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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
53	our %EXTCMD = ();	87	our %EXTCMD = ();
54	our %EXTICMD = ();	88	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
57		91
58	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
60		96
61	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
62	our $DATADIR = datadir;	98	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
66	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
72		115
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	118	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
80		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
81	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
83		127
84	our %CFG;	128	our %CFG;
85		129
86	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
88		133
89	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
92		137
93	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		140
96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
97	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
99		150
100	binmode STDOUT;	151	binmode STDOUT;
101	binmode STDERR;	152	binmode STDERR;
102		153
103	# read virtual server time, if available	154	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
108	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
109		162
110	mkdir $_	163	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		165
113	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
114		167
115	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
116		184
117	#############################################################################	185	#############################################################################
118		186
119	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
120		188
…		…
156		224
157	The raw value load value from the last tick.	225	The raw value load value from the last tick.
158		226
159	=item %cf::CFG	227	=item %cf::CFG
160		228
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	230	from wherever your confdir points to.
163		231
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		233
166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
167	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
169		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
170	=back	250	=back
171		251
172	=cut	252	=cut
173		253
174	BEGIN {	254	$Coro::State::WARNHOOK = sub {
175	*CORE::GLOBAL::warn = sub {
176	my $msg = join "", @_;	255	my $msg = join "", @_;
177		256
178	$msg .= "\n"	257	$msg .= "\n"
179	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
180		259
181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
182		261
183	utf8::encode $msg;
184	LOG llevError, $msg;	262	LOG llevError, $msg;
185	};	263	};
186	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
187		278
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	289	for my $pkg (qw(
199	cf::global cf::attachable	290	cf::global cf::attachable
200	cf::object cf::object::player	291	cf::object cf::object::player
201	cf::client cf::player	292	cf::client cf::player
202	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
203	cf::map cf::party cf::region	295	cf::party cf::region
204	)) {	296	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	298	}
208		299
209	$Event::DIED = sub {	300	$EV::DIED = sub {
210	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
211	};	302	};
212		303
213	#############################################################################	304	#############################################################################
214		305
215	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
238	$d	329	$d
239	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
240	}	331	}
241		332
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
245		334
246	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
247		336
248	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
249		338
250	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
251		340
252	=cut	341	=cut
253		342
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		344
256	sub to_json ($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
258		361
259	=item cf::lock_wait $string	362	=item cf::lock_wait $string
260		363
261	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
262		365
263	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
264		367
265	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
268	returned.	371	returned.
269		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
270	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
272		378
273	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
274		380
275	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
276		382
277	=cut	383	=cut
278		384
279	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
280		386
281	sub lock_wait($) {	387	sub lock_wait($) {
282	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	389	}
290		390
291	sub lock_acquire($) {	391	sub lock_acquire($) {
292	my ($key) = @_;	392	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	393	}
304		394
305	sub lock_active($) {	395	sub lock_active($) {
306	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	397	}
310		398
311	sub freeze_mainloop {	399	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
313		401
314	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
316	};	469	}
317	$TICK_WATCHER->stop;	470	};
318	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
319	}	485	}
320		486
321	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
322		488
323	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		494
329	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
330		496
331	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
332		498
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	500	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	502	acceptable.
