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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.309 by elmex, Mon Jul 16 15:27:06 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
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		115
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	118	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		150
102	binmode STDOUT;	151	binmode STDOUT;
103	binmode STDERR;	152	binmode STDERR;
104		153
105	# read virtual server time, if available	154	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
110	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
111		162
112	mkdir $_	163	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		165
115	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
116		167
117	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::"} };
118		184
119	#############################################################################	185	#############################################################################
120		186
121	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
122		188
…		…
158		224
159	The raw value load value from the last tick.	225	The raw value load value from the last tick.
160		226
161	=item %cf::CFG	227	=item %cf::CFG
162		228
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	230	from wherever your confdir points to.
165		231
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		233
168	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
169	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
170	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.
171		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
172	=back	250	=back
173		251
174	=cut	252	=cut
175		253
176	BEGIN {	254	$Coro::State::WARNHOOK = sub {
177	*CORE::GLOBAL::warn = sub {
178	my $msg = join "", @_;	255	my $msg = join "", @_;
179		256
180	$msg .= "\n"	257	$msg .= "\n"
181	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
182		259
183	$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;
184		261
185	utf8::encode $msg;
186	LOG llevError, $msg;	262	LOG llevError, $msg;
187	};	263	};
188	}	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	};
189		278
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	289	for my $pkg (qw(
201	cf::global cf::attachable	290	cf::global cf::attachable
202	cf::object cf::object::player	291	cf::object cf::object::player
203	cf::client cf::player	292	cf::client cf::player
204	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
205	cf::map cf::party cf::region	295	cf::party cf::region
206	)) {	296	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	298	}
210		299
211	$Event::DIED = sub {	300	$EV::DIED = sub {
212	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
213	};	302	};
214		303
215	#############################################################################	304	#############################################################################
216		305
217	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
239	$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;
240	$d	329	$d
241	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
242	}	331	}
243		332
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->utf8->max_size (1e6); # accept ~1mb max	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
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		582
424	sub fork_call(&@) {	583	sub fork_call(&@) {
425	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
426		585
427	# 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,
428	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		589
432	if (my $pid = fork) {	590	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	591	reset_signals;
446	local $SIG{__WARN__};	592	&$cb
447	local $SIG{__DIE__};	593	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		594
454	eval {	595	wantarray ? @res : $res[-1]
455	close $fh1;	596	}
456		597
457	my @res = eval { $cb->(@args) };	598	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	634	}
467		635
468	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
469		637
470	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
473		641
474	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
475	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).
476		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
477	=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	}
478		668
479	our $DB;	669	our $DB;
480		670
481	sub db_init {	671	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	672	cf::sync_job {
486	eval {	673	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	674	};
496	}	675	}
497		676
498	sub db_get($$) {	677	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
500		679
…		…
550	if (1) {	729	if (1) {
551	$md5 =	730	$md5 =
552	join "\x00",	731	join "\x00",
553	$processversion,	732	$processversion,
554	map {	733	map {
555	Coro::cede;	734	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	736	} 0.. $#$src;
558		737
559		738
560	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		777
599	#############################################################################	778	#############################################################################
600		779
601	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
602		781
603	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
604	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")
605	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
606		785
607	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>
608	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
609	Crossfire TRT).	788	Deliantra).
610		789
611	=over 4	790	=over 4
612		791
613	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
614		793
…		…
658	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
659		838
660	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
661	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
662		841
663	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		844
666	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
667		846
668	=over 4	847	=over 4
…		…
866	";	1045	";
867	die if $@;	1046	die if $@;
868	}	1047	}
869		1048
870	our $override;	1049	our $override;
871	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?
