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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.318 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.516 by root, Thu Apr 15 06:05:52 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
74		115
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	118	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
101		150
102	binmode STDOUT;	151	binmode STDOUT;
103	binmode STDERR;	152	binmode STDERR;
104		153
105	# read virtual server time, if available	154	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
110	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
111		162
112	mkdir $_	163	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		165
115	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
116		167
117	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		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::"} };
118		180
119	#############################################################################	181	#############################################################################
120		182
121	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
122		184
…		…
158		220
159	The raw value load value from the last tick.	221	The raw value load value from the last tick.
160		222
161	=item %cf::CFG	223	=item %cf::CFG
162		224
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	226	from wherever your confdir points to.
165		227
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		229
168	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
169	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
170	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.
171		233
172	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
173		235
174	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	238	that call.
177		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
178	=back	246	=back
179		247
180	=cut	248	=cut
181		249
182	BEGIN {	250	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	251	my $msg = join "", @_;
185		252
186	$msg .= "\n"	253	$msg .= "\n"
187	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
188		255
189	$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;
190		257
191	utf8::encode $msg;
192	LOG llevError, $msg;	258	LOG llevError, $msg;
193	};	259	};
194	}	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	};
195		274
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	285	for my $pkg (qw(
207	cf::global cf::attachable	286	cf::global cf::attachable
208	cf::object cf::object::player	287	cf::object cf::object::player
209	cf::client cf::player	288	cf::client cf::player
210	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
211	cf::map cf::party cf::region	291	cf::party cf::region
212	)) {	292	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	294	}
216		295
217	$Event::DIED = sub {	296	$EV::DIED = sub {
218	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
219	};	298	};
220		299
221	#############################################################################	300	#############################################################################
222		301
223	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	325	$d
247	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
248	}	327	}
249		328
250	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
251		330
252	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
253		332
254	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
255		334
256	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
257		336
258	=cut	337	=cut
259		338
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		340
262	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		357
265	=item cf::lock_wait $string	358	=item cf::lock_wait $string
266		359
267	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
268		361
269	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
270		363
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
274	returned.	367	returned.
275		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
276	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
277	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
278		374
279	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
280		376
281	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.
282		378
283	=cut	379	=cut
284		380
285	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
286		382
287	sub lock_wait($) {	383	sub lock_wait($) {
288	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	385	}
296		386
297	sub lock_acquire($) {	387	sub lock_acquire($) {
298	my ($key) = @_;	388	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	389	}
310		390
311	sub lock_active($) {	391	sub lock_active($) {
312	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	393	}
316		394
317	sub freeze_mainloop {	395	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
319		397
320	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	399	}
322	};	400
323	$TICK_WATCHER->stop;	401	=item cf::periodic $interval, $cb
324	$guard	402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
325	}	414	}
326		415
327	=item cf::get_slot $time[, $priority[, $name]]	416	=item cf::get_slot $time[, $priority[, $name]]
328		417
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		426
338	=cut	427	=cut
339		428
340	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
342		432
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
345	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
346		439
347	while () {	440	while () {
348	next_job:	441	next_job:
		442
349	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	444
351	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	449	$job->[2]->send;
355	Coro::cede;	450	Coro::cede;
356	goto next_job;	451	goto next_job;
357	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	454	}
359	}	455	}
360		456
361	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	460	$signal->wait;
365	} else {	461	} else {
		462	$busy = 0;
366	Coro::schedule;	463	Coro::schedule;
367	}	464	}
368	}	465	}
369	};	466	};
370		467
371	sub get_slot($;$$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
372	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
373		472
374	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
375	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
376		476
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
390		490
391	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
392		492
393	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
394		494
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	498	acceptable.
399		499
400	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
401	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
…		…
406		506
407	sub sync_job(&) {	507	sub sync_job(&) {
408	my ($job) = @_;	508	my ($job) = @_;
409		509
410	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	511	my $time = AE::time;
412		512
413	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
415		515
416	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	517
418	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
419		519
420	my $busy = 1;	520	my $busy = 1;
421	my @res;	521	my @res;
422		522
423	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	525	@res = eval { $job->() };
425	warn $@ if $@;	526	warn $@ if $@;
426	undef $busy;	527	undef $busy;
427	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
428		529
429	while ($busy) {	530	while ($busy) {
430	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
431	}	535	}
		536	}
432		537
433	$time = Event::time - $time;	538	my $time = AE::time - $time;
434		539
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
439		541
440	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
441	} else {	543	} else {
442	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
443		545
…		…
468	=item fork_call { }, $args	570	=item fork_call { }, $args
469		571
470	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
471	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
474		576
475	=cut	577	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		578
486	sub fork_call(&@) {	579	sub fork_call(&@) {
487	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
488		581
489	# 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,
490	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		585
494	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	587	reset_signals;
508	local $SIG{__WARN__};	588	&$cb
509	local $SIG{__DIE__};	589	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		590
516	eval {	591	wantarray ? @res : $res[-1]
517	close $fh1;	592	}
518		593
519	my @res = eval { $cb->(@args) };	594	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
528	}	630	}
529		631
530	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
531		633
532	Returns a single value from the environment database.	634	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
535		637
536	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
539	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
540		664
541	our $DB;	665	our $DB;
542		666
543	sub db_init {	667	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	668	cf::sync_job {
548	eval {	669	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	670	};
558	}	671	}
559		672
560	sub db_get($$) {	673	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
562		675
…		…
612	if (1) {	725	if (1) {
613	$md5 =	726	$md5 =
614	join "\x00",	727	join "\x00",
615	$processversion,	728	$processversion,
616	map {	729	map {
617	Coro::cede;	730	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	732	} 0.. $#$src;
620		733
621		734
622	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		773
661	#############################################################################	774	#############################################################################
662		775
663	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
664		777
665	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
668		781
669	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	784	Deliantra).
