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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		126
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
87	binmode STDOUT;	139	binmode STDOUT;
88	binmode STDERR;	140	binmode STDERR;
89		141
90	# read virtual server time, if available	142	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
95	}	147	}
96		148
97	mkdir cf::localdir;	149	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		151
104	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
105		153
106	sub cf::map::normalise;	154	sub cf::map::normalise;
107		155
…		…
118	=item $cf::RUNTIME	166	=item $cf::RUNTIME
119		167
120	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
121	every server tick.	169	every server tick.
122		170
123	=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
124		174
125	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		179
128	=item $cf::NOW	180	=item $cf::NOW
129		181
130	The time of the last (current) server tick.	182	The time of the last (current) server tick.
131		183
132	=item $cf::TICK	184	=item $cf::TICK
133		185
134	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	198	=item %cf::CFG
137		199
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	201	from wherever your confdir points to.
140		202
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		204
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	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.
147		214
148	=back	215	=back
149		216
150	=cut	217	=cut
151		218
152	BEGIN {	219	BEGIN {
153	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	221	my $msg = join "", @_;
155	utf8::encode $msg;
156		222
157	$msg .= "\n"	223	$msg .= "\n"
158	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
159		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
160	LOG llevError, $msg;	228	LOG llevError, $msg;
161	};	229	};
162	}	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#?
163		246
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		254
171	# 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
172	# within the Safe compartment.	256	# within the Safe compartment.
173	for my $pkg (qw(	257	for my $pkg (qw(
174	cf::global cf::attachable	258	cf::global cf::attachable
175	cf::object cf::object::player	259	cf::object cf::object::player
176	cf::client cf::player	260	cf::client cf::player
177	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
178	cf::map cf::party cf::region	263	cf::party cf::region
179	)) {	264	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	266	}
183		267
184	$Event::DIED = sub {	268	$EV::DIED = sub {
185	warn "error in event callback: @_";	269	warn "error in event callback: @_";
186	};	270	};
		271
		272	#############################################################################
187		273
188	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
189		275
190	=over 4	276	=over 4
191		277
…		…
210	$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;
211	$d	297	$d
212	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
213	}	299	}
214		300
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
218		302
219	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
220		304
221	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
222		306
223	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	330	=item cf::lock_wait $string
226		331
227	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
228		333
229	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
230		335
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
234	returned.	339	returned.
235		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
236	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
237	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
238		346
239	=cut	347	=item $locked = cf::lock_active $string
240		348
241	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
242		354
243	sub lock_wait($) {	355	sub lock_wait($) {
244	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	357	}
252		358
253	sub lock_acquire($) {	359	sub lock_acquire($) {
254	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
255		362
256	# wait, to be sure we are not locked	363	sub lock_active($) {
257	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	365	}
266		366
267	sub freeze_mainloop {	367	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
269		369
270	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
272	};	431	}
273	$TICK_WATCHER->stop;	432	};
274	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
275	}	446	}
276		447
277	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
278		449
279	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		455
285	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
286		457
287	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
288		459
289	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
292		464
293	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
296	fast or be very important.	468	fast or be very important.
…		…
299		471
300	sub sync_job(&) {	472	sub sync_job(&) {
301	my ($job) = @_;	473	my ($job) = @_;
302		474
303	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
304	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
306		480
307	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	482
309	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
310		484
311	my $busy = 1;	485	my $busy = 1;
312	my @res;	486	my @res;
313		487
314	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	490	@res = eval { $job->() };
316	warn $@ if $@;	491	warn $@ if $@;
317	undef $busy;	492	undef $busy;
318	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
319		494
320	while ($busy) {	495	while ($busy) {
321	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
322	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
323		506
324	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
325	} else {	508	} else {
326	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
327		510
…		…
347	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
348		531
349	$coro	532	$coro
350	}	533	}
351		534
352	sub write_runtime {	535	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		536
355	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.
356		541
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
358	or return;
359		543
360	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		546
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
365	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
366		550
367	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	552	reset_signals;
369	and return;	553	&$cb
		554	}, @args;
370		555
371	close $fh	556	wantarray ? @res : $res[-1]
372	or return;	557	}
373		558
374	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
375	and return;
376		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
377	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
378	}	711	}
379		712
380	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
381		714
382	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.
