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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		76
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		78
47	our %COMMAND = ();	79	our %COMMAND = ();
48	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
49		81
50	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
54		87
55	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	89	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		90
59	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	92	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	109	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	115	our $DB_ENV;
69		116
70	our %CFG;	117	our %CFG;
71		118
72	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
74		122
75	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		126
81	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
84	binmode STDOUT;	139	binmode STDOUT;
85	binmode STDERR;	140	binmode STDERR;
86		141
87	# read virtual server time, if available	142	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
92	}	147	}
93		148
94	mkdir cf::localdir;	149	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		151
101	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
102		153
103	sub cf::map::normalise;	154	sub cf::map::normalise;
104		155
…		…
115	=item $cf::RUNTIME	166	=item $cf::RUNTIME
116		167
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	169	every server tick.
119		170
120	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		174
122	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
124		179
125	=item $cf::NOW	180	=item $cf::NOW
126		181
127	The time of the last (current) server tick.	182	The time of the last (current) server tick.
128		183
129	=item $cf::TICK	184	=item $cf::TICK
130		185
131	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
132		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
133	=item %cf::CFG	198	=item %cf::CFG
134		199
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	201	from wherever your confdir points to.
137		202
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		204
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
144	=back	215	=back
145		216
146	=cut	217	=cut
147		218
148	BEGIN {	219	BEGIN {
149	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	221	my $msg = join "", @_;
151	utf8::encode $msg;
152		222
153	$msg .= "\n"	223	$msg .= "\n"
154	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
155		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
156	LOG llevError, $msg;	228	LOG llevError, $msg;
157	};	229	};
158	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
159		246
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		254
167	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	256	# within the Safe compartment.
169	for my $pkg (qw(	257	for my $pkg (qw(
170	cf::global cf::attachable	258	cf::global cf::attachable
171	cf::object cf::object::player	259	cf::object cf::object::player
172	cf::client cf::player	260	cf::client cf::player
173	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
174	cf::map cf::party cf::region	263	cf::party cf::region
175	)) {	264	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	266	}
179		267
180	$Event::DIED = sub {	268	$EV::DIED = sub {
181	warn "error in event callback: @_";	269	warn "error in event callback: @_";
182	};	270	};
		271
		272	#############################################################################
183		273
184	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
185		275
186	=over 4	276	=over 4
187		277
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	297	$d
208	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
209	}	299	}
210		300
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
214		302
215	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
216		304
217	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
218		306
219	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
220		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
221	=item cf::lock_wait $string	330	=item cf::lock_wait $string
222		331
223	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
224		333
225	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
226		335
227	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
230	returned.	339	returned.
231		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
232	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
234		346
235	=cut	347	=item $locked = cf::lock_active $string
236		348
237	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
238		354
239	sub lock_wait($) {	355	sub lock_wait($) {
240	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	357	}
248		358
249	sub lock_acquire($) {	359	sub lock_acquire($) {
250	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
251		362
252	# wait, to be sure we are not locked	363	sub lock_active($) {
253	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	365	}
262		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
268	};	431	}
269	$TICK_WATCHER->stop;	432	};
270	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		536
351	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
352		541
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
354	or return;
355		543
356	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
361	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
362		550
363	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	552	reset_signals;
365	and return;	553	&$cb
		554	}, @args;
366		555
367	close $fh	556	wantarray ? @res : $res[-1]
368	or return;	557	}
369		558
370	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
371	and return;
372		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
373	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
374	}	711	}
375		712
376	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
377		714
378	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		727
391	#############################################################################	728	#############################################################################
392		729
393	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
394		731
395	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
450	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
451		788
452	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
454		791
455	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
457		794
458	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
459		796
460	=over 4	797	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
784		1167
785	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1172	} else {
787	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
788	}	1174	}
789	} else {	1175	} else {
790	aio_unlink $filename;	1176	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
792	}	1178	}
793	}	1179	};
794	}	1180	}
795		1181
796	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
798		1184
…		…
810	or return;	1196	or return;
811		1197
812	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
814	or return;	1200	or return;
		1201
815	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
816	}	1204	}
817		1205
		1206	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
820	return ($data, $av);	1210	($data, $av)
821	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
822		1218
823	#############################################################################	1219	#############################################################################
824	# command handling &c	1220	# command handling &c
825		1221
826	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1236	}
841		1237
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1239
844	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
845		1245
846	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
847	called.	1247	called.
