ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
59		95
60	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	97	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
71		111
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	114	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
82		123
83	our %CFG;	124	our %CFG;
84		125
85	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
87		129
88	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
91		133
92	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		136
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
98		146
99	binmode STDOUT;	147	binmode STDOUT;
100	binmode STDERR;	148	binmode STDERR;
101		149
102	# read virtual server time, if available	150	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
107	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
108		158
109	mkdir $_	159	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		161
112	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
113		163
114	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
115		176
116	#############################################################################	177	#############################################################################
117		178
118	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
119		180
…		…
155		216
156	The raw value load value from the last tick.	217	The raw value load value from the last tick.
157		218
158	=item %cf::CFG	219	=item %cf::CFG
159		220
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	222	from wherever your confdir points to.
162		223
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		225
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	227	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
169	=back	242	=back
170		243
171	=cut	244	=cut
172		245
173	BEGIN {	246	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	247	my $msg = join "", @_;
176		248
177	$msg .= "\n"	249	$msg .= "\n"
178	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
179		251
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		253
182	utf8::encode $msg;
183	LOG llevError, $msg;	254	LOG llevError, $msg;
184	};	255	};
185	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
186		270
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		278
194	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	280	# within the Safe compartment.
196	for my $pkg (qw(	281	for my $pkg (qw(
197	cf::global cf::attachable	282	cf::global cf::attachable
198	cf::object cf::object::player	283	cf::object cf::object::player
199	cf::client cf::player	284	cf::client cf::player
200	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
201	cf::map cf::party cf::region	287	cf::party cf::region
202	)) {	288	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	290	}
206		291
207	$Event::DIED = sub {	292	$EV::DIED = sub {
208	warn "error in event callback: @_";	293	warn "error in event callback: @_";
209	};	294	};
		295
		296	#############################################################################
210		297
211	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
212		299
213	=over 4	300	=over 4
214		301
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	321	$d
235	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
236	}	323	}
237		324
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
241		326
242	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
243		328
244	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
245		330
246	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
247		332
		333	=cut
		334
		335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		336
		337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
		353
248	=item cf::lock_wait $string	354	=item cf::lock_wait $string
249		355
250	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
251		357
252	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
253		359
254	Wait until the given lock is available and then acquires it and returns	360	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	361	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	362	for example when the coroutine gets canceled), the lock is automatically
257	returned.	363	returned.
258		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
259	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
261		370
262	=item $locked = cf::lock_active $string	371	=item $locked = cf::lock_active $string
263		372
264	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
265		374
266	=cut	375	=cut
267		376
268	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
269		378
270	sub lock_wait($) {	379	sub lock_wait($) {
271	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	381	}
279		382
280	sub lock_acquire($) {	383	sub lock_acquire($) {
281	my ($key) = @_;	384	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	385	}
293		386
294	sub lock_active($) {	387	sub lock_active($) {
295	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	389	}
299		390
300	sub freeze_mainloop {	391	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
302		393
303	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	395	}
		396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
305	};	455	}
306	$TICK_WATCHER->stop;	456	};
307	$guard	457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
308	}	470	}
309		471
310	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
311		473
312	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		479
318	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
319		481
320	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
321		483
322	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
325		488
326	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
329	fast or be very important.	492	fast or be very important.
…		…
332		495
333	sub sync_job(&) {	496	sub sync_job(&) {
334	my ($job) = @_;	497	my ($job) = @_;
335		498
336	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	500	my $time = EV::time;
338		501
339	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
341		504
342	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	506
344	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
345		508
346	my $busy = 1;	509	my $busy = 1;
347	my @res;	510	my @res;
348		511
349	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	514	@res = eval { $job->() };
351	warn $@ if $@;	515	warn $@ if $@;
352	undef $busy;	516	undef $busy;
353	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
354		518
355	while ($busy) {	519	while ($busy) {
356	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
357	}	524	}
		525	}
358		526
359	$time = Event::time - $time;	527	my $time = EV::time - $time;
360		528
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	529	$TICK_START += $time; # do not account sync jobs to server load
365		530
366	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
367	} else {	532	} else {
368	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
369		534
…		…
389	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
390		555
391	$coro	556	$coro
392	}	557	}
393		558
394	sub write_runtime {	559	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		560
397	# first touch the runtime file to show we are still running:	561	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
399		565
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	566	=cut
401	utime undef, undef, $fh;	567
		568	sub fork_call(&@) {
		569	my ($cb, @args) = @_;
		570
		571	# we seemingly have to make a local copy of the whole thing,
		572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
		574
		575	my @res = Coro::Util::fork_eval {
		576	reset_signals;
		577	&$cb
		578	}, @args;
		579
		580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
402	}	637	};
		638	cf::cleanup "db_open(db): $@" if $@;
403		639
404	my $guard = cf::lock_acquire "write_runtime";	640	$db
		641	}
405		642
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	643	our $DB;
407	or return;
408		644
409	my $value = $cf::RUNTIME + 90 + 10;	645	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	646	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	647	$DB ||= db_table "db";
		648	};
		649	}
412		650
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	651	sub db_get($$) {
414	and return;	652	my $key = "$_[0]/$_[1]";
415		653
416	# always fsync - this file is important	654	cf::sync_job {
417	aio_fsync $fh	655	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		656
420	# touch it again to show we are up-to-date	657	$! ? ()
421	utime undef, undef, $fh;	658	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
432	}	735	}
433		736
434	=item cf::datalog type => key => value, ...	737	=item cf::datalog type => key => value, ...
