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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.217 by root, Thu Feb 15 21:07:49 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
79	binmode STDOUT;	133	binmode STDOUT;
80	binmode STDERR;	134	binmode STDERR;
81		135
82	# read virtual server time, if available	136	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
87	}	141	}
88		142
89	mkdir cf::localdir;	143	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		145
96	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
97		147
98	sub cf::map::normalise;	148	sub cf::map::normalise;
99		149
…		…
110	=item $cf::RUNTIME	160	=item $cf::RUNTIME
111		161
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	163	every server tick.
114		164
115	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		168
117	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
119		173
120	=item $cf::NOW	174	=item $cf::NOW
121		175
122	The time of the last (current) server tick.	176	The time of the last (current) server tick.
123		177
124	=item $cf::TICK	178	=item $cf::TICK
125		179
126	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
127		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
128	=item %cf::CFG	192	=item %cf::CFG
129		193
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	195	from wherever your confdir points to.
132		196
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		198
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
139		208
140	=back	209	=back
141		210
142	=cut	211	=cut
143		212
144	BEGIN {	213	BEGIN {
145	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	215	my $msg = join "", @_;
147	utf8::encode $msg;
148		216
149	$msg .= "\n"	217	$msg .= "\n"
150	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
151		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
152	LOG llevError, $msg;	222	LOG llevError, $msg;
153	};	223	};
154	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
155		240
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		248
163	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	250	# within the Safe compartment.
165	for my $pkg (qw(	251	for my $pkg (qw(
166	cf::global cf::attachable	252	cf::global cf::attachable
167	cf::object cf::object::player	253	cf::object cf::object::player
168	cf::client cf::player	254	cf::client cf::player
169	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
170	cf::map cf::party cf::region	257	cf::party cf::region
171	)) {	258	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	260	}
175		261
176	$Event::DIED = sub {	262	$EV::DIED = sub {
177	warn "error in event callback: @_";	263	warn "error in event callback: @_";
178	};	264	};
		265
		266	#############################################################################
179		267
180	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
181		269
182	=over 4	270	=over 4
183		271
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	291	$d
204	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
205	}	293	}
206		294
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
210		296
211	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
212		298
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
221		300
222	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
223		302
224	=cut	303	=cut
225		304
226	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
228	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
230		309
231	=item cf::lock_wait $string	310	=item cf::lock_wait $string
232		311
233	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
234		313
…		…
237	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
240	returned.	319	returned.
241		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
242	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
244		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
245	=cut	331	=cut
246		332
247	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
248		335
249	sub lock_wait($) {	336	sub lock_wait($) {
250	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
251		343
252	# wait for lock, if any	344	# wait for lock, if any
253	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	347	Coro::schedule;
…		…
261		353
262	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
263	lock_wait $key;	355	lock_wait $key;
264		356
265	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
266		359
267	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
270	}	364	}
271	}	365	}
272		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
273	sub freeze_mainloop {	373	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
275		375
276	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
278	};	437	}
279	$TICK_WATCHER->stop;	438	};
280	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
281	}	452	}
282		453
283	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
284		455
285	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		461
291	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
292		463
293	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
294		465
295	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
298		470
299	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
302	fast or be very important.	474	fast or be very important.
…		…
305		477
306	sub sync_job(&) {	478	sub sync_job(&) {
307	my ($job) = @_;	479	my ($job) = @_;
308		480
309	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
310	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
312		486
313	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	488
315	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
316		490
317	my $busy = 1;	491	my $busy = 1;
318	my @res;	492	my @res;
319		493
320	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	496	@res = eval { $job->() };
322	warn $@ if $@;	497	warn $@ if $@;
323	undef $busy;	498	undef $busy;
324	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
325		500
326	while ($busy) {	501	while ($busy) {
327	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
328	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
329		512
330	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
331	} else {	514	} else {
332	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
333		516
…		…
353	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
354		537
355	$coro	538	$coro
356	}	539	}
357		540
358	sub write_runtime {	541	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		542
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
362	or return;	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
363		547
364	my $value = $cf::RUNTIME + 90 + 10;	548	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		549
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub fork_call(&@) {
369	and return;	551	my ($cb, @args) = @_;
370		552
371	# always fsync - this file is important	553	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	554	# otherwise perl prematurely frees the stuff :/
373	and return;	555	# TODO: investigate and fix (likely this will be rather laborious)
374		556
375	close $fh	557	my @res = Coro::Util::fork_eval {
376	or return;	558	reset_signals;
		559	&$cb
		560	}, @args;
377		561
378	aio_rename "$runtime~", $runtime	562	wantarray ? @res : $res[-1]
379	and return;	563	}
380		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
381	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	728	}
383		729
384	=back	730	=back
385		731
386	=cut	732	=cut
387		733
388	#############################################################################	734	#############################################################################
389		735
390	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
391		737
392	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
395		741
396	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	744	Deliantra).
399		745
400	=over 4	746	=over 4
401		747
402	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
403		749
…		…
447	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
448		794
449	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
451		797
452	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
454		800
455	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
456		802
457	=over 4	803	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
567		913
568	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		918
573	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	920	my $pkg = shift @arg;
575		921
576	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
606	}	952	}
607		953
608	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
609	} else {	955	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	957	}
612		958
613	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
614	}	960	}
615		961
…		…
617	if (ref $_[0]) {	963	if (ref $_[0]) {
618	_object_attach @_;	964	_object_attach @_;
619	} else {	965	} else {
620	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
621	}	967	}
		968	_recalc_want;
622	};	969	};
623		970
624	# all those should be optimised	971	# all those should be optimised
625	sub cf::attachable::detach {	972	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
630	reattach ($obj);	977	reattach ($obj);
631	} else {	978	} else {
632	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
633	}	980	}
		981	_recalc_want;
634	};	982	};
635		983
636	sub cf::attachable::attached {	984	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
638		986
…		…
653	";	1001	";
654	die if $@;	1002	die if $@;
655	}	1003	}
656		1004
657	our $override;	1005	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1007
660	sub override {	1008	sub override {
661	$override = 1;	1009	$override = 1;
662	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
663	}	1011	}
664		1012
665	sub do_invoke {	1013	sub do_invoke {
666	my $event = shift;	1014	my $event = shift;
667	my $callbacks = shift;	1015	my $callbacks = shift;
668		1016
669	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
670		1018
671	local $override;	1019	local $override;
672		1020
673	for (@$callbacks) {	1021	for (@$callbacks) {
674	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
683	}	1031	}
684		1032
685	0	1033	0
686	}	1034	}
687		1035
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1037
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1039
692	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
693		1041
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1045
698	=back	1046	=back
699		1047
700	=cut	1048	=cut
701		1049
702	#############################################################################	1050	#############################################################################
703	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
704		1094
705	sub reattach {	1095	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1097	my ($obj) = @_;
708		1098
		1099	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1101
711	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
712		1103
713	@$registry = ();	1104	@$registry = ();
714		1105
…		…
729	cf::attachable->attach (	1120	cf::attachable->attach (
730	prio => -1000000,	1121	prio => -1000000,
731	on_instantiate => sub {	1122	on_instantiate => sub {
732	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
733		1124
734	$data = from_json $data;	1125	$data = decode_json $data;
735		1126
736	for (@$data) {	1127	for (@$data) {
737	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
738		1129
739	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1146	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
757		1148
758	sync_job {	1149	sync_job {
759	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
762		1154
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1159	aio_close $fh;
768		1160
769	if (@$objs) {	1161	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1167	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
777	}	1169	}
778	} else {	1170	} else {
779	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
780	}	1172	}
…		…
785	}	1177	}
786	} else {	1178	} else {
787	aio_unlink $filename;	1179	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
789	}	1181	}
790	}	1182	};
791	}	1183	}
792		1184
793	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
795		1187
…		…
807	or return;	1199	or return;
808		1200
809	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
811	or return;	1203	or return;
		1204
812	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
813	}	1207	}
814		1208
		1209	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
817	return ($data, $av);	1213	($data, $av)
818	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
819		1221
820	#############################################################################	1222	#############################################################################
821	# command handling &c	1223	# command handling &c
822		1224
823	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1239	}
838		1240
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1242
841	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
842		1248
843	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
844	called.	1250	called.
845		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
846	=cut	1263	=cut
847		1264
848	sub register_extcmd {	1265	sub register_extcmd {
849	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
850		1267
851	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
852	}	1275	}
853		1276
854	cf::player->attach (	1277	cf::player->attach (
855	on_command => sub {	1278	on_command => sub {
856	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1288	cf::override;
866	},	1289	},
867	on_extcmd => sub {	1290	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
869		1292
870	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1294
872	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
878	} else {	1310	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1312	}
881		1313
882	cf::override;	1314	cf::override;
883	},	1315	},
884	);	1316	);
885		1317
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
921	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1323	next unless -r $path;
923	eval {	1324
924	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
925	1	1381	}
926	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
927	}	1387	};
928	}	1388	}
929		1389
930	#############################################################################	1390	#############################################################################
931		1391
		1392	=back
		1393
932	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
933		1395
934	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
935		1397
936	=cut	1398	=cut
937		1399
938	package cf::player;	1400	package cf::player;
939		1401
…		…
941		1403
942	=head3 cf::player	1404	=head3 cf::player
943		1405
944	=over 4	1406	=over 4
945		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
946	=item cf::player::find $login	1422	=item cf::player::find $login
947		1423
948	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
949		1425
950	=cut	1426	=cut
951		1427
952	sub playerdir($) {	1428	sub playerdir($) {
953	cf::localdir	1429	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1431	}
959		1432
960	sub path($) {	1433	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1435
963	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
964	}	1437	}
965		1438
966	sub find_active($) {	1439	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1454	my $login = $_[0];
982		1455
983	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
984		1457
985	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
987	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
989	}	1475	}
990	}	1476	}
991	}	1477	}
992		1478
…		…
1001	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1002		1488
1003	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1005		1491
		1492	cf::get_slot 0.01;
		1493
1006	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1007	Coro::cede;	1495	cf::cede_to_tick;
1008	}	1496	}
1009		1497
1010	sub new($) {	1498	sub new($) {
1011	my ($login) = @_;	1499	my ($login) = @_;
1012		1500
…		…
1018	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1019		1507
1020	$self	1508	$self
1021	}	1509	}
1022		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1023	=item $pl->quit_character	1521	=item $pl->quit_character
1024		1522
1025	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1027		1525
1028	=cut	1526	=cut
1029		1527
1030	sub quit_character {	1528	sub quit_character {
1031	my ($pl) = @_;	1529	my ($pl) = @_;
1032		1530
		1531	my $name = $pl->ob->name;
		1532
1033	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1535
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1040		1542
1041	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1046	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1047	}	1569	}
1048		1570
1049	=item cf::player::list_logins	1571	=item cf::player::list_logins
1050		1572
1051	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1053		1575
1054	=cut	1576	=cut
1055		1577
1056	sub list_logins {	1578	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1580	or return [];
1059		1581
1060	my @logins;	1582	my @logins;
1061		1583
1062	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1066		1594
1067	utf8::decode $login;	1595	utf8::decode $login;
1068	push @logins, $login;	1596	push @logins, $login;
1069	}	1597	}
1070		1598
…		…
1097	}	1625	}
1098		1626
1099	\@paths	1627	\@paths
1100	}	1628	}
1101		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1103		1635
1104	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1105		1637
1106	=cut	1638	=cut
1107		1639
1108	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1110		1642
1111	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1644	}
1115		1645
1116	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1117		1686
1118	=back	1687	=back
1119
1120		1688
1121	=head3 cf::map	1689	=head3 cf::map
1122		1690
1123	=over 4	1691	=over 4
1124		1692
…		…
1136	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1138		1706
1139	sub generate_random_map {	1707	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1141	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1713	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1180		1751
1181	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1182	local $self->{path};	1753	local $self->{path};
1183	local $self->{load_path};	1754	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1755
1187	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1188	}	1757	}
1189		1758
1190	sub normalise {	1759	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1238	return $self;	1807	return $self;
1239	}	1808	}
1240	}	1809	}
1241		1810
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1812	()
1244	}	1813	}
1245		1814
1246	sub init {	1815	sub init {
1247	my ($self) = @_;	1816	my ($self) = @_;
…		…
1262		1831
1263	# the original (read-only) location	1832	# the original (read-only) location
1264	sub load_path {	1833	sub load_path {
1265	my ($self) = @_;	1834	my ($self) = @_;
1266		1835
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1268	}	1837	}
1269		1838
1270	# the temporary/swap location	1839	# the temporary/swap location
1271	sub save_path {	1840	sub save_path {
1272	my ($self) = @_;	1841	my ($self) = @_;
1273		1842
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1276	}	1845	}
1277		1846
1278	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1279	sub uniq_path {	1848	sub uniq_path {
1280	my ($self) = @_;	1849	my ($self) = @_;
1281		1850
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1284	}	1853	}
1285		1854
1286	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1287	# all maps in C++...	1856	# all maps in C++...
1288	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1290		1859
1291	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1293	}	1862	}
1294		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1295	sub unlink_save {	1872	sub unlink_save {
1296	my ($self) = @_;	1873	my ($self) = @_;
1297		1874
1298	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1879
1303	sub load_header_from($) {	1880	sub load_header_from($) {
1304	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1305		1882
1306	utf8::encode $path;	1883	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1312		1892
1313	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1314		1894
1315	1	1895	1
1316	}	1896	}
…		…
1355	$self->load_header_orig	1935	$self->load_header_orig
1356	or return;	1936	or return;
1357	$self->prepare_orig;	1937	$self->prepare_orig;
1358	}	1938	}
1359		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1360	1	1946	1
1361	}	1947	}
1362		1948
1363	sub find;	1949	sub find;
1364	sub find {	1950	sub find {
1365	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1366		1952
1367	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1368		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1370		1957
1371	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1372	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1373	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1374	or return;	1963	or return;
1375		1964
1376	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1377		1966
1378	$map->load_header	1967	$map->load_header
1379	or return;	1968	or return;
1380		1969
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1384	$map->reset;	1975	$map->reset;
1385	undef $guard;
1386	return find $path;	1976	return find $path;
1387	}	1977	}
1388		1978
1389	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1390	}	1980	}
…		…
1397	my ($self) = @_;	1987	my ($self) = @_;
1398		1988
1399	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1400		1990
1401	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1403		1995
		1996	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1998
1406	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1407		2000
1408	$self->alloc;	2001	$self->alloc;
1409		2002
1410	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1411		2005
1412	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1413	or return;	2009	or return;
1414		2010
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1416	if delete $self->{load_original};	2012	if delete $self->{load_original};
1417		2013
1418	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2015	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2018	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1423	}	2022	}
1424	}	2023	}
1425		2024
1426	Coro::cede;	2025	$f->resolve_delayed_derefs;
1427		2026
		2027	cf::cede_to_tick;
1428	# now do the right thing for maps	2028	# now do the right thing for maps
1429	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2031	unless $self->difficulty;
1439	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1440	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2048	}
1442		2049
1443	$self->post_load;	2050	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2051	}
1447		2052
1448	sub customise_for {	2053	sub customise_for {
1449	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1450		2055
1451	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2057	if $self->per_player;
1453		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1454	$self	2062	$self
1455	}	2063	}
1456		2064
1457	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2066	sub load_neighbours {
1459	my ($map) = @_;	2067	my ($map) = @_;
1460		2068
1461	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1462		2070
1463	for (0 .. 3) {	2071	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1465	or next;	2073	or next;
1466	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1467	or next;	2075	or next;
1468	$neigh->load;	2076	$neigh->load;
1469		2077
		2078	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2081	}
1473		2082
1474	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1476	or next;	2086	or next;
1477	$neigh->load;	2087	$neigh->load;
1478	}	2088	}
1479	}	2089	}
1480		2090
…		…
1485	}	2095	}
1486		2096
1487	sub do_load_sync {	2097	sub do_load_sync {
1488	my ($map) = @_;	2098	my ($map) = @_;
1489		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1490	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1491	}	2104	}
1492		2105
1493	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1495		2108
1496	sub find_async {	2109	sub find_async {
1497	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1498		2111
1499	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1500		2113
1501	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2116	}
1504		2117
1505	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1506	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1507	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2125	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2126	$map->load if $v;
		2127	}
1512		2128
1513	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1514	}	2130	}
1515	}	2131	}
1516	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1517	};	2133	};
1518	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2137	}
1522		2138
1523	sub save {	2139	sub save {
1524	my ($self) = @_;	2140	my ($self) = @_;
1525		2141
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2143
1528	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1529		2145
1530	return unless $self->dirty;	2146	return unless $self->dirty;
1531		2147
…		…
1537	return if $self->{deny_save};	2153	return if $self->{deny_save};
1538		2154
1539	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1540		2156
1541	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1543	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1544		2163
1545	if ($uniq) {	2164	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2167	} else {
…		…
1554	my ($self) = @_;	2173	my ($self) = @_;
1555		2174
1556	# save first because save cedes	2175	# save first because save cedes
1557	$self->save;	2176	$self->save;
1558		2177
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2179
1561	return if $self->players;	2180	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2182	return if $self->{deny_save};
1564		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2188	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2189	}
1568		2190
1569	sub reset_at {	2191	sub reset_at {
1570	my ($self) = @_;	2192	my ($self) = @_;
1571		2193
1572	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1575		2196
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2199
…		…
1589	my ($self) = @_;	2210	my ($self) = @_;
1590		2211
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2213
1593	return if $self->players;	2214	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2215
1596	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1597		2217
1598	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1599		2219
1600	# need to save uniques path	2220	# need to save uniques path
1601	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2225	if $uniq;
1606	}	2226	}
1607		2227
1608	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1609		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2232	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2233
1614	$self->unlink_save;	2234	$self->unlink_save;
1615	$self->destroy;	2235	$self->destroy;
1616	}	2236	}
1617		2237
1618	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1619		2239
1620	sub nuke {	2240	sub nuke {
1621	my ($self) = @_;	2241	my ($self) = @_;
1622		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1623	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1624		2247
1625	$self->unlink_save;	2248	$self->unlink_save;
1626		2249
1627	bless $self, "cf::map";	2250	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2255
1633	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1634		2258
1635	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1636	}	2296	}
1637		2297
1638	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1639		2299
1640	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2301	instantiated unique items. May block.
1642		2302
1643	=cut	2303	=cut
1644		2304
1645	sub unique_maps() {	2305	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1647	or return;	2307	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2308	utf8::decode $_;
1653	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2311	? ()
1656	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2314	]
1658
1659	\@paths
1660	}	2315	}
1661
1662	package cf;
1663		2316
1664	=back	2317	=back
1665		2318
1666	=head3 cf::object	2319	=head3 cf::object
1667		2320
…		…
1671		2324
1672	=over 4	2325	=over 4
1673		2326
1674	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1675		2328
1676	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1677		2331
1678	=cut	2332	=cut
1679		2333
1680	sub inv_recursive_;	2334	sub inv_recursive_;
1681	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1684		2338
1685	sub inv_recursive {	2339	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1687	}	2341	}
1688		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1689	package cf;	2371	package cf;
1690		2372
1691	=back	2373	=back
1692		2374
1693	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1702		2384
1703	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1704		2400
1705	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2402	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1710		2406
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2408
1713	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1715	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1718	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1719	}	2434	}
1720		2435
1721	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1722		2437
1723	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1736		2451
1737	=item $player_object->enter_link	2452	=item $player_object->enter_link
1738		2453
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2455
1741	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1743		2460
1744	Will never block.	2461	Will never block.
1745		2462
1746	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1747		2464
…		…
1770	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1771		2488
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2490
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1776		2493
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2495	}
1779		2496
1780	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1782		2501
1783	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1784		2503
1785	unless ($map) {	2504	unless ($map) {
1786	# restore original map position	2505	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1803		2522
1804	$map->load;	2523	$map->load;
1805	$map->load_diag;	2524	$map->load_neighbours;
1806		2525
1807	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1808	$self->activate_recursive;	2528	$self->activate_recursive;
1809		2529
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1812	}	2532	}
1813		2533
1814	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2535
1818	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1822	};	2540	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2541
1828	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1829	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2544
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1849		2548
1850	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2554
1853	$self->enter_link;	2555	$self->enter_link;
1854		2556
1855	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1856	my $map = eval {	2579	my $map = eval {
1857	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1859	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2595	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1864	})->prio (1);	2603	})->prio (1);
1865	}	2604	}
1866		2605
1867	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1868		2607
…		…
1888	}	2627	}
1889		2628
1890	sub prepare_random_map {	2629	sub prepare_random_map {
1891	my ($exit) = @_;	2630	my ($exit) = @_;
1892		2631
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2634	# that depends on the exit object
1898		2635
1899	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2638	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1906	}	2645	}
1907		2646
1908	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1909		2648
1910	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1913		2652
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2655	undef $fh;
1917	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1918		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1921	}	2664	}
1922	}	2665	}
1923		2666
1924	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1926		2669
1927	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1928		2671
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2672	$self->enter_link;
1939		2673
1940	(async {	2674	(async {
1941	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1942	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1943	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1944		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1945	1;	2698	1
1946	}) {	2699	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2704
1952	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2706	$self->leave_link;
1954	}	2707	}
1955	})->prio (1);	2708	})->prio (1);
…		…
1968		2721
1969	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1971		2724
1972	utf8::encode $text;	2725	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2727	}
1975		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
		2874	=item $client->ext_msg ($type, @msg)
		2875
		2876	Sends an ext event to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_msg($$@) {
		2881	my ($self, $type, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
		2886	push @msg, msgtype => "event_$type";
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
		2907	}
1976		2908
1977	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
1978		2910
1979	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2914
1983	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2916	become reliable at some point in the future.
1985		2917
1986	=cut	2918	=cut
1987		2919
1988	sub cf::client::query {	2920	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2929	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2931
2000	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2002	}	2936	}
2003		2937
2004	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2005	on_reply => sub {	2944	on_reply => sub {
2006	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2007		2946
2008	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2009	# get handled first	2948	# get handled first
…		…
2021	} else {	2960	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2962	}
2024	}	2963	}
2025	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2026	);	2991	);
2027		2992
2028	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2029		2994
2030	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2073		3038
2074	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2075		3040
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2077		3046
2078	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2079		3048
2080	=pod	3049	=pod
2081		3050
2082	The following fucntions and emthods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2083		3052
2084	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2085	cf::object::player player	3057	cf::object::player
2086	cf::player peaceful	3058	player
2087	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2088		3065
2089	=cut	3066	=cut
2090		3067
2091	for (	3068	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2093	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2096	) {	3075	) {
2097	no strict 'refs';	3076	no strict 'refs';
…		…
2168	=back	3147	=back
2169		3148
2170	=cut	3149	=cut
2171		3150
2172	#############################################################################	3151	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3152	# the server's init and main functions
2246		3153
2247	sub init_resources {	3154	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3162
		3163	warn "loading facedata from $path\n";
		3164
		3165	my $facedata;
		3166	0 < aio_load $path, $facedata
		3167	or die "$path: $!";
		3168
		3169	$facedata = Coro::Storable::thaw $facedata;
		3170
		3171	$facedata->{version} == 2
		3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
		3181	{
		3182	my $faces = $facedata->{faceinfo};
		3183
		3184	while (my ($face, $info) = each %$faces) {
		3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
		3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
		3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3191
		3192	cf::cede_to_tick;
		3193	}
		3194
		3195	while (my ($face, $info) = each %$faces) {
		3196	next unless $info->{smooth};
		3197
		3198	my $idx = cf::face::find $face
		3199	or next;
		3200
		3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
		3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3204	} else {
		3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3206	}
		3207
		3208	cf::cede_to_tick;
		3209	}
		3210	}
		3211
		3212	{
		3213	my $anims = $facedata->{animinfo};
		3214
		3215	while (my ($anim, $info) = each %$anims) {
		3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3217	cf::cede_to_tick;
		3218	}
		3219
		3220	cf::anim::invalidate_all; # d'oh
		3221	}
		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
		3258	1
		3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
		3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
		3304	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3305	or die "unable to load regions file\n";
2250	}
2251		3306
2252	sub cfg_load {	3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
		3311	}
		3312
		3313	sub reload_facedata {
		3314	load_facedata "$DATADIR/facedata"
		3315	or die "unable to load facedata\n";
		3316	}
		3317
		3318	sub reload_archetypes {
		3319	load_resource_file "$DATADIR/archetypes"
		3320	or die "unable to load archetypes\n";
		3321	}
		3322
		3323	sub reload_treasures {
		3324	load_resource_file "$DATADIR/treasures"
		3325	or die "unable to load treasurelists\n";
		3326	}
		3327
		3328	sub reload_resources {
		3329	warn "reloading resource files...\n";
		3330
		3331	reload_facedata;
		3332	reload_archetypes;
		3333	reload_regions;
		3334	reload_treasures;
		3335
		3336	warn "finished reloading resource files\n";
		3337	}
		3338
		3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
		3344	reload_resources;
		3345	}
		3346
		3347	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3349	or return;
2255		3350
2256	local $/;	3351	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2258		3353
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3355
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3363	};
2269	warn $@ if $@;	3364	warn $@ if $@;
2270	}	3365	}
2271	}	3366	}
2272		3367
2273	sub init {	3368	sub pidfile() {
2274	init_resources;	3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
2275	}	3385	}
2276		3386
2277	sub main {	3387	sub main {
		3388	atomic;
		3389
2278	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3393	(async {
2282	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2284	};	3397	};
2285		3398
2286	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2287	db_init;	3402	db_init;
2288	load_extensions;	3403	load_extensions;
2289		3404
2290	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2291	Event::loop;	3413	EV::loop;
2292	}	3414	}
2293		3415
2294	#############################################################################	3416	#############################################################################
2295	# initialisation and cleanup	3417	# initialisation and cleanup
2296		3418
2297	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2298	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2307	},
2308	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2309	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2310	}	3506	}
2311		3507
2312	sub emergency_save() {	3508	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2314		3510
…		…
2320	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3522	$pl->save;
2326	}	3523	}
2327	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2328		3525
2329	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2335	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2336		3533
2337	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2340	};	3541	};
2341		3542
2342	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2343	}	3544	}
2344		3545
2345	sub post_cleanup {	3546	sub post_cleanup {
2346	my ($make_core) = @_;	3547	my ($make_core) = @_;
2347		3548
2348	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3550	if $make_core;
2350	}
2351		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
		3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
		3583
2352	sub reload() {	3584	sub do_reload_perl() {
2353	# can/must only be called in main	3585	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2356	return;	3588	return;
2357	}	3589	}
2358		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2359	warn "reloading...";	3594	warn "reloading...";
2360		3595
2361	warn "entering sync_job";	3596	warn "entering sync_job";
2362		3597
2363	cf::sync_job {	3598	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3600	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2367		3602
2368	warn "syncing database to disk";	3603	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3605
2371	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2372		3607
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3611	}
2407		3612
2408	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2410	}	3615	%EXT_CORO = ();
2411		3616
2412	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3626	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3627
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2423	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2424	}	3637	}
2425		3638
2426	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2427	}	3654	}
2428		3655
2429	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3659
2433	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
		3662	delete $INC{"cf/pod.pm"};
2435		3663
2436	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3665	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2439		3667
2440	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2441		3669
2442	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2443	require cf;	3671	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3673
2446	warn "loading config and database again";	3674	warn "loading config and database again";
2447	cf::cfg_load;	3675	cf::reload_config;
2448		3676
2449	warn "loading extensions";	3677	warn "loading extensions";
2450	cf::load_extensions;	3678	cf::load_extensions;
2451		3679
2452	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3681	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
		3684	warn "reattaching attachments to players";
		3685	reattach $_ for values %PLAYER;
2456		3686
2457	warn "loading reloadable resources";
2458	init_resources;
2459
2460	warn "leaving sync_job";	3687	warn "leaving sync_job";
2461		3688
2462	1	3689	1
2463	} or do {	3690	} or do {
2464	warn $@;	3691	warn $@;
2465	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3693	};
		3694
		3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
		3698	};
		3699
		3700	our $RELOAD_WATCHER; # used only during reload
		3701
		3702	sub reload_perl() {
		3703	# doing reload synchronously and two reloads happen back-to-back,
		3704	# coro crashes during coro_state_free->destroy here.
		3705
		3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3707	do_reload_perl;
		3708	undef $RELOAD_WATCHER;
2467	};	3709	};
2468		3710	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3711
2474	register_command "reload" => sub {	3712	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2476		3714
2477	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
2479		3717	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3718	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3719	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3720	};
2492	}	3721	}
2493	};	3722	};
2494		3723
2495	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2496		3725
2497	my $bug_warning = 0;	3726	my $bug_warning = 0;
2498		3727
2499	$TICK_WATCHER = Event->timer (	3728	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3729	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3730
2502	prio => 0,	3731	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3733
2505	cb => sub {	3734	my $signal = new Coro::Signal;
		3735	push @WAIT_FOR_TICK, $signal;
		3736	$signal->wait;
		3737	}
		3738
		3739	sub wait_for_tick_begin {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK_BEGIN, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub tick {
2506	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2509	return;	3751	return;
2510	}	3752	}
2511		3753
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3755
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3758	Coro::async_pool {
		3759	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3760	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3762	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3763	}
2539	);	3764
		3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3766	$sig->send;
		3767	}
		3768	while (my $sig = shift @WAIT_FOR_TICK) {
		3769	$sig->send;
		3770	}
		3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
		3781	}
		3782	}
2540		3783
2541	{	3784	{
2542	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3786
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2552		3788	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3790
2568	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3798
2571	cf::sync_job {	3799	cf::sync_job {
2572	eval {	3800	eval {
2573	BDB::db_env_open	3801	BDB::db_env_open
2574	$DB_ENV,	3802	$DB_ENV,
2575	$BDB_ENV_DIR,	3803	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3806	0666;
2579		3807
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3809	};
2585		3810
2586	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3812	};
2588	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2589	}	3824	}
2590		3825
2591	{	3826	{
		3827	# configure IO::AIO
		3828
2592	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2605		3878
2606	END { cf::emergency_save }	3879	END { cf::emergency_save }
2607		3880
2608	1	3881	1
2609		3882

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