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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.548 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	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
166	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
167	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.
168		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
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$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;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		387
251	=item cf::lock_wait $string	388	=item cf::lock_wait $string
252		389
253	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
254		391
255	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
256		393
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
260	returned.	397	returned.
261		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
262	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
263	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
264		404
265	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
266		406
267	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.
268		408
269	=cut	409	=cut
270		410
271	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
272		412
273	sub lock_wait($) {	413	sub lock_wait($) {
274	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	415	}
282		416
283	sub lock_acquire($) {	417	sub lock_acquire($) {
284	my ($key) = @_;	418	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	419	}
296		420
297	sub lock_active($) {	421	sub lock_active($) {
298	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	423	}
302		424
303	sub freeze_mainloop {	425	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
305		427
306	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
308	};	495	}
309	$TICK_WATCHER->stop;	496	};
310	$guard	497
		498	sub get_slot($;$$) {
		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	$sig->wait;
311	}	511	}
312		512
313	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
314		514
315	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		520
321	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
322		522
323	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
324		524
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	528	acceptable.
329		529
330	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	535	=cut
336		536
337	sub sync_job(&) {	537	sub sync_job(&) {
338	my ($job) = @_;	538	my ($job) = @_;
339		539
340	if ($Coro::current == $Coro::main) {	540	if (in_main) {
341	my $time = Event::time;	541	my $time = AE::time;
342		542
343	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
345		545
346	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	547
348	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
349		549
350	my $busy = 1;	550	my $busy = 1;
351	my @res;	551	my @res;
352		552
353	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	555	@res = eval { $job->() };
355	warn $@ if $@;	556	error $@ if $@;
356	undef $busy;	557	undef $busy;
357	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
358		559
359	while ($busy) {	560	while ($busy) {
360	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
361	}	565	}
		566	}
362		567
363	$time = Event::time - $time;	568	my $time = AE::time - $time;
364		569
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
369		571
370	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
371	} else {	573	} else {
372	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
373		575
…		…
393	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
394		596
395	$coro	597	$coro
396	}	598	}
397		599
398	=item fork_call { }, $args	600	=item fork_call { }, @args
399		601
400	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
404		606
405	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
406		612
407	sub fork_call(&@) {	613	sub fork_call(&@) {
408	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
409		615
410	# 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,
411	# or die "socketpair: $!";	617	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	618	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		619
415	if (my $pid = fork) {	620	my @res = Coro::Util::fork_eval {
416	close $fh2;	621	cf::post_fork;
		622	&$cb
		623	} @args;
417		624
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	625	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	626	}
420		627
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	628	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	664	}
441		665
442	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
443		667
444	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
447		671
448	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
449	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).
450		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
451	=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	}
452		701
453	our $DB;	702	our $DB;
454		703
455	sub db_init {	704	sub db_init {
456	unless ($DB) {	705	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	706	}
471		707
472	sub db_get($$) {	708	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
474		710
475	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
476	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
477		715
478	$! ? ()	716	$! ? ()
479	: $data	717	: $data
480	}
481	}	718	}
482		719
483	sub db_put($$$) {	720	sub db_put($$$) {
484	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	761	if (1) {
525	$md5 =	762	$md5 =
526	join "\x00",	763	join "\x00",
527	$processversion,	764	$processversion,
528	map {	765	map {
529	Coro::cede;	766	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	768	} 0.. $#$src;
532		769
533		770
534	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		778
542	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	780	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
545		782
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		784
548	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
551		788
…		…
561		798
562	=cut	799	=cut
563		800
564	sub datalog($@) {	801	sub datalog($@) {
565	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	804	}
568		805
569	=back	806	=back
570		807
571	=cut	808	=cut
572		809
573	#############################################################################	810	#############################################################################
574		811
575	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
576		813
577	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
578	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")
579	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
580		817
581	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>
582	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
583	Crossfire TRT).	820	Deliantra).
584		821
585	=over 4	822	=over 4
586		823
587	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
588		825
…		…
632	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
633		870
634	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
635	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
636		873
637	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
639		876
640	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
641		878
642	=over 4	879	=over 4
…		…
766		1003
767	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1006
770	} elsif (ref $type) {	1007	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
772		1009
773	} else {	1010	} else {
774	shift @arg;	1011	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
776	}	1013	}
777	}	1014	}
778	}	1015	}
779		1016
780	sub _object_attach {	1017	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
791	}	1028	}
792		1029
793	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
794	} else {	1031	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1033	}
797		1034
798	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
799	}	1036	}
800		1037
…		…
840	";	1077	";
841	die if $@;	1078	die if $@;
842	}	1079	}
843		1080
844	our $override;	1081	our $override;
845	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?
