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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	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	238	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.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[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	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	518	=cut
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if (in_main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
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	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413		591
414	sub fork_call(&@) {	592	sub fork_call(&@) {
415	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
416		594
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		598
422	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	600	reset_signals;
435	local $SIG{__WARN__};	601	&$cb
436	local $SIG{__DIE__};	602	}, @args;
437	eval {
438	close $fh1;
439		603
440	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
442	};
443		606
444	warn $@ if $@;	607	sub objinfo {
445	_exit 0;
446	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
447	}	643	}
448		644
449	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
450		646
451	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
454		650
455	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
458	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
459		680
460	our $DB;	681	our $DB;
461		682
462	sub db_init {	683	sub db_init {
463	unless ($DB) {	684	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	685	}
478		686
479	sub db_get($$) {	687	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
481		689
482	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
483	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
484		694
485	$! ? ()	695	$! ? ()
486	: $data	696	: $data
487	}
488	}	697	}
489		698
490	sub db_put($$$) {	699	sub db_put($$$) {
491	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	740	if (1) {
532	$md5 =	741	$md5 =
533	join "\x00",	742	join "\x00",
534	$processversion,	743	$processversion,
535	map {	744	map {
536	Coro::cede;	745	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	747	} 0.. $#$src;
539		748
540		749
541	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		757
549	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	759	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
552		761
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		763
555	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
558		767
…		…
568		777
569	=cut	778	=cut
570		779
571	sub datalog($@) {	780	sub datalog($@) {
572	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	783	}
575		784
576	=back	785	=back
577		786
578	=cut	787	=cut
579		788
580	#############################################################################	789	#############################################################################
581		790
582	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
583		792
584	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
587		796
588	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	799	Deliantra).
591		800
592	=over 4	801	=over 4
593		802
594	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
595		804
…		…
639	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
640		849
641	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
643		852
644	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
646		855
647	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
648		857
649	=over 4	858	=over 4
…		…
773		982
774	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		985
777	} elsif (ref $type) {	986	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
779		988
780	} else {	989	} else {
781	shift @arg;	990	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
783	}	992	}
784	}	993	}
785	}	994	}
786		995
787	sub _object_attach {	996	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
798	}	1007	}
799		1008
800	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
801	} else {	1010	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1012	}
804		1013
805	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
806	}	1015	}
807		1016
…		…
847	";	1056	";
848	die if $@;	1057	die if $@;
849	}	1058	}
850		1059
851	our $override;	1060	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1062
854	sub override {	1063	sub override {
855	$override = 1;	1064	$override = 1;
856	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
857	}	1066	}
858		1067
859	sub do_invoke {	1068	sub do_invoke {
860	my $event = shift;	1069	my $event = shift;
861	my $callbacks = shift;	1070	my $callbacks = shift;
862		1071
863	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
864		1073
865	local $override;	1074	local $override;
866		1075
867	for (@$callbacks) {	1076	for (@$callbacks) {
868	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
869		1078
870	if ($@) {	1079	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1081	override;
874	}	1082	}
875		1083
876	return 1 if $override;	1084	return 1 if $override;
877	}	1085	}
878		1086
879	0	1087	0
880	}	1088	}
881		1089
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1091
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1093
886	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
887		1095
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1099
892	=back	1100	=back
893		1101
894	=cut	1102	=cut
895		1103
896	#############################################################################	1104	#############################################################################
897	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
898		1148
899	sub reattach {	1149	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1151	my ($obj) = @_;
902		1152
		1153	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1155
905	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
906		1157
907	@$registry = ();	1158	@$registry = ();
908		1159
…		…
913	for (@$attach) {	1164	for (@$attach) {
914	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
916	}	1167	}
917	} else {	1168	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1170	}
920	}	1171	}
921	}	1172	}
922		1173
923	cf::attachable->attach (	1174	cf::attachable->attach (
924	prio => -1000000,	1175	prio => -1000000,
925	on_instantiate => sub {	1176	on_instantiate => sub {
926	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
927		1178
928	$data = from_json $data;	1179	$data = decode_json $data;
929		1180
930	for (@$data) {	1181	for (@$data) {
931	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
