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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 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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
51		80
52	our %COMMAND = ();	81	our %COMMAND = ();
53	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	85	our %EXTCMD = ();
57	our %EXTICMD = ();	86	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
60		89
61	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
63		94
64	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	96	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
75		116
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	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	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	119	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
86		128
87	our %CFG;	129	our %CFG;
88		130
89	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
91		134
92	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
95		138
96	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		141
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
102		151
103	binmode STDOUT;	152	binmode STDOUT;
104	binmode STDERR;	153	binmode STDERR;
105		154
106	# read virtual server time, if available	155	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
111	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
112		163
113	mkdir $_	164	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		166
116	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
117		168
118	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		185
120	#############################################################################	186	#############################################################################
121		187
122	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
123		189
…		…
159		225
160	The raw value load value from the last tick.	226	The raw value load value from the last tick.
161		227
162	=item %cf::CFG	228	=item %cf::CFG
163		229
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	231	from wherever your confdir points to.
166		232
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		234
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	236	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		238
173	=item @cf::INVOKE_RESULTS	239	=item @cf::INVOKE_RESULTS
174		240
175	This array contains the results of the last C<invoke ()> call. When	241	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	242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	243	that call.
178		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
179	=back	251	=back
180		252
181	=cut	253	=cut
182		254
183	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	262	my $msg = join "", @_;
186		263
187	$msg .= "\n"	264	$msg .= "\n"
188	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
189		266
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		268
192	utf8::encode $msg;
193	LOG llevError, $msg;	269	LOG llevWarn, $msg;
194	};	270	};
195	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
196		285
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	296	for my $pkg (qw(
208	cf::global cf::attachable	297	cf::global cf::attachable
209	cf::object cf::object::player	298	cf::object cf::object::player
210	cf::client cf::player	299	cf::client cf::player
211	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
212	cf::map cf::party cf::region	302	cf::party cf::region
213	)) {	303	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	305	}
217		306
218	$Event::DIED = sub {	307	$EV::DIED = sub {
219	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
220	};	309	};
221		310
222	#############################################################################	311	#############################################################################
223		312
224	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	336	$d
248	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
249	}	338	}
250		339
251	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
252		341
253	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
254		343
255	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
256		345
257	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
258		347
259	=cut	348	=cut
260		349
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		351
263	sub to_json ($) { $json_coder->encode ($_[0]) }	352	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
265		368
266	=item cf::lock_wait $string	369	=item cf::lock_wait $string
267		370
268	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
269		372
270	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
271		374
272	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
275	returned.	378	returned.
276		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
277	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
279		385
280	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
281		387
282	Return true if the lock is currently active, i.e. somebody has locked it.	388	Return true if the lock is currently active, i.e. somebody has locked it.
283		389
284	=cut	390	=cut
285		391
286	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
287		393
288	sub lock_wait($) {	394	sub lock_wait($) {
289	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	396	}
297		397
298	sub lock_acquire($) {	398	sub lock_acquire($) {
299	my ($key) = @_;	399	$LOCKS->guard ($_[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	}	400	}
311		401
312	sub lock_active($) {	402	sub lock_active($) {
313	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	404	}
317		405
318	sub freeze_mainloop {	406	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
320		408
321	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	410	}
323	};	411
324	$TICK_WATCHER->stop;	412	=item cf::periodic $interval, $cb
325	$guard	413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
326	}	425	}
327		426
328	=item cf::get_slot $time[, $priority[, $name]]	427	=item cf::get_slot $time[, $priority[, $name]]
329		428
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		437
339	=cut	438	=cut
340		439
341	our @SLOT_QUEUE;	440	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
343		443
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
346	my $signal = new Coro::Signal;	448	my $signal = new Coro::Signal;
		449	my $busy;
347		450
348	while () {	451	while () {
349	next_job:	452	next_job:
		453
350	my $avail = cf::till_tick;	454	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	455
352	for (0 .. $#SLOT_QUEUE) {	456	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	459	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	460	$job->[2]->send;
356	Coro::cede;	461	Coro::cede;
357	goto next_job;	462	goto next_job;
358	}	463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	465	}
360	}	466	}
361		467
362	if (@SLOT_QUEUE) {	468	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	470	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	471	$signal->wait;
366	} else {	472	} else {
		473	$busy = 0;
367	Coro::schedule;	474	Coro::schedule;
368	}	475	}
369	}	476	}
370	};	477	};
371		478
372	sub get_slot($;$$) {	479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
373	my ($time, $pri, $name) = @_;	482	my ($time, $pri, $name) = @_;
374		483
375	$time = $TICK * .6 if $time > $TICK * .6;	484	$time = clamp $time, 0.01, $TICK * .6;
		485
376	my $sig = new Coro::Signal;	486	my $sig = new Coro::Signal;
377		487
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	490	$SLOT_QUEUE->ready;
…		…
391		501
392	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
393		503
394	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
395		505
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	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	507	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	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	509	acceptable.
