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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 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 "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::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
		52	use JSON::XS 2.01 ();
25	use BDB ();	53	use BDB ();
26	use Data::Dumper;	54	use Data::Dumper;
27	use Digest::MD5;	55	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		75
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		77
49	our %COMMAND = ();	78	our %COMMAND = ();
50	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
51		80
52	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
56		86
57	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	88	our @EVENT;
59		89
60	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	91	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
71		105
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	108	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	114	our $DB_ENV;
82		115
83	our %CFG;	116	our %CFG;
84		117
85	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
87		121
88	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
91		125
92	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
95	binmode STDOUT;	138	binmode STDOUT;
96	binmode STDERR;	139	binmode STDERR;
97		140
98	# read virtual server time, if available	141	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
103	}	146	}
104		147
105	mkdir $_	148	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		182
140	=item $cf::TICK	183	=item $cf::TICK
141		184
142	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
143		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
144	=item %cf::CFG	197	=item %cf::CFG
145		198
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	200	from wherever your confdir points to.
148		201
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		203
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	205	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
155	=back	214	=back
156		215
157	=cut	216	=cut
158		217
159	BEGIN {	218	BEGIN {
…		…
163	$msg .= "\n"	222	$msg .= "\n"
164	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
165		224
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		226
168	utf8::encode $msg;
169	LOG llevError, $msg;	227	LOG llevError, $msg;
170	};	228	};
171	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
172		245
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		253
180	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	255	# within the Safe compartment.
182	for my $pkg (qw(	256	for my $pkg (qw(
183	cf::global cf::attachable	257	cf::global cf::attachable
184	cf::object cf::object::player	258	cf::object cf::object::player
185	cf::client cf::player	259	cf::client cf::player
186	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
187	cf::map cf::party cf::region	262	cf::party cf::region
188	)) {	263	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	265	}
192		266
193	$Event::DIED = sub {	267	$EV::DIED = sub {
194	warn "error in event callback: @_";	268	warn "error in event callback: @_";
195	};	269	};
		270
		271	#############################################################################
196		272
197	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
198		274
199	=over 4	275	=over 4
200		276
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	296	$d
221	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
222	}	298	}
223		299
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
227		301
228	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
229		303
230	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
231		305
232	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
233		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
234	=item cf::lock_wait $string	329	=item cf::lock_wait $string
235		330
236	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
237		332
238	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
239		334
240	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
243	returned.	338	returned.
244		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
245	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
247		345
248	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
249		347
250	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
251		349
252	=cut	350	=cut
253		351
254	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
255		354
256	sub lock_wait($) {	355	sub lock_wait($) {
257	my ($key) = @_;	356	my ($key) = @_;
258		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
259	# wait for lock, if any	363	# wait for lock, if any
260	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
261	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	367	Coro::schedule;
263	}	368	}
264	}	369	}
265		370
…		…
268		373
269	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
270	lock_wait $key;	375	lock_wait $key;
271		376
272	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
273		379
274	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
277	}	384	}
278	}	385	}
279		386
…		…
282		389
283	! ! $LOCK{$key}	390	! ! $LOCK{$key}
284	}	391	}
285		392
286	sub freeze_mainloop {	393	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
288		395
289	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
291	};	457	}
292	$TICK_WATCHER->stop;	458	};
293	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
294	}	472	}
295		473
296	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
297		475
298	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		481
304	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
305		483
306	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
307		485
308	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
311		490
312	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
315	fast or be very important.	494	fast or be very important.
…		…
318		497
319	sub sync_job(&) {	498	sub sync_job(&) {
320	my ($job) = @_;	499	my ($job) = @_;
321		500
322	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
323	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
325		506
326	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	508
328	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
329		510
330	my $busy = 1;	511	my $busy = 1;
331	my @res;	512	my @res;
332		513
333	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	516	@res = eval { $job->() };
335	warn $@ if $@;	517	warn $@ if $@;
336	undef $busy;	518	undef $busy;
337	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
338		520
339	while ($busy) {	521	while ($busy) {
340	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
341	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
342		532
343	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
344	} else {	534	} else {
345	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
346		536
…		…
366	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
367		557
368	$coro	558	$coro
369	}	559	}
370		560
371	sub write_runtime {	561	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		562
374	my $runtime = "$LOCALDIR/runtime";	563	Executes the given code block with the given arguments in a seperate
		564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
375		567
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
377	or return;
378		569
379	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		572
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
384	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
385		576
386	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	578	reset_signals;
388	and return;	579	&$cb
		580	}, @args;
389		581
390	close $fh	582	wantarray ? @res : $res[-1]
391	or return;	583	}
392		584
393	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
394	and return;
395		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
396	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
397	}	737	}
398		738
399	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
400		740
401	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		753
414	#############################################################################	754	#############################################################################
415		755
416	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
417		757
418	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
421		761
422	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	764	Deliantra).
425		765
426	=over 4	766	=over 4
427		767
428	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
429		769
…		…
473	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
474		814
475	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
477		817
478	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
480		820
481	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
482		822
483	=over 4	823	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
593		933
594	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		938
599	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	940	my $pkg = shift @arg;
601		941
602	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
632	}	972	}
633		973
634	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
635	} else {	975	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	977	}
638		978
639	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
640	}	980	}
641		981
…		…
643	if (ref $_[0]) {	983	if (ref $_[0]) {
644	_object_attach @_;	984	_object_attach @_;
645	} else {	985	} else {
646	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
647	}	987	}
		988	_recalc_want;
648	};	989	};
649		990
650	# all those should be optimised	991	# all those should be optimised
651	sub cf::attachable::detach {	992	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
656	reattach ($obj);	997	reattach ($obj);
657	} else {	998	} else {
658	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
659	}	1000	}
		1001	_recalc_want;
660	};	1002	};
661		1003
662	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
664		1006
…		…
679	";	1021	";
680	die if $@;	1022	die if $@;
681	}	1023	}
682		1024
683	our $override;	1025	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1027
686	sub override {	1028	sub override {
687	$override = 1;	1029	$override = 1;
688	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
689	}	1031	}
690		1032
691	sub do_invoke {	1033	sub do_invoke {
692	my $event = shift;	1034	my $event = shift;
693	my $callbacks = shift;	1035	my $callbacks = shift;
694		1036
695	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
696		1038
697	local $override;	1039	local $override;
698		1040
699	for (@$callbacks) {	1041	for (@$callbacks) {
700	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
709	}	1051	}
710		1052
711	0	1053	0
712	}	1054	}
713		1055
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1057
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1059
718	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
719		1061
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1065
724	=back	1066	=back
725		1067
726	=cut	1068	=cut
727		1069
728	#############################################################################	1070	#############################################################################
729	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
730		1114
731	sub reattach {	1115	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1117	my ($obj) = @_;
734		1118
		1119	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1121
737	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
738		1123
739	@$registry = ();	1124	@$registry = ();
740		1125
…		…
755	cf::attachable->attach (	1140	cf::attachable->attach (
756	prio => -1000000,	1141	prio => -1000000,
757	on_instantiate => sub {	1142	on_instantiate => sub {
758	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
759		1144
760	$data = from_json $data;	1145	$data = decode_json $data;
761		1146
762	for (@$data) {	1147	for (@$data) {
763	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
764		1149
765	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1166	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
783		1168
784	sync_job {	1169	sync_job {
785	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
788		1174
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1179	aio_close $fh;
794		1180
795	if (@$objs) {	1181	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1187	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
803	}	1189	}
804	} else {	1190	} else {
805	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
806	}	1192	}
807		1193
808	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1198	} else {
810	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
811	}	1200	}
812	} else {	1201	} else {
813	aio_unlink $filename;	1202	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
815	}	1204	}
816	}	1205	};
817	}	1206	}
818		1207
819	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
821		1210
…		…
833	or return;	1222	or return;
834		1223
835	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
837	or return;	1226	or return;
		1227
838	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
839	}	1230	}
840		1231
		1232	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
843	return ($data, $av);	1236	($data, $av)
844	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
845		1244
846	#############################################################################	1245	#############################################################################
847	# command handling &c	1246	# command handling &c
848		1247
849	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1262	}
864		1263
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1265
867	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
868		1271
869	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
870	called.	1273	called.
871		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
872	=cut	1286	=cut
873		1287
874	sub register_extcmd {	1288	sub register_extcmd {
875	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
876		1290
877	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
878	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
879		1301
880	cf::player->attach (	1302	cf::player->attach (
881	on_command => sub {	1303	on_command => sub {
882	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
883		1305
…		…
891	cf::override;	1313	cf::override;
892	},	1314	},
893	on_extcmd => sub {	1315	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
895		1317
896	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1319
898	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
904	} else {	1335	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1337	}
907		1338
908	cf::override;	1339	cf::override;
909	},	1340	},
910	);	1341	);
911		1342
		1343	# "readahead" all extensions
912	sub load_extension {	1344	sub cache_extensions {
913	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
914		1346
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1350	}
940	die $@;
941	}	1351	};
942		1352
943	push @EXTS, $pkg;	1353	$grp
944	}	1354	}
945		1355
946	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
947	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1361	next unless -r $path;
949	eval {	1362
950	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
951	1	1419	}
952	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
953	}	1425	};
954	}	1426	}
955		1427
956	#############################################################################	1428	#############################################################################
957		1429
		1430	=back
		1431
958	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
959		1433
960	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
961		1435
962	=cut	1436	=cut
963		1437
964	package cf::player;	1438	package cf::player;
965		1439
966	use Coro::AIO;	1440	use Coro::AIO;
967		1441
968	=head3 cf::player	1442	=head3 cf::player
969		1443
970	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
971		1459
972	=item cf::player::find $login	1460	=item cf::player::find $login
973		1461
974	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
975		1463
…		…
994		1482
995	sub exists($) {	1483	sub exists($) {
996	my ($login) = @_;	1484	my ($login) = @_;
997		1485
998	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1000	}	1488	}
1001		1489
1002	sub find($) {	1490	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1492	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1503
1016	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1019	}	1513	}
1020	}	1514	}
1021	}	1515	}
1022		1516
…		…
1031	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1032		1526
1033	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1035		1529
		1530	cf::get_slot 0.01;
		1531
1036	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1037	Coro::cede;	1533	cf::cede_to_tick;
1038	}	1534	}
1039		1535
1040	sub new($) {	1536	sub new($) {
1041	my ($login) = @_;	1537	my ($login) = @_;
1042		1538
…		…
1048	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1049		1545
1050	$self	1546	$self
1051	}	1547	}
1052		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1053	=item $pl->quit_character	1559	=item $pl->quit_character
1054		1560
1055	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1057		1563
…		…
1061	my ($pl) = @_;	1567	my ($pl) = @_;
1062		1568
1063	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1064		1570
1065	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1573
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1072		1580
1073	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1618	or return [];
1111		1619
1112	my @logins;	1620	my @logins;
1113		1621
1114	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1118		1632
1119	utf8::decode $login;	1633	utf8::decode $login;
1120	push @logins, $login;	1634	push @logins, $login;
1121	}	1635	}
1122		1636
…		…
1149	}	1663	}
1150		1664
1151	\@paths	1665	\@paths
1152	}	1666	}
1153		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1154	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1155		1673
1156	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1157		1675
1158	=cut	1676	=cut
1159		1677
1160	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1162		1680
1163	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1682	}
1167		1683
1168	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1169		1685
1170	Sends an ext event to the client.	1686	Sends an ext event to the client.
1171		1687
1172	=cut	1688	=cut
1173		1689
1174	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1176		1692
1177	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1178	}	1694	}
1179		1695
1180	=head3 cf::region	1696	=head3 cf::region
1181		1697
1182	=over 4	1698	=over 4
…		…
1185		1701
1186	package cf::region;	1702	package cf::region;
1187		1703
1188	=item cf::region::find_by_path $path	1704	=item cf::region::find_by_path $path
1189		1705
1190	Tries to decuce the probable region for a map knowing only its path.	1706	Tries to decuce the likely region for a map knowing only its path.
1191		1707
1192	=cut	1708	=cut
1193		1709
1194	sub find_by_path($) {	1710	sub find_by_path($) {
1195	my ($path) = @_;	1711	my ($path) = @_;
1196		1712
1197	my ($match, $specificity);	1713	my ($match, $specificity);
1198		1714
1199	for my $region (list) {	1715	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1203	}	1719	}
1204	}	1720	}
1205		1721
…		…
1226	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1228		1744
1229	sub generate_random_map {	1745	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1231	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1751	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1270		1789
1271	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1272	local $self->{path};	1791	local $self->{path};
1273	local $self->{load_path};	1792	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1793
1277	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1278	}	1795	}
1279		1796
1280	sub normalise {	1797	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1328	return $self;	1845	return $self;
1329	}	1846	}
1330	}	1847	}
1331		1848
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1850	()
1334	}	1851	}
1335		1852
1336	sub init {	1853	sub init {
1337	my ($self) = @_;	1854	my ($self) = @_;
…		…
1359		1876
1360	# the temporary/swap location	1877	# the temporary/swap location
1361	sub save_path {	1878	sub save_path {
1362	my ($self) = @_;	1879	my ($self) = @_;
1363		1880
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1366	}	1883	}
1367		1884
1368	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1369	sub uniq_path {	1886	sub uniq_path {
1370	my ($self) = @_;	1887	my ($self) = @_;
1371		1888
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1374	}	1891	}
1375		1892
1376	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1377	# all maps in C++...	1894	# all maps in C++...
…		…
1380		1897
1381	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1383	}	1900	}
1384		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1385	sub unlink_save {	1910	sub unlink_save {
1386	my ($self) = @_;	1911	my ($self) = @_;
1387		1912
1388	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1917
1393	sub load_header_from($) {	1918	sub load_header_from($) {
1394	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1395		1920
1396	utf8::encode $path;	1921	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1402		1930
1403	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1404		1932
1405	1	1933	1
1406	}	1934	}
…		…
1445	$self->load_header_orig	1973	$self->load_header_orig
1446	or return;	1974	or return;
1447	$self->prepare_orig;	1975	$self->prepare_orig;
1448	}	1976	}
1449		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
1450	$self->default_region (cf::region::find_by_path $self->{path})	1981	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1982	unless $self->default_region;
1452		1983
1453	1	1984	1
1454	}	1985	}
…		…
1457	sub find {	1988	sub find {
1458	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1459		1990
1460	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1461		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1463		1995
1464	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1466	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1467	or return;	2001	or return;
1468		2002
1469	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1470		2004
1471	$map->load_header	2005	$map->load_header
1472	or return;	2006	or return;
1473		2007
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1477	$map->reset;	2013	$map->reset;
1478	undef $guard;
1479	return find $path;	2014	return find $path;
1480	}	2015	}
1481		2016
1482	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1483	}	2018	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1493		2028
1494	my $path = $self->{path};	2029	my $path = $self->{path};
1495		2030
1496	{	2031	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1498		2033
		2034	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2036
1501	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1502		2038
1503	$self->alloc;	2039	$self->alloc;
1504		2040
1505	$self->pre_load;	2041	$self->pre_load;
1506	Coro::cede;	2042	cf::cede_to_tick;
1507		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1509	or return;	2047	or return;
1510		2048
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1512	if delete $self->{load_original};	2050	if delete $self->{load_original};
1513		2051
1514	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2053	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2056	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1519	}	2060	}
1520	}	2061	}
1521		2062
1522	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1523	# now do the right thing for maps	2066	# now do the right thing for maps
1524	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2069	unless $self->difficulty;
1527	Coro::cede;	2070	cf::cede_to_tick;
1528		2071
1529	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2073	$self->decay_objects;
1531	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1532	$self->update_buttons;	2075	$self->update_buttons;
1533	Coro::cede;	2076	cf::cede_to_tick;
1534	$self->set_darkness_map;	2077	$self->set_darkness_map;
1535	Coro::cede;	2078	cf::cede_to_tick;
1536	$self->activate;	2079	$self->activate;
1537	}	2080	}
1538		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2086	}
1541		2087
1542	$self->post_load;	2088	$self->post_load;
1543	}	2089	}
1544		2090
…		…
1546	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1547		2093
1548	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2095	if $self->per_player;
1550		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1551	$self	2100	$self
1552	}	2101	}
1553		2102
1554	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2104	sub load_neighbours {
1556	my ($map) = @_;	2105	my ($map) = @_;
1557		2106
1558	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1559		2108
1560	for (0 .. 3) {	2109	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1562	or next;	2111	or next;
1563	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1564	or next;	2113	or next;
1565	$neigh->load;	2114	$neigh->load;
1566		2115
		2116	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2119	}
1570		2120
1571	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1573	or next;	2124	or next;
1574	$neigh->load;	2125	$neigh->load;
1575	}	2126	}
1576	}	2127	}
1577		2128
…		…
1582	}	2133	}
1583		2134
1584	sub do_load_sync {	2135	sub do_load_sync {
1585	my ($map) = @_;	2136	my ($map) = @_;
1586		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1587	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1588	}	2142	}
1589		2143
1590	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1592		2146
1593	sub find_async {	2147	sub find_async {
1594	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1595		2149
1596	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1597		2151
1598	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2154	}
1601		2155
1602	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1603	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1604	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2163	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2164	$map->load if $v;
		2165	}
1609		2166
1610	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1611	}	2168	}
1612	}	2169	}
1613	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1614	};	2171	};
1615	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2175	}
1619		2176
1620	sub save {	2177	sub save {
1621	my ($self) = @_;	2178	my ($self) = @_;
1622		2179
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2181
1625	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1626		2183
1627	return unless $self->dirty;	2184	return unless $self->dirty;
1628		2185
…		…
1634	return if $self->{deny_save};	2191	return if $self->{deny_save};
1635		2192
1636	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1637		2194
1638	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1640	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1641		2201
1642	if ($uniq) {	2202	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2205	} else {
…		…
1651	my ($self) = @_;	2211	my ($self) = @_;
1652		2212
1653	# save first because save cedes	2213	# save first because save cedes
1654	$self->save;	2214	$self->save;
1655		2215
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2217
1658	return if $self->players;	2218	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2220	return if $self->{deny_save};
1661		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2226	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2227	}
1665		2228
1666	sub reset_at {	2229	sub reset_at {
1667	my ($self) = @_;	2230	my ($self) = @_;
1668		2231
1669	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1672		2234
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2237
…		…
1686	my ($self) = @_;	2248	my ($self) = @_;
1687		2249
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2251
1690	return if $self->players;	2252	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2253
1693	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1694		2255
1695	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1696		2257
1697	# need to save uniques path	2258	# need to save uniques path
1698	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2263	if $uniq;
1703	}	2264	}
1704		2265
1705	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1706		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2270	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2271
1711	$self->unlink_save;	2272	$self->unlink_save;
1712	$self->destroy;	2273	$self->destroy;
1713	}	2274	}
1714		2275
1715	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1716		2277
1717	sub nuke {	2278	sub nuke {
1718	my ($self) = @_;	2279	my ($self) = @_;
1719		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1720	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1721		2285
1722	$self->unlink_save;	2286	$self->unlink_save;
1723		2287
1724	bless $self, "cf::map";	2288	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2293
1730	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1731		2296
1732	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1733	}	2334	}
1734		2335
1735	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1736		2337
1737	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2339	instantiated unique items. May block.
1739		2340
1740	=cut	2341	=cut
1741		2342
1742	sub unique_maps() {	2343	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2344	[
1744	or return;	2345	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2346	utf8::decode $_;
1750	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2349	? ()
1753	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2352	]
1755
1756	\@paths
1757	}	2353	}
1758
1759	package cf;
1760		2354
1761	=back	2355	=back
1762		2356
1763	=head3 cf::object	2357	=head3 cf::object
1764		2358
…		…
1768		2362
1769	=over 4	2363	=over 4
1770		2364
1771	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1772		2366
1773	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1774		2369
1775	=cut	2370	=cut
1776		2371
1777	sub inv_recursive_;	2372	sub inv_recursive_;
1778	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1781		2376
1782	sub inv_recursive {	2377	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1784	}	2379	}
1785		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1786	package cf;	2409	package cf;
1787		2410
1788	=back	2411	=back
1789		2412
1790	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1799		2422
1800	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1801		2438
1802	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2440	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1807		2444
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2446
1810	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1812	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1815	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1816	}	2472	}
1817		2473
1818	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1819		2475
1820	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1833		2489
1834	=item $player_object->enter_link	2490	=item $player_object->enter_link
1835		2491
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2493
1838	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1840		2498
1841	Will never block.	2499	Will never block.
1842		2500
1843	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1844		2502
…		…
1867	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1868		2526
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2528
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1873		2531
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2533	}
1876		2534
1877	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1879		2539
1880	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1881		2541
1882	unless ($map) {	2542	unless ($map) {
1883	# restore original map position	2543	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1900		2560
1901	$map->load;	2561	$map->load;
1902	$map->load_diag;	2562	$map->load_neighbours;
1903		2563
1904	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905	$self->activate_recursive;	2566	$self->activate_recursive;
1906		2567
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1909	}	2570	}
1910		2571
1911	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2573
1915	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1919	};	2578	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2579
1925	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2582
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1946		2586
1947	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
		2589
		2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2592
1950	$self->enter_link;	2593	$self->enter_link;
1951		2594
1952	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1953	my $map = eval {	2617	my $map = eval {
1954	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
		2622	$map = $check->($map) if $check && $map;
		2623	} else {
		2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626
1956	$map	2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2633	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1961	})->prio (1);	2641	})->prio (1);
1962	}	2642	}
1963		2643
1964	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1965		2645
…		…
1985	}	2665	}
1986		2666
1987	sub prepare_random_map {	2667	sub prepare_random_map {
1988	my ($exit) = @_;	2668	my ($exit) = @_;
1989		2669
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2672	# that depends on the exit object
1995		2673
1996	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2676	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2003	}	2683	}
2004		2684
2005	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2006		2686
2007	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2010		2690
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2693	undef $fh;
2014	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2015		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2018	}	2702	}
2019	}	2703	}
2020		2704
2021	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2023		2707
2024	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2025		2709
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2710	$self->enter_link;
2038		2711
2039	(async {	2712	(async {
2040	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2041	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2042	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2043		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2044	1;	2736	1
2045	}) {	2737	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2742
2051	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2070		2762
2071	utf8::encode $text;	2763	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2765	}
2074		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2075	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2076		2919
2077	Sends an exti event to the client.	2920	Sends an ext event to the client.
2078		2921
2079	=cut	2922	=cut
2080		2923
2081	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2083		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2085	$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	}
2086	}	2951	}
2087		2952
2088	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2089		2954
2090	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2091	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>,
2092	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>.
2093		2958
2094	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
2095	reliable at some point in the future.	2960	become reliable at some point in the future.
2096		2961
2097	=cut	2962	=cut
2098		2963
2099	sub cf::client::query {	2964	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2973	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2975
2111	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2113	}	2980	}
2114		2981
2115	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	},
2116	on_reply => sub {	2988	on_reply => sub {
2117	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2118		2990
2119	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2120	# get handled first	2992	# get handled first
…		…
2132	} else {	3004	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3006	}
2135	}	3007	}
2136	},	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	},
2137	);	3035	);
2138		3036
2139	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2140		3038
2141	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2184		3082
2185	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2186		3084
2187	$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	));
2188		3090
2189	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2190		3092
2191	=pod	3093	=pod
2192		3094
2193	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2194		3096
2195	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
2196	cf::object::player player	3101	cf::object::player
2197	cf::player peaceful	3102	player
2198	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2199		3109
2200	=cut	3110	=cut
2201		3111
2202	for (	3112	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2207	) {	3119	) {
2208	no strict 'refs';	3120	no strict 'refs';
…		…
2279	=back	3191	=back
2280		3192
2281	=cut	3193	=cut
2282		3194
2283	#############################################################################	3195	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3196	# the server's init and main functions
2458		3197
2459	sub load_facedata($) {	3198	sub load_facedata($) {
2460	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3206
2462	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2463		3208
2464	my $facedata;	3209	my $facedata;
2465	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2469		3214
2470	$facedata->{version} == 2	3215	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2473	{	3225	{
2474	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2475		3227
2476	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3235
		3236	cf::cede_to_tick;
2482	}	3237	}
2483		3238
2484	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2486	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2487	or next;	3243	or next;
		3244
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3248	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3250	}
2493	Coro::cede;	3251
		3252	cf::cede_to_tick;
2494	}	3253	}
2495	}	3254	}
2496		3255
2497	{	3256	{
2498	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2499		3258
2500	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3261	cf::cede_to_tick;
2503	}	3262	}
2504		3263
2505	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2506	}	3265	}
2507		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2508	1	3302	1
2509	}	3303	}
2510		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2511	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2512	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2514	}	3355	}
2515		3356
2516	sub reload_facedata {	3357	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2529	}	3370	}
2530		3371
2531	sub reload_resources {	3372	sub reload_resources {
2532	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2533		3374
2534	reload_regions;
2535	reload_facedata;	3375	reload_facedata;
2536	reload_archetypes;	3376	reload_archetypes;
		3377	reload_regions;
2537	reload_treasures;	3378	reload_treasures;
2538		3379
2539	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2540	}	3381	}
2541		3382
2542	sub init {	3383	sub reload_config {
2543	reload_resources;
2544	}
2545
2546	sub cfg_load {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3385	or return;
2549		3386
2550	local $/;	3387	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2552		3389
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554		3391
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2562	};	3399	};
2563	warn $@ if $@;	3400	warn $@ if $@;
2564	}	3401	}
2565	}	3402	}
2566		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2567	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2568	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3442	(async {
2572	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2574	};	3446	};
2575		3447
2576	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2577	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2578	load_extensions;	3466	load_extensions;
2579		3467
2580	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2581	Event::loop;	3476	EV::loop;
2582	}	3477	}
2583		3478
2584	#############################################################################	3479	#############################################################################
2585	# initialisation and cleanup	3480	# initialisation and cleanup
2586		3481
2587	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2588	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2597	},
2598	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2599	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2600	}	3576	}
2601		3577
2602	sub emergency_save() {	3578	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2604		3580
2605	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2606		3582
2607	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2608	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3597	$pl->save;
2616	}	3598	}
2617	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2618		3600
2619	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3604	$map->valid or next;
2623	$map->save;	3605	$map->save;
2624	}	3606	}
2625	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2626		3608
2627	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2630	};	3616	};
2631		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2632	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2633	}	3624	}
2634		3625
2635	sub post_cleanup {	3626	sub post_cleanup {
2636	my ($make_core) = @_;	3627	my ($make_core) = @_;
2637		3628
2638	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
2640	}	3660	}
2641		3661
2642	sub do_reload_perl() {	3662	sub do_reload_perl() {
2643	# can/must only be called in main	3663	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2645	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2646	return;	3666	return;
2647	}	3667	}
2648		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2649	warn "reloading...";	3674	warn "reloading...";
2650		3675
2651	warn "entering sync_job";	3676	warn "entering sync_job";
2652		3677
2653	cf::sync_job {	3678	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2655	cf::emergency_save;	3680	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2657		3682
2658	warn "syncing database to disk";	3683	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2660		3685
2661	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2662		3687
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2674	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();
2682
2683	warn "removing commands";
2684	%COMMAND = ();
2685
2686	warn "removing ext commands";
2687	%EXTCMD = ();
2688
2689	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";
2692
2693	if (my $cb = $pkg->can ("unload")) {
2694	eval {
2695	$cb->($pkg);
2696	1
2697	} or warn "$pkg unloaded, but with errors: $@";
2698	}	3691	}
2699		3692
2700	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2701	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2702	}	3695	%EXT_CORO = ();
2703		3696
2704	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2705	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2708	warn "... unloading $k";	3706	warn "... unloading $pkg";
2709	delete $INC{$k};
2710		3707
2711	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;
2713
2714	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2715	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2716	}	3717	}
2717		3718
2718	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2719	}	3734	}
2720		3735
2721	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3739
2725	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
2728		3743
2729	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3745	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2732		3747
2733	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2734		3749
2735	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2736	require cf;	3751	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3753
2739	warn "loading config and database again";	3754	warn "loading config and database again";
2740	cf::cfg_load;	3755	cf::reload_config;
2741		3756
2742	warn "loading extensions";	3757	warn "loading extensions";
2743	cf::load_extensions;	3758	cf::load_extensions;
2744		3759
		3760	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2751		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
2752	warn "leaving sync_job";	3772	warn "leaving sync_job";
2753		3773
2754	1	3774	1
2755	} or do {	3775	} or do {
2756	warn $@;	3776	warn $@;
2757	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2758	exit 1;
2759	};	3778	};
2760		3779
2761	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
2762	};	3786	};
2763		3787
2764	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
2765		3789
2766	sub reload_perl() {	3790	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
2769		3793
2770	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	3796
2773	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	3798	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
2777	},	3800	};
2778	);	3801	};
2779	}	3802	}
2780		3803
2781	register_command "reload" => sub {	3804	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2783		3806
2784	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3811	reload_perl;
		3812	};
2787	}	3813	}
2788	};	3814	};
2789		3815
2790	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2791		3817
…		…
2793		3819
2794	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
2796		3822
2797	sub wait_for_tick {	3823	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2800		3825
2801	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	3828	$signal->wait;
2804	}	3829	}
2805		3830
2806	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
2809		3833
2810	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3836	$signal->wait;
2813	}	3837	}
2814		3838
2815	$TICK_WATCHER = Event->timer (	3839	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2825	return;	3843	return;
2826	}	3844	}
2827		3845
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2831		3847
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3852	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2840	};
2841	}	3854	};
		3855	}
2842		3856
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	3858	$sig->send;
2854	}	3859	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	3861	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	3862	}
2861	);	3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
2862		3875
2863	{	3876	{
2864	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	3878
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2874		3880	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		3882
2890	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3890
2893	cf::sync_job {	3891	cf::sync_job {
2894	eval {	3892	eval {
2895	BDB::db_env_open	3893	BDB::db_env_open
2896	$DB_ENV,	3894	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3898	0666;
2901		3899
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	3901	};
2907		3902
2908	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3904	};
2910	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2911	}	3916	}
2912		3917
2913	{	3918	{
		3919	# configure IO::AIO
		3920
2914	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	3924	}
		3925
		3926	my $_log_backtrace;
2927		3927
2928	sub _log_backtrace {	3928	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	3929	my ($msg, @addr) = @_;
2930		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
2931	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
2932	my @bt = fork_call {	3940	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	3944	or die "addr2line: $!";
2936		3945
2937	my @funcs;	3946	my @funcs;
2938	my @res = <$fh>;	3947	my @res = <$fh>;
2939	chomp for @res;	3948	chomp for @res;
2940	while (@res) {	3949	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	3950	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
2943	}	3955	};
2944		3956
2945	@funcs	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
2946	};	3961	};
2947		3962	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	3964	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	3965	}
2953	}	3966	}
2954		3967
2955	# load additional modules	3968	# load additional modules
2956	use cf::pod;	3969	use cf::pod;
2957		3970

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