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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	104	our $NEXT_TICK;
52	our $NOW;	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
		109	our $BDB_TRICKLE_WATCHER;
		110	our $DB_ENV;
53		111
54	our %CFG;	112	our %CFG;
55		113
56	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
58		117
59	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		121
67	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
70	binmode STDOUT;	130	binmode STDOUT;
71	binmode STDERR;	131	binmode STDERR;
72		132
73	# read virtual server time, if available	133	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
78	}	138	}
79		139
80	mkdir cf::localdir;	140	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		142
86	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
87		144
88	sub cf::map::normalise;	145	sub cf::map::normalise;
89		146
…		…
100	=item $cf::RUNTIME	157	=item $cf::RUNTIME
101		158
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	160	every server tick.
104		161
105	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		165
107	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
109		170
110	=item $cf::NOW	171	=item $cf::NOW
111		172
112	The time of the last (current) server tick.	173	The time of the last (current) server tick.
113		174
114	=item $cf::TICK	175	=item $cf::TICK
115		176
116	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
117		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
118	=item %cf::CFG	189	=item %cf::CFG
119		190
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	192	from wherever your confdir points to.
122		193
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		195
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
129		205
130	=back	206	=back
131		207
132	=cut	208	=cut
133		209
134	BEGIN {	210	BEGIN {
135	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	212	my $msg = join "", @_;
137	utf8::encode $msg;
138		213
139	$msg .= "\n"	214	$msg .= "\n"
140	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
141		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
142	LOG llevError, $msg;	219	LOG llevError, $msg;
143	};	220	};
144	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
145		237
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		245
153	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	247	# within the Safe compartment.
155	for my $pkg (qw(	248	for my $pkg (qw(
156	cf::global cf::attachable	249	cf::global cf::attachable
157	cf::object cf::object::player	250	cf::object cf::object::player
158	cf::client cf::player	251	cf::client cf::player
159	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
160	cf::map cf::party cf::region	254	cf::party cf::region
161	)) {	255	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	257	}
165		258
166	$Event::DIED = sub {	259	$EV::DIED = sub {
167	warn "error in event callback: @_";	260	warn "error in event callback: @_";
168	};	261	};
		262
		263	#############################################################################
169		264
170	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
171		266
172	=over 4	267	=over 4
173		268
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	288	$d
194	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
195	}	290	}
196		291
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
200		293
201	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
202		295
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
211		297
212	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
213		299
214	=cut	300	=cut
215		301
216	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
218	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
220		306
221	=item cf::lock_wait $string	307	=item cf::lock_wait $string
222		308
223	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
224		310
…		…
227	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
230	returned.	316	returned.
231		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
232	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
234		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
235	=cut	328	=cut
236		329
237	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
238		332
239	sub lock_wait($) {	333	sub lock_wait($) {
240	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
241		340
242	# wait for lock, if any	341	# wait for lock, if any
243	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	344	Coro::schedule;
…		…
251		350
252	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
253	lock_wait $key;	352	lock_wait $key;
254		353
255	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
256		356
257	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
260	}	361	}
261	}	362	}
262		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
263	sub freeze_mainloop {	370	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
265		372
266	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	374	}
268	$WRITE_RUNTIME_WATCHER->start;	375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
269	};	434	}
270	$WRITE_RUNTIME_WATCHER->stop;	435	};
271	$TICK_WATCHER->stop;	436
272	$guard	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
273	}	449	}
274		450
275	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
276		452
277	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		458
283	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
284		460
285	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
286		462
287	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
290		467
291	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
294	fast or be very important.	471	fast or be very important.
…		…
297		474
298	sub sync_job(&) {	475	sub sync_job(&) {
299	my ($job) = @_;	476	my ($job) = @_;
300		477
301	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
302	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
304		483
305	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	485
307	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
308		487
309	my $busy = 1;	488	my $busy = 1;
310	my @res;	489	my @res;
311		490
312	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	493	@res = eval { $job->() };
314	warn $@ if $@;	494	warn $@ if $@;
315	undef $busy;	495	undef $busy;
316	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
317		497
318	while ($busy) {	498	while ($busy) {
319	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
320	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
321		509
322	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
323	} else {	511	} else {
324	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
325		513
…		…
345	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
346		534
347	$coro	535	$coro
348	}	536	}
349		537
350	sub write_runtime {	538	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		539
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
354	or return;	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
355		544
356	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
361	and return;	548	my ($cb, @args) = @_;
362		549
363	aio_fsync $fh	550	# we seemingly have to make a local copy of the whole thing,
364	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
365		553
366	close $fh	554	my @res = Coro::Util::fork_eval {
367	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
368		558
369	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
370	and return;	560	}
371		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
372	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	725	}
374		726
375	=back	727	=back
376		728
377	=cut	729	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
386		738
387	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	741	Deliantra).