672		785
673	=over 4	786	=over 4
674		787
675	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
676		789
…		…
720	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
721		834
722	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
724		837
725	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
727		840
728	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
729		842
730	=over 4	843	=over 4
…		…
958	}	1071	}
959		1072
960	0	1073	0
961	}	1074	}
962		1075
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1077
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1079
967	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
968		1081
…		…
974		1087
975	=cut	1088	=cut
976		1089
977	#############################################################################	1090	#############################################################################
978	# object support	1091	# object support
979	#
980		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
981	sub _can_merge {	1126	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1127	my ($ob1, $ob2) = @_;
983		1128
984	local $Storable::canonical = 1;	1129	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1130
988	$fob1 eq $fob2	1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
989	}	1133	}
990		1134
991	sub reattach {	1135	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1137	my ($obj) = @_;
994		1138
		1139	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1141
997	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
998		1143
999	@$registry = ();	1144	@$registry = ();
1000		1145
…		…
1015	cf::attachable->attach (	1160	cf::attachable->attach (
1016	prio => -1000000,	1161	prio => -1000000,
1017	on_instantiate => sub {	1162	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
1019		1164
1020	$data = from_json $data;	1165	$data = decode_json $data;
1021		1166
1022	for (@$data) {	1167	for (@$data) {
1023	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
1024		1169
1025	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1186	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
1043		1188
1044	sync_job {	1189	sync_job {
1045	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1048		1194
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1202	aio_close $fh;
1054		1203
1055	if (@$objs) {	1204	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1211	aio_fsync $fh;
		1212	}
1061	close $fh;	1213	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1215	}
1064	} else {	1216	} else {
1065	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1066	}	1218	}
1067		1219
1068	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1224	} else {
1070	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1071	}	1226	}
1072	} else {	1227	} else {
1073	aio_unlink $filename;	1228	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1075	}	1230	}
1076	}	1231	};
1077	}	1232	}
1078		1233
1079	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
1081		1236
…		…
1093	or return;	1248	or return;
1094		1249
1095	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1252	or return;
		1253
1098	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1099	}	1256	}
1100		1257
		1258	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1103	return ($data, $av);	1262	($data, $av)
1104	}	1263	}
1105		1264
1106	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1107		1266
1108	=over 4	1267	=over 4
…		…
1162	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1163		1322
1164	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1165	}	1324	}
1166		1325
		1326	use File::Glob ();
		1327
1167	cf::player->attach (	1328	cf::player->attach (
1168	on_command => sub {	1329	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1170		1331
1171	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1172	or return;	1333	or return;
1173		1334
…		…
1186	my ($type, $reply, @payload) =	1347	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1348	"ARRAY" eq ref $msg
1188	? @$msg	1349	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1351
		1352	my @reply;
		1353
1191	if (my $cb = $EXTCMD{$type}) {	1354	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1355	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1197	} else {	1361	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1363	}
1200		1364
1201	cf::override;	1365	cf::override;
1202	},	1366	},
1203	);	1367	);
		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
1204		1381
1205	sub load_extensions {	1382	sub load_extensions {
1206	cf::sync_job {	1383	cf::sync_job {
1207	my %todo;	1384	my %todo;
1208		1385
…		…
1228		1405
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1408
1232	$ext{source} =	1409	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1235	. $source	1412	. $source
1236	. "\n};\n1";	1413	. "\n};\n1";
1237		1414
1238	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1239	}	1416	}
1240		1417
		1418	my $pass = 0;
1241	my %done;	1419	my %done;
1242	while (%todo) {	1420	while (%todo) {
1243	my $progress;	1421	my $progress;
1244		1422
		1423	++$pass;
		1424
		1425	ext:
1245	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1428	next ext
1248	unless exists $done{$_};	1429	unless exists $done{$_};
1249	}	1430	}
1250		1431
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1433
1253	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1258	warn $msg;	1441	} else {
1259	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1260	exit 1;	1443	push @EXTS, $v->{pkg};
1261	}	1444	$progress = 1;
1262		1445
1263	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1264	}	1448	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1449	}
1270		1450
1271	skip:	1451	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1274	}	1459	}
1275	};	1460	};
1276	}	1461	}
1277		1462
1278	#############################################################################	1463	#############################################################################
1279		1464
1280	=back	1465	=back
1281		1466
1282	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1283		1468
1284	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1285		1470
1286	=cut	1471	=cut
1287		1472
1288	package cf::player;	1473	package cf::player;
1289		1474
1290	use Coro::AIO;	1475	use Coro::AIO;
1291		1476
1292	=head3 cf::player	1477	=head3 cf::player
1293		1478
1294	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1295		1494
1296	=item cf::player::find $login	1495	=item cf::player::find $login
1297		1496
1298	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1299		1498
…		…
1318		1517
1319	sub exists($) {	1518	sub exists($) {
1320	my ($login) = @_;	1519	my ($login) = @_;
1321		1520
1322	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1324	}	1523	}
1325		1524
1326	sub find($) {	1525	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1527	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1538
1340	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1343	}	1548	}
1344	}	1549	}
1345	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1346		1564
1347	sub save($) {	1565	sub save($) {
1348	my ($pl) = @_;	1566	my ($pl) = @_;
1349		1567
1350	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1356		1574
1357	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1359		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1360	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1361	Coro::cede;	1584	cf::cede_to_tick;
1362	}	1585	}
1363		1586
1364	sub new($) {	1587	sub new($) {
1365	my ($login) = @_;	1588	my ($login) = @_;
1366		1589
…		…
1372	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1373		1596
1374	$self	1597	$self
1375	}	1598	}
1376		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1377	=item $pl->quit_character	1610	=item $pl->quit_character
1378		1611
1379	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1381		1614
…		…
1385	my ($pl) = @_;	1618	my ($pl) = @_;
1386		1619
1387	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1388		1621
1389	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1624
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1396		1631
1397	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1669	or return [];
1435		1670
