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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	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
170	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
171	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.
172		240
173	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
174		242
175	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	245	that call.
178		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
179	=back	253	=back
180		254
181	=cut	255	=cut
182		256
183	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	264	my $msg = join "", @_;
186		265
187	$msg .= "\n"	266	$msg .= "\n"
188	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
189		268
190	$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;
191		270
192	utf8::encode $msg;
193	LOG llevError, $msg;	271	LOG llevWarn, $msg;
194	};	272	};
195	}	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	};
196		287
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	298	for my $pkg (qw(
208	cf::global cf::attachable	299	cf::global cf::attachable
209	cf::object cf::object::player	300	cf::object cf::object::player
210	cf::client cf::player	301	cf::client cf::player
211	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
212	cf::map cf::party cf::region	304	cf::party cf::region
213	)) {	305	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	307	}
217		308
218	$Event::DIED = sub {	309	$EV::DIED = sub {
219	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
220	};	311	};
221		312
222	#############################################################################	313	#############################################################################
223		314
224	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
246	$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;
247	$d	338	$d
248	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
249	}	340	}
250		341
251	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
252		343
253	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
254		345
255	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
256		347
257	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
258		349
259	=cut	350	=cut
260		351
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		353
263	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		370
266	=item cf::lock_wait $string	371	=item cf::lock_wait $string
267		372
268	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
269		374
270	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
271		376
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
275	returned.	380	returned.
276		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
277	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
278	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
279		387
280	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
281		389
282	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.
283		391
284	=cut	392	=cut
285		393
286	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
287		395
288	sub lock_wait($) {	396	sub lock_wait($) {
289	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	398	}
297		399
298	sub lock_acquire($) {	400	sub lock_acquire($) {
299	my ($key) = @_;	401	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	402	}
311		403
312	sub lock_active($) {	404	sub lock_active($) {
313	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	406	}
317		407
318	sub freeze_mainloop {	408	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
320		410
321	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	412	}
323	};	413
324	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
325	$guard	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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
326	}	427	}
327		428
328	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
329		430
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		439
339	=cut	440	=cut
340		441
341	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
343		445
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
346	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
347		452
348	while () {	453	while () {
349	next_job:	454	next_job:
		455
350	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	457
352	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	462	$job->[2]->send;
356	Coro::cede;	463	Coro::cede;
357	goto next_job;	464	goto next_job;
358	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	467	}
360	}	468	}
361		469
362	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	473	$signal->wait;
366	} else {	474	} else {
		475	$busy = 0;
367	Coro::schedule;	476	Coro::schedule;
368	}	477	}
369	}	478	}
370	};	479	};
371		480
372	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
373	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
374		485
375	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
376	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
377		489
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
391		503
392	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
393		505
394	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
395		507
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	511	acceptable.
400		512
401	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
402	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
…		…
406	=cut	518	=cut
407		519
408	sub sync_job(&) {	520	sub sync_job(&) {
409	my ($job) = @_;	521	my ($job) = @_;
410		522
411	if ($Coro::current == $Coro::main) {	523	if (in_main) {
412	my $time = Event::time;	524	my $time = AE::time;
413		525
414	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
416		528
417	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	530
419	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
420		532
421	my $busy = 1;	533	my $busy = 1;
422	my @res;	534	my @res;
423		535
424	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	538	@res = eval { $job->() };
426	warn $@ if $@;	539	error $@ if $@;
427	undef $busy;	540	undef $busy;
428	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
429		542
430	while ($busy) {	543	while ($busy) {
431	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
432	}	548	}
		549	}
433		550
434	$time = Event::time - $time;	551	my $time = AE::time - $time;
435		552
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
440		554
441	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
442	} else {	556	} else {
443	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
444		558
…		…
469	=item fork_call { }, $args	583	=item fork_call { }, $args
470		584
471	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
472	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
475		589
476	=cut	590	=cut
477		591
478	sub fork_call(&@) {	592	sub fork_call(&@) {
479	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
480		594
481	# we seemingly have to make a local copy of the whole thing,	595	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	596	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	597	# TODO: investigate and fix (likely this will be rather laborious)
484		598
485	my @res = Coro::Util::fork_eval {	599	my @res = Coro::Util::fork_eval {
486	reset_signals;	600	reset_signals;
487	&$cb	601	&$cb
488	}, @args;	602	}, @args;
489		603
490	wantarray ? @res : $res[-1]	604	wantarray ? @res : $res[-1]
491	}	605	}
492		606
		607	sub objinfo {
		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
		643	}
		644
493	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
494		646
495	Returns a single value from the environment database.	647	Returns a single value from the environment database.
496		648
497	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
498		650
499	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
500	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).
501		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
502	=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	}
503		680
504	our $DB;	681	our $DB;
505		682
506	sub db_init {	683	sub db_init {
507	unless ($DB) {	684	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	685	}
522		686
523	sub db_get($$) {	687	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
525		689
526	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
527	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
528		694
529	$! ? ()	695	$! ? ()
530	: $data	696	: $data
531	}
532	}	697	}
533		698
534	sub db_put($$$) {	699	sub db_put($$$) {
535	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	740	if (1) {
576	$md5 =	741	$md5 =
577	join "\x00",	742	join "\x00",
578	$processversion,	743	$processversion,
579	map {	744	map {
580	Coro::cede;	745	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	747	} 0.. $#$src;
583		748
584		749
585	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		757
593	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	759	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
596		761
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		763
599	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
602		767
…		…
612		777
613	=cut	778	=cut
614		779
615	sub datalog($@) {	780	sub datalog($@) {
616	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	783	}
619		784
620	=back	785	=back
621		786
622	=cut	787	=cut
623		788
624	#############################################################################	789	#############################################################################
625		790
626	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
627		792
628	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
629	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")
