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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 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;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		76
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		78
45	our %COMMAND = ();	79	our %COMMAND = ();
46	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
47		81
48	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
52		87
53	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	89	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		90
57	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	92	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	109	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	115	our $DB_ENV;
67		116
68	our %CFG;	117	our %CFG;
69		118
70	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
72		122
73	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		126
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
85	binmode STDOUT;	139	binmode STDOUT;
86	binmode STDERR;	140	binmode STDERR;
87		141
88	# read virtual server time, if available	142	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
93	}	147	}
94		148
95	mkdir cf::localdir;	149	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		151
102	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
103		153
104	sub cf::map::normalise;	154	sub cf::map::normalise;
105		155
…		…
116	=item $cf::RUNTIME	166	=item $cf::RUNTIME
117		167
118	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
119	every server tick.	169	every server tick.
120		170
121	=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
122		174
123	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		179
126	=item $cf::NOW	180	=item $cf::NOW
127		181
128	The time of the last (current) server tick.	182	The time of the last (current) server tick.
129		183
130	=item $cf::TICK	184	=item $cf::TICK
131		185
132	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	198	=item %cf::CFG
135		199
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	201	from wherever your confdir points to.
138		202
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		204
141	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
142	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
143	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.
144	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.
145		214
146	=back	215	=back
147		216
148	=cut	217	=cut
149		218
150	BEGIN {	219	BEGIN {
151	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	221	my $msg = join "", @_;
153	utf8::encode $msg;
154		222
155	$msg .= "\n"	223	$msg .= "\n"
156	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
157		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
158	LOG llevError, $msg;	228	LOG llevError, $msg;
159	};	229	};
160	}	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#?
161		246
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		254
169	# 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
170	# within the Safe compartment.	256	# within the Safe compartment.
171	for my $pkg (qw(	257	for my $pkg (qw(
172	cf::global cf::attachable	258	cf::global cf::attachable
173	cf::object cf::object::player	259	cf::object cf::object::player
174	cf::client cf::player	260	cf::client cf::player
175	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
176	cf::map cf::party cf::region	263	cf::party cf::region
177	)) {	264	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	266	}
181		267
182	$Event::DIED = sub {	268	$EV::DIED = sub {
183	warn "error in event callback: @_";	269	warn "error in event callback: @_";
184	};	270	};
		271
		272	#############################################################################
185		273
186	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
187		275
188	=over 4	276	=over 4
189		277
…		…
208	$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;
209	$d	297	$d
210	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
211	}	299	}
212		300
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
216		302
217	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
218		304
219	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
220		306
221	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	330	=item cf::lock_wait $string
224		331
225	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
226		333
227	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
228		335
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
232	returned.	339	returned.
233		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
234	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
235	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
236		346
237	=cut	347	=item $locked = cf::lock_active $string
238		348
239	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
240		354
241	sub lock_wait($) {	355	sub lock_wait($) {
242	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	357	}
250		358
251	sub lock_acquire($) {	359	sub lock_acquire($) {
252	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
253		362
254	# wait, to be sure we are not locked	363	sub lock_active($) {
255	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	365	}
264		366
265	sub freeze_mainloop {	367	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
267		369
268	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$TICK_WATCHER->stop;	432	};
272	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		536
353	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.
354		541
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
356	or return;
357		543
358	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		546
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
363	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
364		550
365	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	552	reset_signals;
367	and return;	553	&$cb
		554	}, @args;
368		555
369	close $fh	556	wantarray ? @res : $res[-1]
370	or return;	557	}
371		558
372	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
373	and return;
374		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
375	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
376	}	711	}
377		712
378	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
379		714
380	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.
…		…
392		727
393	#############################################################################	728	#############################################################################
394		729
395	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
396		731
397	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
398	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")
399	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
400		735
401	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>
402	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
403	crossfire+).	738	Deliantra).