390		742
391	=over 4	743	=over 4
392		744
393	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
394		746
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
558		910
559	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		915
564	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	917	my $pkg = shift @arg;
566		918
567	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
597	}	949	}
598		950
599	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
600	} else {	952	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	954	}
603		955
604	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
605	}	957	}
606		958
…		…
608	if (ref $_[0]) {	960	if (ref $_[0]) {
609	_object_attach @_;	961	_object_attach @_;
610	} else {	962	} else {
611	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
612	}	964	}
		965	_recalc_want;
613	};	966	};
614		967
615	# all those should be optimised	968	# all those should be optimised
616	sub cf::attachable::detach {	969	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
621	reattach ($obj);	974	reattach ($obj);
622	} else {	975	} else {
623	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
624	}	977	}
		978	_recalc_want;
625	};	979	};
626		980
627	sub cf::attachable::attached {	981	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
629		983
…		…
644	";	998	";
645	die if $@;	999	die if $@;
646	}	1000	}
647		1001
648	our $override;	1002	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1004
651	sub override {	1005	sub override {
652	$override = 1;	1006	$override = 1;
653	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
654	}	1008	}
655		1009
656	sub do_invoke {	1010	sub do_invoke {
657	my $event = shift;	1011	my $event = shift;
658	my $callbacks = shift;	1012	my $callbacks = shift;
659		1013
660	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
661		1015
662	local $override;	1016	local $override;
663		1017
664	for (@$callbacks) {	1018	for (@$callbacks) {
665	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
674	}	1028	}
675		1029
676	0	1030	0
677	}	1031	}
678		1032
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1034
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1036
683	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
684		1038
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1042
689	=back	1043	=back
690		1044
691	=cut	1045	=cut
692		1046
693	#############################################################################	1047	#############################################################################
694	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
695		1091
696	sub reattach {	1092	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1094	my ($obj) = @_;
699		1095
		1096	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1098
702	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
703		1100
704	@$registry = ();	1101	@$registry = ();
705		1102
…		…
720	cf::attachable->attach (	1117	cf::attachable->attach (
721	prio => -1000000,	1118	prio => -1000000,
722	on_instantiate => sub {	1119	on_instantiate => sub {
723	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
724		1121
725	$data = from_json $data;	1122	$data = decode_json $data;
726		1123
727	for (@$data) {	1124	for (@$data) {
728	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
729		1126
730	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1143	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
748		1145
749	sync_job {	1146	sync_job {
750	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
753		1151
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1155	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1156	aio_close $fh;
759		1157
760	if (@$objs) {	1158	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1163	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1164	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
768	}	1166	}
769	} else {	1167	} else {
770	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
771	}	1169	}
…		…
776	}	1174	}
777	} else {	1175	} else {
778	aio_unlink $filename;	1176	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
780	}	1178	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1179	};
788	}	1180	}
789		1181
790	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
792		1184
…		…
797		1189
798	sub object_thawer_load {	1190	sub object_thawer_load {
799	my ($filename) = @_;	1191	my ($filename) = @_;
800		1192
801	my ($data, $av);	1193	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1194
806	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
807	or return;	1196	or return;
808		1197
809	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
811	or return;	1200	or return;
		1201
812	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
813	}	1204	}
814		1205
		1206	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
817	return ($data, $av);	1210	($data, $av)
818	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
819		1218
820	#############################################################################	1219	#############################################################################
821	# command handling &c	1220	# command handling &c
822		1221
823	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1236	}
838		1237
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1239
841	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
842		1245
843	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
844	called.	1247	called.
