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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.288 by root, Mon Jun 25 07:40:53 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
257		387
258	=item cf::lock_wait $string	388	=item cf::lock_wait $string
259		389
260	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
261		391
262	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
263		393
264	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
267	returned.	397	returned.
268		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
269	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
271		404
272	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
273		406
274	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
275		408
276	=cut	409	=cut
277		410
278	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
279		412
280	sub lock_wait($) {	413	sub lock_wait($) {
281	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	415	}
289		416
290	sub lock_acquire($) {	417	sub lock_acquire($) {
291	my ($key) = @_;	418	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	419	}
303		420
304	sub lock_active($) {	421	sub lock_active($) {
305	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	423	}
309		424
310	sub freeze_mainloop {	425	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
312		427
313	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
315	};	495	}
316	$TICK_WATCHER->stop;	496	};
317	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
318	}	511	}
319		512
320	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
321		514
322	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		520
328	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
329		522
330	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
331		524
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	528	acceptable.
336		529
337	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	535	=cut
343		536
344	sub sync_job(&) {	537	sub sync_job(&) {
345	my ($job) = @_;	538	my ($job) = @_;
346		539
347	if ($Coro::current == $Coro::main) {	540	if (in_main) {
348	my $time = Event::time;	541	my $time = AE::time;
349		542
350	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
352		545
353	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	547
355	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
356		549
357	my $busy = 1;	550	my $busy = 1;
358	my @res;	551	my @res;
359		552
360	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	555	@res = eval { $job->() };
362	warn $@ if $@;	556	error $@ if $@;
363	undef $busy;	557	undef $busy;
364	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
365		559
366	while ($busy) {	560	while ($busy) {
367	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
368	}	565	}
		566	}
369		567
370	$time = Event::time - $time;	568	my $time = AE::time - $time;
371		569
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
376		571
377	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
378	} else {	573	} else {
379	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
380		575
…		…
400	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
401		596
402	$coro	597	$coro
403	}	598	}
404		599
405	=item fork_call { }, $args	600	=item fork_call { }, @args
406		601
407	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
411		606
412	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
413		612
414	sub fork_call(&@) {	613	sub fork_call(&@) {
415	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
416		615
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	616	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	617	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	618	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		619
422	if (my $pid = fork) {	620	my @res = Coro::Util::fork_eval {
423	close $fh2;	621	cf::post_fork;
		622	&$cb
		623	} @args;
424		624
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	625	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	626	}
427		627
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	628	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
447	}	664	}
448		665
449	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
450		667
451	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
454		671
455	Stores the given C<$value> in the family. It can currently store binary	672	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
458	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
459		701
460	our $DB;	702	our $DB;
461		703
462	sub db_init {	704	sub db_init {
463	unless ($DB) {	705	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	706	}
478		707
479	sub db_get($$) {	708	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
481		710
482	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
483	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
484		715
485	$! ? ()	716	$! ? ()
486	: $data	717	: $data
487	}
488	}	718	}
489		719
490	sub db_put($$$) {	720	sub db_put($$$) {
491	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	761	if (1) {
532	$md5 =	762	$md5 =
533	join "\x00",	763	join "\x00",
534	$processversion,	764	$processversion,
535	map {	765	map {
536	Coro::cede;	766	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	768	} 0.. $#$src;
539		769
540		770
541	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		778
549	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	780	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
552		782
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		784
555	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
558		788
…		…
568		798
569	=cut	799	=cut
570		800
571	sub datalog($@) {	801	sub datalog($@) {
572	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	804	}
575		805
576	=back	806	=back
577		807
578	=cut	808	=cut
579		809
580	#############################################################################	810	#############################################################################
581		811
582	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
583		813
584	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
587		817
588	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	820	Deliantra).