848		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
849	=cut	1260	=cut
850		1261
851	sub register_extcmd {	1262	sub register_extcmd {
852	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
853		1264
854	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
855	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
856		1275
857	cf::player->attach (	1276	cf::player->attach (
858	on_command => sub {	1277	on_command => sub {
859	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
860		1279
…		…
868	cf::override;	1287	cf::override;
869	},	1288	},
870	on_extcmd => sub {	1289	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
872		1291
873	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1293
875	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
881	} else {	1309	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1311	}
884		1312
885	cf::override;	1313	cf::override;
886	},	1314	},
887	);	1315	);
888		1316
		1317	# "readahead" all extensions
889	sub load_extension {	1318	sub cache_extensions {
890	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
891		1320
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1324	}
917	die $@;
918	}	1325	};
919		1326
920	push @EXTS, $pkg;	1327	$grp
921	}	1328	}
922		1329
923	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
924	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1335	next unless -r $path;
926	eval {	1336
927	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
928	1	1393	}
929	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
930	}	1399	};
931	}	1400	}
932		1401
933	#############################################################################	1402	#############################################################################
934		1403
		1404	=back
		1405
935	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
936		1407
937	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
938		1409
939	=cut	1410	=cut
940		1411
941	package cf::player;	1412	package cf::player;
942		1413
…		…
944		1415
945	=head3 cf::player	1416	=head3 cf::player
946		1417
947	=over 4	1418	=over 4
948		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
949	=item cf::player::find $login	1434	=item cf::player::find $login
950		1435
951	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
952		1437
953	=cut	1438	=cut
954		1439
955	sub playerdir($) {	1440	sub playerdir($) {
956	cf::localdir	1441	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1443	}
962		1444
963	sub path($) {	1445	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1456
975	sub exists($) {	1457	sub exists($) {
976	my ($login) = @_;	1458	my ($login) = @_;
977		1459
978	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
980	}	1462	}
981		1463
982	sub find($) {	1464	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1466	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
995		1477
996	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
997	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
999	}	1487	}
1000	}	1488	}
1001	}	1489	}
1002		1490
…		…
1011	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1012		1500
1013	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1015		1503
		1504	cf::get_slot 0.01;
		1505
1016	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1017	Coro::cede;	1507	cf::cede_to_tick;
1018	}	1508	}
1019		1509
1020	sub new($) {	1510	sub new($) {
1021	my ($login) = @_;	1511	my ($login) = @_;
1022		1512
…		…
1028	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1029		1519
1030	$self	1520	$self
1031	}	1521	}
1032		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1033	=item $pl->quit_character	1533	=item $pl->quit_character
1034		1534
1035	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1037		1537
…		…
1041	my ($pl) = @_;	1541	my ($pl) = @_;
1042		1542
1043	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1044		1544
1045	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1547
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1052		1554
1053	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1085		1587
1086	=cut	1588	=cut
1087		1589
1088	sub list_logins {	1590	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1592	or return [];
1091		1593
1092	my @logins;	1594	my @logins;
1093		1595
1094	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1098		1606
1099	utf8::decode $login;	1607	utf8::decode $login;
1100	push @logins, $login;	1608	push @logins, $login;
1101	}	1609	}
1102		1610
…		…
1129	}	1637	}
1130		1638
1131	\@paths	1639	\@paths
1132	}	1640	}
1133		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1134	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1135		1647