872		1051
873	sub override {	1052	sub override {
874	$override = 1;	1053	$override = 1;
875	@invoke_results = (@_);	1054	@INVOKE_RESULTS = (@_);
876	}	1055	}
877		1056
878	sub do_invoke {	1057	sub do_invoke {
879	my $event = shift;	1058	my $event = shift;
880	my $callbacks = shift;	1059	my $callbacks = shift;
881		1060
882	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
883		1062
884	local $override;	1063	local $override;
885		1064
886	for (@$callbacks) {	1065	for (@$callbacks) {
887	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
896	}	1075	}
897		1076
898	0	1077	0
899	}	1078	}
900		1079
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1081
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1083
905	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
906		1085
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1089
911	=back	1090	=back
912		1091
913	=cut	1092	=cut
914		1093
915	#############################################################################	1094	#############################################################################
916	# 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	}
917		1138
918	sub reattach {	1139	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1141	my ($obj) = @_;
921		1142
		1143	# no longer needed after getting rid of delete_package?
922	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
923		1145
924	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
925		1147
926	@$registry = ();	1148	@$registry = ();
927		1149
…		…
942	cf::attachable->attach (	1164	cf::attachable->attach (
943	prio => -1000000,	1165	prio => -1000000,
944	on_instantiate => sub {	1166	on_instantiate => sub {
945	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
946		1168
947	$data = from_json $data;	1169	$data = decode_json $data;
948		1170
949	for (@$data) {	1171	for (@$data) {
950	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
951		1173
952	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1190	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
970		1192
971	sync_job {	1193	sync_job {
972	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
975		1198
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1206	aio_close $fh;
981		1207
982	if (@$objs) {	1208	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1217	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
990	}	1219	}
991	} else {	1220	} else {
992	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
993	}	1222	}
994		1223
995	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1228	} else {
997	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
998	}	1230	}
999	} else {	1231	} else {
1000	aio_unlink $filename;	1232	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
1002	}	1234	}
1003	}	1235	};
1004	}	1236	}
1005		1237
1006	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
1008		1240
…		…
1020	or return;	1252	or return;
1021		1253
1022	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1256	or return;
		1257
1025	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1026	}	1260	}
1027		1261
		1262	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1030	return ($data, $av);	1266	($data, $av)
1031	}	1267	}
1032		1268
1033	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1034		1270
1035	=over 4	1271	=over 4
…		…
1089	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1090		1326
1091	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1092	}	1328	}
1093		1329
		1330	use File::Glob ();
		1331
1094	cf::player->attach (	1332	cf::player->attach (
1095	on_command => sub {	1333	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1097		1335
1098	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1099	or return;	1337	or return;
1100		1338
…		…
1108	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1109		1347
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1349
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1118	} else {	1365	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1367	}
1121		1368
1122	cf::override;	1369	cf::override;
1123	},	1370	},
1124	);	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	}
1125		1385
1126	sub load_extensions {	1386	sub load_extensions {
1127	cf::sync_job {	1387	cf::sync_job {
1128	my %todo;	1388	my %todo;
1129		1389
…		…
1149		1409
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1412
1153	$ext{source} =	1413	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1156	. $source	1416	. $source
1157	. "\n};\n1";	1417	. "\n};\n1";
1158		1418
1159	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1160	}	1420	}
1161		1421
		1422	my $pass = 0;
1162	my %done;	1423	my %done;
1163	while (%todo) {	1424	while (%todo) {
1164	my $progress;	1425	my $progress;
1165		1426
		1427	++$pass;
		1428
		1429	ext:
1166	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1432	next ext
1169	unless exists $done{$_};	1433	unless exists $done{$_};
1170	}	1434	}
1171		1435
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1437
1174	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1179	warn $msg;	1445
1180	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1447	delete $todo{$k};
1182	}	1448	} else {
1183		1449	$done{$k} = delete $todo{$k};
1184	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1185	}	1455	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1456	}
1191		1457
1192	skip:	1458	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1466	}
1196	};	1467	};
1197	}	1468	}
1198		1469
1199	#############################################################################	1470	#############################################################################
1200		1471
1201	=back	1472	=back
1202		1473
1203	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1204		1475
1205	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1206		1477
1207	=cut	1478	=cut
1208		1479
1209	package cf::player;	1480	package cf::player;
1210		1481
1211	use Coro::AIO;	1482	use Coro::AIO;
1212		1483
1213	=head3 cf::player	1484	=head3 cf::player
1214		1485
1215	=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	}
1216		1501