1436	my @logins;	1671	my @logins;
1437		1672
1438	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1442		1683
1443	utf8::decode $login;	1684	utf8::decode $login;
1444	push @logins, $login;	1685	push @logins, $login;
1445	}	1686	}
1446		1687
…		…
1473	}	1714	}
1474		1715
1475	\@paths	1716	\@paths
1476	}	1717	}
1477		1718
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1720
1480	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1722
1528	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1529		1724
1530	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1531		1726
1532	=cut	1727	=cut
1533		1728
1534	sub ext_reply($$@) {	1729	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1730	my ($self, $id, @msg) = @_;
1536		1731
1537	if ($self->ns->extcmd == 2) {	1732	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1733	}
1545		1734
1546	=item $player->ext_msg ($type, @msg)	1735	=item $player->ext_msg ($type, @msg)
1547		1736
1548	Sends an ext event to the client.	1737	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1606		1795
1607	sub generate_random_map {	1796	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1609	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1802	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1735		1927
1736	# the temporary/swap location	1928	# the temporary/swap location
1737	sub save_path {	1929	sub save_path {
1738	my ($self) = @_;	1930	my ($self) = @_;
1739		1931
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1742	}	1934	}
1743		1935
1744	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1745	sub uniq_path {	1937	sub uniq_path {
1746	my ($self) = @_;	1938	my ($self) = @_;
1747		1939
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1942	}
1760		1943
1761	sub decay_objects {	1944	sub decay_objects {
1762	my ($self) = @_;	1945	my ($self) = @_;
1763		1946
…		…
1776		1959
1777	sub load_header_from($) {	1960	sub load_header_from($) {
1778	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1779		1962
1780	utf8::encode $path;	1963	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1786		1972
1787	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1788		1974
1789	1	1975	1
1790	}	1976	}
…		…
1844	sub find {	2030	sub find {
1845	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1846		2032
1847	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1848		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2037
1851	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1854	or return;	2040	or return;
1855		2041
1856	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1857		2043
…		…
1859	or return;	2045	or return;
1860		2046
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1864	$map->reset;	2052	$map->reset;
1865	undef $guard;
1866	return find $path;	2053	return find $path;
1867	}	2054	}
1868		2055
1869	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1870	}	2057	}
1871	}	2058	}
1872		2059
1873	sub pre_load { }	2060	sub pre_load { }
1874	sub post_load { }	2061	#sub post_load { } # XS
1875		2062
1876	sub load {	2063	sub load {
1877	my ($self) = @_;	2064	my ($self) = @_;
1878		2065
1879	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1880		2067
1881	my $path = $self->{path};	2068	my $path = $self->{path};
1882		2069
1883	{	2070	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1885		2072
		2073	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2075
1888	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1889		2077
1890	$self->alloc;	2078	$self->alloc;
1891		2079
1892	$self->pre_load;	2080	$self->pre_load;
1893	Coro::cede;	2081	cf::cede_to_tick;
1894		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1896	or return;	2086	or return;
1897		2087
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1899	if delete $self->{load_original};	2089	if delete $self->{load_original};
1900		2090
1901	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2092	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2095	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1906	}	2099	}
1907	}	2100	}
1908		2101
1909	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1910	# now do the right thing for maps	2105	# now do the right thing for maps
1911	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2108	unless $self->difficulty;
1914	Coro::cede;	2109	cf::cede_to_tick;
1915		2110
1916	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2112	$self->decay_objects;
1918	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1919	$self->update_buttons;	2114	$self->update_buttons;
1920	Coro::cede;	2115	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2116	$self->activate;
1924	}	2117	}
1925		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2123	}
1928		2124
1929	$self->post_load;	2125	$self->post_load;
1930	}	2126	}
1931		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2131	sub customise_for {
1933	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1934		2133
1935	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2135	if $self->per_player;
…		…
1940		2139
1941	$self	2140	$self
1942	}	2141	}
1943		2142
1944	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2144	sub load_neighbours {
1946	my ($map) = @_;	2145	my ($map) = @_;
1947		2146
1948	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1949		2148
1950	for (0 .. 3) {	2149	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1952	or next;	2151	or next;
1953	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1954	or next;	2153	or next;
1955	$neigh->load;	2154	$neigh->load;
1956		2155
		2156	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2159	}
1960		2160
1961	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1963	or next;	2164	or next;
1964	$neigh->load;	2165	$neigh->load;
1965	}	2166	}
1966	}	2167	}
1967		2168
…		…
1972	}	2173	}
1973		2174
1974	sub do_load_sync {	2175	sub do_load_sync {
1975	my ($map) = @_;	2176	my ($map) = @_;
1976		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1977	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1978	}	2182	}
1979		2183
1980	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1982		2186
1983	sub find_async {	2187	sub find_async {
1984	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1985		2189
1986	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1987		2191
1988	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2194	}
1991		2195
1992	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1993	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1994	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2203	if (my $map = find $k) {
1997	$map->load;	2204	$map->load if $v;
1998	}	2205	}
1999		2206
2000	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
2001	}	2208	}
2002	}	2209	}
2003	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
2004	};	2211	};
2005	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2215	}
2009		2216
2010	sub save {	2217	sub save {
2011	my ($self) = @_;	2218	my ($self) = @_;
2012		2219
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2221
2015	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
2016		2223
2017	return unless $self->dirty;	2224	return unless $self->dirty;
2018		2225
…		…
2024	return if $self->{deny_save};	2231	return if $self->{deny_save};
2025		2232
2026	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
2027		2234
2028	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
2030	};	2238	};
		2239
		2240	cf::get_slot 0.02;
2031		2241
2032	if ($uniq) {	2242	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2245	} else {
…		…
2041	my ($self) = @_;	2251	my ($self) = @_;
2042		2252
2043	# save first because save cedes	2253	# save first because save cedes
2044	$self->save;	2254	$self->save;
2045		2255
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2257
2048	return if $self->players;	2258	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2260	return if $self->{deny_save};
2051		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2266	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2267	}
2055		2268
2056	sub reset_at {	2269	sub reset_at {
2057	my ($self) = @_;	2270	my ($self) = @_;
2058		2271
…		…
2076		2289
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2291