591		821
592	=over 4	822	=over 4
593		823
594	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
595		825
…		…
639	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
640		870
641	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
643		873
644	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
646		876
647	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
648		878
649	=over 4	879	=over 4
…		…
773		1003
774	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1006
777	} elsif (ref $type) {	1007	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
779		1009
780	} else {	1010	} else {
781	shift @arg;	1011	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
783	}	1013	}
784	}	1014	}
785	}	1015	}
786		1016
787	sub _object_attach {	1017	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
798	}	1028	}
799		1029
800	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
801	} else {	1031	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1033	}
804		1034
805	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
806	}	1036	}
807		1037
…		…
847	";	1077	";
848	die if $@;	1078	die if $@;
849	}	1079	}
850		1080
851	our $override;	1081	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1083
854	sub override {	1084	sub override {
855	$override = 1;	1085	$override = 1;
856	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
857	}	1087	}
858		1088
859	sub do_invoke {	1089	sub do_invoke {
860	my $event = shift;	1090	my $event = shift;
861	my $callbacks = shift;	1091	my $callbacks = shift;
862		1092
863	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
864		1094
865	local $override;	1095	local $override;
866		1096
867	for (@$callbacks) {	1097	for (@$callbacks) {
868	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
869		1099
870	if ($@) {	1100	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1102	override;
874	}	1103	}
875		1104
876	return 1 if $override;	1105	return 1 if $override;
877	}	1106	}
878		1107
879	0	1108	0
880	}	1109	}
881		1110
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1112
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1114
886	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
887		1116
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1120
892	=back	1121	=back
893		1122
894	=cut	1123	=cut
895		1124
896	#############################################################################	1125	#############################################################################
897	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
898		1169
899	sub reattach {	1170	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1172	my ($obj) = @_;
902		1173
		1174	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1176
905	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
906		1178
907	@$registry = ();	1179	@$registry = ();
908		1180
…		…
913	for (@$attach) {	1185	for (@$attach) {
914	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
916	}	1188	}
917	} else {	1189	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1191	}
920	}	1192	}
921	}	1193	}
922		1194
923	cf::attachable->attach (	1195	cf::attachable->attach (
924	prio => -1000000,	1196	prio => -1000000,
925	on_instantiate => sub {	1197	on_instantiate => sub {
926	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
927		1199
928	$data = from_json $data;	1200	$data = decode_json $data;
929		1201
930	for (@$data) {	1202	for (@$data) {
931	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
932		1204
933	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1221	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
951		1223
952	sync_job {	1224	sync_job {
953	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
956		1230
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
961	close $fh;	1238	aio_close $fh;
962		1239
963	if (@$objs) {	1240	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
969	close $fh;	1249	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
971	}	1251	}
972	} else {	1252	} else {
973	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
974	}	1254	}
975		1255
976	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1260	} else {
978	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
979	}	1262	}
980	} else {	1263	} else {
981	aio_unlink $filename;	1264	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
983	}	1266	}
984	}	1267	};
985	}	1268	}
986		1269
987	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
989		1272
…		…
1001	or return;	1284	or return;
1002		1285
1003	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1288	or return;
		1289
1006	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1007	}	1292	}
1008		1293
		1294	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1011	return ($data, $av);	1299	($data, $av)
1012	}	1300	}
1013		1301
1014	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1015		1303
1016	=over 4	1304	=over 4
…		…
1070	my ($name, $cb) = @_;	1358	my ($name, $cb) = @_;
1071		1359
1072	$EXTICMD{$name} = $cb;	1360	$EXTICMD{$name} = $cb;
1073	}	1361	}
1074		1362
		1363	use File::Glob ();
		1364
1075	cf::player->attach (	1365	cf::player->attach (
1076	on_command => sub {	1366	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1078		1368
1079	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1080	or return;	1370	or return;
1081		1371
…		…
1086	cf::override;	1376	cf::override;
1087	},	1377	},
1088	on_extcmd => sub {	1378	on_extcmd => sub {
1089	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1090		1380
1091	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1382
1093	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1099	} else {	1398	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1400	}
1102		1401
1103	cf::override;	1402	cf::override;
1104	},	1403	},
1105	);	1404	);
1106		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1107	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1108	cf::sync_job {	1422	cf::sync_job {
1109	my %todo;	1423	my %todo;
1110		1424
1111	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1426	next unless -r $path;
…		…
1130		1444
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1447
1134	$ext{source} =	1448	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1137	. $source	1451	. $source
1138	. "\n};\n1";	1452	. "\n};\n1";
1139		1453
1140	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1141	}	1455	}
1142		1456
		1457	my $pass = 0;
1143	my %done;	1458	my %done;
1144	while (%todo) {	1459	while (%todo) {
1145	my $progress;	1460	my $progress;
1146		1461
		1462	++$pass;
		1463
		1464	ext:
1147	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1467	next ext
1150	unless exists $done{$_};	1468	unless exists $done{$_};
1151	}	1469	}
1152		1470
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1472
1155	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1160	warn $msg;	1480
1161	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1482	delete $todo{$k};
1163	}	1483	} else {
1164		1484	$done{$k} = delete $todo{$k};
1165	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1166	}	1490	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1491	}
1172		1492
1173	skip:	1493	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1176	}	1501	}
1177	};	1502	};
1178	}	1503	}
1179		1504
1180	#############################################################################	1505	#############################################################################
1181		1506
1182	=back	1507	=back
1183		1508
1184	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1185		1510
1186	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1187		1512
1188	=cut	1513	=cut
1189		1514
1190	package cf::player;	1515	package cf::player;
1191		1516
1192	use Coro::AIO;	1517	use Coro::AIO;
1193		1518
1194	=head3 cf::player	1519	=head3 cf::player
1195		1520
1196	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1197		1536
1198	=item cf::player::find $login	1537	=item cf::player::find $login
1199		1538
1200	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1201		1540
…		…
1220		1559
1221	sub exists($) {	1560	sub exists($) {
1222	my ($login) = @_;	1561	my ($login) = @_;
1223		1562
1224	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1226	}	1565	}
1227		1566
1228	sub find($) {	1567	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1569	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1580
1242	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1245	}	1590	}
1246	}	1591	}
1247	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1248		1606
1249	sub save($) {	1607	sub save($) {
1250	my ($pl) = @_;	1608	my ($pl) = @_;
1251		1609
1252	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1258		1616
1259	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1261		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1262	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1263	Coro::cede;	1626	cf::cede_to_tick;
1264	}	1627	}
1265		1628
1266	sub new($) {	1629	sub new($) {
1267	my ($login) = @_;	1630	my ($login) = @_;
1268		1631
…		…
1274	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1275		1638
1276	$self	1639	$self
1277	}	1640	}
1278		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1279	=item $pl->quit_character	1652	=item $pl->quit_character
1280		1653
1281	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1283		1656
…		…
1287	my ($pl) = @_;	1660	my ($pl) = @_;
1288		1661
1289	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1290		1663
1291	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1666
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1298		1675
1299	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1713	or return [];
1337		1714
1338	my @logins;	1715	my @logins;
1339		1716
1340	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1344		1727
1345	utf8::decode $login;	1728	utf8::decode $login;
1346	push @logins, $login;	1729	push @logins, $login;
1347	}	1730	}
1348		1731
1349	\@logins	1732	\@logins
1350	}	1733	}
1351		1734
1352	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1353		1738
1354	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1355	player. May block.	1740	player. May block.