932		1183
933	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1200	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
951		1202
952	sync_job {	1203	sync_job {
953	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
956		1209
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
961	close $fh;	1217	aio_close $fh;
962		1218
963	if (@$objs) {	1219	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
969	close $fh;	1228	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
971	}	1230	}
972	} else {	1231	} else {
973	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
974	}	1233	}
975		1234
976	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1239	} else {
978	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
979	}	1241	}
980	} else {	1242	} else {
981	aio_unlink $filename;	1243	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
983	}	1245	}
984	}	1246	};
985	}	1247	}
986		1248
987	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
989		1251
…		…
1001	or return;	1263	or return;
1002		1264
1003	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1267	or return;
		1268
1006	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1007	}	1271	}
1008		1272
		1273	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1011	return ($data, $av);	1278	($data, $av)
1012	}	1279	}
1013		1280
1014	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1015		1282
1016	=over 4	1283	=over 4
…		…
1070	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1071		1338
1072	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1073	}	1340	}
1074		1341
		1342	use File::Glob ();
		1343
1075	cf::player->attach (	1344	cf::player->attach (
1076	on_command => sub {	1345	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1078		1347
1079	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1080	or return;	1349	or return;
1081		1350
…		…
1089	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1090		1359
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1361
1093	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1099	} else {	1377	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1379	}
1102		1380
1103	cf::override;	1381	cf::override;
1104	},	1382	},
1105	);	1383	);
1106		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1107	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1108	cf::sync_job {	1401	cf::sync_job {
1109	my %todo;	1402	my %todo;
1110		1403
1111	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1405	next unless -r $path;
…		…
1130		1423
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1426
1134	$ext{source} =	1427	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1137	. $source	1430	. $source
1138	. "\n};\n1";	1431	. "\n};\n1";
1139		1432
1140	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1141	}	1434	}
1142		1435
		1436	my $pass = 0;
1143	my %done;	1437	my %done;
1144	while (%todo) {	1438	while (%todo) {
1145	my $progress;	1439	my $progress;
1146		1440
		1441	++$pass;
		1442
		1443	ext:
1147	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1446	next ext
1150	unless exists $done{$_};	1447	unless exists $done{$_};
1151	}	1448	}
1152		1449
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1451
1155	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1160	warn $msg;	1459
1161	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1461	delete $todo{$k};
1163	}	1462	} else {
1164		1463	$done{$k} = delete $todo{$k};
1165	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1166	}	1469	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1470	}
1172		1471
1173	skip:	1472	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1176	}	1480	}
1177	};	1481	};
1178	}	1482	}
1179		1483
1180	#############################################################################	1484	#############################################################################
1181		1485
1182	=back	1486	=back
1183		1487
1184	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1185		1489
1186	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1187		1491
1188	=cut	1492	=cut
1189		1493
1190	package cf::player;	1494	package cf::player;
1191		1495
1192	use Coro::AIO;	1496	use Coro::AIO;
1193		1497
1194	=head3 cf::player	1498	=head3 cf::player
1195		1499
1196	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1197		1515
1198	=item cf::player::find $login	1516	=item cf::player::find $login
1199		1517
1200	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1201		1519
…		…
1220		1538
1221	sub exists($) {	1539	sub exists($) {
1222	my ($login) = @_;	1540	my ($login) = @_;
1223		1541
1224	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1226	}	1544	}
1227		1545
1228	sub find($) {	1546	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1548	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1559
1242	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1245	}	1569	}
1246	}	1570	}
1247	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1248		1585
1249	sub save($) {	1586	sub save($) {
1250	my ($pl) = @_;	1587	my ($pl) = @_;
1251		1588
1252	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1258		1595
1259	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1261		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1262	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1263	Coro::cede;	1605	cf::cede_to_tick;
1264	}	1606	}
1265		1607
1266	sub new($) {	1608	sub new($) {
1267	my ($login) = @_;	1609	my ($login) = @_;
1268		1610
…		…
1274	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1275		1617
1276	$self	1618	$self
1277	}	1619	}
1278		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1279	=item $pl->quit_character	1631	=item $pl->quit_character
1280		1632
1281	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1283		1635
…		…
1287	my ($pl) = @_;	1639	my ($pl) = @_;
1288		1640
1289	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1290		1642
1291	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1645
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1298		1651
1299	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1689	or return [];
1337		1690
1338	my @logins;	1691	my @logins;
1339		1692
1340	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1344		1703
1345	utf8::decode $login;	1704	utf8::decode $login;
1346	push @logins, $login;	1705	push @logins, $login;
1347	}	1706	}
1348		1707
1349	\@logins	1708	\@logins
1350	}	1709	}
1351		1710
1352	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1353		1714
1354	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1355	player. May block.	1716	player. May block.