630	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
631		796
632	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>
633	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
634	Crossfire TRT).	799	Deliantra).
635		800
636	=over 4	801	=over 4
637		802
638	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
639		804
…		…
683	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
684		849
685	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
686	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
687		852
688	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		855
691	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
692		857
693	=over 4	858	=over 4
…		…
817		982
818	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		985
821	} elsif (ref $type) {	986	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
823		988
824	} else {	989	} else {
825	shift @arg;	990	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
827	}	992	}
828	}	993	}
829	}	994	}
830		995
831	sub _object_attach {	996	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
842	}	1007	}
843		1008
844	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
845	} else {	1010	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1012	}
848		1013
849	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
850	}	1015	}
851		1016
…		…
910		1075
911	for (@$callbacks) {	1076	for (@$callbacks) {
912	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
913		1078
914	if ($@) {	1079	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1081	override;
918	}	1082	}
919		1083
920	return 1 if $override;	1084	return 1 if $override;
921	}	1085	}
922		1086
923	0	1087	0
924	}	1088	}
925		1089
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1091
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1093
930	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
931		1095
…		…
937		1101
938	=cut	1102	=cut
939		1103
940	#############################################################################	1104	#############################################################################
941	# object support	1105	# object support
942	#
943		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#
944	sub _can_merge {	1140	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
946		1142
947	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1144
951	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
952	}	1147	}
953		1148
954	sub reattach {	1149	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1151	my ($obj) = @_;
957		1152
		1153	# no longer needed after getting rid of delete_package?
958	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
959		1155
960	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
961		1157
962	@$registry = ();	1158	@$registry = ();
963		1159
…		…
968	for (@$attach) {	1164	for (@$attach) {
969	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
971	}	1167	}
972	} else {	1168	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1170	}
975	}	1171	}
976	}	1172	}
977		1173
978	cf::attachable->attach (	1174	cf::attachable->attach (
979	prio => -1000000,	1175	prio => -1000000,
980	on_instantiate => sub {	1176	on_instantiate => sub {
981	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
982		1178
983	$data = from_json $data;	1179	$data = decode_json $data;
984		1180
985	for (@$data) {	1181	for (@$data) {
986	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
987		1183
988	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1200	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1006		1202
1007	sync_job {	1203	sync_job {
1008	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1011		1209
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1217	aio_close $fh;
1017		1218
1018	if (@$objs) {	1219	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1228	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1230	}
1027	} else {	1231	} else {
1028	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1029	}	1233	}
1030		1234
1031	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1239	} else {
1033	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1034	}	1241	}
1035	} else {	1242	} else {
1036	aio_unlink $filename;	1243	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1038	}	1245	}
1039	}	1246	};
1040	}	1247	}
1041		1248
1042	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1044		1251
…		…
1056	or return;	1263	or return;
1057		1264
1058	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1267	or return;
		1268
1061	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1062	}	1271	}
1063		1272
		1273	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1066	return ($data, $av);	1278	($data, $av)
1067	}	1279	}
1068		1280
1069	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1070		1282
1071	=over 4	1283	=over 4
…		…
1125	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1126		1338
1127	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1128	}	1340	}
1129		1341
		1342	use File::Glob ();
		1343
1130	cf::player->attach (	1344	cf::player->attach (
1131	on_command => sub {	1345	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1133		1347
1134	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1135	or return;	1349	or return;
1136		1350
…		…
1149	my ($type, $reply, @payload) =	1363	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1364	"ARRAY" eq ref $msg
1151	? @$msg	1365	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1367
		1368	my @reply;
		1369
1154	if (my $cb = $EXTCMD{$type}) {	1370	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1371	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1160	} else {	1377	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1379	}
1163		1380
1164	cf::override;	1381	cf::override;
1165	},	1382	},
1166	);	1383	);
1167		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
1168	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1169	cf::sync_job {	1401	cf::sync_job {
1170	my %todo;	1402	my %todo;
1171		1403
1172	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1405	next unless -r $path;
…		…
1191		1423
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1426
1195	$ext{source} =	1427	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1198	. $source	1430	. $source
1199	. "\n};\n1";	1431	. "\n};\n1";
1200		1432
1201	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1202	}	1434	}
1203		1435
		1436	my $pass = 0;
1204	my %done;	1437	my %done;
1205	while (%todo) {	1438	while (%todo) {
1206	my $progress;	1439	my $progress;
1207		1440
		1441	++$pass;
		1442
		1443	ext:
1208	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1446	next ext
1211	unless exists $done{$_};	1447	unless exists $done{$_};
1212	}	1448	}
1213		1449
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1451
1216	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1221	warn $msg;	1459
1222	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1461	delete $todo{$k};
1224	}	1462	} else {
1225		1463	$done{$k} = delete $todo{$k};
1226	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1227	}	1469	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1470	}
1233		1471
1234	skip:	1472	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	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	}
1237	}	1480	}
1238	};	1481	};
1239	}	1482	}
1240		1483
1241	#############################################################################	1484	#############################################################################
1242		1485
1243	=back	1486	=back
1244		1487
1245	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1246		1489
1247	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1248		1491
1249	=cut	1492	=cut
1250		1493
1251	package cf::player;	1494	package cf::player;
1252		1495
1253	use Coro::AIO;	1496	use Coro::AIO;
1254		1497
1255	=head3 cf::player	1498	=head3 cf::player
1256		1499
1257	=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	}
1258		1515
1259	=item cf::player::find $login	1516	=item cf::player::find $login
1260		1517
1261	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1262		1519
…		…
1281		1538
1282	sub exists($) {	1539	sub exists($) {
1283	my ($login) = @_;	1540	my ($login) = @_;
1284		1541
1285	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1287	}	1544	}
1288		1545
1289	sub find($) {	1546	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1548	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1559
1303	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1304	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;
1305	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1306	}	1569	}
1307	}	1570	}
1308	}	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	);
1309		1585
1310	sub save($) {	1586	sub save($) {
1311	my ($pl) = @_;	1587	my ($pl) = @_;
1312		1588
1313	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1319		1595
1320	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1322		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
1323	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1324	Coro::cede;	1605	cf::cede_to_tick;
1325	}	1606	}
1326		1607
1327	sub new($) {	1608	sub new($) {
1328	my ($login) = @_;	1609	my ($login) = @_;
1329		1610
…		…
1358	my ($pl) = @_;	1639	my ($pl) = @_;
1359		1640
1360	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1361		1642
1362	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1363	$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
1364		1645
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1369		1651
1370	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1689	or return [];
1408		1690
1409	my @logins;	1691	my @logins;
1410		1692
1411	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") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1415		1703
1416	utf8::decode $login;	1704	utf8::decode $login;
1417	push @logins, $login;	1705	push @logins, $login;
1418	}	1706	}
1419		1707
1420	\@logins	1708	\@logins
1421	}	1709	}
1422		1710
1423	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1424		1714
1425	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1426	player. May block.	1716	player. May block.
