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Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
73		115
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	118	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		150
101	binmode STDOUT;	151	binmode STDOUT;
102	binmode STDERR;	152	binmode STDERR;
103		153
104	# read virtual server time, if available	154	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
109	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
110		162
111	mkdir $_	163	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		165
114	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
115		167
116	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::"} };
117		180
118	#############################################################################	181	#############################################################################
119		182
120	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
121		184
…		…
157		220
158	The raw value load value from the last tick.	221	The raw value load value from the last tick.
159		222
160	=item %cf::CFG	223	=item %cf::CFG
161		224
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	226	from wherever your confdir points to.
164		227
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		229
167	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
168	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
169	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.
170		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
171	=back	246	=back
172		247
173	=cut	248	=cut
174		249
175	BEGIN {	250	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	251	my $msg = join "", @_;
178		252
179	$msg .= "\n"	253	$msg .= "\n"
180	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
181		255
182	$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;
183		257
184	utf8::encode $msg;
185	LOG llevError, $msg;	258	LOG llevError, $msg;
186	};	259	};
187	}	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	};
188		274
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	285	for my $pkg (qw(
200	cf::global cf::attachable	286	cf::global cf::attachable
201	cf::object cf::object::player	287	cf::object cf::object::player
202	cf::client cf::player	288	cf::client cf::player
203	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
204	cf::map cf::party cf::region	291	cf::party cf::region
205	)) {	292	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	294	}
209		295
210	$Event::DIED = sub {	296	$EV::DIED = sub {
211	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
212	};	298	};
213		299
214	#############################################################################	300	#############################################################################
215		301
216	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	325	$d
240	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
241	}	327	}
242		328
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
251	=cut	337	=cut
252		338
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		340
255	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		357
258	=item cf::lock_wait $string	358	=item cf::lock_wait $string
259		359
260	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
261		361
262	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
263		363
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
267	returned.	367	returned.
268		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
269	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
270	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
271		374
272	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
273		376
274	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.
275		378
276	=cut	379	=cut
277		380
278	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
279		382
280	sub lock_wait($) {	383	sub lock_wait($) {
281	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	385	}
289		386
290	sub lock_acquire($) {	387	sub lock_acquire($) {
291	my ($key) = @_;	388	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	389	}
303		390
304	sub lock_active($) {	391	sub lock_active($) {
305	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	393	}
309		394
310	sub freeze_mainloop {	395	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
312		397
313	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
314	$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 timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
315	};	465	}
316	$TICK_WATCHER->stop;	466	};
317	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
318	}	481	}
319		482
320	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
321		484
322	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		490
328	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
329		492
330	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
331		494
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	498	acceptable.
336		499
337	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		506
344	sub sync_job(&) {	507	sub sync_job(&) {
345	my ($job) = @_;	508	my ($job) = @_;
346		509
347	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	511	my $time = AE::time;
349		512
350	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
352		515
353	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	517
355	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
356		519
357	my $busy = 1;	520	my $busy = 1;
358	my @res;	521	my @res;
359		522
360	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	525	@res = eval { $job->() };
362	warn $@ if $@;	526	warn $@ if $@;
363	undef $busy;	527	undef $busy;
364	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
365		529
366	while ($busy) {	530	while ($busy) {
367	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
368	}	535	}
		536	}
369		537
370	$time = Event::time - $time;	538	my $time = AE::time - $time;
371		539
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
376		541
377	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
378	} else {	543	} else {
379	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
380		545
…		…
405	=item fork_call { }, $args	570	=item fork_call { }, $args
406		571
407	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
411		576
412	=cut	577	=cut
413		578
414	sub fork_call(&@) {	579	sub fork_call(&@) {
415	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
416		581
417	# 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,
418	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		585
422	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	587	reset_signals;
435	local $SIG{__WARN__};	588	&$cb
436	local $SIG{__DIE__};	589	}, @args;
437	eval {
438	close $fh1;
439		590
440	my @res = eval { $cb->(@args) };	591	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	592	}
442	};
443		593
444	warn $@ if $@;	594	=item $coin = coin_from_name $name
445	_exit 0;	595
446	}	596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
447	}	619	}
448		620
449	=item $value = cf::db_get $family => $key	621	=item $value = cf::db_get $family => $key
450		622
451	Returns a single value from the environment database.	623	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	625	=item cf::db_put $family => $key => $value
454		626
455	Stores the given C<$value> in the family. It can currently store binary	627	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
458	=cut	635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
459		653
460	our $DB;	654	our $DB;
461		655
462	sub db_init {	656	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	657	cf::sync_job {
467	eval {	658	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	659	};
477	}	660	}
478		661
479	sub db_get($$) {	662	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	663	my $key = "$_[0]/$_[1]";
481		664
…		…
531	if (1) {	714	if (1) {
532	$md5 =	715	$md5 =
533	join "\x00",	716	join "\x00",
534	$processversion,	717	$processversion,
535	map {	718	map {
536	Coro::cede;	719	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	720	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	721	} 0.. $#$src;
539		722
540		723
541	my $dbmd5 = db_get cache => "$id/md5";	724	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		762
580	#############################################################################	763	#############################################################################
581		764
582	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
583		766
584	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
587		770
588	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	773	Deliantra).
591		774
592	=over 4	775	=over 4
593		776
594	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
595		778
…		…
639	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
640		823
641	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
643		826
644	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
646		829
647	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
648		831
649	=over 4	832	=over 4
…		…
847	";	1030	";
848	die if $@;	1031	die if $@;
849	}	1032	}
850		1033
851	our $override;	1034	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1036
854	sub override {	1037	sub override {
855	$override = 1;	1038	$override = 1;
856	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
857	}	1040	}
858		1041
859	sub do_invoke {	1042	sub do_invoke {
860	my $event = shift;	1043	my $event = shift;
861	my $callbacks = shift;	1044	my $callbacks = shift;
862		1045
863	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
864		1047
865	local $override;	1048	local $override;
866		1049
867	for (@$callbacks) {	1050	for (@$callbacks) {
868	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
877	}	1060	}
878		1061
879	0	1062	0
880	}	1063	}
881		1064
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1066
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1068
886	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
887		1070
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1074
892	=back	1075	=back
893		1076
894	=cut	1077	=cut
895		1078
896	#############################################################################	1079	#############################################################################
897	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
898		1123
899	sub reattach {	1124	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1126	my ($obj) = @_;
902		1127
		1128	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1130
905	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
906		1132
907	@$registry = ();	1133	@$registry = ();
908		1134
…		…
923	cf::attachable->attach (	1149	cf::attachable->attach (
924	prio => -1000000,	1150	prio => -1000000,
925	on_instantiate => sub {	1151	on_instantiate => sub {
926	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
927		1153
928	$data = from_json $data;	1154	$data = decode_json $data;
929		1155
930	for (@$data) {	1156	for (@$data) {
931	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
932		1158
933	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1175	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
951		1177
952	sync_job {	1178	sync_job {
953	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
956		1183
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
961	close $fh;	1191	aio_close $fh;
962		1192
963	if (@$objs) {	1193	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1202	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
971	}	1204	}
972	} else {	1205	} else {
973	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
974	}	1207	}
975		1208
976	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1213	} else {
978	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
979	}	1215	}
980	} else {	1216	} else {
981	aio_unlink $filename;	1217	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
983	}	1219	}
984	}	1220	};
985	}	1221	}
986		1222
987	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
989		1225
…		…
1001	or return;	1237	or return;
1002		1238
1003	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1241	or return;
		1242
1006	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
1007	}	1245	}
1008		1246
		1247	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
1011	return ($data, $av);	1251	($data, $av)
1012	}	1252	}
1013		1253
1014	=head2 COMMAND CALLBACKS	1254	=head2 COMMAND CALLBACKS
1015		1255
1016	=over 4	1256	=over 4
…		…
1070	my ($name, $cb) = @_;	1310	my ($name, $cb) = @_;
1071		1311
1072	$EXTICMD{$name} = $cb;	1312	$EXTICMD{$name} = $cb;
1073	}	1313	}
1074		1314
		1315	use File::Glob ();
		1316
1075	cf::player->attach (	1317	cf::player->attach (
1076	on_command => sub {	1318	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
1078		1320
1079	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
1080	or return;	1322	or return;
1081		1323
…		…
1089	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
1090		1332
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1334
1093	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1099	} else {	1350	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1352	}
1102		1353
1103	cf::override;	1354	cf::override;
1104	},	1355	},
1105	);	1356	);
		1357
		1358	# "readahead" all extensions
		1359	sub cache_extensions {
		1360	my $grp = IO::AIO::aio_group;
		1361
		1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1363	for (grep /\.ext$/, @{$_[0]}) {
		1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1365	}
		1366	};
		1367
		1368	$grp
		1369	}
1106		1370
1107	sub load_extensions {	1371	sub load_extensions {
1108	cf::sync_job {	1372	cf::sync_job {
1109	my %todo;	1373	my %todo;
1110		1374
…		…
1130		1394
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1397
1134	$ext{source} =	1398	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
1137	. $source	1401	. $source
1138	. "\n};\n1";	1402	. "\n};\n1";
1139		1403
1140	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
1141	}	1405	}
1142		1406
		1407	my $pass = 0;
1143	my %done;	1408	my %done;
1144	while (%todo) {	1409	while (%todo) {
1145	my $progress;	1410	my $progress;
1146		1411
		1412	++$pass;
		1413
		1414	ext:
1147	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1417	next ext
1150	unless exists $done{$_};	1418	unless exists $done{$_};
1151	}	1419	}
1152		1420
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1422
1155	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1160	warn $msg;	1430	} else {
1161	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1162	exit 1;	1432	push @EXTS, $v->{pkg};
1163	}	1433	$progress = 1;
1164		1434
1165	warn $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1166	}	1437	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1438	}
1172		1439
1173	skip:	1440	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
1176	}	1448	}
1177	};	1449	};
1178	}	1450	}
1179		1451
1180	#############################################################################	1452	#############################################################################
1181		1453
1182	=back	1454	=back
1183		1455
1184	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1185		1457
1186	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1187		1459
1188	=cut	1460	=cut
1189		1461
1190	package cf::player;	1462	package cf::player;
1191		1463
1192	use Coro::AIO;	1464	use Coro::AIO;
1193		1465
1194	=head3 cf::player	1466	=head3 cf::player
1195		1467
1196	=over 4	1468	=over 4
		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
1197		1483
1198	=item cf::player::find $login	1484	=item cf::player::find $login
1199		1485
1200	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1201		1487
…		…
1220		1506
1221	sub exists($) {	1507	sub exists($) {
1222	my ($login) = @_;	1508	my ($login) = @_;
1223		1509
1224	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1226	}	1512	}
1227		1513
1228	sub find($) {	1514	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1516	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1527
1242	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1245	}	1537	}
1246	}	1538	}
1247	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1248		1553
1249	sub save($) {	1554	sub save($) {
1250	my ($pl) = @_;	1555	my ($pl) = @_;
1251		1556
1252	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1258		1563
1259	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1261		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1262	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1263	Coro::cede;	1573	cf::cede_to_tick;
1264	}	1574	}
1265		1575
1266	sub new($) {	1576	sub new($) {
1267	my ($login) = @_;	1577	my ($login) = @_;
1268		1578
…		…
1274	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1275		1585
1276	$self	1586	$self
1277	}	1587	}
1278		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1279	=item $pl->quit_character	1599	=item $pl->quit_character
1280		1600
1281	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1283		1603
…		…
1287	my ($pl) = @_;	1607	my ($pl) = @_;
1288		1608
1289	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1290		1610
1291	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1613
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1298		1620
1299	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1658	or return [];
1337		1659
1338	my @logins;	1660	my @logins;
1339		1661
1340	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1344		1672
1345	utf8::decode $login;	1673	utf8::decode $login;
1346	push @logins, $login;	1674	push @logins, $login;
1347	}	1675	}
1348		1676
…		…
1375	}	1703	}
1376		1704
1377	\@paths	1705	\@paths
1378	}	1706	}
1379		1707
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1709
1382	Expand crossfire pod fragments into protocol xml.	1710	Expand deliantra pod fragments into protocol xml.
1383		1711
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1428		1713
1429	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1430		1715
1431	=cut	1716	=cut
1432		1717
1433	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1435		1720
1436	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1722	}
1439		1723
1440	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1441		1725
1442	Sends an ext event to the client.	1726	Sends an ext event to the client.
1443		1727
1444	=cut	1728	=cut
1445		1729
1446	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1448		1732
1449	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1450	}	1734	}
1451		1735
1452	=head3 cf::region	1736	=head3 cf::region
1453		1737
1454	=over 4	1738	=over 4
…		…
1467	my ($path) = @_;	1751	my ($path) = @_;
1468		1752
1469	my ($match, $specificity);	1753	my ($match, $specificity);
1470		1754
1471	for my $region (list) {	1755	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1475	}	1759	}
1476	}	1760	}
1477		1761
…		…
1498	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1500		1784
1501	sub generate_random_map {	1785	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1503	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1504	$self->_create_random_map (	1791	$self->_create_random_map (
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1597	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1598	return $self;	1885	return $self;
1599	}	1886	}
1600	}	1887	}
1601		1888
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1603	()	1890	()
1604	}	1891	}
1605		1892
1606	sub init {	1893	sub init {
1607	my ($self) = @_;	1894	my ($self) = @_;
…		…
1629		1916
1630	# the temporary/swap location	1917	# the temporary/swap location
1631	sub save_path {	1918	sub save_path {
1632	my ($self) = @_;	1919	my ($self) = @_;
1633		1920
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1636	}	1923	}
1637		1924
1638	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1639	sub uniq_path {	1926	sub uniq_path {
1640	my ($self) = @_;	1927	my ($self) = @_;
1641		1928
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	1931	}
1654		1932
1655	sub decay_objects {	1933	sub decay_objects {
1656	my ($self) = @_;	1934	my ($self) = @_;
1657		1935
…		…
1670		1948
1671	sub load_header_from($) {	1949	sub load_header_from($) {
1672	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1673		1951
1674	utf8::encode $path;	1952	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1680		1961
1681	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1682		1963
1683	1	1964	1
1684	}	1965	}
…		…
1738	sub find {	2019	sub find {
1739	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1740		2021
1741	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1742		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2026
1745	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1748	or return;	2029	or return;
1749		2030
1750	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1751		2032
…		…
1753	or return;	2034	or return;
1754		2035
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1758	$map->reset;	2041	$map->reset;
1759	undef $guard;
1760	return find $path;	2042	return find $path;
1761	}	2043	}
1762		2044
1763	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1764	}	2046	}
1765	}	2047	}
1766		2048
1767	sub pre_load { }	2049	sub pre_load { }
1768	sub post_load { }	2050	#sub post_load { } # XS
1769		2051
1770	sub load {	2052	sub load {
1771	my ($self) = @_;	2053	my ($self) = @_;
1772		2054
1773	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1774		2056
1775	my $path = $self->{path};	2057	my $path = $self->{path};
1776		2058
1777	{	2059	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1779		2061
		2062	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2064
1782	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1783		2066
1784	$self->alloc;	2067	$self->alloc;
1785		2068
1786	$self->pre_load;	2069	$self->pre_load;
1787	Coro::cede;	2070	cf::cede_to_tick;
1788		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1790	or return;	2075	or return;
1791		2076
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1793	if delete $self->{load_original};	2078	if delete $self->{load_original};
1794		2079
1795	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2081	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2084	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1800	}	2088	}
1801	}	2089	}
1802		2090
1803	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1804	# now do the right thing for maps	2094	# now do the right thing for maps
1805	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2097	unless $self->difficulty;
1808	Coro::cede;	2098	cf::cede_to_tick;
1809		2099
1810	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2101	$self->decay_objects;
1812	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1813	$self->update_buttons;	2103	$self->update_buttons;
1814	Coro::cede;	2104	cf::cede_to_tick;
1815	$self->set_darkness_map;
1816	Coro::cede;
1817	$self->activate;	2105	$self->activate;
1818	}	2106	}
1819		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1821	}	2112	}
1822		2113
1823	$self->post_load;	2114	$self->post_load;
1824	}	2115	}
1825		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1826	sub customise_for {	2120	sub customise_for {
1827	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1828		2122
1829	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2124	if $self->per_player;
…		…
1834		2128
1835	$self	2129	$self
1836	}	2130	}
1837		2131
1838	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {	2133	sub load_neighbours {
1840	my ($map) = @_;	2134	my ($map) = @_;
1841		2135
1842	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1843		2137
1844	for (0 .. 3) {	2138	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1846	or next;	2140	or next;
1847	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1848	or next;	2142	or next;
1849	$neigh->load;	2143	$neigh->load;
1850		2144
		2145	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2148	}
1854		2149
1855	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1857	or next;	2153	or next;
1858	$neigh->load;	2154	$neigh->load;
1859	}	2155	}
1860	}	2156	}
1861		2157
…		…
1866	}	2162	}
1867		2163
1868	sub do_load_sync {	2164	sub do_load_sync {
1869	my ($map) = @_;	2165	my ($map) = @_;
1870		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1871	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1872	}	2171	}
1873		2172
1874	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1876		2175
1877	sub find_async {	2176	sub find_async {
1878	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1879		2178
1880	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1881		2180
1882	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884	}	2183	}
1885		2184
1886	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1887	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1888	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2192	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2193	$map->load if $v;
		2194	}
1893		2195
1894	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1895	}	2197	}
1896	}	2198	}
1897	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1898	};	2200	};
1899	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1902	}	2204	}
1903		2205
1904	sub save {	2206	sub save {
1905	my ($self) = @_;	2207	my ($self) = @_;
1906		2208
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1908		2210
1909	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1910		2212
1911	return unless $self->dirty;	2213	return unless $self->dirty;
1912		2214
…		…
1918	return if $self->{deny_save};	2220	return if $self->{deny_save};
1919		2221
1920	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1921		2223
1922	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1924	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1925		2230
1926	if ($uniq) {	2231	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2234	} else {
…		…
1935	my ($self) = @_;	2240	my ($self) = @_;
1936		2241
1937	# save first because save cedes	2242	# save first because save cedes
1938	$self->save;	2243	$self->save;
1939		2244
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2246
1942	return if $self->players;	2247	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1944	return if $self->{deny_save};	2249	return if $self->{deny_save};
1945		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1946	$self->clear;	2255	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2256	}
1949		2257
1950	sub reset_at {	2258	sub reset_at {
1951	my ($self) = @_;	2259	my ($self) = @_;
1952		2260
…		…
1970		2278
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2280
1973	return if $self->players;	2281	return if $self->players;
1974		2282
1975	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
1976		2284
1977	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1978		2286
1979	# need to save uniques path	2287	# need to save uniques path
1980	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1984	if $uniq;	2292	if $uniq;
1985	}	2293	}
1986		2294
1987	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1988		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2299	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2300
1993	$self->unlink_save;	2301	$self->unlink_save;
1994	$self->destroy;	2302	$self->destroy;
1995	}	2303	}
1996		2304
1997	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1998		2306
1999	sub nuke {	2307	sub nuke {
2000	my ($self) = @_;	2308	my ($self) = @_;
2001		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
2002	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
2003		2314
2004	$self->unlink_save;	2315	$self->unlink_save;
2005		2316
2006	bless $self, "cf::map";	2317	bless $self, "cf::map";
2007	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2322
2012	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
2013		2325
2014	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
2015	}	2327	}
2016		2328
2017	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
2059		2371
2060	sub unique_maps() {	2372	sub unique_maps() {
2061	[	2373	[
2062	map {	2374	map {
2063	utf8::decode $_;	2375	utf8::decode $_;
2064	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
2065	? normalise $_	2379	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2381	]
2069	}	2382	}
2070		2383
2071	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
2072		2415
2073	=back	2416	=back
2074		2417
2075	=head3 cf::object	2418	=head3 cf::object
2076		2419
…		…
2080		2423
2081	=over 4	2424	=over 4
2082		2425
2083	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
2084		2427
2085	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
2086		2430
2087	=cut	2431	=cut
2088		2432
2089	sub inv_recursive_;	2433	sub inv_recursive_;
2090	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
2093		2437
2094	sub inv_recursive {	2438	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
2096	}	2440	}
2097		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
2098	package cf;	2470	package cf;
2099		2471
2100	=back	2472	=back
2101		2473
2102	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
2108	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
2110	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
2111		2483
2112	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
2113		2499
2114	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2501	# with dialog boxes.
2116	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
2117	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
2124		2510
2125	} else {	2511	} else {
2126	my $pl = $self->contr;	2512	my $pl = $self->contr;
2127		2513
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2515	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2517
2137	} else {	2518	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2521	}
2141	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
2142	}	2533	}
2143		2534
2144	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
2145		2536
2146	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
2159		2550
2160	=item $player_object->enter_link	2551	=item $player_object->enter_link
2161		2552
2162	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
2163		2554
2164	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
2165	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
2166		2559
2167	Will never block.	2560	Will never block.
2168		2561
2169	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
2170		2563
…		…
2222	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2224		2617
2225	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2228		2621
2229	$map->load;	2622	$map->load;
2230	$map->load_diag;	2623	$map->load_neighbours;
2231		2624
2232	return unless $self->contr->active;	2625	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2626
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
2237	}
2238		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
		2632	}
		2633
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2240		2635
2241	Moves the player to the given map-path and coordinates by first freezing	2636	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2638	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2639	the new (success) or old (failed) map position. In either case, $done will
		2640	be called at the end of this process.
		2641
		2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
2245		2644
2246	=cut	2645	=cut
2247		2646
2248	our $GOTOGEN;	2647	our $GOTOGEN;
2249		2648
2250	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
2252		2651
2253	# do generation counting so two concurrent goto's will be executed in-order	2652	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2654
2256	$self->enter_link;	2655	$self->enter_link;
2257		2656
2258	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
2259	my $map = eval {	2679	my $map = eval {
2260	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2261		2681
2262	if ($map) {	2682	if ($map) {
2263	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2265	} else {	2685	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2687	}
2268		2688
2269	$map	2689	$map
2270	};	2690	};
2271		2691
…		…
2276		2696
2277	if ($gen == $self->{_goto_generation}) {	2697	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2698	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
2280	}	2700	}
		2701
		2702	$done->() if $done;
2281	})->prio (1);	2703	})->prio (1);
2282	}	2704	}
2283		2705
2284	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
2285		2707
…		…
2305	}	2727	}
2306		2728
2307	sub prepare_random_map {	2729	sub prepare_random_map {
2308	my ($exit) = @_;	2730	my ($exit) = @_;
2309		2731
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2734	# that depends on the exit object
2315		2735
2316	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2738	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2323	}	2745	}
2324		2746
2325	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2326		2748
2327	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2330		2752
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2755	undef $fh;
2334	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2335		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2338	}	2764	}
2339	}	2765	}
2340		2766
2341	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2343		2769
2344	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2345		2771
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2772	$self->enter_link;
2358		2773
2359	(async {	2774	(async {
2360	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2361	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2362	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2363		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2364	1;	2798	1
2365	}) {	2799	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2368	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2370		2804
2371	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2390		2824
2391	utf8::encode $text;	2825	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2827	}
2394		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2855
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2856	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2857	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2858	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2859	the message unless the client supports the msg packet.
2401		2860
2402	=cut	2861	=cut
2403		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
2404	sub cf::client::send_msg {	2977	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	2978	my ($self, $channel, $msg, $color, @extra) = @_;
2406		2979
2407	$msg = $self->pl->expand_cfpod ($msg);	2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
2408		2982
2409	if ($self->can_msg) {	2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		2984
2422	if ($color >= 0) {	2985	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	2986	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	2987	$channel = $CHANNEL{$channel};
2425	} else {	2988
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2989	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
2428	}	2997	}
2429	}
2430	}
2431	}
2432		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2433	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2434		3017
2435	Sends an ext event to the client.	3018	Sends an ext event to the client.
2436		3019
2437	=cut	3020	=cut
2438		3021
2439	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2441		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2444	}	3049	}
2445		3050
2446	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2447		3052
2448	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3108	my ($ns, $buf) = @_;
2504		3109
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3111
2507	if (ref $msg) {	3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3120	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3121	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
2514	} else {	3127	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3129	}
2517		3130
2518	cf::override;	3131	cf::override;
…		…
2540		3153
2541	$coro	3154	$coro
2542	}	3155	}
2543		3156
2544	cf::client->attach (	3157	cf::client->attach (
2545	on_destroy => sub {	3158	on_client_destroy => sub {
2546	my ($ns) = @_;	3159	my ($ns) = @_;
2547		3160
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3162	},
2550	);	3163	);
…		…
2565	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2567		3180
2568	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2569		3182
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2571		3188
2572	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2573		3190
2574	=pod	3191	=pod
2575		3192
2576	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2577		3194
2578	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2579	cf::object::player player	3200	cf::object::player
2580	cf::player peaceful	3201	player
2581	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2582		3208
2583	=cut	3209	=cut
2584		3210
2585	for (	3211	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2590	) {	3218	) {
2591	no strict 'refs';	3219	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2611		3239
2612	my $qcode = $code;	3240	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2615		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2616	local $_;	3247	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3248
2619	my $eval =	3249	my $eval =
2620	"do {\n"	3250	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3253	. $code
2624	. "\n}"	3254	. "\n}"
2625	;	3255	;
2626		3256
		3257	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2630		3266
2631	if ($@) {	3267	if ($@) {
2632	warn "$@";	3268	warn "$@";
2633	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2634	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2653	=cut	3289	=cut
2654		3290
2655	sub register_script_function {	3291	sub register_script_function {
2656	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2657		3293
2658	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2660	}	3296	}
2661		3297
2662	=back	3298	=back
2663		3299
2664	=cut	3300	=cut
…		…
2666	#############################################################################	3302	#############################################################################
2667	# the server's init and main functions	3303	# the server's init and main functions
2668		3304
2669	sub load_facedata($) {	3305	sub load_facedata($) {
2670	my ($path) = @_;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2671		3313
2672	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2673		3315
2674	my $facedata;	3316	my $facedata;
2675	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2678	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2679		3321
2680	$facedata->{version} == 2	3322	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2683	{	3334	{
2684	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2685		3336
2686	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3344
		3345	cf::cede_to_tick;
2692	}	3346	}
2693		3347
2694	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2696	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2697	or next;	3352	or next;
		3353
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3357	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3359	}
2703	Coro::cede;	3360
		3361	cf::cede_to_tick;
2704	}	3362	}
2705	}	3363	}
2706		3364
2707	{	3365	{
2708	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2709		3367
2710	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3370	cf::cede_to_tick;
2713	}	3371	}
2714		3372
2715	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2716	}	3374	}
2717		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2718	1	3395	1
2719	}	3396	}
2720		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
2721	sub reload_regions {	3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
2722	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
2724	}	3448	}
2725		3449
2726	sub reload_facedata {	3450	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3451	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
2729	}	3453	}
2730		3454
2731	sub reload_archetypes {	3455	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3456	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3457	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references
2735	# this really needs to be done in an extra post-pass
2736	# (which needs to be synchronous, so solve it differently)
2737	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";
2739	}	3458	}
2740		3459
2741	sub reload_treasures {	3460	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3461	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3462	or die "unable to load treasurelists\n";
2744	}	3463	}
2745		3464
2746	sub reload_resources {	3465	sub reload_resources {
2747	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2748		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2749	reload_regions;	3470	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3471	reload_treasures;
2754		3472
2755	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2756	}	3474	}
2757		3475
2758	sub init {	3476	sub reload_config {
2759	reload_resources;	3477	warn "reloading config file...\n";
2760	}
2761		3478
2762	sub cfg_load {
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2764	or return;	3480	or return;
2765		3481
2766	local $/;	3482	local $/;
2767	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2768		3484
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2770		3486
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2776	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2777	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2778	};	3494	};
2779	warn $@ if $@;	3495	warn $@ if $@;
2780	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2781	}	3527	}
2782		3528
2783	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2784	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3547	(async {
2788	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2790	};	3551	};
2791		3552
2792	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2793	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2794	load_extensions;	3571	load_extensions;
2795		3572
2796	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2798	}	3583	}
2799		3584
2800	#############################################################################	3585	#############################################################################
2801	# initialisation and cleanup	3586	# initialisation and cleanup
2802		3587
2803	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2804	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2813	},
2814	);	3594	};
2815	}	3595	}
2816	}	3596	}
2817		3597
2818	sub write_runtime {	3598	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3599	my $t0 = AE::time;
2820		3600
2821	# first touch the runtime file to show we are still running:	3601	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3602	# the fsync below can take a very very long time.
2823		3603
2824	IO::AIO::aio_utime $runtime, undef, undef;	3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3605
2826	my $guard = cf::lock_acquire "write_runtime";	3606	my $guard = cf::lock_acquire "write_runtime";
2827		3607
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3609	or return;
2830		3610
2831	my $value = $cf::RUNTIME + 90 + 10;	3611	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3612	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3613	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3623	aio_utime $fh, undef, undef;
2844		3624
2845	close $fh	3625	close $fh
2846	or return;	3626	or return;
2847		3627
2848	aio_rename "$runtime~", $runtime	3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3629	and return;
2850		3630
2851	warn "runtime file written.\n";	3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3632
2853	1	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2854	}	3684	}
2855		3685
2856	sub emergency_save() {	3686	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2858		3688
2859	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2860		3690
2861	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2862	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3705	$pl->save;
2870	}	3706	}
2871	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2872		3708
2873	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3712	$map->valid or next;
2877	$map->save;	3713	$map->save;
2878	}	3714	}
2879	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2880		3716
2881	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2884	};	3724	};
2885		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2886	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2887	}	3732	}
2888		3733
2889	sub post_cleanup {	3734	sub post_cleanup {
2890	my ($make_core) = @_;	3735	my ($make_core) = @_;
2891		3736
2892	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
2894	}	3768	}
2895		3769
2896	sub do_reload_perl() {	3770	sub do_reload_perl() {
2897	# can/must only be called in main	3771	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2899	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2900	return;	3774	return;
2901	}	3775	}
2902		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2903	warn "reloading...";	3782	warn "reloading...";
2904		3783
2905	warn "entering sync_job";	3784	warn "entering sync_job";
2906		3785
2907	cf::sync_job {	3786	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2909	cf::emergency_save;	3788	cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2911		3790
2912	warn "syncing database to disk";	3791	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2914		3793
2915	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2916		3795
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2928	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();
2936
2937	warn "removing commands";
2938	%COMMAND = ();
2939
2940	warn "removing ext/exti commands";
2941	%EXTCMD = ();
2942	%EXTICMD = ();
2943
2944	warn "unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";
2947
2948	if (my $cb = $pkg->can ("unload")) {
2949	eval {
2950	$cb->($pkg);
2951	1
2952	} or warn "$pkg unloaded, but with errors: $@";
2953	}	3799	}
2954		3800
2955	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2956	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2957	}	3803	%EXT_CORO = ();
2958		3804
2959	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2960	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2963	warn "... unloading $k";	3814	warn "... unloading $pkg";
2964	delete $INC{$k};
2965		3815
2966	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;
2968
2969	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2970	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2971	}	3825	}
2972		3826
2973	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2974	}	3842	}
2975		3843
2976	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		3847
2980	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		3851
2984	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2985	# and global variables created in xs	3853	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2987		3855
2988	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2989		3857
2990	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2991	require cf;	3859	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2993		3861
2994	warn "loading config and database again";	3862	warn "loading config and database again";
2995	cf::cfg_load;	3863	cf::reload_config;
2996		3864
2997	warn "loading extensions";	3865	warn "loading extensions";
2998	cf::load_extensions;	3866	cf::load_extensions;
2999		3867
		3868	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
3003	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
3006		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
3007	warn "leaving sync_job";	3880	warn "leaving sync_job";
3008		3881
3009	1	3882	1
3010	} or do {	3883	} or do {
3011	warn $@;	3884	warn $@;
3012	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
3013	exit 1;
3014	};	3886	};
3015		3887
3016	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
3017	};	3894	};
3018		3895
3019	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
3020		3897
3021	sub reload_perl() {	3898	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
3024		3901
3025	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	3904
3028	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	3906	do_reload_perl;
3031	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
3032	},	3908	};
3033	);	3909	};
3034	}	3910	}
3035		3911
3036	register_command "reload" => sub {	3912	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
3038		3914
3039	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	3919	reload_perl;
		3920	};
3042	}	3921	}
3043	};	3922	};
3044		3923
3045	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
3046		3925
…		…
3048		3927
3049	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
3051		3930
3052	sub wait_for_tick {	3931	sub wait_for_tick {
3053	return unless $TICK_WATCHER->is_active;
3054	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055		3933
3056	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	3936	$signal->wait;
3059	}	3937	}
3060		3938
3061	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		3941
3065	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	3944	$signal->wait;
3068	}	3945	}
3069		3946
3070	my $min = 1e6;#d#	3947	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
3082	return;	3951	return;
3083	}	3952	}
3084		3953
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
3088		3955
3089	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090	for(1..10) {
3091	my $t = Event::time;
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093	or die;
3094		3957
3095	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097	$map->alloc;	3960	Coro::async_pool {
3098	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
3099	my $t = Event::time - $t;	3962	write_runtime_sync
3100		3963	or warn "ERROR: unable to write runtime file: $!";
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	3964	};
		3965	}
3111		3966
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	3968	$sig->send;
3128	}	3969	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	3971	$sig->send;
3131	}	3972	}
3132		3973
3133	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		3976
3144	_post_tick;	3977	if (0) {
3145		3978	if ($NEXT_TICK) {
3146		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
3147	},	3983	}
3148	);	3984	}
3149		3985
3150	{	3986	{
3151	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	3988
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3161		3990	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		3992
3177	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4000
3180	cf::sync_job {	4001	cf::sync_job {
3181	eval {	4002	eval {
3182	BDB::db_env_open	4003	BDB::db_env_open
3183	$DB_ENV,	4004	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4008	0666;
3188		4009
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4011	};
3194		4012
3195	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4014	};
3197	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
3198	}	4026	}
3199		4027
3200	{	4028	{
		4029	# configure IO::AIO
		4030
3201	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4034	}
3214		4035
3215	my $_log_backtrace;	4036	my $_log_backtrace;
3216		4037
3217	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3220	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3221		4042
3222	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3224	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3225	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3226	my @bt = fork_call {	4050	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3238	}	4062	}
3239		4063
3240	@funcs	4064	@funcs
3241	};	4065	};
3242		4066
3243	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4070	--$_log_backtrace;
3246	};	4071	};
3247	} else {	4072	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3250	}	4075	}
3251	}	4076	}
3252		4077
3253	# load additional modules	4078	# load additional modules
3254	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3255		4081
3256	END { cf::emergency_save }	4082	END { cf::emergency_save }
3257		4083
3258	1	4084	1
3259		4085

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