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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.516 by root, Thu Apr 15 06:05:52 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	285	for my $pkg (qw(
198	cf::global cf::attachable	286	cf::global cf::attachable
199	cf::object cf::object::player	287	cf::object cf::object::player
200	cf::client cf::player	288	cf::client cf::player
201	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
202	cf::map cf::party cf::region	291	cf::party cf::region
203	)) {	292	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	294	}
207		295
208	$Event::DIED = sub {	296	$EV::DIED = sub {
209	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
210	};	298	};
211		299
212	#############################################################################	300	#############################################################################
213		301
214	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	325	$d
238	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
239	}	327	}
240		328
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
244		330
245	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
246		332
247	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
248		334
249	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
250		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
251	=item cf::lock_wait $string	358	=item cf::lock_wait $string
252		359
253	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
254		361
255	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
256		363
257	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
260	returned.	367	returned.
261		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
262	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
264		374
265	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
266		376
267	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
268		378
269	=cut	379	=cut
270		380
271	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
272		382
273	sub lock_wait($) {	383	sub lock_wait($) {
274	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	385	}
282		386
283	sub lock_acquire($) {	387	sub lock_acquire($) {
284	my ($key) = @_;	388	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	389	}
296		390
297	sub lock_active($) {	391	sub lock_active($) {
298	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	393	}
302		394
303	sub freeze_mainloop {	395	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
305		397
306	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
308	};	465	}
309	$TICK_WATCHER->stop;	466	};
310	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
311	}	481	}
312		482
313	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
314		484
315	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		490
321	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
322		492
323	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
324		494
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	498	acceptable.
329		499
330	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		506
337	sub sync_job(&) {	507	sub sync_job(&) {
338	my ($job) = @_;	508	my ($job) = @_;
339		509
340	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	511	my $time = AE::time;
342		512
343	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
345		515
346	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	517
348	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
349		519
350	my $busy = 1;	520	my $busy = 1;
351	my @res;	521	my @res;
352		522
353	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	525	@res = eval { $job->() };
355	warn $@ if $@;	526	warn $@ if $@;
356	undef $busy;	527	undef $busy;
357	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
358		529
359	while ($busy) {	530	while ($busy) {
360	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
361	}	535	}
		536	}
362		537
363	$time = Event::time - $time;	538	my $time = AE::time - $time;
364		539
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
369		541
370	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
371	} else {	543	} else {
372	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
373		545
…		…
398	=item fork_call { }, $args	570	=item fork_call { }, $args
399		571
400	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
404		576
405	=cut	577	=cut
406		578
407	sub fork_call(&@) {	579	sub fork_call(&@) {
408	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
409		581
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	582	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		585
415	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	587	reset_signals;
428	local $SIG{__WARN__};	588	&$cb
429	local $SIG{__DIE__};	589	}, @args;
430	eval {
431	close $fh1;
432		590
433	my @res = eval { $cb->(@args) };	591	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	592	}
435	};
436		593
437	warn $@ if $@;	594	sub objinfo {
438	_exit 0;
439	}	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
440	}	630	}
441		631
442	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
443		633
444	Returns a single value from the environment database.	634	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
447		637
448	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
451	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
452		664
453	our $DB;	665	our $DB;
454		666
455	sub db_init {	667	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	668	cf::sync_job {
460	eval {	669	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	670	};
470	}	671	}
471		672
472	sub db_get($$) {	673	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
474		675
…		…
524	if (1) {	725	if (1) {
525	$md5 =	726	$md5 =
526	join "\x00",	727	join "\x00",
527	$processversion,	728	$processversion,
528	map {	729	map {
529	Coro::cede;	730	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	732	} 0.. $#$src;
532		733
533		734
534	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		773
573	#############################################################################	774	#############################################################################
574		775
575	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
576		777
577	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
580		781
581	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	784	Deliantra).