846		1083
847	sub override {	1084	sub override {
848	$override = 1;	1085	$override = 1;
849	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
850	}	1087	}
851		1088
852	sub do_invoke {	1089	sub do_invoke {
853	my $event = shift;	1090	my $event = shift;
854	my $callbacks = shift;	1091	my $callbacks = shift;
855		1092
856	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
857		1094
858	local $override;	1095	local $override;
859		1096
860	for (@$callbacks) {	1097	for (@$callbacks) {
861	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
862		1099
863	if ($@) {	1100	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1102	override;
867	}	1103	}
868		1104
869	return 1 if $override;	1105	return 1 if $override;
870	}	1106	}
871		1107
872	0	1108	0
873	}	1109	}
874		1110
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1112
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1114
879	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
880		1116
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1120
885	=back	1121	=back
886		1122
887	=cut	1123	=cut
888		1124
889	#############################################################################	1125	#############################################################################
890	# 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	}
891		1169
892	sub reattach {	1170	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1172	my ($obj) = @_;
895		1173
		1174	# no longer needed after getting rid of delete_package?
896	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
897		1176
898	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
899		1178
900	@$registry = ();	1179	@$registry = ();
901		1180
…		…
906	for (@$attach) {	1185	for (@$attach) {
907	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
909	}	1188	}
910	} else {	1189	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1191	}
913	}	1192	}
914	}	1193	}
915		1194
916	cf::attachable->attach (	1195	cf::attachable->attach (
917	prio => -1000000,	1196	prio => -1000000,
918	on_instantiate => sub {	1197	on_instantiate => sub {
919	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
920		1199
921	$data = from_json $data;	1200	$data = decode_json $data;
922		1201
923	for (@$data) {	1202	for (@$data) {
924	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
925		1204
926	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1221	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
944		1223
945	sync_job {	1224	sync_job {
946	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
949		1230
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1238	aio_close $fh;
955		1239
956	if (@$objs) {	1240	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1249	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
964	}	1251	}
965	} else {	1252	} else {
966	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
967	}	1254	}
968		1255
969	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1260	} else {
971	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
972	}	1262	}
973	} else {	1263	} else {
974	aio_unlink $filename;	1264	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
976	}	1266	}
977	}	1267	};
978	}	1268	}
979		1269
980	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
982		1272
…		…
994	or return;	1284	or return;
995		1285
996	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
998	or return;	1288	or return;
		1289
999	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1000	}	1292	}
1001		1293
		1294	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1004	return ($data, $av);	1299	($data, $av)
1005	}	1300	}
1006		1301
1007	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1008		1303
1009	=over 4	1304	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1325	}
1031		1326
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1328
1034	Register a callback fro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
1035		1334
1036	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
1037	called.	1336	called.