435		738
436	Log a datalog packet of the given type with the given key-value pairs.	739	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		751
449	#############################################################################	752	#############################################################################
450		753
451	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
452		755
453	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
456		759
457	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	762	Deliantra).
460		763
461	=over 4	764	=over 4
462		765
463	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
464		767
…		…
508	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
509		812
510	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
512		815
513	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
515		818
516	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
517		820
518	=over 4	821	=over 4
…		…
666	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
667	}	970	}
668		971
669	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
670	} else {	973	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	975	}
673		976
674	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
675	}	978	}
676		979
…		…
716	";	1019	";
717	die if $@;	1020	die if $@;
718	}	1021	}
719		1022
720	our $override;	1023	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1025
723	sub override {	1026	sub override {
724	$override = 1;	1027	$override = 1;
725	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
726	}	1029	}
727		1030
728	sub do_invoke {	1031	sub do_invoke {
729	my $event = shift;	1032	my $event = shift;
730	my $callbacks = shift;	1033	my $callbacks = shift;
731		1034
732	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
733		1036
734	local $override;	1037	local $override;
735		1038
736	for (@$callbacks) {	1039	for (@$callbacks) {
737	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
746	}	1049	}
747		1050
748	0	1051	0
749	}	1052	}
750		1053
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1055
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1057
755	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
756		1059
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1061	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1063
761	=back	1064	=back
762		1065
763	=cut	1066	=cut
764		1067
765	#############################################################################	1068	#############################################################################
766	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
767		1112
768	sub reattach {	1113	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1115	my ($obj) = @_;
771		1116
		1117	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1119
774	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
775		1121
776	@$registry = ();	1122	@$registry = ();
777		1123
…		…
792	cf::attachable->attach (	1138	cf::attachable->attach (
793	prio => -1000000,	1139	prio => -1000000,
794	on_instantiate => sub {	1140	on_instantiate => sub {
795	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
796		1142
797	$data = from_json $data;	1143	$data = decode_json $data;
798		1144
799	for (@$data) {	1145	for (@$data) {
800	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
801		1147
802	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1164	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
820		1166
821	sync_job {	1167	sync_job {
822	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
825		1172
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
830	close $fh;	1180	aio_close $fh;
831		1181
832	if (@$objs) {	1182	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1189	aio_fsync $fh;
		1190	}
838	close $fh;	1191	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
840	}	1193	}
841	} else {	1194	} else {
842	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
843	}	1196	}
844		1197
845	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1202	} else {
847	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
848	}	1204	}
849	} else {	1205	} else {
850	aio_unlink $filename;	1206	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
852	}	1208	}
853	}	1209	};
854	}	1210	}
855		1211
856	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
858		1214
…		…
870	or return;	1226	or return;
871		1227
872	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
874	or return;	1230	or return;
		1231
875	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
876	}	1234	}
877		1235
		1236	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
880	return ($data, $av);	1240	($data, $av)
881	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
882		1248
883	#############################################################################	1249	#############################################################################
884	# command handling &c	1250	# command handling &c
885		1251
886	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1266	}
901		1267
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1269
904	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
905		1275
906	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
907	called.	1277	called.