337		503
338	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		510
345	sub sync_job(&) {	511	sub sync_job(&) {
346	my ($job) = @_;	512	my ($job) = @_;
347		513
348	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	515	my $time = AE::time;
350		516
351	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
353		519
354	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	521
356	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
357		523
358	my $busy = 1;	524	my $busy = 1;
359	my @res;	525	my @res;
360		526
361	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	529	@res = eval { $job->() };
363	warn $@ if $@;	530	warn $@ if $@;
364	undef $busy;	531	undef $busy;
365	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
366		533
367	while ($busy) {	534	while ($busy) {
368	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
369	}	539	}
		540	}
370		541
371	$time = Event::time - $time;	542	my $time = AE::time - $time;
372		543
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
377		545
378	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
379	} else {	547	} else {
380	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
381		549
…		…
406	=item fork_call { }, $args	574	=item fork_call { }, $args
407		575
408	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
412		580
413	=cut	581	=cut
414		582
415	sub fork_call(&@) {	583	sub fork_call(&@) {
416	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
417		585
418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	586	# we seemingly have to make a local copy of the whole thing,
419	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		589
423	if (my $pid = fork) {	590	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	591	reset_signals;
436	local $SIG{__WARN__};	592	&$cb
437	local $SIG{__DIE__};	593	}, @args;
438	eval {
439	close $fh1;
440		594
441	my @res = eval { $cb->(@args) };	595	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	596	}
443	};
444		597
445	warn $@ if $@;	598	sub objinfo {
446	_exit 0;
447	}	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
448	}	634	}
449		635
450	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
451		637
452	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
455		641
456	Stores the given C<$value> in the family. It can currently store binary	642	Stores the given C<$value> in the family. It can currently store binary
457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
458		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
459	=cut	650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
460		668
461	our $DB;	669	our $DB;
462		670
463	sub db_init {	671	sub db_init {
464	unless ($DB) {
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {	672	cf::sync_job {
468	eval {	673	$DB ||= db_table "db";
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}	674	};
478	}	675	}
479		676
480	sub db_get($$) {	677	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
482		679
…		…
532	if (1) {	729	if (1) {
533	$md5 =	730	$md5 =
534	join "\x00",	731	join "\x00",
535	$processversion,	732	$processversion,
536	map {	733	map {
537	Coro::cede;	734	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	736	} 0.. $#$src;
540		737
541		738
542	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
580		777
581	#############################################################################	778	#############################################################################
582		779
583	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
584		781
585	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
586	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
587	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
588		785
589	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
590	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
591	Crossfire TRT).	788	Deliantra).
592		789
593	=over 4	790	=over 4
594		791
595	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
596		793
…		…
640	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
641		838
642	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
644		841
645	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
646	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
647		844
648	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
649		846
650	=over 4	847	=over 4
…		…
848	";	1045	";
849	die if $@;	1046	die if $@;
850	}	1047	}
851		1048
852	our $override;	1049	our $override;
853	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
854		1051
855	sub override {	1052	sub override {
856	$override = 1;	1053	$override = 1;
857	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
858	}	1055	}
859		1056
860	sub do_invoke {	1057	sub do_invoke {
861	my $event = shift;	1058	my $event = shift;
862	my $callbacks = shift;	1059	my $callbacks = shift;
863		1060
864	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
865		1062
866	local $override;	1063	local $override;
867		1064
868	for (@$callbacks) {	1065	for (@$callbacks) {
869	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
878	}	1075	}
879		1076
880	0	1077	0
881	}	1078	}
882		1079
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1081
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1083
887	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
888		1085
889	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
890	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
891	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1089
893	=back	1090	=back
894		1091
895	=cut	1092	=cut
896		1093
897	#############################################################################	1094	#############################################################################
898	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
899		1138
900	sub reattach {	1139	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1141	my ($obj) = @_;
903		1142
		1143	# no longer needed after getting rid of delete_package?
904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
905		1145
906	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
907		1147
908	@$registry = ();	1148	@$registry = ();
909		1149
…		…
924	cf::attachable->attach (	1164	cf::attachable->attach (
925	prio => -1000000,	1165	prio => -1000000,
926	on_instantiate => sub {	1166	on_instantiate => sub {
927	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
928		1168
929	$data = from_json $data;	1169	$data = decode_json $data;
930		1170
931	for (@$data) {	1171	for (@$data) {
932	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
933		1173
934	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1190	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
952		1192