1356		1741
1357	=cut	1742	=cut
…		…
1375	}	1760	}
1376		1761
1377	\@paths	1762	\@paths
1378	}	1763	}
1379		1764
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1766
1382	Expand crossfire pod fragments into protocol xml.	1767	Expand deliantra pod fragments into protocol xml.
1383		1768
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1414		1770
1415	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1416		1772
1417	=cut	1773	=cut
1418		1774
1419	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1421		1777
1422	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . cf::to_json \%msg);
1424	}	1779	}
1425		1780
1426	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1427		1782
1428	Sends an ext event to the client.	1783	Sends an ext event to the client.
1429		1784
1430	=cut	1785	=cut
1431		1786
1432	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1434		1789
1435	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1436	}	1791	}
1437		1792
1438	=head3 cf::region	1793	=head3 cf::region
1439		1794
1440	=over 4	1795	=over 4
…		…
1450	=cut	1805	=cut
1451		1806
1452	sub find_by_path($) {	1807	sub find_by_path($) {
1453	my ($path) = @_;	1808	my ($path) = @_;
1454		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1455	my ($match, $specificity);	1812	my ($match, $specificity);
1456		1813
1457	for my $region (list) {	1814	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1461	}	1818	}
1462	}	1819	}
1463		1820
…		…
1484	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1486		1843
1487	sub generate_random_map {	1844	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1489	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1850	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1512		1872
1513	sub register {	1873	sub register {
1514	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1875	my $pkg = caller;
1516		1876
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1878
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1880	}
1522		1881
1523	# also paths starting with '/'	1882	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1884
1526	sub thawer_merge {	1885	sub thawer_merge {
1527	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1528		1887
1529	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1534	}	1893	}
1535		1894
1536	sub normalise {	1895	sub normalise {
1537	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1538		1897
1539	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1540		1899
1541	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1542		1901
1543	# map plan:	1902	# map plan:
1544	#	1903	#
…		…
1583	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1584	return $self;	1943	return $self;
1585	}	1944	}
1586	}	1945	}
1587		1946
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1589	()	1948	()
1590	}	1949	}
1591		1950
1592	sub init {	1951	sub init {
1593	my ($self) = @_;	1952	my ($self) = @_;
…		…
1615		1974
1616	# the temporary/swap location	1975	# the temporary/swap location
1617	sub save_path {	1976	sub save_path {
1618	my ($self) = @_;	1977	my ($self) = @_;
1619		1978
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1622	}	1981	}
1623		1982
1624	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1625	sub uniq_path {	1984	sub uniq_path {
1626	my ($self) = @_;	1985	my ($self) = @_;
1627		1986
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	1989	}
1640		1990
1641	sub decay_objects {	1991	sub decay_objects {
1642	my ($self) = @_;	1992	my ($self) = @_;
1643		1993
…		…
1656		2006
1657	sub load_header_from($) {	2007	sub load_header_from($) {
1658	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1659		2009
1660	utf8::encode $path;	2010	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1666		2019
1667	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1668		2021
1669	1	2022	1
1670	}	2023	}
…		…
1722		2075
1723	sub find;	2076	sub find;
1724	sub find {	2077	sub find {
1725	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1726		2079
		2080	cf::cede_to_tick;
		2081
1727	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1728		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2086
1731	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1734	or return;	2089	or return;
1735		2090
1736	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1737		2092
…		…
1739	or return;	2094	or return;
1740		2095
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1744	$map->reset;	2101	$map->reset;
1745	undef $guard;
1746	return find $path;	2102	return find $path;
1747	}	2103	}
1748		2104
1749	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1750	}	2106	}
1751	}	2107	}
1752		2108
1753	sub pre_load { }	2109	sub pre_load { }
1754	sub post_load { }	2110	#sub post_load { } # XS
1755		2111
1756	sub load {	2112	sub load {
1757	my ($self) = @_;	2113	my ($self) = @_;
1758		2114
1759	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1760		2116
1761	my $path = $self->{path};	2117	my $path = $self->{path};
1762		2118
1763	{	2119	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1765		2121
		2122	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2124
1768	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1769		2126
1770	$self->alloc;	2127	$self->alloc;
1771		2128
1772	$self->pre_load;	2129	$self->pre_load;
1773	Coro::cede;	2130	cf::cede_to_tick;
1774		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1776	or return;	2135	or return;
1777		2136
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1779	if delete $self->{load_original};	2138	if delete $self->{load_original};
1780		2139
1781	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2141	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2144	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1786	}	2148	}
1787	}	2149	}
1788		2150
1789	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1790	# now do the right thing for maps	2154	# now do the right thing for maps
1791	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2157	unless $self->difficulty;
1794	Coro::cede;	2158	cf::cede_to_tick;
1795		2159
1796	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2161	$self->decay_objects;
1798	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1799	$self->update_buttons;	2163	$self->update_buttons;
1800	Coro::cede;	2164	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2165	$self->activate;
1804	}	2166	}