400		510
401	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	516	=cut
407		517
408	sub sync_job(&) {	518	sub sync_job(&) {
409	my ($job) = @_;	519	my ($job) = @_;
410		520
411	if ($Coro::current == $Coro::main) {	521	if (in_main) {
412	my $time = Event::time;	522	my $time = AE::time;
413		523
414	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
416		526
417	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	528
419	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
420		530
421	my $busy = 1;	531	my $busy = 1;
422	my @res;	532	my @res;
423		533
424	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	536	@res = eval { $job->() };
426	warn $@ if $@;	537	error $@ if $@;
427	undef $busy;	538	undef $busy;
428	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
429		540
430	while ($busy) {	541	while ($busy) {
431	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
432	}	546	}
		547	}
433		548
434	$time = Event::time - $time;	549	my $time = AE::time - $time;
435		550
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	551	$TICK_START += $time; # do not account sync jobs to server load
440		552
441	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
442	} else {	554	} else {
443	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
444		556
…		…
469	=item fork_call { }, $args	581	=item fork_call { }, $args
470		582
471	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
475		587
476	=cut	588	=cut
477		589
478	sub fork_call(&@) {	590	sub fork_call(&@) {
479	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
480		592
481	# we seemingly have to make a local copy of the whole thing,	593	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	594	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	595	# TODO: investigate and fix (likely this will be rather laborious)
484		596
485	my @res = Coro::Util::fork_eval {	597	my @res = Coro::Util::fork_eval {
486	reset_signals;	598	reset_signals;
487	&$cb	599	&$cb
488	}, @args;	600	}, @args;
489		601
490	wantarray ? @res : $res[-1]	602	wantarray ? @res : $res[-1]
491	}	603	}
492		604
		605	sub objinfo {
		606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
493	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
494		644
495	Returns a single value from the environment database.	645	Returns a single value from the environment database.
496		646
497	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
498		648
499	Stores the given C<$value> in the family. It can currently store binary	649	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
502	=cut	657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
503		678
504	our $DB;	679	our $DB;
505		680
506	sub db_init {	681	sub db_init {
507	unless ($DB) {	682	$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	}	683	}
522		684
523	sub db_get($$) {	685	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
525		687
526	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
527	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
528		692
529	$! ? ()	693	$! ? ()
530	: $data	694	: $data
531	}
532	}	695	}
533		696
534	sub db_put($$$) {	697	sub db_put($$$) {
535	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	738	if (1) {
576	$md5 =	739	$md5 =
577	join "\x00",	740	join "\x00",
578	$processversion,	741	$processversion,
579	map {	742	map {
580	Coro::cede;	743	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	745	} 0.. $#$src;
583		746
584		747
585	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		755
593	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	757	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
596		759
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		761
599	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
602		765
…		…
612		775
613	=cut	776	=cut
614		777
615	sub datalog($@) {	778	sub datalog($@) {
616	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	781	}
619		782
620	=back	783	=back
621		784
622	=cut	785	=cut
623		786
624	#############################################################################	787	#############################################################################
625		788
626	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
627		790
628	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
631		794
632	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	797	Deliantra).
635		798
636	=over 4	799	=over 4
637		800
638	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
639		802
…		…
683	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
684		847
685	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
687		850
688	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
690		853
691	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
692		855
693	=over 4	856	=over 4
…		…
817		980
818	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		983
821	} elsif (ref $type) {	984	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
823		986
824	} else {	987	} else {
825	shift @arg;	988	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
827	}	990	}
828	}	991	}
829	}	992	}
830		993
831	sub _object_attach {	994	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
842	}	1005	}
843		1006
844	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
845	} else {	1008	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1010	}
848		1011
849	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
850	}	1013	}
851		1014
…		…
910		1073
911	for (@$callbacks) {	1074	for (@$callbacks) {
912	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
913		1076
914	if ($@) {	1077	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1079	override;
918	}	1080	}
919		1081
920	return 1 if $override;	1082	return 1 if $override;
921	}	1083	}
922		1084
923	0	1085	0
924	}	1086	}
925		1087
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1089
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1091
930	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
931		1093
…		…
937		1099
938	=cut	1100	=cut
939		1101
940	#############################################################################	1102	#############################################################################
941	# object support	1103	# object support
942	#
943		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
944	sub _can_merge {	1138	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1139	my ($ob1, $ob2) = @_;
946		1140
947	local $Storable::canonical = 1;	1141	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1142
951	$fob1 eq $fob2	1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
952	}	1145	}
953		1146
954	sub reattach {	1147	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1149	my ($obj) = @_;
957		1150
		1151	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1153
960	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
961		1155
962	@$registry = ();	1156	@$registry = ();
963		1157
…		…
968	for (@$attach) {	1162	for (@$attach) {
969	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
971	}	1165	}
972	} else {	1166	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1168	}
975	}	1169	}
976	}	1170	}
977		1171
978	cf::attachable->attach (	1172	cf::attachable->attach (
979	prio => -1000000,	1173	prio => -1000000,
980	on_instantiate => sub {	1174	on_instantiate => sub {
981	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
982		1176
983	$data = from_json $data;	1177	$data = decode_json $data;
984		1178
985	for (@$data) {	1179	for (@$data) {
