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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
95	binmode STDOUT;	137	binmode STDOUT;
96	binmode STDERR;	138	binmode STDERR;
97		139
98	# read virtual server time, if available	140	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
103	}	145	}
104		146
105	mkdir $_	147	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		181
140	=item $cf::TICK	182	=item $cf::TICK
141		183
142	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
143		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
144	=item %cf::CFG	196	=item %cf::CFG
145		197
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	199	from wherever your confdir points to.
148		200
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		202
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	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	204	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.	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
		212
155	=back	213	=back
156		214
157	=cut	215	=cut
158		216
159	BEGIN {	217	BEGIN {
…		…
163	$msg .= "\n"	221	$msg .= "\n"
164	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
165		223
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		225
168	utf8::encode $msg;
169	LOG llevError, $msg;	226	LOG llevError, $msg;
170	};	227	};
171	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
172		244
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		252
180	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	254	# within the Safe compartment.
182	for my $pkg (qw(	255	for my $pkg (qw(
183	cf::global cf::attachable	256	cf::global cf::attachable
184	cf::object cf::object::player	257	cf::object cf::object::player
185	cf::client cf::player	258	cf::client cf::player
186	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
187	cf::map cf::party cf::region	261	cf::party cf::region
188	)) {	262	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	264	}
192		265
193	$Event::DIED = sub {	266	$EV::DIED = sub {
194	warn "error in event callback: @_";	267	warn "error in event callback: @_";
195	};	268	};
		269
		270	#############################################################################
196		271
197	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
198		273
199	=over 4	274	=over 4
200		275
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	295	$d
221	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
222	}	297	}
223		298
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
227		300
228	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
229		302
230	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
231		304
232	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
		306
		307	=cut
		308
		309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		310
		311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
233		327
234	=item cf::lock_wait $string	328	=item cf::lock_wait $string
235		329
236	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
237		331
…		…
240	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
243	returned.	337	returned.
244		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
245	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
247		344
248	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
249		346
250	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
251		348
252	=cut	349	=cut
253		350
254	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
255		353
256	sub lock_wait($) {	354	sub lock_wait($) {
257	my ($key) = @_;	355	my ($key) = @_;
258		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
259	# wait for lock, if any	362	# wait for lock, if any
260	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
261	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	366	Coro::schedule;
263	}	367	}
264	}	368	}
265		369
…		…
268		372
269	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
270	lock_wait $key;	374	lock_wait $key;
271		375
272	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
273		378
274	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
277	}	383	}
278	}	384	}
279		385
…		…
282		388
283	! ! $LOCK{$key}	389	! ! $LOCK{$key}
284	}	390	}
285		391
286	sub freeze_mainloop {	392	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
288		394
289	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
291	};	456	}
292	$TICK_WATCHER->stop;	457	};
293	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
294	}	471	}
295		472
296	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
297		474
298	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		480
304	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
305		482
306	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
307		484
308	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
311		489
312	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
315	fast or be very important.	493	fast or be very important.
…		…
318		496
319	sub sync_job(&) {	497	sub sync_job(&) {
320	my ($job) = @_;	498	my ($job) = @_;
321		499
322	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
323	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
325		505
326	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	507
328	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
329		509
330	my $busy = 1;	510	my $busy = 1;
331	my @res;	511	my @res;
332		512
333	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	515	@res = eval { $job->() };
335	warn $@ if $@;	516	warn $@ if $@;
336	undef $busy;	517	undef $busy;
337	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
338		519
339	while ($busy) {	520	while ($busy) {
340	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
341	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
342		531
343	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
344	} else {	533	} else {
345	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
346		535
…		…
366	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
367		556
368	$coro	557	$coro
369	}	558	}
370		559
371	sub write_runtime {	560	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		561
374	my $runtime = "$LOCALDIR/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
375		566
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
377	or return;
378		568
379	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		571
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
384	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
385		575
386	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	577	reset_signals;
388	and return;	578	&$cb
		579	}, @args;
389		580
390	close $fh	581	wantarray ? @res : $res[-1]
391	or return;	582	}
392		583
393	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
394	and return;
395		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
396	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
397	}	736	}
398		737
399	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
400		739
401	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		752
414	#############################################################################	753	#############################################################################
415		754
416	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
417		756
418	Many objects in crossfire are so-called attachable objects. That means you can	757	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")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
421		760
422	In the following description, CLASS can be any of C<global>, C<object>	761	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	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	763	Deliantra).
425		764
426	=over 4	765	=over 4
427		766
428	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
429		768
…		…
473	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
474		813
475	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
477		816
478	Some classes such as crossfire maps and objects can specify attachments	817	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.	818	that are attached at load/instantiate time, thus the need for a name.
480		819
481	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
482		821
483	=over 4	822	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
593		932
594	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		937
599	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	939	my $pkg = shift @arg;
601		940
602	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
632	}	971	}
633		972
634	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
635	} else {	974	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	976	}
638		977
639	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
640	}	979	}
641		980
…		…
643	if (ref $_[0]) {	982	if (ref $_[0]) {
644	_object_attach @_;	983	_object_attach @_;
645	} else {	984	} else {
646	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
647	}	986	}
		987	_recalc_want;
648	};	988	};
649		989
650	# all those should be optimised	990	# all those should be optimised
651	sub cf::attachable::detach {	991	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
656	reattach ($obj);	996	reattach ($obj);
657	} else {	997	} else {
658	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
659	}	999	}
		1000	_recalc_want;
660	};	1001	};
661		1002
662	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
664		1005
…		…
679	";	1020	";
680	die if $@;	1021	die if $@;
681	}	1022	}
682		1023
683	our $override;	1024	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1026
686	sub override {	1027	sub override {
687	$override = 1;	1028	$override = 1;
688	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
689	}	1030	}
690		1031
691	sub do_invoke {	1032	sub do_invoke {
692	my $event = shift;	1033	my $event = shift;
693	my $callbacks = shift;	1034	my $callbacks = shift;
694		1035
695	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
696		1037
697	local $override;	1038	local $override;
698		1039
699	for (@$callbacks) {	1040	for (@$callbacks) {
700	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
709	}	1050	}
710		1051
711	0	1052	0
712	}	1053	}
713		1054
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1056
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1058
718	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
719		1060
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	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	1062	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1064
724	=back	1065	=back
725		1066
726	=cut	1067	=cut
727		1068
728	#############################################################################	1069	#############################################################################
729	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
730		1113
731	sub reattach {	1114	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1116	my ($obj) = @_;
734		1117
		1118	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1120
737	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
738		1122
739	@$registry = ();	1123	@$registry = ();
740		1124
…		…
755	cf::attachable->attach (	1139	cf::attachable->attach (
756	prio => -1000000,	1140	prio => -1000000,
757	on_instantiate => sub {	1141	on_instantiate => sub {
758	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
759		1143
760	$data = from_json $data;	1144	$data = decode_json $data;
761		1145
762	for (@$data) {	1146	for (@$data) {
763	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
764		1148
765	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1165	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
783		1167
784	sync_job {	1168	sync_job {
785	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
788		1173
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1178	aio_close $fh;
794		1179
795	if (@$objs) {	1180	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1186	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
803	}	1188	}
804	} else {	1189	} else {
805	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
806	}	1191	}
807		1192
808	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1197	} else {
810	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
811	}	1199	}
812	} else {	1200	} else {
813	aio_unlink $filename;	1201	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
815	}	1203	}
816	}	1204	};
817	}	1205	}
818		1206
819	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
821		1209
…		…
833	or return;	1221	or return;
834		1222
835	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
837	or return;	1225	or return;
		1226
838	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
839	}	1229	}
840		1230
		1231	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
843	return ($data, $av);	1235	($data, $av)
844	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
845		1243
846	#############################################################################	1244	#############################################################################
847	# command handling &c	1245	# command handling &c
848		1246
849	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1261	}
864		1262
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1264
867	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
868		1270
869	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
870	called.	1272	called.
871		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
872	=cut	1285	=cut
873		1286
874	sub register_extcmd {	1287	sub register_extcmd {
875	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
876		1289
877	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
878	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
879		1300
880	cf::player->attach (	1301	cf::player->attach (
881	on_command => sub {	1302	on_command => sub {
882	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
883		1304
…		…
891	cf::override;	1312	cf::override;
892	},	1313	},
893	on_extcmd => sub {	1314	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
895		1316
896	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1318
898	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
904	} else {	1334	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1336	}
907		1337
908	cf::override;	1338	cf::override;
909	},	1339	},
910	);	1340	);
911		1341
		1342	# "readahead" all extensions
912	sub load_extension {	1343	sub cache_extensions {
913	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
914		1345
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1348	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	}	1349	}
940	die $@;
941	}	1350	};
942		1351
943	push @EXTS, $pkg;	1352	$grp
944	}	1353	}
945		1354
946	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
947	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1360	next unless -r $path;
949	eval {	1361
950	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
951	1	1418	}
952	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
953	}	1424	};
954	}	1425	}
955		1426
956	#############################################################################	1427	#############################################################################
957		1428
		1429	=back
		1430
958	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
959		1432
960	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
961		1434
962	=cut	1435	=cut
963		1436
964	package cf::player;	1437	package cf::player;
965		1438
966	use Coro::AIO;	1439	use Coro::AIO;
967		1440
968	=head3 cf::player	1441	=head3 cf::player
969		1442
970	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
971		1458
972	=item cf::player::find $login	1459	=item cf::player::find $login
973		1460
974	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
975		1462
…		…
994		1481
995	sub exists($) {	1482	sub exists($) {
996	my ($login) = @_;	1483	my ($login) = @_;
997		1484
998	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1000	}	1487	}
1001		1488
1002	sub find($) {	1489	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1491	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1502
1016	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1019	}	1512	}
1020	}	1513	}
1021	}	1514	}
1022		1515
…		…
1031	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1032		1525
1033	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1035		1528
		1529	cf::get_slot 0.01;
		1530
1036	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1037	Coro::cede;	1532	cf::cede_to_tick;
1038	}	1533	}
1039		1534
1040	sub new($) {	1535	sub new($) {
1041	my ($login) = @_;	1536	my ($login) = @_;
1042		1537
…		…
1048	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1049		1544
1050	$self	1545	$self
1051	}	1546	}
1052		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1053	=item $pl->quit_character	1558	=item $pl->quit_character
1054		1559
1055	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1057		1562
…		…
1061	my ($pl) = @_;	1566	my ($pl) = @_;
1062		1567
1063	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1064		1569
1065	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1572
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1072		1579
1073	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1617	or return [];
1111		1618
1112	my @logins;	1619	my @logins;
1113		1620
1114	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1118		1631
1119	utf8::decode $login;	1632	utf8::decode $login;
1120	push @logins, $login;	1633	push @logins, $login;
1121	}	1634	}
1122		1635
…		…
1149	}	1662	}
1150		1663
1151	\@paths	1664	\@paths
1152	}	1665	}
1153		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1154	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1155		1672
1156	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1157		1674
1158	=cut	1675	=cut
1159		1676
1160	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1162		1679
1163	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1681	}
1167		1682
1168	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1169		1684
1170	Sends an ext event to the client.	1685	Sends an ext event to the client.
1171		1686
1172	=cut	1687	=cut
1173		1688
1174	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1176		1691
1177	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1178	}	1693	}
1179		1694
1180	=head3 cf::region	1695	=head3 cf::region
1181		1696
1182	=over 4	1697	=over 4
…		…
1185		1700
1186	package cf::region;	1701	package cf::region;
1187		1702
1188	=item cf::region::find_by_path $path	1703	=item cf::region::find_by_path $path
1189		1704
1190	Tries to decuce the probable region for a map knowing only its path.	1705	Tries to decuce the likely region for a map knowing only its path.
1191		1706
1192	=cut	1707	=cut
1193		1708
1194	sub find_by_path($) {	1709	sub find_by_path($) {
1195	my ($path) = @_;	1710	my ($path) = @_;
1196		1711
1197	my ($match, $specificity);	1712	my ($match, $specificity);
1198		1713
1199	for my $region (list) {	1714	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1715	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1716	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1717	if $region->specificity > $specificity;
1203	}	1718	}
1204	}	1719	}
1205		1720
…		…
1226	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1228		1743
1229	sub generate_random_map {	1744	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1231	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1750	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1270		1788
1271	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1272	local $self->{path};	1790	local $self->{path};
1273	local $self->{load_path};	1791	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1792
1277	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1278	}	1794	}
1279		1795
1280	sub normalise {	1796	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1328	return $self;	1844	return $self;
1329	}	1845	}
1330	}	1846	}
1331		1847
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1849	()
1334	}	1850	}
1335		1851
1336	sub init {	1852	sub init {
1337	my ($self) = @_;	1853	my ($self) = @_;
…		…
1359		1875
1360	# the temporary/swap location	1876	# the temporary/swap location
1361	sub save_path {	1877	sub save_path {
1362	my ($self) = @_;	1878	my ($self) = @_;
1363		1879
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1366	}	1882	}
1367		1883
1368	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1369	sub uniq_path {	1885	sub uniq_path {
1370	my ($self) = @_;	1886	my ($self) = @_;
1371		1887
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1374	}	1890	}
1375		1891
1376	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1377	# all maps in C++...	1893	# all maps in C++...
…		…
1380		1896
1381	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1383	}	1899	}
1384		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1385	sub unlink_save {	1909	sub unlink_save {
1386	my ($self) = @_;	1910	my ($self) = @_;
1387		1911
1388	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1916
1393	sub load_header_from($) {	1917	sub load_header_from($) {
1394	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1395		1919
1396	utf8::encode $path;	1920	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1402		1929
1403	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1404		1931
1405	1	1932	1
1406	}	1933	}
…		…
1445	$self->load_header_orig	1972	$self->load_header_orig
1446	or return;	1973	or return;
1447	$self->prepare_orig;	1974	$self->prepare_orig;
1448	}	1975	}
1449		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
1450	$self->default_region (cf::region::find_by_path $self->{path})	1980	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1981	unless $self->default_region;
1452		1982
1453	1	1983	1
1454	}	1984	}
…		…
1457	sub find {	1987	sub find {
1458	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1459		1989
1460	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1461		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1463		1994
1464	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1466	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1467	or return;	2000	or return;
1468		2001
1469	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1470		2003
1471	$map->load_header	2004	$map->load_header
1472	or return;	2005	or return;
1473		2006
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1477	$map->reset;	2012	$map->reset;
1478	undef $guard;
1479	return find $path;	2013	return find $path;
1480	}	2014	}
1481		2015
1482	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1483	}	2017	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1493		2027
1494	my $path = $self->{path};	2028	my $path = $self->{path};
1495		2029
1496	{	2030	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1498		2032
		2033	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2035
1501	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1502		2037
1503	$self->alloc;	2038	$self->alloc;
1504		2039
1505	$self->pre_load;	2040	$self->pre_load;
1506	Coro::cede;	2041	cf::cede_to_tick;
1507		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1509	or return;	2046	or return;
1510		2047
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1512	if delete $self->{load_original};	2049	if delete $self->{load_original};
1513		2050
1514	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2052	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2055	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1519	}	2059	}
1520	}	2060	}
1521		2061
1522	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1523	# now do the right thing for maps	2065	# now do the right thing for maps
1524	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2068	unless $self->difficulty;
1527	Coro::cede;	2069	cf::cede_to_tick;
1528		2070
1529	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2072	$self->decay_objects;
1531	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1532	$self->update_buttons;	2074	$self->update_buttons;
1533	Coro::cede;	2075	cf::cede_to_tick;
1534	$self->set_darkness_map;	2076	$self->set_darkness_map;
1535	Coro::cede;	2077	cf::cede_to_tick;
1536	$self->activate;	2078	$self->activate;
1537	}	2079	}
1538		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2085	}
1541		2086
1542	$self->post_load;	2087	$self->post_load;
1543	}	2088	}
1544		2089
…		…
1546	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1547		2092
1548	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2094	if $self->per_player;
1550		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1551	$self	2099	$self
1552	}	2100	}
1553		2101
1554	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2103	sub load_neighbours {
1556	my ($map) = @_;	2104	my ($map) = @_;
1557		2105
1558	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1559		2107
1560	for (0 .. 3) {	2108	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1562	or next;	2110	or next;
1563	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1564	or next;	2112	or next;
1565	$neigh->load;	2113	$neigh->load;
1566		2114
		2115	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2118	}
1570		2119
1571	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1573	or next;	2123	or next;
1574	$neigh->load;	2124	$neigh->load;
1575	}	2125	}
1576	}	2126	}
1577		2127
…		…
1582	}	2132	}
1583		2133
1584	sub do_load_sync {	2134	sub do_load_sync {
1585	my ($map) = @_;	2135	my ($map) = @_;
1586		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1587	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1588	}	2141	}
1589		2142
1590	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1592		2145
1593	sub find_async {	2146	sub find_async {
1594	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1595		2148
1596	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1597		2150
1598	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2153	}
1601		2154
1602	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1603	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1604	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2162	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2163	$map->load if $v;
		2164	}
1609		2165
1610	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1611	}	2167	}
1612	}	2168	}
1613	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1614	};	2170	};
1615	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2174	}
1619		2175
1620	sub save {	2176	sub save {
1621	my ($self) = @_;	2177	my ($self) = @_;
1622		2178
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2180
1625	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1626		2182
1627	return unless $self->dirty;	2183	return unless $self->dirty;
1628		2184
…		…
1634	return if $self->{deny_save};	2190	return if $self->{deny_save};
1635		2191
1636	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1637		2193
1638	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1640	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1641		2200
1642	if ($uniq) {	2201	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2204	} else {
…		…
1651	my ($self) = @_;	2210	my ($self) = @_;
1652		2211
1653	# save first because save cedes	2212	# save first because save cedes
1654	$self->save;	2213	$self->save;
1655		2214
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2216
1658	return if $self->players;	2217	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2219	return if $self->{deny_save};
1661		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2225	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2226	}
1665		2227
1666	sub reset_at {	2228	sub reset_at {
1667	my ($self) = @_;	2229	my ($self) = @_;
1668		2230
1669	# TODO: safety, remove and allow resettable per-player maps	2231	# 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};	2232	return 1e99 if $self->{deny_reset};
1672		2233
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2236
…		…
1686	my ($self) = @_;	2247	my ($self) = @_;
1687		2248
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2250
1690	return if $self->players;	2251	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2252
1693	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1694		2254
1695	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1696		2256
1697	# need to save uniques path	2257	# need to save uniques path
1698	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2262	if $uniq;
1703	}	2263	}
1704		2264
1705	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1706		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2269	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2270
1711	$self->unlink_save;	2271	$self->unlink_save;
1712	$self->destroy;	2272	$self->destroy;
1713	}	2273	}
1714		2274
1715	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1716		2276
1717	sub nuke {	2277	sub nuke {
1718	my ($self) = @_;	2278	my ($self) = @_;
1719		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1720	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1721		2284
1722	$self->unlink_save;	2285	$self->unlink_save;
1723		2286
1724	bless $self, "cf::map";	2287	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2292
1730	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1731		2295
1732	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1733	}	2333	}
1734		2334
1735	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1736		2336
1737	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2338	instantiated unique items. May block.
1739		2339
1740	=cut	2340	=cut
1741		2341
1742	sub unique_maps() {	2342	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2343	[
1744	or return;	2344	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2345	utf8::decode $_;
1750	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2348	? ()
1753	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2351	]
1755
1756	\@paths
1757	}	2352	}
1758
1759	package cf;
1760		2353
1761	=back	2354	=back
1762		2355
1763	=head3 cf::object	2356	=head3 cf::object
1764		2357
…		…
1768		2361
1769	=over 4	2362	=over 4
1770		2363
1771	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1772		2365
1773	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1774		2368
1775	=cut	2369	=cut
1776		2370
1777	sub inv_recursive_;	2371	sub inv_recursive_;
1778	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1781		2375
1782	sub inv_recursive {	2376	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1784	}	2378	}
1785		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1786	package cf;	2408	package cf;
1787		2409
1788	=back	2410	=back
1789		2411
1790	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	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	2419	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1799		2421
1800	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1801		2437
1802	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2439	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1807		2443
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2445
1810	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1812	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1815	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1816	}	2471	}
1817		2472
1818	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1819		2474
1820	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1833		2488
1834	=item $player_object->enter_link	2489	=item $player_object->enter_link
1835		2490
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2492
1838	The player should be reasonably safe there for short amounts of time. You	2493	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.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1840		2497
1841	Will never block.	2498	Will never block.
1842		2499
1843	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1844		2501
…		…
1862	}	2519	}
1863		2520
1864	sub cf::object::player::enter_link {	2521	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2522	my ($self) = @_;
1866		2523
		2524	$self->deactivate_recursive;
		2525
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2527
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1871		2530
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2532	}
1874		2533
1875	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1877		2538
1878	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1879		2540
1880	unless ($map) {	2541	unless ($map) {
1881	# restore original map position	2542	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1898		2559
1899	$map->load;	2560	$map->load;
1900	$map->load_diag;	2561	$map->load_neighbours;
1901		2562
1902	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1903	$self->activate_recursive;	2565	$self->activate_recursive;
1904		2566
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1907	}	2569	}
1908		2570
1909	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2572
1913	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1917	};	2577	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2578
1923	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1924	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940		2581
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1944		2585
1945	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2591
1948	$self->enter_link;	2592	$self->enter_link;
1949		2593
1950	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1951	my $map = eval {	2616	my $map = eval {
1952	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
		2621	$map = $check->($map) if $check && $map;
		2622	} else {
		2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
		2625
1954	$map	2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2632	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1959	})->prio (1);	2640	})->prio (1);
1960	}	2641	}
1961		2642
1962	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1963		2644
…		…
1983	}	2664	}
1984		2665
1985	sub prepare_random_map {	2666	sub prepare_random_map {
1986	my ($exit) = @_;	2667	my ($exit) = @_;
1987		2668
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2671	# that depends on the exit object
1993		2672
1994	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2675	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2001	}	2682	}
2002		2683
2003	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2004		2685
2005	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2008		2689
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2692	undef $fh;
2012	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2013		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2016	}	2701	}
2017	}	2702	}
2018		2703
2019	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2021		2706
2022	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2023		2708
2024	if ($exit->slaying eq "/!") {
2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
2026	# the problem is that $exit might not survive long enough
2027	# so it needs to be done right now, right here
2028	cf::sync_job { prepare_random_map $exit };
2029	}
2030
2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;
2034
2035	$self->enter_link;	2709	$self->enter_link;
2036		2710
2037	(async {	2711	(async {
2038	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2039	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2040	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2041		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2042	1;	2735	1
2043	}) {	2736	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2046	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2741
2049	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2068		2761
2069	utf8::encode $text;	2762	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2764	}
2072		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
2073	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2074		2918
2075	Sends an exti event to the client.	2919	Sends an ext event to the client.
2076		2920
2077	=cut	2921	=cut
2078		2922
2079	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2081		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2084	}	2950	}
2085		2951
2086	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2087		2953
2088	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2957
2092	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2959	become reliable at some point in the future.
2094		2960
2095	=cut	2961	=cut
2096		2962
2097	sub cf::client::query {	2963	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2972	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2974
2109	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2111	}	2979	}
2112		2980
2113	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2114	on_reply => sub {	2987	on_reply => sub {
2115	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2116		2989
2117	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2118	# get handled first	2991	# get handled first
…		…
2130	} else {	3003	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	3005	}
2133	}	3006	}
2134	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2135	);	3034	);
2136		3035
2137	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2138		3037
2139	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2182		3081
2183	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2184		3083
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2186		3089
2187	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2188		3091
2189	=pod	3092	=pod
2190		3093
2191	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2192		3095
2193	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2194	cf::object::player player	3100	cf::object::player
2195	cf::player peaceful	3101	player
2196	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2197		3108
2198	=cut	3109	=cut
2199		3110
2200	for (	3111	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2202	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2205	) {	3118	) {
2206	no strict 'refs';	3119	no strict 'refs';
…		…
2277	=back	3190	=back
2278		3191
2279	=cut	3192	=cut
2280		3193
2281	#############################################################################	3194	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	3195	# the server's init and main functions
2456		3196
2457	sub load_facedata($) {	3197	sub load_facedata($) {
2458	my ($path) = @_;	3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		3205
2460	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2461		3207
2462	my $facedata;	3208	my $facedata;
2463	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2467		3213
2468	$facedata->{version} == 2	3214	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2471	{	3224	{
2472	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2473		3226
2474	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3234
		3235	cf::cede_to_tick;
2480	}	3236	}
2481		3237
2482	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2484	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2485	or next;	3242	or next;
		3243
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3247	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3249	}
2491	Coro::cede;	3250
		3251	cf::cede_to_tick;
2492	}	3252	}
2493	}	3253	}
2494		3254
2495	{	3255	{
2496	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2497		3257
2498	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3260	cf::cede_to_tick;
2501	}	3261	}
2502		3262
2503	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2504	}	3264	}
2505		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2506	1	3301	1
2507	}	3302	}
2508		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2509	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2510	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
2512	}	3354	}
2513		3355
2514	sub reload_facedata {	3356	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3357	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3358	or die "unable to load facedata\n";
…		…
2527	}	3369	}
2528		3370
2529	sub reload_resources {	3371	sub reload_resources {
2530	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2531		3373
2532	reload_regions;
2533	reload_facedata;	3374	reload_facedata;
2534	reload_archetypes;	3375	reload_archetypes;
		3376	reload_regions;
2535	reload_treasures;	3377	reload_treasures;
2536		3378
2537	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2538	}	3380	}
2539		3381
2540	sub init {	3382	sub reload_config {
2541	reload_resources;
2542	}
2543
2544	sub cfg_load {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3384	or return;
2547		3385
2548	local $/;	3386	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2550		3388
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2552		3390
2553	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2554	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2560	};	3398	};
2561	warn $@ if $@;	3399	warn $@ if $@;
2562	}	3400	}
2563	}	3401	}
2564		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2565	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2566	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3441	(async {
2570	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2572	};	3445	};
2573		3446
2574	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2575	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2576	load_extensions;	3465	load_extensions;
2577		3466
2578	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2579	Event::loop;	3475	EV::loop;
2580	}	3476	}
2581		3477
2582	#############################################################################	3478	#############################################################################
2583	# initialisation and cleanup	3479	# initialisation and cleanup
2584		3480
2585	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2586	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2595	},
2596	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2597	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2598	}	3575	}
2599		3576
2600	sub emergency_save() {	3577	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2602		3579
2603	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2604		3581
2605	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2606	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2607	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2608	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2610	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3596	$pl->save;
2614	}	3597	}
2615	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2616		3599
2617	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2618	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2619	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2620	$map->valid or next;	3603	$map->valid or next;
2621	$map->save;	3604	$map->save;
2622	}	3605	}
2623	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2624		3607
2625	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2628	};	3615	};
2629		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2630	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2631	}	3623	}
2632		3624
2633	sub post_cleanup {	3625	sub post_cleanup {
2634	my ($make_core) = @_;	3626	my ($make_core) = @_;
2635		3627
2636	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
2638	}	3659	}
2639		3660
2640	sub do_reload_perl() {	3661	sub do_reload_perl() {
2641	# can/must only be called in main	3662	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2643	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2644	return;	3665	return;
2645	}	3666	}
2646		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2647	warn "reloading...";	3673	warn "reloading...";
2648		3674
2649	warn "entering sync_job";	3675	warn "entering sync_job";
2650		3676
2651	cf::sync_job {	3677	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2653	cf::emergency_save;	3679	cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2655		3681
2656	warn "syncing database to disk";	3682	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2658		3684
2659	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2660		3686
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2667	for (;;) {
2668	BDB::flush;
2669	IO::AIO::flush;
2670	Coro::cede;
2671	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2672	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2673	}
2674
2675	++$RELOAD;
2676
2677	warn "cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();
2680
2681	warn "removing commands";
2682	%COMMAND = ();
2683
2684	warn "removing ext commands";
2685	%EXTCMD = ();
2686
2687	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";
2690
2691	if (my $cb = $pkg->can ("unload")) {
2692	eval {
2693	$cb->($pkg);
2694	1
2695	} or warn "$pkg unloaded, but with errors: $@";
2696	}	3690	}
2697		3691
2698	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2699	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2700	}	3694	%EXT_CORO = ();
2701		3695
2702	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2703	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2706	warn "... unloading $k";	3705	warn "... unloading $pkg";
2707	delete $INC{$k};
2708		3706
2709	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;
2711
2712	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2713	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2714	}	3716	}
2715		3717
2716	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2717	}	3733	}
2718		3734
2719	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722		3738
2723	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
2726		3742
2727	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2728	# and global variables created in xs	3744	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2730		3746
2731	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2732		3748
2733	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2734	require cf;	3750	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3752
2737	warn "loading config and database again";	3753	warn "loading config and database again";
2738	cf::cfg_load;	3754	cf::reload_config;
2739		3755
2740	warn "loading extensions";	3756	warn "loading extensions";
2741	cf::load_extensions;	3757	cf::load_extensions;
2742		3758
		3759	if ($REATTACH_ON_RELOAD) {
2743	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2746	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
2749		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
2750	warn "leaving sync_job";	3771	warn "leaving sync_job";
2751		3772
2752	1	3773	1
2753	} or do {	3774	} or do {
2754	warn $@;	3775	warn $@;
2755	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2756	exit 1;
2757	};	3777	};
2758		3778
2759	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
2760	};	3785	};
2761		3786
2762	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
2763		3788
2764	sub reload_perl() {	3789	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
2767		3792
2768	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
2769	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
2770	after => 0,	3795
2771	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2772	cb => sub {
2773	do_reload_perl;	3797	do_reload_perl;
2774	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
2775	},	3799	};
2776	);	3800	};
2777	}	3801	}
2778		3802
2779	register_command "reload" => sub {	3803	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2781		3805
2782	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3810	reload_perl;
		3811	};
2785	}	3812	}
2786	};	3813	};
2787		3814
2788	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2789		3816
…		…
2791		3818
2792	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
2794		3821
2795	sub wait_for_tick {	3822	sub wait_for_tick {
2796	return unless $TICK_WATCHER->is_active;
2797	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2798		3824
2799	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
2800	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;	3827	$signal->wait;
2802	}	3828	}
2803		3829
2804	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
2805	return unless $TICK_WATCHER->is_active;
2806	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
2807		3832
2808	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3835	$signal->wait;
2811	}	3836	}
2812		3837
2813	$TICK_WATCHER = Event->timer (	3838	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2823	return;	3842	return;
2824	}	3843	}
2825		3844
2826	$NOW = Event::time;
2827
2828	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2829		3846
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	3849	Coro::async_pool {
		3850	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3851	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2838	};
2839	}	3853	};
		3854	}
2840		3855
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	3857	$sig->send;
2852	}	3858	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;	3860	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	3861	}
2859	);	3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
2860		3874
2861	{	3875	{
2862	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	3877
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2872		3879	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		3881
2888	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		3889
2891	cf::sync_job {	3890	cf::sync_job {
2892	eval {	3891	eval {
2893	BDB::db_env_open	3892	BDB::db_env_open
2894	$DB_ENV,	3893	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3897	0666;
2899		3898
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3900	};
2905		3901
2906	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3903	};
2908	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2909	}	3915	}
2910		3916
2911	{	3917	{
		3918	# configure IO::AIO
		3919
2912	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	3923	}
2918	data => WF_AUTOCANCEL,	3924
2919	fd => IO::AIO::poll_fileno,	3925	my $_log_backtrace;
2920	poll => 'r',	3926
2921	prio => 6,	3927	sub _log_backtrace {
2922	cb => \&IO::AIO::poll_cb,	3928	my ($msg, @addr) = @_;
2923	);	3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
2924	}	3965	}
2925		3966
2926	# load additional modules	3967	# load additional modules
2927	use cf::pod;	3968	use cf::pod;
2928		3969

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