1038		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
1039	=cut	1349	=cut
1040		1350
1041	sub register_extcmd {	1351	sub register_extcmd {
1042	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
1043		1353
1044	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
1045	}	1355	}
1046		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
1047	cf::player->attach (	1365	cf::player->attach (
1048	on_command => sub {	1366	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1050		1368
1051	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1052	or return;	1370	or return;
1053		1371
…		…
1058	cf::override;	1376	cf::override;
1059	},	1377	},
1060	on_extcmd => sub {	1378	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1062		1380
1063	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1382
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1071	} else {	1398	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1400	}
1074		1401
1075	cf::override;	1402	cf::override;
1076	},	1403	},
1077	);	1404	);
1078		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
1079	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1080	cf::sync_job {	1422	cf::sync_job {
1081	my %todo;	1423	my %todo;
1082		1424
1083	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1426	next unless -r $path;
…		…
1102		1444
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1447
1106	$ext{source} =	1448	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1109	. $source	1451	. $source
1110	. "\n};\n1";	1452	. "\n};\n1";
1111		1453
1112	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1113	}	1455	}
1114		1456
		1457	my $pass = 0;
1115	my %done;	1458	my %done;
1116	while (%todo) {	1459	while (%todo) {
1117	my $progress;	1460	my $progress;
1118		1461
		1462	++$pass;
		1463
		1464	ext:
1119	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1467	next ext
1122	unless exists $done{$_};	1468	unless exists $done{$_};
1123	}	1469	}
1124		1470
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1472
1127	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1132	warn $msg;	1480
1133	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1482	delete $todo{$k};
1135	}	1483	} else {
1136		1484	$done{$k} = delete $todo{$k};
1137	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1138	}	1490	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1491	}
1144		1492
1145	skip:	1493	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1501	}
1149	};	1502	};
1150	}	1503	}
1151		1504
1152	#############################################################################	1505	#############################################################################
1153		1506
1154	=back	1507	=back
1155		1508
1156	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1157		1510
1158	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1159		1512
1160	=cut	1513	=cut
1161		1514
1162	package cf::player;	1515	package cf::player;
1163		1516
1164	use Coro::AIO;	1517	use Coro::AIO;
1165		1518
1166	=head3 cf::player	1519	=head3 cf::player
1167		1520
1168	=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	}
1169		1536
1170	=item cf::player::find $login	1537	=item cf::player::find $login
1171		1538
1172	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1173		1540
…		…
1192		1559
1193	sub exists($) {	1560	sub exists($) {
1194	my ($login) = @_;	1561	my ($login) = @_;
1195		1562
1196	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1198	}	1565	}
1199		1566
1200	sub find($) {	1567	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1569	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1580
1214	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1217	}	1590	}
1218	}	1591	}
1219	}	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	);
1220		1606
1221	sub save($) {	1607	sub save($) {
1222	my ($pl) = @_;	1608	my ($pl) = @_;
1223		1609
1224	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1230		1616
1231	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1235	Coro::cede;	1626	cf::cede_to_tick;
1236	}	1627	}
1237		1628
1238	sub new($) {	1629	sub new($) {
1239	my ($login) = @_;	1630	my ($login) = @_;
1240		1631
…		…
1246	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1247		1638
1248	$self	1639	$self
1249	}	1640	}
1250		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
1251	=item $pl->quit_character	1652	=item $pl->quit_character
1252		1653
1253	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
1254	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1255		1656
…		…
1259	my ($pl) = @_;	1660	my ($pl) = @_;
1260		1661
1261	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1262		1663
1263	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1264	$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
1265		1666
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$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
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1270		1675
1271	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1713	or return [];
1309		1714
1310	my @logins;	1715	my @logins;
1311		1716
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1316		1727
1317	utf8::decode $login;	1728	utf8::decode $login;
1318	push @logins, $login;	1729	push @logins, $login;
1319	}	1730	}
1320		1731
1321	\@logins	1732	\@logins
1322	}	1733	}
1323		1734
1324	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1325		1738
1326	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1327	player. May block.	1740	player. May block.
1328		1741
1329	=cut	1742	=cut
…		…
1347	}	1760	}
1348		1761
1349	\@paths	1762	\@paths
1350	}	1763	}
1351		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1352	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1353		1770
1354	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1355		1772
1356	=cut	1773	=cut
1357		1774
1358	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1360		1777
1361	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1779	}
1365		1780
1366	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1367		1782
1368	Sends an ext event to the client.	1783	Sends an ext event to the client.
1369		1784
1370	=cut	1785	=cut
1371		1786
1372	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1374		1789
1375	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1376	}	1791	}
1377		1792
1378	=head3 cf::region	1793	=head3 cf::region
1379		1794
1380	=over 4	1795	=over 4
…		…
1390	=cut	1805	=cut
1391		1806
1392	sub find_by_path($) {	1807	sub find_by_path($) {
1393	my ($path) = @_;	1808	my ($path) = @_;
1394		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1395	my ($match, $specificity);	1812	my ($match, $specificity);
1396		1813
1397	for my $region (list) {	1814	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1401	}	1818	}
1402	}	1819	}
1403		1820
…		…
1424	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1426		1843
1427	sub generate_random_map {	1844	sub generate_random_map {
1428	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
1429	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1850	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1872
1453	sub register {	1873	sub register {
1454	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1875	my $pkg = caller;
1456		1876
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1878
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1880	}
1462		1881
1463	# also paths starting with '/'	1882	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1884
1466	sub thawer_merge {	1885	sub thawer_merge {
1467	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1468		1887
1469	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1474	}	1893	}
1475		1894
1476	sub normalise {	1895	sub normalise {
1477	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1478		1897
1479	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1480		1899
1481	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1482		1901
1483	# map plan:	1902	# map plan:
1484	#	1903	#
…		…
1523	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1524	return $self;	1943	return $self;
1525	}	1944	}
1526	}	1945	}
1527		1946
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1948	()
1530	}	1949	}
1531		1950
1532	sub init {	1951	sub init {
1533	my ($self) = @_;	1952	my ($self) = @_;
…		…
1555		1974
1556	# the temporary/swap location	1975	# the temporary/swap location
1557	sub save_path {	1976	sub save_path {
1558	my ($self) = @_;	1977	my ($self) = @_;
1559		1978
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1562	}	1981	}
1563		1982
1564	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1565	sub uniq_path {	1984	sub uniq_path {
1566	my ($self) = @_;	1985	my ($self) = @_;
1567		1986
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1989	}
1580		1990
1581	sub decay_objects {	1991	sub decay_objects {
1582	my ($self) = @_;	1992	my ($self) = @_;
1583		1993
…		…
1596		2006
1597	sub load_header_from($) {	2007	sub load_header_from($) {
1598	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1599		2009
1600	utf8::encode $path;	2010	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	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;
1606		2019
1607	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1608		2021
1609	1	2022	1
1610	}	2023	}
…		…
1662		2075
1663	sub find;	2076	sub find;
1664	sub find {	2077	sub find {
1665	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1666		2079
		2080	cf::cede_to_tick;
		2081
1667	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1668		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2086
1671	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1674	or return;	2089	or return;
1675		2090
1676	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1677		2092
…		…
1679	or return;	2094	or return;
1680		2095
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1684	$map->reset;	2101	$map->reset;
1685	undef $guard;
1686	return find $path;	2102	return find $path;
1687	}	2103	}
1688		2104
1689	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1690	}	2106	}
1691	}	2107	}
1692		2108
1693	sub pre_load { }	2109	sub pre_load { }
1694	sub post_load { }	2110	#sub post_load { } # XS
1695		2111
1696	sub load {	2112	sub load {
1697	my ($self) = @_;	2113	my ($self) = @_;
1698		2114
1699	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1700		2116
1701	my $path = $self->{path};	2117	my $path = $self->{path};
1702		2118
1703	{	2119	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1705		2121
		2122	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2124
1708	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1709		2126
1710	$self->alloc;	2127	$self->alloc;
1711		2128
1712	$self->pre_load;	2129	$self->pre_load;
1713	Coro::cede;	2130	cf::cede_to_tick;
1714		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1716	or return;	2135	or return;
1717		2136
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1719	if delete $self->{load_original};	2138	if delete $self->{load_original};
1720		2139
1721	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2141	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2144	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1726	}	2148	}
1727	}	2149	}
1728		2150
1729	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1730	# now do the right thing for maps	2154	# now do the right thing for maps
1731	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2157	unless $self->difficulty;
1734	Coro::cede;	2158	cf::cede_to_tick;
1735		2159
1736	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2161	$self->decay_objects;
1738	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1739	$self->update_buttons;	2163	$self->update_buttons;
1740	Coro::cede;	2164	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2165	$self->activate;
1744	}	2166	}
1745		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2172	}
1748		2173
1749	$self->post_load;	2174	$self->post_load;
1750	}	2175	}
1751		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
1752	sub customise_for {	2180	sub customise_for {
1753	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1754		2182
1755	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2184	if $self->per_player;
…		…
1760		2188
1761	$self	2189	$self
1762	}	2190	}
1763		2191
1764	# 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
1765	sub load_diag {	2193	sub load_neighbours {
1766	my ($map) = @_;	2194	my ($map) = @_;
1767		2195
1768	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1769		2197
1770	for (0 .. 3) {	2198	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1772	or next;	2200	or next;
1773	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1774	or next;	2202	or next;
1775	$neigh->load;	2203	$neigh->load;
1776		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2209	}
1780		2210
1781	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1783	or next;	2214	or next;
1784	$neigh->load;	2215	$neigh->load;
1785	}	2216	}
1786	}	2217	}
1787		2218
1788	sub find_sync {	2219	sub find_sync {
1789	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1790		2221
1791	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
1792	}	2226	}
1793		2227
1794	sub do_load_sync {	2228	sub do_load_sync {
1795	my ($map) = @_;	2229	my ($map) = @_;
1796		2230
1797	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;
1798	}	2235	}
1799		2236
1800	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1802		2239
1803	sub find_async {	2240	sub find_async {
1804	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1805		2242
1806	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1807		2244
1808	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2247	}
1811		2248
1812	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1813	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1814	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2256	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2257	$map->load if $v;
		2258	}
1819		2259
1820	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1821	}	2261	}
1822	}	2262	}
1823	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1824	};	2264	};
1825	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1826		2266
1827	()	2267	()
1828	}	2268	}
1829		2269
		2270	# common code, used by both ->save and ->swapout
1830	sub save {	2271	sub _save {
1831	my ($self) = @_;	2272	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2273
1835	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1836		2275
1837	return unless $self->dirty;	2276	return unless $self->dirty;
1838		2277
…		…
1844	return if $self->{deny_save};	2283	return if $self->{deny_save};
1845		2284
1846	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1847		2286
1848	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1850	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1851		2293
1852	if ($uniq) {	2294	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2297	} else {
1856	$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);
1857	}	2299	}
1858	}	2300	}
1859		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1860	sub swap_out {	2310	sub swap_out {
1861	my ($self) = @_;	2311	my ($self) = @_;
1862		2312
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1868	return if $self->players;	2317	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		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
1872	$self->clear;	2328	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2329	}
1875		2330
1876	sub reset_at {	2331	sub reset_at {
1877	my ($self) = @_;	2332	my ($self) = @_;
1878		2333
…		…
1896		2351
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2353
1899	return if $self->players;	2354	return if $self->players;
1900		2355
1901	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1902		2357
1903	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1904		2359
1905	# need to save uniques path	2360	# need to save uniques path
1906	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2365	if $uniq;
1911	}	2366	}
1912		2367
1913	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1914		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2372	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2373
1919	$self->unlink_save;	2374	$self->unlink_save;
1920	$self->destroy;	2375	$self->destroy;
1921	}	2376	}
1922		2377
1923	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1924		2379
1925	sub nuke {	2380	sub nuke {
1926	my ($self) = @_;	2381	my ($self) = @_;
1927		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1928	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1929		2387
1930	$self->unlink_save;	2388	$self->unlink_save;
1931		2389
1932	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2395
1938	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1939		2398
1940	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1941	}	2400	}
1942		2401
1943	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
1985		2444
1986	sub unique_maps() {	2445	sub unique_maps() {
1987	[	2446	[
1988	map {	2447	map {
1989	utf8::decode $_;	2448	utf8::decode $_;
1990	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
1991	? normalise $_	2452	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2454	]
1995	}	2455	}
1996		2456
1997	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	}
1998		2488
1999	=back	2489	=back
2000		2490
2001	=head3 cf::object	2491	=head3 cf::object
2002		2492
…		…
2006		2496
2007	=over 4	2497	=over 4
2008		2498
2009	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2010		2500
2011	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.
2012		2503
2013	=cut	2504	=cut
2014		2505
2015	sub inv_recursive_;	2506	sub inv_recursive_;
2016	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2019		2510
2020	sub inv_recursive {	2511	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2022	}	2513	}
2023		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
2024	package cf;	2543	package cf;
2025		2544
2026	=back	2545	=back
2027		2546
2028	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2034	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>
2035	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
2036	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2037		2556
2038	=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	};
2039		2572
2040	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2574	# with dialog boxes.
2042	#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
2043	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2050		2583
2051	} else {	2584	} else {
2052	my $pl = $self->contr;	2585	my $pl = $self->contr;
2053		2586
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2590
2060	} else {	2591	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2594	}
2064	}	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 (@_);
2065	}	2606	}
2066		2607
2067	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
2068		2609
2069	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
2082		2623
2083	=item $player_object->enter_link	2624	=item $player_object->enter_link
2084		2625
2085	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}>).
2086		2627
2087	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.
2088	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.
2089		2632
2090	Will never block.	2633	Will never block.
2091		2634
2092	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2093		2636
…		…
2113	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2657	my ($self) = @_;
2115		2658
2116	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2117		2660
		2661	++$self->{_link_recursion};
		2662
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2664
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2122		2667
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2669	}
2125		2670
2126	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2128		2673
…		…
2145	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2147		2692
2148	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2151		2696
2152	$map->load;	2697	$map->load;
2153	$map->load_diag;	2698	$map->load_neighbours;
2154		2699
2155	return unless $self->contr->active;	2700	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2701
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2160	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2161		2709
		2710	}
		2711
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2713
2164	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
2165	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2167	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 >>.
2168		2722
2169	=cut	2723	=cut
2170		2724
2171	our $GOTOGEN;	2725	our $GOTOGEN;
2172		2726
2173	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2174	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	}
2175		2735
2176	# 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
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2738
2179	$self->enter_link;	2739	$self->enter_link;
2180		2740
2181	(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
2182	my $map = eval {	2763	my $map = eval {
2183	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2184		2765
2185	if ($map) {	2766	if ($map) {
2186	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2769	} else {
2189	$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);
2190	}	2771	}
2191		2772
2192	$map	2773	$map
2193	};	2774	};
2194		2775
…		…
2199		2780
2200	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2203	}	2784	}
		2785
		2786	$done->($self) if $done;
2204	})->prio (1);	2787	})->prio (1);
2205	}	2788	}
2206		2789
2207	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2208		2791
…		…
2228	}	2811	}
2229		2812
2230	sub prepare_random_map {	2813	sub prepare_random_map {
2231	my ($exit) = @_;	2814	my ($exit) = @_;
2232		2815
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2818	# that depends on the exit object
2238		2819
2239	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2822	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2246	}	2829	}
2247		2830
2248	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2249		2832
2250	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2253		2836
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2839	undef $fh;
2257	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2258		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2261	}	2848	}
2262	}	2849	}
2263		2850
2264	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2266		2853
2267	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2268		2855
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2856	$self->enter_link;
2281		2857
2282	(async {	2858	(async {
2283	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2284	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
2285	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2286		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
2287	1;	2882	1
2288	}) {	2883	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "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. "
2291	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2888
2294	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2890	$self->leave_link;
2296	}	2891	}
2297	})->prio (1);	2892	})->prio (1);
2298	}	2893	}
2299		2894
…		…
2313		2908
2314	utf8::encode $text;	2909	utf8::encode $text;
2315	$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);
2316	}	2911	}
2317		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
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		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
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		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);
		3081	}
		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
2318	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2319		3101
2320	Sends an exti event to the client.	3102	Sends an ext event to the client.
2321		3103
2322	=cut	3104	=cut
2323		3105
2324	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2326		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		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	}
2329	}	3133	}
2330		3134
2331	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2332		3136
2333	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3140
2337	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3142	become reliable at some point in the future.
2339		3143
2340	=cut	3144	=cut
2341		3145
2342	sub cf::client::query {	3146	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3155	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3157
2354	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2356	}	3162	}
2357		3163
2358	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2359	on_reply => sub {	3170	on_reply => sub {
2360	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2361		3172
2362	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2363	# get handled first	3174	# get handled first
…		…
2375	} else {	3186	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3188	}
2378	}	3189	}
2379	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		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
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2380	);	3217	);
2381		3218
2382	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2383		3220
2384	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3237
2401	$coro	3238	$coro
2402	}	3239	}
2403		3240
2404	cf::client->attach (	3241	cf::client->attach (
2405	on_destroy => sub {	3242	on_client_destroy => sub {
2406	my ($ns) = @_;	3243	my ($ns) = @_;
2407		3244
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3246	},
2410	);	3247	);
…		…
2425	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2427		3264
2428	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2429		3266
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2431		3272
2432	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2433		3274
2434	=pod	3275	=pod
2435		3276
2436	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2437		3278
2438	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2439	cf::object::player player	3284	cf::object::player
2440	cf::player peaceful	3285	player
2441	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2442		3292
2443	=cut	3293	=cut
2444		3294
2445	for (	3295	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2450	) {	3302	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3305	for @funs;
2455	}	3306	}
2456		3307
…		…
2471		3322
2472	my $qcode = $code;	3323	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2475		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2476	local $_;	3330	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3331
2479	my $eval =	3332	my $eval =
2480	"do {\n"	3333	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3336	. $code
2484	. "\n}"	3337	. "\n}"
2485	;	3338	;
2486		3339
		3340	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2490		3349
2491	if ($@) {	3350	if ($@) {
2492	warn "$@";	3351	warn "$@",
2493	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2495	}	3354	}
2496		3355
2497	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2498	}	3357	}
2499		3358
…		…
2513	=cut	3372	=cut
2514		3373
2515	sub register_script_function {	3374	sub register_script_function {
2516	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2517		3376
2518	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2520	}	3379	}
2521		3380
2522	=back	3381	=back
2523		3382
2524	=cut	3383	=cut
…		…
2527	# the server's init and main functions	3386	# the server's init and main functions
2528		3387
2529	sub load_facedata($) {	3388	sub load_facedata($) {
2530	my ($path) = @_;	3389	my ($path) = @_;
2531		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
2532	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2533		3398
2534	my $facedata;
2535	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2536	or die "$path: $!";	3400	or die "$path: $!";
2537		3401
2538	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2539		3403
2540	$facedata->{version} == 2	3404	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		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
2543	{	3416	{
2544	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2545		3418
2546	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3426
		3427	cf::cede_to_tick;
2552	}	3428	}
2553		3429
2554	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2556	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2557	or next;	3434	or next;
		3435
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3439	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3441	}
2563	Coro::cede;	3442
		3443	cf::cede_to_tick;
2564	}	3444	}
2565	}	3445	}
2566		3446
2567	{	3447	{
2568	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2569		3449
2570	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3452	cf::cede_to_tick;
2573	}	3453	}
2574		3454
2575	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2576	}	3456	}
2577		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} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2578	1	3477	1
2579	}	3478	}
2580		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($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	$status
		3496	}
		3497
2581	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2582	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2583	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 $_->{match};
		3509	}
2584	}	3510	}
2585		3511
2586	sub reload_facedata {	3512	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3522	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2599	}	3525	}
2600		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 => $face;
		3547	}
		3548	}
		3549
2601	sub reload_resources {	3550	sub reload_resources {
2602	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2603		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2604	reload_regions;	3558	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3559	reload_treasures;
2609		3560
2610	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2611	}	3562	}
2612		3563
2613	sub init {	3564	sub reload_config {
2614	reload_resources;	3565	trace "reloading config file...\n";
2615	}
2616		3566
2617	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2619	or return;
2620		3569
2621	local $/;	3570	utf8::decode $config;
2622	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2623		3572
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3574
2626	$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};
2627	$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};
2628		3577
2629	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2633	};	3582	};
2634	warn $@ if $@;	3583	warn $@ if $@;
2635	}	3584	}
2636	}	3585	}
2637		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
2638	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
2639	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2641	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#
2642	(async {	3628	(async {
2643	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2645	};	3632	};
2646		3633
2647	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;
2648	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
2649	load_extensions;	3657	load_extensions;
2650		3658
2651	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2652	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;
2653	}	3677	}
2654		3678
2655	#############################################################################	3679	#############################################################################
2656	# initialisation and cleanup	3680	# initialisation and cleanup
2657		3681
2658	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2659	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2668	},
2669	);	3688	};
2670	}	3689	}
2671	}	3690	}
2672		3691
2673	sub write_runtime {	3692	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
2675		3694
2676	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
2678		3697
2679	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3699
2681	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
2682		3701
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3703	or return;
2685		3704
2686	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
2699		3718
2700	close $fh	3719	close $fh
2701	or return;	3720	or return;
2702		3721
2703	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3723	and return;
2705		3724
2706	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3726
2708	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 };
2709	}	3778	}
2710		3779
2711	sub emergency_save() {	3780	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2713		3782
2714	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;
2715		3789
2716	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2717	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3801	$pl->save;
2725	}	3802	}
2726	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2727		3804
2728	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";
2729	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3810	$map->valid or next;
2732	$map->save;	3811	$map->save;
2733	}	3812	}
2734	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2735		3814
2736	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";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2738	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 $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3843	};
2740		3844
2741	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2742	}	3846	}
2743		3847
2744	sub post_cleanup {	3848	sub post_cleanup {
2745	my ($make_core) = @_;	3849	my ($make_core) = @_;
2746		3850
		3851	IO::AIO::flush;
		3852
2747	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2748	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	}
2749	}	3883	}
2750		3884
2751	sub do_reload_perl() {	3885	sub do_reload_perl() {
2752	# can/must only be called in main	3886	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2754	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2755	return;	3889	return;