908		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
909	=cut	1290	=cut
910		1291
911	sub register_extcmd {	1292	sub register_extcmd {
912	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
913		1294
914	$EXTCMD{$name} = $cb;	1295	$EXTCMD{$name} = $cb;
915	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
916		1305
917	cf::player->attach (	1306	cf::player->attach (
918	on_command => sub {	1307	on_command => sub {
919	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
920		1309
…		…
928	cf::override;	1317	cf::override;
929	},	1318	},
930	on_extcmd => sub {	1319	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
932		1321
933	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1323
935	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
941	} else {	1339	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1341	}
944		1342
945	cf::override;	1343	cf::override;
946	},	1344	},
947	);	1345	);
948		1346
		1347	# "readahead" all extensions
949	sub load_extension {	1348	sub cache_extensions {
950	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
951		1350
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1354	}
977	die $@;
978	}	1355	};
979		1356
980	push @EXTS, $pkg;	1357	$grp
981	}	1358	}
982		1359
983	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
984	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1365	next unless -r $path;
986	eval {	1366
987	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
988	1	1423	}
989	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
990	}	1429	};
991	}	1430	}
992		1431
993	#############################################################################	1432	#############################################################################
994		1433
		1434	=back
		1435
995	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
996		1437
997	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
998		1439
999	=cut	1440	=cut
1000		1441
1001	package cf::player;	1442	package cf::player;
1002		1443
1003	use Coro::AIO;	1444	use Coro::AIO;
1004		1445
1005	=head3 cf::player	1446	=head3 cf::player
1006		1447
1007	=over 4	1448	=over 4
		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
1008		1463
1009	=item cf::player::find $login	1464	=item cf::player::find $login
1010		1465
1011	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
1012		1467
…		…
1031		1486
1032	sub exists($) {	1487	sub exists($) {
1033	my ($login) = @_;	1488	my ($login) = @_;
1034		1489
1035	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1037	}	1492	}
1038		1493
1039	sub find($) {	1494	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1496	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1506	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1507
1053	my $pl = load_pl path $login	1508	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1056	}	1517	}
1057	}	1518	}
1058	}	1519	}
1059		1520
…		…
1068	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1069		1530
1070	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1072		1533
		1534	cf::get_slot 0.01;
		1535
1073	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1074	Coro::cede;	1537	cf::cede_to_tick;
1075	}	1538	}
1076		1539
1077	sub new($) {	1540	sub new($) {
1078	my ($login) = @_;	1541	my ($login) = @_;
1079		1542
…		…
1085	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1086		1549
1087	$self	1550	$self
1088	}	1551	}
1089		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
1090	=item $pl->quit_character	1563	=item $pl->quit_character
1091		1564
1092	Nukes the player without looking back. If logged in, the connection will	1565	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1566	be destroyed. May block for a long time.
1094		1567
…		…
1098	my ($pl) = @_;	1571	my ($pl) = @_;
1099		1572
1100	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1101		1574
1102	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1577
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1109		1584
1110	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1622	or return [];
1148		1623
1149	my @logins;	1624	my @logins;
1150		1625
1151	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
1155		1636
1156	utf8::decode $login;	1637	utf8::decode $login;
1157	push @logins, $login;	1638	push @logins, $login;
1158	}	1639	}
1159		1640
…		…
1186	}	1667	}
1187		1668
1188	\@paths	1669	\@paths
1189	}	1670	}
1190		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1191	=item $player->ext_reply ($msgid, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1192		1677
1193	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1194		1679
1195	=cut	1680	=cut
1196		1681
1197	sub ext_reply($$%) {	1682	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1199		1684
1200	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1686	}
1204		1687
1205	=item $player->ext_event ($type, %msg)	1688	=item $player->ext_msg ($type, @msg)
1206		1689
1207	Sends an ext event to the client.	1690	Sends an ext event to the client.
1208		1691
1209	=cut	1692	=cut
1210		1693
1211	sub ext_event($$%) {	1694	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1695	my ($self, $type, @msg) = @_;
1213		1696
1214	$self->ns->ext_event ($type, %msg);	1697	$self->ns->ext_msg ($type, @msg);
1215	}	1698	}
1216		1699
1217	=head3 cf::region	1700	=head3 cf::region
1218		1701
1219	=over 4	1702	=over 4
…		…
1222		1705
1223	package cf::region;	1706	package cf::region;
1224		1707
1225	=item cf::region::find_by_path $path	1708	=item cf::region::find_by_path $path
1226		1709
1227	Tries to decuce the probable region for a map knowing only its path.	1710	Tries to decuce the likely region for a map knowing only its path.
1228		1711
1229	=cut	1712	=cut
1230		1713
1231	sub find_by_path($) {	1714	sub find_by_path($) {
1232	my ($path) = @_;	1715	my ($path) = @_;
1233		1716
1234	my ($match, $specificity);	1717	my ($match, $specificity);
1235		1718
1236	for my $region (list) {	1719	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1720	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1721	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1722	if $region->specificity > $specificity;
1240	}	1723	}
1241	}	1724	}
1242		1725
…		…
1263	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1265		1748
1266	sub generate_random_map {	1749	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1268	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1755	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1792	my ($self, $merge) = @_;
1307		1793
1308	# we have to keep some variables in memory intact	1794	# we have to keep some variables in memory intact
1309	local $self->{path};	1795	local $self->{path};
1310	local $self->{load_path};	1796	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1797
1314	$self->SUPER::thawer_merge ($merge);	1798	$self->SUPER::thawer_merge ($merge);
1315	}	1799	}
1316		1800
1317	sub normalise {	1801	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1848	$self->init; # pass $1 etc.