845		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
846	=cut	1260	=cut
847		1261
848	sub register_extcmd {	1262	sub register_extcmd {
849	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
850		1264
851	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
852	}	1272	}
853		1273
854	cf::player->attach (	1274	cf::player->attach (
855	on_command => sub {	1275	on_command => sub {
856	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1285	cf::override;
866	},	1286	},
867	on_extcmd => sub {	1287	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
869		1289
870	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1291
872	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
878	} else {	1307	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1309	}
881		1310
882	cf::override;	1311	cf::override;
883	},	1312	},
884	);	1313	);
885		1314
886	sub load_extension {
887	my ($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 {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
921	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1320	next unless -r $path;
923	eval {	1321
924	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
925	1	1378	}
926	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
927	}	1384	};
928	}	1385	}
929		1386
930	#############################################################################	1387	#############################################################################
931		1388
		1389	=back
		1390
932	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
933		1392
934	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
935		1394
936	=cut	1395	=cut
…		…
941		1400
942	=head3 cf::player	1401	=head3 cf::player
943		1402
944	=over 4	1403	=over 4
945		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
946	=item cf::player::find $login	1419	=item cf::player::find $login
947		1420
948	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
949		1422
950	=cut	1423	=cut
951		1424
952	sub playerdir($) {	1425	sub playerdir($) {
953	cf::localdir	1426	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1428	}
959		1429
960	sub path($) {	1430	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1432
963	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
964	}	1434	}
965		1435
966	sub find_active($) {	1436	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1451	my $login = $_[0];
982		1452
983	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
984		1454
985	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
987	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
989	}	1472	}
990	}	1473	}
991	}	1474	}
992		1475
…		…
1001	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1002		1485
1003	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1005		1488
		1489	cf::get_slot 0.01;
		1490
1006	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1007	Coro::cede;	1492	cf::cede_to_tick;
1008	}	1493	}
1009		1494
1010	sub new($) {	1495	sub new($) {
1011	my ($login) = @_;	1496	my ($login) = @_;
1012		1497
…		…
1018	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1019		1504
1020	$self	1505	$self
1021	}	1506	}
1022		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1023	=item $pl->quit_character	1518	=item $pl->quit_character
1024		1519
1025	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1027		1522
1028	=cut	1523	=cut
1029		1524
1030	sub quit_character {	1525	sub quit_character {
1031	my ($pl) = @_;	1526	my ($pl) = @_;
1032		1527
		1528	my $name = $pl->ob->name;
		1529
1033	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1532
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1040		1539
1041	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1046	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1047	}	1566	}
1048		1567
1049	=item cf::player::list_logins	1568	=item cf::player::list_logins
1050		1569
1051	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1053		1572
1054	=cut	1573	=cut
1055		1574
1056	sub list_logins {	1575	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1577	or return [];
1059		1578
1060	my @logins;	1579	my @logins;
1061		1580
1062	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1066		1591
1067	utf8::decode $login;	1592	utf8::decode $login;
1068	push @logins, $login;	1593	push @logins, $login;
1069	}	1594	}
1070		1595
…		…
1078		1603
1079	=cut	1604	=cut
1080		1605
1081	sub maps($) {	1606	sub maps($) {
1082	my ($pl) = @_;	1607	my ($pl) = @_;
		1608
		1609	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1610
1084	my $files = aio_readdir playerdir $pl	1611	my $files = aio_readdir playerdir $pl
1085	or return;	1612	or return;
1086		1613
1087	my @paths;	1614	my @paths;
…		…
1089	for (@$files) {	1616	for (@$files) {
1090	utf8::decode $_;	1617	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1618	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1619	next unless /^$PATH_SEP/o;
1093		1620
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1621	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1622	}
1096		1623
1097	\@paths	1624	\@paths
1098	}	1625	}
1099		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1101		1632
1102	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1103		1634
1104	=cut	1635	=cut
1105		1636
1106	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1108		1639
1109	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1641	}
1113		1642
1114	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1115		1683
1116	=back	1684	=back
1117
1118		1685
1119	=head3 cf::map	1686	=head3 cf::map
1120		1687
1121	=over 4	1688	=over 4
1122		1689
…		…
1134	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1136		1703
1137	sub generate_random_map {	1704	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1139	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1710	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1178		1748
1179	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1180	local $self->{path};	1750	local $self->{path};
1181	local $self->{load_path};	1751	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1752
1185	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1186	}	1754	}
1187		1755
1188	sub normalise {	1756	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1236	return $self;	1804	return $self;
1237	}	1805	}
1238	}	1806	}
1239		1807
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1809	()
1242	}	1810	}
1243		1811
1244	sub init {	1812	sub init {
1245	my ($self) = @_;	1813	my ($self) = @_;
…		…
1260		1828
1261	# the original (read-only) location	1829	# the original (read-only) location
1262	sub load_path {	1830	sub load_path {
1263	my ($self) = @_;	1831	my ($self) = @_;
1264		1832
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1266	}	1834	}
1267		1835
1268	# the temporary/swap location	1836	# the temporary/swap location
1269	sub save_path {	1837	sub save_path {
1270	my ($self) = @_;	1838	my ($self) = @_;
1271		1839
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1274	}	1842	}
1275		1843
1276	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1277	sub uniq_path {	1845	sub uniq_path {
1278	my ($self) = @_;	1846	my ($self) = @_;
1279		1847
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1282	}	1850	}
1283		1851
1284	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1285	# all maps in C++...	1853	# all maps in C++...