1136	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1137		1649
1138	=cut	1650	=cut
1139		1651
1140	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1142		1654
1143	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1656	}
1147		1657
1148	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1149		1659
1150	Sends an ext event to the client.	1660	Sends an ext event to the client.
1151		1661
1152	=cut	1662	=cut
1153		1663
1154	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1156		1666
1157	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1158	}	1668	}
1159		1669
1160	=head3 cf::region	1670	=head3 cf::region
1161		1671
1162	=over 4	1672	=over 4
…		…
1165		1675
1166	package cf::region;	1676	package cf::region;
1167		1677
1168	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1169		1679
1170	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1171		1681
1172	=cut	1682	=cut
1173		1683
1174	sub find_by_path($) {	1684	sub find_by_path($) {
1175	my ($path) = @_;	1685	my ($path) = @_;
1176		1686
1177	my ($match, $specificity);	1687	my ($match, $specificity);
1178		1688
1179	for my $region (list) {	1689	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1183	}	1693	}
1184	}	1694	}
1185		1695
…		…
1206	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1208		1718
1209	sub generate_random_map {	1719	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1211	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1725	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1250		1763
1251	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1252	local $self->{path};	1765	local $self->{path};
1253	local $self->{load_path};	1766	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1767
1257	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1258	}	1769	}
1259		1770
1260	sub normalise {	1771	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1308	return $self;	1819	return $self;
1309	}	1820	}
1310	}	1821	}
1311		1822
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1824	()
1314	}	1825	}
1315		1826
1316	sub init {	1827	sub init {
1317	my ($self) = @_;	1828	my ($self) = @_;
…		…
1332		1843
1333	# the original (read-only) location	1844	# the original (read-only) location
1334	sub load_path {	1845	sub load_path {
1335	my ($self) = @_;	1846	my ($self) = @_;
1336		1847
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1338	}	1849	}
1339		1850
1340	# the temporary/swap location	1851	# the temporary/swap location
1341	sub save_path {	1852	sub save_path {
1342	my ($self) = @_;	1853	my ($self) = @_;
1343		1854
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1346	}	1857	}
1347		1858
1348	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1349	sub uniq_path {	1860	sub uniq_path {
1350	my ($self) = @_;	1861	my ($self) = @_;
1351		1862
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1354	}	1865	}
1355		1866
1356	# and all this just because we cannot iterate over	1867	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1868	my ($self) = @_;
1360		1869
1361	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1363	}	1873	}
1364		1874
1365	sub unlink_save {	1875	sub unlink_save {
1366	my ($self) = @_;	1876	my ($self) = @_;
1367		1877
…		…
1372		1882
1373	sub load_header_from($) {	1883	sub load_header_from($) {
1374	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1375		1885
1376	utf8::encode $path;	1886	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1382		1895
1383	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1384		1897
1385	1	1898	1
1386	}	1899	}
…		…
1425	$self->load_header_orig	1938	$self->load_header_orig
1426	or return;	1939	or return;
1427	$self->prepare_orig;	1940	$self->prepare_orig;
1428	}	1941	}
1429		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1430	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1947	unless $self->default_region;
1432		1948
1433	1	1949	1
1434	}	1950	}
…		…
1437	sub find {	1953	sub find {
1438	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1439		1955
1440	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1441		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1960
1444	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1447	or return;	1963	or return;
1448		1964
1449	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1450		1966
1451	$map->load_header	1967	$map->load_header
1452	or return;	1968	or return;
1453		1969
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1457	$map->reset;	1975	$map->reset;
1458	undef $guard;
1459	return find $path;	1976	return find $path;
1460	}	1977	}
1461		1978
1462	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1463	}	1980	}
…		…
1470	my ($self) = @_;	1987	my ($self) = @_;
1471		1988
1472	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1473		1990
1474	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1476		1995
		1996	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1998
1479	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1480		2000
1481	$self->alloc;	2001	$self->alloc;
1482		2002
1483	$self->pre_load;	2003	$self->pre_load;
1484	Coro::cede;	2004	cf::cede_to_tick;
1485		2005
1486	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1487	or return;	2009	or return;
1488		2010
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1490	if delete $self->{load_original};	2012	if delete $self->{load_original};
1491		2013
1492	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2015	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2018	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1497	}	2022	}
1498	}	2023	}
1499		2024
1500	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1501	# now do the right thing for maps	2028	# now do the right thing for maps
1502	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2031	unless $self->difficulty;
1513	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1514	$self->activate;	2039	$self->activate;
1515	Coro::cede;	2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2046	}
1517		2047
1518	$self->post_load;	2048	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2049	}
1523		2050
1524	sub customise_for {	2051	sub customise_for {
1525	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1526		2053
1527	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2055	if $self->per_player;
1529		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1530	$self	2060	$self
1531	}	2061	}
1532		2062
1533	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2064	sub load_neighbours {
1535	my ($map) = @_;	2065	my ($map) = @_;
1536		2066
1537	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1538		2068
1539	for (0 .. 3) {	2069	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1541	or next;	2071	or next;
1542	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1543	or next;	2073	or next;
1544	$neigh->load;	2074	$neigh->load;
1545		2075
		2076	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2079	}
1549		2080
1550	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1552	or next;	2084	or next;
1553	$neigh->load;	2085	$neigh->load;
1554	}	2086	}
1555	}	2087	}
1556		2088
…		…
1561	}	2093	}
1562		2094
1563	sub do_load_sync {	2095	sub do_load_sync {
1564	my ($map) = @_;	2096	my ($map) = @_;
1565		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1566	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1567	}	2102	}
1568		2103
1569	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1571		2106
1572	sub find_async {	2107	sub find_async {
1573	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1574		2109
1575	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1576		2111
1577	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2114	}
1580		2115
1581	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1582	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1583	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2123	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2124	$map->load if $v;
		2125	}
1588		2126
1589	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1590	}	2128	}
1591	}	2129	}
1592	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1593	};	2131	};
1594	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2135	}
1598		2136
1599	sub save {	2137	sub save {
1600	my ($self) = @_;	2138	my ($self) = @_;
1601		2139
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2141
1604	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1605		2143
1606	return unless $self->dirty;	2144	return unless $self->dirty;
1607		2145
…		…
1613	return if $self->{deny_save};	2151	return if $self->{deny_save};
1614		2152
1615	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1616		2154
1617	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1619	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1620		2161
1621	if ($uniq) {	2162	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2165	} else {
…		…
1630	my ($self) = @_;	2171	my ($self) = @_;
1631		2172
1632	# save first because save cedes	2173	# save first because save cedes
1633	$self->save;	2174	$self->save;
1634		2175
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2177
1637	return if $self->players;	2178	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2180	return if $self->{deny_save};
1640		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2186	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2187	}
1644		2188
1645	sub reset_at {	2189	sub reset_at {
1646	my ($self) = @_;	2190	my ($self) = @_;
1647		2191
1648	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1651		2194
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2197
…		…
1665	my ($self) = @_;	2208	my ($self) = @_;
1666		2209
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2211
1669	return if $self->players;	2212	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2213
1672	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1673		2215
1674	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1675		2217
1676	# need to save uniques path	2218	# need to save uniques path
1677	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2223	if $uniq;
1682	}	2224	}
1683		2225
1684	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1685		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2230	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2231
1690	$self->unlink_save;	2232	$self->unlink_save;
1691	$self->destroy;	2233	$self->destroy;
1692	}	2234	}
1693		2235
1694	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1695		2237
1696	sub nuke {	2238	sub nuke {
1697	my ($self) = @_;	2239	my ($self) = @_;
1698		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1699	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1700		2245
1701	$self->unlink_save;	2246	$self->unlink_save;
1702		2247
1703	bless $self, "cf::map";	2248	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2253
1709	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1710		2256
1711	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1712	}	2294	}
1713		2295
1714	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1715		2297
1716	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2299	instantiated unique items. May block.
1718		2300
1719	=cut	2301	=cut
1720		2302
1721	sub unique_maps() {	2303	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1723	or return;	2305	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2306	utf8::decode $_;
1729	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2309	? ()
1732	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2312	]
1734
1735	\@paths
1736	}	2313	}
1737
1738	package cf;
1739		2314
1740	=back	2315	=back
1741		2316
1742	=head3 cf::object	2317	=head3 cf::object
1743		2318
…		…
1747		2322
1748	=over 4	2323	=over 4
1749		2324
1750	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1751		2326
1752	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1753		2329
1754	=cut	2330	=cut
1755		2331
1756	sub inv_recursive_;	2332	sub inv_recursive_;
1757	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1760		2336
1761	sub inv_recursive {	2337	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1763	}	2339	}
1764		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1765	package cf;	2369	package cf;
1766		2370
1767	=back	2371	=back
1768		2372
1769	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1778		2382
1779	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1780		2398
1781	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2400	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1786		2404
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2406
1789	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1791	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1794	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1795	}	2432	}