1356		1717
1357	=cut	1718	=cut
…		…
1375	}	1736	}
1376		1737
1377	\@paths	1738	\@paths
1378	}	1739	}
1379		1740
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1742
1382	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1383		1744
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1414		1746
1415	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1416		1748
1417	=cut	1749	=cut
1418		1750
1419	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1421		1753
1422	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1755	}
1425		1756
1426	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1427		1758
1428	Sends an ext event to the client.	1759	Sends an ext event to the client.
1429		1760
1430	=cut	1761	=cut
1431		1762
1432	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1434		1765
1435	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1436	}	1767	}
1437		1768
1438	=head3 cf::region	1769	=head3 cf::region
1439		1770
1440	=over 4	1771	=over 4
…		…
1450	=cut	1781	=cut
1451		1782
1452	sub find_by_path($) {	1783	sub find_by_path($) {
1453	my ($path) = @_;	1784	my ($path) = @_;
1454		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1455	my ($match, $specificity);	1788	my ($match, $specificity);
1456		1789
1457	for my $region (list) {	1790	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1461	}	1794	}
1462	}	1795	}
1463		1796
…		…
1484	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1486		1819
1487	sub generate_random_map {	1820	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1489	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1826	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1512		1848
1513	sub register {	1849	sub register {
1514	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1851	my $pkg = caller;
1516		1852
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1854
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1856	}
1522		1857
1523	# also paths starting with '/'	1858	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1860
1526	sub thawer_merge {	1861	sub thawer_merge {
1527	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1528		1863
1529	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1534	}	1869	}
1535		1870
1536	sub normalise {	1871	sub normalise {
1537	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1538		1873
1539	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1540		1875
1541	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1542		1877
1543	# map plan:	1878	# map plan:
1544	#	1879	#
…		…
1583	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1584	return $self;	1919	return $self;
1585	}	1920	}
1586	}	1921	}
1587		1922
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1589	()	1924	()
1590	}	1925	}
1591		1926
1592	sub init {	1927	sub init {
1593	my ($self) = @_;	1928	my ($self) = @_;
…		…
1615		1950
1616	# the temporary/swap location	1951	# the temporary/swap location
1617	sub save_path {	1952	sub save_path {
1618	my ($self) = @_;	1953	my ($self) = @_;
1619		1954
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1622	}	1957	}
1623		1958
1624	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1625	sub uniq_path {	1960	sub uniq_path {
1626	my ($self) = @_;	1961	my ($self) = @_;
1627		1962
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	1965	}
1640		1966
1641	sub decay_objects {	1967	sub decay_objects {
1642	my ($self) = @_;	1968	my ($self) = @_;
1643		1969
…		…
1656		1982
1657	sub load_header_from($) {	1983	sub load_header_from($) {
1658	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1659		1985
1660	utf8::encode $path;	1986	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1666		1995
1667	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1668		1997
1669	1	1998	1
1670	}	1999	}
…		…
1722		2051
1723	sub find;	2052	sub find;
1724	sub find {	2053	sub find {
1725	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1726		2055
		2056	cf::cede_to_tick;
		2057
1727	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1728		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2062
1731	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1734	or return;	2065	or return;
1735		2066
1736	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1737		2068
…		…
1739	or return;	2070	or return;
1740		2071
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1744	$map->reset;	2077	$map->reset;
1745	undef $guard;
1746	return find $path;	2078	return find $path;
1747	}	2079	}
1748		2080
1749	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1750	}	2082	}
1751	}	2083	}
1752		2084
1753	sub pre_load { }	2085	sub pre_load { }
1754	sub post_load { }	2086	#sub post_load { } # XS
1755		2087
1756	sub load {	2088	sub load {
1757	my ($self) = @_;	2089	my ($self) = @_;
1758		2090
1759	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1760		2092
1761	my $path = $self->{path};	2093	my $path = $self->{path};
1762		2094
1763	{	2095	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1765		2097
		2098	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2100
1768	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1769		2102
1770	$self->alloc;	2103	$self->alloc;
1771		2104
1772	$self->pre_load;	2105	$self->pre_load;
1773	Coro::cede;	2106	cf::cede_to_tick;
1774		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1776	or return;	2111	or return;
1777		2112
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1779	if delete $self->{load_original};	2114	if delete $self->{load_original};
1780		2115
1781	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2117	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2120	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1786	}	2124	}
1787	}	2125	}
1788		2126
1789	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1790	# now do the right thing for maps	2130	# now do the right thing for maps
1791	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2133	unless $self->difficulty;
1794	Coro::cede;	2134	cf::cede_to_tick;
1795		2135
1796	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2137	$self->decay_objects;
1798	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1799	$self->update_buttons;	2139	$self->update_buttons;
1800	Coro::cede;	2140	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2141	$self->activate;
1804	}	2142	}
1805		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2148	}