1286	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1288		1856
1289	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1291	}	1859	}
1292		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1293	sub unlink_save {	1869	sub unlink_save {
1294	my ($self) = @_;	1870	my ($self) = @_;
1295		1871
1296	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1875	}
1305		1876
1306	sub load_header_from($) {	1877	sub load_header_from($) {
1307	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1308		1879
1309	utf8::encode $path;	1880	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1315		1889
1316	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1317		1891
1318	1	1892	1
1319	}	1893	}
…		…
1358	$self->load_header_orig	1932	$self->load_header_orig
1359	or return;	1933	or return;
1360	$self->prepare_orig;	1934	$self->prepare_orig;
1361	}	1935	}
1362		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1363	1	1943	1
1364	}	1944	}
1365		1945
1366	sub find;	1946	sub find;
1367	sub find {	1947	sub find {
1368	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1369		1949
1370	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1371		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1373		1954
1374	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1376	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1377	or return;	1960	or return;
1378		1961
1379	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1380		1963
1381	$map->load_header	1964	$map->load_header
1382	or return;	1965	or return;
1383		1966
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1387	$map->reset;	1972	$map->reset;
1388	undef $guard;
1389	return find $path;	1973	return find $path;
1390	}	1974	}
1391		1975
1392	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1393	}	1977	}
…		…
1400	my ($self) = @_;	1984	my ($self) = @_;
1401		1985
1402	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1403		1987
1404	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1406		1992
		1993	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1995
1409	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1410		1997
1411	$self->alloc;	1998	$self->alloc;
1412		1999
1413	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1414		2002
1415	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1416	or return;	2006	or return;
1417		2007
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1419	if delete $self->{load_original};	2009	if delete $self->{load_original};
1420		2010
1421	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2012	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2015	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1426	}	2019	}
1427	}	2020	}
1428		2021
1429	Coro::cede;	2022	$f->resolve_delayed_derefs;
1430		2023
		2024	cf::cede_to_tick;
1431	# now do the right thing for maps	2025	# now do the right thing for maps
1432	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2028	unless $self->difficulty;
1442	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1443	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2045	}
1445		2046
1446	$self->post_load;	2047	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2048	}
1450		2049
1451	sub customise_for {	2050	sub customise_for {
1452	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1453		2052
1454	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2054	if $self->per_player;
1456		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1457	$self	2059	$self
1458	}	2060	}
1459		2061
1460	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2063	sub load_neighbours {
1462	my ($map) = @_;	2064	my ($map) = @_;
1463		2065
1464	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1465		2067
1466	for (0 .. 3) {	2068	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1468	or next;	2070	or next;
1469	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1470	or next;	2072	or next;
1471	$neigh->load;	2073	$neigh->load;
1472		2074
		2075	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2078	}
1476		2079
1477	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1479	or next;	2083	or next;
1480	$neigh->load;	2084	$neigh->load;
1481	}	2085	}
1482	}	2086	}
1483		2087
…		…
1488	}	2092	}
1489		2093
1490	sub do_load_sync {	2094	sub do_load_sync {
1491	my ($map) = @_;	2095	my ($map) = @_;
1492		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1493	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1494	}	2101	}
1495		2102
1496	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1498		2105
1499	sub find_async {	2106	sub find_async {
1500	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1501		2108
1502	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1503		2110
1504	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2113	}
1507		2114
1508	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1509	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1510	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2122	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2123	$map->load if $v;