986	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
987		1181
988	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1198	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
1006		1200
1007	sync_job {	1201	sync_job {
1008	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
1011		1207
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
1016	close $fh;	1215	aio_close $fh;
1017		1216
1018	if (@$objs) {	1217	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
1024	close $fh;	1226	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1228	}
1027	} else {	1229	} else {
1028	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
1029	}	1231	}
1030		1232
1031	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1237	} else {
1033	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1034	}	1239	}
1035	} else {	1240	} else {
1036	aio_unlink $filename;	1241	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1038	}	1243	}
1039	}	1244	};
1040	}	1245	}
1041		1246
1042	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1044		1249
…		…
1056	or return;	1261	or return;
1057		1262
1058	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1265	or return;
		1266
1061	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1062	}	1269	}
1063		1270
		1271	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1066	return ($data, $av);	1276	($data, $av)
1067	}	1277	}
1068		1278
1069	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1070		1280
1071	=over 4	1281	=over 4
…		…
1125	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1126		1336
1127	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1128	}	1338	}
1129		1339
		1340	use File::Glob ();
		1341
1130	cf::player->attach (	1342	cf::player->attach (
1131	on_command => sub {	1343	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1133		1345
1134	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1135	or return;	1347	or return;
1136		1348
…		…
1149	my ($type, $reply, @payload) =	1361	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1362	"ARRAY" eq ref $msg
1151	? @$msg	1363	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1365
		1366	my @reply;
		1367
1154	if (my $cb = $EXTCMD{$type}) {	1368	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1369	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1160	} else {	1375	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1377	}
1163		1378
1164	cf::override;	1379	cf::override;
1165	},	1380	},
1166	);	1381	);
1167		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1168	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1169	cf::sync_job {	1399	cf::sync_job {
1170	my %todo;	1400	my %todo;
1171		1401
1172	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1403	next unless -r $path;
…		…
1191		1421
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1424
1195	$ext{source} =	1425	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1198	. $source	1428	. $source
1199	. "\n};\n1";	1429	. "\n};\n1";
1200		1430
1201	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1202	}	1432	}
1203		1433
		1434	my $pass = 0;
1204	my %done;	1435	my %done;
1205	while (%todo) {	1436	while (%todo) {
1206	my $progress;	1437	my $progress;
1207		1438
		1439	++$pass;
		1440
		1441	ext:
1208	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1444	next ext
1211	unless exists $done{$_};	1445	unless exists $done{$_};
1212	}	1446	}
1213		1447
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1449
1216	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1219		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1221	warn $msg;	1458
1222	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1460	delete $todo{$k};
1224	}	1461	} else {
1225		1462	$done{$k} = delete $todo{$k};
1226	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1227	}	1468	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1469	}
1233		1470
1234	skip:	1471	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
1237	}	1479	}
1238	};	1480	};
1239	}	1481	}
1240		1482
1241	#############################################################################	1483	#############################################################################
1242		1484
1243	=back	1485	=back
1244		1486
1245	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1246		1488
1247	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1248		1490
1249	=cut	1491	=cut
1250		1492
1251	package cf::player;	1493	package cf::player;
1252		1494
1253	use Coro::AIO;	1495	use Coro::AIO;
1254		1496
1255	=head3 cf::player	1497	=head3 cf::player
1256		1498
1257	=over 4	1499	=over 4
		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
1258		1514
1259	=item cf::player::find $login	1515	=item cf::player::find $login
1260		1516
1261	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1262		1518
…		…
1281		1537
1282	sub exists($) {	1538	sub exists($) {
1283	my ($login) = @_;	1539	my ($login) = @_;
1284		1540
1285	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1287	}	1543	}
1288		1544
1289	sub find($) {	1545	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1547	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1558
1303	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1306	}	1568	}
1307	}	1569	}
1308	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1309		1584
1310	sub save($) {	1585	sub save($) {
1311	my ($pl) = @_;	1586	my ($pl) = @_;
1312		1587
1313	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1319		1594
1320	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1322		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1323	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1324	Coro::cede;	1604	cf::cede_to_tick;
1325	}	1605	}
1326		1606
1327	sub new($) {	1607	sub new($) {
1328	my ($login) = @_;	1608	my ($login) = @_;
1329		1609
…		…
1358	my ($pl) = @_;	1638	my ($pl) = @_;
1359		1639
1360	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1361		1641
1362	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1644
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1369		1650
1370	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1688	or return [];
1408		1689
1409	my @logins;	1690	my @logins;
1410		1691
1411	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1415		1702
1416	utf8::decode $login;	1703	utf8::decode $login;
1417	push @logins, $login;	1704	push @logins, $login;
1418	}	1705	}
1419		1706
1420	\@logins	1707	\@logins
1421	}	1708	}
1422		1709
1423	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1424		1713
1425	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1426	player. May block.	1715	player. May block.
1427		1716
1428	=cut	1717	=cut
…		…
1446	}	1735	}
1447		1736
1448	\@paths	1737	\@paths
1449	}	1738	}
1450		1739
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1741
1453	Expand crossfire pod fragments into protocol xml.	1742	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		1743
1501	=item $player->ext_reply ($msgid, @msg)	1744	=item $player->ext_reply ($msgid, @msg)
1502		1745
1503	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1504		1747
1505	=cut	1748	=cut
1506		1749
1507	sub ext_reply($$@) {	1750	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1751	my ($self, $id, @msg) = @_;
1509		1752
1510	if ($self->ns->extcmd == 2) {	1753	$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	}	1754	}
1518		1755
1519	=item $player->ext_msg ($type, @msg)	1756	=item $player->ext_msg ($type, @msg)