1427		1717
1428	=cut	1718	=cut
…		…
1446	}	1736	}
1447		1737
1448	\@paths	1738	\@paths
1449	}	1739	}
1450		1740
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1742
1453	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1744
1501	=item $player->ext_reply ($msgid, @msg)	1745	=item $player->ext_reply ($msgid, @msg)
1502		1746
1503	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1504		1748
1505	=cut	1749	=cut
1506		1750
1507	sub ext_reply($$@) {	1751	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1752	my ($self, $id, @msg) = @_;
1509		1753
1510	if ($self->ns->extcmd == 2) {	1754	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1755	}
1518		1756
1519	=item $player->ext_msg ($type, @msg)	1757	=item $player->ext_msg ($type, @msg)
1520		1758
1521	Sends an ext event to the client.	1759	Sends an ext event to the client.
…		…
1542		1780
1543	=cut	1781	=cut
1544		1782
1545	sub find_by_path($) {	1783	sub find_by_path($) {
1546	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1547		1787
1548	my ($match, $specificity);	1788	my ($match, $specificity);
1549		1789
1550	for my $region (list) {	1790	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1579		1819
1580	sub generate_random_map {	1820	sub generate_random_map {
1581	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
1582	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1826	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1605		1848
1606	sub register {	1849	sub register {
1607	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1851	my $pkg = caller;
1609		1852
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1854
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1856	}
1615		1857
1616	# also paths starting with '/'	1858	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1860
1619	sub thawer_merge {	1861	sub thawer_merge {
1620	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1621		1863
1622	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1627	}	1869	}
1628		1870
1629	sub normalise {	1871	sub normalise {
1630	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1631		1873
1632	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1633		1875
1634	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1635		1877
1636	# map plan:	1878	# map plan:
1637	#	1879	#
…		…
1676	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1677	return $self;	1919	return $self;
1678	}	1920	}
1679	}	1921	}
1680		1922
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1924	()
1683	}	1925	}
1684		1926
1685	sub init {	1927	sub init {
1686	my ($self) = @_;	1928	my ($self) = @_;
…		…
1708		1950
1709	# the temporary/swap location	1951	# the temporary/swap location
1710	sub save_path {	1952	sub save_path {
1711	my ($self) = @_;	1953	my ($self) = @_;
1712		1954
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1715	}	1957	}
1716		1958
1717	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1718	sub uniq_path {	1960	sub uniq_path {
1719	my ($self) = @_;	1961	my ($self) = @_;
1720		1962
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1965	}
1733		1966
1734	sub decay_objects {	1967	sub decay_objects {
1735	my ($self) = @_;	1968	my ($self) = @_;
1736		1969
…		…
1749		1982
1750	sub load_header_from($) {	1983	sub load_header_from($) {
1751	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1752		1985
1753	utf8::encode $path;	1986	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1759		1995
1760	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1761		1997
1762	1	1998	1
1763	}	1999	}
…		…
1815		2051
1816	sub find;	2052	sub find;
1817	sub find {	2053	sub find {
1818	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1819		2055
		2056	cf::cede_to_tick;
		2057
1820	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1821		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2062
1824	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1827	or return;	2065	or return;
1828		2066
1829	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1830		2068
…		…
1832	or return;	2070	or return;
1833		2071
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1837	$map->reset;	2077	$map->reset;
1838	undef $guard;
1839	return find $path;	2078	return find $path;
1840	}	2079	}
1841		2080
1842	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1843	}	2082	}
1844	}	2083	}
1845		2084
1846	sub pre_load { }	2085	sub pre_load { }
1847	sub post_load { }	2086	#sub post_load { } # XS
1848		2087
1849	sub load {	2088	sub load {
1850	my ($self) = @_;	2089	my ($self) = @_;
1851		2090
1852	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1853		2092
1854	my $path = $self->{path};	2093	my $path = $self->{path};
1855		2094
1856	{	2095	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1858		2097
		2098	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2100
1861	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1862		2102
1863	$self->alloc;	2103	$self->alloc;
1864		2104
1865	$self->pre_load;	2105	$self->pre_load;
1866	Coro::cede;	2106	cf::cede_to_tick;
1867		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1869	or return;	2111	or return;
1870		2112
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1872	if delete $self->{load_original};	2114	if delete $self->{load_original};
1873		2115
1874	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2117	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2120	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1879	}	2124	}
1880	}	2125	}
1881		2126
1882	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1883	# now do the right thing for maps	2130	# now do the right thing for maps
1884	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2133	unless $self->difficulty;
1887	Coro::cede;	2134	cf::cede_to_tick;
1888		2135
1889	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2137	$self->decay_objects;
1891	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1892	$self->update_buttons;	2139	$self->update_buttons;
1893	Coro::cede;	2140	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2141	$self->activate;
1897	}	2142	}
1898		2143
1899	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2145	$self->last_access ($cf::RUNTIME);
1901		2146
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2148	}
1904		2149
1905	$self->post_load;	2150	$self->post_load;
1906	}	2151	}
1907		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2156	sub customise_for {
1909	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1910		2158
1911	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2160	if $self->per_player;
…		…
1928	or next;	2176	or next;
1929	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1930	or next;	2178	or next;
1931	$neigh->load;	2179	$neigh->load;
1932		2180
		2181	# now find the diagonal neighbours
1933	push @neigh,	2182	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}	2185	}
1937		2186
…		…
1944	}	2193	}
1945		2194
1946	sub find_sync {	2195	sub find_sync {
1947	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1948		2197