		2124	}
1515		2125
1516	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1517	}	2127	}
1518	}	2128	}
1519	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1520	};	2130	};
1521	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2134	}
1525		2135
1526	sub save {	2136	sub save {
1527	my ($self) = @_;	2137	my ($self) = @_;
1528		2138
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2140
1531	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1532		2142
1533	return unless $self->dirty;	2143	return unless $self->dirty;
1534		2144
…		…
1540	return if $self->{deny_save};	2150	return if $self->{deny_save};
1541		2151
1542	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1543		2153
1544	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1546	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1547		2160
1548	if ($uniq) {	2161	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2164	} else {
…		…
1557	my ($self) = @_;	2170	my ($self) = @_;
1558		2171
1559	# save first because save cedes	2172	# save first because save cedes
1560	$self->save;	2173	$self->save;
1561		2174
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2176
1564	return if $self->players;	2177	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2179	return if $self->{deny_save};
1567		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2185	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2186	}
1571		2187
1572	sub reset_at {	2188	sub reset_at {
1573	my ($self) = @_;	2189	my ($self) = @_;
1574		2190
1575	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1578		2193
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2196
…		…
1592	my ($self) = @_;	2207	my ($self) = @_;
1593		2208
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2210
1596	return if $self->players;	2211	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2212
1599	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
		2214
		2215	$self->in_memory (cf::MAP_SWAPPED);
		2216
		2217	# need to save uniques path
		2218	unless ($self->{deny_save}) {
		2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2220
		2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2222	if $uniq;
		2223	}
1600		2224
1601	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1602		2226
1603	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2229	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2230
1608	$self->unlink_save;	2231	$self->unlink_save;
1609	$self->destroy;	2232	$self->destroy;
1610	}	2233	}
1611		2234
1612	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1613		2236
1614	sub nuke {	2237	sub nuke {
1615	my ($self) = @_;	2238	my ($self) = @_;
1616		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1617	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1618		2244
1619	$self->unlink_save;	2245	$self->unlink_save;
1620		2246
1621	bless $self, "cf::map";	2247	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2252
1627	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1628		2255
1629	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1630	}	2293	}
1631		2294
1632	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1633		2296
1634	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2298	instantiated unique items. May block.
1636		2299
1637	=cut	2300	=cut
1638		2301
1639	sub unique_maps() {	2302	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1641	or return;	2304	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2305	utf8::decode $_;
1647	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2308	? ()
1650	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2311	]
1652
1653	\@paths
1654	}	2312	}
1655
1656	package cf;
1657		2313
1658	=back	2314	=back
1659		2315
1660	=head3 cf::object	2316	=head3 cf::object
1661		2317
…		…
1665		2321
1666	=over 4	2322	=over 4
1667		2323
1668	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1669		2325
1670	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1671		2328
1672	=cut	2329	=cut
1673		2330
1674	sub inv_recursive_;	2331	sub inv_recursive_;
1675	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1678		2335
1679	sub inv_recursive {	2336	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1681	}	2338	}
1682		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1683	package cf;	2368	package cf;
1684		2369
1685	=back	2370	=back
1686		2371
1687	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1696		2381
1697	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1698		2397
1699	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2399	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1704		2403
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2405
1707	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1709	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1712	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1713	}	2431	}