1808		2149
1809	$self->post_load;	2150	$self->post_load;
1810	}	2151	}
1811		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1812	sub customise_for {	2156	sub customise_for {
1813	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1814		2158
1815	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2160	if $self->per_player;
…		…
1820		2164
1821	$self	2165	$self
1822	}	2166	}
1823		2167
1824	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2169	sub load_neighbours {
1826	my ($map) = @_;	2170	my ($map) = @_;
1827		2171
1828	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1829		2173
1830	for (0 .. 3) {	2174	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1832	or next;	2176	or next;
1833	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1834	or next;	2178	or next;
1835	$neigh->load;	2179	$neigh->load;
1836		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2185	}
1840		2186
1841	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1843	or next;	2190	or next;
1844	$neigh->load;	2191	$neigh->load;
1845	}	2192	}
1846	}	2193	}
1847		2194
1848	sub find_sync {	2195	sub find_sync {
1849	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1850		2197
1851	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1852	}	2202	}
1853		2203
1854	sub do_load_sync {	2204	sub do_load_sync {
1855	my ($map) = @_;	2205	my ($map) = @_;
1856		2206
1857	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1858	}	2211	}
1859		2212
1860	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1862		2215
1863	sub find_async {	2216	sub find_async {
1864	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1865		2218
1866	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1867		2220
1868	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2223	}
1871		2224
1872	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1873	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1874	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2232	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2233	$map->load if $v;
		2234	}
1879		2235
1880	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1881	}	2237	}
1882	}	2238	}
1883	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1884	};	2240	};
1885	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1886		2242
1887	()	2243	()
1888	}	2244	}
1889		2245
		2246	# common code, used by both ->save and ->swapout
1890	sub save {	2247	sub _save {
1891	my ($self) = @_;	2248	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2249
1895	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1896		2251
1897	return unless $self->dirty;	2252	return unless $self->dirty;
1898		2253
…		…
1904	return if $self->{deny_save};	2259	return if $self->{deny_save};
1905		2260
1906	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1907		2262
1908	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1910	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1911		2269
1912	if ($uniq) {	2270	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2273	} else {
1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917	}	2275	}
1918	}	2276	}
1919		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1920	sub swap_out {	2286	sub swap_out {
1921	my ($self) = @_;	2287	my ($self) = @_;
1922		2288
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1928	return if $self->players;	2293	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1932	$self->clear;	2304	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2305	}
1935		2306
1936	sub reset_at {	2307	sub reset_at {
1937	my ($self) = @_;	2308	my ($self) = @_;
1938		2309
…		…
1956		2327
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2329
1959	return if $self->players;	2330	return if $self->players;
1960		2331
1961	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1962		2333
1963	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1964		2335
1965	# need to save uniques path	2336	# need to save uniques path
1966	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2341	if $uniq;
1971	}	2342	}
1972		2343
1973	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1974		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2348	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2349
1979	$self->unlink_save;	2350	$self->unlink_save;
1980	$self->destroy;	2351	$self->destroy;
1981	}	2352	}
1982		2353
1983	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1984		2355
1985	sub nuke {	2356	sub nuke {
1986	my ($self) = @_;	2357	my ($self) = @_;
1987		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1988	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1989		2363
1990	$self->unlink_save;	2364	$self->unlink_save;
1991		2365
1992	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2371
1998	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1999		2374
2000	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2001	}	2376	}
2002		2377
2003	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2045		2420
2046	sub unique_maps() {	2421	sub unique_maps() {
2047	[	2422	[
2048	map {	2423	map {
2049	utf8::decode $_;	2424	utf8::decode $_;
2050	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2051	? normalise $_	2428	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2430	]
2055	}	2431	}
2056		2432
2057	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2058		2464
2059	=back	2465	=back
2060		2466
2061	=head3 cf::object	2467	=head3 cf::object
2062		2468
…		…
2066		2472
2067	=over 4	2473	=over 4
2068		2474
2069	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2070		2476
2071	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2072		2479
2073	=cut	2480	=cut
2074		2481
2075	sub inv_recursive_;	2482	sub inv_recursive_;
2076	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2079		2486
2080	sub inv_recursive {	2487	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2082	}	2489	}
2083		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2084	package cf;	2519	package cf;
2085		2520
2086	=back	2521	=back
2087		2522
2088	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2094	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2096	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2097		2532
2098	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2099		2548
2100	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2550	# with dialog boxes.
