ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.536 by root, Thu Apr 29 08:26:38 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$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		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
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);
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
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		591
423	sub fork_call(&@) {	592	sub fork_call(&@) {
424	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
425		594
426	# 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,
427	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		598
431	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	600	reset_signals;
445	local $SIG{__WARN__};	601	&$cb
446	local $SIG{__DIE__};	602	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		603
453	eval {	604	wantarray ? @res : $res[-1]
454	close $fh1;	605	}
455		606
456	my @res = eval { $cb->(@args) };	607	sub objinfo {
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	643	}
466		644
467	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
468		646
469	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
472		650
473	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
474	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).
475		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
476	=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	}
477		680
478	our $DB;	681	our $DB;
479		682
480	sub db_init {	683	sub db_init {
481	unless ($DB) {	684	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	685	}
496		686
497	sub db_get($$) {	687	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
499		689
500	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
501	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
502		694
503	$! ? ()	695	$! ? ()
504	: $data	696	: $data
505	}
506	}	697	}
507		698
508	sub db_put($$$) {	699	sub db_put($$$) {
509	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
549	if (1) {	740	if (1) {
550	$md5 =	741	$md5 =
551	join "\x00",	742	join "\x00",
552	$processversion,	743	$processversion,
553	map {	744	map {
554	Coro::cede;	745	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	747	} 0.. $#$src;
557		748
558		749
559	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		757
567	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	759	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
570		761
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		763
573	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
576		767
…		…
586		777
587	=cut	778	=cut
588		779
589	sub datalog($@) {	780	sub datalog($@) {
590	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	783	}
593		784
594	=back	785	=back
595		786
596	=cut	787	=cut
597		788
598	#############################################################################	789	#############################################################################
599		790
600	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
601		792
602	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
603	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")
604	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
605		796
606	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>
607	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
608	Crossfire TRT).	799	Deliantra).
609		800
610	=over 4	801	=over 4
611		802
612	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
613		804
…		…
657	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
658		849
659	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
660	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
661		852
662	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		855
665	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
666		857
667	=over 4	858	=over 4
…		…
791		982
792	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		985
795	} elsif (ref $type) {	986	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
797		988
798	} else {	989	} else {
799	shift @arg;	990	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
801	}	992	}
802	}	993	}
803	}	994	}
804		995
805	sub _object_attach {	996	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
816	}	1007	}
817		1008
818	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
819	} else {	1010	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1012	}
822		1013
823	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
824	}	1015	}
825		1016
…		…
865	";	1056	";
866	die if $@;	1057	die if $@;
867	}	1058	}
868		1059
869	our $override;	1060	our $override;
870	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?
871		1062
872	sub override {	1063	sub override {
873	$override = 1;	1064	$override = 1;
874	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
875	}	1066	}
876		1067
877	sub do_invoke {	1068	sub do_invoke {
878	my $event = shift;	1069	my $event = shift;
879	my $callbacks = shift;	1070	my $callbacks = shift;
880		1071
881	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
882		1073
883	local $override;	1074	local $override;
884		1075
885	for (@$callbacks) {	1076	for (@$callbacks) {
886	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
887		1078
888	if ($@) {	1079	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1081	override;
892	}	1082	}
893		1083
894	return 1 if $override;	1084	return 1 if $override;
895	}	1085	}
896		1086
897	0	1087	0
898	}	1088	}
899		1089
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1091
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1093
904	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
905		1095
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1099
910	=back	1100	=back
911		1101
912	=cut	1102	=cut
913		1103
914	#############################################################################	1104	#############################################################################
915	# 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	}
916		1148
917	sub reattach {	1149	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1151	my ($obj) = @_;
920		1152
		1153	# no longer needed after getting rid of delete_package?
