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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 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];
967		1429
968	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
969	}	1431	}
970		1432
971	sub find_active($) {	1433	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1448	my $login = $_[0];
987		1449
988	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
989		1451
990	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
994	}	1469	}
995	}	1470	}
996	}	1471	}
997		1472
…		…
1006	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1007		1482
1008	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1010		1485
		1486	cf::get_slot 0.01;
		1487
1011	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1012	Coro::cede;	1489	cf::cede_to_tick;
1013	}	1490	}
1014		1491
1015	sub new($) {	1492	sub new($) {
1016	my ($login) = @_;	1493	my ($login) = @_;
1017		1494
…		…
1023	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1024		1501
1025	$self	1502	$self
1026	}	1503	}
1027		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
1028	=item $pl->quit_character	1515	=item $pl->quit_character
1029		1516
1030	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
1031	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1032		1519
…		…
1040	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1042		1529
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1047		1536
1048	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1080		1569
1081	=cut	1570	=cut
1082		1571
1083	sub list_logins {	1572	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1574	or return [];
1086		1575
1087	my @logins;	1576	my @logins;
1088		1577
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1093		1588
1094	utf8::decode $login;	1589	utf8::decode $login;
1095	push @logins, $login;	1590	push @logins, $login;
1096	}	1591	}
1097		1592
…		…
1124	}	1619	}
1125		1620
1126	\@paths	1621	\@paths
1127	}	1622	}
1128		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1129	=item $player->ext_reply ($msgid, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1130		1718
1131	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1132		1720
1133	=cut	1721	=cut
1134		1722
1135	sub ext_reply($$%) {	1723	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1137		1725
1138	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1727	}
1142		1728
1143	=item $player->ext_event ($type, %msg)	1729	=item $player->ext_msg ($type, @msg)
1144		1730
1145	Sends an ext event to the client.	1731	Sends an ext event to the client.
1146		1732
1147	=cut	1733	=cut
1148		1734
1149	sub ext_event($$%) {	1735	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1736	my ($self, $type, @msg) = @_;
1151		1737
1152	delete $msg{msgid};	1738	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1739	}
1158		1740
1159	package cf;	1741	=head3 cf::region
		1742
		1743	=over 4
		1744
		1745	=cut
		1746
		1747	package cf::region;
		1748
		1749	=item cf::region::find_by_path $path
		1750
		1751	Tries to decuce the likely region for a map knowing only its path.
		1752
		1753	=cut
		1754
		1755	sub find_by_path($) {
		1756	my ($path) = @_;
		1757
		1758	my ($match, $specificity);
		1759
		1760	for my $region (list) {
		1761	if ($region->{match} && $path =~ $region->{match}) {
		1762	($match, $specificity) = ($region, $region->specificity)
		1763	if $region->specificity > $specificity;
		1764	}
		1765	}
		1766
		1767	$match
		1768	}
1160		1769
1161	=back	1770	=back
1162
1163		1771
1164	=head3 cf::map	1772	=head3 cf::map
1165		1773
1166	=over 4	1774	=over 4
1167		1775
…		…
1179	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1181		1789
1182	sub generate_random_map {	1790	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1184	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1796	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1223		1834
1224	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1225	local $self->{path};	1836	local $self->{path};
1226	local $self->{load_path};	1837	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1838
1230	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1231	}	1840	}
1232		1841
1233	sub normalise {	1842	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1281	return $self;	1890	return $self;
1282	}	1891	}
1283	}	1892	}
1284		1893
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1895	()
1287	}	1896	}
1288		1897
1289	sub init {	1898	sub init {
1290	my ($self) = @_;	1899	my ($self) = @_;
…		…
1305		1914
1306	# the original (read-only) location	1915	# the original (read-only) location
1307	sub load_path {	1916	sub load_path {
1308	my ($self) = @_;	1917	my ($self) = @_;
1309		1918
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1311	}	1920	}
1312		1921
1313	# the temporary/swap location	1922	# the temporary/swap location
1314	sub save_path {	1923	sub save_path {
1315	my ($self) = @_;	1924	my ($self) = @_;
1316		1925
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1319	}	1928	}
1320		1929
1321	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1322	sub uniq_path {	1931	sub uniq_path {
1323	my ($self) = @_;	1932	my ($self) = @_;
1324		1933
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1327	}	1936	}
1328		1937
1329	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1330	# all maps in C++...	1939	# all maps in C++...