1805		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2172	}
1808		2173
1809	$self->post_load;	2174	$self->post_load;
1810	}	2175	}
1811		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1812	sub customise_for {	2180	sub customise_for {
1813	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1814		2182
1815	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2184	if $self->per_player;
…		…
1820		2188
1821	$self	2189	$self
1822	}	2190	}
1823		2191
1824	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2193	sub load_neighbours {
1826	my ($map) = @_;	2194	my ($map) = @_;
1827		2195
1828	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1829		2197
1830	for (0 .. 3) {	2198	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1832	or next;	2200	or next;
1833	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1834	or next;	2202	or next;
1835	$neigh->load;	2203	$neigh->load;
1836		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2209	}
1840		2210
1841	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1843	or next;	2214	or next;
1844	$neigh->load;	2215	$neigh->load;
1845	}	2216	}
1846	}	2217	}
1847		2218
1848	sub find_sync {	2219	sub find_sync {
1849	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1850		2221
1851	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1852	}	2226	}
1853		2227
1854	sub do_load_sync {	2228	sub do_load_sync {
1855	my ($map) = @_;	2229	my ($map) = @_;
1856		2230
1857	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1858	}	2235	}
1859		2236
1860	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1862		2239
1863	sub find_async {	2240	sub find_async {
1864	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1865		2242
1866	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1867		2244
1868	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2247	}
1871		2248
1872	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1873	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1874	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2256	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2257	$map->load if $v;
		2258	}
1879		2259
1880	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1881	}	2261	}
1882	}	2262	}
1883	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1884	};	2264	};
1885	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1886		2266
1887	()	2267	()
1888	}	2268	}
1889		2269
		2270	# common code, used by both ->save and ->swapout
1890	sub save {	2271	sub _save {
1891	my ($self) = @_;	2272	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2273
1895	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1896		2275
1897	return unless $self->dirty;	2276	return unless $self->dirty;
1898		2277
…		…
1904	return if $self->{deny_save};	2283	return if $self->{deny_save};
1905		2284
1906	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1907		2286
1908	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1910	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1911		2293
1912	if ($uniq) {	2294	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2297	} else {
1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917	}	2299	}
1918	}	2300	}
1919		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1920	sub swap_out {	2310	sub swap_out {
1921	my ($self) = @_;	2311	my ($self) = @_;
1922		2312
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1928	return if $self->players;	2317	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1932	$self->clear;	2328	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2329	}
1935		2330
1936	sub reset_at {	2331	sub reset_at {
1937	my ($self) = @_;	2332	my ($self) = @_;
1938		2333
…		…
1956		2351
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2353
1959	return if $self->players;	2354	return if $self->players;
1960		2355
1961	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1962		2357
1963	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1964		2359
1965	# need to save uniques path	2360	# need to save uniques path
1966	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2365	if $uniq;
1971	}	2366	}
1972		2367
1973	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1974		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2372	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2373
1979	$self->unlink_save;	2374	$self->unlink_save;
1980	$self->destroy;	2375	$self->destroy;
1981	}	2376	}
1982		2377
1983	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1984		2379
1985	sub nuke {	2380	sub nuke {
1986	my ($self) = @_;	2381	my ($self) = @_;
1987		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1988	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1989		2387
1990	$self->unlink_save;	2388	$self->unlink_save;
1991		2389
1992	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2395
1998	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1999		2398
2000	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
2001	}	2400	}
2002		2401
2003	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2045		2444
2046	sub unique_maps() {	2445	sub unique_maps() {
2047	[	2446	[
2048	map {	2447	map {
2049	utf8::decode $_;	2448	utf8::decode $_;
2050	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2051	? normalise $_	2452	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2454	]
2055	}	2455	}
2056		2456
2057	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2058		2488
2059	=back	2489	=back
2060		2490
2061	=head3 cf::object	2491	=head3 cf::object
2062		2492
…		…
2066		2496
2067	=over 4	2497	=over 4
2068		2498
2069	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2070		2500
2071	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2072		2503
2073	=cut	2504	=cut
2074		2505
2075	sub inv_recursive_;	2506	sub inv_recursive_;
2076	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2079		2510
2080	sub inv_recursive {	2511	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2082	}	2513	}
2083		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2084	package cf;	2543	package cf;
2085		2544
2086	=back	2545	=back
2087		2546
2088	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2094	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2096	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2097		2556
2098	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2099		2572
2100	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2574	# with dialog boxes.