404		739
405	=over 4	740	=over 4
406		741
407	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
408		743
…		…
452	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
453		788
454	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
456		791
457	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		794
460	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
461		796
462	=over 4	797	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
572		907
573	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		912
578	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	914	my $pkg = shift @arg;
580		915
581	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
611	}	946	}
612		947
613	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
614	} else {	949	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	951	}
617		952
618	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
619	}	954	}
620		955
…		…
622	if (ref $_[0]) {	957	if (ref $_[0]) {
623	_object_attach @_;	958	_object_attach @_;
624	} else {	959	} else {
625	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
626	}	961	}
		962	_recalc_want;
627	};	963	};
628		964
629	# all those should be optimised	965	# all those should be optimised
630	sub cf::attachable::detach {	966	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
635	reattach ($obj);	971	reattach ($obj);
636	} else {	972	} else {
637	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
638	}	974	}
		975	_recalc_want;
639	};	976	};
640		977
641	sub cf::attachable::attached {	978	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
643		980
…		…
658	";	995	";
659	die if $@;	996	die if $@;
660	}	997	}
661		998
662	our $override;	999	our $override;
663	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?
664		1001
665	sub override {	1002	sub override {
666	$override = 1;	1003	$override = 1;
667	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
668	}	1005	}
669		1006
670	sub do_invoke {	1007	sub do_invoke {
671	my $event = shift;	1008	my $event = shift;
672	my $callbacks = shift;	1009	my $callbacks = shift;
673		1010
674	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
675		1012
676	local $override;	1013	local $override;
677		1014
678	for (@$callbacks) {	1015	for (@$callbacks) {
679	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
688	}	1025	}
689		1026
690	0	1027	0
691	}	1028	}
692		1029
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1031
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
698		1035
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1039
703	=back	1040	=back
704		1041
705	=cut	1042	=cut
706		1043
707	#############################################################################	1044	#############################################################################
708	# 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, $ob2
		1087	}
709		1088
710	sub reattach {	1089	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1091	my ($obj) = @_;
713		1092
		1093	# no longer needed after getting rid of delete_package?
714	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
715		1095
716	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
717		1097
718	@$registry = ();	1098	@$registry = ();
719		1099
…		…
734	cf::attachable->attach (	1114	cf::attachable->attach (
735	prio => -1000000,	1115	prio => -1000000,
736	on_instantiate => sub {	1116	on_instantiate => sub {
737	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
738		1118
739	$data = from_json $data;	1119	$data = decode_json $data;
740		1120
741	for (@$data) {	1121	for (@$data) {
742	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
743		1123
744	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1140	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
762		1142
763	sync_job {	1143	sync_job {
764	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
767		1148
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1153	aio_close $fh;
773		1154
774	if (@$objs) {	1155	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1161	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
782	}	1163	}
783	} else {	1164	} else {
784	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
785	}	1166	}
786		1167
787	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1172	} else {
789	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
790	}	1174	}
791	} else {	1175	} else {
792	aio_unlink $filename;	1176	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
794	}	1178	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
812	or return;	1196	or return;
813		1197
814	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
816	or return;	1200	or return;
		1201
817	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
818	}	1204	}
819		1205
		1206	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
822	return ($data, $av);	1210	($data, $av)
823	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
824		1218
825	#############################################################################	1219	#############################################################################
826	# command handling &c	1220	# command handling &c
827		1221
828	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1236	}
843		1237
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1239
846	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.
847		1245
848	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
849	called.	1247	called.
850		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
851	=cut	1260	=cut
852		1261
853	sub register_extcmd {	1262	sub register_extcmd {
854	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
855		1264
856	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
857	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
858		1275
859	cf::player->attach (	1276	cf::player->attach (
860	on_command => sub {	1277	on_command => sub {
861	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
862		1279
…		…
870	cf::override;	1287	cf::override;
871	},	1288	},
872	on_extcmd => sub {	1289	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
874		1291
875	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1293
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
883	} else {	1309	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1311	}
886		1312
887	cf::override;	1313	cf::override;
888	},	1314	},
889	);	1315	);
890		1316
		1317	# "readahead" all extensions
891	sub load_extension {	1318	sub cache_extensions {
892	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
893		1320
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1324	}
919	die $@;
920	}	1325	};
921		1326
922	push @EXTS, $pkg;	1327	$grp
923	}	1328	}
924		1329
925	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
926	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1335	next unless -r $path;
928	eval {	1336
929	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	$progress = 1;
930	1	1393	}
931	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
932	}	1399	};
933	}	1400	}
934		1401
935	#############################################################################	1402	#############################################################################
936		1403
		1404	=back
		1405
937	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
938		1407
939	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
940		1409
941	=cut	1410	=cut
942		1411
943	package cf::player;	1412	package cf::player;
944		1413
…		…
946		1415
947	=head3 cf::player	1416	=head3 cf::player
948		1417
949	=over 4	1418	=over 4
950		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
951	=item cf::player::find $login	1434	=item cf::player::find $login
952		1435
953	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
954		1437
955	=cut	1438	=cut
956		1439
957	sub playerdir($) {	1440	sub playerdir($) {
958	cf::localdir	1441	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1443	}
964		1444
965	sub path($) {	1445	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1447
968	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
969	}	1449	}
970		1450
971	sub find_active($) {	1451	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
976		1456
977	sub exists($) {	1457	sub exists($) {
978	my ($login) = @_;	1458	my ($login) = @_;
979		1459
980	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
982	}	1462	}
983		1463
984	sub find($) {	1464	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1466	my $login = $_[0];
987		1467
988	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
989		1469
990	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
994	}	1487	}
995	}	1488	}
996	}	1489	}
997		1490
…		…
1006	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1007		1500
1008	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1010		1503
		1504	cf::get_slot 0.01;
		1505
1011	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1012	Coro::cede;	1507	cf::cede_to_tick;
1013	}	1508	}
1014		1509
1015	sub new($) {	1510	sub new($) {
1016	my ($login) = @_;	1511	my ($login) = @_;
1017		1512
…		…
1023	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1024		1519
1025	$self	1520	$self
1026	}	1521	}
1027		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
1028	=item $pl->quit_character	1533	=item $pl->quit_character
1029		1534
1030	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1032		1537
…		…
1036	my ($pl) = @_;	1541	my ($pl) = @_;
1037		1542
1038	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1039		1544
1040	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1041	$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
1042		1547
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1047		1554
1048	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1080		1587
1081	=cut	1588	=cut
1082		1589
1083	sub list_logins {	1590	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1592	or return [];
1086		1593
1087	my @logins;	1594	my @logins;
1088		1595
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1093		1606
1094	utf8::decode $login;	1607	utf8::decode $login;
1095	push @logins, $login;	1608	push @logins, $login;
1096	}	1609	}
1097		1610
…		…
1124	}	1637	}
1125		1638
1126	\@paths	1639	\@paths
1127	}	1640	}
1128		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1129	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1130		1647
1131	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1132		1649
1133	=cut	1650	=cut
1134		1651
1135	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1137		1654
1138	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1656	}
1142		1657
1143	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1144		1659
1145	Sends an ext event to the client.	1660	Sends an ext event to the client.
1146		1661
1147	=cut	1662	=cut
1148		1663
1149	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1151		1666
1152	delete $msg{msgid};	1667	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1668	}
1158		1669
1159	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	}
1160		1698
1161	=back	1699	=back
1162
1163		1700
1164	=head3 cf::map	1701	=head3 cf::map
1165		1702
1166	=over 4	1703	=over 4
1167		1704
…		…
1179	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1181		1718
1182	sub generate_random_map {	1719	sub generate_random_map {
1183	my ($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
1184	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1725	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1223		1763
1224	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1225	local $self->{path};	1765	local $self->{path};
1226	local $self->{load_path};	1766	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1767
1230	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1231	}	1769	}
1232		1770
1233	sub normalise {	1771	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1281	return $self;	1819	return $self;
1282	}	1820	}
1283	}	1821	}
1284		1822
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1824	()
1287	}	1825	}
1288		1826
1289	sub init {	1827	sub init {
1290	my ($self) = @_;	1828	my ($self) = @_;
…		…
1305		1843
1306	# the original (read-only) location	1844	# the original (read-only) location
1307	sub load_path {	1845	sub load_path {
1308	my ($self) = @_;	1846	my ($self) = @_;
1309		1847
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1311	}	1849	}
1312		1850
1313	# the temporary/swap location	1851	# the temporary/swap location
1314	sub save_path {	1852	sub save_path {
1315	my ($self) = @_;	1853	my ($self) = @_;
1316		1854
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1319	}	1857	}
1320		1858
1321	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1322	sub uniq_path {	1860	sub uniq_path {
1323	my ($self) = @_;	1861	my ($self) = @_;
1324		1862
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1327	}	1865	}
1328		1866
1329	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1330	# all maps in C++...	1868	# all maps in C++...