1365	return $self;	1849	return $self;
1366	}	1850	}
1367	}	1851	}
1368		1852
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1854	()
1371	}	1855	}
1372		1856
1373	sub init {	1857	sub init {
1374	my ($self) = @_;	1858	my ($self) = @_;
…		…
1396		1880
1397	# the temporary/swap location	1881	# the temporary/swap location
1398	sub save_path {	1882	sub save_path {
1399	my ($self) = @_;	1883	my ($self) = @_;
1400		1884
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1403	}	1887	}
1404		1888
1405	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1406	sub uniq_path {	1890	sub uniq_path {
1407	my ($self) = @_;	1891	my ($self) = @_;
1408		1892
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1411	}	1895	}
1412		1896
1413	# and all this just because we cannot iterate over	1897	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1898	my ($self) = @_;
1417		1899
1418	$_->change_map_light ($change)	1900	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1901
		1902	$self->do_decay_objects;
1420	}	1903	}
1421		1904
1422	sub unlink_save {	1905	sub unlink_save {
1423	my ($self) = @_;	1906	my ($self) = @_;
1424		1907
…		…
1429		1912
1430	sub load_header_from($) {	1913	sub load_header_from($) {
1431	my ($self, $path) = @_;	1914	my ($self, $path) = @_;
1432		1915
1433	utf8::encode $path;	1916	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1918	or return;
		1919
		1920	$self->_load_header ($f)
		1921	or return;
		1922
		1923	local $MAP_LOADING{$self->{path}} = $self;
		1924	$f->resolve_delayed_derefs;
1439		1925
1440	$self->{load_path} = $path;	1926	$self->{load_path} = $path;
1441		1927
1442	1	1928	1
1443	}	1929	}
…		…
1482	$self->load_header_orig	1968	$self->load_header_orig
1483	or return;	1969	or return;
1484	$self->prepare_orig;	1970	$self->prepare_orig;
1485	}	1971	}
1486		1972
		1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
		1975
1487	$self->default_region (cf::region::find_by_path $self->{path})	1976	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1977	unless $self->default_region;
1489		1978
1490	1	1979	1
1491	}	1980	}
…		…
1494	sub find {	1983	sub find {
1495	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1496		1985
1497	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1498		1987
		1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1990
1501	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1504	or return;	1993	or return;
1505		1994
1506	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1507		1996
1508	$map->load_header	1997	$map->load_header
1509	or return;	1998	or return;
1510		1999
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1514	$map->reset;	2005	$map->reset;
1515	undef $guard;
1516	return find $path;	2006	return find $path;
1517	}	2007	}
1518		2008
1519	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1520	}	2010	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1530		2020
1531	my $path = $self->{path};	2021	my $path = $self->{path};
1532		2022
1533	{	2023	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1535		2025
		2026	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2028
1538	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1539		2030
1540	$self->alloc;	2031	$self->alloc;
1541		2032
1542	$self->pre_load;	2033	$self->pre_load;
1543	Coro::cede;	2034	cf::cede_to_tick;
1544		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2038	$self->_load_objects ($f)
1546	or return;	2039	or return;
1547		2040
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1549	if delete $self->{load_original};	2042	if delete $self->{load_original};
1550		2043
1551	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2045	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2048	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1556	}	2052	}
1557	}	2053	}
1558		2054
1559	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1560	# now do the right thing for maps	2058	# now do the right thing for maps
1561	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2061	unless $self->difficulty;
1564	Coro::cede;	2062	cf::cede_to_tick;
1565		2063
1566	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2065	$self->decay_objects;
1568	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1569	$self->update_buttons;	2067	$self->update_buttons;
1570	Coro::cede;	2068	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2069	$self->activate;
1574	}	2070	}
1575		2071
		2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
		2074
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2076	}
1578		2077
1579	$self->post_load;	2078	$self->post_load;
1580	}	2079	}
1581		2080
…		…
1583	my ($self, $ob) = @_;	2082	my ($self, $ob) = @_;
1584		2083
1585	return find "~" . $ob->name . "/" . $self->{path}	2084	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2085	if $self->per_player;
1587		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
1588	$self	2090	$self
1589	}	2091	}
1590		2092
1591	# find and load all maps in the 3x3 area around a map	2093	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2094	sub load_neighbours {
1593	my ($map) = @_;	2095	my ($map) = @_;
1594		2096
1595	my @diag; # diagonal neighbours	2097	my @neigh; # diagonal neighbours
1596		2098
1597	for (0 .. 3) {	2099	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2100	my $neigh = $map->tile_path ($_)
1599	or next;	2101	or next;
1600	$neigh = find $neigh, $map	2102	$neigh = find $neigh, $map
1601	or next;	2103	or next;
1602	$neigh->load;	2104	$neigh->load;
1603		2105
		2106	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2109	}
1607		2110
1608	for (@diag) {	2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2113	my $neigh = find $path, $origin
1610	or next;	2114	or next;
1611	$neigh->load;	2115	$neigh->load;
1612	}	2116	}
1613	}	2117	}
1614		2118
…		…
1619	}	2123	}
1620		2124
1621	sub do_load_sync {	2125	sub do_load_sync {
1622	my ($map) = @_;	2126	my ($map) = @_;
1623		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1624	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
1625	}	2132	}
1626		2133
1627	our %MAP_PREFETCH;	2134	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2135	our $MAP_PREFETCHER = undef;
1629		2136
1630	sub find_async {	2137	sub find_async {
1631	my ($path, $origin) = @_;	2138	my ($path, $origin, $load) = @_;
1632		2139
1633	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
1634		2141
1635	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2144	}
1638		2145
1639	undef $MAP_PREFETCH{$path};	2146	$MAP_PREFETCH{$path} |= $load;
		2147
1640	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
		2149	$Coro::current->{desc} = "map prefetcher";
		2150
1641	while (%MAP_PREFETCH) {	2151	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2152	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2153	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2154	$map->load if $v;
		2155	}
1646		2156
1647	delete $MAP_PREFETCH{$path};	2157	delete $MAP_PREFETCH{$k};
1648	}	2158	}
1649	}	2159	}
1650	undef $MAP_PREFETCHER;	2160	undef $MAP_PREFETCHER;
1651	};	2161	};
1652	$MAP_PREFETCHER->prio (6);	2162	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2165	}
1656		2166
1657	sub save {	2167	sub save {
1658	my ($self) = @_;	2168	my ($self) = @_;
1659		2169
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2171
1662	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1663		2173
1664	return unless $self->dirty;	2174	return unless $self->dirty;
1665		2175
…		…
1671	return if $self->{deny_save};	2181	return if $self->{deny_save};
1672		2182
1673	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1674		2184
1675	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1677	};	2188	};
		2189
		2190	cf::get_slot 0.02;
1678		2191
1679	if ($uniq) {	2192	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2195	} else {
…		…
1688	my ($self) = @_;	2201	my ($self) = @_;
1689		2202
1690	# save first because save cedes	2203	# save first because save cedes
1691	$self->save;	2204	$self->save;
1692		2205
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2207
1695	return if $self->players;	2208	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2210	return if $self->{deny_save};
1698		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2216	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2217	}
1702		2218
1703	sub reset_at {	2219	sub reset_at {
1704	my ($self) = @_;	2220	my ($self) = @_;
1705		2221
1706	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1709		2224
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2227
…		…
1723	my ($self) = @_;	2238	my ($self) = @_;
1724		2239
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2241
1727	return if $self->players;	2242	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2243
1730	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
1731		2245
1732	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1733		2247
1734	# need to save uniques path	2248	# need to save uniques path
1735	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2253	if $uniq;
1740	}	2254	}
1741		2255
1742	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1743		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2260	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2261
1748	$self->unlink_save;	2262	$self->unlink_save;
1749	$self->destroy;	2263	$self->destroy;
1750	}	2264	}
1751		2265
1752	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1753		2267
1754	sub nuke {	2268	sub nuke {
1755	my ($self) = @_;	2269	my ($self) = @_;
1756		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1757	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1758		2275
1759	$self->unlink_save;	2276	$self->unlink_save;
1760		2277
1761	bless $self, "cf::map";	2278	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2283
1767	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1768		2286
1769	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1770	}	2324	}
1771		2325
1772	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1773		2327
1774	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2329	instantiated unique items. May block.
1776		2330
1777	=cut	2331	=cut
1778		2332
1779	sub unique_maps() {	2333	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2334	[
1781	or return;	2335	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2336	utf8::decode $_;
1787	next if /\.pst$/;	2337	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2339	? ()
1790	push @paths, cf::map::normalise $_;	2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2342	]
1792
1793	\@paths
1794	}	2343	}
1795
1796	package cf;
1797		2344
1798	=back	2345	=back
1799		2346
1800	=head3 cf::object	2347	=head3 cf::object
1801		2348
…		…
1805		2352
1806	=over 4	2353	=over 4
1807		2354
1808	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
1809		2356
1810	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
1811		2359
1812	=cut	2360	=cut
1813		2361
1814	sub inv_recursive_;	2362	sub inv_recursive_;
1815	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
1818		2366
1819	sub inv_recursive {	2367	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
1821	}	2369	}
1822		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
		2397	}
		2398
1823	package cf;	2399	package cf;
1824		2400
1825	=back	2401	=back
1826		2402
1827	=head3 cf::object::player	2403	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1836		2412
1837	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1838		2428
1839	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2430	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1844		2434
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2436
1847	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1849	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1852	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1853	}	2462	}
1854		2463
1855	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1856		2465
1857	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1870		2479
1871	=item $player_object->enter_link	2480	=item $player_object->enter_link
1872		2481
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2483
1875	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
1877		2488
1878	Will never block.	2489	Will never block.
1879		2490
1880	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1881		2492
…		…
1904	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1905		2516
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2518
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1910		2521
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2523	}
1913		2524
1914	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1916		2529
1917	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1918		2531
1919	unless ($map) {	2532	unless ($map) {
1920	# restore original map position	2533	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1937		2550
1938	$map->load;	2551	$map->load;
1939	$map->load_diag;	2552	$map->load_neighbours;
1940		2553
1941	return unless $self->contr->active;	2554	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2555
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
1946	}
1947		2558
1948	cf::player->attach (	2559	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2560	$self->activate_recursive;
1950	my ($pl) = @_;	2561	}
1951		2562
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2564
1982	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2568	the new (success) or old (failed) map position. In either case, $done will
		2569	be called at the end of this process.
1986		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
		2573
1987	=cut	2574	=cut
		2575
		2576	our $GOTOGEN;
1988		2577
1989	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
		2580
		2581	# do generation counting so two concurrent goto's will be executed in-order
		2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2583
1992	$self->enter_link;	2584	$self->enter_link;
1993		2585
1994	(async {	2586	(async {
		2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
1995	my $map = eval {	2608	my $map = eval {
1996	my $map = cf::map::find $path;	2609	my $map = defined $path ? cf::map::find $path : undef;
1997		2610
1998	if ($map) {	2611	if ($map) {
1999	$map = $map->customise_for ($self);	2612	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2613	$map = $check->($map) if $check && $map;
2001	} else {	2614	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2616	}
2004		2617
2005	$map	2618	$map
2006	};	2619	};
2007		2620
2008	if ($@) {	2621	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2623	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2624	}
2012		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
2014	})->prio (1);	2632	})->prio (1);
2015	}	2633	}
2016		2634
2017	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
2018		2636
…		…
2038	}	2656	}
2039		2657
2040	sub prepare_random_map {	2658	sub prepare_random_map {
2041	my ($exit) = @_;	2659	my ($exit) = @_;
2042		2660
2043	my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2046	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2047	# that depends on the exit object	2663	# that depends on the exit object
2048		2664
2049	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2051	if ($exit->map) {	2667	if ($exit->map) {
2052	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2053	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2054	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2055	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2056	}	2674	}
2057		2675
2058	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2059		2677
2060	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2062	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2063		2681
2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2066	undef $fh;	2684	undef $fh;
2067	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2068		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2069	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2070	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2071	}	2693	}
2072	}	2694	}
2073		2695
2074	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2075	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2076		2698
2077	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2078		2700
2079	if ($exit->slaying eq "/!") {
2080	#TODO: this should de-fi-ni-te-ly not be a sync-job
2081	# the problem is that $exit might not survive long enough
2082	# so it needs to be done right now, right here
2083	cf::sync_job { prepare_random_map $exit };
2084	}
2085
2086	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;
2089
2090	$self->enter_link;	2701	$self->enter_link;
2091		2702
2092	(async {	2703	(async {
2093	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
2094	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2095	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2096		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2097	1;	2727	1
2098	}) {	2728	}) {
2099	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2100	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2101	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2102	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2103		2733
2104	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2123		2753
2124	utf8::encode $text;	2754	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2756	}
2127		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
2128	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2129		2919
2130	Sends an exti event to the client.	2920	Sends an ext event to the client.
2131		2921
2132	=cut	2922	=cut
2133		2923
2134	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2136		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2139	}	2951	}
2140		2952
2141	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2142		2954
2143	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2958
2147	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2960	become reliable at some point in the future.
2149		2961
2150	=cut	2962	=cut
2151		2963
2152	sub cf::client::query {	2964	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2973	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2975
2164	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2166	}	2980	}
2167		2981
2168	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2169	on_reply => sub {	2988	on_reply => sub {
2170	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2171		2990
2172	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2173	# get handled first	2992	# get handled first
…		…
2185	} else {	3004	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	3006	}
2188	}	3007	}
2189	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2190	);	3035	);
2191		3036
2192	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2193		3038
2194	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2237		3082
2238	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2239		3084
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2241		3090
2242	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2243		3092
2244	=pod	3093	=pod
2245		3094
2246	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2247		3096
2248	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
2249	cf::object::player player	3102	cf::object::player
2250	cf::player peaceful	3103	player
2251	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
2252		3110
2253	=cut	3111	=cut
2254		3112
2255	for (	3113	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
2257	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2259	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2260	) {	3120	) {
2261	no strict 'refs';	3121	no strict 'refs';
2262	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2263	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2280	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2281		3141
2282	my $qcode = $code;	3142	my $qcode = $code;
2283	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2284	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2285		3147
2286	local $_;	3148	local $_;
2287	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2288		3150
2289	my $eval =	3151	my $eval =
…		…
2332	=back	3194	=back
2333		3195
2334	=cut	3196	=cut
2335		3197
2336	#############################################################################	3198	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3199	# the server's init and main functions
2512		3200
2513	sub load_facedata($) {	3201	sub load_facedata($) {
2514	my ($path) = @_;	3202	my ($path) = @_;
		3203
		3204	# HACK to clear player env face cache, we need some signal framework
		3205	# for this (global event?)