953	sync_job {	1193	sync_job {
954	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
957		1198
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
962	close $fh;	1206	aio_close $fh;
963		1207
964	if (@$objs) {	1208	if (@$objs) {
965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
966	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
970	close $fh;	1217	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
972	}	1219	}
973	} else {	1220	} else {
974	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
975	}	1222	}
976		1223
977	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1228	} else {
979	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
980	}	1230	}
981	} else {	1231	} else {
982	aio_unlink $filename;	1232	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
984	}	1234	}
985	}	1235	};
986	}	1236	}
987		1237
988	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
990		1240
…		…
1002	or return;	1252	or return;
1003		1253
1004	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1256	or return;
		1257
1007	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1008	}	1260	}
1009		1261
		1262	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1012	return ($data, $av);	1266	($data, $av)
1013	}	1267	}
1014		1268
1015	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1016		1270
1017	=over 4	1271	=over 4
…		…
1071	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1072		1326
1073	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1074	}	1328	}
1075		1329
		1330	use File::Glob ();
		1331
1076	cf::player->attach (	1332	cf::player->attach (
1077	on_command => sub {	1333	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1079		1335
1080	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1081	or return;	1337	or return;
1082		1338
…		…
1087	cf::override;	1343	cf::override;
1088	},	1344	},
1089	on_extcmd => sub {	1345	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1091		1347
1092	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1349
1094	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1100	} else {	1365	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1367	}
1103		1368
1104	cf::override;	1369	cf::override;
1105	},	1370	},
1106	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
1107		1385
1108	sub load_extensions {	1386	sub load_extensions {
1109	cf::sync_job {	1387	cf::sync_job {
1110	my %todo;	1388	my %todo;
1111		1389
…		…
1131		1409
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1412
1135	$ext{source} =	1413	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1137	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1138	. $source	1416	. $source
1139	. "\n};\n1";	1417	. "\n};\n1";
1140		1418
1141	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1142	}	1420	}
1143		1421
		1422	my $pass = 0;
1144	my %done;	1423	my %done;
1145	while (%todo) {	1424	while (%todo) {
1146	my $progress;	1425	my $progress;
1147		1426
		1427	++$pass;
		1428
		1429	ext:
1148	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1432	next ext
1151	unless exists $done{$_};	1433	unless exists $done{$_};
1152	}	1434	}
1153		1435
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1437
1156	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1161	warn $msg;	1445
1162	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1447	delete $todo{$k};
1164	}	1448	} else {
1165		1449	$done{$k} = delete $todo{$k};
1166	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1167	}	1455	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1456	}
1173		1457
1174	skip:	1458	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1177	}	1466	}
1178	};	1467	};
1179	}	1468	}
1180		1469
1181	#############################################################################	1470	#############################################################################
1182		1471
1183	=back	1472	=back
1184		1473
1185	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1186		1475
1187	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1188		1477
1189	=cut	1478	=cut
1190		1479
1191	package cf::player;	1480	package cf::player;
1192		1481
1193	use Coro::AIO;	1482	use Coro::AIO;
1194		1483
1195	=head3 cf::player	1484	=head3 cf::player
1196		1485
1197	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1198		1501
1199	=item cf::player::find $login	1502	=item cf::player::find $login
1200		1503
1201	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1202		1505
…		…
1221		1524
1222	sub exists($) {	1525	sub exists($) {
1223	my ($login) = @_;	1526	my ($login) = @_;
1224		1527
1225	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1227	}	1530	}
1228		1531
1229	sub find($) {	1532	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1534	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1545
1243	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1246	}	1555	}
1247	}	1556	}
1248	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1249		1571
1250	sub save($) {	1572	sub save($) {
1251	my ($pl) = @_;	1573	my ($pl) = @_;
1252		1574
1253	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1259		1581
1260	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1262		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1263	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1264	Coro::cede;	1591	cf::cede_to_tick;
1265	}	1592	}
1266		1593
1267	sub new($) {	1594	sub new($) {
1268	my ($login) = @_;	1595	my ($login) = @_;
1269		1596
…		…
1275	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1276		1603
1277	$self	1604	$self
1278	}	1605	}
1279		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1280	=item $pl->quit_character	1617	=item $pl->quit_character
1281		1618
1282	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1284		1621
…		…
1288	my ($pl) = @_;	1625	my ($pl) = @_;
1289		1626
1290	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1291		1628
1292	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1631
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1296	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1298	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1299		1638
1300	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1337	or return [];	1676	or return [];
1338		1677
1339	my @logins;	1678	my @logins;
1340		1679
1341	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1345		1690
1346	utf8::decode $login;	1691	utf8::decode $login;
1347	push @logins, $login;	1692	push @logins, $login;
1348	}	1693	}
1349		1694
1350	\@logins	1695	\@logins
1351	}	1696	}
1352		1697
1353	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1354		1701
1355	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1356	player. May block.	1703	player. May block.