1520		1757
1521	Sends an ext event to the client.	1758	Sends an ext event to the client.
…		…
1542		1779
1543	=cut	1780	=cut
1544		1781
1545	sub find_by_path($) {	1782	sub find_by_path($) {
1546	my ($path) = @_;	1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
1547		1786
1548	my ($match, $specificity);	1787	my ($match, $specificity);
1549		1788
1550	for my $region (list) {	1789	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1790	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1579		1818
1580	sub generate_random_map {	1819	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1582	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1825	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1605		1847
1606	sub register {	1848	sub register {
1607	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1850	my $pkg = caller;
1609		1851
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1853
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1855	}
1615		1856
1616	# also paths starting with '/'	1857	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1859
1619	sub thawer_merge {	1860	sub thawer_merge {
1620	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1621		1862
1622	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1708		1949
1709	# the temporary/swap location	1950	# the temporary/swap location
1710	sub save_path {	1951	sub save_path {
1711	my ($self) = @_;	1952	my ($self) = @_;
1712		1953
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1715	}	1956	}
1716		1957
1717	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1718	sub uniq_path {	1959	sub uniq_path {
1719	my ($self) = @_;	1960	my ($self) = @_;
1720		1961
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1963	"$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	}	1964	}
1733		1965
1734	sub decay_objects {	1966	sub decay_objects {
1735	my ($self) = @_;	1967	my ($self) = @_;
1736		1968
…		…
1749		1981
1750	sub load_header_from($) {	1982	sub load_header_from($) {
1751	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1752		1984
1753	utf8::encode $path;	1985	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1759		1994
1760	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1761		1996
1762	1	1997	1
1763	}	1998	}
…		…
1817	sub find {	2052	sub find {
1818	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1819		2054
1820	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1821		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2059
1824	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1827	or return;	2062	or return;
1828		2063
1829	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1830		2065
…		…
1832	or return;	2067	or return;
1833		2068
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1837	$map->reset;	2074	$map->reset;
1838	undef $guard;
1839	return find $path;	2075	return find $path;
1840	}	2076	}
1841		2077
1842	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1843	}	2079	}
1844	}	2080	}
1845		2081
1846	sub pre_load { }	2082	sub pre_load { }
1847	sub post_load { }	2083	#sub post_load { } # XS
1848		2084
1849	sub load {	2085	sub load {
1850	my ($self) = @_;	2086	my ($self) = @_;
1851		2087
1852	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1853		2089
1854	my $path = $self->{path};	2090	my $path = $self->{path};
1855		2091
1856	{	2092	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1858		2094
		2095	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2097
1861	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1862		2099
1863	$self->alloc;	2100	$self->alloc;
1864		2101
1865	$self->pre_load;	2102	$self->pre_load;
1866	Coro::cede;	2103	cf::cede_to_tick;
1867		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1869	or return;	2108	or return;
1870		2109
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1872	if delete $self->{load_original};	2111	if delete $self->{load_original};
1873		2112
1874	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2114	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2117	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1879	}	2121	}
1880	}	2122	}
1881		2123
1882	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1883	# now do the right thing for maps	2127	# now do the right thing for maps
1884	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2130	unless $self->difficulty;
1887	Coro::cede;	2131	cf::cede_to_tick;
1888		2132
1889	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2134	$self->decay_objects;
1891	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1892	$self->update_buttons;	2136	$self->update_buttons;
1893	Coro::cede;	2137	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2138	$self->activate;
1897	}	2139	}
1898		2140
1899	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2142	$self->last_access ($cf::RUNTIME);
1901		2143
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2145	}
1904		2146
1905	$self->post_load;	2147	$self->post_load;
1906	}	2148	}
1907		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2153	sub customise_for {
1909	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1910		2155
1911	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2157	if $self->per_player;
…		…
1928	or next;	2173	or next;
1929	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1930	or next;	2175	or next;
1931	$neigh->load;	2176	$neigh->load;
1932		2177
		2178	# now find the diagonal neighbours
1933	push @neigh,	2179	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}	2182	}
1937		2183
…		…
1944	}	2190	}
1945		2191
1946	sub find_sync {	2192	sub find_sync {
1947	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1948		2194
1949	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1950	}	2199	}
1951		2200
1952	sub do_load_sync {	2201	sub do_load_sync {
1953	my ($map) = @_;	2202	my ($map) = @_;
1954		2203
1955	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1956	}	2208	}
1957		2209
1958	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1960		2212
1961	sub find_async {	2213	sub find_async {
1962	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1963		2215
1964	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1965		2217
1966	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2220	}
1969		2221
1970	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1971	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1972	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2229	if (my $map = find $k) {
1975	$map->load;	2230	$map->load if $v;
1976	}	2231	}
1977		2232
1978	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1979	}	2234	}
1980	}	2235	}
1981	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1982	};	2237	};
1983	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1984		2239
1985	()	2240	()
1986	}	2241	}
1987		2242
		2243	# common code, used by both ->save and ->swapout
1988	sub save {	2244	sub _save {
1989	my ($self) = @_;	2245	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2246
1993	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1994		2248
1995	return unless $self->dirty;	2249	return unless $self->dirty;
1996		2250
…		…
2002	return if $self->{deny_save};	2256	return if $self->{deny_save};
2003		2257
2004	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
2005		2259
2006	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
2008	};	2263	};
		2264
		2265	cf::get_slot 0.02;
2009		2266
2010	if ($uniq) {	2267	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2270	} else {
2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015	}	2272	}
2016	}	2273	}
2017		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
2018	sub swap_out {	2283	sub swap_out {
2019	my ($self) = @_;	2284	my ($self) = @_;
2020		2285
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
2026	return if $self->players;	2290	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
2030	$self->clear;	2301	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2302	}
2033		2303
2034	sub reset_at {	2304	sub reset_at {
2035	my ($self) = @_;	2305	my ($self) = @_;
2036		2306
…		…
2054		2324
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2326
2057	return if $self->players;	2327	return if $self->players;
2058		2328
2059	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
2060		2330
2061	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
2062		2332
2063	# need to save uniques path	2333	# need to save uniques path
2064	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
2068	if $uniq;	2338	if $uniq;
2069	}	2339	}
2070		2340
2071	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
2072		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2345	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2346
2077	$self->unlink_save;	2347	$self->unlink_save;
2078	$self->destroy;	2348	$self->destroy;
2079	}	2349	}
2080		2350
2081	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
2082		2352
2083	sub nuke {	2353	sub nuke {
2084	my ($self) = @_;	2354	my ($self) = @_;
2085		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
2086	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
2087		2360
2088	$self->unlink_save;	2361	$self->unlink_save;
2089		2362
2090	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2368
2096	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
2097		2371
2098	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2099	}	2373	}
2100		2374
2101	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2143		2417
2144	sub unique_maps() {	2418	sub unique_maps() {
2145	[	2419	[
2146	map {	2420	map {
2147	utf8::decode $_;	2421	utf8::decode $_;
2148	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2149	? normalise $_	2425	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2427	]
2153	}	2428	}
2154		2429
2155	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
2156		2461
2157	=back	2462	=back
2158		2463
2159	=head3 cf::object	2464	=head3 cf::object
2160		2465
…		…
2164		2469
2165	=over 4	2470	=over 4
2166		2471
2167	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2168		2473
2169	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
2170		2476
2171	=cut	2477	=cut
2172		2478
2173	sub inv_recursive_;	2479	sub inv_recursive_;
2174	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2177		2483
2178	sub inv_recursive {	2484	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2180	}	2486	}
2181		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
2182	package cf;	2516	package cf;
2183		2517
2184	=back	2518	=back
2185		2519
2186	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2192	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
2194	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2195		2529
2196	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
2197		2545
2198	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2547	# with dialog boxes.
2200	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
2201	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2563
2216	} else {	2564	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2567	}
2220	}	2568	}
2221	}	2569	}
2222		2570
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2596
2249	=item $player_object->enter_link	2597	=item $player_object->enter_link
2250		2598
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2600
2253	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
2255		2605
2256	Will never block.	2606	Will never block.
2257		2607
2258	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2259		2609
…		…
2279	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2630	my ($self) = @_;
2281		2631
2282	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2283		2633
		2634	++$self->{_link_recursion};
		2635
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2637
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2288		2640
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2642	}
2291		2643
2292	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2294		2646
…		…
2311	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2313		2665
2314	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2317		2669
2318	$map->load;	2670	$map->load;
2319	$map->load_neighbours;	2671	$map->load_neighbours;
2320		2672
2321	return unless $self->contr->active;	2673	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2674
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2326	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2327		2682
		2683	}
		2684
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2686
2330	Moves the player to the given map-path and coordinates by first freezing	2687	Moves the player to the given map-path and coordinates by first freezing
2331	her, loading and preparing them map, calling the provided $check callback	2688	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	2689	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	2690	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2691	be called at the end of this process.
2335		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
2336	=cut	2696	=cut
2337		2697
2338	our $GOTOGEN;	2698	our $GOTOGEN;
2339		2699
2340	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
2343	# do generation counting so two concurrent goto's will be executed in-order	2709	# do generation counting so two concurrent goto's will be executed in-order
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2711
2346	$self->enter_link;	2712	$self->enter_link;
2347		2713
2348	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
2349	my $map = eval {	2736	my $map = eval {
2350	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2351		2738
2352	if ($map) {	2739	if ($map) {
2353	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2742	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2744	}
2358		2745
2359	$map	2746	$map
2360	};	2747	};
2361		2748
…		…
2367	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2370	}	2757	}
2371		2758
2372	$done->() if $done;	2759	$done->($self) if $done;
2373	})->prio (1);	2760	})->prio (1);
2374	}	2761	}
2375		2762
2376	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2377		2764
…		…
2397	}	2784	}
2398		2785
2399	sub prepare_random_map {	2786	sub prepare_random_map {
2400	my ($exit) = @_;	2787	my ($exit) = @_;
2401		2788
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2791	# that depends on the exit object
2407		2792
2408	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2795	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2415	}	2802	}
2416		2803
2417	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2418		2805
2419	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2422		2809
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2812	undef $fh;
2426	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2427		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2430	}	2821	}
2431	}	2822	}
2432		2823
2433	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2435		2826
2436	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2437		2828
2438	if ($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;	2829	$self->enter_link;
2450		2830
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 {	2831	(async {
2456	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2457	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
2458	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2459		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
2460	1;	2855	1
2461	}) {	2856	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2861
2467	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2863	$self->leave_link;
2469	}	2864	}
2470	})->prio (1);	2865	})->prio (1);
2471	}	2866	}
2472		2867
…		…
2484	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
2486		2881
2487	utf8::encode $text;	2882	utf8::encode $text;
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2884	}
		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
2489	}	2909	}
2490		2910
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2912
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2497		2917
2498	=cut	2918	=cut
2499		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
2500	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3036
2503	$msg = $self->pl->expand_cfpod ($msg);	3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
2504		3039
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
2507	if (ref $channel) {	3049	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3050	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3051	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3052	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3053	$self->ext_msg (channel_info => $channel);
2512	}	3054	}
…		…
2514	$channel = $channel->{id};	3056	$channel = $channel->{id};
2515	}	3057	}
2516		3058
2517	return unless @extra || length $msg;	3059	return unless @extra || length $msg;
2518		3060
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3061	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3063	if $color & cf::NDI_DEF;
2523		3064
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3068	);
2527	if ($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		3069
2538	$color &= cf::NDI_COLOR_MASK;	3070	$self->send_big_packet ($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	}	3071	}
2552		3072
2553	=item $client->ext_msg ($type, @msg)	3073	=item $client->ext_msg ($type, @msg)
2554		3074
2555	Sends an ext event to the client.	3075	Sends an ext event to the client.
…		…
2557	=cut	3077	=cut
2558		3078
2559	sub cf::client::ext_msg($$@) {	3079	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3080	my ($self, $type, @msg) = @_;
2561		3081
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {	3082	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove	3084	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";	3085	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}	3105	}
2570	}	3106	}
2571		3107
2572	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2573		3109
…		…
2634	my ($type, $reply, @payload) =	3170	my ($type, $reply, @payload) =
2635	"ARRAY" eq ref $msg	3171	"ARRAY" eq ref $msg
2636	? @$msg	3172	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3174
		3175	my @reply;
		3176
2639	if (my $cb = $EXTICMD{$type}) {	3177	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3178	@reply = $cb->($ns, @payload);
2641
2642	$ns->ext_reply ($reply, @reply)
2643	if $reply;
2644	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2645	} else {	3184	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3186	}
2648		3187
2649	cf::override;	3188	cf::override;
2650	},	3189	},
2651	);	3190	);
…		…
2671		3210
2672	$coro	3211	$coro
2673	}	3212	}
2674		3213
2675	cf::client->attach (	3214	cf::client->attach (
2676	on_destroy => sub {	3215	on_client_destroy => sub {
2677	my ($ns) = @_;	3216	my ($ns) = @_;
2678		3217
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3219	},
2681	);	3220	);
…		…
2697	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2698		3237
2699	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2700		3239
2701	$safe->permit_only (Opcode::opset qw(	3240	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3241	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3242	grepstart grepwhile mapstart mapwhile
2704	sort time	3243	sort time
2705	));	3244	));
2706		3245
2707	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
…		…
2709	=pod	3248	=pod
2710		3249
2711	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2712		3251
2713	cf::object	3252	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3253	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3254	insert remove name archname title slaying race decrease split
		3255	value
2716		3256
2717	cf::object::player	3257	cf::object::player
2718	player	3258	player
2719		3259
2720	cf::player	3260	cf::player
…		…
2725		3265
2726	=cut	3266	=cut
2727		3267
2728	for (	3268	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2734	) {	3275	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3278	for @funs;
2739	}	3279	}
2740		3280
…		…
2755		3295
2756	my $qcode = $code;	3296	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2759		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2760	local $_;	3303	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3304
2763	my $eval =	3305	my $eval =
2764	"do {\n"	3306	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3309	. $code
2768	. "\n}"	3310	. "\n}"
2769	;	3311	;
2770		3312
		3313	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2774		3322
2775	if ($@) {	3323	if ($@) {
2776	warn "$@";	3324	warn "$@",
2777	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2779	}	3327	}
2780		3328
2781	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2782	}	3330	}
2783		3331
…		…
2797	=cut	3345	=cut
2798		3346
2799	sub register_script_function {	3347	sub register_script_function {
2800	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2801		3349
2802	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2804	}	3352	}
2805		3353
2806	=back	3354	=back
2807		3355
2808	=cut	3356	=cut
…		…
2811	# the server's init and main functions	3359	# the server's init and main functions
2812		3360
2813	sub load_facedata($) {	3361	sub load_facedata($) {
2814	my ($path) = @_;	3362	my ($path) = @_;
2815		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
2816	my $enc = JSON::XS->new->utf8->canonical;	3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817		3369
2818	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2819		3371
2820	my $facedata;	3372	my $facedata;
2821	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2822	or die "$path: $!";	3374	or die "$path: $!";
2823		3375
…		…
2825		3377
2826	$facedata->{version} == 2	3378	$facedata->{version} == 2
2827	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2828		3380
2829	# patch in the exptable	3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2830	$facedata->{resource}{"res/exp_table"} = {	3383	$facedata->{resource}{"res/exp_table"} = {
2831	type => FT_RSRC,	3384	type => FT_RSRC,
2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
2833	};	3387	};
2834	cf::cede_to_tick;	3388	cf::cede_to_tick;
2835		3389
2836	{	3390	{
2837	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2838		3392
2839	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2841	cf::face::set_visibility $idx, $info->{visibility};	3396	cf::face::set_visibility $idx, $info->{visibility};
2842	cf::face::set_magicmap $idx, $info->{magicmap};	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2845		3400
2846	cf::cede_to_tick;	3401	cf::cede_to_tick;
2847	}	3402	}
2848		3403
2849	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2850	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2851	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2852	or next;	3408	or next;
		3409
2853	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
2854	cf::face::set_smooth $idx, $smooth;	3411	cf::face::set_smooth $idx, $smooth;
2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2856	} else {	3413	} else {
2857	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2858	}	3415	}
2859		3416
2860	cf::cede_to_tick;	3417	cf::cede_to_tick;
2861	}	3418	}
2862	}	3419	}
…		…
2871		3428
2872	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2873	}	3430	}
2874		3431
2875	{	3432	{
2876	# TODO: for gcfclient pleasure, we should give resources
2877	# that gcfclient doesn't grok a >10000 face index.
2878	my $res = $facedata->{resource};	3433	my $res = $facedata->{resource};
2879		3434
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881
2882	while (my ($name, $info) = each %$res) {	3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2884	my $data;
2885		3438
2886	if ($info->{type} & 1) {	3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2887	# prepend meta info	3440	cf::face::set_type $idx, $info->{type};
2888		3441	} else {
2889	my $meta = $enc->encode ({	3442	$RESOURCE{$name} = $info; # unused
2890	name => $name,
2891	%{ $info->{meta} || {} },
2892	});
2893
2894	$data = pack "(w/a*)*", $meta, $info->{data};
2895	}	3443	}
2896		3444
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;	3445	cf::cede_to_tick;
2901	}	3446	}
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	}	3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2921		3450
2922	1	3451	1
2923	}	3452	}
2924		3453
2925	register_exticmd fx_want => sub {	3454	register_exticmd fx_want => sub {
…		…
2928	while (my ($k, $v) = each %$want) {	3457	while (my ($k, $v) = each %$want) {
2929	$ns->fx_want ($k, $v);	3458	$ns->fx_want ($k, $v);
2930	}	3459	}
2931	};	3460	};
2932		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2933	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2934	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2935	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
2936		3479
2937	for (cf::region::list) {	3480	for (cf::region::list) {
2938	$_->{match} = qr/$_->{match}/	3481	$_->{match} = qr/$_->{match}/
…		…
2946	}	3489	}
2947		3490
2948	sub reload_archetypes {	3491	sub reload_archetypes {
2949	load_resource_file "$DATADIR/archetypes"	3492	load_resource_file "$DATADIR/archetypes"
2950	or die "unable to load archetypes\n";	3493	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	}	3494	}
2957		3495
2958	sub reload_treasures {	3496	sub reload_treasures {
2959	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2960	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2961	}	3499	}
2962		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
2963	sub reload_resources {	3524	sub reload_resources {
2964	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2965		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2966	reload_regions;	3530	reload_regions;
2967	reload_facedata;
2968	#reload_archetypes;#d#
2969	reload_archetypes;
2970	reload_treasures;	3531	reload_treasures;
2971		3532
2972	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2973	}	3534	}
2974		3535
2975	sub init {	3536	sub reload_config {
2976	reload_resources;	3537	trace "reloading config file...\n";
2977	}
2978		3538
2979	sub cfg_load {
2980	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2981	or return;	3540	or return;
2982		3541
2983	local $/;	3542	local $/;
2984	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2985		3544
2986	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2987		3546
2988	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2989	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2990		3549
2991	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2993	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2994	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2995	};	3554	};
2996	warn $@ if $@;	3555	warn $@ if $@;
2997	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2998	}	3587	}
2999		3588
3000	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
3001	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
3002	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3004	(async {	3602	(async {
3005	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
3006	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
3007	};	3606	};
3008		3607
3009	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
3010	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
3011	load_extensions;	3631	load_extensions;
3012		3632
3013	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
3014	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
3015	}	3646	}
3016		3647
3017	#############################################################################	3648	#############################################################################
3018	# initialisation and cleanup	3649	# initialisation and cleanup
3019		3650
3020	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
3021	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
3022	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
3023	Event->signal (	3655	$SIGWATCHER{$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";	3656	cf::cleanup "SIG$signal";
3030	},
3031	);	3657	};
3032	}	3658	}
3033	}	3659	}
3034		3660
3035	sub write_runtime {	3661	sub write_runtime_sync {
3036	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
3037		3663
3038	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
3039	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
3040		3666
3041	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3042		3668
3043	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
3044		3670
3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3046	or return;	3672	or return;
3047		3673
3048	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
3049	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
3050	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
3060	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
3061		3687
3062	close $fh	3688	close $fh
3063	or return;	3689	or return;
3064		3690
3065	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3066	and return;	3692	and return;
3067		3693
3068	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3069		3695
3070	1	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
3071	}	3747	}
3072		3748
3073	sub emergency_save() {	3749	sub emergency_save() {
3074	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
3075		3751
3076	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
3077		3758
3078	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
3079	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
3080	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
3081	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
3082	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
3083	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
3084	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
3085	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3086	$pl->save;	3770	$pl->save;
3087	}	3771	}
3088	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
3089		3773
3090	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
3091	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
3092	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
3093	$map->valid or next;	3779	$map->valid or next;
3094	$map->save;	3780	$map->save;
3095	}	3781	}
3096	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
3097		3783
3098	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
3099	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
3100	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
3101	};	3812	};
3102		3813
3103	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
3104	}	3815	}
3105		3816
3106	sub post_cleanup {	3817	sub post_cleanup {
3107	my ($make_core) = @_;	3818	my ($make_core) = @_;
3108		3819
		3820	IO::AIO::flush;
		3821
3109	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
3110	if $make_core;	3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
3111	}	3852	}
3112		3853
3113	sub do_reload_perl() {	3854	sub do_reload_perl() {
3114	# can/must only be called in main	3855	# can/must only be called in main
3115	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
3116	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
3117	return;	3858	return;
3118	}	3859	}
3119		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
3120	warn "reloading...";	3866	info "reloading...";
3121		3867
3122	warn "entering sync_job";	3868	trace "entering sync_job";
3123		3869
3124	cf::sync_job {	3870	cf::sync_job {
3125	cf::write_runtime; # external watchdog should not bark
3126	cf::emergency_save;	3871	cf::emergency_save;
3127	cf::write_runtime; # external watchdog should not bark
3128		3872
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";	3873	trace "cancelling all extension coros";
3151	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
3152	%EXT_CORO = ();	3875	%EXT_CORO = ();
3153		3876
3154	warn "removing commands";	3877	trace "removing commands";
3155	%COMMAND = ();	3878	%COMMAND = ();
3156		3879
3157	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
3158	%EXTCMD = ();	3881	%EXTCMD = ();
3159	%EXTICMD = ();	3882	%EXTICMD = ();
3160		3883
3161	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
3162	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
3163	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
3164		3887
3165	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
3166	eval {	3889	eval {
3167	$cb->($pkg);	3890	$cb->($pkg);
3168	1	3891	1
3169	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
3170	}	3897	}
3171		3898
3172	warn "... nuking $pkg";
3173	Symbol::delete_package $pkg;
3174	}
3175
3176	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
3177	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3179		3902
3180	warn "... unloading $k";	3903	trace "... unloading $k";
3181	delete $INC{$k};	3904	delete $INC{$k};
3182		3905
3183	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
3184	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
3185		3908
3186	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
3187	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
3188	}	3914	}
3189		3915
3190	Symbol::delete_package $k;
3191	}
3192
3193	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
3194	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3196		3919
3197	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
3198	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
3199	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3200		3923
3201	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
3202	# and global variables created in xs	3925	# and global variables created in xs
3203	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
3204		3927
3205	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
3206		3929
3207	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
3208	require cf;	3931	require cf;
3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
3210		3933
3211	warn "loading config and database again";	3934	trace "loading config and database again";
3212	cf::cfg_load;	3935	cf::reload_config;
3213		3936
3214	warn "loading extensions";	3937	trace "loading extensions";
3215	cf::load_extensions;	3938	cf::load_extensions;
3216		3939
		3940	if ($REATTACH_ON_RELOAD) {
3217	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
3218	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
3219	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
3220	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
3221	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
3222	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
3223		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
3224	warn "leaving sync_job";	3952	trace "leaving sync_job";
3225		3953
3226	1	3954	1
3227	} or do {	3955	} or do {
3228	warn $@;	3956	error $@;
3229	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
3230	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
3231	};	3962	}
3232		3963
3233	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
3234	};	3966	};
3235		3967
3236	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
3237		3969
3238	sub reload_perl() {	3970	sub reload_perl() {
3239	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
3240	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3241		3973
3242	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3243	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3244	after => 0,	3976
3245	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3246	cb => sub {
3247	do_reload_perl;	3978	do_reload_perl;
3248	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3249	},	3980	};
3250	);	3981	};
3251	}	3982	}
3252		3983
3253	register_command "reload" => sub {	3984	register_command "reload" => sub {
3254	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3255		3986
3256	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3257	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3258	async { reload_perl };	3991	reload_perl;
		3992	};
3259	}	3993	}
3260	};	3994	};
3261		3995
3262	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3263		3997
…		…
3265		3999
3266	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3267	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3268		4002
3269	sub wait_for_tick {	4003	sub wait_for_tick {
3270	return unless $TICK_WATCHER->is_active;
3271	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272		4005
3273	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3275	$signal->wait;	4008	$signal->wait;
3276	}	4009	}
3277		4010
3278	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3279	return unless $TICK_WATCHER->is_active;
3280	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3281		4013
3282	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3283	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3284	$signal->wait;	4016	$signal->wait;
3285	}	4017	}
3286		4018
3287	my $min = 1e6;#d#	4019	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 != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3298	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3299	return;	4023	return;
3300	}	4024	}
3301		4025
3302	$NOW = $tick_start = Event::time;
3303
3304	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3305		4027
3306	0 && sync_job {#d#	4028	#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		4029
3312	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3313	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3314	$map->alloc;	4032	Coro::async_pool {
3315	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3316	my $t = Event::time - $t;	4034	write_runtime_sync
3317		4035	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	};	4036	};
		4037	}
3328		4038
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) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3344	$sig->send;	4040	$sig->send;
3345	}	4041	}
3346	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3347	$sig->send;	4043	$sig->send;
3348	}	4044	}
3349		4045
3350	$NOW = Event::time;	4046	$LOAD = ($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;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3360		4048
3361	_post_tick;	4049	if (0) {
3362		4050	if ($NEXT_TICK) {
3363		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3364	},	4055	}
3365	);	4056	}
3366		4057
3367	{	4058	{
3368	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3369	$BDB_POLL_WATCHER = Event->io (	4060
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;	4061	BDB::min_parallel 16;
3378		4062	BDB::max_poll_reqs $TICK * 0.1;
3379	BDB::set_sync_prepare {	4063	$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	$! = $status;
3390	},
3391	)
3392	};
3393		4064
3394	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3395	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3396		4072
3397	cf::sync_job {	4073	cf::sync_job {
3398	eval {	4074	eval {
3399	BDB::db_env_open	4075	BDB::db_env_open
3400	$DB_ENV,	4076	$DB_ENV,
…		…
3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3404	0666;	4080	0666;
3405		4081
3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($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	};	4083	};
3411		4084
3412	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3413	};	4086	};
3414	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
3415	}	4098	}
3416		4099
3417	{	4100	{
		4101	# configure IO::AIO
		4102
3418	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3419
3420	undef $Coro::AIO::WATCHER;
3421	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3422	$AIO_POLL_WATCHER = Event->io (	4105	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	}	4106	}
3431		4107
3432	my $_log_backtrace;	4108	my $_log_backtrace;
3433		4109
3434	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3437	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3438		4114
3439	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3440	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3441	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3442	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3443	my @bt = fork_call {	4122	my @bt = fork_call {
3444	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3447	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3455	}	4134	}
3456		4135
3457	@funcs	4136	@funcs
3458	};	4137	};
3459		4138
3460	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3461	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3462	--$_log_backtrace;	4142	--$_log_backtrace;
3463	};	4143	};
3464	} else {	4144	} else {
3465	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3466	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3467	}	4147	}
3468	}	4148	}
3469		4149
3470	# load additional modules	4150	# load additional modules
3471	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3472		4153
3473	END { cf::emergency_save }	4154	END { cf::emergency_save }
3474		4155
3475	1	4156	1
3476		4157

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