…		…
394		727
395	#############################################################################	728	#############################################################################
396		729
397	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
398		731
399	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
400	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")
401	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
402		735
403	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>
404	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
405	crossfire+).	738	Deliantra).
406		739
407	=over 4	740	=over 4
408		741
409	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
410		743
…		…
454	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
455		788
456	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
458		791
459	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		794
462	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
463		796
464	=over 4	797	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
574		907
575	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		912
580	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	914	my $pkg = shift @arg;
582		915
583	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
613	}	946	}
614		947
615	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
616	} else {	949	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	951	}
619		952
620	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
621	}	954	}
622		955
…		…
624	if (ref $_[0]) {	957	if (ref $_[0]) {
625	_object_attach @_;	958	_object_attach @_;
626	} else {	959	} else {
627	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
628	}	961	}
		962	_recalc_want;
629	};	963	};
630		964
631	# all those should be optimised	965	# all those should be optimised
632	sub cf::attachable::detach {	966	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
637	reattach ($obj);	971	reattach ($obj);
638	} else {	972	} else {
639	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
640	}	974	}
		975	_recalc_want;
641	};	976	};
642		977
643	sub cf::attachable::attached {	978	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
645		980
…		…
660	";	995	";
661	die if $@;	996	die if $@;
662	}	997	}
663		998
664	our $override;	999	our $override;
665	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?
666		1001
667	sub override {	1002	sub override {
668	$override = 1;	1003	$override = 1;
669	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
670	}	1005	}
671		1006
672	sub do_invoke {	1007	sub do_invoke {
673	my $event = shift;	1008	my $event = shift;
674	my $callbacks = shift;	1009	my $callbacks = shift;
675		1010
676	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
677		1012
678	local $override;	1013	local $override;
679		1014
680	for (@$callbacks) {	1015	for (@$callbacks) {
681	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
690	}	1025	}
691		1026
692	0	1027	0
693	}	1028	}
694		1029
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1033
699	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
700		1035
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1039
705	=back	1040	=back
706		1041
707	=cut	1042	=cut
708		1043
709	#############################################################################	1044	#############################################################################
710	# 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, $ob2
		1087	}
711		1088
712	sub reattach {	1089	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1091	my ($obj) = @_;
715		1092
		1093	# no longer needed after getting rid of delete_package?
716	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
717		1095
718	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
719		1097
720	@$registry = ();	1098	@$registry = ();
721		1099
…		…
736	cf::attachable->attach (	1114	cf::attachable->attach (
737	prio => -1000000,	1115	prio => -1000000,
738	on_instantiate => sub {	1116	on_instantiate => sub {
739	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
740		1118
741	$data = from_json $data;	1119	$data = decode_json $data;
742		1120
743	for (@$data) {	1121	for (@$data) {
744	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
745		1123
746	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1140	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
764		1142
765	sync_job {	1143	sync_job {
766	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
769		1148
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1153	aio_close $fh;
775		1154
776	if (@$objs) {	1155	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1161	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
784	}	1163	}
785	} else {	1164	} else {
786	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
787	}	1166	}
788		1167
789	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1172	} else {
791	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
792	}	1174	}
793	} else {	1175	} else {
794	aio_unlink $filename;	1176	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
796	}	1178	}
797	}	1179	};
798	}	1180	}
799		1181
800	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
802		1184
…		…
814	or return;	1196	or return;
815		1197
816	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
818	or return;	1200	or return;
		1201
819	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
820	}	1204	}
821		1205
		1206	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
824	return ($data, $av);	1210	($data, $av)
825	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
826		1218
827	#############################################################################	1219	#############################################################################
828	# command handling &c	1220	# command handling &c
829		1221
830	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1236	}
845		1237
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1239
848	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.
849		1245
850	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
851	called.	1247	called.
852		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
853	=cut	1260	=cut
854		1261
855	sub register_extcmd {	1262	sub register_extcmd {
856	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
857		1264
858	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
859	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
860		1275
861	cf::player->attach (	1276	cf::player->attach (
862	on_command => sub {	1277	on_command => sub {
863	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
864		1279
…		…
872	cf::override;	1287	cf::override;
873	},	1288	},
874	on_extcmd => sub {	1289	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
876		1291
877	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1293
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
885	} else {	1309	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1311	}
888		1312
889	cf::override;	1313	cf::override;
890	},	1314	},
891	);	1315	);
892		1316
		1317	# "readahead" all extensions
893	sub load_extension {	1318	sub cache_extensions {
894	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
895		1320
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
897	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1324	}
921	die $@;
922	}	1325	};
923		1326
924	push @EXTS, $pkg;	1327	$grp
925	}	1328	}
926		1329
927	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
928	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1335	next unless -r $path;
930	eval {	1336
931	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	$progress = 1;
932	1	1393	}
933	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
934	}	1399	};
935	}	1400	}
936		1401
937	#############################################################################	1402	#############################################################################
938		1403
		1404	=back
		1405
939	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
940		1407
941	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
942		1409
943	=cut	1410	=cut
944		1411
945	package cf::player;	1412	package cf::player;
946		1413
…		…
948		1415
949	=head3 cf::player	1416	=head3 cf::player
950		1417
951	=over 4	1418	=over 4
952		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
953	=item cf::player::find $login	1434	=item cf::player::find $login
954		1435
955	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
956		1437
957	=cut	1438	=cut
958		1439
959	sub playerdir($) {	1440	sub playerdir($) {
960	cf::localdir	1441	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1443	}
966		1444
967	sub path($) {	1445	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1456
979	sub exists($) {	1457	sub exists($) {
980	my ($login) = @_;	1458	my ($login) = @_;
981		1459
982	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
984	}	1462	}
985		1463
986	sub find($) {	1464	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1466	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
999		1477
1000	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1003	}	1487	}
1004	}	1488	}
1005	}	1489	}
1006		1490
…		…
1015	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1016		1500
1017	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1019		1503
		1504	cf::get_slot 0.01;
		1505
1020	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1021	Coro::cede;	1507	cf::cede_to_tick;
1022	}	1508	}
1023		1509
1024	sub new($) {	1510	sub new($) {
1025	my ($login) = @_;	1511	my ($login) = @_;
1026		1512
…		…
1032	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1033		1519
1034	$self	1520	$self
1035	}	1521	}
1036		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
1037	=item $pl->quit_character	1533	=item $pl->quit_character
1038		1534
1039	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1041		1537
…		…
1045	my ($pl) = @_;	1541	my ($pl) = @_;
1046		1542
1047	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1048		1544
1049	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1050	$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
1051		1547
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1056		1554
1057	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1089		1587
1090	=cut	1588	=cut
1091		1589
1092	sub list_logins {	1590	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1592	or return [];
1095		1593
1096	my @logins;	1594	my @logins;
1097		1595
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1102		1606
1103	utf8::decode $login;	1607	utf8::decode $login;
1104	push @logins, $login;	1608	push @logins, $login;
1105	}	1609	}
1106		1610
…		…
1133	}	1637	}
1134		1638
1135	\@paths	1639	\@paths
1136	}	1640	}
1137		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1138	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1139		1647
1140	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1141		1649
1142	=cut	1650	=cut
1143		1651
1144	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1146		1654
1147	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1656	}
1151		1657
1152	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1153		1659
1154	Sends an ext event to the client.	1660	Sends an ext event to the client.
1155		1661
1156	=cut	1662	=cut
1157		1663
1158	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1160		1666
1161	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1162	}	1668	}
1163		1669
1164	package cf;	1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1165		1698
1166	=back	1699	=back
1167
1168		1700
1169	=head3 cf::map	1701	=head3 cf::map
1170		1702
1171	=over 4	1703	=over 4
1172		1704
…		…
1184	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1186		1718
1187	sub generate_random_map {	1719	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1725	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1228		1763
1229	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1230	local $self->{path};	1765	local $self->{path};
1231	local $self->{load_path};	1766	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1767
1235	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1236	}	1769	}
1237		1770
1238	sub normalise {	1771	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1286	return $self;	1819	return $self;
1287	}	1820	}
1288	}	1821	}
1289		1822
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1824	()
1292	}	1825	}
1293		1826
1294	sub init {	1827	sub init {
1295	my ($self) = @_;	1828	my ($self) = @_;
…		…
1310		1843
1311	# the original (read-only) location	1844	# the original (read-only) location
1312	sub load_path {	1845	sub load_path {
1313	my ($self) = @_;	1846	my ($self) = @_;
1314		1847
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1316	}	1849	}
1317		1850
1318	# the temporary/swap location	1851	# the temporary/swap location
1319	sub save_path {	1852	sub save_path {
1320	my ($self) = @_;	1853	my ($self) = @_;
1321		1854
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1324	}	1857	}
1325		1858