1217	=item cf::player::find $login	1502	=item cf::player::find $login
1218		1503
1219	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1220		1505
…		…
1239		1524
1240	sub exists($) {	1525	sub exists($) {
1241	my ($login) = @_;	1526	my ($login) = @_;
1242		1527
1243	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1245	}	1530	}
1246		1531
1247	sub find($) {	1532	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1534	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1545
1261	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1264	}	1555	}
1265	}	1556	}
1266	}	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	);
1267		1571
1268	sub save($) {	1572	sub save($) {
1269	my ($pl) = @_;	1573	my ($pl) = @_;
1270		1574
1271	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1277		1581
1278	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1282	Coro::cede;	1591	cf::cede_to_tick;
1283	}	1592	}
1284		1593
1285	sub new($) {	1594	sub new($) {
1286	my ($login) = @_;	1595	my ($login) = @_;
1287		1596
…		…
1293	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1294		1603
1295	$self	1604	$self
1296	}	1605	}
1297		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
1298	=item $pl->quit_character	1617	=item $pl->quit_character
1299		1618
1300	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
1301	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1302		1621
…		…
1306	my ($pl) = @_;	1625	my ($pl) = @_;
1307		1626
1308	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1309		1628
1310	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1311	$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
1312		1631
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1317		1638
1318	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1676	or return [];
1356		1677
1357	my @logins;	1678	my @logins;
1358		1679
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1363		1690
1364	utf8::decode $login;	1691	utf8::decode $login;
1365	push @logins, $login;	1692	push @logins, $login;
1366	}	1693	}
1367		1694
1368	\@logins	1695	\@logins
1369	}	1696	}
1370		1697
1371	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1372		1701
1373	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1374	player. May block.	1703	player. May block.
1375		1704
1376	=cut	1705	=cut
…		…
1394	}	1723	}
1395		1724
1396	\@paths	1725	\@paths
1397	}	1726	}
1398		1727
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1729
1401	Expand crossfire pod fragments into protocol xml.	1730	Expand deliantra pod fragments into protocol xml.
1402		1731
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1450		1733
1451	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1452		1735
1453	=cut	1736	=cut
1454		1737
1455	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1457		1740
1458	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1742	}
1461		1743
1462	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1463		1745
1464	Sends an ext event to the client.	1746	Sends an ext event to the client.
1465		1747
1466	=cut	1748	=cut
1467		1749
1468	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1470		1752
1471	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1472	}	1754	}
1473		1755
1474	=head3 cf::region	1756	=head3 cf::region
1475		1757
1476	=over 4	1758	=over 4
…		…
1485		1767
1486	=cut	1768	=cut
1487		1769
1488	sub find_by_path($) {	1770	sub find_by_path($) {
1489	my ($path) = @_;	1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
1490		1774
1491	my ($match, $specificity);	1775	my ($match, $specificity);
1492		1776
1493	for my $region (list) {	1777	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1778	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1522		1806
1523	sub generate_random_map {	1807	sub generate_random_map {
1524	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
1525	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1813	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1651		1938
1652	# the temporary/swap location	1939	# the temporary/swap location
1653	sub save_path {	1940	sub save_path {
1654	my ($self) = @_;	1941	my ($self) = @_;
1655		1942
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1658	}	1945	}
1659		1946
1660	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1661	sub uniq_path {	1948	sub uniq_path {
1662	my ($self) = @_;	1949	my ($self) = @_;
1663		1950
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1953	}
1676		1954
1677	sub decay_objects {	1955	sub decay_objects {
1678	my ($self) = @_;	1956	my ($self) = @_;
1679		1957
…		…
1692		1970
1693	sub load_header_from($) {	1971	sub load_header_from($) {
1694	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1695		1973
1696	utf8::encode $path;	1974	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		1983
1703	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1704		1985
1705	1	1986	1
1706	}	1987	}
…		…
1760	sub find {	2041	sub find {
1761	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1762		2043
1763	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1764		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2048
1767	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1770	or return;	2051	or return;
1771		2052
1772	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1773		2054
…		…
1775	or return;	2056	or return;
1776		2057
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1780	$map->reset;	2063	$map->reset;
1781	undef $guard;
1782	return find $path;	2064	return find $path;
1783	}	2065	}
1784		2066
1785	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1786	}	2068	}
1787	}	2069	}
1788		2070
1789	sub pre_load { }	2071	sub pre_load { }
1790	sub post_load { }	2072	#sub post_load { } # XS
1791		2073
1792	sub load {	2074	sub load {
1793	my ($self) = @_;	2075	my ($self) = @_;
1794		2076
1795	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1796		2078
1797	my $path = $self->{path};	2079	my $path = $self->{path};
1798		2080
1799	{	2081	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1801		2083
		2084	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2086