1331	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1333		1871
1334	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1336	}	1874	}
1337		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1338	sub unlink_save {	1884	sub unlink_save {
1339	my ($self) = @_;	1885	my ($self) = @_;
1340		1886
1341	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1891
1346	sub load_header_from($) {	1892	sub load_header_from($) {
1347	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1348		1894
1349	utf8::encode $path;	1895	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1355		1904
1356	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1357		1906
1358	1	1907	1
1359	}	1908	}
…		…
1398	$self->load_header_orig	1947	$self->load_header_orig
1399	or return;	1948	or return;
1400	$self->prepare_orig;	1949	$self->prepare_orig;
1401	}	1950	}
1402		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1403	1	1958	1
1404	}	1959	}
1405		1960
1406	sub find;	1961	sub find;
1407	sub find {	1962	sub find {
1408	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1409		1964
1410	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1411		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1413		1969
1414	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1417	or return;	1972	or return;
1418		1973
1419	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1420		1975
1421	$map->load_header	1976	$map->load_header
1422	or return;	1977	or return;
1423		1978
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1427	$map->reset;	1984	$map->reset;
1428	undef $guard;
1429	return find $path;	1985	return find $path;
1430	}	1986	}
1431		1987
1432	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1433	}	1989	}
…		…
1440	my ($self) = @_;	1996	my ($self) = @_;
1441		1997
1442	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1443		1999
1444	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1446		2004
		2005	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2007
1449	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1450		2009
1451	$self->alloc;	2010	$self->alloc;
1452		2011
1453	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1454		2014
1455	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1456	or return;	2018	or return;
1457		2019
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1459	if delete $self->{load_original};	2021	if delete $self->{load_original};
1460		2022
1461	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2024	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2027	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1466	}	2031	}
1467	}	2032	}
1468		2033
1469	Coro::cede;	2034	$f->resolve_delayed_derefs;
1470		2035
		2036	cf::cede_to_tick;
1471	# now do the right thing for maps	2037	# now do the right thing for maps
1472	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2040	unless $self->difficulty;
1482	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1483	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2057	}
1485		2058
1486	$self->post_load;	2059	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2060	}
1490		2061
1491	sub customise_for {	2062	sub customise_for {
1492	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1493		2064
1494	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2066	if $self->per_player;
1496		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1497	$self	2071	$self
1498	}	2072	}
1499		2073
1500	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2075	sub load_neighbours {
1502	my ($map) = @_;	2076	my ($map) = @_;
1503		2077
1504	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1505		2079
1506	for (0 .. 3) {	2080	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1508	or next;	2082	or next;
1509	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1510	or next;	2084	or next;
1511	$neigh->load;	2085	$neigh->load;
1512		2086
		2087	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2090	}
1516		2091
1517	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1519	or next;	2095	or next;
1520	$neigh->load;	2096	$neigh->load;
1521	}	2097	}
1522	}	2098	}
1523		2099
…		…
1528	}	2104	}
1529		2105
1530	sub do_load_sync {	2106	sub do_load_sync {
1531	my ($map) = @_;	2107	my ($map) = @_;
1532		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1533	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1534	}	2113	}
1535		2114
1536	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1538		2117
1539	sub find_async {	2118	sub find_async {
1540	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1541		2120
1542	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1543		2122
1544	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2125	}
1547		2126
1548	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1549	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1550	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2134	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2135	$map->load if $v;
		2136	}
1555		2137
1556	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1557	}	2139	}
1558	}	2140	}
1559	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1560	};	2142	};
1561	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2146	}
1565		2147
1566	sub save {	2148	sub save {
1567	my ($self) = @_;	2149	my ($self) = @_;
1568		2150
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2152
1571	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1572		2154
1573	return unless $self->dirty;	2155	return unless $self->dirty;
1574		2156
…		…
1580	return if $self->{deny_save};	2162	return if $self->{deny_save};
1581		2163
1582	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1583		2165
1584	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1586	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1587		2172
1588	if ($uniq) {	2173	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2176	} else {
…		…
1597	my ($self) = @_;	2182	my ($self) = @_;
1598		2183
1599	# save first because save cedes	2184	# save first because save cedes
1600	$self->save;	2185	$self->save;
1601		2186
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2188
1604	return if $self->players;	2189	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2191	return if $self->{deny_save};
1607		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2197	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2198	}
1611		2199
1612	sub reset_at {	2200	sub reset_at {
1613	my ($self) = @_;	2201	my ($self) = @_;
1614		2202
1615	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1618		2205
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2208
…		…
1632	my ($self) = @_;	2219	my ($self) = @_;
1633		2220
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2222
1636	return if $self->players;	2223	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2224
1639	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1640		2226
1641	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1642		2228
