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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		80
49	our %COMMAND = ();	81	our %COMMAND = ();
50	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
51		83
52	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
56		89
57	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
59		94
60	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	96	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		116
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	119	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
82		128
83	our %CFG;	129	our %CFG;
84		130
85	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
87		134
88	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
91		138
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		141
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		151
99	binmode STDOUT;	152	binmode STDOUT;
100	binmode STDERR;	153	binmode STDERR;
101		154
102	# read virtual server time, if available	155	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
107	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
108		163
109	mkdir $_	164	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		166
112	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
113		168
114	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::"} };
115		185
116	#############################################################################	186	#############################################################################
117		187
118	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
119		189
…		…
155		225
156	The raw value load value from the last tick.	226	The raw value load value from the last tick.
157		227
158	=item %cf::CFG	228	=item %cf::CFG
159		229
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	231	from wherever your confdir points to.
162		232
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		234
165	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
166	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
167	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.
168		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
169	=back	251	=back
170		252
171	=cut	253	=cut
172		254
173	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	262	my $msg = join "", @_;
176		263
177	$msg .= "\n"	264	$msg .= "\n"
178	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
179		266
180	$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;
181		268
182	utf8::encode $msg;
183	LOG llevError, $msg;	269	LOG llevWarn, $msg;
184	};	270	};
185	}	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	};
186		285
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	296	for my $pkg (qw(
198	cf::global cf::attachable	297	cf::global cf::attachable
199	cf::object cf::object::player	298	cf::object cf::object::player
200	cf::client cf::player	299	cf::client cf::player
201	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
202	cf::map cf::party cf::region	302	cf::party cf::region
203	)) {	303	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	305	}
207		306
208	$Event::DIED = sub {	307	$EV::DIED = sub {
209	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
210	};	309	};
211		310
212	#############################################################################	311	#############################################################################
213		312
214	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	336	$d
238	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
239	}	338	}
240		339
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
244		341
245	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
246		343
247	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
248		345
249	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
250		347
		348	=cut
		349
		350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		351
		352	sub encode_json($) { $json_coder->encode ($_[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	}
		368
251	=item cf::lock_wait $string	369	=item cf::lock_wait $string
252		370
253	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
254		372
255	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
256		374
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
260	returned.	378	returned.
261		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
262	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
263	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
264		385
265	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
266		387
267	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.
268		389
269	=cut	390	=cut
270		391
271	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
272		393
273	sub lock_wait($) {	394	sub lock_wait($) {
274	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	396	}
282		397
283	sub lock_acquire($) {	398	sub lock_acquire($) {
284	my ($key) = @_;	399	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	400	}
296		401
297	sub lock_active($) {	402	sub lock_active($) {
298	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	404	}
302		405
303	sub freeze_mainloop {	406	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
305		408
306	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
308	};	476	}
309	$TICK_WATCHER->stop;	477	};
310	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
311	}	492	}
312		493
313	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
314		495
315	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		501
321	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
322		503
323	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
324		505
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	507	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	509	acceptable.
329		510
330	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	516	=cut
336		517
337	sub sync_job(&) {	518	sub sync_job(&) {
338	my ($job) = @_;	519	my ($job) = @_;
339		520
340	if ($Coro::current == $Coro::main) {	521	if (in_main) {
341	my $time = Event::time;	522	my $time = AE::time;
342		523
343	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
345		526
346	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	528
348	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
349		530
350	my $busy = 1;	531	my $busy = 1;
351	my @res;	532	my @res;
352		533
353	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	536	@res = eval { $job->() };
355	warn $@ if $@;	537	error $@ if $@;
356	undef $busy;	538	undef $busy;
357	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
358		540
359	while ($busy) {	541	while ($busy) {
360	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
361	}	546	}
		547	}
362		548
363	$time = Event::time - $time;	549	my $time = AE::time - $time;
364		550
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	551	$TICK_START += $time; # do not account sync jobs to server load
369		552
370	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
371	} else {	554	} else {
372	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
373		556
…		…
398	=item fork_call { }, $args	581	=item fork_call { }, $args
399		582
400	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
404		587
405	=cut	588	=cut
406		589
407	sub fork_call(&@) {	590	sub fork_call(&@) {
408	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
409		592
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	593	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	594	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	595	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		596
415	if (my $pid = fork) {	597	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	598	reset_signals;
428	local $SIG{__WARN__};	599	&$cb
429	local $SIG{__DIE__};	600	}, @args;
430	eval {
431	close $fh1;
432		601
433	my @res = eval { $cb->(@args) };	602	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	603	}
435	};
436		604
437	warn $@ if $@;	605	sub objinfo {
438	_exit 0;
439	}	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
440	}	641	}
441		642
442	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
443		644
444	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
447		648
448	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
449	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).
450		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
451	=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	}
452		678
453	our $DB;	679	our $DB;
454		680
455	sub db_init {	681	sub db_init {
456	unless ($DB) {	682	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	683	}
471		684
472	sub db_get($$) {	685	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
474		687
475	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
476	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
477		692
478	$! ? ()	693	$! ? ()
479	: $data	694	: $data
480	}
481	}	695	}
482		696
483	sub db_put($$$) {	697	sub db_put($$$) {
484	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	738	if (1) {
525	$md5 =	739	$md5 =
526	join "\x00",	740	join "\x00",
527	$processversion,	741	$processversion,
528	map {	742	map {
529	Coro::cede;	743	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	745	} 0.. $#$src;
532		746
533		747
534	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		755
542	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	757	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
545		759
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		761
548	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
551		765
…		…
561		775
562	=cut	776	=cut
563		777
564	sub datalog($@) {	778	sub datalog($@) {
565	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	781	}
568		782
569	=back	783	=back
570		784
571	=cut	785	=cut
572		786
573	#############################################################################	787	#############################################################################
574		788
575	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
576		790
577	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
578	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")
579	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
580		794
581	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>
582	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
583	Crossfire TRT).	797	Deliantra).
584		798
585	=over 4	799	=over 4
586		800
587	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
588		802
…		…
632	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
633		847
634	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
635	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
636		850
637	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		853
640	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
641		855
642	=over 4	856	=over 4
…		…
766		980
767	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		983
770	} elsif (ref $type) {	984	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
772		986
773	} else {	987	} else {
774	shift @arg;	988	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
776	}	990	}
777	}	991	}
778	}	992	}
779		993
780	sub _object_attach {	994	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
791	}	1005	}
792		1006
793	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
794	} else {	1008	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1010	}
797		1011
798	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
799	}	1013	}
800		1014
…		…
840	";	1054	";
841	die if $@;	1055	die if $@;
842	}	1056	}
843		1057
844	our $override;	1058	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1060
847	sub override {	1061	sub override {
848	$override = 1;	1062	$override = 1;
849	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
850	}	1064	}
851		1065
852	sub do_invoke {	1066	sub do_invoke {
853	my $event = shift;	1067	my $event = shift;
854	my $callbacks = shift;	1068	my $callbacks = shift;
855		1069
856	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
857		1071
858	local $override;	1072	local $override;
859		1073
860	for (@$callbacks) {	1074	for (@$callbacks) {
861	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
862		1076
863	if ($@) {	1077	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1079	override;
867	}	1080	}
868		1081
869	return 1 if $override;	1082	return 1 if $override;
870	}	1083	}
871		1084
872	0	1085	0
873	}	1086	}
874		1087
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1089
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1091
879	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
880		1093
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1097
885	=back	1098	=back
886		1099
887	=cut	1100	=cut
888		1101
889	#############################################################################	1102	#############################################################################
890	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
891		1146
892	sub reattach {	1147	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1149	my ($obj) = @_;
895		1150
		1151	# no longer needed after getting rid of delete_package?
896	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
897		1153
898	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
899		1155
900	@$registry = ();	1156	@$registry = ();
901		1157
…		…
906	for (@$attach) {	1162	for (@$attach) {
907	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
909	}	1165	}
910	} else {	1166	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1168	}
913	}	1169	}
914	}	1170	}
915		1171
916	cf::attachable->attach (	1172	cf::attachable->attach (
917	prio => -1000000,	1173	prio => -1000000,
918	on_instantiate => sub {	1174	on_instantiate => sub {
919	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
920		1176
921	$data = from_json $data;	1177	$data = decode_json $data;
922		1178
923	for (@$data) {	1179	for (@$data) {
924	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
925		1181
926	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1198	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
944		1200
945	sync_job {	1201	sync_job {
946	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
949		1207
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1215	aio_close $fh;
955		1216
956	if (@$objs) {	1217	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1226	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
964	}	1228	}
965	} else {	1229	} else {
966	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
967	}	1231	}
968		1232
969	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1237	} else {
971	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
972	}	1239	}
973	} else {	1240	} else {
974	aio_unlink $filename;	1241	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
976	}	1243	}
977	}	1244	};
978	}	1245	}
979		1246
980	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
982		1249
…		…
994	or return;	1261	or return;
995		1262
996	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
998	or return;	1265	or return;
		1266
999	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1000	}	1269	}
1001		1270
		1271	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1004	return ($data, $av);	1276	($data, $av)
1005	}	1277	}
1006		1278
1007	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1008		1280
1009	=over 4	1281	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1302	}
1031		1303
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1305
1034	Register a callback fro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
1035		1311
1036	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
1037	called.	1313	called.
1038		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
1039	=cut	1326	=cut
1040		1327
1041	sub register_extcmd {	1328	sub register_extcmd {
1042	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
1043		1330
1044	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
1045	}	1332	}
1046		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
1047	cf::player->attach (	1342	cf::player->attach (
1048	on_command => sub {	1343	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1050		1345
1051	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1052	or return;	1347	or return;
1053		1348
…		…
1058	cf::override;	1353	cf::override;
1059	},	1354	},
1060	on_extcmd => sub {	1355	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1062		1357
1063	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1359
1065	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1071	} else {	1375	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1377	}
1074		1378
1075	cf::override;	1379	cf::override;
1076	},	1380	},
1077	);	1381	);
1078		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
1079	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1080	cf::sync_job {	1399	cf::sync_job {
1081	my %todo;	1400	my %todo;
1082		1401
1083	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1403	next unless -r $path;
…		…
1102		1421
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1424
1106	$ext{source} =	1425	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1109	. $source	1428	. $source
1110	. "\n};\n1";	1429	. "\n};\n1";
1111		1430
1112	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1113	}	1432	}
1114		1433
		1434	my $pass = 0;
1115	my %done;	1435	my %done;
1116	while (%todo) {	1436	while (%todo) {
1117	my $progress;	1437	my $progress;
1118		1438
		1439	++$pass;
		1440
		1441	ext:
1119	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1444	next ext
1122	unless exists $done{$_};	1445	unless exists $done{$_};
1123	}	1446	}
1124		1447
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1449
1127	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1130		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1132	warn $msg;	1458
1133	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1460	delete $todo{$k};
1135	}	1461	} else {
1136		1462	$done{$k} = delete $todo{$k};
1137	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1138	}	1468	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1469	}
1144		1470
1145	skip:	1471	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1479	}
1149	};	1480	};
1150	}	1481	}
1151		1482
1152	#############################################################################	1483	#############################################################################
1153		1484
1154	=back	1485	=back
1155		1486
1156	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1157		1488
1158	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1159		1490
1160	=cut	1491	=cut
1161		1492
1162	package cf::player;	1493	package cf::player;
1163		1494
1164	use Coro::AIO;	1495	use Coro::AIO;
1165		1496
1166	=head3 cf::player	1497	=head3 cf::player
1167		1498
1168	=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	}
1169		1514
1170	=item cf::player::find $login	1515	=item cf::player::find $login
1171		1516
1172	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1173		1518
…		…
1192		1537
1193	sub exists($) {	1538	sub exists($) {
1194	my ($login) = @_;	1539	my ($login) = @_;
1195		1540
1196	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1198	}	1543	}
1199		1544
1200	sub find($) {	1545	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1547	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1558
1214	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1217	}	1568	}
1218	}	1569	}
1219	}	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	);
1220		1584
1221	sub save($) {	1585	sub save($) {
1222	my ($pl) = @_;	1586	my ($pl) = @_;
1223		1587
1224	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1230		1594
1231	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1235	Coro::cede;	1604	cf::cede_to_tick;
1236	}	1605	}
1237		1606
1238	sub new($) {	1607	sub new($) {
1239	my ($login) = @_;	1608	my ($login) = @_;
1240		1609
…		…
1246	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1247		1616
1248	$self	1617	$self
1249	}	1618	}
1250		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1251	=item $pl->quit_character	1630	=item $pl->quit_character
1252		1631
1253	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1255		1634
…		…
1259	my ($pl) = @_;	1638	my ($pl) = @_;
1260		1639
1261	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1262		1641
1263	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1264	$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
1265		1644
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1270		1650
1271	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1688	or return [];
1309		1689
1310	my @logins;	1690	my @logins;
1311		1691
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1316		1702
1317	utf8::decode $login;	1703	utf8::decode $login;
1318	push @logins, $login;	1704	push @logins, $login;
1319	}	1705	}
1320		1706
1321	\@logins	1707	\@logins
1322	}	1708	}
1323		1709
1324	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1325		1713
1326	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1327	player. May block.	1715	player. May block.
1328		1716
1329	=cut	1717	=cut
…		…
1347	}	1735	}
1348		1736
1349	\@paths	1737	\@paths
1350	}	1738	}
1351		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1352	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1353		1745
1354	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1355		1747
1356	=cut	1748	=cut
1357		1749
1358	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1360		1752
1361	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1754	}
1365		1755
1366	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1367		1757
1368	Sends an ext event to the client.	1758	Sends an ext event to the client.
1369		1759
1370	=cut	1760	=cut
1371		1761
1372	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1374		1764
1375	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1376	}	1766	}
1377		1767
1378	=head3 cf::region	1768	=head3 cf::region
1379		1769
1380	=over 4	1770	=over 4
…		…
1390	=cut	1780	=cut
1391		1781
1392	sub find_by_path($) {	1782	sub find_by_path($) {
1393	my ($path) = @_;	1783	my ($path) = @_;
1394		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1395	my ($match, $specificity);	1787	my ($match, $specificity);
1396		1788
1397	for my $region (list) {	1789	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1401	}	1793	}
1402	}	1794	}
1403		1795
…		…
1424	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1426		1818
1427	sub generate_random_map {	1819	sub generate_random_map {
1428	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
1429	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1825	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1847
1453	sub register {	1848	sub register {
1454	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1850	my $pkg = caller;
1456		1851
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1853
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1855	}
1462		1856
1463	# also paths starting with '/'	1857	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1859
1466	sub thawer_merge {	1860	sub thawer_merge {
1467	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1468		1862
1469	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1524	return $self;	1918	return $self;
1525	}	1919	}
1526	}	1920	}
1527		1921
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1923	()
1530	}	1924	}
1531		1925
1532	sub init {	1926	sub init {
1533	my ($self) = @_;	1927	my ($self) = @_;
…		…
1555		1949
1556	# the temporary/swap location	1950	# the temporary/swap location
1557	sub save_path {	1951	sub save_path {
1558	my ($self) = @_;	1952	my ($self) = @_;
1559		1953
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1562	}	1956	}
1563		1957
1564	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1565	sub uniq_path {	1959	sub uniq_path {
1566	my ($self) = @_;	1960	my ($self) = @_;
1567		1961
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1964	}
1580		1965
1581	sub decay_objects {	1966	sub decay_objects {
1582	my ($self) = @_;	1967	my ($self) = @_;
1583		1968
…		…
1596		1981
1597	sub load_header_from($) {	1982	sub load_header_from($) {
1598	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1599		1984
1600	utf8::encode $path;	1985	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	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;
1606		1994
1607	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1608		1996
1609	1	1997	1
1610	}	1998	}
…		…
1664	sub find {	2052	sub find {
1665	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1666		2054
1667	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1668		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2059
1671	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1674	or return;	2062	or return;
1675		2063
1676	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1677		2065
…		…
1679	or return;	2067	or return;
1680		2068
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1684	$map->reset;	2074	$map->reset;
1685	undef $guard;
1686	return find $path;	2075	return find $path;
1687	}	2076	}
1688		2077
1689	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1690	}	2079	}
1691	}	2080	}
1692		2081
1693	sub pre_load { }	2082	sub pre_load { }
1694	sub post_load { }	2083	#sub post_load { } # XS
1695		2084
1696	sub load {	2085	sub load {
1697	my ($self) = @_;	2086	my ($self) = @_;
1698		2087
1699	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1700		2089
1701	my $path = $self->{path};	2090	my $path = $self->{path};
1702		2091
1703	{	2092	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1705		2094
		2095	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2097
1708	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1709		2099
1710	$self->alloc;	2100	$self->alloc;
1711		2101
1712	$self->pre_load;	2102	$self->pre_load;
1713	Coro::cede;	2103	cf::cede_to_tick;
1714		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1716	or return;	2108	or return;
1717		2109
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1719	if delete $self->{load_original};	2111	if delete $self->{load_original};
1720		2112
1721	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2114	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2117	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1726	}	2121	}
1727	}	2122	}
1728		2123
1729	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1730	# now do the right thing for maps	2127	# now do the right thing for maps
1731	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2130	unless $self->difficulty;
1734	Coro::cede;	2131	cf::cede_to_tick;
1735		2132
1736	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2134	$self->decay_objects;
1738	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1739	$self->update_buttons;	2136	$self->update_buttons;
1740	Coro::cede;	2137	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2138	$self->activate;
1744	}	2139	}
1745		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2145	}
1748		2146
1749	$self->post_load;	2147	$self->post_load;
1750	}	2148	}
1751		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
1752	sub customise_for {	2153	sub customise_for {
1753	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1754		2155
1755	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2157	if $self->per_player;
…		…
1760		2161
1761	$self	2162	$self
1762	}	2163	}
1763		2164
1764	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2166	sub load_neighbours {
1766	my ($map) = @_;	2167	my ($map) = @_;
1767		2168
1768	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1769		2170
1770	for (0 .. 3) {	2171	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1772	or next;	2173	or next;
1773	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1774	or next;	2175	or next;
1775	$neigh->load;	2176	$neigh->load;
1776		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2182	}
1780		2183
1781	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1783	or next;	2187	or next;
1784	$neigh->load;	2188	$neigh->load;
1785	}	2189	}
1786	}	2190	}
1787		2191
1788	sub find_sync {	2192	sub find_sync {
1789	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1790		2194
1791	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
1792	}	2199	}
1793		2200
1794	sub do_load_sync {	2201	sub do_load_sync {
1795	my ($map) = @_;	2202	my ($map) = @_;
1796		2203
1797	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;
1798	}	2208	}
1799		2209
1800	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1802		2212
1803	sub find_async {	2213	sub find_async {
1804	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1805		2215
1806	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1807		2217
1808	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2220	}
1811		2221
1812	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1813	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1814	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2229	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2230	$map->load if $v;
		2231	}
1819		2232
1820	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1821	}	2234	}
1822	}	2235	}
1823	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1824	};	2237	};
1825	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1826		2239
1827	()	2240	()
1828	}	2241	}
1829		2242
		2243	# common code, used by both ->save and ->swapout
1830	sub save {	2244	sub _save {
1831	my ($self) = @_;	2245	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2246
1835	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1836		2248
1837	return unless $self->dirty;	2249	return unless $self->dirty;
1838		2250
…		…
1844	return if $self->{deny_save};	2256	return if $self->{deny_save};
1845		2257
1846	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1847		2259
1848	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1850	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1851		2266
1852	if ($uniq) {	2267	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2270	} else {
1856	$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);
1857	}	2272	}
1858	}	2273	}
1859		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1860	sub swap_out {	2283	sub swap_out {
1861	my ($self) = @_;	2284	my ($self) = @_;
1862		2285
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1868	return if $self->players;	2290	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		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
1872	$self->clear;	2301	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2302	}
1875		2303
1876	sub reset_at {	2304	sub reset_at {
1877	my ($self) = @_;	2305	my ($self) = @_;
1878		2306
…		…
1896		2324
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2326
1899	return if $self->players;	2327	return if $self->players;
1900		2328
1901	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1902		2330
1903	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1904		2332
1905	# need to save uniques path	2333	# need to save uniques path
1906	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2338	if $uniq;
1911	}	2339	}
1912		2340
1913	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1914		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2345	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2346
1919	$self->unlink_save;	2347	$self->unlink_save;
1920	$self->destroy;	2348	$self->destroy;
1921	}	2349	}
1922		2350
1923	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1924		2352
1925	sub nuke {	2353	sub nuke {
1926	my ($self) = @_;	2354	my ($self) = @_;
1927		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1928	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1929		2360
1930	$self->unlink_save;	2361	$self->unlink_save;
1931		2362
1932	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2368
1938	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1939		2371
1940	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
1941	}	2373	}
1942		2374
1943	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
1985		2417
1986	sub unique_maps() {	2418	sub unique_maps() {
1987	[	2419	[
1988	map {	2420	map {
1989	utf8::decode $_;	2421	utf8::decode $_;
1990	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
1991	? normalise $_	2425	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2427	]
1995	}	2428	}
1996		2429
1997	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	}
1998		2461
1999	=back	2462	=back
2000		2463
2001	=head3 cf::object	2464	=head3 cf::object
2002		2465
…		…
2006		2469
2007	=over 4	2470	=over 4
2008		2471
2009	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2010		2473
2011	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.
2012		2476
2013	=cut	2477	=cut
2014		2478
2015	sub inv_recursive_;	2479	sub inv_recursive_;
2016	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2019		2483
2020	sub inv_recursive {	2484	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2022	}	2486	}
2023		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
2024	package cf;	2516	package cf;
2025		2517
2026	=back	2518	=back
2027		2519
2028	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2034	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>
2035	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
2036	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2037		2529
2038	=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	};
2039		2545
2040	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2547	# with dialog boxes.
2042	#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
2043	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2050		2556
2051	} else {	2557	} else {
2052	my $pl = $self->contr;	2558	my $pl = $self->contr;
2053		2559
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2563
2060	} else {	2564	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2567	}
2064	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
2065	}	2579	}
2066		2580
2067	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2068		2582
2069	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2082		2596
2083	=item $player_object->enter_link	2597	=item $player_object->enter_link
2084		2598
2085	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}>).
2086		2600
2087	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.
2088	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.
2089		2605
2090	Will never block.	2606	Will never block.
2091		2607
2092	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2093		2609
…		…
2113	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2630	my ($self) = @_;
2115		2631
2116	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2117		2633
		2634	++$self->{_link_recursion};
		2635
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2637
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2122		2640
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2642	}
2125		2643
2126	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2128		2646
…		…
2145	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2147		2665
2148	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2151		2669
2152	$map->load;	2670	$map->load;
2153	$map->load_diag;	2671	$map->load_neighbours;
2154		2672
2155	return unless $self->contr->active;	2673	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2674
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2160	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2161		2682
		2683	}
		2684
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2686
2164	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
2165	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
2166	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
2167	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
2168		2695
2169	=cut	2696	=cut
2170		2697
2171	our $GOTOGEN;	2698	our $GOTOGEN;
2172		2699
2173	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
2175		2708
2176	# 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
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2711
2179	$self->enter_link;	2712	$self->enter_link;
2180		2713
2181	(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
2182	my $map = eval {	2736	my $map = eval {
2183	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2184		2738
2185	if ($map) {	2739	if ($map) {
2186	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2742	} else {
2189	$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);
2190	}	2744	}
2191		2745
2192	$map	2746	$map
2193	};	2747	};
2194		2748
…		…
2199		2753
2200	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2203	}	2757	}
		2758
		2759	$done->($self) if $done;
2204	})->prio (1);	2760	})->prio (1);
2205	}	2761	}
2206		2762
2207	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2208		2764
…		…
2228	}	2784	}
2229		2785
2230	sub prepare_random_map {	2786	sub prepare_random_map {
2231	my ($exit) = @_;	2787	my ($exit) = @_;
2232		2788
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2791	# that depends on the exit object
2238		2792
2239	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2795	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2246	}	2802	}
2247		2803
2248	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2249		2805
2250	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2253		2809
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2812	undef $fh;
2257	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2258		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2261	}	2821	}
2262	}	2822	}
2263		2823
2264	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2266		2826
2267	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2268		2828
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2829	$self->enter_link;
2281		2830
2282	(async {	2831	(async {
2283	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2284	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
2285	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2286		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
2287	1;	2855	1
2288	}) {	2856	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "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. "
2291	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2861
2294	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2863	$self->leave_link;
2296	}	2864	}
2297	})->prio (1);	2865	})->prio (1);
2298	}	2866	}
2299		2867
…		…
2313		2881
2314	utf8::encode $text;	2882	utf8::encode $text;
2315	$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);
2316	}	2884	}
2317		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		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
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2318	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2319		3074
2320	Sends an exti event to the client.	3075	Sends an ext event to the client.
2321		3076
2322	=cut	3077	=cut
2323		3078
2324	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2326		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2329	}	3106	}
2330		3107
2331	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2332		3109
2333	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3113
2337	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3115	become reliable at some point in the future.
2339		3116
2340	=cut	3117	=cut
2341		3118
2342	sub cf::client::query {	3119	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3128	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3130
2354	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2356	}	3135	}
2357		3136
2358	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2359	on_reply => sub {	3143	on_reply => sub {
2360	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2361		3145
2362	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2363	# get handled first	3147	# get handled first
…		…
2375	} else {	3159	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3161	}
2378	}	3162	}
2379	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2380	);	3190	);
2381		3191
2382	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2383		3193
2384	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3210
2401	$coro	3211	$coro
2402	}	3212	}
2403		3213
2404	cf::client->attach (	3214	cf::client->attach (
2405	on_destroy => sub {	3215	on_client_destroy => sub {
2406	my ($ns) = @_;	3216	my ($ns) = @_;
2407		3217
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3219	},
2410	);	3220	);
…		…
2425	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2427		3237
2428	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2429		3239
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2431		3245
2432	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2433		3247
2434	=pod	3248	=pod
2435		3249
2436	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2437		3251
2438	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2439	cf::object::player player	3257	cf::object::player
2440	cf::player peaceful	3258	player
2441	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2442		3265
2443	=cut	3266	=cut
2444		3267
2445	for (	3268	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2450	) {	3275	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3278	for @funs;
2455	}	3279	}
2456		3280
…		…
2471		3295
2472	my $qcode = $code;	3296	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2475		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2476	local $_;	3303	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3304
2479	my $eval =	3305	my $eval =
2480	"do {\n"	3306	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3309	. $code
2484	. "\n}"	3310	. "\n}"
2485	;	3311	;
2486		3312
		3313	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2490		3322
2491	if ($@) {	3323	if ($@) {
2492	warn "$@";	3324	warn "$@",
2493	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2495	}	3327	}
2496		3328
2497	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2498	}	3330	}
2499		3331
…		…
2513	=cut	3345	=cut
2514		3346
2515	sub register_script_function {	3347	sub register_script_function {
2516	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2517		3349
2518	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2520	}	3352	}
2521		3353
2522	=back	3354	=back
2523		3355
2524	=cut	3356	=cut
…		…
2527	# the server's init and main functions	3359	# the server's init and main functions
2528		3360
2529	sub load_facedata($) {	3361	sub load_facedata($) {
2530	my ($path) = @_;	3362	my ($path) = @_;
2531		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2532	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2533		3371
2534	my $facedata;	3372	my $facedata;
2535	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3374	or die "$path: $!";
2537		3375
2538	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2539		3377
2540	$facedata->{version} == 2	3378	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
2543	{	3390	{
2544	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2545		3392
2546	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3400
		3401	cf::cede_to_tick;
2552	}	3402	}
2553		3403
2554	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2556	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2557	or next;	3408	or next;
		3409
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3413	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3415	}
2563	Coro::cede;	3416
		3417	cf::cede_to_tick;
2564	}	3418	}
2565	}	3419	}
2566		3420
2567	{	3421	{
2568	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2569		3423
2570	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3426	cf::cede_to_tick;
2573	}	3427	}
2574		3428
2575	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2576	}	3430	}
2577		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2578	1	3451	1
2579	}	3452	}
2580		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2581	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2582	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2584	}	3484	}
2585		3485
2586	sub reload_facedata {	3486	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3496	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2599	}	3499	}
2600		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
2601	sub reload_resources {	3524	sub reload_resources {
2602	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2603		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2604	reload_regions;	3530	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3531	reload_treasures;
2609		3532
2610	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2611	}	3534	}
2612		3535
2613	sub init {	3536	sub reload_config {
2614	reload_resources;	3537	trace "reloading config file...\n";
2615	}
2616		3538
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3540	or return;
2620		3541
2621	local $/;	3542	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2623		3544
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3546
2626	$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};
2627	$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};
2628		3549
2629	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3554	};
2634	warn $@ if $@;	3555	warn $@ if $@;
2635	}	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;
2636	}	3587	}
2637		3588
2638	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
2639	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2641	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#
2642	(async {	3602	(async {
2643	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2645	};	3606	};
2646		3607
2647	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;
2648	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
2649	load_extensions;	3631	load_extensions;
2650		3632
2651	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2652	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;
2653	}	3646	}
2654		3647
2655	#############################################################################	3648	#############################################################################
2656	# initialisation and cleanup	3649	# initialisation and cleanup
2657		3650
2658	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2659	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2668	},
2669	);	3657	};
2670	}	3658	}
2671	}	3659	}
2672		3660
2673	sub write_runtime {	3661	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2675		3663
2676	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2678		3666
2679	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3668
2681	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2682		3670
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3672	or return;
2685		3673
2686	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2699		3687
2700	close $fh	3688	close $fh
2701	or return;	3689	or return;
2702		3690
2703	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3692	and return;
2705		3693
2706	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3695
2708	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 };
2709	}	3747	}
2710		3748
2711	sub emergency_save() {	3749	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2713		3751
2714	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;
2715		3758
2716	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2717	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3770	$pl->save;
2725	}	3771	}
2726	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2727		3773
2728	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";
2729	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3779	$map->valid or next;
2732	$map->save;	3780	$map->save;
2733	}	3781	}
2734	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2735		3783
2736	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";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2738	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 $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3812	};
2740		3813
2741	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2742	}	3815	}
2743		3816
2744	sub post_cleanup {	3817	sub post_cleanup {
2745	my ($make_core) = @_;	3818	my ($make_core) = @_;
2746		3819
		3820	IO::AIO::flush;
		3821
2747	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2748	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	}
2749	}	3852	}
2750		3853
2751	sub do_reload_perl() {	3854	sub do_reload_perl() {
2752	# can/must only be called in main	3855	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2754	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2755	return;	3858	return;
2756	}	3859	}
2757		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2758	warn "reloading...";	3866	info "reloading...";
2759		3867
2760	warn "entering sync_job";	3868	trace "entering sync_job";
2761		3869
2762	cf::sync_job {	3870	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3871	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3872
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3875	%EXT_CORO = ();
2791		3876
2792	warn "removing commands";	3877	trace "removing commands";
2793	%COMMAND = ();	3878	%COMMAND = ();
2794		3879
2795	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2796	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2797		3883
2798	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2801		3887
2802	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3889	eval {
2804	$cb->($pkg);	3890	$cb->($pkg);
2805	1	3891	1
2806	} 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;
2807	}	3897	}
2808		3898
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3902
2817	warn "... unloading $k";	3903	trace "... unloading $k";
2818	delete $INC{$k};	3904	delete $INC{$k};
2819		3905
2820	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2822		3908
2823	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2825	}	3914	}
2826		3915
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2832	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);
2833		3919
2834	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3923
2838	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3925	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2841		3927
2842	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2843		3929
2844	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2845	require cf;	3931	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2847		3933
2848	warn "loading config and database again";	3934	trace "loading config and database again";
2849	cf::cfg_load;	3935	cf::reload_config;
2850		3936
2851	warn "loading extensions";	3937	trace "loading extensions";
2852	cf::load_extensions;	3938	cf::load_extensions;
2853		3939
		3940	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2860		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
2861	warn "leaving sync_job";	3952	trace "leaving sync_job";
2862		3953
2863	1	3954	1
2864	} or do {	3955	} or do {
2865	warn $@;	3956	error $@;
2866	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
2868	};	3962	}
2869		3963
2870	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
2871	};	3966	};
2872		3967
2873	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
2874		3969
2875	sub reload_perl() {	3970	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
2878		3973
2879	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3976
2882	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3978	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
2886	},	3980	};
2887	);	3981	};
2888	}	3982	}
2889		3983
2890	register_command "reload" => sub {	3984	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2892		3986
2893	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3991	reload_perl;
		3992	};
2896	}	3993	}
2897	};	3994	};
2898		3995
2899	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2900		3997
…		…
2902		3999
2903	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
2905		4002
2906	sub wait_for_tick {	4003	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4005
2910	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4008	$signal->wait;
2913	}	4009	}
2914		4010
2915	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4013
2919	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4016	$signal->wait;
2922	}	4017	}
2923		4018
2924	my $min = 1e6;#d#	4019	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2934	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"
2935	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2936	return;	4023	return;
2937	}	4024	}
2938		4025
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2942		4027
2943	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4029
2949	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4032	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4034	write_runtime_sync
2954		4035	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4036	};
		4037	}
2965		4038
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4040	$sig->send;
2982	}	4041	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4043	$sig->send;
2985	}	4044	}
2986		4045
2987	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4048
2998	_post_tick;	4049	if (0) {
2999		4050	if ($NEXT_TICK) {
3000		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3001	},	4055	}
3002	);	4056	}
3003		4057
3004	{	4058	{
3005	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4060
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3015		4062	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4064
3031	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3032	$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);
3033		4072
3034	cf::sync_job {	4073	cf::sync_job {
3035	eval {	4074	eval {
3036	BDB::db_env_open	4075	BDB::db_env_open
3037	$DB_ENV,	4076	$DB_ENV,
…		…
3039	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
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4080	0666;
3042		4081
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4083	};
3048		4084
3049	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4086	};
3051	}	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	};
3052	}	4098	}
3053		4099
3054	{	4100	{
		4101	# configure IO::AIO
		4102
3055	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4106	}
3068		4107
3069	my $_log_backtrace;	4108	my $_log_backtrace;
3070		4109
3071	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3075		4114
3076	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3079	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3080	my @bt = fork_call {	4122	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	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 |"
3084	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3092	}	4134	}
3093		4135
3094	@funcs	4136	@funcs
3095	};	4137	};
3096		4138
3097	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4142	--$_log_backtrace;
3100	};	4143	};
3101	} else {	4144	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4147	}
3105	}	4148	}
3106		4149
3107	# load additional modules	4150	# load additional modules
3108	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3109		4153
3110	END { cf::emergency_save }	4154	END { cf::emergency_save }
3111		4155
3112	1	4156	1
3113		4157

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