2826		3632
2827	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2828	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;
2829	}	3646	}
2830		3647
2831	#############################################################################	3648	#############################################################################
2832	# initialisation and cleanup	3649	# initialisation and cleanup
2833		3650
2834	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2835	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2844	},
2845	);	3657	};
2846	}	3658	}
2847	}	3659	}
2848		3660
2849	sub write_runtime {	3661	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2851		3663
2852	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2854		3666
2855	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3668
2857	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2858		3670
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3672	or return;
2861		3673
2862	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2875		3687
2876	close $fh	3688	close $fh
2877	or return;	3689	or return;
2878		3690
2879	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3692	and return;
2881		3693
2882	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3695
2884	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 };
2885	}	3747	}
2886		3748
2887	sub emergency_save() {	3749	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2889		3751
2890	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;
2891		3758
2892	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2893	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3770	$pl->save;
2901	}	3771	}
2902	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2903		3773
2904	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";
2905	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3779	$map->valid or next;
2908	$map->save;	3780	$map->save;
2909	}	3781	}
2910	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2911		3783
2912	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";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2914	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
2915	};	3812	};
2916		3813
2917	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2918	}	3815	}
2919		3816
2920	sub post_cleanup {	3817	sub post_cleanup {
2921	my ($make_core) = @_;	3818	my ($make_core) = @_;
2922		3819
		3820	IO::AIO::flush;
		3821
2923	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2924	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	}
2925	}	3852	}
2926		3853
2927	sub do_reload_perl() {	3854	sub do_reload_perl() {
2928	# can/must only be called in main	3855	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2930	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2931	return;	3858	return;
2932	}	3859	}
2933		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2934	warn "reloading...";	3866	info "reloading...";
2935		3867
2936	warn "entering sync_job";	3868	trace "entering sync_job";
2937		3869
2938	cf::sync_job {	3870	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3871	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3872
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3875	%EXT_CORO = ();
2967		3876
2968	warn "removing commands";	3877	trace "removing commands";
2969	%COMMAND = ();	3878	%COMMAND = ();
2970		3879
2971	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
2972	%EXTCMD = ();	3881	%EXTCMD = ();
2973	%EXTICMD = ();	3882	%EXTICMD = ();
2974		3883
2975	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2978		3887
2979	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3889	eval {
2981	$cb->($pkg);	3890	$cb->($pkg);
2982	1	3891	1
2983	} 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;
2984	}	3897	}
2985		3898
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3902
2994	warn "... unloading $k";	3903	trace "... unloading $k";
2995	delete $INC{$k};	3904	delete $INC{$k};
2996		3905
2997	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2999		3908
3000	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
3002	}	3914	}
3003		3915
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
3009	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);
3010		3919
3011	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3923
3015	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3925	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
3018		3927
3019	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
3020		3929
3021	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
3022	require cf;	3931	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
3024		3933
3025	warn "loading config and database again";	3934	trace "loading config and database again";
3026	cf::cfg_load;	3935	cf::reload_config;
3027		3936
3028	warn "loading extensions";	3937	trace "loading extensions";
3029	cf::load_extensions;	3938	cf::load_extensions;
3030		3939
		3940	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
3037		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
3038	warn "leaving sync_job";	3952	trace "leaving sync_job";
3039		3953
3040	1	3954	1
3041	} or do {	3955	} or do {
3042	warn $@;	3956	error $@;
3043	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
3044	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
3045	};	3962	}
3046		3963
3047	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
3048	};	3966	};
3049		3967
3050	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
3051		3969
3052	sub reload_perl() {	3970	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3055		3973
3056	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3976
3059	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3978	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3063	},	3980	};
3064	);	3981	};
3065	}	3982	}
3066		3983
3067	register_command "reload" => sub {	3984	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3069		3986
3070	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3991	reload_perl;
		3992	};
3073	}	3993	}
3074	};	3994	};
3075		3995
3076	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3077		3997
…		…
3079		3999
3080	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3082		4002
3083	sub wait_for_tick {	4003	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4005
3087	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4008	$signal->wait;
3090	}	4009	}
3091		4010
3092	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4013
3096	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4016	$signal->wait;
3099	}	4017	}
3100		4018
3101	my $min = 1e6;#d#	4019	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3113	return;	4023	return;
3114	}	4024	}
3115		4025
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3119		4027
3120	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4029
3126	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4032	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4034	write_runtime_sync
3131		4035	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4036	};
		4037	}
3142		4038
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4040	$sig->send;
3159	}	4041	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4043	$sig->send;
3162	}	4044	}
3163		4045
3164	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4048
3175	_post_tick;	4049	if (0) {
3176		4050	if ($NEXT_TICK) {
3177		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3178	},	4055	}
3179	);	4056	}
3180		4057
3181	{	4058	{
3182	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4060
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3192		4062	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4064
3208	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3209	$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);
3210		4072
3211	cf::sync_job {	4073	cf::sync_job {
3212	eval {	4074	eval {
3213	BDB::db_env_open	4075	BDB::db_env_open
3214	$DB_ENV,	4076	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4080	0666;
3219		4081
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4083	};
3225		4084
3226	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4086	};
3228	}	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	};
3229	}	4098	}
3230		4099
3231	{	4100	{
		4101	# configure IO::AIO
		4102
3232	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4106	}
3245		4107
3246	my $_log_backtrace;	4108	my $_log_backtrace;
3247		4109
3248	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3252		4114
3253	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3256	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3257	my @bt = fork_call {	4122	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	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 |"
3261	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3269	}	4134	}
3270		4135
3271	@funcs	4136	@funcs
3272	};	4137	};
3273		4138
3274	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4142	--$_log_backtrace;
3277	};	4143	};
3278	} else {	4144	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3281	}	4147	}
3282	}	4148	}
3283		4149
3284	# load additional modules	4150	# load additional modules
3285	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3286		4153
3287	END { cf::emergency_save }	4154	END { cf::emergency_save }
3288		4155
3289	1	4156	1
3290		4157

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