1357		1704
1358	=cut	1705	=cut
…		…
1376	}	1723	}
1377		1724
1378	\@paths	1725	\@paths
1379	}	1726	}
1380		1727
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1729
1383	Expand crossfire pod fragments into protocol xml.	1730	Expand deliantra pod fragments into protocol xml.
1384		1731
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1415		1733
1416	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1417		1735
1418	=cut	1736	=cut
1419		1737
1420	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1422		1740
1423	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1742	}
1426		1743
1427	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1428		1745
1429	Sends an ext event to the client.	1746	Sends an ext event to the client.
1430		1747
1431	=cut	1748	=cut
1432		1749
1433	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1435		1752
1436	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1437	}	1754	}
1438		1755
1439	=head3 cf::region	1756	=head3 cf::region
1440		1757
1441	=over 4	1758	=over 4
…		…
1451	=cut	1768	=cut
1452		1769
1453	sub find_by_path($) {	1770	sub find_by_path($) {
1454	my ($path) = @_;	1771	my ($path) = @_;
1455		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1456	my ($match, $specificity);	1775	my ($match, $specificity);
1457		1776
1458	for my $region (list) {	1777	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1462	}	1781	}
1463	}	1782	}
1464		1783
…		…
1485	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1487		1806
1488	sub generate_random_map {	1807	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1490	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1813	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1584	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1585	return $self;	1907	return $self;
1586	}	1908	}
1587	}	1909	}
1588		1910
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1590	()	1912	()
1591	}	1913	}
1592		1914
1593	sub init {	1915	sub init {
1594	my ($self) = @_;	1916	my ($self) = @_;
…		…
1616		1938
1617	# the temporary/swap location	1939	# the temporary/swap location
1618	sub save_path {	1940	sub save_path {
1619	my ($self) = @_;	1941	my ($self) = @_;
1620		1942
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1623	}	1945	}
1624		1946
1625	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1626	sub uniq_path {	1948	sub uniq_path {
1627	my ($self) = @_;	1949	my ($self) = @_;
1628		1950
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	1953	}
1641		1954
1642	sub decay_objects {	1955	sub decay_objects {
1643	my ($self) = @_;	1956	my ($self) = @_;
1644		1957
…		…
1657		1970
1658	sub load_header_from($) {	1971	sub load_header_from($) {
1659	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1660		1973
1661	utf8::encode $path;	1974	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1667		1983
1668	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1669		1985
1670	1	1986	1
1671	}	1987	}
…		…
1725	sub find {	2041	sub find {
1726	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1727		2043
1728	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1729		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2048
1732	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1735	or return;	2051	or return;
1736		2052
1737	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1738		2054
…		…
1740	or return;	2056	or return;
1741		2057
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1745	$map->reset;	2063	$map->reset;
1746	undef $guard;
1747	return find $path;	2064	return find $path;
1748	}	2065	}
1749		2066
1750	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1751	}	2068	}
1752	}	2069	}
1753		2070
1754	sub pre_load { }	2071	sub pre_load { }
1755	sub post_load { }	2072	#sub post_load { } # XS
1756		2073
1757	sub load {	2074	sub load {
1758	my ($self) = @_;	2075	my ($self) = @_;
1759		2076
1760	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1761		2078
1762	my $path = $self->{path};	2079	my $path = $self->{path};
1763		2080
1764	{	2081	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1766		2083
		2084	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2086
1769	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1770		2088
1771	$self->alloc;	2089	$self->alloc;
1772		2090
1773	$self->pre_load;	2091	$self->pre_load;
1774	Coro::cede;	2092	cf::cede_to_tick;
1775		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1777	or return;	2097	or return;
1778		2098
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1780	if delete $self->{load_original};	2100	if delete $self->{load_original};
1781		2101
1782	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2103	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2106	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1787	}	2110	}
1788	}	2111	}
1789		2112
1790	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1791	# now do the right thing for maps	2116	# now do the right thing for maps
1792	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2119	unless $self->difficulty;
1795	Coro::cede;	2120	cf::cede_to_tick;
1796		2121
1797	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2123	$self->decay_objects;
1799	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1800	$self->update_buttons;	2125	$self->update_buttons;
1801	Coro::cede;	2126	cf::cede_to_tick;
1802	$self->set_darkness_map;
1803	Coro::cede;
1804	$self->activate;	2127	$self->activate;
1805	}	2128	}
1806		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2134	}
1809		2135
1810	$self->post_load;	2136	$self->post_load;
1811	}	2137	}
1812		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2142	sub customise_for {
1814	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1815		2144
1816	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2146	if $self->per_player;
…		…
1821		2150
1822	$self	2151	$self
1823	}	2152	}
1824		2153
1825	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2155	sub load_neighbours {
1827	my ($map) = @_;	2156	my ($map) = @_;
1828		2157
1829	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1830		2159
1831	for (0 .. 3) {	2160	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1833	or next;	2162	or next;
1834	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1835	or next;	2164	or next;
1836	$neigh->load;	2165	$neigh->load;
1837		2166
		2167	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2170	}
1841		2171
1842	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1844	or next;	2175	or next;
1845	$neigh->load;	2176	$neigh->load;
1846	}	2177	}
1847	}	2178	}
1848		2179
…		…
1853	}	2184	}
1854		2185
1855	sub do_load_sync {	2186	sub do_load_sync {
1856	my ($map) = @_;	2187	my ($map) = @_;
1857		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1858	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1859	}	2193	}