2102	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2103	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2110		2583
2111	} else {	2584	} else {
2112	my $pl = $self->contr;	2585	my $pl = $self->contr;
2113		2586
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2590
2123	} else {	2591	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2594	}
2127	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
2128	}	2606	}
2129		2607
2130	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
2131		2609
2132	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
2145		2623
2146	=item $player_object->enter_link	2624	=item $player_object->enter_link
2147		2625
2148	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2149		2627
2150	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2151	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2152		2632
2153	Will never block.	2633	Will never block.
2154		2634
2155	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2156		2636
…		…
2176	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2657	my ($self) = @_;
2178		2658
2179	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2180		2660
		2661	++$self->{_link_recursion};
		2662
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2664
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2185		2667
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2669	}
2188		2670
2189	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2191		2673
…		…
2208	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2210		2692
2211	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2214		2696
2215	$map->load;	2697	$map->load;
2216	$map->load_diag;	2698	$map->load_neighbours;
2217		2699
2218	return unless $self->contr->active;	2700	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2701
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2223	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2224		2709
		2710	}
		2711
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2713
2227	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2229	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
2231		2722
2232	=cut	2723	=cut
2233		2724
2234	our $GOTOGEN;	2725	our $GOTOGEN;
2235		2726
2236	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
2238		2735
2239	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2738
2242	$self->enter_link;	2739	$self->enter_link;
2243		2740
2244	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2245	my $map = eval {	2763	my $map = eval {
2246	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2247		2765
2248	if ($map) {	2766	if ($map) {
2249	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2769	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2771	}
2254		2772
2255	$map	2773	$map
2256	};	2774	};
2257		2775
…		…
2262		2780
2263	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2266	}	2784	}
		2785
		2786	$done->($self) if $done;
2267	})->prio (1);	2787	})->prio (1);
2268	}	2788	}
2269		2789
2270	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2271		2791
…		…
2291	}	2811	}
2292		2812
2293	sub prepare_random_map {	2813	sub prepare_random_map {
2294	my ($exit) = @_;	2814	my ($exit) = @_;
2295		2815
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2818	# that depends on the exit object
2301		2819
2302	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2822	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2309	}	2829	}
2310		2830
2311	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2312		2832
2313	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2316		2836
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2839	undef $fh;
2320	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2321		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2324	}	2848	}
2325	}	2849	}
2326		2850
2327	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2329		2853
2330	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2331		2855
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2856	$self->enter_link;
2344		2857
2345	(async {	2858	(async {
2346	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2347	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2348	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2349		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2350	1;	2882	1
2351	}) {	2883	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2888
2357	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2890	$self->leave_link;
2359	}	2891	}
2360	})->prio (1);	2892	})->prio (1);
2361	}	2893	}
2362		2894
…		…
2376		2908
2377	utf8::encode $text;	2909	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2911	}
2380		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2939
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2941	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2387		2944
2388	=cut	2945	=cut
2389		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2390	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3063
2393	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
2394		3066
2395	if ($self->can_msg) {	3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3068
2408	if ($color >= 0) {	3069	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3070	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3071	$channel = $CHANNEL{$channel};
2411	} else {	3072
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3073	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
2414	}	3081	}
2415	}
2416	}
2417	}
2418		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2419	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2420		3101
2421	Sends an ext event to the client.	3102	Sends an ext event to the client.
2422		3103
2423	=cut	3104	=cut
2424		3105
2425	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2427		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2430	}	3133	}
2431		3134
2432	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2433		3136
2434	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
…		…
2457		3160
2458	1	3161	1
2459	}	3162	}
2460		3163
2461	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2462	on_reply => sub {	3170	on_reply => sub {
2463	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2464		3172
2465	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2466	# get handled first	3174	# get handled first
…		…
2481	}	3189	}
2482	},	3190	},
2483	on_exticmd => sub {	3191	on_exticmd => sub {
2484	my ($ns, $buf) = @_;	3192	my ($ns, $buf) = @_;
2485		3193
2486	my $msg = eval { from_json $buf };	3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487		3195
2488	if (ref $msg) {	3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3204	if (my $cb = $EXTICMD{$type}) {
2490	if (my %reply = $cb->($ns, $msg)) {	3205	@reply = $cb->($ns, @payload);
2491	$reply{msgid} = $msg->{msgid};
2492	$ns->send ("ext " . cf::to_json \%reply);
2493	}
2494	}	3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
2495	} else {	3211	} else {
2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2497	}	3213	}
2498		3214
2499	cf::override;	3215	cf::override;
2500	},	3216	},
2501	);	3217	);
…		…
2521		3237
2522	$coro	3238	$coro
2523	}	3239	}
2524		3240
2525	cf::client->attach (	3241	cf::client->attach (
2526	on_destroy => sub {	3242	on_client_destroy => sub {
2527	my ($ns) = @_;	3243	my ($ns) = @_;
2528		3244
2529	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2530	},	3246	},
2531	);	3247	);
…		…
2546	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2547	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2548		3264