2102	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2103	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2110		2559
2111	} else {	2560	} else {
2112	my $pl = $self->contr;	2561	my $pl = $self->contr;
2113		2562
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2566
2123	} else {	2567	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2570	}
2127	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2128	}	2582	}
2129		2583
2130	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2131		2585
2132	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2145		2599
2146	=item $player_object->enter_link	2600	=item $player_object->enter_link
2147		2601
2148	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2149		2603
2150	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2151	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2152		2608
2153	Will never block.	2609	Will never block.
2154		2610
2155	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2156		2612
…		…
2176	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2633	my ($self) = @_;
2178		2634
2179	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2180		2636
		2637	++$self->{_link_recursion};
		2638
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2640
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2185		2643
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2645	}
2188		2646
2189	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2191		2649
…		…
2208	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2210		2668
2211	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2214		2672
2215	$map->load;	2673	$map->load;
2216	$map->load_diag;	2674	$map->load_neighbours;
2217		2675
2218	return unless $self->contr->active;	2676	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2677
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2223	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2224		2685
		2686	}
		2687
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2689
2227	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2229	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2231		2698
2232	=cut	2699	=cut
2233		2700
2234	our $GOTOGEN;	2701	our $GOTOGEN;
2235		2702
2236	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2238		2711
2239	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2714
2242	$self->enter_link;	2715	$self->enter_link;
2243		2716
2244	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2245	my $map = eval {	2739	my $map = eval {
2246	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2247		2741
2248	if ($map) {	2742	if ($map) {
2249	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2745	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2747	}
2254		2748
2255	$map	2749	$map
2256	};	2750	};
2257		2751
…		…
2262		2756
2263	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2266	}	2760	}
		2761
		2762	$done->($self) if $done;
2267	})->prio (1);	2763	})->prio (1);
2268	}	2764	}
2269		2765
2270	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2271		2767
…		…
2291	}	2787	}
2292		2788
2293	sub prepare_random_map {	2789	sub prepare_random_map {
2294	my ($exit) = @_;	2790	my ($exit) = @_;
2295		2791
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2794	# that depends on the exit object
2301		2795
2302	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2798	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2309	}	2805	}
2310		2806
2311	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2312		2808
2313	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2316		2812
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2815	undef $fh;
2320	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2321		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2324	}	2824	}
2325	}	2825	}
2326		2826
2327	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2329		2829
2330	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2331		2831
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2832	$self->enter_link;
2344		2833
2345	(async {	2834	(async {
2346	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2347	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2348	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2349		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2350	1;	2858	1
2351	}) {	2859	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2864
2357	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2866	$self->leave_link;
2359	}	2867	}
2360	})->prio (1);	2868	})->prio (1);
2361	}	2869	}
2362		2870
…		…
2376		2884
2377	utf8::encode $text;	2885	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2887	}
2380		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2915
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2387		2920
2388	=cut	2921	=cut
2389		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2390	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3039
2393	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2394		3042
2395	if ($self->can_msg) {	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3044
2408	if ($color >= 0) {	3045	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3046	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3047	$channel = $CHANNEL{$channel};
2411	} else {	3048
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3049	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
2414	}	3057	}
2415	}
2416	}
2417	}
2418		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2419	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2420		3077