1804	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1805		2088
1806	$self->alloc;	2089	$self->alloc;
1807		2090
1808	$self->pre_load;	2091	$self->pre_load;
1809	Coro::cede;	2092	cf::cede_to_tick;
1810		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1812	or return;	2097	or return;
1813		2098
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1815	if delete $self->{load_original};	2100	if delete $self->{load_original};
1816		2101
1817	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2103	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2106	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1822	}	2110	}
1823	}	2111	}
1824		2112
1825	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1826	# now do the right thing for maps	2116	# now do the right thing for maps
1827	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2119	unless $self->difficulty;
1830	Coro::cede;	2120	cf::cede_to_tick;
1831		2121
1832	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2123	$self->decay_objects;
1834	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1835	$self->update_buttons;	2125	$self->update_buttons;
1836	Coro::cede;	2126	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2127	$self->activate;
1840	}	2128	}
1841		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2134	}
1844		2135
1845	$self->post_load;	2136	$self->post_load;
1846	}	2137	}
1847		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
1848	sub customise_for {	2142	sub customise_for {
1849	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1850		2144
1851	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2146	if $self->per_player;
…		…
1856		2150
1857	$self	2151	$self
1858	}	2152	}
1859		2153
1860	# 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
1861	sub load_diag {	2155	sub load_neighbours {
1862	my ($map) = @_;	2156	my ($map) = @_;
1863		2157
1864	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1865		2159
1866	for (0 .. 3) {	2160	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1868	or next;	2162	or next;
1869	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1870	or next;	2164	or next;
1871	$neigh->load;	2165	$neigh->load;
1872		2166
		2167	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2170	}
1876		2171
1877	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1879	or next;	2175	or next;
1880	$neigh->load;	2176	$neigh->load;
1881	}	2177	}
1882	}	2178	}
1883		2179
…		…
1888	}	2184	}
1889		2185
1890	sub do_load_sync {	2186	sub do_load_sync {
1891	my ($map) = @_;	2187	my ($map) = @_;
1892		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1893	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1894	}	2193	}
1895		2194
1896	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1898		2197
1899	sub find_async {	2198	sub find_async {
1900	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1901		2200
1902	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1903		2202
1904	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2205	}
1907		2206
1908	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1909	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1910	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2214	if (my $map = find $k) {
1913	$map->load;	2215	$map->load if $v;
1914	}	2216	}
1915		2217
1916	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1917	}	2219	}
1918	}	2220	}
1919	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1920	};	2222	};
1921	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1922		2224
1923	()	2225	()
1924	}	2226	}
1925		2227
		2228	# common code, used by both ->save and ->swapout
1926	sub save {	2229	sub _save {
1927	my ($self) = @_;	2230	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2231
1931	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1932		2233
1933	return unless $self->dirty;	2234	return unless $self->dirty;
1934		2235
…		…
1940	return if $self->{deny_save};	2241	return if $self->{deny_save};
1941		2242
1942	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1943		2244
1944	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1946	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1947		2251
1948	if ($uniq) {	2252	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2255	} else {
1952	$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);
1953	}	2257	}
1954	}	2258	}
1955		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1956	sub swap_out {	2268	sub swap_out {
1957	my ($self) = @_;	2269	my ($self) = @_;
1958		2270
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1964	return if $self->players;	2275	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		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
1968	$self->clear;	2286	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2287	}
1971		2288
1972	sub reset_at {	2289	sub reset_at {
1973	my ($self) = @_;	2290	my ($self) = @_;
1974		2291
…		…
1992		2309
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2311
1995	return if $self->players;	2312	return if $self->players;
1996		2313
1997	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1998		2315
1999	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
2000		2317
2001	# need to save uniques path	2318	# need to save uniques path
2002	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2323	if $uniq;
2007	}	2324	}
2008		2325
2009	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
2010		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2330	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2331
2015	$self->unlink_save;	2332	$self->unlink_save;
2016	$self->destroy;	2333	$self->destroy;
2017	}	2334	}
2018		2335
2019	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
2020		2337
2021	sub nuke {	2338	sub nuke {
2022	my ($self) = @_;	2339	my ($self) = @_;
2023		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
2024	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2025		2345
2026	$self->unlink_save;	2346	$self->unlink_save;
2027		2347
2028	bless $self, "cf::map";	2348	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2353
2034	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
2035		2356
2036	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
2037	}	2358	}
2038		2359
2039	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
2081		2402
2082	sub unique_maps() {	2403	sub unique_maps() {
2083	[	2404	[
2084	map {	2405	map {
2085	utf8::decode $_;	2406	utf8::decode $_;
2086	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
2087	? normalise $_	2410	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2412	]
2091	}	2413	}
2092		2414
2093	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	}
2094		2446
2095	=back	2447	=back
2096		2448
2097	=head3 cf::object	2449	=head3 cf::object
2098		2450
…		…
2102		2454
2103	=over 4	2455	=over 4
2104		2456
2105	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2106		2458
2107	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.
2108		2461
2109	=cut	2462	=cut
2110		2463
2111	sub inv_recursive_;	2464	sub inv_recursive_;
2112	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2115		2468
2116	sub inv_recursive {	2469	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2118	}	2471	}
2119		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
2120	package cf;	2501	package cf;
2121		2502
2122	=back	2503	=back
2123		2504
2124	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2133		2514
2134	=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	};
2135		2530
2136	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2532	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
2146		2541
2147	} else {	2542	} else {
2148	my $pl = $self->contr;	2543	my $pl = $self->contr;
2149		2544
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2548
2159	} else {	2549	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2552	}
2163	}	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 (@_);
2164	}	2564	}
2165		2565
2166	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2167		2567
2168	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2181		2581
2182	=item $player_object->enter_link	2582	=item $player_object->enter_link
2183		2583
2184	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}>).
2185		2585
2186	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.
2187	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.
2188		2590
2189	Will never block.	2591	Will never block.
2190		2592
2191	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2192		2594
…		…
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2620
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2221		2623
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2625	}
2224		2626
2225	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2227		2629
…		…
2244	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2246		2648
2247	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2250		2652
2251	$map->load;	2653	$map->load;
2252	$map->load_diag;	2654	$map->load_neighbours;
2253		2655
2254	return unless $self->contr->active;	2656	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2657
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
2259	}	2663	}
2260		2664
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2666
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	the new (success) or old (failed) map position. In either case, $done will	2670	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2671	be called at the end of this process.
2268		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 >>.
		2675
2269	=cut	2676	=cut
2270		2677
2271	our $GOTOGEN;	2678	our $GOTOGEN;
2272		2679
2273	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2685
2279	$self->enter_link;	2686	$self->enter_link;
2280		2687
2281	(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
2282	my $map = eval {	2710	my $map = eval {
2283	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
2284		2712
2285	if ($map) {	2713	if ($map) {
2286	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
2288	} else {	2716	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2718	}
2291		2719
2292	$map	2720	$map
2293	};	2721	};
2294		2722
…		…
2330	}	2758	}
2331		2759
2332	sub prepare_random_map {	2760	sub prepare_random_map {
2333	my ($exit) = @_;	2761	my ($exit) = @_;
2334		2762
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2765	# that depends on the exit object
2340		2766
2341	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2769	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2348	}	2776	}
2349		2777
2350	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2351		2779
2352	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2355		2783
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2786	undef $fh;
2359	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2360		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2363	}	2795	}
2364	}	2796	}
2365		2797
2366	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2368		2800
2369	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2370		2802
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2803	$self->enter_link;
2383		2804
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2805	(async {
2389	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2390	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
2391	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2392		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
2393	1;	2829	1
2394	}) {	2830	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "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. "
2397	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2835
2400	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2419		2855
2420	utf8::encode $text;	2856	utf8::encode $text;
2421	$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);
2422	}	2858	}
2423		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
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2886
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2887	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2888	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2889	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2890	the message unless the client supports the msg packet.
2430		2891
2431	=cut	2892	=cut
2432		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" => $CHAT_CHANNEL,
		3006	);
		3007
2433	sub cf::client::send_msg {	3008	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3009	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3010
2436	$msg = $self->pl->expand_cfpod ($msg);	3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		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);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
2437		3032
2438	return unless @extra || length $msg;	3033	return unless @extra || length $msg;
2439		3034
2440	if ($self->can_msg) {	3035	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3037	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3038
2453	if ($color >= 0) {	3039	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3040	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3042	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2464	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2465		3048
2466	Sends an ext event to the client.	3049	Sends an ext event to the client.
2467		3050
2468	=cut	3051	=cut
2469		3052
2470	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2472		3055
2473	return unless $self->extcmd;	3056	if ($self->extcmd == 2) {
2474		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2477	}	3080	}
2478		3081
2479	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2480		3083
2481	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3139	my ($ns, $buf) = @_;
2537		3140
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3142
2540	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
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3151	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3152	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
2547	} else {	3158	} else {
2548	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";
2549	}	3160	}
2550		3161
2551	cf::override;	3162	cf::override;
…		…
2573		3184
2574	$coro	3185	$coro
2575	}	3186	}
2576		3187
2577	cf::client->attach (	3188	cf::client->attach (
2578	on_destroy => sub {	3189	on_client_destroy => sub {
2579	my ($ns) = @_;	3190	my ($ns) = @_;
2580		3191
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3193	},
2583	);	3194	);
…		…
2598	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2600		3211
2601	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2602		3213
2603	$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	));
2604		3219
2605	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2606		3221
2607	=pod	3222	=pod
2608		3223
2609	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2610		3225
2611	cf::object	3226	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3227	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3228	insert remove name archname title slaying race decrease split
		3229	value
2614		3230
2615	cf::object::player	3231	cf::object::player
2616	player	3232	player
2617		3233
2618	cf::player	3234	cf::player
…		…
2623		3239
2624	=cut	3240	=cut
2625		3241
2626	for (	3242	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2632	) {	3249	) {
2633	no strict 'refs';	3250	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2653		3270
2654	my $qcode = $code;	3271	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2657		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2658	local $_;	3278	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3279
2661	my $eval =	3280	my $eval =
2662	"do {\n"	3281	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3284	. $code
2666	. "\n}"	3285	. "\n}"
2667	;	3286	;
2668		3287
		3288	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	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	}
2672		3297
2673	if ($@) {	3298	if ($@) {
2674	warn "$@";	3299	warn "$@";
2675	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2676	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2695	=cut	3320	=cut
2696		3321
2697	sub register_script_function {	3322	sub register_script_function {
2698	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2699		3324
2700	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2702	}	3327	}
2703		3328
2704	=back	3329	=back
2705		3330
2706	=cut	3331	=cut
…		…
2708	#############################################################################	3333	#############################################################################
2709	# the server's init and main functions	3334	# the server's init and main functions
2710		3335
2711	sub load_facedata($) {	3336	sub load_facedata($) {
2712	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;
2713		3344
2714	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2715		3346
2716	my $facedata;	3347	my $facedata;
2717	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2721		3352
2722	$facedata->{version} == 2	3353	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		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
2725	{	3365	{
2726	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2727		3367
2728	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2730	cf::face::set_visibility $idx, $info->{visibility};	3371	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3372	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3375
2735	cf::cede_to_tick;	3376	cf::cede_to_tick;
2736	}	3377	}
2737		3378
2738	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2740	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2741	or next;	3383	or next;
		3384
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3386	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3388	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2760		3403
2761	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2762	}	3405	}
2763		3406
2764	{	3407	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3408	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3409
2770	while (my ($name, $info) = each %$res) {	3410	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3411	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3413
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3415	cf::face::set_type $idx, $info->{type};