584		785
585	=over 4	786	=over 4
586		787
587	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
588		789
…		…
632	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
633		834
634	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
636		837
637	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
639		840
640	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
641		842
642	=over 4	843	=over 4
…		…
840	";	1041	";
841	die if $@;	1042	die if $@;
842	}	1043	}
843		1044
844	our $override;	1045	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1047
847	sub override {	1048	sub override {
848	$override = 1;	1049	$override = 1;
849	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
850	}	1051	}
851		1052
852	sub do_invoke {	1053	sub do_invoke {
853	my $event = shift;	1054	my $event = shift;
854	my $callbacks = shift;	1055	my $callbacks = shift;
855		1056
856	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
857		1058
858	local $override;	1059	local $override;
859		1060
860	for (@$callbacks) {	1061	for (@$callbacks) {
861	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
870	}	1071	}
871		1072
872	0	1073	0
873	}	1074	}
874		1075
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1077
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1079
879	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
880		1081
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1085
885	=back	1086	=back
886		1087
887	=cut	1088	=cut
888		1089
889	#############################################################################	1090	#############################################################################
890	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
891		1134
892	sub reattach {	1135	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1137	my ($obj) = @_;
895		1138
		1139	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1141
898	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
899		1143
900	@$registry = ();	1144	@$registry = ();
901		1145
…		…
916	cf::attachable->attach (	1160	cf::attachable->attach (
917	prio => -1000000,	1161	prio => -1000000,
918	on_instantiate => sub {	1162	on_instantiate => sub {
919	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
920		1164
921	$data = from_json $data;	1165	$data = decode_json $data;
922		1166
923	for (@$data) {	1167	for (@$data) {
924	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
925		1169
926	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1186	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
944		1188
945	sync_job {	1189	sync_job {
946	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
949		1194
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
954	close $fh;	1202	aio_close $fh;
955		1203
956	if (@$objs) {	1204	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
962	close $fh;	1213	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
964	}	1215	}
965	} else {	1216	} else {
966	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
967	}	1218	}
968		1219
969	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1224	} else {
971	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
972	}	1226	}
973	} else {	1227	} else {
974	aio_unlink $filename;	1228	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
976	}	1230	}
977	}	1231	};
978	}	1232	}
979		1233
980	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
982		1236
…		…
994	or return;	1248	or return;
995		1249
996	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
998	or return;	1252	or return;
		1253
999	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1000	}	1256	}
1001		1257
		1258	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1004	return ($data, $av);	1262	($data, $av)
1005	}	1263	}
1006		1264
1007	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1008		1266
1009	=over 4	1267	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1288	}
1031		1289
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1291
1034	Register a callback fro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
1035		1297
1036	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
1037	called.	1299	called.
1038		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
1039	=cut	1312	=cut
1040		1313
1041	sub register_extcmd {	1314	sub register_extcmd {
1042	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
1043		1316
1044	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
1045	}	1318	}
1046		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
1047	cf::player->attach (	1328	cf::player->attach (
1048	on_command => sub {	1329	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1050		1331
1051	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1052	or return;	1333	or return;
1053		1334
…		…
1058	cf::override;	1339	cf::override;
1059	},	1340	},
1060	on_extcmd => sub {	1341	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
1062		1343
1063	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1345
1065	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1071	} else {	1361	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1363	}
1074		1364
1075	cf::override;	1365	cf::override;
1076	},	1366	},
1077	);	1367	);
		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
1078		1381
1079	sub load_extensions {	1382	sub load_extensions {
1080	cf::sync_job {	1383	cf::sync_job {
1081	my %todo;	1384	my %todo;
1082		1385
…		…
1102		1405
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1408
1106	$ext{source} =	1409	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1109	. $source	1412	. $source
1110	. "\n};\n1";	1413	. "\n};\n1";
1111		1414
1112	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1113	}	1416	}
1114		1417
		1418	my $pass = 0;
1115	my %done;	1419	my %done;
1116	while (%todo) {	1420	while (%todo) {
1117	my $progress;	1421	my $progress;
1118		1422
		1423	++$pass;
		1424
		1425	ext:
1119	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1428	next ext
1122	unless exists $done{$_};	1429	unless exists $done{$_};
1123	}	1430	}
1124		1431
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1433
1127	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1132	warn $msg;	1441	} else {
1133	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1134	exit 1;	1443	push @EXTS, $v->{pkg};
1135	}	1444	$progress = 1;
1136		1445
1137	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1138	}	1448	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1449	}
1144		1450
1145	skip:	1451	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1148	}	1459	}
1149	};	1460	};
1150	}	1461	}
1151		1462
1152	#############################################################################	1463	#############################################################################
1153		1464
1154	=back	1465	=back
1155		1466
1156	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1157		1468
1158	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1159		1470
1160	=cut	1471	=cut
1161		1472
1162	package cf::player;	1473	package cf::player;
1163		1474
1164	use Coro::AIO;	1475	use Coro::AIO;
1165		1476
1166	=head3 cf::player	1477	=head3 cf::player
1167		1478
1168	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1169		1494
1170	=item cf::player::find $login	1495	=item cf::player::find $login
1171		1496
1172	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1173		1498
…		…
1192		1517
1193	sub exists($) {	1518	sub exists($) {
1194	my ($login) = @_;	1519	my ($login) = @_;
1195		1520
1196	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1198	}	1523	}
1199		1524
1200	sub find($) {	1525	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1527	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1538
1214	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1217	}	1548	}
1218	}	1549	}
1219	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1220		1564
1221	sub save($) {	1565	sub save($) {
1222	my ($pl) = @_;	1566	my ($pl) = @_;
1223		1567
1224	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1230		1574
1231	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1233		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1234	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1235	Coro::cede;	1584	cf::cede_to_tick;
1236	}	1585	}
1237		1586
1238	sub new($) {	1587	sub new($) {
1239	my ($login) = @_;	1588	my ($login) = @_;
1240		1589
…		…
1246	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1247		1596
1248	$self	1597	$self
1249	}	1598	}
1250		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1251	=item $pl->quit_character	1610	=item $pl->quit_character
1252		1611
1253	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1255		1614
…		…
1259	my ($pl) = @_;	1618	my ($pl) = @_;
1260		1619
1261	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1262		1621
1263	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1624
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1270		1631
1271	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1669	or return [];
1309		1670
1310	my @logins;	1671	my @logins;
1311		1672
1312	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1316		1683
1317	utf8::decode $login;	1684	utf8::decode $login;
1318	push @logins, $login;	1685	push @logins, $login;
1319	}	1686	}
1320		1687
…		…
1347	}	1714	}
1348		1715
1349	\@paths	1716	\@paths
1350	}	1717	}
1351		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1352	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1353		1724
1354	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1355		1726
1356	=cut	1727	=cut
1357		1728
1358	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1360		1731
1361	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1733	}
1365		1734
1366	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1367		1736
1368	Sends an ext event to the client.	1737	Sends an ext event to the client.
1369		1738
1370	=cut	1739	=cut
1371		1740
1372	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1374		1743
1375	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1376	}	1745	}
1377		1746
1378	=head3 cf::region	1747	=head3 cf::region
1379		1748
1380	=over 4	1749	=over 4
…		…
1393	my ($path) = @_;	1762	my ($path) = @_;
1394		1763
1395	my ($match, $specificity);	1764	my ($match, $specificity);
1396		1765
1397	for my $region (list) {	1766	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1401	}	1770	}
1402	}	1771	}
1403		1772
…		…
1424	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1426		1795
1427	sub generate_random_map {	1796	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1429	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1802	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1523	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1524	return $self;	1896	return $self;
1525	}	1897	}
1526	}	1898	}
1527		1899
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1901	()
1530	}	1902	}
1531		1903
1532	sub init {	1904	sub init {
1533	my ($self) = @_;	1905	my ($self) = @_;
…		…
1555		1927
1556	# the temporary/swap location	1928	# the temporary/swap location
1557	sub save_path {	1929	sub save_path {
1558	my ($self) = @_;	1930	my ($self) = @_;
1559		1931
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1562	}	1934	}
1563		1935
1564	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1565	sub uniq_path {	1937	sub uniq_path {
1566	my ($self) = @_;	1938	my ($self) = @_;
1567		1939
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1942	}
1580		1943
1581	sub decay_objects {	1944	sub decay_objects {
1582	my ($self) = @_;	1945	my ($self) = @_;
1583		1946
…		…
1596		1959
1597	sub load_header_from($) {	1960	sub load_header_from($) {
1598	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1599		1962
1600	utf8::encode $path;	1963	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1606		1972
1607	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1608		1974
1609	1	1975	1
1610	}	1976	}
…		…
1664	sub find {	2030	sub find {
1665	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1666		2032
1667	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1668		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2037
1671	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1674	or return;	2040	or return;
1675		2041
1676	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1677		2043
…		…
1679	or return;	2045	or return;
1680		2046
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1684	$map->reset;	2052	$map->reset;
1685	undef $guard;
1686	return find $path;	2053	return find $path;
1687	}	2054	}
1688		2055
1689	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1690	}	2057	}
1691	}	2058	}
1692		2059
1693	sub pre_load { }	2060	sub pre_load { }
1694	sub post_load { }	2061	#sub post_load { } # XS
1695		2062
1696	sub load {	2063	sub load {
1697	my ($self) = @_;	2064	my ($self) = @_;
1698		2065
1699	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1700		2067
1701	my $path = $self->{path};	2068	my $path = $self->{path};
1702		2069
1703	{	2070	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1705		2072
		2073	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2075
1708	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1709		2077
1710	$self->alloc;	2078	$self->alloc;
1711		2079
1712	$self->pre_load;	2080	$self->pre_load;
1713	Coro::cede;	2081	cf::cede_to_tick;
1714		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1716	or return;	2086	or return;
1717		2087
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1719	if delete $self->{load_original};	2089	if delete $self->{load_original};
1720		2090
1721	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2092	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2095	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1726	}	2099	}
1727	}	2100	}
1728		2101
1729	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1730	# now do the right thing for maps	2105	# now do the right thing for maps
1731	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2108	unless $self->difficulty;
1734	Coro::cede;	2109	cf::cede_to_tick;
1735		2110
1736	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2112	$self->decay_objects;
1738	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1739	$self->update_buttons;	2114	$self->update_buttons;
1740	Coro::cede;	2115	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2116	$self->activate;
1744	}	2117	}
1745		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2123	}
1748		2124
1749	$self->post_load;	2125	$self->post_load;
1750	}	2126	}
1751		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2131	sub customise_for {
1753	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1754		2133
1755	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2135	if $self->per_player;
…		…
1760		2139
1761	$self	2140	$self
1762	}	2141	}
1763		2142
1764	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2144	sub load_neighbours {
1766	my ($map) = @_;	2145	my ($map) = @_;
1767		2146
1768	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1769		2148
1770	for (0 .. 3) {	2149	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1772	or next;	2151	or next;
1773	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1774	or next;	2153	or next;
1775	$neigh->load;	2154	$neigh->load;
1776		2155
		2156	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2159	}
1780		2160
1781	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1783	or next;	2164	or next;
1784	$neigh->load;	2165	$neigh->load;
1785	}	2166	}
1786	}	2167	}
1787		2168
…		…
1792	}	2173	}
1793		2174
1794	sub do_load_sync {	2175	sub do_load_sync {
1795	my ($map) = @_;	2176	my ($map) = @_;
1796		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1797	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1798	}	2182	}
1799		2183
1800	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1802		2186
1803	sub find_async {	2187	sub find_async {
1804	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1805		2189
1806	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1807		2191
1808	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2194	}
1811		2195
1812	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1813	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1814	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2203	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2204	$map->load if $v;
		2205	}
1819		2206
1820	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1821	}	2208	}
1822	}	2209	}
1823	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1824	};	2211	};
1825	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2215	}
1829		2216
1830	sub save {	2217	sub save {
1831	my ($self) = @_;	2218	my ($self) = @_;
1832		2219
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2221
1835	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1836		2223
1837	return unless $self->dirty;	2224	return unless $self->dirty;
1838		2225
…		…
1844	return if $self->{deny_save};	2231	return if $self->{deny_save};
1845		2232
1846	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1847		2234
1848	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1850	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1851		2241
1852	if ($uniq) {	2242	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2245	} else {
…		…
1861	my ($self) = @_;	2251	my ($self) = @_;
1862		2252
1863	# save first because save cedes	2253	# save first because save cedes
1864	$self->save;	2254	$self->save;
1865		2255
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2257
1868	return if $self->players;	2258	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2260	return if $self->{deny_save};
1871		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2266	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2267	}
1875		2268
1876	sub reset_at {	2269	sub reset_at {
1877	my ($self) = @_;	2270	my ($self) = @_;
1878		2271
…		…
1896		2289
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2291
1899	return if $self->players;	2292	return if $self->players;
1900		2293
1901	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
1902		2295
1903	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1904		2297
1905	# need to save uniques path	2298	# need to save uniques path
1906	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2303	if $uniq;
1911	}	2304	}
1912		2305
1913	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1914		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2310	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2311
1919	$self->unlink_save;	2312	$self->unlink_save;
1920	$self->destroy;	2313	$self->destroy;
1921	}	2314	}
1922		2315
1923	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1924		2317
1925	sub nuke {	2318	sub nuke {
1926	my ($self) = @_;	2319	my ($self) = @_;
1927		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1928	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1929		2325
1930	$self->unlink_save;	2326	$self->unlink_save;
1931		2327
1932	bless $self, "cf::map";	2328	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2333
1938	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1939		2336
1940	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
1941	}	2338	}
1942		2339
1943	=item $maps = cf::map::tmp_maps	2340	=item $maps = cf::map::tmp_maps
…		…
1985		2382
1986	sub unique_maps() {	2383	sub unique_maps() {
1987	[	2384	[
1988	map {	2385	map {
1989	utf8::decode $_;	2386	utf8::decode $_;
1990	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
1991	? normalise $_	2390	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2392	]
1995	}	2393	}
1996		2394
1997	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1998		2426
1999	=back	2427	=back
2000		2428
2001	=head3 cf::object	2429	=head3 cf::object
2002		2430
…		…
2006		2434
2007	=over 4	2435	=over 4
2008		2436
2009	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
2010		2438
2011	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
2012		2441
2013	=cut	2442	=cut
2014		2443
2015	sub inv_recursive_;	2444	sub inv_recursive_;
2016	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
2019		2448
2020	sub inv_recursive {	2449	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
2022	}	2451	}
2023		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
2024	package cf;	2481	package cf;
2025		2482
2026	=back	2483	=back
2027		2484
2028	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
2037		2494
2038	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
2039		2510
2040	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2512	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
2050		2521
2051	} else {	2522	} else {
2052	my $pl = $self->contr;	2523	my $pl = $self->contr;
2053		2524
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2526	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2528
2060	} else {	2529	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2532	}
2064	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
2065	}	2544	}
2066		2545
2067	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
2068		2547
2069	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
2082		2561
2083	=item $player_object->enter_link	2562	=item $player_object->enter_link
2084		2563
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2565
2087	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2089		2570
2090	Will never block.	2571	Will never block.
2091		2572
2092	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2093		2574
…		…
2145	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2147		2628
2148	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2151		2632
2152	$map->load;	2633	$map->load;
2153	$map->load_diag;	2634	$map->load_neighbours;
2154		2635
2155	return unless $self->contr->active;	2636	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2637
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
2160	}
2161		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
		2643	}
		2644
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2646
2164	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2649	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2650	the new (success) or old (failed) map position. In either case, $done will
		2651	be called at the end of this process.
		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
2168		2655
2169	=cut	2656	=cut
2170		2657
2171	our $GOTOGEN;	2658	our $GOTOGEN;
2172		2659
2173	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2662
2176	# do generation counting so two concurrent goto's will be executed in-order	2663	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2665
2179	$self->enter_link;	2666	$self->enter_link;
2180		2667
2181	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
2182	my $map = eval {	2690	my $map = eval {
2183	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2184		2692
2185	if ($map) {	2693	if ($map) {
2186	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2188	} else {	2696	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2698	}
2191		2699
2192	$map	2700	$map
2193	};	2701	};
2194		2702
…		…
2199		2707
2200	if ($gen == $self->{_goto_generation}) {	2708	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2709	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
2203	}	2711	}
		2712
		2713	$done->() if $done;
2204	})->prio (1);	2714	})->prio (1);
2205	}	2715	}
2206		2716
2207	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
2208		2718
…		…
2228	}	2738	}
2229		2739
2230	sub prepare_random_map {	2740	sub prepare_random_map {
2231	my ($exit) = @_;	2741	my ($exit) = @_;
2232		2742
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2745	# that depends on the exit object
2238		2746
2239	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2749	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2246	}	2756	}
2247		2757
2248	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2249		2759
2250	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2253		2763
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2766	undef $fh;
2257	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2258		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2261	}	2775	}
2262	}	2776	}
2263		2777
2264	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2266		2780
2267	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2268		2782
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2783	$self->enter_link;
2281		2784
2282	(async {	2785	(async {
2283	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2284	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2285	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2286		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2287	1;	2809	1
2288	}) {	2810	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2815
2294	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2313		2835
2314	utf8::encode $text;	2836	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2838	}
2317		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2318	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2319		3028
2320	Sends an exti event to the client.	3029	Sends an ext event to the client.
2321		3030
2322	=cut	3031	=cut
2323		3032
2324	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2326		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2329	}	3060	}
2330		3061
2331	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2332		3063
2333	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3067
2337	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3069	become reliable at some point in the future.
2339		3070
2340	=cut	3071	=cut
2341		3072
2342	sub cf::client::query {	3073	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3082	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3084
2354	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2356	}	3089	}
2357		3090
2358	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2359	on_reply => sub {	3097	on_reply => sub {
2360	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2361		3099
2362	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2363	# get handled first	3101	# get handled first
…		…
2375	} else {	3113	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3115	}
2378	}	3116	}
2379	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2380	);	3144	);
2381		3145
2382	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2383		3147
2384	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3164
2401	$coro	3165	$coro
2402	}	3166	}
2403		3167
2404	cf::client->attach (	3168	cf::client->attach (
2405	on_destroy => sub {	3169	on_client_destroy => sub {
2406	my ($ns) = @_;	3170	my ($ns) = @_;
2407		3171
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3173	},
2410	);	3174	);
…		…
2425	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2427		3191
2428	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2429		3193
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2431		3199
2432	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2433		3201
2434	=pod	3202	=pod
2435		3203
2436	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2437		3205
2438	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2439	cf::object::player player	3211	cf::object::player
2440	cf::player peaceful	3212	player
2441	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2442		3219
2443	=cut	3220	=cut
2444		3221
2445	for (	3222	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2450	) {	3229	) {
2451	no strict 'refs';	3230	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2471		3250
2472	my $qcode = $code;	3251	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2475		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2476	local $_;	3258	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3259
2479	my $eval =	3260	my $eval =
2480	"do {\n"	3261	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3264	. $code
2484	. "\n}"	3265	. "\n}"
2485	;	3266	;
2486		3267
		3268	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2490		3277
2491	if ($@) {	3278	if ($@) {
2492	warn "$@";	3279	warn "$@";
2493	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2494	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2513	=cut	3300	=cut
2514		3301
2515	sub register_script_function {	3302	sub register_script_function {
2516	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2517		3304
2518	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2520	}	3307	}
2521		3308
2522	=back	3309	=back
2523		3310
2524	=cut	3311	=cut
…		…
2526	#############################################################################	3313	#############################################################################
2527	# the server's init and main functions	3314	# the server's init and main functions
2528		3315
2529	sub load_facedata($) {	3316	sub load_facedata($) {
2530	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2531		3324
2532	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2533		3326
2534	my $facedata;	3327	my $facedata;
2535	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2539		3332
2540	$facedata->{version} == 2	3333	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2543	{	3345	{
2544	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2545		3347
2546	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3355
		3356	cf::cede_to_tick;
2552	}	3357	}
2553		3358
2554	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2556	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2557	or next;	3363	or next;
		3364
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3368	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3370	}
2563	Coro::cede;	3371
		3372	cf::cede_to_tick;
2564	}	3373	}
2565	}	3374	}
2566		3375
2567	{	3376	{
2568	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2569		3378
2570	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3381	cf::cede_to_tick;
2573	}	3382	}
2574		3383
2575	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2576	}	3385	}
2577		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2578	1	3406	1
2579	}	3407	}
2580		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2581	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2582	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2584	}	3459	}
2585		3460
2586	sub reload_facedata {	3461	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2599	}	3474	}
2600		3475
2601	sub reload_resources {	3476	sub reload_resources {
2602	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2603		3478
		3479	reload_facedata;
		3480	reload_archetypes;
2604	reload_regions;	3481	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3482	reload_treasures;
2609		3483
2610	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2611	}	3485	}
2612		3486
2613	sub init {	3487	sub reload_config {
2614	reload_resources;	3488	warn "reloading config file...\n";
2615	}
2616		3489
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3491	or return;
2620		3492
2621	local $/;	3493	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2623		3495
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3497
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3505	};
2634	warn $@ if $@;	3506	warn $@ if $@;
2635	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3538	}
2637		3539
2638	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2639	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3553	(async {
2643	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2645	};	3557	};
2646		3558
2647	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2648	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2649	load_extensions;	3582	load_extensions;
2650		3583
2651	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594
		3595	main_loop;
2653	}	3596	}
2654		3597
2655	#############################################################################	3598	#############################################################################
2656	# initialisation and cleanup	3599	# initialisation and cleanup
2657		3600
2658	# install some emergency cleanup handlers	3601	# install some emergency cleanup handlers
2659	BEGIN {	3602	BEGIN {
		3603	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3604	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3605	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3606	cf::cleanup "SIG$signal";
2668	},
2669	);	3607	};
2670	}	3608	}
2671	}	3609	}
2672		3610
2673	sub write_runtime {	3611	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3612	my $t0 = AE::time;
2675		3613
2676	# first touch the runtime file to show we are still running:	3614	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3615	# the fsync below can take a very very long time.
2678		3616
2679	IO::AIO::aio_utime $runtime, undef, undef;	3617	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3618
2681	my $guard = cf::lock_acquire "write_runtime";	3619	my $guard = cf::lock_acquire "write_runtime";
2682		3620
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3621	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3622	or return;
2685		3623
2686	my $value = $cf::RUNTIME + 90 + 10;	3624	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3625	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3626	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3636	aio_utime $fh, undef, undef;
2699		3637
2700	close $fh	3638	close $fh
2701	or return;	3639	or return;
2702		3640
2703	aio_rename "$runtime~", $runtime	3641	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3642	and return;
2705		3643
2706	warn "runtime file written.\n";	3644	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3645
2708	1	3646	1
		3647	}
		3648
		3649	our $uuid_lock;
		3650	our $uuid_skip;
		3651
		3652	sub write_uuid_sync($) {
		3653	$uuid_skip ||= $_[0];
		3654
		3655	return if $uuid_lock;
		3656	local $uuid_lock = 1;
		3657
		3658	my $uuid = "$LOCALDIR/uuid";
		3659
		3660	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3661	or return;
		3662
		3663	my $value = uuid_seq uuid_cur;
		3664
		3665	unless ($value) {
		3666	warn "cowardly refusing to write zero uuid value!\n";
		3667	return;
		3668	}
		3669
		3670	my $value = uuid_str $value + $uuid_skip;
		3671	$uuid_skip = 0;
		3672
		3673	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3674	and return;
		3675
		3676	# always fsync - this file is important
		3677	aio_fsync $fh
		3678	and return;
		3679
		3680	close $fh
		3681	or return;
		3682
		3683	aio_rename "$uuid~", $uuid
		3684	and return;
		3685
		3686	warn "uuid file written ($value).\n";
		3687
		3688	1
		3689
		3690	}
		3691
		3692	sub write_uuid($$) {
		3693	my ($skip, $sync) = @_;
		3694
		3695	$sync ? write_uuid_sync $skip
		3696	: async { write_uuid_sync $skip };
2709	}	3697	}
2710		3698
2711	sub emergency_save() {	3699	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3700	my $freeze_guard = cf::freeze_mainloop;
2713		3701
2714	warn "enter emergency perl save\n";	3702	warn "emergency_perl_save: enter\n";
2715		3703
2716	cf::sync_job {	3704	cf::sync_job {
		3705	# this is a trade-off: we want to be very quick here, so
		3706	# save all maps without fsync, and later call a global sync
		3707	# (which in turn might be very very slow)
		3708	local $USE_FSYNC = 0;
		3709
2717	# use a peculiar iteration method to avoid tripping on perl	3710	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3711	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3712	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3713	warn "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3714	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3715	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3716	$pl->valid or next;
		3717	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3718	$pl->save;
2725	}	3719	}
2726	warn "end emergency player save\n";	3720	warn "emergency_perl_save: end player save\n";
2727		3721
2728	warn "begin emergency map save\n";	3722	warn "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3723	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3724	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3725	$map->valid or next;
2732	$map->save;	3726	$map->save;
2733	}	3727	}
2734	warn "end emergency map save\n";	3728	warn "emergency_perl_save: end map save\n";
2735		3729
2736	warn "begin emergency database checkpoint\n";	3730	warn "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3731	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3732	warn "emergency_perl_save: end database checkpoint\n";
		3733
		3734	warn "emergency_perl_save: begin write uuid\n";
		3735	write_uuid_sync 1;
		3736	warn "emergency_perl_save: end write uuid\n";
2739	};	3737	};
2740		3738
		3739	warn "emergency_perl_save: starting sync()\n";
		3740	IO::AIO::aio_sync sub {
		3741	warn "emergency_perl_save: finished sync()\n";
		3742	};
		3743
2741	warn "leave emergency perl save\n";	3744	warn "emergency_perl_save: leave\n";
2742	}	3745	}
2743		3746
2744	sub post_cleanup {	3747	sub post_cleanup {
2745	my ($make_core) = @_;	3748	my ($make_core) = @_;
2746		3749
2747	warn Carp::longmess "post_cleanup backtrace"	3750	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3751	if $make_core;
		3752
		3753	my $fh = pidfile;
		3754	unlink $PIDFILE if <$fh> == $$;
		3755	}
		3756
		3757	# a safer delete_package, copied from Symbol
		3758	sub clear_package($) {
		3759	my $pkg = shift;
		3760
		3761	# expand to full symbol table name if needed
		3762	unless ($pkg =~ /^main::.*::$/) {
		3763	$pkg = "main$pkg" if $pkg =~ /^::/;
		3764	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3765	$pkg .= '::' unless $pkg =~ /::$/;
		3766	}
		3767
		3768	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3769	my $stem_symtab = *{$stem}{HASH};
		3770
		3771	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3772	or return;
		3773
		3774	# clear all symbols
		3775	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3776	for my $name (keys %$leaf_symtab) {
		3777	_gv_clear *{"$pkg$name"};
		3778	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3779	}
		3780	warn "cleared package $pkg\n";#d#
2749	}	3781	}
2750		3782
2751	sub do_reload_perl() {	3783	sub do_reload_perl() {
2752	# can/must only be called in main	3784	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3785	if ($Coro::current != $Coro::main) {
2754	warn "can only reload from main coroutine";	3786	warn "can only reload from main coroutine";
2755	return;	3787	return;
2756	}	3788	}
2757		3789
		3790	return if $RELOAD++;
		3791
		3792	my $t1 = AE::time;
		3793
		3794	while ($RELOAD) {
2758	warn "reloading...";	3795	warn "reloading...";
2759		3796
2760	warn "entering sync_job";	3797	warn "entering sync_job";
2761		3798
2762	cf::sync_job {	3799	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3801	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3802	cf::write_runtime_sync; # external watchdog should not bark
2766		3803
2767	warn "syncing database to disk";	3804	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3805	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3806
2770	# if anything goes wrong in here, we should simply crash as we already saved	3807	# if anything goes wrong in here, we should simply crash as we already saved
2771		3808
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3809	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3810	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3812	}
2808		3813
2809	warn "... nuking $pkg";	3814	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3815	$_->cancel for values %EXT_CORO;
2811	}	3816	%EXT_CORO = ();
2812		3817
2813	warn "unloading all perl modules loaded from $LIBDIR";	3818	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3819	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3820
		3821	warn "removing ext/exti commands";
		3822	%EXTCMD = ();
		3823	%EXTICMD = ();
		3824
		3825	warn "unloading/nuking all extensions";
		3826	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3827	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3828
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3829	if (my $cb = $pkg->can ("unload")) {
		3830	eval {
2824	$cb->();	3831	$cb->($pkg);
		3832	1
		3833	} or warn "$pkg unloaded, but with errors: $@";
		3834	}
		3835
		3836	warn "... clearing $pkg";
		3837	clear_package $pkg;
2825	}	3838	}
2826		3839
2827	Symbol::delete_package $k;	3840	warn "unloading all perl modules loaded from $LIBDIR";
		3841	while (my ($k, $v) = each %INC) {
		3842	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3843
		3844	warn "... unloading $k";
		3845	delete $INC{$k};
		3846
		3847	$k =~ s/\.pm$//;
		3848	$k =~ s/\//::/g;
		3849
		3850	if (my $cb = $k->can ("unload_module")) {
		3851	$cb->();
		3852	}
		3853
		3854	clear_package $k;
2828	}	3855	}
2829		3856
2830	warn "getting rid of safe::, as good as possible";	3857	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3858	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3859	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3860
2834	warn "unloading cf.pm \"a bit\"";	3861	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3862	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3863	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3864
2838	# don't, removes xs symbols, too,	3865	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3866	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3867	#clear_package __PACKAGE__;
2841		3868
2842	warn "unload completed, starting to reload now";	3869	warn "unload completed, starting to reload now";
2843		3870
2844	warn "reloading cf.pm";	3871	warn "reloading cf.pm";
2845	require cf;	3872	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3873	cf::_connect_to_perl_1;
2847		3874
2848	warn "loading config and database again";	3875	warn "loading config and database again";
2849	cf::cfg_load;	3876	cf::reload_config;
2850		3877
2851	warn "loading extensions";	3878	warn "loading extensions";
2852	cf::load_extensions;	3879	cf::load_extensions;
2853		3880
		3881	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3882	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3883	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3884	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3885	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3886	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3887	reattach $_ for values %PLAYER;
		3888	}
2860		3889
		3890	warn "running post_init jobs";
		3891	(pop @POST_INIT)->(1) while @POST_INIT;
		3892
2861	warn "leaving sync_job";	3893	warn "leaving sync_job";
2862		3894
2863	1	3895	1
2864	} or do {	3896	} or do {
2865	warn $@;	3897	warn $@;
2866	warn "error while reloading, exiting.";	3898	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3899	};
2869		3900
2870	warn "reloaded";	3901	warn "reloaded";
		3902	--$RELOAD;
		3903	}
		3904
		3905	$t1 = AE::time - $t1;
		3906	warn "reload completed in ${t1}s\n";
2871	};	3907	};
2872		3908
2873	our $RELOAD_WATCHER; # used only during reload	3909	our $RELOAD_WATCHER; # used only during reload
2874		3910
2875	sub reload_perl() {	3911	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3912	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3913	# coro crashes during coro_state_free->destroy here.
2878		3914
2879	$RELOAD_WATCHER ||= Event->timer (	3915	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3916	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3917
2882	data => WF_AUTOCANCEL,	3918	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3919	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3920	undef $RELOAD_WATCHER;
2886	},	3921	};
2887	);	3922	};
2888	}	3923	}
2889		3924
2890	register_command "reload" => sub {	3925	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3926	my ($who, $arg) = @_;
2892		3927
2893	if ($who->flag (FLAG_WIZ)) {	3928	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3929	$who->message ("reloading server.");
		3930	async {
		3931	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3932	reload_perl;
		3933	};
2896	}	3934	}
2897	};	3935	};
2898		3936
2899	unshift @INC, $LIBDIR;	3937	unshift @INC, $LIBDIR;
2900		3938
…		…
2902		3940
2903	our @WAIT_FOR_TICK;	3941	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3942	our @WAIT_FOR_TICK_BEGIN;
2905		3943
2906	sub wait_for_tick {	3944	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3945	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		3946
2910	my $signal = new Coro::Signal;	3947	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3948	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3949	$signal->wait;
2913	}	3950	}
2914		3951
2915	sub wait_for_tick_begin {	3952	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3953	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		3954
2919	my $signal = new Coro::Signal;	3955	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3956	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3957	$signal->wait;
2922	}	3958	}
2923		3959
2924	my $min = 1e6;#d#	3960	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3961	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3962	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3963	unless ++$bug_warning > 10;
2936	return;	3964	return;
2937	}	3965	}
2938		3966
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3967	cf::server_tick; # one server iteration
2942		3968
2943	0 && sync_job {#d#	3969	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		3970
2949	$map->width (50);	3971	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	3972	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	3973	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	3974	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	3975	write_runtime_sync
2954		3976	or warn "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3977	};
		3978	}
2965		3979
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	3981	$sig->send;
2982	}	3982	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	3983	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	3984	$sig->send;
2985	}	3985	}
2986		3986
2987	$NOW = Event::time;	3987	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3988	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		3989
2998	_post_tick;	3990	if (0) {
2999		3991	if ($NEXT_TICK) {
3000		3992	my $jitter = $TICK_START - $NEXT_TICK;
		3993	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3994	warn "jitter $JITTER\n";#d#
		3995	}
3001	},	3996	}
3002	);	3997	}
3003		3998
3004	{	3999	{
3005	BDB::max_poll_time $TICK * 0.1;	4000	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4001
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4002	BDB::min_parallel 16;
3015		4003	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4004	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4005
3031	unless ($DB_ENV) {	4006	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4007	$DB_ENV = BDB::db_env_create;
		4008	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4009	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4010	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4011	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4012	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4013
3034	cf::sync_job {	4014	cf::sync_job {
3035	eval {	4015	eval {
3036	BDB::db_env_open	4016	BDB::db_env_open
3037	$DB_ENV,	4017	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4019	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4020	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4021	0666;
3042		4022
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4023	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4024	};
3048		4025
3049	cf::cleanup "db_env_open(db): $@" if $@;	4026	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4027	};
3051	}	4028	}
		4029
		4030	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4031	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4032	};
		4033	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4034	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4035	};
		4036	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4037	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4038	};
3052	}	4039	}
3053		4040
3054	{	4041	{
		4042	# configure IO::AIO
		4043
3055	IO::AIO::min_parallel 8;	4044	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4045	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4046	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4047	}
3068		4048
3069	my $_log_backtrace;	4049	my $_log_backtrace;
3070		4050
3071	sub _log_backtrace {	4051	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4054	$msg =~ s/\n//;
3075		4055
3076	# limit the # of concurrent backtraces	4056	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4057	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4058	++$_log_backtrace;
		4059	my $perl_bt = Carp::longmess $msg;
3079	async {	4060	async {
		4061	$Coro::current->{desc} = "abt $msg";
		4062
3080	my @bt = fork_call {	4063	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4064	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4065	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4066	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4067	or die "addr2line: $!";
…		…
3092	}	4075	}
3093		4076
3094	@funcs	4077	@funcs
3095	};	4078	};
3096		4079
3097	LOG llevInfo, "[ABT] $msg\n";	4080	LOG llevInfo, "[ABT] $perl_bt\n";
		4081	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4082	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4083	--$_log_backtrace;
3100	};	4084	};
3101	} else {	4085	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4086	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4087	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4088	}
3105	}	4089	}
3106		4090
3107	# load additional modules	4091	# load additional modules
3108	use cf::pod;	4092	require "cf/$_.pm" for @EXTRA_MODULES;
		4093	cf::_connect_to_perl_2;
3109		4094
3110	END { cf::emergency_save }	4095	END { cf::emergency_save }
3111		4096
3112	1	4097	1
3113		4098

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