2421	Sends an ext event to the client.	3078	Sends an ext event to the client.
2422		3079
2423	=cut	3080	=cut
2424		3081
2425	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2427		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2430	}	3109	}
2431		3110
2432	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2433		3112
2434	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2490		3169
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		3171
2493	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2500	} else {	3187	} else {
2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2502	}	3189	}
2503		3190
2504	cf::override;	3191	cf::override;
2505	},	3192	},
2506	);	3193	);
…		…
2526		3213
2527	$coro	3214	$coro
2528	}	3215	}
2529		3216
2530	cf::client->attach (	3217	cf::client->attach (
2531	on_destroy => sub {	3218	on_client_destroy => sub {
2532	my ($ns) = @_;	3219	my ($ns) = @_;
2533		3220
2534	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2535	},	3222	},
2536	);	3223	);
…		…
2551	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2553		3240
2554	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2555		3242
2556	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2557		3248
2558	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2559		3250
2560	=pod	3251	=pod
2561		3252
2562	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2563		3254
2564	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2565	cf::object::player player	3260	cf::object::player
2566	cf::player peaceful	3261	player
2567	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2568		3268
2569	=cut	3269	=cut
2570		3270
2571	for (	3271	for (
2572	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2573	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2575	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2576	) {	3278	) {
2577	no strict 'refs';
2578	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2579	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2580	for @funs;	3281	for @funs;
2581	}	3282	}
2582		3283
…		…
2597		3298
2598	my $qcode = $code;	3299	my $qcode = $code;
2599	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2600	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2601		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2602	local $_;	3306	local $_;
2603	local @safe::cf::_safe_eval_args = values %vars;
2604		3307
2605	my $eval =	3308	my $eval =
2606	"do {\n"	3309	"do {\n"
2607	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2608	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2609	. $code	3312	. $code
2610	. "\n}"	3313	. "\n}"
2611	;	3314	;
2612		3315
		3316	if ($CFG{safe_eval}) {
2613	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2614	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2615	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2616		3325
2617	if ($@) {	3326	if ($@) {
2618	warn "$@";	3327	warn "$@",
2619	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2620	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2621	}	3330	}
2622		3331
2623	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2624	}	3333	}
2625		3334
…		…
2639	=cut	3348	=cut
2640		3349
2641	sub register_script_function {	3350	sub register_script_function {
2642	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2643		3352
2644	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2645	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2646	}	3355	}
2647		3356
2648	=back	3357	=back
2649		3358
2650	=cut	3359	=cut
…		…
2653	# the server's init and main functions	3362	# the server's init and main functions
2654		3363
2655	sub load_facedata($) {	3364	sub load_facedata($) {
2656	my ($path) = @_;	3365	my ($path) = @_;
2657		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2658	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2659		3374
2660	my $facedata;	3375	my $facedata;
2661	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2662	or die "$path: $!";	3377	or die "$path: $!";
2663		3378
2664	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2665		3380
2666	$facedata->{version} == 2	3381	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2669	{	3393	{
2670	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2671		3395
2672	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2677	Coro::cede;	3403
		3404	cf::cede_to_tick;
2678	}	3405	}
2679		3406
2680	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2682	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2683	or next;	3411	or next;
		3412
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3416	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3418	}
2689	Coro::cede;	3419
		3420	cf::cede_to_tick;
2690	}	3421	}
2691	}	3422	}
2692		3423
2693	{	3424	{
2694	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2695		3426
2696	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3429	cf::cede_to_tick;
2699	}	3430	}
2700		3431
2701	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2702	}	3433	}
2703		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2704	1	3454	1
2705	}	3455	}
2706		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2707	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2708	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2709	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2710	}	3487	}
2711		3488
2712	sub reload_facedata {	3489	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2715	}	3492	}
2716		3493
2717	sub reload_archetypes {	3494	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3497	}
2726		3498
2727	sub reload_treasures {	3499	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2730	}	3502	}
2731		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2732	sub reload_resources {	3527	sub reload_resources {
2733	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2734		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
2735	reload_regions;	3535	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3536	reload_treasures;
2740		3537
2741	warn "finished reloading resource files\n";	3538	trace "finished reloading resource files\n";
2742	}	3539	}
2743		3540
2744	sub init {	3541	sub reload_config {
2745	reload_resources;	3542	trace "reloading config file...\n";