		3206	%ext::player_env::MUSIC_FACE_CACHE = ();
		3207
		3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3209
2516	warn "loading facedata from $path\n";	3210	warn "loading facedata from $path\n";
2517		3211
2518	my $facedata;	3212	my $facedata;
2519	0 < aio_load $path, $facedata	3213	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3216	$facedata = Coro::Storable::thaw $facedata;
2523		3217
2524	$facedata->{version} == 2	3218	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3220
		3221	# patch in the exptable
		3222	$facedata->{resource}{"res/exp_table"} = {
		3223	type => FT_RSRC,
		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3225	};
		3226	cf::cede_to_tick;
		3227
2527	{	3228	{
2528	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
2529		3230
2530	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3234	cf::face::set_visibility $idx, $info->{visibility};
		3235	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3238
		3239	cf::cede_to_tick;
2536	}	3240	}
2537		3241
2538	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
2540	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
2541	or next;	3246	or next;
		3247
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3251	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3253	}
2547	Coro::cede;	3254
		3255	cf::cede_to_tick;
2548	}	3256	}
2549	}	3257	}
2550		3258
2551	{	3259	{
2552	my $anims = $facedata->{animinfo};	3260	my $anims = $facedata->{animinfo};
2553		3261
2554	while (my ($anim, $info) = each %$anims) {	3262	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3264	cf::cede_to_tick;
2557	}	3265	}
2558		3266
2559	cf::anim::invalidate_all; # d'oh	3267	cf::anim::invalidate_all; # d'oh
2560	}	3268	}
2561		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
2562	1	3305	1
2563	}	3306	}
2564		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
2565	sub reload_regions {	3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
2566	load_resource_file "$MAPDIR/regions"	3351	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
2568	}	3358	}
2569		3359
2570	sub reload_facedata {	3360	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3361	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3362	or die "unable to load facedata\n";
…		…
2583	}	3373	}
2584		3374
2585	sub reload_resources {	3375	sub reload_resources {
2586	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
2587		3377
2588	reload_regions;
2589	reload_facedata;	3378	reload_facedata;
2590	reload_archetypes;	3379	reload_archetypes;
		3380	reload_regions;
2591	reload_treasures;	3381	reload_treasures;
2592		3382
2593	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
2594	}	3384	}
2595		3385
2596	sub init {	3386	sub reload_config {
2597	reload_resources;
2598	}
2599
2600	sub cfg_load {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3388	or return;
2603		3389
2604	local $/;	3390	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2606		3392
2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608		3394
2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2616	};	3402	};
2617	warn $@ if $@;	3403	warn $@ if $@;
2618	}	3404	}
2619	}	3405	}
2620		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2621	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2622	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3453	(async {
2626	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2628	};	3457	};
2629		3458
2630	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
2631	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2632	load_extensions;	3477	load_extensions;
2633		3478
2634	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
2635	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2636	}	3489	}
2637		3490
2638	#############################################################################	3491	#############################################################################
2639	# initialisation and cleanup	3492	# initialisation and cleanup
2640		3493
2641	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
2642	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
2651	},
2652	);	3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
2653	}	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
2654	}	3588	}
2655		3589
2656	sub emergency_save() {	3590	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
2658		3592
2659	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
2660		3594
2661	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
2662	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
2663	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
2664	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
2666	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3609	$pl->save;
2670	}	3610	}
2671	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
2672		3612
2673	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
2674	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
2675	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
2676	$map->valid or next;	3616	$map->valid or next;
2677	$map->save;	3617	$map->save;
2678	}	3618	}
2679	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
2680		3620
2681	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
2682	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
2683	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
2684	};	3628	};
2685		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
2686	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
2687	}	3636	}
2688		3637
2689	sub post_cleanup {	3638	sub post_cleanup {
2690	my ($make_core) = @_;	3639	my ($make_core) = @_;
2691		3640
2692	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
2693	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
2694	}	3672	}
2695		3673
2696	sub do_reload_perl() {	3674	sub do_reload_perl() {
2697	# can/must only be called in main	3675	# can/must only be called in main
2698	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2699	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
2700	return;	3678	return;
2701	}	3679	}
2702		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2703	warn "reloading...";	3686	warn "reloading...";
2704		3687
2705	warn "entering sync_job";	3688	warn "entering sync_job";
2706		3689
2707	cf::sync_job {	3690	cf::sync_job {
2708	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
2709	cf::emergency_save;	3692	cf::emergency_save;
2710	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
2711		3694
2712	warn "syncing database to disk";	3695	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
2714		3697
2715	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2716		3699
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721
2722	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
2723	for (;;) {
2724	BDB::flush;
2725	IO::AIO::flush;
2726	Coro::cede;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2728	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2729	}
2730
2731	++$RELOAD;
2732
2733	warn "cancelling all extension coros";
2734	$_->cancel for values %EXT_CORO;
2735	%EXT_CORO = ();
2736
2737	warn "removing commands";
2738	%COMMAND = ();
2739
2740	warn "removing ext commands";
2741	%EXTCMD = ();
2742
2743	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";
2746
2747	if (my $cb = $pkg->can ("unload")) {
2748	eval {
2749	$cb->($pkg);
2750	1
2751	} or warn "$pkg unloaded, but with errors: $@";
2752	}	3703	}
2753		3704
2754	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
2755	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
2756	}	3707	%EXT_CORO = ();
2757		3708
2758	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
2759	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
2760	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
2762	warn "... unloading $k";	3718	warn "... unloading $pkg";
2763	delete $INC{$k};
2764		3719
2765	$k =~ s/\.pm$//;
2766	$k =~ s/\//::/g;
2767
2768	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
2769	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2770	}	3729	}
2771		3730
2772	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
2773	}	3746	}
2774		3747
2775	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
2776	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2777	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778		3751
2779	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
2780	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
2781	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782		3755
2783	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2784	# and global variables created in xs	3757	# and global variables created in xs
2785	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2786		3759
2787	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
2788		3761
2789	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2790	require cf;	3763	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3765
2793	warn "loading config and database again";	3766	warn "loading config and database again";
2794	cf::cfg_load;	3767	cf::reload_config;
2795		3768
2796	warn "loading extensions";	3769	warn "loading extensions";
2797	cf::load_extensions;	3770	cf::load_extensions;
2798		3771
		3772	if ($REATTACH_ON_RELOAD) {
2799	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
2800	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
2801	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
2802	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
2803	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
2804	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
2805		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
2806	warn "leaving sync_job";	3784	warn "leaving sync_job";
2807		3785
2808	1	3786	1
2809	} or do {	3787	} or do {
2810	warn $@;	3788	warn $@;
2811	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
2812	exit 1;
2813	};	3790	};
2814		3791
2815	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
2816	};	3798	};
2817		3799
2818	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
2819		3801
2820	sub reload_perl() {	3802	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
2823		3805
2824	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
2825	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
2826	after => 0,	3808
2827	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2828	cb => sub {
2829	do_reload_perl;	3810	do_reload_perl;
2830	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
2831	},	3812	};
2832	);	3813	};
2833	}	3814	}
2834		3815
2835	register_command "reload" => sub {	3816	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2837		3818
2838	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3823	reload_perl;
		3824	};
2841	}	3825	}
2842	};	3826	};
2843		3827
2844	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2845		3829
…		…
2847		3831
2848	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
2849	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
2850		3834
2851	sub wait_for_tick {	3835	sub wait_for_tick {
2852	return unless $TICK_WATCHER->is_active;
2853	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
2854		3837
2855	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
2856	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
2857	$signal->wait;	3840	$signal->wait;
2858	}	3841	}
2859		3842
2860	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
2861	return unless $TICK_WATCHER->is_active;
2862	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
2863		3845
2864	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3848	$signal->wait;
2867	}	3849	}
2868		3850
2869	my $min = 1e6;#d#	3851	sub tick {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
2881	return;	3855	return;
2882	}	3856	}
2883		3857
2884	$NOW = $tick_start = Event::time;
2885
2886	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2887		3859
2888	0 && sync_job {#d#	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	for(1..10) {	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890	my $t = Event::time;	3862	Coro::async_pool {
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3863	$Coro::current->{desc} = "runtime saver";
2892	or die;	3864	write_runtime_sync
2893		3865	or warn "ERROR: unable to write runtime file: $!";
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	3866	};
		3867	}
2910		3868
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3870	$sig->send;
2927	}	3871	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3873	$sig->send;
2930	}	3874	}
2931		3875
2932	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3878
2943	_post_tick;	3879	if (0) {
2944		3880	if ($NEXT_TICK) {
2945		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
2946	},	3885	}
2947	);	3886	}
2948		3887
2949	{	3888	{
2950	BDB::max_poll_time $TICK * 0.1;	3889	# configure BDB
2951	$BDB_POLL_WATCHER = Event->io (	3890
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
2960		3892	BDB::max_poll_reqs $TICK * 0.1;
2961	BDB::set_sync_prepare {	3893	$AnyEvent::BDB::WATCHER->priority (1);
2962	my $status;
2963	my $current = $Coro::current;
2964	(
2965	sub {
2966	$status = $!;
2967	$current->ready; undef $current;
2968	},
2969	sub {
2970	Coro::schedule while defined $current;
2971	$! = $status;
2972	},
2973	)
2974	};
2975		3894
2976	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3902
2979	cf::sync_job {	3903	cf::sync_job {
2980	eval {	3904	eval {
2981	BDB::db_env_open	3905	BDB::db_env_open
2982	$DB_ENV,	3906	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3910	0666;
2987		3911
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3913	};
2993		3914
2994	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3916	};
2996	}	3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
2997	}	3928	}
2998		3929
2999	{	3930	{
		3931	# configure IO::AIO
		3932
3000	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3001
3002	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	3936	}
3013		3937
3014	my $_log_backtrace;	3938	my $_log_backtrace;
3015		3939
3016	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3019	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3020		3944
3021	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3024	async {	3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
3025	my @bt = fork_call {	3952	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3956	or die "addr2line: $!";
…		…
3037	}	3964	}
3038		3965
3039	@funcs	3966	@funcs
3040	};	3967	};
3041		3968
3042	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3044	--$_log_backtrace;	3972	--$_log_backtrace;
3045	};	3973	};
3046	} else {	3974	} else {
3047	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3048	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3049	}	3977	}
3050	}	3978	}
3051		3979
3052	# load additional modules	3980	# load additional modules
3053	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3054		3982
3055	END { cf::emergency_save }	3983	END { cf::emergency_save }
3056		3984
3057	1	3985	1
3058		3986

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines