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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		71
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		73
45	our %COMMAND = ();	74	our %COMMAND = ();
46	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
47		76
48	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
52		82
53	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
54	our @EVENT;	84	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		85
57	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	87	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	101	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	107	our $DB_ENV;
67		108
68	our %CFG;	109	our %CFG;
69		110
70	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
72		114
73	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	117	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		118
82	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
85	binmode STDOUT;	127	binmode STDOUT;
86	binmode STDERR;	128	binmode STDERR;
87		129
88	# read virtual server time, if available	130	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
93	}	135	}
94		136
95	mkdir cf::localdir;	137	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	138	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		139
102	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
103		141
104	sub cf::map::normalise;	142	sub cf::map::normalise;
105		143
…		…
116	=item $cf::RUNTIME	154	=item $cf::RUNTIME
117		155
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	157	every server tick.
120		158
121	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		162
123	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
125		167
126	=item $cf::NOW	168	=item $cf::NOW
127		169
128	The time of the last (current) server tick.	170	The time of the last (current) server tick.
129		171
130	=item $cf::TICK	172	=item $cf::TICK
131		173
132	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
133		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
134	=item %cf::CFG	186	=item %cf::CFG
135		187
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	189	from wherever your confdir points to.
138		190
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		192
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	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	194	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	195	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.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
145		202
146	=back	203	=back
147		204
148	=cut	205	=cut
149		206
150	BEGIN {	207	BEGIN {
151	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	209	my $msg = join "", @_;
153	utf8::encode $msg;
154		210
155	$msg .= "\n"	211	$msg .= "\n"
156	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
157		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
158	LOG llevError, $msg;	216	LOG llevError, $msg;
159	};	217	};
160	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
161		234
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		242
169	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	244	# within the Safe compartment.
171	for my $pkg (qw(	245	for my $pkg (qw(
172	cf::global cf::attachable	246	cf::global cf::attachable
173	cf::object cf::object::player	247	cf::object cf::object::player
174	cf::client cf::player	248	cf::client cf::player
175	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
176	cf::map cf::party cf::region	251	cf::party cf::region
177	)) {	252	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	254	}
181		255
182	$Event::DIED = sub {	256	$EV::DIED = sub {
183	warn "error in event callback: @_";	257	warn "error in event callback: @_";
184	};	258	};
		259
		260	#############################################################################
185		261
186	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
187		263
188	=over 4	264	=over 4
189		265
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	285	$d
210	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
211	}	287	}
212		288
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
216		290
217	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
218		292
219	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
220		294
221	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
222		303
223	=item cf::lock_wait $string	304	=item cf::lock_wait $string
224		305
225	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
226		307
…		…
229	Wait until the given lock is available and then acquires it and returns	310	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,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
232	returned.	313	returned.
233		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
234	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
236		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
237	=cut	325	=cut
238		326
239	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
240		329
241	sub lock_wait($) {	330	sub lock_wait($) {
242	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
243		337
244	# wait for lock, if any	338	# wait for lock, if any
245	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	341	Coro::schedule;
…		…
253		347
254	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
255	lock_wait $key;	349	lock_wait $key;
256		350
257	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
258		353
259	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
262	}	358	}
263	}	359	}
264		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		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	Coro::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.
…		…
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
…		…
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	}
…		…
790	}	1171	}
791	} else {	1172	} else {
792	aio_unlink $filename;	1173	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
794	}	1175	}
795	}	1176	};
796	}	1177	}
797		1178
798	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
800		1181
…		…
812	or return;	1193	or return;
813		1194
814	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
816	or return;	1197	or return;
		1198
817	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
818	}	1201	}
819		1202
		1203	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
822	return ($data, $av);	1207	($data, $av)
823	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
824		1215
825	#############################################################################	1216	#############################################################################
826	# command handling &c	1217	# command handling &c
827		1218
828	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1233	}
843		1234
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1236
846	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
847		1242
848	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
849	called.	1244	called.
850		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
851	=cut	1257	=cut
852		1258
853	sub register_extcmd {	1259	sub register_extcmd {
854	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
855		1261
856	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
857	}	1269	}
858		1270
859	cf::player->attach (	1271	cf::player->attach (
860	on_command => sub {	1272	on_command => sub {
861	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1282	cf::override;
871	},	1283	},
872	on_extcmd => sub {	1284	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
874		1286
875	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1288
877	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
883	} else {	1304	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1306	}
886		1307
887	cf::override;	1308	cf::override;
888	},	1309	},
889	);	1310	);
890		1311
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
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	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
926	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1317	next unless -r $path;
928	eval {	1318
929	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
930	1	1375	}
931	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
932	}	1381	};
933	}	1382	}
934		1383
935	#############################################################################	1384	#############################################################################
936		1385
		1386	=back
		1387
937	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
938		1389
939	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
940		1391
941	=cut	1392	=cut
…		…
946		1397
947	=head3 cf::player	1398	=head3 cf::player
948		1399
949	=over 4	1400	=over 4
950		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
951	=item cf::player::find $login	1416	=item cf::player::find $login
952		1417
953	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
954		1419
955	=cut	1420	=cut
956		1421
957	sub playerdir($) {	1422	sub playerdir($) {
958	cf::localdir	1423	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1425	}
964		1426
965	sub path($) {	1427	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
997		1459
998	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
999	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1001	}	1469	}
1002	}	1470	}
1003	}	1471	}
1004		1472
…		…
1013	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1014		1482
1015	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1017		1485
		1486	cf::get_slot 0.01;
		1487
1018	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1019	Coro::cede;	1489	cf::cede_to_tick;
1020	}	1490	}
1021		1491
1022	sub new($) {	1492	sub new($) {
1023	my ($login) = @_;	1493	my ($login) = @_;
1024		1494
…		…
1030	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1031		1501
1032	$self	1502	$self
1033	}	1503	}
1034		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1035	=item $pl->quit_character	1515	=item $pl->quit_character
1036		1516
1037	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1039		1519
…		…
1043	my ($pl) = @_;	1523	my ($pl) = @_;
1044		1524
1045	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1046		1526
1047	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1529
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1054		1536
1055	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1087		1569
1088	=cut	1570	=cut
1089		1571
1090	sub list_logins {	1572	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1574	or return [];
1093		1575
1094	my @logins;	1576	my @logins;
1095		1577
1096	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1100		1588
1101	utf8::decode $login;	1589	utf8::decode $login;
1102	push @logins, $login;	1590	push @logins, $login;
1103	}	1591	}
1104		1592
…		…
1131	}	1619	}
1132		1620
1133	\@paths	1621	\@paths
1134	}	1622	}
1135		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1136	=item $player->ext_reply ($msgid, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1137		1720
1138	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1139		1722
1140	=cut	1723	=cut
1141		1724
1142	sub ext_reply($$%) {	1725	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1144		1727
1145	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1729	}
1149		1730
1150	=item $player->ext_event ($type, %msg)	1731	=item $player->ext_msg ($type, @msg)
1151		1732
1152	Sends an ext event to the client.	1733	Sends an ext event to the client.
1153		1734
1154	=cut	1735	=cut
1155		1736
1156	sub ext_event($$%) {	1737	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1738	my ($self, $type, @msg) = @_;
1158		1739
1159	$self->ns->ext_event ($type, %msg);	1740	$self->ns->ext_msg ($type, @msg);
1160	}	1741	}
1161		1742
1162	package cf;	1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1163		1771
1164	=back	1772	=back
1165
1166		1773
1167	=head3 cf::map	1774	=head3 cf::map
1168		1775
1169	=over 4	1776	=over 4
1170		1777
…		…
1182	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1184		1791
1185	sub generate_random_map {	1792	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1187	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1798	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1226		1836
1227	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1228	local $self->{path};	1838	local $self->{path};
1229	local $self->{load_path};	1839	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1840
1233	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1234	}	1842	}
1235		1843
1236	sub normalise {	1844	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1284	return $self;	1892	return $self;
1285	}	1893	}
1286	}	1894	}
1287		1895
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1897	()
1290	}	1898	}
1291		1899
1292	sub init {	1900	sub init {
1293	my ($self) = @_;	1901	my ($self) = @_;
…		…
1308		1916
1309	# the original (read-only) location	1917	# the original (read-only) location
1310	sub load_path {	1918	sub load_path {
1311	my ($self) = @_;	1919	my ($self) = @_;
1312		1920
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1314	}	1922	}
1315		1923
1316	# the temporary/swap location	1924	# the temporary/swap location
1317	sub save_path {	1925	sub save_path {
1318	my ($self) = @_;	1926	my ($self) = @_;
1319		1927
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1322	}	1930	}
1323		1931
1324	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1325	sub uniq_path {	1933	sub uniq_path {
1326	my ($self) = @_;	1934	my ($self) = @_;
1327		1935
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1330	}	1938	}
1331		1939
1332	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1333	# all maps in C++...	1941	# all maps in C++...
1334	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1336		1944
1337	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1339	}	1947	}
1340		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1341	sub unlink_save {	1957	sub unlink_save {
1342	my ($self) = @_;	1958	my ($self) = @_;
1343		1959
1344	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1964
1349	sub load_header_from($) {	1965	sub load_header_from($) {
1350	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1351		1967
1352	utf8::encode $path;	1968	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1358		1977
1359	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1360		1979
1361	1	1980	1
1362	}	1981	}
…		…
1401	$self->load_header_orig	2020	$self->load_header_orig
1402	or return;	2021	or return;
1403	$self->prepare_orig;	2022	$self->prepare_orig;
1404	}	2023	}
1405		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1406	1	2031	1
1407	}	2032	}
1408		2033
1409	sub find;	2034	sub find;
1410	sub find {	2035	sub find {
1411	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1412		2037
1413	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1414		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1416		2042
1417	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1419	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1420	or return;	2048	or return;
1421		2049
1422	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1423		2051
1424	$map->load_header	2052	$map->load_header
1425	or return;	2053	or return;
1426		2054
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1430	$map->reset;	2060	$map->reset;
1431	undef $guard;
1432	return find $path;	2061	return find $path;
1433	}	2062	}
1434		2063
1435	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1436	}	2065	}
…		…
1443	my ($self) = @_;	2072	my ($self) = @_;
1444		2073
1445	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1446		2075
1447	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1449		2080
		2081	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2083
1452	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1453		2085
1454	$self->alloc;	2086	$self->alloc;
1455		2087
1456	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1457		2090
1458	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1459	or return;	2094	or return;
1460		2095
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1462	if delete $self->{load_original};	2097	if delete $self->{load_original};
1463		2098
1464	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2100	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2103	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1469	}	2107	}
1470	}	2108	}
1471		2109
1472	Coro::cede;	2110	$f->resolve_delayed_derefs;
1473		2111
		2112	cf::cede_to_tick;
1474	# now do the right thing for maps	2113	# now do the right thing for maps
1475	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2116	unless $self->difficulty;
1485	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1486	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2133	}
1488		2134
1489	$self->post_load;	2135	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2136	}
1493		2137
1494	sub customise_for {	2138	sub customise_for {
1495	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1496		2140
1497	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2142	if $self->per_player;
1499		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1500	$self	2147	$self
1501	}	2148	}
1502		2149
1503	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2151	sub load_neighbours {
1505	my ($map) = @_;	2152	my ($map) = @_;
1506		2153
1507	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1508		2155
1509	for (0 .. 3) {	2156	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1511	or next;	2158	or next;
1512	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1513	or next;	2160	or next;
1514	$neigh->load;	2161	$neigh->load;
1515		2162
		2163	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2166	}
1519		2167
1520	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1522	or next;	2171	or next;
1523	$neigh->load;	2172	$neigh->load;
1524	}	2173	}
1525	}	2174	}
1526		2175
…		…
1531	}	2180	}
1532		2181
1533	sub do_load_sync {	2182	sub do_load_sync {
1534	my ($map) = @_;	2183	my ($map) = @_;
1535		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1536	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1537	}	2189	}
1538		2190
1539	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1541		2193
1542	sub find_async {	2194	sub find_async {
1543	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1544		2196
1545	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1546		2198
1547	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2201	}
1550		2202
1551	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1552	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1553	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2210	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2211	$map->load if $v;
		2212	}
1558		2213
1559	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1560	}	2215	}
1561	}	2216	}
1562	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1563	};	2218	};
1564	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2222	}
1568		2223
1569	sub save {	2224	sub save {
1570	my ($self) = @_;	2225	my ($self) = @_;
1571		2226
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2228
1574	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1575		2230
1576	return unless $self->dirty;	2231	return unless $self->dirty;
1577		2232
…		…
1583	return if $self->{deny_save};	2238	return if $self->{deny_save};
1584		2239
1585	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1586		2241
1587	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1589	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1590		2248
1591	if ($uniq) {	2249	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2252	} else {
…		…
1600	my ($self) = @_;	2258	my ($self) = @_;
1601		2259
1602	# save first because save cedes	2260	# save first because save cedes
1603	$self->save;	2261	$self->save;
1604		2262
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2264
1607	return if $self->players;	2265	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2267	return if $self->{deny_save};
1610		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2273	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2274	}
1614		2275
1615	sub reset_at {	2276	sub reset_at {
1616	my ($self) = @_;	2277	my ($self) = @_;
1617		2278
1618	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1621		2281
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2284
…		…
1635	my ($self) = @_;	2295	my ($self) = @_;
1636		2296
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2298
1639	return if $self->players;	2299	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2300
1642	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1643		2302
1644	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1645		2304
1646	# need to save uniques path	2305	# need to save uniques path
1647	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2310	if $uniq;
1652	}	2311	}
1653		2312
1654	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1655		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2317	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2318
1660	$self->unlink_save;	2319	$self->unlink_save;
1661	$self->destroy;	2320	$self->destroy;
1662	}	2321	}
1663		2322
1664	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1665		2324
1666	sub nuke {	2325	sub nuke {
1667	my ($self) = @_;	2326	my ($self) = @_;
1668		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1669	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1670		2332
1671	$self->unlink_save;	2333	$self->unlink_save;
1672		2334
1673	bless $self, "cf::map";	2335	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2340
1679	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1680		2343
1681	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1682	}	2381	}
1683		2382
1684	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1685		2384
1686	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2386	instantiated unique items. May block.
1688		2387
1689	=cut	2388	=cut
1690		2389
1691	sub unique_maps() {	2390	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1693	or return;	2392	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2393	utf8::decode $_;
1699	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2396	? ()
1702	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2399	]
1704
1705	\@paths
1706	}	2400	}
1707
1708	package cf;
1709		2401
1710	=back	2402	=back
1711		2403
1712	=head3 cf::object	2404	=head3 cf::object
1713		2405
…		…
1717		2409
1718	=over 4	2410	=over 4
1719		2411
1720	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1721		2413
1722	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1723		2416
1724	=cut	2417	=cut
1725		2418
1726	sub inv_recursive_;	2419	sub inv_recursive_;
1727	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1730		2423
1731	sub inv_recursive {	2424	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1733	}	2426	}
1734		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1735	package cf;	2456	package cf;
1736		2457
1737	=back	2458	=back
1738		2459
1739	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1748		2469
1749	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1750		2485
1751	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2487	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1756		2491
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2493
1759	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1761	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1764	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1765	}	2519	}
1766		2520
1767	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1768		2522
1769	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1817		2571
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2573
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1822		2576
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2578	}
1825		2579
1826	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1828		2584
1829	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1830		2586
1831	unless ($map) {	2587	unless ($map) {
1832	# restore original map position	2588	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1849		2605
1850	$map->load;	2606	$map->load;
1851	$map->load_diag;	2607	$map->load_neighbours;
1852		2608
1853	return unless $self->contr->active;	2609	return unless $self->contr->active;
1854	$self->activate_recursive;	2610	$self->activate_recursive;
1855		2611
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1858	}	2614	}
1859		2615
1860	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2617
1864	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1868	};	2622	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2623
1874	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2626
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1895		2630
1896	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2636
1899	$self->enter_link;	2637	$self->enter_link;
1900		2638
1901	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1902	my $map = eval {	2661	my $map = eval {
1903	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1905	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2677	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1910	})->prio (1);	2685	})->prio (1);
1911	}	2686	}
1912		2687
1913	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1914		2689
…		…
1934	}	2709	}
1935		2710
1936	sub prepare_random_map {	2711	sub prepare_random_map {
1937	my ($exit) = @_;	2712	my ($exit) = @_;
1938		2713
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2716	# that depends on the exit object
1944		2717
1945	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2720	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1952	}	2727	}
1953		2728
1954	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1955		2730
1956	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1959		2734
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2737	undef $fh;
1963	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1964		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1967	}	2746	}
1968	}	2747	}
1969		2748
1970	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1972		2751
1973	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1974		2753
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2754	$self->enter_link;
1987		2755
1988	(async {	2756	(async {
1989	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1990	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1991	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1992		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1993	1;	2780	1
1994	}) {	2781	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1996	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2019		2806
2020	utf8::encode $text;	2807	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2809	}
2023		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
2024	=item $client->ext_event ($type, %msg)	2955	=item $client->ext_msg ($type, @msg)
2025		2956
2026	Sends an exti event to the client.	2957	Sends an ext event to the client.
2027		2958
2028	=cut	2959	=cut
2029		2960
2030	sub cf::client::ext_event($$%) {	2961	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2962	my ($self, $type, @msg) = @_;
2032		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2967	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
2035	}	2988	}
2036		2989
2037	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
2038		2991
2039	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2993	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2995
2043	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2997	become reliable at some point in the future.
2045		2998
2046	=cut	2999	=cut
2047		3000
2048	sub cf::client::query {	3001	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3010	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3012
2060	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
2062	}	3017	}
2063		3018
2064	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
2065	on_reply => sub {	3025	on_reply => sub {
2066	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
2067		3027
2068	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
2069	# get handled first	3029	# get handled first
…		…
2081	} else {	3041	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3043	}
2084	}	3044	}
2085	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
2086	);	3072	);
2087		3073
2088	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2089		3075
2090	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2133		3119
2134	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2135		3121
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2137		3127
2138	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2139		3129
2140	=pod	3130	=pod
2141		3131
2142	The following functions and methods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2143		3133
2144	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2145	cf::object::player player	3138	cf::object::player
2146	cf::player peaceful	3139	player
2147	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2148		3146
2149	=cut	3147	=cut
2150		3148
2151	for (	3149	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2153	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2156	) {	3156	) {
2157	no strict 'refs';	3157	no strict 'refs';
…		…
2228	=back	3228	=back
2229		3229
2230	=cut	3230	=cut
2231		3231
2232	#############################################################################	3232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3233	# the server's init and main functions
2306		3234
2307	sub load_facedata {	3235	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3236	my ($path) = @_;
		3237
		3238	# HACK to clear player env face cache, we need some signal framework
		3239	# for this (global event?)
		3240	%ext::player_env::MUSIC_FACE_CACHE = ();
		3241
		3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3243
2310	warn "loading facedata from $path\n";	3244	warn "loading facedata from $path\n";
2311		3245
2312	my $facedata;	3246	my $facedata;
2313	0 < aio_load $path, $facedata	3247	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3248	or die "$path: $!";
2315		3249
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3250	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3251
2320	$facedata->{version} == 2	3252	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3254
		3255	# patch in the exptable
		3256	$facedata->{resource}{"res/exp_table"} = {
		3257	type => FT_RSRC,
		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3259	};
		3260	cf::cede_to_tick;
		3261
2323	{	3262	{
2324	my $faces = $facedata->{faceinfo};	3263	my $faces = $facedata->{faceinfo};
2325		3264
2326	while (my ($face, $info) = each %$faces) {	3265	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3267
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3268	cf::face::set_visibility $idx, $info->{visibility};
		3269	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3272
		3273	cf::cede_to_tick;
2332	}	3274	}
2333		3275
2334	while (my ($face, $info) = each %$faces) {	3276	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3277	next unless $info->{smooth};
		3278
2336	my $idx = cf::face::find $face	3279	my $idx = cf::face::find $face
2337	or next;	3280	or next;
		3281
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3285	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3287	}
2343	Coro::cede;	3288
		3289	cf::cede_to_tick;
2344	}	3290	}
2345	}	3291	}
2346		3292
2347	{	3293	{
2348	my $anims = $facedata->{animinfo};	3294	my $anims = $facedata->{animinfo};
2349		3295
2350	while (my ($anim, $info) = each %$anims) {	3296	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3298	cf::cede_to_tick;
2353	}	3299	}
2354		3300
2355	cf::anim::invalidate_all; # d'oh	3301	cf::anim::invalidate_all; # d'oh
2356	}	3302	}
2357		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
2358	1	3339	1
2359	}	3340	}
2360		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
		3370	sub load_resource_file($) {
		3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
		3386	or die "unable to load regions file\n";
		3387
		3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
2361	sub reload_resources {	3409	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3410	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3411
2364	load_facedata	3412	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
2366	}	3418	}
2367		3419
2368	sub init {	3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
2369	reload_resources;	3425	reload_resources;
2370	}	3426	}
2371		3427
2372	sub cfg_load {	3428	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3430	or return;
2375		3431
2376	local $/;	3432	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2378		3434
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3436
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3449	sub main {
2394	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3453	(async {
2398	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2400	};	3457	};
2401		3458
2402	cfg_load;	3459	{
		3460	my $guard = freeze_mainloop;
		3461	reload_config;
2403	db_init;	3462	db_init;
2404	load_extensions;	3463	load_extensions;
2405		3464
2406	$TICK_WATCHER->start;	3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2407	Event::loop;	3468	EV::loop;
2408	}	3469	}
2409		3470
2410	#############################################################################	3471	#############################################################################
2411	# initialisation and cleanup	3472	# initialisation and cleanup
2412		3473
2413	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2414	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2423	},
2424	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2425	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2426	}	3563	}
2427		3564
2428	sub emergency_save() {	3565	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2430		3567
…		…
2436	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3579	$pl->save;
2442	}	3580	}
2443	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2444		3582
2445	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
2452		3590
2453	warn "begin emergency database checkpoint\n";	3591	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3592	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2456	};	3598	};
2457		3599
2458	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2459	}	3601	}
2460		3602
…		…
2463		3605
2464	warn Carp::longmess "post_cleanup backtrace"	3606	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3607	if $make_core;
2466	}	3608	}
2467		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2468	sub reload() {	3638	sub do_reload_perl() {
2469	# can/must only be called in main	3639	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3641	warn "can only reload from main coroutine";
2472	return;	3642	return;
2473	}	3643	}
2474		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2475	warn "reloading...";	3648	warn "reloading...";
2476		3649
2477	warn "entering sync_job";	3650	warn "entering sync_job";
2478		3651
2479	cf::sync_job {	3652	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3653	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3654	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3655	cf::write_runtime_sync; # external watchdog should not bark
2483		3656
2484	warn "syncing database to disk";	3657	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3658	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3659
2487	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2488		3661
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3662	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3665	}
2525		3666
2526	warn "... nuking $pkg";	3667	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3668	$_->cancel for values %EXT_CORO;
2528	}	3669	%EXT_CORO = ();
2529		3670
2530	warn "unloading all perl modules loaded from $LIBDIR";	3671	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3672	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3680	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3681
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2541	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2542	}	3691	}
2543		3692
2544	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2545	}	3708	}
2546		3709
2547	warn "getting rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3713
2551	warn "unloading cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2553		3717
2554	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3719	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2557		3721
2558	warn "unload completed, starting to reload now";	3722	warn "unload completed, starting to reload now";
2559		3723
2560	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2561	require cf;	3725	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3727
2564	warn "loading config and database again";	3728	warn "loading config and database again";
2565	cf::cfg_load;	3729	cf::reload_config;
2566		3730
2567	warn "loading extensions";	3731	warn "loading extensions";
2568	cf::load_extensions;	3732	cf::load_extensions;
2569		3733
2570	warn "reattaching attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3735	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3736	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3738	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3739	reattach $_ for values %PLAYER;
2576		3740
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3741	warn "leaving sync_job";
2581		3742
2582	1	3743	1
2583	} or do {	3744	} or do {
2584	warn $@;	3745	warn $@;
2585	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2587	};	3763	};
2588		3764	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3765
2594	register_command "reload" => sub {	3766	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2596		3768
2597	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2599		3771	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3772	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3773	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3774	};
2612	}	3775	}
2613	};	3776	};
2614		3777
2615	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2616		3779
2617	my $bug_warning = 0;	3780	my $bug_warning = 0;
2618		3781
2619	$TICK_WATCHER = Event->timer (	3782	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3783	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3784
2622	prio => 0,	3785	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3786	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3787
2625	cb => sub {	3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
2626	if ($Coro::current != $Coro::main) {	3802	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3804	unless ++$bug_warning > 10;
2629	return;	3805	return;
2630	}	3806	}
2631		3807
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3809
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3812	Coro::async_pool {
		3813	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3814	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3816	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3817	}
2658	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
2659		3837
2660	{	3838	{
2661	BDB::max_poll_time $TICK * 0.1;	3839	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3840
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3841	BDB::min_parallel 8;
2671		3842	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3843	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3844
2687	unless ($DB_ENV) {	3845	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3852
2690	cf::sync_job {	3853	cf::sync_job {
2691	eval {	3854	eval {
2692	BDB::db_env_open	3855	BDB::db_env_open
2693	$DB_ENV,	3856	$DB_ENV,
2694	$BDB_ENV_DIR,	3857	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3860	0666;
2698		3861
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3863	};
2704		3864
2705	cf::cleanup "db_env_open(db): $@" if $@;	3865	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3866	};
2707	}	3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
2708	}	3878	}
2709		3879
2710	{	3880	{
		3881	# configure IO::AIO
		3882
2711	IO::AIO::min_parallel 8;	3883	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3884	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3885	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2724		3930
2725	END { cf::emergency_save }	3931	END { cf::emergency_save }
2726		3932
2727	1	3933	1
2728		3934

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