2756	}	3890	}
2757		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2758	warn "reloading...";	3898	info "reloading...";
2759		3899
2760	warn "entering sync_job";	3900	trace "entering sync_job";
2761		3901
2762	cf::sync_job {	3902	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3903	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3904
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3907	%EXT_CORO = ();
2791		3908
2792	warn "removing commands";	3909	trace "removing commands";
2793	%COMMAND = ();	3910	%COMMAND = ();
2794		3911
2795	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2796	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2797		3915
2798	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2801		3919
2802	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3921	eval {
2804	$cb->($pkg);	3922	$cb->($pkg);
2805	1	3923	1
2806	} 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;
2807	}	3929	}
2808		3930
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3934
2817	warn "... unloading $k";	3935	trace "... unloading $k";
2818	delete $INC{$k};	3936	delete $INC{$k};
2819		3937
2820	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2822		3940
2823	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2825	}	3946	}
2826		3947
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2832	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);
2833		3951
2834	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3955
2838	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3957	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2841		3959
2842	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2843		3961
2844	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2845	require cf;	3963	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2847		3965
2848	warn "loading config and database again";	3966	trace "loading config and database again";
2849	cf::cfg_load;	3967	cf::reload_config;
2850		3968
2851	warn "loading extensions";	3969	trace "loading extensions";
2852	cf::load_extensions;	3970	cf::load_extensions;
2853		3971
		3972	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2860		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2861	warn "leaving sync_job";	3984	trace "leaving sync_job";
2862		3985
2863	1	3986	1
2864	} or do {	3987	} or do {
2865	warn $@;	3988	error $@;
2866	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2868	};	3994	}
2869		3995
2870	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2871	};	3998	};
2872		3999
2873	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2874		4001
2875	sub reload_perl() {	4002	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2878		4005
2879	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4008
2882	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4010	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2886	},	4012	};
2887	);	4013	};
2888	}	4014	}
2889		4015
2890	register_command "reload" => sub {	4016	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2892		4018
2893	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4023	reload_perl;
		4024	};
2896	}	4025	}
2897	};	4026	};
2898		4027
2899	unshift @INC, $LIBDIR;	4028	#############################################################################
2900		4029
2901	my $bug_warning = 0;	4030	my $bug_warning = 0;
2902		4031
2903	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2905		4034
2906	sub wait_for_tick {	4035	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4037
2910	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4040	$signal->wait;
2913	}	4041	}
2914		4042
2915	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4045
2919	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4048	$signal->wait;
2922	}	4049	}
2923		4050
2924	my $min = 1e6;#d#	4051	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2934	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"
2935	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2936	return;	4055	return;
2937	}	4056	}
2938		4057
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2942		4059
2943	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4061
2949	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4064	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4066	write_runtime_sync
2954		4067	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4068	};
		4069	}
2965		4070
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4072	$sig->send;
2982	}	4073	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4075	$sig->send;
2985	}	4076	}
2986		4077
2987	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4080
2998	_post_tick;	4081	if (0) {
2999		4082	if ($NEXT_TICK) {
3000		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3001	},	4087	}
3002	);	4088	}
3003		4089
3004	{	4090	{
3005	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4092
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3015		4094	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4096
3031	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3032	$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);
3033		4104
3034	cf::sync_job {	4105	cf::sync_job {
3035	eval {	4106	eval {
3036	BDB::db_env_open	4107	BDB::db_env_open
3037	$DB_ENV,	4108	$DB_ENV,
…		…
3039	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
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4112	0666;
3042		4113
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4115	};
3048		4116
3049	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4118	};
3051	}	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	};
3052	}	4130	}
3053		4131
3054	{	4132	{
		4133	# configure IO::AIO
		4134
3055	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4138	}
3068		4139
3069	my $_log_backtrace;	4140	my $_log_backtrace;
3070		4141
3071	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3075		4146
3076	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3079	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3080	my @bt = fork_call {	4154	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	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 |"
3084	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3092	}	4166	}
3093		4167
3094	@funcs	4168	@funcs
3095	};	4169	};
3096		4170
3097	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4174	--$_log_backtrace;
3100	};	4175	};
3101	} else {	4176	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4179	}
3105	}	4180	}
3106		4181
3107	# load additional modules	4182	# load additional modules
3108	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3109		4185
3110	END { cf::emergency_save }	4186	END { cf::emergency_save }
3111		4187
3112	1	4188	1
3113		4189

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