2079	return if $self->players;	2292	return if $self->players;
2080		2293
2081	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
2082		2295
2083	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
2084		2297
2085	# need to save uniques path	2298	# need to save uniques path
2086	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2303	if $uniq;
2091	}	2304	}
2092		2305
2093	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
2094		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2310	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2311
2099	$self->unlink_save;	2312	$self->unlink_save;
2100	$self->destroy;	2313	$self->destroy;
2101	}	2314	}
2102		2315
2103	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
2104		2317
2105	sub nuke {	2318	sub nuke {
2106	my ($self) = @_;	2319	my ($self) = @_;
2107		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
2108	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
2109		2325
2110	$self->unlink_save;	2326	$self->unlink_save;
2111		2327
2112	bless $self, "cf::map";	2328	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2333
2118	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
2119		2336
2120	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
2121	}	2338	}
2122		2339
2123	=item $maps = cf::map::tmp_maps	2340	=item $maps = cf::map::tmp_maps
…		…
2165		2382
2166	sub unique_maps() {	2383	sub unique_maps() {
2167	[	2384	[
2168	map {	2385	map {
2169	utf8::decode $_;	2386	utf8::decode $_;
2170	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
2171	? normalise $_	2390	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2392	]
2175	}	2393	}
2176		2394
2177	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
2178		2426
2179	=back	2427	=back
2180		2428
2181	=head3 cf::object	2429	=head3 cf::object
2182		2430
…		…
2186		2434
2187	=over 4	2435	=over 4
2188		2436
2189	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
2190		2438
2191	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
2192		2441
2193	=cut	2442	=cut
2194		2443
2195	sub inv_recursive_;	2444	sub inv_recursive_;
2196	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
2199		2448
2200	sub inv_recursive {	2449	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
2202	}	2451	}
2203		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
2204	package cf;	2481	package cf;
2205		2482
2206	=back	2483	=back
2207		2484
2208	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
2217		2494
2218	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
2219		2510
2220	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2512	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2526	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2528
2238	} else {	2529	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2532	}
2242	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
2243	}	2544	}
2244		2545
2245	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
2246		2547
2247	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
2260		2561
2261	=item $player_object->enter_link	2562	=item $player_object->enter_link
2262		2563
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2565
2265	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2267		2570
2268	Will never block.	2571	Will never block.
2269		2572
2270	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2271		2574
…		…
2323	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2325		2628
2326	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2329		2632
2330	$map->load;	2633	$map->load;
2331	$map->load_diag;	2634	$map->load_neighbours;
2332		2635
2333	return unless $self->contr->active;	2636	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2637
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
2338	}	2643	}
2339		2644
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2341		2646
2342	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2649	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2650	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2651	be called at the end of this process.
2347		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
		2655
2348	=cut	2656	=cut
2349		2657
2350	our $GOTOGEN;	2658	our $GOTOGEN;
2351		2659
2352	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2665
2358	$self->enter_link;	2666	$self->enter_link;
2359		2667
2360	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
2361	my $map = eval {	2690	my $map = eval {
2362	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2363		2692
2364	if ($map) {	2693	if ($map) {
2365	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2367	} else {	2696	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2698	}
2370		2699
2371	$map	2700	$map
2372	};	2701	};
2373		2702
…		…
2409	}	2738	}
2410		2739
2411	sub prepare_random_map {	2740	sub prepare_random_map {
2412	my ($exit) = @_;	2741	my ($exit) = @_;
2413		2742
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2745	# that depends on the exit object
2419		2746
2420	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2749	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2427	}	2756	}
2428		2757
2429	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2430		2759
2431	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2434		2763
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2766	undef $fh;
2438	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2439		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2442	}	2775	}
2443	}	2776	}
2444		2777
2445	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2447		2780
2448	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2449		2782
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2783	$self->enter_link;
2462		2784
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2785	(async {
2468	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2469	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2470	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2471		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2472	1;	2809	1
2473	}) {	2810	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2815
2479	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2496	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
2498		2835
2499	utf8::encode $text;	2836	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2838	}
		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
2501	}	2863	}
2502		2864
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2866
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2867	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2869	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2870	the message unless the client supports the msg packet.
2509		2871
2510	=cut	2872	=cut
2511		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
2512	sub cf::client::send_msg {	2988	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2989	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2990
2515	$msg = $self->pl->expand_cfpod ($msg);	2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
2516		2993
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
2519	if (ref $channel) {	3003	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3004	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3005	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3006	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	3007	$self->ext_msg (channel_info => $channel);
2524	}	3008	}
2525		3009
2526	$channel = $channel->{id};	3010	$channel = $channel->{id};
2527	}	3011	}
2528		3012
2529	return unless @extra || length $msg;	3013	return unless @extra || length $msg;
2530		3014
2531	if ($self->can_msg) {	3015	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3017	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3018
2544	if ($color >= 0) {	3019	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3020	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3022	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3023
2549	$self->send_packet ("drawinfo $color $msg")	3024	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3025	}
2554		3026
2555	=item $client->ext_msg ($type, @msg)	3027	=item $client->ext_msg ($type, @msg)
2556		3028
2557	Sends an ext event to the client.	3029	Sends an ext event to the client.
…		…
2559	=cut	3031	=cut
2560		3032
2561	sub cf::client::ext_msg($$@) {	3033	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3034	my ($self, $type, @msg) = @_;
2563		3035
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3036	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3038	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3039	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3059	}
2572	}	3060	}
2573		3061
2574	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2575		3063
…		…
2636	my ($type, $reply, @payload) =	3124	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3125	"ARRAY" eq ref $msg
2638	? @$msg	3126	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3128
		3129	my @reply;
		3130
2641	if (my $cb = $EXTICMD{$type}) {	3131	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3132	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
2647	} else {	3138	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3140	}
2650		3141
2651	cf::override;	3142	cf::override;
…		…
2673		3164
2674	$coro	3165	$coro
2675	}	3166	}
2676		3167
2677	cf::client->attach (	3168	cf::client->attach (
2678	on_destroy => sub {	3169	on_client_destroy => sub {
2679	my ($ns) = @_;	3170	my ($ns) = @_;
2680		3171
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3173	},
2683	);	3174	);
…		…
2698	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2700		3191
2701	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2702		3193
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2704		3199
2705	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2706		3201
2707	=pod	3202	=pod
2708		3203
2709	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2710		3205
2711	cf::object	3206	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3207	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3208	insert remove name archname title slaying race decrease split
		3209	value
2714		3210
2715	cf::object::player	3211	cf::object::player
2716	player	3212	player
2717		3213
2718	cf::player	3214	cf::player
…		…
2723		3219
2724	=cut	3220	=cut
2725		3221
2726	for (	3222	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2732	) {	3229	) {
2733	no strict 'refs';	3230	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3250
2754	my $qcode = $code;	3251	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2757		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2758	local $_;	3258	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3259
2761	my $eval =	3260	my $eval =
2762	"do {\n"	3261	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3264	. $code
2766	. "\n}"	3265	. "\n}"
2767	;	3266	;
2768		3267
		3268	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2772		3277
2773	if ($@) {	3278	if ($@) {
2774	warn "$@";	3279	warn "$@";
2775	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2776	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2795	=cut	3300	=cut
2796		3301
2797	sub register_script_function {	3302	sub register_script_function {
2798	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2799		3304
2800	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2802	}	3307	}
2803		3308
2804	=back	3309	=back
2805		3310
2806	=cut	3311	=cut
…		…
2808	#############################################################################	3313	#############################################################################
2809	# the server's init and main functions	3314	# the server's init and main functions
2810		3315
2811	sub load_facedata($) {	3316	sub load_facedata($) {
2812	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2813		3324
2814	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2815		3326
2816	my $facedata;	3327	my $facedata;
2817	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2821		3332
2822	$facedata->{version} == 2	3333	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2825	{	3345	{
2826	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2827		3347
2828	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2830	cf::face::set_visibility $idx, $info->{visibility};	3351	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3355
2835	cf::cede_to_tick;	3356	cf::cede_to_tick;
2836	}	3357	}
2837		3358
2838	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2840	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2841	or next;	3363	or next;
		3364
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3366	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3368	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2860		3383
2861	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2862	}	3385	}
2863		3386
2864	{	3387	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3388	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3389
2870	while (my ($name, $info) = each %$res) {	3390	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3391	if (defined $info->{type}) {
2872	name => $name,
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2877		3393
2878	if ($info->{type} & 1) {
2879	# prepend meta info
2880
2881	my $data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2883
2884	cf::face::set_data $idx, 0, $data, $chk;	3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
2885	} else {	3396	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3397	$RESOURCE{$name} = $info;
2887	}	3398	}
2888		3399
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;	3400	cf::cede_to_tick;
2892	}	3401	}
2893	}	3402	}
2894		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2895	1	3406	1
2896	}	3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
2897		3428
2898	register_exticmd fx_want => sub {	3429	register_exticmd fx_want => sub {
2899	my ($ns, $want) = @_;	3430	my ($ns, $want) = @_;
2900		3431
2901	while (my ($k, $v) = each %$want) {	3432	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3433	$ns->fx_want ($k, $v);
2903	}	3434	}
2904	};	3435	};
2905		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2906	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2907	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
2909		3454
2910	for (cf::region::list) {	3455	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3456	$_->{match} = qr/$_->{match}/
…		…
2919	}	3464	}
2920		3465
2921	sub reload_archetypes {	3466	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3467	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3468	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references
2925	# this really needs to be done in an extra post-pass
2926	# (which needs to be synchronous, so solve it differently)
2927	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";
2929	}	3469	}
2930		3470
2931	sub reload_treasures {	3471	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3472	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3473	or die "unable to load treasurelists\n";
2934	}	3474	}
2935		3475
2936	sub reload_resources {	3476	sub reload_resources {
2937	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2938		3478
		3479	reload_facedata;
		3480	reload_archetypes;
2939	reload_regions;	3481	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3482	reload_treasures;
2944		3483
2945	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2946	}	3485	}
2947		3486
2948	sub init {	3487	sub reload_config {
2949	reload_resources;	3488	warn "reloading config file...\n";
2950	}
2951		3489
2952	sub cfg_load {
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2954	or return;	3491	or return;
2955		3492
2956	local $/;	3493	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2958		3495
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2960		3497
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2966	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2967	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2968	};	3505	};
2969	warn $@ if $@;	3506	warn $@ if $@;
2970	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2971	}	3538	}
2972		3539
2973	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2974	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3553	(async {
2978	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2980	};	3557	};
2981		3558
2982	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2983	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2984	load_extensions;	3582	load_extensions;
2985		3583
2986	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2987	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594
		3595	main_loop;
2988	}	3596	}
2989		3597
2990	#############################################################################	3598	#############################################################################
2991	# initialisation and cleanup	3599	# initialisation and cleanup
2992		3600
2993	# install some emergency cleanup handlers	3601	# install some emergency cleanup handlers
2994	BEGIN {	3602	BEGIN {
		3603	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3604	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3605	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3606	cf::cleanup "SIG$signal";
3003	},
3004	);	3607	};
3005	}	3608	}
3006	}	3609	}
3007		3610
3008	sub write_runtime {	3611	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";	3612	my $t0 = AE::time;
3010		3613
3011	# first touch the runtime file to show we are still running:	3614	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3615	# the fsync below can take a very very long time.