2549	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2550		3266
2551	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2552		3272
2553	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2554		3274
2555	=pod	3275	=pod
2556		3276
2557	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2558		3278
2559	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2560	cf::object::player player	3284	cf::object::player
2561	cf::player peaceful	3285	player
2562	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2563		3292
2564	=cut	3293	=cut
2565		3294
2566	for (	3295	for (
2567	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2568	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2569	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2570	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2571	) {	3302	) {
2572	no strict 'refs';
2573	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2574	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2575	for @funs;	3305	for @funs;
2576	}	3306	}
2577		3307
…		…
2592		3322
2593	my $qcode = $code;	3323	my $qcode = $code;
2594	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2595	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2596		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2597	local $_;	3330	local $_;
2598	local @safe::cf::_safe_eval_args = values %vars;
2599		3331
2600	my $eval =	3332	my $eval =
2601	"do {\n"	3333	"do {\n"
2602	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2603	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2604	. $code	3336	. $code
2605	. "\n}"	3337	. "\n}"
2606	;	3338	;
2607		3339
		3340	if ($CFG{safe_eval}) {
2608	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2609	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2610	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2611		3349
2612	if ($@) {	3350	if ($@) {
2613	warn "$@";	3351	warn "$@",
2614	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2615	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2616	}	3354	}
2617		3355
2618	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2619	}	3357	}
2620		3358
…		…
2634	=cut	3372	=cut
2635		3373
2636	sub register_script_function {	3374	sub register_script_function {
2637	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2638		3376
2639	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2640	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2641	}	3379	}
2642		3380
2643	=back	3381	=back
2644		3382
2645	=cut	3383	=cut
…		…
2648	# the server's init and main functions	3386	# the server's init and main functions
2649		3387
2650	sub load_facedata($) {	3388	sub load_facedata($) {
2651	my ($path) = @_;	3389	my ($path) = @_;
2652		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2653	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2654		3398
2655	my $facedata;
2656	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2657	or die "$path: $!";	3400	or die "$path: $!";
2658		3401
2659	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2660		3403
2661	$facedata->{version} == 2	3404	$facedata->{version} == 2
2662	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2663		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2664	{	3416	{
2665	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2666		3418
2667	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2672	Coro::cede;	3426
		3427	cf::cede_to_tick;
2673	}	3428	}
2674		3429
2675	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2676	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2677	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2678	or next;	3434	or next;
		3435
2679	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681	} else {	3439	} else {
2682	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2683	}	3441	}
2684	Coro::cede;	3442
		3443	cf::cede_to_tick;
2685	}	3444	}
2686	}	3445	}
2687		3446
2688	{	3447	{
2689	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2690		3449
2691	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2692	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2693	Coro::cede;	3452	cf::cede_to_tick;
2694	}	3453	}
2695		3454
2696	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2697	}	3456	}
2698		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2699	1	3477	1
2700	}	3478	}
2701		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2702	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2703	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2704	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2705	}	3510	}
2706		3511
2707	sub reload_facedata {	3512	sub reload_facedata {
2708	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2709	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2717	sub reload_treasures {	3522	sub reload_treasures {
2718	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2719	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2720	}	3525	}
2721		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2722	sub reload_resources {	3550	sub reload_resources {
2723	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2724		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2725	reload_regions;	3558	reload_regions;
2726	reload_facedata;
2727	#reload_archetypes;#d#
2728	reload_archetypes;
2729	reload_treasures;	3559	reload_treasures;
2730		3560
2731	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2732	}	3562	}
2733		3563
2734	sub init {	3564	sub reload_config {
2735	reload_resources;	3565	trace "reloading config file...\n";
2736	}
2737		3566
2738	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2739	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2740	or return;
2741		3569
2742	local $/;	3570	utf8::decode $config;
2743	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2744		3572
2745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2746		3574
2747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2749		3577
2750	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2754	};	3582	};
2755	warn $@ if $@;	3583	warn $@ if $@;
2756	}	3584	}
2757	}	3585	}
2758		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2759	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2760	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2761	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2762	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2763	(async {	3628	(async {
2764	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2765	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2766	};	3632	};
2767		3633
2768	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2769	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2770	load_extensions;	3657	load_extensions;
2771		3658
2772	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2773	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2774	}	3677	}
2775		3678
2776	#############################################################################	3679	#############################################################################
2777	# initialisation and cleanup	3680	# initialisation and cleanup
2778		3681
2779	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2780	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2781	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2782	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2783	reentrant => 0,
2784	data => WF_AUTOCANCEL,
2785	signal => $signal,
2786	prio => 0,
2787	cb => sub {