1860		2194
1861	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1863		2197
1864	sub find_async {	2198	sub find_async {
1865	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1866		2200
1867	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1868		2202
1869	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2205	}
1872		2206
1873	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1874	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1875	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2214	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2215	$map->load if $v;
		2216	}
1880		2217
1881	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1882	}	2219	}
1883	}	2220	}
1884	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1885	};	2222	};
1886	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1887		2224
1888	()	2225	()
1889	}	2226	}
1890		2227
		2228	# common code, used by both ->save and ->swapout
1891	sub save {	2229	sub _save {
1892	my ($self) = @_;	2230	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2231
1896	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1897		2233
1898	return unless $self->dirty;	2234	return unless $self->dirty;
1899		2235
…		…
1905	return if $self->{deny_save};	2241	return if $self->{deny_save};
1906		2242
1907	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1908		2244
1909	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1911	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1912		2251
1913	if ($uniq) {	2252	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2255	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2257	}
1919	}	2258	}
1920		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1921	sub swap_out {	2268	sub swap_out {
1922	my ($self) = @_;	2269	my ($self) = @_;
1923		2270
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1929	return if $self->players;	2275	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1933	$self->clear;	2286	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2287	}
1936		2288
1937	sub reset_at {	2289	sub reset_at {
1938	my ($self) = @_;	2290	my ($self) = @_;
1939		2291
…		…
1957		2309
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2311
1960	return if $self->players;	2312	return if $self->players;
1961		2313
1962	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1963		2315
1964	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1965		2317
1966	# need to save uniques path	2318	# need to save uniques path
1967	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1971	if $uniq;	2323	if $uniq;
1972	}	2324	}
1973		2325
1974	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1975		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2330	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2331
1980	$self->unlink_save;	2332	$self->unlink_save;
1981	$self->destroy;	2333	$self->destroy;
1982	}	2334	}
1983		2335
1984	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1985		2337
1986	sub nuke {	2338	sub nuke {
1987	my ($self) = @_;	2339	my ($self) = @_;
1988		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1989	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1990		2345
1991	$self->unlink_save;	2346	$self->unlink_save;
1992		2347
1993	bless $self, "cf::map";	2348	bless $self, "cf::map";
1994	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2353
1999	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
2000		2356
2001	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
2002	}	2358	}
2003		2359
2004	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
2046		2402
2047	sub unique_maps() {	2403	sub unique_maps() {
2048	[	2404	[
2049	map {	2405	map {
2050	utf8::decode $_;	2406	utf8::decode $_;
2051	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
2052	? normalise $_	2410	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2412	]
2056	}	2413	}
2057		2414
2058	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
2059		2446
2060	=back	2447	=back
2061		2448
2062	=head3 cf::object	2449	=head3 cf::object
2063		2450
…		…
2067		2454
2068	=over 4	2455	=over 4
2069		2456
2070	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2071		2458
2072	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
2073		2461
2074	=cut	2462	=cut
2075		2463
2076	sub inv_recursive_;	2464	sub inv_recursive_;
2077	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2080		2468
2081	sub inv_recursive {	2469	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2083	}	2471	}
2084		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
2085	package cf;	2501	package cf;
2086		2502
2087	=back	2503	=back
2088		2504
2089	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2098		2514
2099	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
2100		2530
2101	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2532	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
2111		2541
2112	} else {	2542	} else {
2113	my $pl = $self->contr;	2543	my $pl = $self->contr;
2114		2544
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2548
2124	} else {	2549	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2552	}
2128	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
2129	}	2564	}
2130		2565
2131	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2132		2567
2133	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2146		2581
2147	=item $player_object->enter_link	2582	=item $player_object->enter_link
2148		2583
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2585
2151	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
2153		2590
2154	Will never block.	2591	Will never block.
2155		2592
2156	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2157		2594
…		…
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2620
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2186		2623
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2625	}
2189		2626
2190	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2192		2629
…		…
2209	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2211		2648
2212	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2215		2652
2216	$map->load;	2653	$map->load;
2217	$map->load_diag;	2654	$map->load_neighbours;
2218		2655
2219	return unless $self->contr->active;	2656	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2657
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2224	}
2225		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2227		2666
2228	Moves the player to the given map-path and coordinates by first freezing	2667	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2669	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2670	the new (success) or old (failed) map position. In either case, $done will
		2671	be called at the end of this process.
		2672
		2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
2232		2675
2233	=cut	2676	=cut
2234		2677
2235	our $GOTOGEN;	2678	our $GOTOGEN;
2236		2679
2237	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
2239		2682
2240	# do generation counting so two concurrent goto's will be executed in-order	2683	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2685
2243	$self->enter_link;	2686	$self->enter_link;
2244		2687
2245	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
2246	my $map = eval {	2710	my $map = eval {
2247	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
2248		2712
2249	if ($map) {	2713	if ($map) {
2250	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
2252	} else {	2716	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2718	}
2255		2719
2256	$map	2720	$map
2257	};	2721	};
2258		2722
…		…
2263		2727
2264	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
2267	}	2731	}
		2732
		2733	$done->() if $done;
2268	})->prio (1);	2734	})->prio (1);
2269	}	2735	}
2270		2736
2271	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2272		2738
…		…
2292	}	2758	}
2293		2759
2294	sub prepare_random_map {	2760	sub prepare_random_map {
2295	my ($exit) = @_;	2761	my ($exit) = @_;
2296		2762
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2765	# that depends on the exit object
2302		2766
2303	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2769	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2310	}	2776	}
2311		2777
2312	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2313		2779
2314	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2317		2783
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2786	undef $fh;
2321	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2322		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2325	}	2795	}
2326	}	2796	}
2327		2797
2328	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2330		2800
2331	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2332		2802
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2803	$self->enter_link;
2345		2804
2346	(async {	2805	(async {
2347	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2348	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2349	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2350		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2351	1;	2829	1
2352	}) {	2830	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2835
2358	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2377		2855
2378	utf8::encode $text;	2856	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2858	}
2381		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2886
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2887	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2888	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2889	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2890	the message unless the client supports the msg packet.
2388		2891
2389	=cut	2892	=cut
2390		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
2391	sub cf::client::send_msg {	3008	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3009	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3010
2394	$msg = $self->pl->expand_cfpod ($msg);	3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
2395		3013
2396	if ($self->can_msg) {	3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3015
2409	if ($color >= 0) {	3016	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3017	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3018	$channel = $CHANNEL{$channel};
2412	} else {	3019
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3020	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
2415	}	3028	}
2416	}
2417	}
2418	}
2419		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2420	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2421		3048
2422	Sends an ext event to the client.	3049	Sends an ext event to the client.
2423		3050
2424	=cut	3051	=cut
2425		3052
2426	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2428		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2431	}	3080	}
2432		3081
2433	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2434		3083
2435	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
…		…
2458		3107
2459	1	3108	1
2460	}	3109	}
2461		3110
2462	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2463	on_reply => sub {	3117	on_reply => sub {
2464	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2465		3119
2466	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2467	# get handled first	3121	# get handled first
…		…
2482	}	3136	}
2483	},	3137	},
2484	on_exticmd => sub {	3138	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3139	my ($ns, $buf) = @_;
2486		3140
2487	my $msg = eval { from_json $buf };	3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3142
2489	if (ref $msg) {	3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3151	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3152	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
2496	} else {	3158	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3160	}
2499		3161
2500	cf::override;	3162	cf::override;
…		…
2522		3184
2523	$coro	3185	$coro
2524	}	3186	}
2525		3187
2526	cf::client->attach (	3188	cf::client->attach (
2527	on_destroy => sub {	3189	on_client_destroy => sub {
2528	my ($ns) = @_;	3190	my ($ns) = @_;
2529		3191
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3193	},
2532	);	3194	);
…		…
2547	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2549		3211
2550	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2551		3213
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2553		3219
2554	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2555		3221
2556	=pod	3222	=pod
2557		3223
2558	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2559		3225
2560	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2561	cf::object::player player	3231	cf::object::player
2562	cf::player peaceful	3232	player
2563	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2564		3239
2565	=cut	3240	=cut
2566		3241
2567	for (	3242	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2572	) {	3249	) {
2573	no strict 'refs';	3250	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2593		3270
2594	my $qcode = $code;	3271	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2597		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2598	local $_;	3278	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3279
2601	my $eval =	3280	my $eval =
2602	"do {\n"	3281	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3284	. $code
2606	. "\n}"	3285	. "\n}"
2607	;	3286	;
2608		3287
		3288	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2612		3297
2613	if ($@) {	3298	if ($@) {
2614	warn "$@";	3299	warn "$@";
2615	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2616	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2635	=cut	3320	=cut