3013		3616
3014	IO::AIO::aio_utime $runtime, undef, undef;	3617	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3618
3016	my $guard = cf::lock_acquire "write_runtime";	3619	my $guard = cf::lock_acquire "write_runtime";
3017		3620
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3621	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3019	or return;	3622	or return;
3020		3623
3021	my $value = $cf::RUNTIME + 90 + 10;	3624	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3625	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3626	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3636	aio_utime $fh, undef, undef;
3034		3637
3035	close $fh	3638	close $fh
3036	or return;	3639	or return;
3037		3640
3038	aio_rename "$runtime~", $runtime	3641	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3642	and return;
3040		3643
3041	warn "runtime file written.\n";	3644	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3042		3645
3043	1	3646	1
		3647	}
		3648
		3649	our $uuid_lock;
		3650	our $uuid_skip;
		3651
		3652	sub write_uuid_sync($) {
		3653	$uuid_skip ||= $_[0];
		3654
		3655	return if $uuid_lock;
		3656	local $uuid_lock = 1;
		3657
		3658	my $uuid = "$LOCALDIR/uuid";
		3659
		3660	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3661	or return;
		3662
		3663	my $value = uuid_seq uuid_cur;
		3664
		3665	unless ($value) {
		3666	warn "cowardly refusing to write zero uuid value!\n";
		3667	return;
		3668	}
		3669
		3670	my $value = uuid_str $value + $uuid_skip;
		3671	$uuid_skip = 0;
		3672
		3673	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3674	and return;
		3675
		3676	# always fsync - this file is important
		3677	aio_fsync $fh
		3678	and return;
		3679
		3680	close $fh
		3681	or return;
		3682
		3683	aio_rename "$uuid~", $uuid
		3684	and return;
		3685
		3686	warn "uuid file written ($value).\n";
		3687
		3688	1
		3689
		3690	}
		3691
		3692	sub write_uuid($$) {
		3693	my ($skip, $sync) = @_;
		3694
		3695	$sync ? write_uuid_sync $skip
		3696	: async { write_uuid_sync $skip };
3044	}	3697	}
3045		3698
3046	sub emergency_save() {	3699	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	3700	my $freeze_guard = cf::freeze_mainloop;
3048		3701
3049	warn "enter emergency perl save\n";	3702	warn "emergency_perl_save: enter\n";
3050		3703
3051	cf::sync_job {	3704	cf::sync_job {
		3705	# this is a trade-off: we want to be very quick here, so
		3706	# save all maps without fsync, and later call a global sync
		3707	# (which in turn might be very very slow)
		3708	local $USE_FSYNC = 0;
		3709
3052	# use a peculiar iteration method to avoid tripping on perl	3710	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	3711	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	3712	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	3713	warn "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	3714	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	3715	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	3716	$pl->valid or next;
		3717	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	3718	$pl->save;
3060	}	3719	}
3061	warn "end emergency player save\n";	3720	warn "emergency_perl_save: end player save\n";
3062		3721
3063	warn "begin emergency map save\n";	3722	warn "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	3723	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	3724	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	3725	$map->valid or next;
3067	$map->save;	3726	$map->save;
3068	}	3727	}
3069	warn "end emergency map save\n";	3728	warn "emergency_perl_save: end map save\n";
3070		3729
3071	warn "begin emergency database checkpoint\n";	3730	warn "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	3731	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	3732	warn "emergency_perl_save: end database checkpoint\n";
		3733
		3734	warn "emergency_perl_save: begin write uuid\n";
		3735	write_uuid_sync 1;
		3736	warn "emergency_perl_save: end write uuid\n";
3074	};	3737	};
3075		3738
		3739	warn "emergency_perl_save: starting sync()\n";
		3740	IO::AIO::aio_sync sub {
		3741	warn "emergency_perl_save: finished sync()\n";
		3742	};
		3743
3076	warn "leave emergency perl save\n";	3744	warn "emergency_perl_save: leave\n";
3077	}	3745	}
3078		3746
3079	sub post_cleanup {	3747	sub post_cleanup {
3080	my ($make_core) = @_;	3748	my ($make_core) = @_;
3081		3749
3082	warn Carp::longmess "post_cleanup backtrace"	3750	warn Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	3751	if $make_core;
		3752
		3753	my $fh = pidfile;
		3754	unlink $PIDFILE if <$fh> == $$;
		3755	}
		3756
		3757	# a safer delete_package, copied from Symbol
		3758	sub clear_package($) {
		3759	my $pkg = shift;
		3760
		3761	# expand to full symbol table name if needed
		3762	unless ($pkg =~ /^main::.*::$/) {
		3763	$pkg = "main$pkg" if $pkg =~ /^::/;
		3764	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3765	$pkg .= '::' unless $pkg =~ /::$/;
		3766	}
		3767
		3768	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3769	my $stem_symtab = *{$stem}{HASH};
		3770
		3771	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3772	or return;
		3773
		3774	# clear all symbols
		3775	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3776	for my $name (keys %$leaf_symtab) {
		3777	_gv_clear *{"$pkg$name"};
		3778	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3779	}
		3780	warn "cleared package $pkg\n";#d#
3084	}	3781	}
3085		3782
3086	sub do_reload_perl() {	3783	sub do_reload_perl() {
3087	# can/must only be called in main	3784	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	3785	if ($Coro::current != $Coro::main) {
3089	warn "can only reload from main coroutine";	3786	warn "can only reload from main coroutine";
3090	return;	3787	return;
3091	}	3788	}
3092		3789
		3790	return if $RELOAD++;
		3791
		3792	my $t1 = AE::time;
		3793
		3794	while ($RELOAD) {
3093	warn "reloading...";	3795	warn "reloading...";
3094		3796
3095	warn "entering sync_job";	3797	warn "entering sync_job";
3096		3798
3097	cf::sync_job {	3799	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
3099	cf::emergency_save;	3801	cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark	3802	cf::write_runtime_sync; # external watchdog should not bark
3101		3803
3102	warn "syncing database to disk";	3804	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;	3805	BDB::db_env_txn_checkpoint $DB_ENV;
3104		3806
3105	# if anything goes wrong in here, we should simply crash as we already saved	3807	# if anything goes wrong in here, we should simply crash as we already saved
3106		3808
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";	3809	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;	3810	while (IO::AIO::nreqs || BDB::nreqs) {
3118	warn "iterate...";	3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();
3126
3127	warn "removing commands";
3128	%COMMAND = ();
3129
3130	warn "removing ext/exti commands";
3131	%EXTCMD = ();
3132	%EXTICMD = ();
3133
3134	warn "unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";
3137
3138	if (my $cb = $pkg->can ("unload")) {
3139	eval {
3140	$cb->($pkg);
3141	1
3142	} or warn "$pkg unloaded, but with errors: $@";
3143	}	3812	}
3144		3813
3145	warn "... nuking $pkg";	3814	warn "cancelling all extension coros";
3146	Symbol::delete_package $pkg;	3815	$_->cancel for values %EXT_CORO;
3147	}	3816	%EXT_CORO = ();
3148		3817
3149	warn "unloading all perl modules loaded from $LIBDIR";	3818	warn "removing commands";
3150	while (my ($k, $v) = each %INC) {	3819	%COMMAND = ();
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		3820
		3821	warn "removing ext/exti commands";
		3822	%EXTCMD = ();
		3823	%EXTICMD = ();
		3824
		3825	warn "unloading/nuking all extensions";
		3826	for my $pkg (@EXTS) {
3153	warn "... unloading $k";	3827	warn "... unloading $pkg";
3154	delete $INC{$k};
3155		3828
3156	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;
3158
3159	if (my $cb = $k->can ("unload_module")) {	3829	if (my $cb = $pkg->can ("unload")) {
		3830	eval {
3160	$cb->();	3831	$cb->($pkg);
		3832	1
		3833	} or warn "$pkg unloaded, but with errors: $@";
		3834	}
		3835
		3836	warn "... clearing $pkg";
		3837	clear_package $pkg;
3161	}	3838	}
3162		3839
3163	Symbol::delete_package $k;	3840	warn "unloading all perl modules loaded from $LIBDIR";
		3841	while (my ($k, $v) = each %INC) {
		3842	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3843
		3844	warn "... unloading $k";
		3845	delete $INC{$k};
		3846
		3847	$k =~ s/\.pm$//;
		3848	$k =~ s/\//::/g;
		3849
		3850	if (my $cb = $k->can ("unload_module")) {
		3851	$cb->();
		3852	}
		3853
		3854	clear_package $k;
3164	}	3855	}
3165		3856
3166	warn "getting rid of safe::, as good as possible";	3857	warn "getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	3858	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3859	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		3860
3170	warn "unloading cf.pm \"a bit\"";	3861	warn "unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	3862	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	3863	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3173		3864
3174	# don't, removes xs symbols, too,	3865	# don't, removes xs symbols, too,
3175	# and global variables created in xs	3866	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	3867	#clear_package __PACKAGE__;
3177		3868
3178	warn "unload completed, starting to reload now";	3869	warn "unload completed, starting to reload now";
3179		3870
3180	warn "reloading cf.pm";	3871	warn "reloading cf.pm";
3181	require cf;	3872	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3873	cf::_connect_to_perl_1;
3183		3874
3184	warn "loading config and database again";	3875	warn "loading config and database again";
3185	cf::cfg_load;	3876	cf::reload_config;
3186		3877
3187	warn "loading extensions";	3878	warn "loading extensions";
3188	cf::load_extensions;	3879	cf::load_extensions;
3189		3880
		3881	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	3882	warn "reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	3883	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	3884	warn "reattaching attachments to maps";
3193	reattach $_ for values %MAP;	3885	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	3886	warn "reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	3887	reattach $_ for values %PLAYER;
		3888	}
3196		3889
		3890	warn "running post_init jobs";
		3891	(pop @POST_INIT)->(1) while @POST_INIT;
		3892
3197	warn "leaving sync_job";	3893	warn "leaving sync_job";
3198		3894
3199	1	3895	1
3200	} or do {	3896	} or do {
3201	warn $@;	3897	warn $@;
3202	warn "error while reloading, exiting.";	3898	cf::cleanup "error while reloading, exiting.";
3203	exit 1;
3204	};	3899	};
3205		3900
3206	warn "reloaded";	3901	warn "reloaded";
		3902	--$RELOAD;
		3903	}
		3904
		3905	$t1 = AE::time - $t1;
		3906	warn "reload completed in ${t1}s\n";
3207	};	3907	};
3208		3908
3209	our $RELOAD_WATCHER; # used only during reload	3909	our $RELOAD_WATCHER; # used only during reload
3210		3910
3211	sub reload_perl() {	3911	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	3912	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	3913	# coro crashes during coro_state_free->destroy here.
3214		3914
3215	$RELOAD_WATCHER ||= Event->timer (	3915	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	3916	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	3917
3218	data => WF_AUTOCANCEL,	3918	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	3919	do_reload_perl;
3221	undef $RELOAD_WATCHER;	3920	undef $RELOAD_WATCHER;
3222	},	3921	};
3223	);	3922	};
3224	}	3923	}
3225		3924
3226	register_command "reload" => sub {	3925	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	3926	my ($who, $arg) = @_;
3228		3927
3229	if ($who->flag (FLAG_WIZ)) {	3928	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	3929	$who->message ("reloading server.");
		3930	async {
		3931	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	3932	reload_perl;
		3933	};
3232	}	3934	}
3233	};	3935	};
3234		3936
3235	unshift @INC, $LIBDIR;	3937	unshift @INC, $LIBDIR;
3236		3938
…		…
3238		3940
3239	our @WAIT_FOR_TICK;	3941	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;	3942	our @WAIT_FOR_TICK_BEGIN;
3241		3943
3242	sub wait_for_tick {	3944	sub wait_for_tick {
3243	return unless $TICK_WATCHER->is_active;
3244	return if $Coro::current == $Coro::main;	3945	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3245		3946
3246	my $signal = new Coro::Signal;	3947	my $signal = new Coro::Signal;
3247	push @WAIT_FOR_TICK, $signal;	3948	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;	3949	$signal->wait;
3249	}	3950	}
3250		3951
3251	sub wait_for_tick_begin {	3952	sub wait_for_tick_begin {
3252	return unless $TICK_WATCHER->is_active;
3253	return if $Coro::current == $Coro::main;	3953	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3254		3954
3255	my $signal = new Coro::Signal;	3955	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	3956	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	3957	$signal->wait;
3258	}	3958	}
3259		3959
3260	my $min = 1e6;#d#	3960	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	3961	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3962	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	3963	unless ++$bug_warning > 10;
3272	return;	3964	return;
3273	}	3965	}
3274		3966
3275	$NOW = $tick_start = Event::time;
3276
3277	cf::server_tick; # one server iteration	3967	cf::server_tick; # one server iteration
3278		3968
3279	0 && sync_job {#d#	3969	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3280	for(1..10) {
3281	my $t = Event::time;
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3283	or die;
3284		3970
3285	$map->width (50);	3971	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3286	$map->height (50);	3972	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3287	$map->alloc;	3973	Coro::async_pool {
3288	$map->_load_objects ("/tmp/x.map", 1);	3974	$Coro::current->{desc} = "runtime saver";
3289	my $t = Event::time - $t;	3975	write_runtime_sync
3290		3976	or warn "ERROR: unable to write runtime file: $!";
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	3977	};
		3978	}
3301		3979
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	3981	$sig->send;
3318	}	3982	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	3983	while (my $sig = shift @WAIT_FOR_TICK) {
3320	$sig->send;	3984	$sig->send;
3321	}	3985	}
3322		3986
3323	$NOW = Event::time;	3987	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3988	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		3989
3334	_post_tick;	3990	if (0) {
3335		3991	if ($NEXT_TICK) {
3336		3992	my $jitter = $TICK_START - $NEXT_TICK;
		3993	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3994	warn "jitter $JITTER\n";#d#
		3995	}
3337	},	3996	}
3338	);	3997	}
3339		3998
3340	{	3999	{
3341	BDB::max_poll_time $TICK * 0.1;	4000	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	4001
3343	reentrant => 0,
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	4002	BDB::min_parallel 16;
3351		4003	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	4004	$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		4005
3367	unless ($DB_ENV) {	4006	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	4007	$DB_ENV = BDB::db_env_create;
		4008	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4009	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4010	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4011	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4012	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		4013
3370	cf::sync_job {	4014	cf::sync_job {
3371	eval {	4015	eval {
3372	BDB::db_env_open	4016	BDB::db_env_open
3373	$DB_ENV,	4017	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4019	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4020	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	4021	0666;
3378		4022
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4023	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	4024	};
3384		4025
3385	cf::cleanup "db_env_open(db): $@" if $@;	4026	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	4027	};
3387	}	4028	}
		4029
		4030	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4031	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4032	};
		4033	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4034	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4035	};
		4036	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4037	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4038	};
3388	}	4039	}
3389		4040
3390	{	4041	{
		4042	# configure IO::AIO
		4043
3391	IO::AIO::min_parallel 8;	4044	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	4045	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	4046	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	4047	}
3404		4048
3405	my $_log_backtrace;	4049	my $_log_backtrace;
3406		4050
3407	sub _log_backtrace {	4051	sub _log_backtrace {
…		…
3410	$msg =~ s/\n//;	4054	$msg =~ s/\n//;
3411		4055
3412	# limit the # of concurrent backtraces	4056	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	4057	if ($_log_backtrace < 2) {
3414	++$_log_backtrace;	4058	++$_log_backtrace;
		4059	my $perl_bt = Carp::longmess $msg;
3415	async {	4060	async {
		4061	$Coro::current->{desc} = "abt $msg";
		4062
3416	my @bt = fork_call {	4063	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	4064	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4065	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4066	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	4067	or die "addr2line: $!";
…		…
3428	}	4075	}
3429		4076
3430	@funcs	4077	@funcs
3431	};	4078	};
3432		4079
3433	LOG llevInfo, "[ABT] $msg\n";	4080	LOG llevInfo, "[ABT] $perl_bt\n";
		4081	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	4082	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	4083	--$_log_backtrace;
3436	};	4084	};
3437	} else {	4085	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	4086	LOG llevInfo, "[ABT] $msg\n";
3439	LOG llevInfo, "[ABT] [suppressed]\n";	4087	LOG llevInfo, "[ABT] [suppressed]\n";
3440	}	4088	}
3441	}	4089	}
3442		4090
3443	# load additional modules	4091	# load additional modules
3444	use cf::pod;	4092	require "cf/$_.pm" for @EXTRA_MODULES;
		4093	cf::_connect_to_perl_2;
3445		4094
3446	END { cf::emergency_save }	4095	END { cf::emergency_save }
3447		4096
3448	1	4097	1
3449		4098

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