1949	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1950	}	2202	}
1951		2203
1952	sub do_load_sync {	2204	sub do_load_sync {
1953	my ($map) = @_;	2205	my ($map) = @_;
1954		2206
1955	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1956	}	2211	}
1957		2212
1958	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1960		2215
1961	sub find_async {	2216	sub find_async {
1962	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1963		2218
1964	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1965		2220
1966	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2223	}
1969		2224
1970	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1971	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1972	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2232	if (my $map = find $k) {
1975	$map->load;	2233	$map->load if $v;
1976	}	2234	}
1977		2235
1978	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1979	}	2237	}
1980	}	2238	}
1981	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1982	};	2240	};
1983	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1984		2242
1985	()	2243	()
1986	}	2244	}
1987		2245
		2246	# common code, used by both ->save and ->swapout
1988	sub save {	2247	sub _save {
1989	my ($self) = @_;	2248	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2249
1993	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1994		2251
1995	return unless $self->dirty;	2252	return unless $self->dirty;
1996		2253
…		…
2002	return if $self->{deny_save};	2259	return if $self->{deny_save};
2003		2260
2004	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
2005		2262
2006	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
2008	};	2266	};
		2267
		2268	cf::get_slot 0.02;
2009		2269
2010	if ($uniq) {	2270	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2273	} else {
2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015	}	2275	}
2016	}	2276	}
2017		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
2018	sub swap_out {	2286	sub swap_out {
2019	my ($self) = @_;	2287	my ($self) = @_;
2020		2288
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
2026	return if $self->players;	2293	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
2030	$self->clear;	2304	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2305	}
2033		2306
2034	sub reset_at {	2307	sub reset_at {
2035	my ($self) = @_;	2308	my ($self) = @_;
2036		2309
…		…
2054		2327
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2329
2057	return if $self->players;	2330	return if $self->players;
2058		2331
2059	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
2060		2333
2061	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
2062		2335
2063	# need to save uniques path	2336	# need to save uniques path
2064	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
2068	if $uniq;	2341	if $uniq;
2069	}	2342	}
2070		2343
2071	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2072		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2348	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2349
2077	$self->unlink_save;	2350	$self->unlink_save;
2078	$self->destroy;	2351	$self->destroy;
2079	}	2352	}
2080		2353
2081	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2082		2355
2083	sub nuke {	2356	sub nuke {
2084	my ($self) = @_;	2357	my ($self) = @_;
2085		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2086	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2087		2363
2088	$self->unlink_save;	2364	$self->unlink_save;
2089		2365
2090	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2371
2096	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2097		2374
2098	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2099	}	2376	}
2100		2377
2101	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2143		2420
2144	sub unique_maps() {	2421	sub unique_maps() {
2145	[	2422	[
2146	map {	2423	map {
2147	utf8::decode $_;	2424	utf8::decode $_;
2148	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2149	? normalise $_	2428	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2430	]
2153	}	2431	}
2154		2432
2155	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2156		2464
2157	=back	2465	=back
2158		2466
2159	=head3 cf::object	2467	=head3 cf::object
2160		2468
…		…
2164		2472
2165	=over 4	2473	=over 4
2166		2474
2167	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2168		2476
2169	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2170		2479
2171	=cut	2480	=cut
2172		2481
2173	sub inv_recursive_;	2482	sub inv_recursive_;
2174	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2177		2486
2178	sub inv_recursive {	2487	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2180	}	2489	}
2181		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2182	package cf;	2519	package cf;
2183		2520
2184	=back	2521	=back
2185		2522
2186	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2192	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2194	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2195		2532
2196	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2197		2548
2198	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2550	# with dialog boxes.
2200	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2201	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2566
2216	} else {	2567	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2570	}
2220	}	2571	}
2221	}	2572	}
2222		2573
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2599
2249	=item $player_object->enter_link	2600	=item $player_object->enter_link
2250		2601
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2603
2253	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2255		2608
2256	Will never block.	2609	Will never block.
2257		2610
2258	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2259		2612
…		…
2279	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2633	my ($self) = @_;
2281		2634
2282	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2283		2636
		2637	++$self->{_link_recursion};
		2638
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2640
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2288		2643
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2645	}
2291		2646
2292	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2294		2649
…		…
2311	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2313		2668
2314	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2317		2672
2318	$map->load;	2673	$map->load;
2319	$map->load_neighbours;	2674	$map->load_neighbours;
2320		2675
2321	return unless $self->contr->active;	2676	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2677
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2326	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2327		2685
		2686	}
		2687
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2689
2330	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2331	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2693	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2694	be called at the end of this process.
2335		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
2336	=cut	2699	=cut
2337		2700
2338	our $GOTOGEN;	2701	our $GOTOGEN;
2339		2702
2340	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
2343	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2714
2346	$self->enter_link;	2715	$self->enter_link;
2347		2716
2348	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2349	my $map = eval {	2739	my $map = eval {
2350	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2351		2741
2352	if ($map) {	2742	if ($map) {
2353	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2745	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2747	}
2358		2748
2359	$map	2749	$map
2360	};	2750	};
2361		2751
…		…
2367	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2370	}	2760	}
2371		2761
2372	$done->() if $done;	2762	$done->($self) if $done;
2373	})->prio (1);	2763	})->prio (1);
2374	}	2764	}
2375		2765
2376	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2377		2767
…		…
2397	}	2787	}
2398		2788
2399	sub prepare_random_map {	2789	sub prepare_random_map {
2400	my ($exit) = @_;	2790	my ($exit) = @_;
2401		2791
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2794	# that depends on the exit object
2407		2795
2408	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2798	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2415	}	2805	}
2416		2806
2417	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2418		2808
2419	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2422		2812
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2815	undef $fh;
2426	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2427		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2430	}	2824	}
2431	}	2825	}
2432		2826
2433	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2435		2829
2436	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2437		2831
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2832	$self->enter_link;
2450		2833
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2834	(async {
2456	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2457	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2458	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2459		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2460	1;	2858	1
2461	}) {	2859	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2864
2467	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2866	$self->leave_link;
2469	}	2867	}
2470	})->prio (1);	2868	})->prio (1);
2471	}	2869	}
2472		2870
…		…
2484	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
2486		2884
2487	utf8::encode $text;	2885	utf8::encode $text;
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2887	}
		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
2489	}	2912	}
2490		2913
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2915
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2497		2920
2498	=cut	2921	=cut
2499		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2500	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3039
2503	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2504		3042
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
2507	if (ref $channel) {	3052	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3053	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3054	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3055	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3056	$self->ext_msg (channel_info => $channel);
2512	}	3057	}
…		…
2514	$channel = $channel->{id};	3059	$channel = $channel->{id};
2515	}	3060	}
2516		3061
2517	return unless @extra || length $msg;	3062	return unless @extra || length $msg;
2518		3063
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3064	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3066	if $color & cf::NDI_DEF;
2523		3067
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3071	);
2527	if ($color >= 0) {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3072
2538	$color &= cf::NDI_COLOR_MASK;	3073	$self->send_big_packet ($pkt);
2539
2540	utf8::encode $msg;
2541
2542	if (0 && $msg =~ /\[/) {
2543	# COMMAND/INFO
2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
2545	} else {
2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547	$self->send_packet ("drawinfo $color $msg")
2548	}
2549	}
2550	}
2551	}	3074	}
2552		3075
2553	=item $client->ext_msg ($type, @msg)	3076	=item $client->ext_msg ($type, @msg)
2554		3077
2555	Sends an ext event to the client.	3078	Sends an ext event to the client.
…		…
2557	=cut	3080	=cut
2558		3081
2559	sub cf::client::ext_msg($$@) {	3082	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3083	my ($self, $type, @msg) = @_;
2561		3084
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {	3085	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove	3087	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";	3088	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}	3108	}
2570	}	3109	}
2571		3110
2572	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2573		3112
…		…
2634	my ($type, $reply, @payload) =	3173	my ($type, $reply, @payload) =
2635	"ARRAY" eq ref $msg	3174	"ARRAY" eq ref $msg
2636	? @$msg	3175	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3177
		3178	my @reply;
		3179
2639	if (my $cb = $EXTICMD{$type}) {	3180	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3181	@reply = $cb->($ns, @payload);
2641
2642	$ns->ext_reply ($reply, @reply)
2643	if $reply;
2644	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2645	} else {	3187	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3189	}
2648		3190
2649	cf::override;	3191	cf::override;
2650	},	3192	},
2651	);	3193	);
…		…
2671		3213
2672	$coro	3214	$coro
2673	}	3215	}
2674		3216
2675	cf::client->attach (	3217	cf::client->attach (
2676	on_destroy => sub {	3218	on_client_destroy => sub {
2677	my ($ns) = @_;	3219	my ($ns) = @_;
2678		3220
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3222	},
2681	);	3223	);
…		…
2697	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2698		3240
2699	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2700		3242
2701	$safe->permit_only (Opcode::opset qw(	3243	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3244	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3245	grepstart grepwhile mapstart mapwhile
2704	sort time	3246	sort time
2705	));	3247	));
2706		3248
2707	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
…		…
2709	=pod	3251	=pod
2710		3252
2711	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2712		3254
2713	cf::object	3255	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3256	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3257	insert remove name archname title slaying race decrease split
		3258	value
2716		3259
2717	cf::object::player	3260	cf::object::player
2718	player	3261	player
2719		3262
2720	cf::player	3263	cf::player
…		…
2725		3268
2726	=cut	3269	=cut
2727		3270
2728	for (	3271	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2734	) {	3278	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3281	for @funs;
2739	}	3282	}
2740		3283
…		…
2755		3298
2756	my $qcode = $code;	3299	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2759		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2760	local $_;	3306	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3307
2763	my $eval =	3308	my $eval =
2764	"do {\n"	3309	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3312	. $code
2768	. "\n}"	3313	. "\n}"
2769	;	3314	;
2770		3315
		3316	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	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	}
2774		3325
2775	if ($@) {	3326	if ($@) {
2776	warn "$@";	3327	warn "$@",
2777	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2779	}	3330	}
2780		3331
2781	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2782	}	3333	}
2783		3334
…		…
2797	=cut	3348	=cut
2798		3349
2799	sub register_script_function {	3350	sub register_script_function {
2800	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2801		3352
2802	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2804	}	3355	}
2805		3356
2806	=back	3357	=back
2807		3358
2808	=cut	3359	=cut
…		…
2811	# the server's init and main functions	3362	# the server's init and main functions
2812		3363
2813	sub load_facedata($) {	3364	sub load_facedata($) {
2814	my ($path) = @_;	3365	my ($path) = @_;
2815		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
2816	my $enc = JSON::XS->new->utf8->canonical;	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817		3372
2818	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2819		3374
2820	my $facedata;	3375	my $facedata;
2821	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2822	or die "$path: $!";	3377	or die "$path: $!";
2823		3378
…		…
2825		3380
2826	$facedata->{version} == 2	3381	$facedata->{version} == 2
2827	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2828		3383
2829	# patch in the exptable	3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2830	$facedata->{resource}{"res/exp_table"} = {	3386	$facedata->{resource}{"res/exp_table"} = {
2831	type => FT_RSRC,	3387	type => FT_RSRC,
2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
2833	};	3390	};
2834	cf::cede_to_tick;	3391	cf::cede_to_tick;
2835		3392
2836	{	3393	{
2837	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2838		3395
2839	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2841	cf::face::set_visibility $idx, $info->{visibility};	3399	cf::face::set_visibility $idx, $info->{visibility};
2842	cf::face::set_magicmap $idx, $info->{magicmap};	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2845		3403
2846	cf::cede_to_tick;	3404	cf::cede_to_tick;
2847	}	3405	}
2848		3406
2849	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2850	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2851	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2852	or next;	3411	or next;
		3412
2853	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
2854	cf::face::set_smooth $idx, $smooth;	3414	cf::face::set_smooth $idx, $smooth;
2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2856	} else {	3416	} else {
2857	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2858	}	3418	}
2859		3419
2860	cf::cede_to_tick;	3420	cf::cede_to_tick;
2861	}	3421	}
2862	}	3422	}
…		…
2871		3431
2872	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2873	}	3433	}
2874		3434
2875	{	3435	{
2876	# TODO: for gcfclient pleasure, we should give resources
2877	# that gcfclient doesn't grok a >10000 face index.
2878	my $res = $facedata->{resource};	3436	my $res = $facedata->{resource};
2879		3437
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881
2882	while (my ($name, $info) = each %$res) {	3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2884	my $data;
2885		3441
2886	if ($info->{type} & 1) {	3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2887	# prepend meta info	3443	cf::face::set_type $idx, $info->{type};
2888		3444	} else {
2889	my $meta = $enc->encode ({	3445	$RESOURCE{$name} = $info; # unused
2890	name => $name,
2891	%{ $info->{meta} || {} },
2892	});
2893
2894	$data = pack "(w/a*)*", $meta, $info->{data};
2895	}	3446	}
2896		3447
2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2898	cf::face::set_type $idx, $info->{type};
2899
2900	cf::cede_to_tick;	3448	cf::cede_to_tick;
2901	}	3449	}
2902
2903	if ($soundconf) {
2904	$soundconf = $enc->decode (delete $soundconf->{data});
2905
2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2907	my $sound = $soundconf->{compat}[$_]
2908	or next;
2909
2910	my $face = cf::face::find "sound/$sound->[1]";
2911	cf::sound::set $sound->[0] => $face;
2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2913	}
2914
2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
2916	my $face = cf::face::find "sound/$v";
2917	cf::sound::set $k => $face;
2918	}
2919	}
2920	}	3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2921		3453
2922	1	3454	1
2923	}	3455	}
2924		3456
2925	register_exticmd fx_want => sub {	3457	register_exticmd fx_want => sub {
…		…
2928	while (my ($k, $v) = each %$want) {	3460	while (my ($k, $v) = each %$want) {
2929	$ns->fx_want ($k, $v);	3461	$ns->fx_want ($k, $v);
2930	}	3462	}
2931	};	3463	};
2932		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
2933	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
2934	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2935	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
2936		3482
2937	for (cf::region::list) {	3483	for (cf::region::list) {
2938	$_->{match} = qr/$_->{match}/	3484	$_->{match} = qr/$_->{match}/
…		…
2946	}	3492	}
2947		3493
2948	sub reload_archetypes {	3494	sub reload_archetypes {
2949	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2950	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2951	#d# NEED to laod twice to resolve forward references
2952	# this really needs to be done in an extra post-pass
2953	# (which needs to be synchronous, so solve it differently)
2954	load_resource_file "$DATADIR/archetypes"
2955	or die "unable to load archetypes\n";
2956	}	3497	}
2957		3498
2958	sub reload_treasures {	3499	sub reload_treasures {
2959	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2960	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2961	}	3502	}
2962		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
2963	sub reload_resources {	3527	sub reload_resources {
2964	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2965		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
2966	reload_regions;	3535	reload_regions;
2967	reload_facedata;
2968	#reload_archetypes;#d#
2969	reload_archetypes;
2970	reload_treasures;	3536	reload_treasures;
2971		3537
2972	warn "finished reloading resource files\n";	3538	trace "finished reloading resource files\n";
2973	}	3539	}
2974		3540
2975	sub init {	3541	sub reload_config {
2976	reload_resources;	3542	trace "reloading config file...\n";
2977	}
2978		3543
2979	sub cfg_load {
2980	open my $fh, "<:utf8", "$CONFDIR/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2981	or return;	3545	or return;
2982		3546
2983	local $/;	3547	local $/;
2984	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2985		3549
2986	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2987		3551
2988	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2989	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2990		3554
2991	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2993	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2994	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2995	};	3559	};
2996	warn $@ if $@;	3560	warn $@ if $@;
2997	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2998	}	3592	}
2999		3593
3000	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
3001	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
3002	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3004	(async {	3607	(async {
3005	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
3006	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
3007	};	3611	};
3008		3612
3009	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
		3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
3010	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
3011	load_extensions;	3636	load_extensions;
3012		3637
3013	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
3014	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
3015	}	3656	}
3016		3657
3017	#############################################################################	3658	#############################################################################
3018	# initialisation and cleanup	3659	# initialisation and cleanup
3019		3660
3020	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
3021	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
3022	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
3023	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3024	reentrant => 0,
3025	data => WF_AUTOCANCEL,
3026	signal => $signal,
3027	prio => 0,
3028	cb => sub {
3029	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
3030	},
3031	);	3667	};
3032	}	3668	}
3033	}	3669	}
3034		3670
3035	sub write_runtime {	3671	sub write_runtime_sync {
3036	my $runtime = "$LOCALDIR/runtime";	3672	my $t0 = AE::time;
3037		3673
3038	# first touch the runtime file to show we are still running:	3674	# first touch the runtime file to show we are still running:
3039	# the fsync below can take a very very long time.	3675	# the fsync below can take a very very long time.
3040		3676
3041	IO::AIO::aio_utime $runtime, undef, undef;	3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3042		3678
3043	my $guard = cf::lock_acquire "write_runtime";	3679	my $guard = cf::lock_acquire "write_runtime";
3044		3680
3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3046	or return;	3682	or return;
3047		3683
3048	my $value = $cf::RUNTIME + 90 + 10;	3684	my $value = $cf::RUNTIME + 90 + 10;
3049	# 10 is the runtime save interval, for a monotonic clock	3685	# 10 is the runtime save interval, for a monotonic clock
3050	# 60 allows for the watchdog to kill the server.	3686	# 60 allows for the watchdog to kill the server.
…		…
3060	aio_utime $fh, undef, undef;	3696	aio_utime $fh, undef, undef;
3061		3697
3062	close $fh	3698	close $fh
3063	or return;	3699	or return;
3064		3700
3065	aio_rename "$runtime~", $runtime	3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3066	and return;	3702	and return;
3067		3703
3068	warn "runtime file written.\n";	3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3069		3705
3070	1	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
3071	}	3757	}
3072		3758
3073	sub emergency_save() {	3759	sub emergency_save() {
3074	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
3075		3761
3076	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
3077		3768
3078	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
3079	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
3080	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
3081	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
3082	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
3083	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
3084	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
3085	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3086	$pl->save;	3780	$pl->save;
3087	}	3781	}
3088	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
3089		3783
3090	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
3091	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
3092	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
3093	$map->valid or next;	3789	$map->valid or next;
3094	$map->save;	3790	$map->save;
3095	}	3791	}
3096	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
3097		3793
3098	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
3099	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
3100	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
3101	};	3822	};
3102		3823
3103	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
3104	}	3825	}
3105		3826
3106	sub post_cleanup {	3827	sub post_cleanup {
3107	my ($make_core) = @_;	3828	my ($make_core) = @_;
3108		3829
		3830	IO::AIO::flush;
		3831
3109	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
3110	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
3111	}	3862	}
3112		3863
3113	sub do_reload_perl() {	3864	sub do_reload_perl() {
3114	# can/must only be called in main	3865	# can/must only be called in main
3115	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
3116	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
3117	return;	3868	return;
3118	}	3869	}
3119		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
3120	warn "reloading...";	3877	info "reloading...";
3121		3878
3122	warn "entering sync_job";	3879	trace "entering sync_job";
3123		3880
3124	cf::sync_job {	3881	cf::sync_job {
3125	cf::write_runtime; # external watchdog should not bark
3126	cf::emergency_save;	3882	#cf::emergency_save;
3127	cf::write_runtime; # external watchdog should not bark
3128		3883
3129	warn "syncing database to disk";
3130	BDB::db_env_txn_checkpoint $DB_ENV;
3131
3132	# if anything goes wrong in here, we should simply crash as we already saved
3133
3134	warn "cancelling all WF_AUTOCANCEL watchers";
3135	for (Event::all_watchers) {
3136	$_->cancel if $_->data & WF_AUTOCANCEL;
3137	}
3138
3139	warn "flushing outstanding aio requests";
3140	for (;;) {
3141	BDB::flush;
3142	IO::AIO::flush;
3143	Coro::cede;
3144	last unless IO::AIO::nreqs || BDB::nreqs;
3145	warn "iterate...";
3146	}
3147
3148	++$RELOAD;
3149
3150	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
3151	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
3152	%EXT_CORO = ();	3886	%EXT_CORO = ();
3153		3887
3154	warn "removing commands";	3888	trace "removing commands";
3155	%COMMAND = ();	3889	%COMMAND = ();
3156		3890
3157	warn "removing ext/exti commands";	3891	trace "removing ext/exti commands";
3158	%EXTCMD = ();	3892	%EXTCMD = ();
3159	%EXTICMD = ();	3893	%EXTICMD = ();
3160		3894
3161	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
3162	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
3163	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
3164		3898
3165	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
3166	eval {	3900	eval {
3167	$cb->($pkg);	3901	$cb->($pkg);
3168	1	3902	1
3169	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
3170	}	3908	}
3171		3909
3172	warn "... nuking $pkg";
3173	Symbol::delete_package $pkg;
3174	}
3175
3176	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
3177	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3179		3913
3180	warn "... unloading $k";	3914	trace "... unloading $k";
3181	delete $INC{$k};	3915	delete $INC{$k};
3182		3916
3183	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
3184	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
3185		3919
3186	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
3187	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
3188	}	3925	}
3189		3926
3190	Symbol::delete_package $k;
3191	}
3192
3193	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
3194	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3196		3930
3197	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
3198	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
3199	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3200		3934
3201	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
3202	# and global variables created in xs	3936	# and global variables created in xs
3203	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
3204		3938
3205	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
3206		3940
3207	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
3208	require cf;	3942	require cf;
3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
3210		3944
3211	warn "loading config and database again";	3945	trace "loading config and database again";
3212	cf::cfg_load;	3946	cf::reload_config;
3213		3947
3214	warn "loading extensions";	3948	trace "loading extensions";
3215	cf::load_extensions;	3949	cf::load_extensions;
3216		3950
		3951	if ($REATTACH_ON_RELOAD) {
3217	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
3218	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
3219	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
3220	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
3221	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
3222	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
3223		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
3224	warn "leaving sync_job";	3963	trace "leaving sync_job";
3225		3964
3226	1	3965	1
3227	} or do {	3966	} or do {
3228	warn $@;	3967	error $@;
3229	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
3230	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
3231	};	3973	}
3232		3974
3233	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
3234	};	3977	};