2788	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2789	},
2790	);	3688	};
2791	}	3689	}
2792	}	3690	}
2793		3691
2794	sub write_runtime {	3692	sub write_runtime_sync {
2795	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
2796		3694
2797	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
2798	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
2799		3697
2800	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2801		3699
2802	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
2803		3701
2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2805	or return;	3703	or return;
2806		3704
2807	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
2808	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
2809	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
2819	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
2820		3718
2821	close $fh	3719	close $fh
2822	or return;	3720	or return;
2823		3721
2824	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2825	and return;	3723	and return;
2826		3724
2827	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2828		3726
2829	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2830	}	3778	}
2831		3779
2832	sub emergency_save() {	3780	sub emergency_save() {
2833	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2834		3782
2835	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2836		3789
2837	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2838	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2839	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2840	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2841	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2842	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2843	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2844	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2845	$pl->save;	3801	$pl->save;
2846	}	3802	}
2847	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2848		3804
2849	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2850	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2851	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2852	$map->valid or next;	3810	$map->valid or next;
2853	$map->save;	3811	$map->save;
2854	}	3812	}
2855	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2856		3814
2857	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2858	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2859	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2860	};	3843	};
2861		3844
2862	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2863	}	3846	}
2864		3847
2865	sub post_cleanup {	3848	sub post_cleanup {
2866	my ($make_core) = @_;	3849	my ($make_core) = @_;
2867		3850
		3851	IO::AIO::flush;
		3852
2868	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2869	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2870	}	3883	}
2871		3884
2872	sub do_reload_perl() {	3885	sub do_reload_perl() {
2873	# can/must only be called in main	3886	# can/must only be called in main
2874	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2875	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2876	return;	3889	return;
2877	}	3890	}
2878		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2879	warn "reloading...";	3898	info "reloading...";
2880		3899
2881	warn "entering sync_job";	3900	trace "entering sync_job";
2882		3901
2883	cf::sync_job {	3902	cf::sync_job {
2884	cf::write_runtime; # external watchdog should not bark
2885	cf::emergency_save;	3903	#cf::emergency_save;
2886	cf::write_runtime; # external watchdog should not bark
2887		3904
2888	warn "syncing database to disk";
2889	BDB::db_env_txn_checkpoint $DB_ENV;
2890
2891	# if anything goes wrong in here, we should simply crash as we already saved
2892
2893	warn "cancelling all WF_AUTOCANCEL watchers";
2894	for (Event::all_watchers) {
2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2896	}
2897
2898	warn "flushing outstanding aio requests";
2899	for (;;) {
2900	BDB::flush;
2901	IO::AIO::flush;
2902	Coro::cede;
2903	last unless IO::AIO::nreqs || BDB::nreqs;
2904	warn "iterate...";
2905	}
2906
2907	++$RELOAD;
2908
2909	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2910	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2911	%EXT_CORO = ();	3907	%EXT_CORO = ();
2912		3908
2913	warn "removing commands";	3909	trace "removing commands";
2914	%COMMAND = ();	3910	%COMMAND = ();
2915		3911
2916	warn "removing ext/exti commands";	3912	trace "removing ext/exti commands";
2917	%EXTCMD = ();	3913	%EXTCMD = ();
2918	%EXTICMD = ();	3914	%EXTICMD = ();
2919		3915
2920	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2921	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2922	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2923		3919
2924	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2925	eval {	3921	eval {
2926	$cb->($pkg);	3922	$cb->($pkg);
2927	1	3923	1
2928	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2929	}	3929	}
2930		3930
2931	warn "... nuking $pkg";
2932	Symbol::delete_package $pkg;
2933	}
2934
2935	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2936	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2938		3934
2939	warn "... unloading $k";	3935	trace "... unloading $k";
2940	delete $INC{$k};	3936	delete $INC{$k};
2941		3937
2942	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2943	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2944		3940
2945	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2946	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2947	}	3946	}
2948		3947
2949	Symbol::delete_package $k;
2950	}
2951
2952	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2953	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2954	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2955		3951
2956	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2957	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2958	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2959		3955
2960	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2961	# and global variables created in xs	3957	# and global variables created in xs
2962	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2963		3959
2964	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2965		3961
2966	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2967	require cf;	3963	require cf;
2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2969		3965
2970	warn "loading config and database again";	3966	trace "loading config and database again";
2971	cf::cfg_load;	3967	cf::reload_config;
2972		3968
2973	warn "loading extensions";	3969	trace "loading extensions";
2974	cf::load_extensions;	3970	cf::load_extensions;
2975		3971
		3972	if ($REATTACH_ON_RELOAD) {
2976	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2977	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2978	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2979	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2980	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2981	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2982		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2983	warn "leaving sync_job";	3984	trace "leaving sync_job";
2984		3985
2985	1	3986	1
2986	} or do {	3987	} or do {
2987	warn $@;	3988	error $@;
2988	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2989	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2990	};	3994	}
2991		3995
2992	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2993	};	3998	};
2994		3999