921	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
922		1155
923	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
924		1157
925	@$registry = ();	1158	@$registry = ();
926		1159
…		…
931	for (@$attach) {	1164	for (@$attach) {
932	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
934	}	1167	}
935	} else {	1168	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1170	}
938	}	1171	}
939	}	1172	}
940		1173
941	cf::attachable->attach (	1174	cf::attachable->attach (
942	prio => -1000000,	1175	prio => -1000000,
943	on_instantiate => sub {	1176	on_instantiate => sub {
944	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
945		1178
946	$data = from_json $data;	1179	$data = decode_json $data;
947		1180
948	for (@$data) {	1181	for (@$data) {
949	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
950		1183
951	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1200	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
969		1202
970	sync_job {	1203	sync_job {
971	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
974		1209
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1217	aio_close $fh;
980		1218
981	if (@$objs) {	1219	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1228	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
989	}	1230	}
990	} else {	1231	} else {
991	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
992	}	1233	}
993		1234
994	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1239	} else {
996	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
997	}	1241	}
998	} else {	1242	} else {
999	aio_unlink $filename;	1243	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1001	}	1245	}
1002	}	1246	};
1003	}	1247	}
1004		1248
1005	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1007		1251
…		…
1019	or return;	1263	or return;
1020		1264
1021	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1267	or return;
		1268
1024	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1025	}	1271	}
1026		1272
		1273	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1029	return ($data, $av);	1278	($data, $av)
1030	}	1279	}
1031		1280
1032	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1033		1282
1034	=over 4	1283	=over 4
…		…
1088	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1089		1338
1090	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1091	}	1340	}
1092		1341
		1342	use File::Glob ();
		1343
1093	cf::player->attach (	1344	cf::player->attach (
1094	on_command => sub {	1345	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1096		1347
1097	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1098	or return;	1349	or return;
1099		1350
…		…
1107	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1108		1359
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1361
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1117	} else {	1377	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1379	}
1120		1380
1121	cf::override;	1381	cf::override;
1122	},	1382	},
1123	);	1383	);
1124		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
1125	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1126	cf::sync_job {	1401	cf::sync_job {
1127	my %todo;	1402	my %todo;
1128		1403
1129	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1405	next unless -r $path;
…		…
1148		1423
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1426
1152	$ext{source} =	1427	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1155	. $source	1430	. $source
1156	. "\n};\n1";	1431	. "\n};\n1";
1157		1432
1158	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1159	}	1434	}
1160		1435
		1436	my $pass = 0;
1161	my %done;	1437	my %done;
1162	while (%todo) {	1438	while (%todo) {
1163	my $progress;	1439	my $progress;
1164		1440
		1441	++$pass;
		1442
		1443	ext:
1165	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1446	next ext
1168	unless exists $done{$_};	1447	unless exists $done{$_};
1169	}	1448	}
1170		1449
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1451
1173	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1178	warn $msg;	1459
1179	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1461	delete $todo{$k};
1181	}	1462	} else {
1182		1463	$done{$k} = delete $todo{$k};
1183	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1184	}	1469	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1470	}
1190		1471
1191	skip:	1472	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	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	}
1194	}	1480	}
1195	};	1481	};
1196	}	1482	}
1197		1483
1198	#############################################################################	1484	#############################################################################
1199		1485
1200	=back	1486	=back
1201		1487
1202	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1203		1489
1204	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1205		1491
1206	=cut	1492	=cut
1207		1493
1208	package cf::player;	1494	package cf::player;
1209		1495
1210	use Coro::AIO;	1496	use Coro::AIO;
1211		1497
1212	=head3 cf::player	1498	=head3 cf::player
1213		1499
1214	=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	}
1215		1515
1216	=item cf::player::find $login	1516	=item cf::player::find $login
1217		1517
1218	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1219		1519
…		…
1238		1538
1239	sub exists($) {	1539	sub exists($) {
1240	my ($login) = @_;	1540	my ($login) = @_;
1241		1541
1242	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1244	}	1544	}
1245		1545
1246	sub find($) {	1546	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1548	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1559
1260	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1263	}	1569	}
1264	}	1570	}
1265	}	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	);
1266		1585
1267	sub save($) {	1586	sub save($) {
1268	my ($pl) = @_;	1587	my ($pl) = @_;
1269		1588
1270	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1276		1595
1277	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1279		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
1280	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1281	Coro::cede;	1605	cf::cede_to_tick;
1282	}	1606	}
1283		1607
1284	sub new($) {	1608	sub new($) {
1285	my ($login) = @_;	1609	my ($login) = @_;
1286		1610
…		…
1292	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1293		1617
1294	$self	1618	$self
1295	}	1619	}
1296		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
1297	=item $pl->quit_character	1631	=item $pl->quit_character
1298		1632
1299	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
1300	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1301		1635
…		…
1305	my ($pl) = @_;	1639	my ($pl) = @_;
1306		1640
1307	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1308		1642
1309	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1310	$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
1311		1645
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1316		1651
1317	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1689	or return [];
1355		1690
1356	my @logins;	1691	my @logins;
1357		1692
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1362		1703
1363	utf8::decode $login;	1704	utf8::decode $login;
1364	push @logins, $login;	1705	push @logins, $login;
1365	}	1706	}
1366		1707
1367	\@logins	1708	\@logins
1368	}	1709	}
1369		1710
1370	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1371		1714
1372	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1373	player. May block.	1716	player. May block.
1374		1717
1375	=cut	1718	=cut
…		…
1393	}	1736	}
1394		1737
1395	\@paths	1738	\@paths
1396	}	1739	}
1397		1740
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1742
1400	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1401		1744
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1449		1746
1450	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1451		1748
1452	=cut	1749	=cut
1453		1750
1454	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1456		1753
1457	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1755	}
1460		1756
1461	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1462		1758
1463	Sends an ext event to the client.	1759	Sends an ext event to the client.
1464		1760
1465	=cut	1761	=cut
1466		1762
1467	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1469		1765
1470	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1471	}	1767	}
1472		1768
1473	=head3 cf::region	1769	=head3 cf::region
1474		1770
1475	=over 4	1771	=over 4
…		…
1485	=cut	1781	=cut
1486		1782
1487	sub find_by_path($) {	1783	sub find_by_path($) {
1488	my ($path) = @_;	1784	my ($path) = @_;
1489		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1490	my ($match, $specificity);	1788	my ($match, $specificity);
1491		1789
1492	for my $region (list) {	1790	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1496	}	1794	}
1497	}	1795	}
1498		1796
…		…
1519	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1521		1819
1522	sub generate_random_map {	1820	sub generate_random_map {
1523	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
1524	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1826	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1554		1855
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1857	}
1557		1858
1558	# also paths starting with '/'	1859	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1861
1561	sub thawer_merge {	1862	sub thawer_merge {
1562	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1563		1864
1564	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1618	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1619	return $self;	1920	return $self;
1620	}	1921	}
1621	}	1922	}
1622		1923
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1925	()
1625	}	1926	}
1626		1927
1627	sub init {	1928	sub init {
1628	my ($self) = @_;	1929	my ($self) = @_;
…		…
1650		1951
1651	# the temporary/swap location	1952	# the temporary/swap location
1652	sub save_path {	1953	sub save_path {
1653	my ($self) = @_;	1954	my ($self) = @_;
1654		1955
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1657	}	1958	}
1658		1959
1659	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1660	sub uniq_path {	1961	sub uniq_path {
1661	my ($self) = @_;	1962	my ($self) = @_;
1662		1963
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1966	}
1675		1967
1676	sub decay_objects {	1968	sub decay_objects {
1677	my ($self) = @_;	1969	my ($self) = @_;
1678		1970
…		…
1691		1983
1692	sub load_header_from($) {	1984	sub load_header_from($) {
1693	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1694		1986
1695	utf8::encode $path;	1987	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1701		1996
1702	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1703		1998
1704	1	1999	1
1705	}	2000	}
…		…
1759	sub find {	2054	sub find {
1760	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1761		2056
1762	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1763		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2061
1766	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1769	or return;	2064	or return;
1770		2065
1771	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1772		2067
…		…
1774	or return;	2069	or return;
1775		2070
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1779	$map->reset;	2076	$map->reset;
1780	undef $guard;
1781	return find $path;	2077	return find $path;
1782	}	2078	}
1783		2079
1784	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1785	}	2081	}
1786	}	2082	}
1787		2083
1788	sub pre_load { }	2084	sub pre_load { }
1789	sub post_load { }	2085	#sub post_load { } # XS
1790		2086
1791	sub load {	2087	sub load {
1792	my ($self) = @_;	2088	my ($self) = @_;
1793		2089
1794	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1795		2091
1796	my $path = $self->{path};	2092	my $path = $self->{path};
1797		2093
1798	{	2094	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1800		2096
		2097	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2099
1803	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1804		2101
1805	$self->alloc;	2102	$self->alloc;
1806		2103
1807	$self->pre_load;	2104	$self->pre_load;
1808	Coro::cede;	2105	cf::cede_to_tick;
1809		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1811	or return;	2110	or return;
1812		2111
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1814	if delete $self->{load_original};	2113	if delete $self->{load_original};
1815		2114
1816	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2116	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2119	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1821	}	2123	}
1822	}	2124	}
1823		2125
1824	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1825	# now do the right thing for maps	2129	# now do the right thing for maps
1826	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2132	unless $self->difficulty;
1829	Coro::cede;	2133	cf::cede_to_tick;
1830		2134
1831	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2136	$self->decay_objects;
1833	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1834	$self->update_buttons;	2138	$self->update_buttons;
1835	Coro::cede;	2139	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2140	$self->activate;
1839	}	2141	}
1840		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2147	}
1843		2148
1844	$self->post_load;	2149	$self->post_load;
1845	}	2150	}
1846		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2155	sub customise_for {
1848	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1849		2157
1850	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2159	if $self->per_player;
…		…
1855		2163
1856	$self	2164	$self
1857	}	2165	}
1858		2166
1859	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2168	sub load_neighbours {
1861	my ($map) = @_;	2169	my ($map) = @_;
1862		2170
1863	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1864		2172
1865	for (0 .. 3) {	2173	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1867	or next;	2175	or next;
1868	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1869	or next;	2177	or next;
1870	$neigh->load;	2178	$neigh->load;
1871		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2184	}
1875		2185
1876	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1878	or next;	2189	or next;
1879	$neigh->load;	2190	$neigh->load;
1880	}	2191	}
1881	}	2192	}
1882		2193
1883	sub find_sync {	2194	sub find_sync {
1884	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1885		2196
1886	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1887	}	2201	}
1888		2202
1889	sub do_load_sync {	2203	sub do_load_sync {
1890	my ($map) = @_;	2204	my ($map) = @_;
1891		2205
1892	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1893	}	2210	}
1894		2211
1895	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1897		2214
1898	sub find_async {	2215	sub find_async {
1899	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1900		2217
1901	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1902		2219
1903	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2222	}
1906		2223
1907	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1908	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1909	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2231	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2232	$map->load if $v;
		2233	}
1914		2234
1915	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1916	}	2236	}
1917	}	2237	}
1918	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1919	};	2239	};
1920	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1921		2241
1922	()	2242	()
1923	}	2243	}
1924		2244
		2245	# common code, used by both ->save and ->swapout
1925	sub save {	2246	sub _save {
1926	my ($self) = @_;	2247	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2248
1930	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1931		2250
1932	return unless $self->dirty;	2251	return unless $self->dirty;
1933		2252
…		…
1939	return if $self->{deny_save};	2258	return if $self->{deny_save};
1940		2259
1941	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1942		2261
1943	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1945	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1946		2268
1947	if ($uniq) {	2269	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2272	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2274	}
1953	}	2275	}
1954		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1955	sub swap_out {	2285	sub swap_out {
1956	my ($self) = @_;	2286	my ($self) = @_;
1957		2287
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1963	return if $self->players;	2292	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1967	$self->clear;	2303	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2304	}
1970		2305
1971	sub reset_at {	2306	sub reset_at {
1972	my ($self) = @_;	2307	my ($self) = @_;
1973		2308
…		…
1991		2326
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2328
1994	return if $self->players;	2329	return if $self->players;
1995		2330
1996	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1997		2332
1998	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1999		2334
2000	# need to save uniques path	2335	# need to save uniques path
2001	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2340	if $uniq;
2006	}	2341	}
2007		2342
2008	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2009		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2347	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2348
2014	$self->unlink_save;	2349	$self->unlink_save;
2015	$self->destroy;	2350	$self->destroy;
2016	}	2351	}
2017		2352
2018	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2019		2354
2020	sub nuke {	2355	sub nuke {
2021	my ($self) = @_;	2356	my ($self) = @_;
2022		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2023	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2024		2362
2025	$self->unlink_save;	2363	$self->unlink_save;
2026		2364
2027	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2370
2033	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2034		2373
2035	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2036	}	2375	}
2037		2376
2038	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2080		2419
2081	sub unique_maps() {	2420	sub unique_maps() {
2082	[	2421	[
2083	map {	2422	map {
2084	utf8::decode $_;	2423	utf8::decode $_;
2085	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2086	? normalise $_	2427	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2429	]
2090	}	2430	}
2091		2431
2092	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2093		2463
2094	=back	2464	=back
2095		2465
2096	=head3 cf::object	2466	=head3 cf::object
2097		2467
…		…
2101		2471
2102	=over 4	2472	=over 4
2103		2473
2104	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2105		2475
2106	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2107		2478
2108	=cut	2479	=cut
2109		2480
2110	sub inv_recursive_;	2481	sub inv_recursive_;
2111	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2114		2485
2115	sub inv_recursive {	2486	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2117	}	2488	}
2118		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2119	package cf;	2518	package cf;
2120		2519
2121	=back	2520	=back
2122		2521
2123	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2132		2531
2133	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2134		2547
2135	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2549	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2145		2558
2146	} else {	2559	} else {
2147	my $pl = $self->contr;	2560	my $pl = $self->contr;
2148		2561
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2565
2158	} else {	2566	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2569	}
2162	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2163	}	2581	}
2164		2582
2165	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2166		2584
2167	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2180		2598
2181	=item $player_object->enter_link	2599	=item $player_object->enter_link
2182		2600
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2602
2185	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2187		2607
2188	Will never block.	2608	Will never block.
2189		2609
2190	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2191		2611
…		…
2211	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2632	my ($self) = @_;
2213		2633
2214	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2215		2635
		2636	++$self->{_link_recursion};
		2637
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2639
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2220		2642
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2644	}
2223		2645
2224	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2226		2648
…		…
2243	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2245		2667
2246	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2249		2671
2250	$map->load;	2672	$map->load;
2251	$map->load_diag;	2673	$map->load_neighbours;
2252		2674
2253	return unless $self->contr->active;	2675	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2676
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2258	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2259		2684
		2685	}
		2686
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2688
2262	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
2266		2697
2267	=cut	2698	=cut
2268		2699
2269	our $GOTOGEN;	2700	our $GOTOGEN;
2270		2701
2271	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2273		2710
2274	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2713
2277	$self->enter_link;	2714	$self->enter_link;
2278		2715
2279	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2280	my $map = eval {	2738	my $map = eval {
2281	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2282		2740
2283	if ($map) {	2741	if ($map) {
2284	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2744	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2746	}
2289		2747
2290	$map	2748	$map
2291	};	2749	};
2292		2750
…		…
2297		2755
2298	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2301	}	2759	}
		2760
		2761	$done->($self) if $done;
2302	})->prio (1);	2762	})->prio (1);
2303	}	2763	}
2304		2764
2305	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2306		2766
…		…
2326	}	2786	}
2327		2787
2328	sub prepare_random_map {	2788	sub prepare_random_map {
2329	my ($exit) = @_;	2789	my ($exit) = @_;
2330		2790
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2793	# that depends on the exit object
2336		2794
2337	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2797	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2344	}	2804	}
2345		2805
2346	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2347		2807
2348	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2351		2811
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2814	undef $fh;
2355	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2356		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2359	}	2823	}
2360	}	2824	}
2361		2825
2362	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2364		2828
2365	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2366		2830
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2831	$self->enter_link;
2379		2832
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2833	(async {
2385	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2386	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2387	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2388		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2389	1;	2857	1
2390	}) {	2858	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2863
2396	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2865	$self->leave_link;
2398	}	2866	}
2399	})->prio (1);	2867	})->prio (1);
2400	}	2868	}
2401		2869
…		…
2415		2883
2416	utf8::encode $text;	2884	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2886	}
2419		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2914
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2916	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2426		2919
2427	=cut	2920	=cut
2428		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2429	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3038
2432	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
2433		3060
2434	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2435		3062
2436	if ($self->can_msg) {	3063	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3065	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3066
2449	if ($color >= 0) {	3067	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3068	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3070	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2460	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2461		3076
2462	Sends an ext event to the client.	3077	Sends an ext event to the client.
2463		3078
2464	=cut	3079	=cut
2465		3080
2466	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2468		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2471	}	3108	}
2472		3109
2473	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2474		3111
2475	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2531		3168
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3170
2534	if (ref $msg) {	3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2541	} else {	3186	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3188	}
2544		3189
2545	cf::override;	3190	cf::override;
2546	},	3191	},
2547	);	3192	);
…		…
2567		3212
2568	$coro	3213	$coro
2569	}	3214	}
2570		3215
2571	cf::client->attach (	3216	cf::client->attach (
2572	on_destroy => sub {	3217	on_client_destroy => sub {
2573	my ($ns) = @_;	3218	my ($ns) = @_;
2574		3219
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3221	},
2577	);	3222	);
…		…
2592	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2594		3239
2595	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2596		3241
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2598		3247
2599	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2600		3249
2601	=pod	3250	=pod
2602		3251
2603	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2604		3253
2605	cf::object	3254	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3256	insert remove name archname title slaying race decrease split
		3257	value
2608		3258
2609	cf::object::player	3259	cf::object::player
2610	player	3260	player
2611		3261
2612	cf::player	3262	cf::player
…		…
2617		3267
2618	=cut	3268	=cut
2619		3269
2620	for (	3270	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2626	) {	3277	) {
2627	no strict 'refs';	3278	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2647		3298
2648	my $qcode = $code;	3299	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2651		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2652	local $_;	3306	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3307
2655	my $eval =	3308	my $eval =
2656	"do {\n"	3309	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3312	. $code
2660	. "\n}"	3313	. "\n}"
2661	;	3314	;
2662		3315
		3316	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	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	}
2666		3325
2667	if ($@) {	3326	if ($@) {
2668	warn "$@";	3327	warn "$@",
2669	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2671	}	3330	}
2672		3331
2673	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2674	}	3333	}
2675		3334
…		…
2689	=cut	3348	=cut
2690		3349
2691	sub register_script_function {	3350	sub register_script_function {
2692	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2693		3352
2694	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2696	}	3355	}
2697		3356
2698	=back	3357	=back
2699		3358
2700	=cut	3359	=cut
…		…
2703	# the server's init and main functions	3362	# the server's init and main functions
2704		3363
2705	sub load_facedata($) {	3364	sub load_facedata($) {
2706	my ($path) = @_;	3365	my ($path) = @_;
2707		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
2708	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2709		3374
2710	my $facedata;	3375	my $facedata;
2711	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3377	or die "$path: $!";
2713		3378
2714	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2715		3380
2716	$facedata->{version} == 2	3381	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3393	{
2720	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2721		3395
2722	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3403
		3404	cf::cede_to_tick;
2728	}	3405	}
2729		3406
2730	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2732	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2733	or next;	3411	or next;
		3412
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3416	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3418	}
2739	Coro::cede;	3419
		3420	cf::cede_to_tick;
2740	}	3421	}
2741	}	3422	}
2742		3423
2743	{	3424	{
2744	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2745		3426
2746	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3429	cf::cede_to_tick;
2749	}	3430	}
2750		3431
2751	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2752	}	3433	}
2753		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
2754	1	3454	1
2755	}	3455	}
2756		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
2757	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
2758	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2759	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	}
2760	}	3487	}
2761		3488
2762	sub reload_facedata {	3489	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2765	}	3492	}
2766		3493
2767	sub reload_archetypes {	3494	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3497	}
2776		3498
2777	sub reload_treasures {	3499	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2780	}	3502	}
2781		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
2782	sub reload_resources {	3527	sub reload_resources {
2783	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2784		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2785	reload_regions;	3533	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3534	reload_treasures;
2790		3535
2791	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2792	}	3537	}
2793		3538
2794	sub init {	3539	sub reload_config {
2795	reload_resources;	3540	trace "reloading config file...\n";
2796	}
2797		3541
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3543	or return;
2801		3544
2802	local $/;	3545	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2804		3547
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3549
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3552
2810	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2812	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2813	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2814	};	3557	};
2815	warn $@ if $@;	3558	warn $@ if $@;
2816	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2817	}	3590	}
2818		3591
2819	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2820	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3605	(async {
2824	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2826	};	3609	};
2827		3610
2828	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2829	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2830	load_extensions;	3634	load_extensions;
2831		3635
2832	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2834	}	3649	}
2835		3650
2836	#############################################################################	3651	#############################################################################
2837	# initialisation and cleanup	3652	# initialisation and cleanup
2838		3653
2839	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2840	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2849	},
2850	);	3660	};
2851	}	3661	}
2852	}	3662	}
2853		3663
2854	sub write_runtime {	3664	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2856		3666
2857	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2859		3669
2860	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3671
2862	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2863		3673
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3675	or return;
2866		3676
2867	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2880		3690
2881	close $fh	3691	close $fh
2882	or return;	3692	or return;
2883		3693
2884	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3695	and return;
2886		3696
2887	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3698
2889	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2890	}	3750	}
2891		3751
2892	sub emergency_save() {	3752	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2894		3754
2895	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2896		3761
2897	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2898	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3773	$pl->save;
2906	}	3774	}
2907	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2908		3776
2909	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3782	$map->valid or next;
2913	$map->save;	3783	$map->save;
2914	}	3784	}
2915	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2916		3786
2917	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2920	};	3815	};
2921		3816
2922	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2923	}	3818	}
2924		3819
2925	sub post_cleanup {	3820	sub post_cleanup {
2926	my ($make_core) = @_;	3821	my ($make_core) = @_;
2927		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2928	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2930	}	3857	}
2931		3858
2932	sub do_reload_perl() {	3859	sub do_reload_perl() {
2933	# can/must only be called in main	3860	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2935	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2936	return;	3863	return;
2937	}	3864	}
2938		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2939	warn "reloading...";	3871	info "reloading...";
2940		3872
2941	warn "entering sync_job";	3873	trace "entering sync_job";
2942		3874
2943	cf::sync_job {	3875	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	3876	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		3877
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	3880	%EXT_CORO = ();
2972		3881
2973	warn "removing commands";	3882	trace "removing commands";
2974	%COMMAND = ();	3883	%COMMAND = ();
2975		3884
2976	warn "removing ext/exti commands";	3885	trace "removing ext/exti commands";
2977	%EXTCMD = ();	3886	%EXTCMD = ();
2978	%EXTICMD = ();	3887	%EXTICMD = ();
2979		3888
2980	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2983		3892
2984	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2985	eval {	3894	eval {
2986	$cb->($pkg);	3895	$cb->($pkg);
2987	1	3896	1
2988	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2989	}	3902	}
2990		3903
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3907
2999	warn "... unloading $k";	3908	trace "... unloading $k";
3000	delete $INC{$k};	3909	delete $INC{$k};
3001		3910
3002	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
3004		3913
3005	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
3007	}	3919	}
3008		3920
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3924
3016	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3928
3020	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3930	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
3023		3932
3024	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
3025		3934
3026	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
3027	require cf;	3936	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
3029		3938
3030	warn "loading config and database again";	3939	trace "loading config and database again";
3031	cf::cfg_load;	3940	cf::reload_config;
3032		3941
3033	warn "loading extensions";	3942	trace "loading extensions";
3034	cf::load_extensions;	3943	cf::load_extensions;
3035		3944
		3945	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
3042		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
3043	warn "leaving sync_job";	3957	trace "leaving sync_job";
3044		3958
3045	1	3959	1
3046	} or do {	3960	} or do {
3047	warn $@;	3961	error $@;
3048	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
3049	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
3050	};	3967	}
3051		3968
3052	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
3053	};	3971	};
3054		3972
3055	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
3056		3974
3057	sub reload_perl() {	3975	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
3060		3978
3061	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	3981
3064	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	3983	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
3068	},	3985	};
3069	);	3986	};
3070	}	3987	}
3071		3988
3072	register_command "reload" => sub {	3989	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
3074		3991
3075	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3996	reload_perl;
		3997	};
3078	}	3998	}
3079	};	3999	};
3080		4000
3081	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
3082		4002
…		…
3084		4004
3085	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
3087		4007
3088	sub wait_for_tick {	4008	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		4010
3092	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	4013	$signal->wait;
3095	}	4014	}
3096		4015
3097	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		4018
3101	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4021	$signal->wait;
3104	}	4022	}
3105		4023
3106	my $min = 1e6;#d#	4024	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
3118	return;	4028	return;
3119	}	4029	}
3120		4030
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
3124		4032
3125	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		4034
3131	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	4037	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	4039	write_runtime_sync
3136		4040	or error "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4041	};
		4042	}
3147		4043
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4045	$sig->send;
3164	}	4046	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	4048	$sig->send;
3167	}	4049	}
3168		4050
3169	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4053
3180	_post_tick;	4054	if (0) {
3181		4055	if ($NEXT_TICK) {
3182		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
3183	},	4060	}
3184	);	4061	}
3185		4062
3186	{	4063	{
3187	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4065
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
3197		4067	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4069
3213	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4077
3216	cf::sync_job {	4078	cf::sync_job {
3217	eval {	4079	eval {
3218	BDB::db_env_open	4080	BDB::db_env_open
3219	$DB_ENV,	4081	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4085	0666;
3224		4086
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4088	};
3230		4089
3231	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4091	};
3233	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3234	}	4103	}
3235		4104
3236	{	4105	{
		4106	# configure IO::AIO
		4107
3237	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4111	}
3250		4112
3251	my $_log_backtrace;	4113	my $_log_backtrace;
3252		4114
3253	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3257		4119
3258	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3261	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3262	my @bt = fork_call {	4127	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3274	}	4139	}
3275		4140
3276	@funcs	4141	@funcs
3277	};	4142	};
3278		4143
3279	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4147	--$_log_backtrace;
3282	};	4148	};
3283	} else {	4149	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3286	}	4152	}
3287	}	4153	}
3288		4154
3289	# load additional modules	4155	# load additional modules
3290	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3291		4158
3292	END { cf::emergency_save }	4159	END { cf::emergency_save }
3293		4160
3294	1	4161	1
3295		4162

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines