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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
95	binmode STDOUT;	145	binmode STDOUT;
96	binmode STDERR;	146	binmode STDERR;
97		147
98	# read virtual server time, if available	148	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
103	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
104		156
105	mkdir $_	157	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		159
108	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
139		191
140	=item $cf::TICK	192	=item $cf::TICK
141		193
142	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
143		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
144	=item %cf::CFG	206	=item %cf::CFG
145		207
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	209	from wherever your confdir points to.
148		210
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		212
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	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	214	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.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
155	=back	223	=back
156		224
157	=cut	225	=cut
158		226
159	BEGIN {	227	BEGIN {
…		…
163	$msg .= "\n"	231	$msg .= "\n"
164	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
165		233
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		235
168	utf8::encode $msg;
169	LOG llevError, $msg;	236	LOG llevError, $msg;
170	};	237	};
171	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
172		254
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		262
180	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	264	# within the Safe compartment.
182	for my $pkg (qw(	265	for my $pkg (qw(
183	cf::global cf::attachable	266	cf::global cf::attachable
184	cf::object cf::object::player	267	cf::object cf::object::player
185	cf::client cf::player	268	cf::client cf::player
186	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
187	cf::map cf::party cf::region	271	cf::party cf::region
188	)) {	272	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	274	}
192		275
193	$Event::DIED = sub {	276	$EV::DIED = sub {
194	warn "error in event callback: @_";	277	warn "error in event callback: @_";
195	};	278	};
		279
		280	#############################################################################
196		281
197	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
198		283
199	=over 4	284	=over 4
200		285
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	305	$d
221	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
222	}	307	}
223		308
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
227		310
228	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
229		312
230	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
231		314
232	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
233		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
234	=item cf::lock_wait $string	338	=item cf::lock_wait $string
235		339
236	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
237		341
238	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
239		343
240	Wait until the given lock is available and then acquires it and returns	344	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,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
243	returned.	347	returned.
244		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
245	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
247		354
248	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
249		356
250	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
251		358
252	=cut	359	=cut
253		360
254	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
255		362
256	sub lock_wait($) {	363	sub lock_wait($) {
257	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	365	}
265		366
266	sub lock_acquire($) {	367	sub lock_acquire($) {
267	my ($key) = @_;	368	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	369	}
279		370
280	sub lock_active($) {	371	sub lock_active($) {
281	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	373	}
285		374
286	sub freeze_mainloop {	375	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
288		377
289	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
291	};	439	}
292	$TICK_WATCHER->stop;	440	};
293	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
294	}	454	}
295		455
296	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
297		457
298	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		463
304	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
305		465
306	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
307		467
308	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
311		472
312	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
315	fast or be very important.	476	fast or be very important.
…		…
318		479
319	sub sync_job(&) {	480	sub sync_job(&) {
320	my ($job) = @_;	481	my ($job) = @_;
321		482
322	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
323	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
325		488
326	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	490
328	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
329		492
330	my $busy = 1;	493	my $busy = 1;
331	my @res;	494	my @res;
332		495
333	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	498	@res = eval { $job->() };
335	warn $@ if $@;	499	warn $@ if $@;
336	undef $busy;	500	undef $busy;
337	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
338		502
339	while ($busy) {	503	while ($busy) {
340	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
341	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
342		514
343	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
344	} else {	516	} else {
345	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
346		518
…		…
366	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
367		539
368	$coro	540	$coro
369	}	541	}
370		542
371	sub write_runtime {	543	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		544
374	my $runtime = "$LOCALDIR/runtime";	545	Executes the given code block with the given arguments in a seperate
		546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
375		549
376	warn "starting to write runtime...\n";#d#	550	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		551
380	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		554
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
385	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
386		558
387	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	560	reset_signals;
389	and return;	561	&$cb
		562	}, @args;
390		563
391	close $fh	564	wantarray ? @res : $res[-1]
392	or return;	565	}
393		566
394	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
395	and return;
396		568
397	warn "... done writing runtime.\n";#d#	569	=cut
398		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
399	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
400	}	719	}
401		720
402	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
403		722
404	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
416		735
417	#############################################################################	736	#############################################################################
418		737
419	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
420		739
421	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
422	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
424		743
425	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	746	Deliantra).
428		747
429	=over 4	748	=over 4
430		749
431	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
432		751
…		…
476	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
477		796
478	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
480		799
481	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
482	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
483		802
484	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
485		804
486	=over 4	805	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
596		915
597	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		920
602	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	922	my $pkg = shift @arg;
604		923
605	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
635	}	954	}
636		955
637	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
638	} else {	957	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	959	}
641		960
642	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
643	}	962	}
644		963
…		…
646	if (ref $_[0]) {	965	if (ref $_[0]) {
647	_object_attach @_;	966	_object_attach @_;
648	} else {	967	} else {
649	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
650	}	969	}
		970	_recalc_want;
651	};	971	};
652		972
653	# all those should be optimised	973	# all those should be optimised
654	sub cf::attachable::detach {	974	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
659	reattach ($obj);	979	reattach ($obj);
660	} else {	980	} else {
661	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
662	}	982	}
		983	_recalc_want;
663	};	984	};
664		985
665	sub cf::attachable::attached {	986	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
667		988
…		…
682	";	1003	";
683	die if $@;	1004	die if $@;
684	}	1005	}
685		1006
686	our $override;	1007	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		1009
689	sub override {	1010	sub override {
690	$override = 1;	1011	$override = 1;
691	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
692	}	1013	}
693		1014
694	sub do_invoke {	1015	sub do_invoke {
695	my $event = shift;	1016	my $event = shift;
696	my $callbacks = shift;	1017	my $callbacks = shift;
697		1018
698	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
699		1020
700	local $override;	1021	local $override;
701		1022
702	for (@$callbacks) {	1023	for (@$callbacks) {
703	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
712	}	1033	}
713		1034
714	0	1035	0
715	}	1036	}
716		1037
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1039
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1041
721	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
722		1043
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1047
727	=back	1048	=back
728		1049
729	=cut	1050	=cut
730		1051
731	#############################################################################	1052	#############################################################################
732	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
733		1096
734	sub reattach {	1097	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1099	my ($obj) = @_;
737		1100
		1101	# no longer needed after getting rid of delete_package?
738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
739		1103
740	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
741		1105
742	@$registry = ();	1106	@$registry = ();
743		1107
…		…
758	cf::attachable->attach (	1122	cf::attachable->attach (
759	prio => -1000000,	1123	prio => -1000000,
760	on_instantiate => sub {	1124	on_instantiate => sub {
761	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
762		1126
763	$data = from_json $data;	1127	$data = decode_json $data;
764		1128
765	for (@$data) {	1129	for (@$data) {
766	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
767		1131
768	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1148	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
786		1150
787	sync_job {	1151	sync_job {
788	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
791		1156
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
796	close $fh;	1164	aio_close $fh;
797		1165
798	if (@$objs) {	1166	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
804	close $fh;	1175	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
806	}	1177	}
807	} else {	1178	} else {
808	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
809	}	1180	}
810		1181
811	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1186	} else {
813	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
814	}	1188	}
815	} else {	1189	} else {
816	aio_unlink $filename;	1190	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
818	}	1192	}
819	}	1193	};
820	}	1194	}
821		1195
822	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
824		1198
…		…
836	or return;	1210	or return;
837		1211
838	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
840	or return;	1214	or return;
		1215
841	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
842	}	1218	}
843		1219
		1220	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
846	return ($data, $av);	1224	($data, $av)
847	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
848		1232
849	#############################################################################	1233	#############################################################################
850	# command handling &c	1234	# command handling &c
851		1235
852	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1250	}
867		1251
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1253
870	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
871		1259
872	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
873	called.	1261	called.
874		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
875	=cut	1274	=cut
876		1275
877	sub register_extcmd {	1276	sub register_extcmd {
878	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
879		1278
880	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
881	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
882		1289
883	cf::player->attach (	1290	cf::player->attach (
884	on_command => sub {	1291	on_command => sub {
885	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
886		1293
…		…
894	cf::override;	1301	cf::override;
895	},	1302	},
896	on_extcmd => sub {	1303	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
898		1305
899	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1307
901	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
907	} else {	1323	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1325	}
910		1326
911	cf::override;	1327	cf::override;
912	},	1328	},
913	);	1329	);
914		1330
		1331	# "readahead" all extensions
915	sub load_extension {	1332	sub cache_extensions {
916	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
917		1334
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1338	}
943	die $@;
944	}	1339	};
945		1340
946	push @EXTS, $pkg;	1341	$grp
947	}	1342	}
948		1343
949	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
950	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1349	next unless -r $path;
952	eval {	1350
953	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
954	1	1407	}
955	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
956	}	1413	};
957	}	1414	}
958		1415
959	#############################################################################	1416	#############################################################################
960		1417
		1418	=back
		1419
961	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
962		1421
963	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
964		1423
965	=cut	1424	=cut
966		1425
967	package cf::player;	1426	package cf::player;
968		1427
969	use Coro::AIO;	1428	use Coro::AIO;
970		1429
971	=head3 cf::player	1430	=head3 cf::player
972		1431
973	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
974		1447
975	=item cf::player::find $login	1448	=item cf::player::find $login
976		1449
977	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
978		1451
…		…
997		1470
998	sub exists($) {	1471	sub exists($) {
999	my ($login) = @_;	1472	my ($login) = @_;
1000		1473
1001	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1003	}	1476	}
1004		1477
1005	sub find($) {	1478	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1480	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1491
1019	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1022	}	1501	}
1023	}	1502	}
1024	}	1503	}
1025		1504
…		…
1034	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1035		1514
1036	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1038		1517
		1518	cf::get_slot 0.01;
		1519
1039	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1040	Coro::cede;	1521	cf::cede_to_tick;
1041	}	1522	}
1042		1523
1043	sub new($) {	1524	sub new($) {
1044	my ($login) = @_;	1525	my ($login) = @_;
1045		1526
…		…
1051	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1052		1533
1053	$self	1534	$self
1054	}	1535	}
1055		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1056	=item $pl->quit_character	1547	=item $pl->quit_character
1057		1548
1058	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1060		1551
…		…
1064	my ($pl) = @_;	1555	my ($pl) = @_;
1065		1556
1066	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1067		1558
1068	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1069	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1070		1561
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1075		1568
1076	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1606	or return [];
1114		1607
1115	my @logins;	1608	my @logins;
1116		1609
1117	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1121		1620
1122	utf8::decode $login;	1621	utf8::decode $login;
1123	push @logins, $login;	1622	push @logins, $login;
1124	}	1623	}
1125		1624
…		…
1152	}	1651	}
1153		1652
1154	\@paths	1653	\@paths
1155	}	1654	}
1156		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1157	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1158		1661
1159	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1160		1663
1161	=cut	1664	=cut
1162		1665
1163	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1165		1668
1166	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1670	}
1170		1671
1171	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1172		1673
1173	Sends an ext event to the client.	1674	Sends an ext event to the client.
1174		1675
1175	=cut	1676	=cut
1176		1677
1177	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1179		1680
1180	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1181	}	1682	}
1182		1683
1183	=head3 cf::region	1684	=head3 cf::region
1184		1685
1185	=over 4	1686	=over 4
…		…
1188		1689
1189	package cf::region;	1690	package cf::region;
1190		1691
1191	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1192		1693
1193	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1194		1695
1195	=cut	1696	=cut
1196		1697
1197	sub find_by_path($) {	1698	sub find_by_path($) {
1198	my ($path) = @_;	1699	my ($path) = @_;
1199		1700
1200	my ($match, $specificity);	1701	my ($match, $specificity);
1201		1702
1202	for my $region (list) {	1703	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1206	}	1707	}
1207	}	1708	}
1208		1709
…		…
1229	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1231		1732
1232	sub generate_random_map {	1733	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1234	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1739	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1273		1777
1274	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1275	local $self->{path};	1779	local $self->{path};
1276	local $self->{load_path};	1780	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1781
1280	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1281	}	1783	}
1282		1784
1283	sub normalise {	1785	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1331	return $self;	1833	return $self;
1332	}	1834	}
1333	}	1835	}
1334		1836
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1838	()
1337	}	1839	}
1338		1840
1339	sub init {	1841	sub init {
1340	my ($self) = @_;	1842	my ($self) = @_;
…		…
1362		1864
1363	# the temporary/swap location	1865	# the temporary/swap location
1364	sub save_path {	1866	sub save_path {
1365	my ($self) = @_;	1867	my ($self) = @_;
1366		1868
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1369	}	1871	}
1370		1872
1371	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1372	sub uniq_path {	1874	sub uniq_path {
1373	my ($self) = @_;	1875	my ($self) = @_;
1374		1876
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1377	}	1879	}
1378		1880
1379	# and all this just because we cannot iterate over	1881	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1882	my ($self) = @_;
1383		1883
1384	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1386	}	1887	}
1387		1888
1388	sub unlink_save {	1889	sub unlink_save {
1389	my ($self) = @_;	1890	my ($self) = @_;
1390		1891
…		…
1395		1896
1396	sub load_header_from($) {	1897	sub load_header_from($) {
1397	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1398		1899
1399	utf8::encode $path;	1900	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1405		1909
1406	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1407		1911
1408	1	1912	1
1409	}	1913	}
…		…
1448	$self->load_header_orig	1952	$self->load_header_orig
1449	or return;	1953	or return;
1450	$self->prepare_orig;	1954	$self->prepare_orig;
1451	}	1955	}
1452		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1453	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1961	unless $self->default_region;
1455		1962
1456	1	1963	1
1457	}	1964	}
…		…
1460	sub find {	1967	sub find {
1461	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1462		1969
1463	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1464		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1466		1974
1467	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1470	or return;	1977	or return;
1471		1978
1472	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1473		1980
1474	$map->load_header	1981	$map->load_header
1475	or return;	1982	or return;
1476		1983
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1480	$map->reset;	1989	$map->reset;
1481	undef $guard;
1482	return find $path;	1990	return find $path;
1483	}	1991	}
1484		1992
1485	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1486	}	1994	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1496		2004
1497	my $path = $self->{path};	2005	my $path = $self->{path};
1498		2006
1499	{	2007	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1501		2009
		2010	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2012
1504	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1505		2014
1506	$self->alloc;	2015	$self->alloc;
1507		2016
1508	$self->pre_load;	2017	$self->pre_load;
1509	Coro::cede;	2018	cf::cede_to_tick;
1510		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1512	or return;	2023	or return;
1513		2024
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1515	if delete $self->{load_original};	2026	if delete $self->{load_original};
1516		2027
1517	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2029	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2032	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1522	}	2036	}
1523	}	2037	}
1524		2038
1525	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1526	# now do the right thing for maps	2042	# now do the right thing for maps
1527	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2045	unless $self->difficulty;
1530	Coro::cede;	2046	cf::cede_to_tick;
1531		2047
1532	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2049	$self->decay_objects;
1534	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1535	$self->update_buttons;	2051	$self->update_buttons;
1536	Coro::cede;	2052	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2053	$self->activate;
1540	}	2054	}
1541		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2060	}
1544		2061
1545	$self->post_load;	2062	$self->post_load;
1546	}	2063	}
1547		2064
…		…
1549	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1550		2067
1551	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2069	if $self->per_player;
1553		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1554	$self	2074	$self
1555	}	2075	}
1556		2076
1557	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2078	sub load_neighbours {
1559	my ($map) = @_;	2079	my ($map) = @_;
1560		2080
1561	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1562		2082
1563	for (0 .. 3) {	2083	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1565	or next;	2085	or next;
1566	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1567	or next;	2087	or next;
1568	$neigh->load;	2088	$neigh->load;
1569		2089
		2090	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2093	}
1573		2094
1574	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1576	or next;	2098	or next;
1577	$neigh->load;	2099	$neigh->load;
1578	}	2100	}
1579	}	2101	}
1580		2102
…		…
1585	}	2107	}
1586		2108
1587	sub do_load_sync {	2109	sub do_load_sync {
1588	my ($map) = @_;	2110	my ($map) = @_;
1589		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1590	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1591	}	2116	}
1592		2117
1593	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1595		2120
1596	sub find_async {	2121	sub find_async {
1597	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1598		2123
1599	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1600		2125
1601	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2128	}
1604		2129
1605	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1606	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1607	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2137	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2138	$map->load if $v;
		2139	}
1612		2140
1613	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1614	}	2142	}
1615	}	2143	}
1616	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1617	};	2145	};
1618	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2149	}
1622		2150
1623	sub save {	2151	sub save {
1624	my ($self) = @_;	2152	my ($self) = @_;
1625		2153
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2155
1628	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1629		2157
1630	return unless $self->dirty;	2158	return unless $self->dirty;
1631		2159
…		…
1637	return if $self->{deny_save};	2165	return if $self->{deny_save};
1638		2166
1639	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1640		2168
1641	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1643	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1644		2175
1645	if ($uniq) {	2176	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2179	} else {
…		…
1654	my ($self) = @_;	2185	my ($self) = @_;
1655		2186
1656	# save first because save cedes	2187	# save first because save cedes
1657	$self->save;	2188	$self->save;
1658		2189
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2191
1661	return if $self->players;	2192	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2194	return if $self->{deny_save};
1664		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2200	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2201	}
1668		2202
1669	sub reset_at {	2203	sub reset_at {
1670	my ($self) = @_;	2204	my ($self) = @_;
1671		2205
1672	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1675		2208
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2211
…		…
1689	my ($self) = @_;	2222	my ($self) = @_;
1690		2223
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2225
1693	return if $self->players;	2226	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2227
1696	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1697		2229
1698	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1699		2231
1700	# need to save uniques path	2232	# need to save uniques path
1701	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2237	if $uniq;
1706	}	2238	}
1707		2239
1708	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1709		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2244	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2245
1714	$self->unlink_save;	2246	$self->unlink_save;
1715	$self->destroy;	2247	$self->destroy;
1716	}	2248	}
1717		2249
1718	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1719		2251
1720	sub nuke {	2252	sub nuke {
1721	my ($self) = @_;	2253	my ($self) = @_;
1722		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1723	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1724		2259
1725	$self->unlink_save;	2260	$self->unlink_save;
1726		2261
1727	bless $self, "cf::map";	2262	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2267
1733	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1734		2270
1735	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1736	}	2308	}
1737		2309
1738	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1739		2311
1740	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2313	instantiated unique items. May block.
1742		2314
1743	=cut	2315	=cut
1744		2316
1745	sub unique_maps() {	2317	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2318	[
1747	or return;	2319	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2320	utf8::decode $_;
1753	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2323	? ()
1756	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2326	]
1758
1759	\@paths
1760	}	2327	}
1761
1762	package cf;
1763		2328
1764	=back	2329	=back
1765		2330
1766	=head3 cf::object	2331	=head3 cf::object
1767		2332
…		…
1771		2336
1772	=over 4	2337	=over 4
1773		2338
1774	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1775		2340
1776	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1777		2343
1778	=cut	2344	=cut
1779		2345
1780	sub inv_recursive_;	2346	sub inv_recursive_;
1781	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1784		2350
1785	sub inv_recursive {	2351	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1787	}	2353	}
1788		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1789	package cf;	2383	package cf;
1790		2384
1791	=back	2385	=back
1792		2386
1793	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1802		2396
1803	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1804		2412
1805	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2414	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1810		2418
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2420
1813	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1815	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1818	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1819	}	2446	}
1820		2447
1821	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1822		2449
1823	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1836		2463
1837	=item $player_object->enter_link	2464	=item $player_object->enter_link
1838		2465
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2467
1841	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1843		2472
1844	Will never block.	2473	Will never block.
1845		2474
1846	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1847		2476
…		…
1870	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1871		2500
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2502
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1876		2505
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2507	}
1879		2508
1880	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1882		2513
1883	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1884		2515
1885	unless ($map) {	2516	unless ($map) {
1886	# restore original map position	2517	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1903		2534
1904	$map->load;	2535	$map->load;
1905	$map->load_diag;	2536	$map->load_neighbours;
1906		2537
1907	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1908	$self->activate_recursive;	2540	$self->activate_recursive;
1909		2541
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1912	}	2544	}
1913		2545
1914	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2547
1918	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1922	};	2552	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2553
1928	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1929	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2556
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1949		2560
1950	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2566
1953	$self->enter_link;	2567	$self->enter_link;
1954		2568
1955	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1956	my $map = eval {	2591	my $map = eval {
1957	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1959	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2607	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1964	})->prio (1);	2615	})->prio (1);
1965	}	2616	}
1966		2617
1967	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1968		2619
…		…
1988	}	2639	}
1989		2640
1990	sub prepare_random_map {	2641	sub prepare_random_map {
1991	my ($exit) = @_;	2642	my ($exit) = @_;
1992		2643
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2646	# that depends on the exit object
1998		2647
1999	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2650	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2006	}	2657	}
2007		2658
2008	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2009		2660
2010	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2013		2664
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2667	undef $fh;
2017	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2018		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2021	}	2676	}
2022	}	2677	}
2023		2678
2024	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2026		2681
2027	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2028		2683
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2684	$self->enter_link;
2041		2685
2042	(async {	2686	(async {
2043	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2044	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2045	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2046		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2047	1;	2710	1
2048	}) {	2711	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2716
2054	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2073		2736
2074	utf8::encode $text;	2737	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2739	}
2077		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2078	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2079		2902
2080	Sends an exti event to the client.	2903	Sends an ext event to the client.
2081		2904
2082	=cut	2905	=cut
2083		2906
2084	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2086		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2089	}	2934	}
2090		2935
2091	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2092		2937
2093	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2941
2097	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2943	become reliable at some point in the future.
2099		2944
2100	=cut	2945	=cut
2101		2946
2102	sub cf::client::query {	2947	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2956	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2958
2114	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2116	}	2963	}
2117		2964
2118	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2119	on_reply => sub {	2971	on_reply => sub {
2120	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2121		2973
2122	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2123	# get handled first	2975	# get handled first
…		…
2135	} else {	2987	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2989	}
2138	}	2990	}
2139	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2140	);	3018	);
2141		3019
2142	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2143		3021
2144	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2187		3065
2188	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2189		3067
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2191		3073
2192	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2193		3075
2194	=pod	3076	=pod
2195		3077
2196	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2197		3079
2198	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2199	cf::object::player player	3085	cf::object::player
2200	cf::player peaceful	3086	player
2201	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2202		3093
2203	=cut	3094	=cut
2204		3095
2205	for (	3096	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2210	) {	3103	) {
2211	no strict 'refs';	3104	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2230	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2231		3124
2232	my $qcode = $code;	3125	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2235		3130
2236	local $_;	3131	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2238		3133
2239	my $eval =	3134	my $eval =
…		…
2282	=back	3177	=back
2283		3178
2284	=cut	3179	=cut
2285		3180
2286	#############################################################################	3181	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3182	# the server's init and main functions
2462		3183
2463	sub load_facedata($) {	3184	sub load_facedata($) {
2464	my ($path) = @_;	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3192
2466	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2467		3194
2468	my $facedata;	3195	my $facedata;
2469	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2473		3200
2474	$facedata->{version} == 2	3201	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2477	{	3211	{
2478	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2479		3213
2480	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3221
		3222	cf::cede_to_tick;
2486	}	3223	}
2487		3224
2488	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2490	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2491	or next;	3229	or next;
		3230
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3234	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3236	}
2497	Coro::cede;	3237
		3238	cf::cede_to_tick;
2498	}	3239	}
2499	}	3240	}
2500		3241
2501	{	3242	{
2502	my $anims = $facedata->{animinfo};	3243	my $anims = $facedata->{animinfo};
2503		3244
2504	while (my ($anim, $info) = each %$anims) {	3245	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3247	cf::cede_to_tick;
2507	}	3248	}
2508		3249
2509	cf::anim::invalidate_all; # d'oh	3250	cf::anim::invalidate_all; # d'oh
2510	}	3251	}
2511		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2512	1	3288	1
2513	}	3289	}
2514		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
2515	sub reload_regions {	3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
2516	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
2518	}	3341	}
2519		3342
2520	sub reload_facedata {	3343	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3344	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3345	or die "unable to load facedata\n";
…		…
2533	}	3356	}
2534		3357
2535	sub reload_resources {	3358	sub reload_resources {
2536	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2537		3360
2538	reload_regions;
2539	reload_facedata;	3361	reload_facedata;
2540	reload_archetypes;	3362	reload_archetypes;
		3363	reload_regions;
2541	reload_treasures;	3364	reload_treasures;
2542		3365
2543	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2544	}	3367	}
2545		3368
2546	sub init {	3369	sub reload_config {
2547	reload_resources;
2548	}
2549
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3371	or return;
2553		3372
2554	local $/;	3373	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2556		3375
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3377
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2566	};	3385	};
2567	warn $@ if $@;	3386	warn $@ if $@;
2568	}	3387	}
2569	}	3388	}
2570		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2571	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2572	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3436	(async {
2576	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2578	};	3440	};
2579		3441
2580	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2581	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2582	load_extensions;	3460	load_extensions;
2583		3461
2584	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2586	}	3471	}
2587		3472
2588	#############################################################################	3473	#############################################################################
2589	# initialisation and cleanup	3474	# initialisation and cleanup
2590		3475
2591	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2592	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2601	},
2602	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2603	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2604	}	3570	}
2605		3571
2606	sub emergency_save() {	3572	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2608		3574
2609	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2610		3576
2611	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2612	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3591	$pl->save;
2620	}	3592	}
2621	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2622		3594
2623	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3598	$map->valid or next;
2627	$map->save;	3599	$map->save;
2628	}	3600	}
2629	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2630		3602
2631	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2634	};	3610	};
2635		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2636	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2637	}	3618	}
2638		3619
2639	sub post_cleanup {	3620	sub post_cleanup {
2640	my ($make_core) = @_;	3621	my ($make_core) = @_;
2641		3622
2642	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
2644	}	3654	}
2645		3655
2646	sub do_reload_perl() {	3656	sub do_reload_perl() {
2647	# can/must only be called in main	3657	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2649	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2650	return;	3660	return;
2651	}	3661	}
2652		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2653	warn "reloading...";	3668	warn "reloading...";
2654		3669
2655	warn "entering sync_job";	3670	warn "entering sync_job";
2656		3671
2657	cf::sync_job {	3672	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3674	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2661		3676
2662	warn "syncing database to disk";	3677	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3679
2665	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2666		3681
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3685	}
2703		3686
2704	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2706	}	3689	%EXT_CORO = ();
2707		3690
2708	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2709	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3700	warn "... unloading $pkg";
2713	delete $INC{$k};
2714		3701
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2719	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2720	}	3711	}
2721		3712
2722	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2723	}	3728	}
2724		3729
2725	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3733
2729	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3737
2733	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3739	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2736		3741
2737	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2738		3743
2739	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2740	require cf;	3745	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3747
2743	warn "loading config and database again";	3748	warn "loading config and database again";
2744	cf::cfg_load;	3749	cf::reload_config;
2745		3750
2746	warn "loading extensions";	3751	warn "loading extensions";
2747	cf::load_extensions;	3752	cf::load_extensions;
2748		3753
		3754	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2755		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
2756	warn "leaving sync_job";	3766	warn "leaving sync_job";
2757		3767
2758	1	3768	1
2759	} or do {	3769	} or do {
2760	warn $@;	3770	warn $@;
2761	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3772	};
2764		3773
2765	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
2766	};	3780	};
2767		3781
2768	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
2769		3783
2770	sub reload_perl() {	3784	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
2773		3787
2774	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3790
2777	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	3792	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
2781	},	3794	};
2782	);	3795	};
2783	}	3796	}
2784		3797
2785	register_command "reload" => sub {	3798	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2787		3800
2788	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3805	reload_perl;
		3806	};
2791	}	3807	}
2792	};	3808	};
2793		3809
2794	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2795		3811
…		…
2797		3813
2798	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
2800		3816
2801	sub wait_for_tick {	3817	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3819
2805	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3822	$signal->wait;
2808	}	3823	}
2809		3824
2810	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3827
2814	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3830	$signal->wait;
2817	}	3831	}
2818		3832
2819	$TICK_WATCHER = Event->timer (	3833	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2829	return;	3837	return;
2830	}	3838	}
2831		3839
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2835		3841
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3846	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3848	};
		3849	}
2846		3850
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3852	$sig->send;
2858	}	3853	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3855	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3856	}
2865	);	3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
2866		3869
2867	{	3870	{
2868	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3872
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2878		3874	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3876
2894	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3884
2897	cf::sync_job {	3885	cf::sync_job {
2898	eval {	3886	eval {
2899	BDB::db_env_open	3887	BDB::db_env_open
2900	$DB_ENV,	3888	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3892	0666;
2905		3893
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3895	};
2911		3896
2912	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3898	};
2914	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
2915	}	3910	}
2916		3911
2917	{	3912	{
		3913	# configure IO::AIO
		3914
2918	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3918	}
2931		3919
2932	my $_log_backtrace;	3920	my $_log_backtrace;
2933		3921
2934	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
2938		3926
2939	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
2942	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
2943	my @bt = fork_call {	3934	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
2955	}	3946	}
2956		3947
2957	@funcs	3948	@funcs
2958	};	3949	};
2959		3950
2960	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	3954	--$_log_backtrace;
2963	};	3955	};
2964	} else {	3956	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	3959	}
2968	}	3960	}
2969		3961
2970	# load additional modules	3962	# load additional modules
2971	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
2972		3964
2973	END { cf::emergency_save }	3965	END { cf::emergency_save }
2974		3966
2975	1	3967	1
2976		3968

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