1643	# need to save uniques path	2229	# need to save uniques path
1644	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2234	if $uniq;
1649	}	2235	}
1650		2236
1651	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1652		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2241	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2242
1657	$self->unlink_save;	2243	$self->unlink_save;
1658	$self->destroy;	2244	$self->destroy;
1659	}	2245	}
1660		2246
1661	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1662		2248
1663	sub nuke {	2249	sub nuke {
1664	my ($self) = @_;	2250	my ($self) = @_;
1665		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1666	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1667		2256
1668	$self->unlink_save;	2257	$self->unlink_save;
1669		2258
1670	bless $self, "cf::map";	2259	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2264
1676	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1677		2267
1678	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1679	}	2305	}
1680		2306
1681	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1682		2308
1683	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2310	instantiated unique items. May block.
1685		2311
1686	=cut	2312	=cut
1687		2313
1688	sub unique_maps() {	2314	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1690	or return;	2316	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2317	utf8::decode $_;
1696	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2320	? ()
1699	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2323	]
1701
1702	\@paths
1703	}	2324	}
1704
1705	package cf;
1706		2325
1707	=back	2326	=back
1708		2327
1709	=head3 cf::object	2328	=head3 cf::object
1710		2329
…		…
1714		2333
1715	=over 4	2334	=over 4
1716		2335
1717	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1718		2337
1719	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1720		2340
1721	=cut	2341	=cut
1722		2342
1723	sub inv_recursive_;	2343	sub inv_recursive_;
1724	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1727		2347
1728	sub inv_recursive {	2348	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1730	}	2350	}
1731		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1732	package cf;	2380	package cf;
1733		2381
1734	=back	2382	=back
1735		2383
1736	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1745		2393
1746	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1747		2409
1748	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2411	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1753		2415
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2417
1756	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1758	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1761	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1762	}	2443	}
1763		2444
1764	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1765		2446
1766	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1779		2460
1780	=item $player_object->enter_link	2461	=item $player_object->enter_link
1781		2462
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2464
1784	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1786		2469
1787	Will never block.	2470	Will never block.
1788		2471
1789	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1790		2473
…		…
1813	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1814		2497
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2499
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1819		2502
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2504	}
1822		2505
1823	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1825		2510
1826	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1827		2512
1828	unless ($map) {	2513	unless ($map) {
1829	# restore original map position	2514	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1846		2531
1847	$map->load;	2532	$map->load;
1848	$map->load_diag;	2533	$map->load_neighbours;
1849		2534
1850	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1851	$self->activate_recursive;	2537	$self->activate_recursive;
1852		2538
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1855	}	2541	}
1856		2542
1857	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2544
1861	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1865	};	2549	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2550
1871	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1872	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2553
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1892		2557
1893	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2563
1896	$self->enter_link;	2564	$self->enter_link;
1897		2565
1898	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1899	my $map = eval {	2588	my $map = eval {
1900	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1902	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2604	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1907	})->prio (1);	2612	})->prio (1);
1908	}	2613	}
1909		2614
1910	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1911		2616
…		…
1931	}	2636	}
1932		2637
1933	sub prepare_random_map {	2638	sub prepare_random_map {
1934	my ($exit) = @_;	2639	my ($exit) = @_;
1935		2640
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2643	# that depends on the exit object
1941		2644
1942	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2647	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1949	}	2654	}
1950		2655
1951	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1952		2657
1953	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1956		2661
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2664	undef $fh;
1960	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1961		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1964	}	2673	}
1965	}	2674	}
1966		2675
1967	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1969		2678
1970	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1971		2680
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2681	$self->enter_link;
1982		2682
1983	(async {	2683	(async {
1984	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1985	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1986	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1987		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1988	1;	2707	1
1989	}) {	2708	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2713
1995	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2715	$self->leave_link;
1997	}	2716	}
1998	})->prio (1);	2717	})->prio (1);
…		…
2014		2733
2015	utf8::encode $text;	2734	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2736	}
2018		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
2019		2923
2020	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2021		2925
2022	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2929
2026	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2931	become reliable at some point in the future.
2028		2932
2029	=cut	2933	=cut
2030		2934
2031	sub cf::client::query {	2935	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2944	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2946
2043	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2045	}	2951	}
2046		2952
2047	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2048	on_reply => sub {	2959	on_reply => sub {
2049	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2050		2961
2051	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2052	# get handled first	2963	# get handled first
…		…
2064	} else {	2975	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2977	}
2067	}	2978	}
2068	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2069	);	3006	);
2070		3007
2071	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2072		3009
2073	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2116		3053
2117	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2118		3055
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2120		3061
2121	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2122		3063
2123	=pod	3064	=pod
2124		3065
2125	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2126		3067
2127	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2128	cf::object::player player	3072	cf::object::player
2129	cf::player peaceful	3073	player
2130	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2131		3080
2132	=cut	3081	=cut
2133		3082
2134	for (	3083	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2136	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2139	) {	3090	) {
2140	no strict 'refs';	3091	no strict 'refs';
…		…
2211	=back	3162	=back
2212		3163
2213	=cut	3164	=cut
2214		3165
2215	#############################################################################	3166	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3167	# the server's init and main functions
2289		3168
2290	sub load_facedata {	3169	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3177
2293	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2294		3179
2295	my $faces;	3180	my $facedata;
2296	0 < aio_load $path, $faces	3181	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3182	or die "$path: $!";
2298		3183
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3184	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3185
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3186	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
2307	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
2315	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2317	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2318	or next;	3214	or next;
		3215
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3219	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3221	}
2324	Coro::cede;	3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
2325	}	3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3272
2327	1	3273	1
2328	}	3274	}
2329		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
		3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
2330	sub reload_resources {	3343	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3344	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3345
2333	load_facedata	3346	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3347	reload_archetypes;
2335	}
2336
2337	sub init {
2338	reload_resources;	3348	reload_regions;
2339	}	3349	reload_treasures;
2340		3350
2341	sub cfg_load {	3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3356	or return;
2344		3357
2345	local $/;	3358	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2347		3360
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3362
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2357	};	3370	};
2358	warn $@ if $@;	3371	warn $@ if $@;
2359	}	3372	}
2360	}	3373	}
2361		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2362	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
2363	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3412	(async {
2367	Event::one_event;	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3414	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
2369	};	3416	};
2370		3417
2371	cfg_load;	3418	evthread_start IO::AIO::poll_fileno;
		3419
		3420	cf::sync_job {
		3421	reload_resources;
		3422	reload_config;
2372	db_init;	3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
2373	load_extensions;	3436	load_extensions;
2374		3437
2375	$TICK_WATCHER->start;	3438	utime time, time, $RUNTIMEFILE;
		3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
		3444	};
		3445
2376	Event::loop;	3446	EV::loop;
2377	}	3447	}
2378		3448
2379	#############################################################################	3449	#############################################################################
2380	# initialisation and cleanup	3450	# initialisation and cleanup
2381		3451
2382	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2383	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2392	},
2393	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2394	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
		3520	$uuid_skip = 0;
		3521
		3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3523	and return;
		3524
		3525	# always fsync - this file is important
		3526	aio_fsync $fh
		3527	and return;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$uuid~", $uuid
		3533	and return;
		3534
		3535	warn "uuid file written ($value).\n";
		3536
		3537	1
		3538
		3539	}
		3540
		3541	sub write_uuid($$) {
		3542	my ($skip, $sync) = @_;
		3543
		3544	$sync ? write_uuid_sync $skip
		3545	: async { write_uuid_sync $skip };
2395	}	3546	}
2396		3547
2397	sub emergency_save() {	3548	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
2399		3550
2400	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
2401		3552
2402	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
2403	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3565	$pl->valid or next;
		3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3567	$pl->save;
2411	}	3568	}
2412	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
2413		3570
2414	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3574	$map->valid or next;
2418	$map->save;	3575	$map->save;
2419	}	3576	}
2420	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
2421		3578
2422	warn "begin emergency database checkpoint\n";	3579	warn "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3580	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3581	warn "emergency_perl_save: end database checkpoint\n";
		3582
		3583	warn "emergency_perl_save: begin write uuid\n";
		3584	write_uuid_sync 1;
		3585	warn "emergency_perl_save: end write uuid\n";
2425	};	3586	};
2426		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
2427	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
2428	}	3594	}
2429		3595
2430	sub post_cleanup {	3596	sub post_cleanup {
2431	my ($make_core) = @_;	3597	my ($make_core) = @_;
2432		3598
2433	warn Carp::longmess "post_cleanup backtrace"	3599	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3600	if $make_core;
2435	}
2436		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
		3630	}
		3631
2437	sub reload() {	3632	sub do_reload_perl() {
2438	# can/must only be called in main	3633	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
2441	return;	3636	return;
2442	}	3637	}
2443		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
2444	warn "reloading...";	3644	warn "reloading...";
2445		3645
2446	warn "entering sync_job";	3646	warn "entering sync_job";
2447		3647
2448	cf::sync_job {	3648	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3650	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2452		3652
2453	warn "syncing database to disk";	3653	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3655
2456	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2457		3657
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2469	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();
2477
2478	warn "removing commands";
2479	%COMMAND = ();
2480
2481	warn "removing ext commands";
2482	%EXTCMD = ();
2483
2484	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";
2487
2488	if (my $cb = $pkg->can ("unload")) {
2489	eval {
2490	$cb->($pkg);
2491	1
2492	} or warn "$pkg unloaded, but with errors: $@";
2493	}	3661	}
2494		3662
2495	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2496	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2497	}	3665	%EXT_CORO = ();
2498		3666
2499	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2500	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2503	warn "... unloading $k";	3676	warn "... unloading $pkg";
2504	delete $INC{$k};
2505		3677
2506	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;
2508
2509	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2510	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2511	}	3687	}
2512		3688
2513	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2514	}	3704	}
2515		3705
2516	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3709
2520	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2522		3713
2523	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3715	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2526		3717
2527	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2528		3719
2529	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2530	require cf;	3721	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3723
2533	warn "loading config and database again";	3724	warn "loading config and database again";
2534	cf::cfg_load;	3725	cf::reload_config;
2535		3726
2536	warn "loading extensions";	3727	warn "loading extensions";
2537	cf::load_extensions;	3728	cf::load_extensions;
2538		3729
		3730	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3732	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3735	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3736	reattach $_ for values %PLAYER;
		3737	}
2545		3738
2546	warn "loading reloadable resources";	3739	warn "running post_init jobs";
2547	reload_resources;	3740	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3741
2549	warn "leaving sync_job";	3742	warn "leaving sync_job";
2550		3743
2551	1	3744	1
2552	} or do {	3745	} or do {
2553	warn $@;	3746	warn $@;
2554	warn "error while reloading, exiting.";	3747	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3748	};
		3749
		3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
		3756	};
		3757
		3758	our $RELOAD_WATCHER; # used only during reload
		3759
		3760	sub reload_perl() {
		3761	# doing reload synchronously and two reloads happen back-to-back,
		3762	# coro crashes during coro_state_free->destroy here.
		3763
		3764	$RELOAD_WATCHER ||= cf::async {
		3765	Coro::AIO::aio_wait cache_extensions;
		3766
		3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3768	do_reload_perl;
		3769	undef $RELOAD_WATCHER;
		3770	};
2556	};	3771	};
2557		3772	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3773
2563	register_command "reload" => sub {	3774	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
2565		3776
2566	if ($who->flag (FLAG_WIZ)) {	3777	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3778	$who->message ("reloading server.");
2568		3779	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3780	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3781	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3782	};
2581	}	3783	}
2582	};	3784	};
2583		3785
2584	unshift @INC, $LIBDIR;	3786	unshift @INC, $LIBDIR;
2585		3787
2586	my $bug_warning = 0;	3788	my $bug_warning = 0;
2587		3789
2588	$TICK_WATCHER = Event->timer (	3790	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3791	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3792
2591	prio => 0,	3793	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3794	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3795
2594	cb => sub {	3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub wait_for_tick_begin {
		3802	return if tick_inhibit || $Coro::current == $Coro::main;
		3803
		3804	my $signal = new Coro::Signal;
		3805	push @WAIT_FOR_TICK_BEGIN, $signal;
		3806	$signal->wait;
		3807	}
		3808
		3809	sub tick {
2595	if ($Coro::current != $Coro::main) {	3810	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3811	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3812	unless ++$bug_warning > 10;
2598	return;	3813	return;
2599	}	3814	}
2600		3815
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3816	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3817
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3818	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3819	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3820	Coro::async_pool {
		3821	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3822	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3823	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3824	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3825	}
2627	);	3826
		3827	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3828	$sig->send;
		3829	}
		3830	while (my $sig = shift @WAIT_FOR_TICK) {
		3831	$sig->send;
		3832	}
		3833
		3834	$LOAD = ($NOW - $TICK_START) / $TICK;
		3835	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3836
		3837	if (0) {
		3838	if ($NEXT_TICK) {
		3839	my $jitter = $TICK_START - $NEXT_TICK;
		3840	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3841	warn "jitter $JITTER\n";#d#
		3842	}
		3843	}
		3844	}
2628		3845
2629	{	3846	{
2630	BDB::max_poll_time $TICK * 0.1;	3847	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3848
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3849	BDB::min_parallel 8;
2640		3850	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3851	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3852
2656	unless ($DB_ENV) {	3853	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3854	$DB_ENV = BDB::db_env_create;
		3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3860
2659	cf::sync_job {	3861	cf::sync_job {
2660	eval {	3862	eval {
2661	BDB::db_env_open	3863	BDB::db_env_open
2662	$DB_ENV,	3864	$DB_ENV,
2663	$BDB_ENV_DIR,	3865	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3866	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3867	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3868	0666;
2667		3869
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3870	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3871	};
2673		3872
2674	cf::cleanup "db_env_open(db): $@" if $@;	3873	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3874	};
2676	}	3875	}
		3876
		3877	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3878	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3879	};
		3880	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3881	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3882	};
		3883	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3884	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3885	};
2677	}	3886	}
2678		3887
2679	{	3888	{
		3889	# configure IO::AIO
		3890
2680	IO::AIO::min_parallel 8;	3891	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3892	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3893	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3894	}
		3895
		3896	my $_log_backtrace;
		3897
		3898	sub _log_backtrace {
		3899	my ($msg, @addr) = @_;
		3900
		3901	$msg =~ s/\n//;
		3902
		3903	# limit the # of concurrent backtraces
		3904	if ($_log_backtrace < 2) {
		3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
		3907	async {
		3908	$Coro::current->{desc} = "abt $msg";
		3909
		3910	my @bt = fork_call {
		3911	@addr = map { sprintf "%x", $_ } @addr;
		3912	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3913	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3914	or die "addr2line: $!";
		3915
		3916	my @funcs;
		3917	my @res = <$fh>;
		3918	chomp for @res;
		3919	while (@res) {
		3920	my ($func, $line) = splice @res, 0, 2, ();
		3921	push @funcs, "[$func] $line";
		3922	}
		3923
		3924	@funcs
		3925	};
		3926
		3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3929	LOG llevInfo, "[ABT] $_\n" for @bt;
		3930	--$_log_backtrace;
		3931	};
		3932	} else {
		3933	LOG llevInfo, "[ABT] $msg\n";
		3934	LOG llevInfo, "[ABT] [suppressed]\n";
		3935	}
		3936	}
		3937
		3938	# load additional modules
		3939	use cf::pod;
2693		3940
2694	END { cf::emergency_save }	3941	END { cf::emergency_save }
2695		3942
2696	1	3943	1
2697		3944

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