2746	}
2747		3543
2748	sub cfg_load {
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2750	or return;	3545	or return;
2751		3546
2752	local $/;	3547	local $/;
2753	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2754		3549
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2756		3551
2757	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2758	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2759		3554
2760	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2762	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2763	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2764	};	3559	};
2765	warn $@ if $@;	3560	warn $@ if $@;
2766	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2767	}	3592	}
2768		3593
2769	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2770	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2772	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2773	(async {	3607	(async {
2774	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
2776	};	3611	};
2777		3612
2778	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
		3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
2779	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2780	load_extensions;	3636	load_extensions;
2781		3637
2782	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2783	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2784	}	3656	}
2785		3657
2786	#############################################################################	3658	#############################################################################
2787	# initialisation and cleanup	3659	# initialisation and cleanup
2788		3660
2789	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2790	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2799	},
2800	);	3667	};
2801	}	3668	}
2802	}	3669	}
2803		3670
2804	sub write_runtime {	3671	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";	3672	my $t0 = AE::time;
2806		3673
2807	# first touch the runtime file to show we are still running:	3674	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3675	# the fsync below can take a very very long time.
2809		3676
2810	IO::AIO::aio_utime $runtime, undef, undef;	3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3678
2812	my $guard = cf::lock_acquire "write_runtime";	3679	my $guard = cf::lock_acquire "write_runtime";
2813		3680
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2815	or return;	3682	or return;
2816		3683
2817	my $value = $cf::RUNTIME + 90 + 10;	3684	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3685	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3686	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3696	aio_utime $fh, undef, undef;
2830		3697
2831	close $fh	3698	close $fh
2832	or return;	3699	or return;
2833		3700
2834	aio_rename "$runtime~", $runtime	3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3702	and return;
2836		3703
2837	warn "runtime file written.\n";	3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2838		3705
2839	1	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2840	}	3757	}
2841		3758
2842	sub emergency_save() {	3759	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2844		3761
2845	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2846		3768
2847	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2848	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3780	$pl->save;
2856	}	3781	}
2857	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2858		3783
2859	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2860	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3789	$map->valid or next;
2863	$map->save;	3790	$map->save;
2864	}	3791	}
2865	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2866		3793
2867	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2869	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2870	};	3822	};
2871		3823
2872	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2873	}	3825	}
2874		3826
2875	sub post_cleanup {	3827	sub post_cleanup {
2876	my ($make_core) = @_;	3828	my ($make_core) = @_;
2877		3829
		3830	IO::AIO::flush;
		3831
2878	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2879	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2880	}	3862	}
2881		3863
2882	sub do_reload_perl() {	3864	sub do_reload_perl() {
2883	# can/must only be called in main	3865	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2885	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2886	return;	3868	return;
2887	}	3869	}
2888		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2889	warn "reloading...";	3877	info "reloading...";
2890		3878
2891	warn "entering sync_job";	3879	trace "entering sync_job";
2892		3880
2893	cf::sync_job {	3881	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark
2895	cf::emergency_save;	3882	#cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark
2897		3883
2898	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;
2900
2901	# if anything goes wrong in here, we should simply crash as we already saved
2902
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;
2914	warn "iterate...";
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();	3886	%EXT_CORO = ();
2922		3887
2923	warn "removing commands";	3888	trace "removing commands";
2924	%COMMAND = ();	3889	%COMMAND = ();
2925		3890
2926	warn "removing ext/exti commands";	3891	trace "removing ext/exti commands";
2927	%EXTCMD = ();	3892	%EXTCMD = ();
2928	%EXTICMD = ();	3893	%EXTICMD = ();
2929		3894
2930	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2933		3898
2934	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2935	eval {	3900	eval {
2936	$cb->($pkg);	3901	$cb->($pkg);
2937	1	3902	1
2938	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2939	}	3908	}
2940		3909
2941	warn "... nuking $pkg";
2942	Symbol::delete_package $pkg;
2943	}
2944
2945	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2946	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		3913
2949	warn "... unloading $k";	3914	trace "... unloading $k";
2950	delete $INC{$k};	3915	delete $INC{$k};
2951		3916
2952	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2954		3919
2955	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2956	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2957	}	3925	}
2958		3926
2959	Symbol::delete_package $k;
2960	}
2961
2962	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2964	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2965		3930
2966	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2969		3934
2970	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2971	# and global variables created in xs	3936	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2973		3938
2974	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2975		3940
2976	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2977	require cf;	3942	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2979		3944
2980	warn "loading config and database again";	3945	trace "loading config and database again";
2981	cf::cfg_load;	3946	cf::reload_config;
2982		3947
2983	warn "loading extensions";	3948	trace "loading extensions";
2984	cf::load_extensions;	3949	cf::load_extensions;
2985		3950
		3951	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2989	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2992		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2993	warn "leaving sync_job";	3963	trace "leaving sync_job";
2994		3964
2995	1	3965	1
2996	} or do {	3966	} or do {
2997	warn $@;	3967	error $@;
2998	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2999	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
3000	};	3973	}
3001		3974
3002	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
3003	};	3977	};
3004		3978
3005	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
3006		3980
3007	sub reload_perl() {	3981	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
3010		3984
3011	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	3987
3014	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	3989	do_reload_perl;
3017	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
3018	},	3991	};
3019	);	3992	};
3020	}	3993	}
3021		3994
3022	register_command "reload" => sub {	3995	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
3024		3997
3025	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	4002	reload_perl;
		4003	};
3028	}	4004	}
3029	};	4005	};
3030		4006
3031	unshift @INC, $LIBDIR;	4007	#############################################################################
3032		4008
3033	my $bug_warning = 0;	4009	my $bug_warning = 0;
3034		4010
3035	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
3037		4013
3038	sub wait_for_tick {	4014	sub wait_for_tick {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		4016
3042	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;	4019	$signal->wait;
3045	}	4020	}
3046		4021
3047	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
3048	return unless $TICK_WATCHER->is_active;
3049	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3050		4024
3051	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	4027	$signal->wait;
3054	}	4028	}
3055		4029
3056	my $min = 1e6;#d#	4030	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
3068	return;	4034	return;
3069	}	4035	}
3070		4036
3071	$NOW = $tick_start = Event::time;
3072
3073	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
3074		4038
3075	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3076	for(1..10) {
3077	my $t = Event::time;
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3079	or die;
3080		4040
3081	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3082	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3083	$map->alloc;	4043	Coro::async_pool {
3084	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
3085	my $t = Event::time - $t;	4045	write_runtime_sync
3086		4046	or error "ERROR: unable to write runtime file: $!";
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	4047	};
		4048	}
3097		4049
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	4051	$sig->send;
3114	}	4052	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
3116	$sig->send;	4054	$sig->send;
3117	}	4055	}
3118		4056
3119	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		4059
3130	_post_tick;	4060	if (0) {
3131		4061	if ($NEXT_TICK) {
3132		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
3133	},	4066	}
3134	);	4067	}
3135		4068
3136	{	4069	{
3137	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	4071
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
3147		4073	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		4075
3163	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
3164	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3165		4083
3166	cf::sync_job {	4084	cf::sync_job {
3167	eval {	4085	eval {
3168	BDB::db_env_open	4086	BDB::db_env_open
3169	$DB_ENV,	4087	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	4091	0666;
3174		4092
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	4094	};
3180		4095
3181	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	4097	};
3183	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
3184	}	4109	}
3185		4110
3186	{	4111	{
		4112	# configure IO::AIO
		4113
3187	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	4117	}
3200		4118
3201	my $_log_backtrace;	4119	my $_log_backtrace;
3202		4120
3203	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
3206	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
3207		4125
3208	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
3210	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
3211	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3212	my @bt = fork_call {	4133	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3216	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3224	}	4145	}
3225		4146
3226	@funcs	4147	@funcs
3227	};	4148	};
3228		4149
3229	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	4153	--$_log_backtrace;
3232	};	4154	};
3233	} else {	4155	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3235	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3236	}	4158	}
3237	}	4159	}
3238		4160
3239	# load additional modules	4161	# load additional modules
3240	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3241		4164
3242	END { cf::emergency_save }	4165	END { cf::emergency_save }
3243		4166
3244	1	4167	1
3245		4168

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