1326	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1327	sub uniq_path {	1860	sub uniq_path {
1328	my ($self) = @_;	1861	my ($self) = @_;
1329		1862
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1332	}	1865	}
1333		1866
1334	# and all this just because we cannot iterate over	1867	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	1868	my ($self) = @_;
1338		1869
1339	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1341	}	1873	}
1342		1874
1343	sub unlink_save {	1875	sub unlink_save {
1344	my ($self) = @_;	1876	my ($self) = @_;
1345		1877
…		…
1350		1882
1351	sub load_header_from($) {	1883	sub load_header_from($) {
1352	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1353		1885
1354	utf8::encode $path;	1886	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1895
1361	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1362		1897
1363	1	1898	1
1364	}	1899	}
…		…
1403	$self->load_header_orig	1938	$self->load_header_orig
1404	or return;	1939	or return;
1405	$self->prepare_orig;	1940	$self->prepare_orig;
1406	}	1941	}
1407		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1408	1	1949	1
1409	}	1950	}
1410		1951
1411	sub find;	1952	sub find;
1412	sub find {	1953	sub find {
1413	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1414		1955
1415	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1416		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1418		1960
1419	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1422	or return;	1963	or return;
1423		1964
1424	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1425		1966
1426	$map->load_header	1967	$map->load_header
1427	or return;	1968	or return;
1428		1969
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1432	$map->reset;	1975	$map->reset;
1433	undef $guard;
1434	return find $path;	1976	return find $path;
1435	}	1977	}
1436		1978
1437	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1438	}	1980	}
…		…
1445	my ($self) = @_;	1987	my ($self) = @_;
1446		1988
1447	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1448		1990
1449	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1451		1995
		1996	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		1998
1454	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1455		2000
1456	$self->alloc;	2001	$self->alloc;
1457		2002
1458	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1459		2005
1460	$self->_load_objects ($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)
1461	or return;	2009	or return;
1462		2010
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1464	if delete $self->{load_original};	2012	if delete $self->{load_original};
1465		2013
1466	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2015	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2018	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1471	}	2022	}
1472	}	2023	}
1473		2024
1474	Coro::cede;	2025	$f->resolve_delayed_derefs;
1475		2026
		2027	cf::cede_to_tick;
1476	# now do the right thing for maps	2028	# now do the right thing for maps
1477	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2031	unless $self->difficulty;
1487	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1488	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2046	}
1490		2047
1491	$self->post_load;	2048	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2049	}
1495		2050
1496	sub customise_for {	2051	sub customise_for {
1497	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1498		2053
1499	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2055	if $self->per_player;
1501		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1502	$self	2060	$self
1503	}	2061	}
1504		2062
1505	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2064	sub load_neighbours {
1507	my ($map) = @_;	2065	my ($map) = @_;
1508		2066
1509	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1510		2068
1511	for (0 .. 3) {	2069	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1513	or next;	2071	or next;
1514	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1515	or next;	2073	or next;
1516	$neigh->load;	2074	$neigh->load;
1517		2075
		2076	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2079	}
1521		2080
1522	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1524	or next;	2084	or next;
1525	$neigh->load;	2085	$neigh->load;
1526	}	2086	}
1527	}	2087	}
1528		2088
…		…
1533	}	2093	}
1534		2094
1535	sub do_load_sync {	2095	sub do_load_sync {
1536	my ($map) = @_;	2096	my ($map) = @_;
1537		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1538	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1539	}	2102	}
1540		2103
1541	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1543		2106
1544	sub find_async {	2107	sub find_async {
1545	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1546		2109
1547	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1548		2111
1549	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2114	}
1552		2115
1553	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1554	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1555	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2123	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2124	$map->load if $v;
		2125	}
1560		2126
1561	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1562	}	2128	}
1563	}	2129	}
1564	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1565	};	2131	};
1566	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2135	}
1570		2136
1571	sub save {	2137	sub save {
1572	my ($self) = @_;	2138	my ($self) = @_;
1573		2139
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2141
1576	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1577		2143
1578	return unless $self->dirty;	2144	return unless $self->dirty;
1579		2145
…		…
1585	return if $self->{deny_save};	2151	return if $self->{deny_save};
1586		2152
1587	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1588		2154
1589	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1591	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1592		2161
1593	if ($uniq) {	2162	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2165	} else {
…		…
1602	my ($self) = @_;	2171	my ($self) = @_;
1603		2172
1604	# save first because save cedes	2173	# save first because save cedes
1605	$self->save;	2174	$self->save;
1606		2175
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2177
1609	return if $self->players;	2178	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2180	return if $self->{deny_save};
1612		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2186	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2187	}
1616		2188
1617	sub reset_at {	2189	sub reset_at {
1618	my ($self) = @_;	2190	my ($self) = @_;
1619		2191
1620	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1623		2194
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2197
…		…
1637	my ($self) = @_;	2208	my ($self) = @_;
1638		2209
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2211
1641	return if $self->players;	2212	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2213
1644	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1645		2215
1646	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1647		2217
1648	# need to save uniques path	2218	# need to save uniques path
1649	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2223	if $uniq;
1654	}	2224	}
1655		2225
1656	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1657		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2230	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2231
1662	$self->unlink_save;	2232	$self->unlink_save;
1663	$self->destroy;	2233	$self->destroy;
1664	}	2234	}
1665		2235
1666	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1667		2237
1668	sub nuke {	2238	sub nuke {
1669	my ($self) = @_;	2239	my ($self) = @_;
1670		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1671	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1672		2245
1673	$self->unlink_save;	2246	$self->unlink_save;
1674		2247
1675	bless $self, "cf::map";	2248	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2253
1681	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1682		2256
1683	$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	]
1684	}	2294	}
1685		2295
1686	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1687		2297
1688	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2299	instantiated unique items. May block.
1690		2300
1691	=cut	2301	=cut
1692		2302
1693	sub unique_maps() {	2303	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1695	or return;	2305	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2306	utf8::decode $_;
1701	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2309	? ()
1704	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2312	]
1706
1707	\@paths
1708	}	2313	}
1709
1710	package cf;
1711		2314
1712	=back	2315	=back
1713		2316
1714	=head3 cf::object	2317	=head3 cf::object
1715		2318
…		…
1719		2322
1720	=over 4	2323	=over 4
1721		2324
1722	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1723		2326
1724	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.
1725		2329
1726	=cut	2330	=cut
1727		2331
1728	sub inv_recursive_;	2332	sub inv_recursive_;
1729	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1732		2336
1733	sub inv_recursive {	2337	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1735	}	2339	}
1736		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
1737	package cf;	2369	package cf;
1738		2370
1739	=back	2371	=back
1740		2372
1741	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1750		2382
1751	=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	};
1752		2398
1753	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2400	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1758		2404
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2406
1761	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1766	}	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 (@_);
1767	}	2432	}
1768		2433
1769	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1770		2435
1771	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1784		2449
1785	=item $player_object->enter_link	2450	=item $player_object->enter_link
1786		2451
1787	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}>).
1788		2453
1789	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.
1790	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.
1791		2458
1792	Will never block.	2459	Will never block.
1793		2460
1794	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1795		2462
…		…
1818	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1819		2486
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2488
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1824		2491
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2493	}
1827		2494
1828	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1830		2499
1831	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1832		2501
1833	unless ($map) {	2502	unless ($map) {
1834	# restore original map position	2503	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1851		2520
1852	$map->load;	2521	$map->load;
1853	$map->load_diag;	2522	$map->load_neighbours;
1854		2523
1855	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2526	$self->activate_recursive;
1857		2527
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1860	}	2530	}
1861		2531
1862	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2533
1866	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1870	};	2538	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2539
1876	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2542
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1897		2546
1898	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1899	my ($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;
1900		2552
1901	$self->enter_link;	2553	$self->enter_link;
1902		2554
1903	(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
1904	my $map = eval {	2577	my $map = eval {
1905	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2593	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1912	})->prio (1);	2601	})->prio (1);
1913	}	2602	}
1914		2603
1915	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1916		2605
…		…
1936	}	2625	}
1937		2626
1938	sub prepare_random_map {	2627	sub prepare_random_map {
1939	my ($exit) = @_;	2628	my ($exit) = @_;
1940		2629
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2632	# that depends on the exit object
1946		2633
1947	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2636	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1954	}	2643	}
1955		2644
1956	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1957		2646
1958	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1961		2650
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2653	undef $fh;
1965	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1966		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1969	}	2662	}
1970	}	2663	}
1971		2664
1972	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1974		2667
1975	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1976		2669
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2670	$self->enter_link;
1989		2671
1990	(async {	2672	(async {
1991	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1992	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
1993	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1994		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
1995	1;	2696	1
1996	}) {	2697	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "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. "
1999	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2702
2002	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2021		2722
2022	utf8::encode $text;	2723	utf8::encode $text;
2023	$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);
2024	}	2725	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2027		2852
2028	Sends an exti event to the client.	2853	Sends an ext event to the client.
2029		2854
2030	=cut	2855	=cut
2031		2856
2032	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2034		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2036	$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	}
2037	}	2884	}
2038		2885
2039	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2040		2887
2041	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2891
2045	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
2046	reliable at some point in the future.	2893	become reliable at some point in the future.
2047		2894
2048	=cut	2895	=cut
2049		2896
2050	sub cf::client::query {	2897	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2906	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2908
2062	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
2064	}	2913	}
2065		2914
2066	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	},
2067	on_reply => sub {	2921	on_reply => sub {
2068	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
2069		2923
2070	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
2071	# get handled first	2925	# get handled first
…		…
2083	} else {	2937	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2939	}
2086	}	2940	}
2087	},	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	},
2088	);	2968	);
2089		2969
2090	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
2091		2971
2092	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2135		3015
2136	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2137		3017
2138	$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	));
2139		3023
2140	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2141		3025
2142	=pod	3026	=pod
2143		3027
2144	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2145		3029
2146	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
2147	cf::object::player player	3034	cf::object::player
2148	cf::player peaceful	3035	player
2149	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2150		3042
2151	=cut	3043	=cut
2152		3044
2153	for (	3045	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2158	) {	3052	) {
2159	no strict 'refs';	3053	no strict 'refs';
…		…
2230	=back	3124	=back
2231		3125
2232	=cut	3126	=cut
2233		3127
2234	#############################################################################	3128	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3129	# the server's init and main functions
2308		3130
2309	sub load_facedata {	3131	sub load_facedata($) {
2310	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;
2311		3139
2312	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2313		3141
2314	my $facedata;	3142	my $facedata;
2315	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2319		3147
2320	$facedata->{version} == 2	3148	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3158	{
2324	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2325		3160
2326	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3168
		3169	cf::cede_to_tick;
2332	}	3170	}
2333		3171
2334	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2336	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2337	or next;	3176	or next;
		3177
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3181	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3183	}
2343	Coro::cede;	3184
		3185	cf::cede_to_tick;
2344	}	3186	}
2345	}	3187	}
2346		3188
2347	{	3189	{
2348	my $anims = $facedata->{animinfo};	3190	my $anims = $facedata->{animinfo};
2349		3191
2350	while (my ($anim, $info) = each %$anims) {	3192	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3194	cf::cede_to_tick;
2353	}	3195	}
2354		3196
2355	cf::anim::invalidate_all; # d'oh	3197	cf::anim::invalidate_all; # d'oh
2356	}	3198	}
2357		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
2358	1	3235	1
2359	}	3236	}
2360		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
2361	sub reload_resources {	3305	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3306	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3307
2364	load_facedata	3308	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3309	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3310	reload_regions;
2370	}	3311	reload_treasures;
2371		3312
2372	sub cfg_load {	3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3318	or return;
2375		3319
2376	local $/;	3320	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2378		3322
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3324
2381	$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};
2382	$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};
…		…
2388	};	3332	};
2389	warn $@ if $@;	3333	warn $@ if $@;
2390	}	3334	}
2391	}	3335	}
2392		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
2393	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
2394	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2396	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#
2397	(async {	3374	(async {
2398	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2400	};	3378	};
2401		3379
2402	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2403	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
2404	load_extensions;	3398	load_extensions;
2405		3399
2406	$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
2407	Event::loop;	3408	EV::loop;
2408	}	3409	}
2409		3410
2410	#############################################################################	3411	#############################################################################
2411	# initialisation and cleanup	3412	# initialisation and cleanup
2412		3413
2413	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2414	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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 };
2426	}	3508	}
2427		3509
2428	sub emergency_save() {	3510	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2430		3512
2431	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2432		3514
2433	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
2434	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3529	$pl->save;
2442	}	3530	}
2443	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2444		3532
2445	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3536	$map->valid or next;
2449	$map->save;	3537	$map->save;
2450	}	3538	}
2451	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2452		3540
2453	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2455	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";
2456	};	3548	};
2457		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
2458	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2459	}	3556	}
2460		3557
2461	sub post_cleanup {	3558	sub post_cleanup {
2462	my ($make_core) = @_;	3559	my ($make_core) = @_;
2463		3560
2464	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3562	if $make_core;
2466	}
2467		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 $pkg\n";#d#
		3592	}
		3593
2468	sub reload() {	3594	sub do_reload_perl() {
2469	# can/must only be called in main	3595	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2472	return;	3598	return;
2473	}	3599	}
2474		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2475	warn "reloading...";	3606	warn "reloading...";
2476		3607
2477	warn "entering sync_job";	3608	warn "entering sync_job";
2478		3609
2479	cf::sync_job {	3610	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3612	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2483		3614
2484	warn "syncing database to disk";	3615	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3617
2487	# 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
2488		3619
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3623	}
2525		3624
2526	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2528	}	3627	%EXT_CORO = ();
2529		3628
2530	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3638	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3639
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2541	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2542	}	3649	}
2543		3650
2544	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 $k;
2545	}	3666	}
2546		3667
2547	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2549	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);
2550		3671
2551	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
		3674	delete $INC{"cf/pod.pm"};
2553		3675
2554	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3677	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2557		3679
2558	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2559		3681
2560	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2561	require cf;	3683	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3685
2564	warn "loading config and database again";	3686	warn "loading config and database again";
2565	cf::cfg_load;	3687	cf::reload_config;
2566		3688
2567	warn "loading extensions";	3689	warn "loading extensions";
2568	cf::load_extensions;	3690	cf::load_extensions;
2569		3691
		3692	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
2576		3700
2577	warn "loading reloadable resources";	3701	warn "running post_init jobs";
2578	reload_resources;	3702	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3703
2580	warn "leaving sync_job";	3704	warn "leaving sync_job";
2581		3705
2582	1	3706	1
2583	} or do {	3707	} or do {
2584	warn $@;	3708	warn $@;
2585	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3710	};
		3711
		3712	warn "reloaded";
		3713	--$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	};
2587	};	3733	};
2588		3734	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3735
2594	register_command "reload" => sub {	3736	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2596		3738
2597	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
2599		3741	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3742	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3743	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3744	};
2612	}	3745	}
2613	};	3746	};
2614		3747
2615	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2616		3749
2617	my $bug_warning = 0;	3750	my $bug_warning = 0;
2618		3751
2619	$TICK_WATCHER = Event->timer (	3752	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3753	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3754
2622	prio => 0,	3755	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3756	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3757
2625	cb => sub {	3758	my $signal = new Coro::Signal;
		3759	push @WAIT_FOR_TICK, $signal;
		3760	$signal->wait;
		3761	}
		3762
		3763	sub wait_for_tick_begin {
		3764	return if tick_inhibit || $Coro::current == $Coro::main;
		3765
		3766	my $signal = new Coro::Signal;
		3767	push @WAIT_FOR_TICK_BEGIN, $signal;
		3768	$signal->wait;
		3769	}
		3770
		3771	sub tick {
2626	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2629	return;	3775	return;
2630	}	3776	}
2631		3777
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3779
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3782	Coro::async_pool {
		3783	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3784	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3786	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3787	}
2658	);	3788
		3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3790	$sig->send;
		3791	}
		3792	while (my $sig = shift @WAIT_FOR_TICK) {
		3793	$sig->send;
		3794	}
		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	}
2659		3807
2660	{	3808	{
2661	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3810
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
2671		3812	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3814
2687	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
2688	$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);
2689		3822
2690	cf::sync_job {	3823	cf::sync_job {
2691	eval {	3824	eval {
2692	BDB::db_env_open	3825	BDB::db_env_open
2693	$DB_ENV,	3826	$DB_ENV,
2694	$BDB_ENV_DIR,	3827	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3830	0666;
2698		3831
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3833	};
2704		3834
2705	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3836	};
2707	}	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	};
2708	}	3848	}
2709		3849
2710	{	3850	{
		3851	# configure IO::AIO
		3852
2711	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	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;
2724		3902
2725	END { cf::emergency_save }	3903	END { cf::emergency_save }
2726		3904
2727	1	3905	1
2728		3906

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