2782	} else {	3416	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3417	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3418	}
2789		3419
2790	cf::cede_to_tick;	3420	cf::cede_to_tick;
2791	}	3421	}
2792	}	3422	}
2793		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2794	1	3426	1
2795	}	3427	}
2796		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
2797	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
2798	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
2800		3474
2801	for (cf::region::list) {	3475	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3476	$_->{match} = qr/$_->{match}/
…		…
2810	}	3484	}
2811		3485
2812	sub reload_archetypes {	3486	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3487	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3488	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3489	}
2821		3490
2822	sub reload_treasures {	3491	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3492	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3493	or die "unable to load treasurelists\n";
2825	}	3494	}
2826		3495
2827	sub reload_resources {	3496	sub reload_resources {
2828	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2829		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2830	reload_regions;	3501	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3502	reload_treasures;
2835		3503
2836	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2837	}	3505	}
2838		3506
2839	sub init {	3507	sub reload_config {
2840	reload_resources;	3508	warn "reloading config file...\n";
2841	}
2842		3509
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3511	or return;
2846		3512
2847	local $/;	3513	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2849		3515
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3517
2852	$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};
2853	$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};
…		…
2857	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2858	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2859	};	3525	};
2860	warn $@ if $@;	3526	warn $@ if $@;
2861	}	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;
2862	}	3558	}
2863		3559
2864	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
2865	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2867	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#
2868	(async {	3573	(async {
2869	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2871	};	3577	};
2872		3578
2873	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;
2874	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
2875	load_extensions;	3602	load_extensions;
2876		3603
2877	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2878	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;
2879	}	3617	}
2880		3618
2881	#############################################################################	3619	#############################################################################
2882	# initialisation and cleanup	3620	# initialisation and cleanup
2883		3621
2884	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2885	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2894	},
2895	);	3628	};
2896	}	3629	}
2897	}	3630	}
2898		3631
2899	sub write_runtime {	3632	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3633	my $t0 = AE::time;
2901		3634
2902	# first touch the runtime file to show we are still running:	3635	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3636	# the fsync below can take a very very long time.
2904		3637
2905	IO::AIO::aio_utime $runtime, undef, undef;	3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3639
2907	my $guard = cf::lock_acquire "write_runtime";	3640	my $guard = cf::lock_acquire "write_runtime";
2908		3641
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3643	or return;
2911		3644
2912	my $value = $cf::RUNTIME + 90 + 10;	3645	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3646	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3647	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3657	aio_utime $fh, undef, undef;
2925		3658
2926	close $fh	3659	close $fh
2927	or return;	3660	or return;
2928		3661
2929	aio_rename "$runtime~", $runtime	3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3663	and return;
2931		3664
2932	warn "runtime file written.\n";	3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3666
2934	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 };
2935	}	3718	}
2936		3719
2937	sub emergency_save() {	3720	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2939		3722
2940	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2941		3724
2942	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
2943	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3739	$pl->save;
2951	}	3740	}
2952	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2953		3742
2954	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3746	$map->valid or next;
2958	$map->save;	3747	$map->save;
2959	}	3748	}
2960	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2961		3750
2962	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2964	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";
2965	};	3758	};
2966		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
2967	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2968	}	3766	}
2969		3767
2970	sub post_cleanup {	3768	sub post_cleanup {
2971	my ($make_core) = @_;	3769	my ($make_core) = @_;
2972		3770
2973	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2974	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	}
2975	}	3801	}
2976		3802
2977	sub do_reload_perl() {	3803	sub do_reload_perl() {
2978	# can/must only be called in main	3804	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2980	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2981	return;	3807	return;
2982	}	3808	}
2983		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2984	warn "reloading...";	3815	warn "reloading...";
2985		3816
2986	warn "entering sync_job";	3817	warn "entering sync_job";
2987		3818
2988	cf::sync_job {	3819	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3821	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2992		3823
2993	warn "syncing database to disk";	3824	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3826
2996	# 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
2997		3828
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3832	}
3035		3833
3036	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
3038	}	3836	%EXT_CORO = ();
3039		3837
3040	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3847	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3848
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
3051	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
3052	}	3858	}
3053		3859
3054	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 $k;
3055	}	3875	}
3056		3876
3057	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
3059	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);
3060		3880
3061	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3884
3065	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3886	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
3068		3888
3069	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
3070		3890
3071	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
3072	require cf;	3892	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
3074		3894
3075	warn "loading config and database again";	3895	warn "loading config and database again";
3076	cf::cfg_load;	3896	cf::reload_config;
3077		3897
3078	warn "loading extensions";	3898	warn "loading extensions";
3079	cf::load_extensions;	3899	cf::load_extensions;
3080		3900
		3901	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
3087		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
3088	warn "leaving sync_job";	3913	warn "leaving sync_job";
3089		3914
3090	1	3915	1
3091	} or do {	3916	} or do {
3092	warn $@;	3917	warn $@;
3093	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3919	};
3096		3920
3097	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
3098	};	3927	};
3099		3928
3100	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
3101		3930
3102	sub reload_perl() {	3931	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
3105		3934
3106	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3937
3109	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3939	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
3113	},	3941	};
3114	);	3942	};
3115	}	3943	}
3116		3944
3117	register_command "reload" => sub {	3945	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
3119		3947
3120	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3952	reload_perl;
		3953	};
3123	}	3954	}
3124	};	3955	};
3125		3956
3126	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
3127		3958
…		…
3129		3960
3130	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
3132		3963
3133	sub wait_for_tick {	3964	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136		3966
3137	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3969	$signal->wait;
3140	}	3970	}
3141		3971
3142	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145		3974
3146	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3977	$signal->wait;
3149	}	3978	}
3150		3979
3151	my $min = 1e6;#d#	3980	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
3163	return;	3984	return;
3164	}	3985	}
3165		3986
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
3169		3988
3170	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171	for(1..10) {
3172	my $t = Event::time;
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174	or die;
3175		3990
3176	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	$map->alloc;	3993	Coro::async_pool {
3179	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
3180	my $t = Event::time - $t;	3995	write_runtime_sync
3181		3996	or warn "ERROR: unable to write runtime file: $!";
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3997	};
		3998	}
3192		3999
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4001	$sig->send;
3209	}	4002	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	4004	$sig->send;
3212	}	4005	}
3213		4006
3214	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4009
3225	_post_tick;	4010	if (0) {
3226		4011	if ($NEXT_TICK) {
3227		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
3228	},	4016	}
3229	);	4017	}
3230		4018
3231	{	4019	{
3232	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4021
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
3242		4023	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4025
3258	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
3259	$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);
3260		4033
3261	cf::sync_job {	4034	cf::sync_job {
3262	eval {	4035	eval {
3263	BDB::db_env_open	4036	BDB::db_env_open
3264	$DB_ENV,	4037	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4041	0666;
3269		4042
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4044	};
3275		4045
3276	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4047	};
3278	}	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	};
3279	}	4059	}
3280		4060
3281	{	4061	{
		4062	# configure IO::AIO
		4063
3282	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4067	}
3295		4068
3296	my $_log_backtrace;	4069	my $_log_backtrace;
3297		4070
3298	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3302		4075
3303	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3306	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3307	my @bt = fork_call {	4083	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	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 |"
3311	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3319	}	4095	}
3320		4096
3321	@funcs	4097	@funcs
3322	};	4098	};
3323		4099
3324	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4103	--$_log_backtrace;
3327	};	4104	};
3328	} else {	4105	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	4108	}
3332	}	4109	}
3333		4110
3334	# load additional modules	4111	# load additional modules
3335	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3336		4114
3337	END { cf::emergency_save }	4115	END { cf::emergency_save }
3338		4116
3339	1	4117	1
3340		4118

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