3235		3978
3236	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
3237		3980
3238	sub reload_perl() {	3981	sub reload_perl() {
3239	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
3240	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
3241		3984
3242	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
3243	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
3244	after => 0,	3987
3245	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3246	cb => sub {
3247	do_reload_perl;	3989	do_reload_perl;
3248	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
3249	},	3991	};
3250	);	3992	};
3251	}	3993	}
3252		3994
3253	register_command "reload" => sub {	3995	register_command "reload" => sub {
3254	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
3255		3997
3256	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
3257	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
3258	async { reload_perl };	4002	reload_perl;
		4003	};
3259	}	4004	}
3260	};	4005	};
3261		4006
3262	unshift @INC, $LIBDIR;	4007	#############################################################################
3263		4008
3264	my $bug_warning = 0;	4009	my $bug_warning = 0;
3265		4010
3266	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
3267	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
3268		4013
3269	sub wait_for_tick {	4014	sub wait_for_tick {
3270	return unless $TICK_WATCHER->is_active;
3271	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272		4016
3273	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
3275	$signal->wait;	4019	$signal->wait;
3276	}	4020	}
3277		4021
3278	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
3279	return unless $TICK_WATCHER->is_active;
3280	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3281		4024
3282	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
3283	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
3284	$signal->wait;	4027	$signal->wait;
3285	}	4028	}
3286		4029
3287	my $min = 1e6;#d#	4030	sub tick {
3288	my $avg = 10;
3289	$TICK_WATCHER = Event->timer (
3290	reentrant => 0,
3291	parked => 1,
3292	prio => 0,
3293	at => $NEXT_TICK || $TICK,
3294	data => WF_AUTOCANCEL,
3295	cb => sub {
3296	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3298	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
3299	return;	4034	return;
3300	}	4035	}
3301		4036
3302	$NOW = $tick_start = Event::time;
3303
3304	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
3305		4038
3306	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3307	for(1..10) {
3308	my $t = Event::time;
3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3310	or die;
3311		4040
3312	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3313	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3314	$map->alloc;	4043	Coro::async_pool {
3315	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
3316	my $t = Event::time - $t;	4045	write_runtime_sync
3317		4046	or error "ERROR: unable to write runtime file: $!";
3318	#next unless $t < 0.0013;#d#
3319	if ($t < $min) {
3320	$min = $t;
3321	}
3322	$avg = $avg * 0.99 + $t * 0.01;
3323	}
3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3325	exit 0;
3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3327	};	4047	};
		4048	}
3328		4049
3329	$RUNTIME += $TICK;
3330	$NEXT_TICK += $TICK;
3331
3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
3334	Coro::async_pool {
3335	write_runtime
3336	or warn "ERROR: unable to write runtime file: $!";
3337	};
3338	}
3339
3340	# my $AFTER = Event::time;
3341	# warn $AFTER - $NOW;#d#
3342
3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3344	$sig->send;	4051	$sig->send;
3345	}	4052	}
3346	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
3347	$sig->send;	4054	$sig->send;
3348	}	4055	}
3349		4056
3350	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
3351
3352	# if we are delayed by four ticks or more, skip them all
3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3354
3355	$TICK_WATCHER->at ($NEXT_TICK);
3356	$TICK_WATCHER->start;
3357
3358	$LOAD = ($NOW - $tick_start) / $TICK;
3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3360		4059
3361	_post_tick;	4060	if (0) {
3362		4061	if ($NEXT_TICK) {
3363		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
3364	},	4066	}
3365	);	4067	}
3366		4068
3367	{	4069	{
3368	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
3369	$BDB_POLL_WATCHER = Event->io (	4071
3370	reentrant => 0,
3371	fd => BDB::poll_fileno,
3372	poll => 'r',
3373	prio => 0,
3374	data => WF_AUTOCANCEL,
3375	cb => \&BDB::poll_cb,
3376	);
3377	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
3378		4073	BDB::max_poll_reqs $TICK * 0.1;
3379	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
3380	my $status;
3381	my $current = $Coro::current;
3382	(
3383	sub {
3384	$status = $!;
3385	$current->ready; undef $current;
3386	},
3387	sub {
3388	Coro::schedule while defined $current;
3389	$! = $status;
3390	},
3391	)
3392	};
3393		4075
3394	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
3395	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3396		4083
3397	cf::sync_job {	4084	cf::sync_job {
3398	eval {	4085	eval {
3399	BDB::db_env_open	4086	BDB::db_env_open
3400	$DB_ENV,	4087	$DB_ENV,
…		…
3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3404	0666;	4091	0666;
3405		4092
3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3407
3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3409	$DB_ENV->set_lk_detect;
3410	};	4094	};
3411		4095
3412	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
3413	};	4097	};
3414	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
3415	}	4109	}
3416		4110
3417	{	4111	{
		4112	# configure IO::AIO
		4113
3418	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
3419
3420	undef $Coro::AIO::WATCHER;
3421	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
3422	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
3423	reentrant => 0,
3424	data => WF_AUTOCANCEL,
3425	fd => IO::AIO::poll_fileno,
3426	poll => 'r',
3427	prio => 6,
3428	cb => \&IO::AIO::poll_cb,
3429	);
3430	}	4117	}
3431		4118
3432	my $_log_backtrace;	4119	my $_log_backtrace;
3433		4120
3434	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
3437	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
3438		4125
3439	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
3440	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
3441	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
3442	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3443	my @bt = fork_call {	4133	my @bt = fork_call {
3444	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3447	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3455	}	4145	}
3456		4146
3457	@funcs	4147	@funcs
3458	};	4148	};
3459		4149
3460	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3461	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3462	--$_log_backtrace;	4153	--$_log_backtrace;
3463	};	4154	};
3464	} else {	4155	} else {
3465	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3466	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3467	}	4158	}
3468	}	4159	}
3469		4160
3470	# load additional modules	4161	# load additional modules
3471	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3472		4164
3473	END { cf::emergency_save }	4165	END { cf::emergency_save }
3474		4166
3475	1	4167	1
3476		4168

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