2636		3321
2637	sub register_script_function {	3322	sub register_script_function {
2638	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2639		3324
2640	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2642	}	3327	}
2643		3328
2644	=back	3329	=back
2645		3330
2646	=cut	3331	=cut
…		…
2648	#############################################################################	3333	#############################################################################
2649	# the server's init and main functions	3334	# the server's init and main functions
2650		3335
2651	sub load_facedata($) {	3336	sub load_facedata($) {
2652	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2653		3344
2654	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2655		3346
2656	my $facedata;	3347	my $facedata;
2657	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2660	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2661		3352
2662	$facedata->{version} == 2	3353	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2665	{	3365	{
2666	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2667		3367
2668	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3375
		3376	cf::cede_to_tick;
2674	}	3377	}
2675		3378
2676	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2678	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2679	or next;	3383	or next;
		3384
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3388	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3390	}
2685	Coro::cede;	3391
		3392	cf::cede_to_tick;
2686	}	3393	}
2687	}	3394	}
2688		3395
2689	{	3396	{
2690	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2691		3398
2692	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3401	cf::cede_to_tick;
2695	}	3402	}
2696		3403
2697	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2698	}	3405	}
2699		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2700	1	3426	1
2701	}	3427	}
2702		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2703	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2704	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2706	}	3479	}
2707		3480
2708	sub reload_facedata {	3481	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2721	}	3494	}
2722		3495
2723	sub reload_resources {	3496	sub reload_resources {
2724	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2725		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2726	reload_regions;	3501	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3502	reload_treasures;
2731		3503
2732	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2733	}	3505	}
2734		3506
2735	sub init {	3507	sub reload_config {
2736	reload_resources;	3508	warn "reloading config file...\n";
2737	}
2738		3509
2739	sub cfg_load {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3511	or return;
2742		3512
2743	local $/;	3513	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2745		3515
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2747		3517
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2753	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2754	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2755	};	3525	};
2756	warn $@ if $@;	3526	warn $@ if $@;
2757	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2758	}	3558	}
2759		3559
2760	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2761	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3573	(async {
2765	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2767	};	3577	};
2768		3578
2769	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2770	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2771	load_extensions;	3602	load_extensions;
2772		3603
2773	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2775	}	3617	}
2776		3618
2777	#############################################################################	3619	#############################################################################
2778	# initialisation and cleanup	3620	# initialisation and cleanup
2779		3621
2780	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2781	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2790	},
2791	);	3628	};
2792	}	3629	}
2793	}	3630	}
2794		3631
2795	sub write_runtime {	3632	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3633	my $t0 = AE::time;
2797		3634
2798	# first touch the runtime file to show we are still running:	3635	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3636	# the fsync below can take a very very long time.
2800		3637
2801	IO::AIO::aio_utime $runtime, undef, undef;	3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3639
2803	my $guard = cf::lock_acquire "write_runtime";	3640	my $guard = cf::lock_acquire "write_runtime";
2804		3641
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3643	or return;
2807		3644
2808	my $value = $cf::RUNTIME + 90 + 10;	3645	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3646	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3647	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3657	aio_utime $fh, undef, undef;
2821		3658
2822	close $fh	3659	close $fh
2823	or return;	3660	or return;
2824		3661
2825	aio_rename "$runtime~", $runtime	3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3663	and return;
2827		3664
2828	warn "runtime file written.\n";	3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		3666
2830	1	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2831	}	3718	}
2832		3719
2833	sub emergency_save() {	3720	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2835		3722
2836	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2837		3724
2838	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2839	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3739	$pl->save;
2847	}	3740	}
2848	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2849		3742
2850	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3746	$map->valid or next;
2854	$map->save;	3747	$map->save;
2855	}	3748	}
2856	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2857		3750
2858	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2861	};	3758	};
2862		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2863	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2864	}	3766	}
2865		3767
2866	sub post_cleanup {	3768	sub post_cleanup {
2867	my ($make_core) = @_;	3769	my ($make_core) = @_;
2868		3770
2869	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2871	}	3801	}
2872		3802
2873	sub do_reload_perl() {	3803	sub do_reload_perl() {
2874	# can/must only be called in main	3804	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2876	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2877	return;	3807	return;
2878	}	3808	}
2879		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2880	warn "reloading...";	3815	warn "reloading...";
2881		3816
2882	warn "entering sync_job";	3817	warn "entering sync_job";
2883		3818
2884	cf::sync_job {	3819	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2886	cf::emergency_save;	3821	cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2888		3823
2889	warn "syncing database to disk";	3824	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2891		3826
2892	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2893		3828
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2905	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();
2913
2914	warn "removing commands";
2915	%COMMAND = ();
2916
2917	warn "removing ext/exti commands";
2918	%EXTCMD = ();
2919	%EXTICMD = ();
2920
2921	warn "unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";
2924
2925	if (my $cb = $pkg->can ("unload")) {
2926	eval {
2927	$cb->($pkg);
2928	1
2929	} or warn "$pkg unloaded, but with errors: $@";
2930	}	3832	}
2931		3833
2932	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2933	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2934	}	3836	%EXT_CORO = ();
2935		3837
2936	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2937	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2940	warn "... unloading $k";	3847	warn "... unloading $pkg";
2941	delete $INC{$k};
2942		3848
2943	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;
2945
2946	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2947	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2948	}	3858	}
2949		3859
2950	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2951	}	3875	}
2952		3876
2953	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		3880
2957	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		3884
2961	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2962	# and global variables created in xs	3886	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2964		3888
2965	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2966		3890
2967	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2968	require cf;	3892	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2970		3894
2971	warn "loading config and database again";	3895	warn "loading config and database again";
2972	cf::cfg_load;	3896	cf::reload_config;
2973		3897
2974	warn "loading extensions";	3898	warn "loading extensions";
2975	cf::load_extensions;	3899	cf::load_extensions;
2976		3900
		3901	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2980	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2983		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2984	warn "leaving sync_job";	3913	warn "leaving sync_job";
2985		3914
2986	1	3915	1
2987	} or do {	3916	} or do {
2988	warn $@;	3917	warn $@;
2989	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2990	exit 1;
2991	};	3919	};
2992		3920
2993	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2994	};	3927	};
2995		3928
2996	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2997		3930
2998	sub reload_perl() {	3931	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
3001		3934
3002	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	3937
3005	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	3939	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
3009	},	3941	};
3010	);	3942	};
3011	}	3943	}
3012		3944
3013	register_command "reload" => sub {	3945	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
3015		3947
3016	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	3952	reload_perl;
		3953	};
3019	}	3954	}
3020	};	3955	};
3021		3956
3022	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
3023		3958
…		…
3025		3960
3026	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
3028		3963
3029	sub wait_for_tick {	3964	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3032		3966
3033	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	3969	$signal->wait;
3036	}	3970	}
3037		3971
3038	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		3974
3042	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	3977	$signal->wait;
3045	}	3978	}
3046		3979
3047	my $min = 1e6;#d#	3980	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
3059	return;	3984	return;
3060	}	3985	}
3061		3986
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
3065		3988
3066	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3067	for(1..10) {
3068	my $t = Event::time;
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3070	or die;
3071		3990
3072	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3073	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3074	$map->alloc;	3993	Coro::async_pool {
3075	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
3076	my $t = Event::time - $t;	3995	write_runtime_sync
3077		3996	or warn "ERROR: unable to write runtime file: $!";
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	3997	};
		3998	}
3088		3999
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4001	$sig->send;
3105	}	4002	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	4004	$sig->send;
3108	}	4005	}
3109		4006
3110	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4009
3121	_post_tick;	4010	if (0) {
3122		4011	if ($NEXT_TICK) {
3123		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
3124	},	4016	}
3125	);	4017	}
3126		4018
3127	{	4019	{
3128	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4021
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
3138		4023	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4025
3154	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4033
3157	cf::sync_job {	4034	cf::sync_job {
3158	eval {	4035	eval {
3159	BDB::db_env_open	4036	BDB::db_env_open
3160	$DB_ENV,	4037	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4041	0666;
3165		4042
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4044	};
3171		4045
3172	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4047	};
3174	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
3175	}	4059	}
3176		4060
3177	{	4061	{
		4062	# configure IO::AIO
		4063
3178	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4067	}
3191		4068
3192	my $_log_backtrace;	4069	my $_log_backtrace;
3193		4070
3194	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3197	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3198		4075
3199	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3202	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3203	my @bt = fork_call {	4083	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3215	}	4095	}
3216		4096
3217	@funcs	4097	@funcs
3218	};	4098	};
3219		4099
3220	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4103	--$_log_backtrace;
3223	};	4104	};
3224	} else {	4105	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3227	}	4108	}
3228	}	4109	}
3229		4110
3230	# load additional modules	4111	# load additional modules
3231	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3232		4114
3233	END { cf::emergency_save }	4115	END { cf::emergency_save }
3234		4116
3235	1	4117	1
3236		4118

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