1796		2433
1797	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1798		2435
1799	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1812		2449
1813	=item $player_object->enter_link	2450	=item $player_object->enter_link
1814		2451
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2453
1817	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1819		2458
1820	Will never block.	2459	Will never block.
1821		2460
1822	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1823		2462
…		…
1846	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1847		2486
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2488
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1852		2491
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2493	}
1855		2494
1856	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1858		2499
1859	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1860		2501
1861	unless ($map) {	2502	unless ($map) {
1862	# restore original map position	2503	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1879		2520
1880	$map->load;	2521	$map->load;
1881	$map->load_diag;	2522	$map->load_neighbours;
1882		2523
1883	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2526	$self->activate_recursive;
1885		2527
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1888	}	2530	}
1889		2531
1890	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2533
1894	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1898	};	2538	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2539
1904	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2542
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1925		2546
1926	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2552
1929	$self->enter_link;	2553	$self->enter_link;
1930		2554
1931	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1932	my $map = eval {	2577	my $map = eval {
1933	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1935	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2593	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1940	})->prio (1);	2601	})->prio (1);
1941	}	2602	}
1942		2603
1943	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1944		2605
…		…
1964	}	2625	}
1965		2626
1966	sub prepare_random_map {	2627	sub prepare_random_map {
1967	my ($exit) = @_;	2628	my ($exit) = @_;
1968		2629
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2632	# that depends on the exit object
1974		2633
1975	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2636	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1982	}	2643	}
1983		2644
1984	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1985		2646
1986	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1989		2650
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2653	undef $fh;
1993	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1994		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1997	}	2662	}
1998	}	2663	}
1999		2664
2000	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2002		2667
2003	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2004		2669
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2670	$self->enter_link;
2017		2671
2018	(async {	2672	(async {
2019	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2020	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2021	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2022		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2023	1;	2696	1
2024	}) {	2697	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2702
2030	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2049		2722
2050	utf8::encode $text;	2723	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2725	}
2053		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel);
		2815	$channel = $channel->{id};
		2816
		2817	} elsif (ref $channel) {
		2818	# send meta info to client, if not yet sent
		2819	unless (exists $self->{channel}{$channel->{id}}) {
		2820	$self->{channel}{$channel->{id}} = $channel;
		2821	$self->ext_msg (channel_info => $channel);
		2822	}
		2823
		2824	$channel = $channel->{id};
		2825	}
		2826
		2827	return unless @extra || length $msg;
		2828
		2829	# default colour, mask it out
		2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2831	if $color & cf::NDI_DEF;
		2832
		2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
		2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2836	);
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if (8192 < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2054	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2055		2852
2056	Sends an exti event to the client.	2853	Sends an ext event to the client.
2057		2854
2058	=cut	2855	=cut
2059		2856
2060	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2062		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2883	}
2065	}	2884	}
2066		2885
2067	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2068		2887
2069	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2889	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2890	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2891
2073	Queries can fail, so check the return code. Or don't, as queries will become	2892	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2893	become reliable at some point in the future.
2075		2894
2076	=cut	2895	=cut
2077		2896
2078	sub cf::client::query {	2897	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2906	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2908
2090	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
2092	}	2913	}
2093		2914
2094	cf::client->attach (	2915	cf::client->attach (
		2916	on_connect => sub {
		2917	my ($ns) = @_;
		2918
		2919	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2920	},
2095	on_reply => sub {	2921	on_reply => sub {
2096	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
2097		2923
2098	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
2099	# get handled first	2925	# get handled first
…		…
2111	} else {	2937	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2939	}
2114	}	2940	}
2115	},	2941	},
		2942	on_exticmd => sub {
		2943	my ($ns, $buf) = @_;
		2944
		2945	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2946
		2947	if (ref $msg) {
		2948	my ($type, $reply, @payload) =
		2949	"ARRAY" eq ref $msg
		2950	? @$msg
		2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2952
		2953	my @reply;
		2954
		2955	if (my $cb = $EXTICMD{$type}) {
		2956	@reply = $cb->($ns, @payload);
		2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
		2962	} else {
		2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2964	}
		2965
		2966	cf::override;
		2967	},
2116	);	2968	);
2117		2969
2118	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
2119		2971
2120	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2163		3015
2164	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2165		3017
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2167		3023
2168	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2169		3025
2170	=pod	3026	=pod
2171		3027
2172	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2173		3029
2174	cf::object contr pay_amount pay_player map	3030	cf::object
		3031	contr pay_amount pay_player map x y force_find force_add destroy
		3032	insert remove name archname title slaying race decrease split
		3033
2175	cf::object::player player	3034	cf::object::player
2176	cf::player peaceful	3035	player
2177	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2178		3042
2179	=cut	3043	=cut
2180		3044
2181	for (	3045	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2186	) {	3052	) {
2187	no strict 'refs';	3053	no strict 'refs';
…		…
2258	=back	3124	=back
2259		3125
2260	=cut	3126	=cut
2261		3127
2262	#############################################################################	3128	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3129	# the server's init and main functions
2336		3130
2337	sub load_facedata {	3131	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3132	my ($path) = @_;
		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3139
2340	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2341		3141
2342	my $facedata;	3142	my $facedata;
2343	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2347		3147
2348	$facedata->{version} == 2	3148	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
2351	{	3158	{
2352	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2353		3160
2354	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3168
		3169	cf::cede_to_tick;
2360	}	3170	}
2361		3171
2362	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2364	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2365	or next;	3176	or next;
		3177
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3181	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3183	}
2371	Coro::cede;	3184
		3185	cf::cede_to_tick;
2372	}	3186	}
2373	}	3187	}
2374		3188
2375	{	3189	{
2376	my $anims = $facedata->{animinfo};	3190	my $anims = $facedata->{animinfo};
2377		3191
2378	while (my ($anim, $info) = each %$anims) {	3192	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3194	cf::cede_to_tick;
2381	}	3195	}
2382		3196
2383	cf::anim::invalidate_all; # d'oh	3197	cf::anim::invalidate_all; # d'oh
2384	}	3198	}
2385		3199
		3200	{
		3201	# TODO: for gcfclient pleasure, we should give resources
		3202	# that gcfclient doesn't grok a >10000 face index.
		3203	my $res = $facedata->{resource};
		3204
		3205	while (my ($name, $info) = each %$res) {
		3206	if (defined $info->{type}) {
		3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
		3209
		3210	if ($info->{type} & 1) {
		3211	# prepend meta info
		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
		3218	$data = pack "(w/a*)*", $meta, $info->{data};
		3219	} else {
		3220	$data = $info->{data};
		3221	}
		3222
		3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
		3225	} else {
		3226	$RESOURCE{$name} = $info;
		3227	}
		3228
		3229	cf::cede_to_tick;
		3230	}
		3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3234
2386	1	3235	1
2387	}	3236	}
2388		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
		3257
		3258	register_exticmd fx_want => sub {
		3259	my ($ns, $want) = @_;
		3260
		3261	while (my ($k, $v) = each %$want) {
		3262	$ns->fx_want ($k, $v);
		3263	}
		3264	};
		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
		3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
		3281	load_resource_file "$MAPDIR/regions"
		3282	or die "unable to load regions file\n";
		3283
		3284	for (cf::region::list) {
		3285	$_->{match} = qr/$_->{match}/
		3286	if exists $_->{match};
		3287	}
		3288	}
		3289
		3290	sub reload_facedata {
		3291	load_facedata "$DATADIR/facedata"
		3292	or die "unable to load facedata\n";
		3293	}
		3294
		3295	sub reload_archetypes {
		3296	load_resource_file "$DATADIR/archetypes"
		3297	or die "unable to load archetypes\n";
		3298	}
		3299
		3300	sub reload_treasures {
		3301	load_resource_file "$DATADIR/treasures"
		3302	or die "unable to load treasurelists\n";
		3303	}
		3304
2389	sub reload_resources {	3305	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3306	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3307
2392	load_facedata	3308	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3309	reload_archetypes;
2394	}
2395
2396	sub init {
2397	reload_resources;	3310	reload_regions;
2398	}	3311	reload_treasures;
2399		3312
2400	sub cfg_load {	3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3318	or return;
2403		3319
2404	local $/;	3320	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2406		3322
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3324
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2416	};	3332	};
2417	warn $@ if $@;	3333	warn $@ if $@;
2418	}	3334	}
2419	}	3335	}
2420		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
2421	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
2422	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3374	(async {
2426	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2428	};	3378	};
2429		3379
2430	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2431	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
2432	load_extensions;	3398	load_extensions;
2433		3399
2434	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
2435	Event::loop;	3408	EV::loop;
2436	}	3409	}
2437		3410
2438	#############################################################################	3411	#############################################################################
2439	# initialisation and cleanup	3412	# initialisation and cleanup
2440		3413
2441	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2442	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2451	},
2452	);	3420	};
		3421	}
		3422	}
		3423
		3424	sub write_runtime_sync {
		3425	# first touch the runtime file to show we are still running:
		3426	# the fsync below can take a very very long time.
		3427
		3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3429
		3430	my $guard = cf::lock_acquire "write_runtime";
		3431
		3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3433	or return;
		3434
		3435	my $value = $cf::RUNTIME + 90 + 10;
		3436	# 10 is the runtime save interval, for a monotonic clock
		3437	# 60 allows for the watchdog to kill the server.
		3438
		3439	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3440	and return;
		3441
		3442	# always fsync - this file is important
		3443	aio_fsync $fh
		3444	and return;
		3445
		3446	# touch it again to show we are up-to-date
		3447	aio_utime $fh, undef, undef;
		3448
		3449	close $fh
		3450	or return;
		3451
		3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3453	and return;
		3454
		3455	warn "runtime file written.\n";
		3456
2453	}	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
2454	}	3508	}
2455		3509
2456	sub emergency_save() {	3510	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2458		3512
2459	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2460		3514
2461	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
2462	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3529	$pl->save;
2470	}	3530	}
2471	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2472		3532
2473	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3536	$map->valid or next;
2477	$map->save;	3537	$map->save;
2478	}	3538	}
2479	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2480		3540
2481	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2484	};	3548	};
2485		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2486	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2487	}	3556	}
2488		3557
2489	sub post_cleanup {	3558	sub post_cleanup {
2490	my ($make_core) = @_;	3559	my ($make_core) = @_;
2491		3560
2492	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3562	if $make_core;
2494	}
2495		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
		3592	}
		3593
2496	sub reload() {	3594	sub do_reload_perl() {
2497	# can/must only be called in main	3595	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2500	return;	3598	return;
2501	}	3599	}
2502		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2503	warn "reloading...";	3606	warn "reloading...";
2504		3607
2505	warn "entering sync_job";	3608	warn "entering sync_job";
2506		3609
2507	cf::sync_job {	3610	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2509	cf::emergency_save;	3612	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2511		3614
2512	warn "syncing database to disk";	3615	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3617
2515	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
2516		3619
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2528	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();
2536
2537	warn "removing commands";
2538	%COMMAND = ();
2539
2540	warn "removing ext commands";
2541	%EXTCMD = ();
2542
2543	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";
2546
2547	if (my $cb = $pkg->can ("unload")) {
2548	eval {
2549	$cb->($pkg);
2550	1
2551	} or warn "$pkg unloaded, but with errors: $@";
2552	}	3623	}
2553		3624
2554	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2555	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2556	}	3627	%EXT_CORO = ();
2557		3628
2558	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2559	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2562	warn "... unloading $k";	3638	warn "... unloading $pkg";
2563	delete $INC{$k};
2564		3639
2565	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;
2567
2568	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2569	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2570	}	3649	}
2571		3650
2572	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
2573	}	3666	}
2574		3667
2575	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3671
2579	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
		3674	delete $INC{"cf/pod.pm"};
2581		3675
2582	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3677	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2585		3679
2586	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2587		3681
2588	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2589	require cf;	3683	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3685
2592	warn "loading config and database again";	3686	warn "loading config and database again";
2593	cf::cfg_load;	3687	cf::reload_config;
2594		3688
2595	warn "loading extensions";	3689	warn "loading extensions";
2596	cf::load_extensions;	3690	cf::load_extensions;
2597		3691
		3692	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
2604		3700
2605	warn "loading reloadable resources";	3701	warn "running post_init jobs";
2606	reload_resources;	3702	(pop @POST_INIT)->(1) while @POST_INIT;
2607		3703
2608	warn "leaving sync_job";	3704	warn "leaving sync_job";
2609		3705
2610	1	3706	1
2611	} or do {	3707	} or do {
2612	warn $@;	3708	warn $@;
2613	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3710	};
		3711
		3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
		3718	};
		3719
		3720	our $RELOAD_WATCHER; # used only during reload
		3721
		3722	sub reload_perl() {
		3723	# doing reload synchronously and two reloads happen back-to-back,
		3724	# coro crashes during coro_state_free->destroy here.
		3725
		3726	$RELOAD_WATCHER ||= cf::async {
		3727	Coro::AIO::aio_wait cache_extensions;
		3728
		3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3730	do_reload_perl;
		3731	undef $RELOAD_WATCHER;
		3732	};
2615	};	3733	};
2616		3734	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		3735
2622	register_command "reload" => sub {	3736	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2624		3738
2625	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
2627		3741	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3742	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3743	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3744	};
2640	}	3745	}
2641	};	3746	};
2642		3747
2643	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2644		3749
…		…
2646		3751
2647	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
2649		3754
2650	sub wait_for_tick {	3755	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
		3757
2652	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3760	$signal->wait;
2655	}	3761	}
2656		3762
2657	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
		3765
2659	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3768	$signal->wait;
2662	}	3769	}
2663		3770
2664	$TICK_WATCHER = Event->timer (	3771	sub tick {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2674	return;	3775	return;
2675	}	3776	}
2676		3777
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		3779
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	3782	Coro::async_pool {
		3783	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3784	write_runtime_sync
2687	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
2688	};
2689	}	3786	};
		3787	}
2690		3788
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3790	$sig->send;
2693	}	3791	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3793	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	3794	}
2707	);	3795
		3796	$LOAD = ($NOW - $TICK_START) / $TICK;
		3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3798
		3799	if (0) {
		3800	if ($NEXT_TICK) {
		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
		3805	}
		3806	}
2708		3807
2709	{	3808	{
2710	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	3810
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
2720		3812	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		3814
2736	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		3822
2739	cf::sync_job {	3823	cf::sync_job {
2740	eval {	3824	eval {
2741	BDB::db_env_open	3825	BDB::db_env_open
2742	$DB_ENV,	3826	$DB_ENV,
2743	$BDB_ENV_DIR,	3827	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3830	0666;
2747		3831
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	3833	};
2753		3834
2754	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3836	};
2756	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
2757	}	3848	}
2758		3849
2759	{	3850	{
		3851	# configure IO::AIO
		3852
2760	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	3856	}
		3857
		3858	my $_log_backtrace;
		3859
		3860	sub _log_backtrace {
		3861	my ($msg, @addr) = @_;
		3862
		3863	$msg =~ s/\n//;
		3864
		3865	# limit the # of concurrent backtraces
		3866	if ($_log_backtrace < 2) {
		3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
		3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
		3872	my @bt = fork_call {
		3873	@addr = map { sprintf "%x", $_ } @addr;
		3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3876	or die "addr2line: $!";
		3877
		3878	my @funcs;
		3879	my @res = <$fh>;
		3880	chomp for @res;
		3881	while (@res) {
		3882	my ($func, $line) = splice @res, 0, 2, ();
		3883	push @funcs, "[$func] $line";
		3884	}
		3885
		3886	@funcs
		3887	};
		3888
		3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3891	LOG llevInfo, "[ABT] $_\n" for @bt;
		3892	--$_log_backtrace;
		3893	};
		3894	} else {
		3895	LOG llevInfo, "[ABT] $msg\n";
		3896	LOG llevInfo, "[ABT] [suppressed]\n";
		3897	}
		3898	}
		3899
		3900	# load additional modules
		3901	use cf::pod;
2773		3902
2774	END { cf::emergency_save }	3903	END { cf::emergency_save }
2775		3904
2776	1	3905	1
2777		3906

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