2995	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2996		4001
2997	sub reload_perl() {	4002	sub reload_perl() {
2998	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2999	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
3000		4005
3001	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
3002	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
3003	after => 0,	4008
3004	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3005	cb => sub {
3006	do_reload_perl;	4010	do_reload_perl;
3007	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
3008	},	4012	};
3009	);	4013	};
3010	}	4014	}
3011		4015
3012	register_command "reload" => sub {	4016	register_command "reload" => sub {
3013	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
3014		4018
3015	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
3016	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
3017	async { reload_perl };	4023	reload_perl;
		4024	};
3018	}	4025	}
3019	};	4026	};
3020		4027
3021	unshift @INC, $LIBDIR;	4028	#############################################################################
3022		4029
3023	my $bug_warning = 0;	4030	my $bug_warning = 0;
3024		4031
3025	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
3026	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
3027		4034
3028	sub wait_for_tick {	4035	sub wait_for_tick() {
3029	return unless $TICK_WATCHER->is_active;
3030	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3031		4037
3032	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
3033	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
3034	$signal->wait;	4040	$signal->wait;
3035	}	4041	}
3036		4042
3037	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
3038	return unless $TICK_WATCHER->is_active;
3039	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3040		4045
3041	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
3042	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
3043	$signal->wait;	4048	$signal->wait;
3044	}	4049	}
3045		4050
3046	my $min = 1e6;#d#	4051	sub tick {
3047	my $avg = 10;
3048	$TICK_WATCHER = Event->timer (
3049	reentrant => 0,
3050	parked => 1,
3051	prio => 0,
3052	at => $NEXT_TICK || $TICK,
3053	data => WF_AUTOCANCEL,
3054	cb => sub {
3055	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3057	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3058	return;	4055	return;
3059	}	4056	}
3060		4057
3061	$NOW = $tick_start = Event::time;
3062
3063	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3064		4059
3065	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3066	for(1..10) {
3067	my $t = Event::time;
3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3069	or die;
3070		4061
3071	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3072	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3073	$map->alloc;	4064	Coro::async_pool {
3074	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3075	my $t = Event::time - $t;	4066	write_runtime_sync
3076		4067	or error "ERROR: unable to write runtime file: $!";
3077	#next unless $t < 0.0013;#d#
3078	if ($t < $min) {
3079	$min = $t;
3080	}
3081	$avg = $avg * 0.99 + $t * 0.01;
3082	}
3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3084	exit 0;
3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3086	};	4068	};
		4069	}
3087		4070
3088	$RUNTIME += $TICK;
3089	$NEXT_TICK += $TICK;
3090
3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
3093	Coro::async_pool {
3094	write_runtime
3095	or warn "ERROR: unable to write runtime file: $!";
3096	};
3097	}
3098
3099	# my $AFTER = Event::time;
3100	# warn $AFTER - $NOW;#d#
3101
3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3103	$sig->send;	4072	$sig->send;
3104	}	4073	}
3105	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3106	$sig->send;	4075	$sig->send;
3107	}	4076	}
3108		4077
3109	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3110
3111	# if we are delayed by four ticks or more, skip them all
3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3113
3114	$TICK_WATCHER->at ($NEXT_TICK);
3115	$TICK_WATCHER->start;
3116
3117	$LOAD = ($NOW - $tick_start) / $TICK;
3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3119		4080
3120	_post_tick;	4081	if (0) {
3121		4082	if ($NEXT_TICK) {
3122		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3123	},	4087	}
3124	);	4088	}
3125		4089
3126	{	4090	{
3127	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3128	$BDB_POLL_WATCHER = Event->io (	4092
3129	reentrant => 0,
3130	fd => BDB::poll_fileno,
3131	poll => 'r',
3132	prio => 0,
3133	data => WF_AUTOCANCEL,
3134	cb => \&BDB::poll_cb,
3135	);
3136	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3137		4094	BDB::max_poll_reqs $TICK * 0.1;
3138	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3139	my $status;
3140	my $current = $Coro::current;
3141	(
3142	sub {
3143	$status = $!;
3144	$current->ready; undef $current;
3145	},
3146	sub {
3147	Coro::schedule while defined $current;
3148	$! = $status;
3149	},
3150	)
3151	};
3152		4096
3153	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3154	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3155		4104
3156	cf::sync_job {	4105	cf::sync_job {
3157	eval {	4106	eval {
3158	BDB::db_env_open	4107	BDB::db_env_open
3159	$DB_ENV,	4108	$DB_ENV,
…		…
3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3163	0666;	4112	0666;
3164		4113
3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3166
3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3168	$DB_ENV->set_lk_detect;
3169	};	4115	};
3170		4116
3171	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3172	};	4118	};
3173	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3174	}	4130	}
3175		4131
3176	{	4132	{
		4133	# configure IO::AIO
		4134
3177	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3178
3179	undef $Coro::AIO::WATCHER;
3180	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3181	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3182	reentrant => 0,
3183	data => WF_AUTOCANCEL,
3184	fd => IO::AIO::poll_fileno,
3185	poll => 'r',
3186	prio => 6,
3187	cb => \&IO::AIO::poll_cb,
3188	);
3189	}	4138	}
3190		4139
3191	my $_log_backtrace;	4140	my $_log_backtrace;
3192		4141
3193	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3196	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3197		4146
3198	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3199	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3200	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3201	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3202	my @bt = fork_call {	4154	my @bt = fork_call {
3203	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3205	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3206	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3214	}	4166	}
3215		4167
3216	@funcs	4168	@funcs
3217	};	4169	};
3218		4170
3219	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3220	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3221	--$_log_backtrace;	4174	--$_log_backtrace;
3222	};	4175	};
3223	} else {	4176	} else {
3224	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3225	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3226	}	4179	}
3227	}	4180	}
3228		4181
3229	# load additional modules	4182	# load additional modules
3230	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3231		4185
3232	END { cf::emergency_save }	4186	END { cf::emergency_save }
3233		4187
3234	1	4188	1
3235		4189

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