1331	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1333		1942
1334	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1336	}	1945	}
1337		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1338	sub unlink_save {	1955	sub unlink_save {
1339	my ($self) = @_;	1956	my ($self) = @_;
1340		1957
1341	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1962
1346	sub load_header_from($) {	1963	sub load_header_from($) {
1347	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1348		1965
1349	utf8::encode $path;	1966	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1355		1975
1356	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1357		1977
1358	1	1978	1
1359	}	1979	}
…		…
1398	$self->load_header_orig	2018	$self->load_header_orig
1399	or return;	2019	or return;
1400	$self->prepare_orig;	2020	$self->prepare_orig;
1401	}	2021	}
1402		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1403	1	2029	1
1404	}	2030	}
1405		2031
1406	sub find;	2032	sub find;
1407	sub find {	2033	sub find {
1408	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1409		2035
1410	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1411		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1413		2040
1414	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1415	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1416	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1417	or return;	2046	or return;
1418		2047
1419	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1420		2049
1421	$map->load_header	2050	$map->load_header
1422	or return;	2051	or return;
1423		2052
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1427	$map->reset;	2058	$map->reset;
1428	undef $guard;
1429	return find $path;	2059	return find $path;
1430	}	2060	}
1431		2061
1432	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1433	}	2063	}
…		…
1440	my ($self) = @_;	2070	my ($self) = @_;
1441		2071
1442	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1443		2073
1444	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1446		2078
		2079	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2081
1449	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1450		2083
1451	$self->alloc;	2084	$self->alloc;
1452		2085
1453	$self->pre_load;	2086	$self->pre_load;
		2087	cf::cede_to_tick;
1454		2088
1455	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1456	or return;	2092	or return;
1457		2093
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1459	if delete $self->{load_original};	2095	if delete $self->{load_original};
1460		2096
1461	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2098	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2101	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1466	}	2105	}
1467	}	2106	}
1468		2107
1469	Coro::cede;	2108	$f->resolve_delayed_derefs;
1470		2109
		2110	cf::cede_to_tick;
1471	# now do the right thing for maps	2111	# now do the right thing for maps
1472	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2114	unless $self->difficulty;
1482	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1483	$self->activate;	2124	$self->activate;
		2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2131	}
1485		2132
1486	$self->post_load;	2133	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2134	}
1490		2135
1491	sub customise_for {	2136	sub customise_for {
1492	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1493		2138
1494	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2140	if $self->per_player;
1496		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1497	$self	2145	$self
1498	}	2146	}
1499		2147
1500	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2149	sub load_neighbours {
1502	my ($map) = @_;	2150	my ($map) = @_;
1503		2151
1504	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1505		2153
1506	for (0 .. 3) {	2154	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1508	or next;	2156	or next;
1509	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1510	or next;	2158	or next;
1511	$neigh->load;	2159	$neigh->load;
1512		2160
		2161	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2164	}
1516		2165
1517	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1519	or next;	2169	or next;
1520	$neigh->load;	2170	$neigh->load;
1521	}	2171	}
1522	}	2172	}
1523		2173
…		…
1528	}	2178	}
1529		2179
1530	sub do_load_sync {	2180	sub do_load_sync {
1531	my ($map) = @_;	2181	my ($map) = @_;
1532		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1533	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1534	}	2187	}
1535		2188
1536	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1538		2191
1539	sub find_async {	2192	sub find_async {
1540	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1541		2194
1542	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1543		2196
1544	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2199	}
1547		2200
1548	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1549	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1550	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2208	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2209	$map->load if $v;
		2210	}
1555		2211
1556	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1557	}	2213	}
1558	}	2214	}
1559	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1560	};	2216	};
1561	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2220	}
1565		2221
1566	sub save {	2222	sub save {
1567	my ($self) = @_;	2223	my ($self) = @_;
1568		2224
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2226
1571	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1572		2228
1573	return unless $self->dirty;	2229	return unless $self->dirty;
1574		2230
…		…
1580	return if $self->{deny_save};	2236	return if $self->{deny_save};
1581		2237
1582	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1583		2239
1584	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1586	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1587		2246
1588	if ($uniq) {	2247	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2250	} else {
…		…
1597	my ($self) = @_;	2256	my ($self) = @_;
1598		2257
1599	# save first because save cedes	2258	# save first because save cedes
1600	$self->save;	2259	$self->save;
1601		2260
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2262
1604	return if $self->players;	2263	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2265	return if $self->{deny_save};
1607		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2271	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2272	}
1611		2273
1612	sub reset_at {	2274	sub reset_at {
1613	my ($self) = @_;	2275	my ($self) = @_;
1614		2276
1615	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1618		2279
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2282
…		…
1632	my ($self) = @_;	2293	my ($self) = @_;
1633		2294
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2296
1636	return if $self->players;	2297	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2298
1639	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1640		2300
1641	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1642		2302
1643	# need to save uniques path	2303	# need to save uniques path
1644	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2308	if $uniq;
1649	}	2309	}
1650		2310
1651	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1652		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2315	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2316
1657	$self->unlink_save;	2317	$self->unlink_save;
1658	$self->destroy;	2318	$self->destroy;
1659	}	2319	}
1660		2320
1661	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1662		2322
1663	sub nuke {	2323	sub nuke {
1664	my ($self) = @_;	2324	my ($self) = @_;
1665		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1666	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1667		2330
1668	$self->unlink_save;	2331	$self->unlink_save;
1669		2332
1670	bless $self, "cf::map";	2333	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2338
1676	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1677		2341
1678	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1679	}	2379	}
1680		2380
1681	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1682		2382
1683	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2384	instantiated unique items. May block.
1685		2385
1686	=cut	2386	=cut
1687		2387
1688	sub unique_maps() {	2388	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1690	or return;	2390	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2391	utf8::decode $_;
1696	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2394	? ()
1699	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2397	]
1701
1702	\@paths
1703	}	2398	}
1704
1705	package cf;
1706		2399
1707	=back	2400	=back
1708		2401
1709	=head3 cf::object	2402	=head3 cf::object
1710		2403
…		…
1714		2407
1715	=over 4	2408	=over 4
1716		2409
1717	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1718		2411
1719	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1720		2414
1721	=cut	2415	=cut
1722		2416
1723	sub inv_recursive_;	2417	sub inv_recursive_;
1724	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1727		2421
1728	sub inv_recursive {	2422	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1730	}	2424	}
1731		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1732	package cf;	2454	package cf;
1733		2455
1734	=back	2456	=back
1735		2457
1736	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1745		2467
1746	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1747		2483
1748	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2485	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1753		2489
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2491
1756	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1758	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1761	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1762	}	2517	}
1763		2518
1764	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1765		2520
1766	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1814		2569
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2571
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1819		2574
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2576	}
1822		2577
1823	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1825		2582
1826	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1827		2584
1828	unless ($map) {	2585	unless ($map) {
1829	# restore original map position	2586	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1846		2603
1847	$map->load;	2604	$map->load;
1848	$map->load_diag;	2605	$map->load_neighbours;
1849		2606
1850	return unless $self->contr->active;	2607	return unless $self->contr->active;
1851	$self->activate_recursive;	2608	$self->activate_recursive;
1852		2609
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1855	}	2612	}
1856		2613
1857	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2615
1861	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1865	};	2620	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2621
1871	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1872	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2624
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1892		2628
1893	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2634
1896	$self->enter_link;	2635	$self->enter_link;
1897		2636
1898	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1899	my $map = eval {	2659	my $map = eval {
1900	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1902	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2675	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1907	})->prio (1);	2683	})->prio (1);
1908	}	2684	}
1909		2685
1910	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1911		2687
…		…
1931	}	2707	}
1932		2708
1933	sub prepare_random_map {	2709	sub prepare_random_map {
1934	my ($exit) = @_;	2710	my ($exit) = @_;
1935		2711
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2714	# that depends on the exit object
1941		2715
1942	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2718	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1949	}	2725	}
1950		2726
1951	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1952		2728
1953	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1956		2732
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2735	undef $fh;
1960	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1961		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1964	}	2744	}
1965	}	2745	}
1966		2746
1967	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
1969		2749
1970	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
1971		2751
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2752	$self->enter_link;
1982		2753
1983	(async {	2754	(async {
1984	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
1985	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
1986	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
1987		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
1988	1;	2778	1
1989	}) {	2779	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2784
1995	warn "ERROR in enter_exit: $@";	2785	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2786	$self->leave_link;
1997	}	2787	}
1998	})->prio (1);	2788	})->prio (1);
…		…
2014		2804
2015	utf8::encode $text;	2805	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2807	}
2018		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
		2939	=item $client->ext_msg ($type, @msg)
		2940
		2941	Sends an ext event to the client.
		2942
		2943	=cut
		2944
		2945	sub cf::client::ext_msg($$@) {
		2946	my ($self, $type, @msg) = @_;
		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
		2951	push @msg, msgtype => "event_$type";
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
		2972	}
2019		2973
2020	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
2021		2975
2022	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2977	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2979
2026	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2981	become reliable at some point in the future.
2028		2982
2029	=cut	2983	=cut
2030		2984
2031	sub cf::client::query {	2985	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2994	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2996
2043	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2045	}	3001	}
2046		3002
2047	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2048	on_reply => sub {	3009	on_reply => sub {
2049	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2050		3011
2051	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2052	# get handled first	3013	# get handled first
…		…
2064	} else {	3025	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3027	}
2067	}	3028	}
2068	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2069	);	3056	);
2070		3057
2071	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2072		3059
2073	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2116		3103
2117	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2118		3105
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2120		3111
2121	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2122		3113
2123	=pod	3114	=pod
2124		3115
2125	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2126		3117
2127	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2128	cf::object::player player	3122	cf::object::player
2129	cf::player peaceful	3123	player
2130	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2131		3130
2132	=cut	3131	=cut
2133		3132
2134	for (	3133	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2136	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2139	) {	3140	) {
2140	no strict 'refs';	3141	no strict 'refs';
…		…
2211	=back	3212	=back
2212		3213
2213	=cut	3214	=cut
2214		3215
2215	#############################################################################	3216	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3217	# the server's init and main functions
2289		3218
2290	sub load_facedata {	3219	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3227
2293	warn "loading facedata from $path\n";	3228	warn "loading facedata from $path\n";
2294		3229
2295	my $faces;	3230	my $facedata;
2296	0 < aio_load $path, $faces	3231	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3232	or die "$path: $!";
2298		3233
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3234	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3235
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3236	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
		3246	{
		3247	my $faces = $facedata->{faceinfo};
		3248
2307	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3251
		3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3256
		3257	cf::cede_to_tick;
		3258	}
		3259
2315	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2317	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2318	or next;	3264	or next;
		3265
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3267	cf::face::set_smooth $idx, $smooth;
		3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3269	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3271	}
2324	Coro::cede;	3272
		3273	cf::cede_to_tick;
		3274	}
		3275	}
		3276
2325	}	3277	{
		3278	my $anims = $facedata->{animinfo};
		3279
		3280	while (my ($anim, $info) = each %$anims) {
		3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3282	cf::cede_to_tick;
		3283	}
		3284
		3285	cf::anim::invalidate_all; # d'oh
		3286	}
		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3322
2327	1	3323	1
2328	}	3324	}
2329		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
		3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
		3383	sub reload_archetypes {
		3384	load_resource_file "$DATADIR/archetypes"
		3385	or die "unable to load archetypes\n";
		3386	}
		3387
		3388	sub reload_treasures {
		3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
		3391	}
		3392
2330	sub reload_resources {	3393	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3394	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3395
2333	load_facedata	3396	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3397	reload_archetypes;
		3398	reload_regions;
		3399	reload_treasures;
		3400
		3401	warn "finished reloading resource files\n";
2335	}	3402	}
2336		3403
2337	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
2338	reload_resources;	3409	reload_resources;
2339	}	3410	}
2340		3411
2341	sub cfg_load {	3412	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3414	or return;
2344		3415
2345	local $/;	3416	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2347		3418
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3420
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2362	sub main {	3433	sub main {
2363	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3437	(async {
2367	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2369	};	3441	};
2370		3442
2371	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2372	db_init;	3446	db_init;
2373	load_extensions;	3447	load_extensions;
2374		3448
2375	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2376	Event::loop;	3452	EV::loop;
2377	}	3453	}
2378		3454
2379	#############################################################################	3455	#############################################################################
2380	# initialisation and cleanup	3456	# initialisation and cleanup
2381		3457
2382	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2383	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2392	},
2393	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2394	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2395	}	3547	}
2396		3548
2397	sub emergency_save() {	3549	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2399		3551
…		…
2405	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3563	$pl->save;
2411	}	3564	}
2412	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2413		3566
2414	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2420	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2421		3574
2422	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2425	};	3582	};
2426		3583
2427	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2428	}	3585	}
2429		3586
…		…
2432		3589
2433	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3591	if $make_core;
2435	}	3592	}
2436		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2437	sub reload() {	3622	sub do_reload_perl() {
2438	# can/must only be called in main	3623	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2441	return;	3626	return;
2442	}	3627	}
2443		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2444	warn "reloading...";	3632	warn "reloading...";
2445		3633
2446	warn "entering sync_job";	3634	warn "entering sync_job";
2447		3635
2448	cf::sync_job {	3636	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3638	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2452		3640
2453	warn "syncing database to disk";	3641	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3643
2456	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2457		3645
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2469	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();
2477
2478	warn "removing commands";
2479	%COMMAND = ();
2480
2481	warn "removing ext commands";
2482	%EXTCMD = ();
2483
2484	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";
2487
2488	if (my $cb = $pkg->can ("unload")) {
2489	eval {
2490	$cb->($pkg);
2491	1
2492	} or warn "$pkg unloaded, but with errors: $@";
2493	}	3649	}
2494		3650
2495	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2496	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2497	}	3653	%EXT_CORO = ();
2498		3654
2499	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2500	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2503	warn "... unloading $k";	3664	warn "... unloading $pkg";
2504	delete $INC{$k};
2505		3665
2506	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;
2508
2509	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2510	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2511	}	3675	}
2512		3676
2513	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2514	}	3692	}
2515		3693
2516	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3697
2520	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2522		3701
2523	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3703	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2526		3705
2527	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2528		3707
2529	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2530	require cf;	3709	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3711
2533	warn "loading config and database again";	3712	warn "loading config and database again";
2534	cf::cfg_load;	3713	cf::reload_config;
2535		3714
2536	warn "loading extensions";	3715	warn "loading extensions";
2537	cf::load_extensions;	3716	cf::load_extensions;
2538		3717
2539	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
2545		3724
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3725	warn "leaving sync_job";
2550		3726
2551	1	3727	1
2552	} or do {	3728	} or do {
2553	warn $@;	3729	warn $@;
2554	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3731	};
		3732
		3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2556	};	3747	};
2557		3748	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3749
2563	register_command "reload" => sub {	3750	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2565		3752
2566	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
2568		3755	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3756	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3757	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3758	};
2581	}	3759	}
2582	};	3760	};
2583		3761
2584	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2585		3763
2586	my $bug_warning = 0;	3764	my $bug_warning = 0;
2587		3765
2588	$TICK_WATCHER = Event->timer (	3766	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3767	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3768
2591	prio => 0,	3769	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3771
2594	cb => sub {	3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub wait_for_tick_begin {
		3778	return if tick_inhibit || $Coro::current == $Coro::main;
		3779
		3780	my $signal = new Coro::Signal;
		3781	push @WAIT_FOR_TICK_BEGIN, $signal;
		3782	$signal->wait;
		3783	}
		3784
		3785	sub tick {
2595	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2598	return;	3789	return;
2599	}	3790	}
2600		3791
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3793
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3798	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3800	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3801	}
2627	);	3802
		3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3804	$sig->send;
		3805	}
		3806	while (my $sig = shift @WAIT_FOR_TICK) {
		3807	$sig->send;
		3808	}
		3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
2628		3821
2629	{	3822	{
2630	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3824
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2640		3826	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3828
2656	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3836
2659	cf::sync_job {	3837	cf::sync_job {
2660	eval {	3838	eval {
2661	BDB::db_env_open	3839	BDB::db_env_open
2662	$DB_ENV,	3840	$DB_ENV,
2663	$BDB_ENV_DIR,	3841	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3844	0666;
2667		3845
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3847	};
2673		3848
2674	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3850	};
2676	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
2677	}	3862	}
2678		3863
2679	{	3864	{
		3865	# configure IO::AIO
		3866
2680	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3870	}
		3871
		3872	my $_log_backtrace;
		3873
		3874	sub _log_backtrace {
		3875	my ($msg, @addr) = @_;
		3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
		3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2693		3914
2694	END { cf::emergency_save }	3915	END { cf::emergency_save }
2695		3916
2696	1	3917	1
2697		3918

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