1714		2432
1715	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1716		2434
1717	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1730		2448
1731	=item $player_object->enter_link	2449	=item $player_object->enter_link
1732		2450
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2452
1735	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1737		2457
1738	Will never block.	2458	Will never block.
1739		2459
1740	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1741		2461
…		…
1764	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1765		2485
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2487
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1770		2490
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2492	}
1773		2493
1774	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1776		2498
1777	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1778		2500
1779	unless ($map) {	2501	unless ($map) {
1780	# restore original map position	2502	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1797		2519
1798	$map->load;	2520	$map->load;
1799	$map->load_diag;	2521	$map->load_neighbours;
1800		2522
1801	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1802	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1804	}	2529	}
1805		2530
1806	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2532
1810	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1814	};	2537	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2538
1820	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2541
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1841		2545
1842	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2551
1845	$self->enter_link;	2552	$self->enter_link;
1846		2553
1847	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1848	my $map = eval {	2576	my $map = eval {
1849	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1851	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2592	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1856	})->prio (1);	2600	})->prio (1);
1857	}	2601	}
1858		2602
1859	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1860		2604
…		…
1880	}	2624	}
1881		2625
1882	sub prepare_random_map {	2626	sub prepare_random_map {
1883	my ($exit) = @_;	2627	my ($exit) = @_;
1884		2628
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2631	# that depends on the exit object
1890		2632
1891	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2635	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1898	}	2642	}
1899		2643
1900	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1901		2645
1902	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1905		2649
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2652	undef $fh;
1909	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1910		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1913	}	2661	}
1914	}	2662	}
1915		2663
1916	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1918		2666
1919	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1920		2668
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2669	$self->enter_link;
1931		2670
1932	(async {	2671	(async {
1933	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1934	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
1935	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1936		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
1937	1;	2695	1
1938	}) {	2696	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2701
1944	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2703	$self->leave_link;
1946	}	2704	}
1947	})->prio (1);	2705	})->prio (1);
…		…
1960		2718
1961	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1963		2721
1964	utf8::encode $text;	2722	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2724	}
1967		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
		2870	=item $client->ext_msg ($type, @msg)
		2871
		2872	Sends an ext event to the client.
		2873
		2874	=cut
		2875
		2876	sub cf::client::ext_msg($$@) {
		2877	my ($self, $type, @msg) = @_;
		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
		2882	push @msg, msgtype => "event_$type";
		2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
		2903	}
1968		2904
1969	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
1970		2906
1971	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2910
1975	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2912	become reliable at some point in the future.
1977		2913
1978	=cut	2914	=cut
1979		2915
1980	sub cf::client::query {	2916	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2925	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2927
1992	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
1994	}	2932	}
1995		2933
1996	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
1997	on_reply => sub {	2940	on_reply => sub {
1998	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
1999		2942
2000	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2001	# get handled first	2944	# get handled first
2002	my $queue = delete $ns->{query_queue}	2945	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2946	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2947
2005	(shift @$queue)->[1]->($msg);	2948	(shift @$queue)->[1]->($msg);
		2949	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2950
2007	push @{ $ns->{query_queue} }, @$queue;	2951	push @{ $ns->{query_queue} }, @$queue;
2008		2952
2009	if (@{ $ns->{query_queue} } == @$queue) {	2953	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2954	if (@$queue) {
…		…
2012	} else {	2956	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2958	}
2015	}	2959	}
2016	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2017	);	2987	);
2018		2988
2019	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2020		2990
2021	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2064		3034
2065	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2066		3036
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2068		3042
2069	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2070		3044
2071	=pod	3045	=pod
2072		3046
2073	The following fucntions and emthods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2074		3048
2075	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2076	cf::object::player player	3053	cf::object::player
2077	cf::player peaceful	3054	player
2078	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2079		3061
2080	=cut	3062	=cut
2081		3063
2082	for (	3064	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2084	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2087	) {	3071	) {
2088	no strict 'refs';	3072	no strict 'refs';
…		…
2159	=back	3143	=back
2160		3144
2161	=cut	3145	=cut
2162		3146
2163	#############################################################################	3147	#############################################################################
		3148	# the server's init and main functions
2164		3149
2165	=head2 EXTENSION DATABASE SUPPORT	3150	sub load_facedata($) {
		3151	my ($path) = @_;
2166		3152
2167	Crossfire maintains a very simple database for extension use. It can	3153	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3154	# for this (global event?)
2169	excludes objects.	3155	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3156
2171	The parameter C<$family> should best start with the name of the extension	3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3158
2174	=over 4	3159	warn "loading facedata from $path\n";
2175		3160
2176	=item $hashref = cf::db_get $family	3161	my $facedata;
		3162	0 < aio_load $path, $facedata
		3163	or die "$path: $!";
2177		3164
2178	Return a hashref for use by the extension C<$family>, which can be	3165	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3166
2182	=item $value = cf::db_get $family => $key	3167	$facedata->{version} == 2
		3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3169
2184	Returns a single value from the database	3170	# patch in the exptable
2185		3171	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3172	type => FT_RSRC,
2187		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3174	};
		3175	cf::cede_to_tick;
2214		3176
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3177	{
		3178	my $faces = $facedata->{faceinfo};
2226		3179
2227	my $dirty;	3180	while (my ($face, $info) = each %$faces) {
		3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3182
2229	sub db_sync() {	3183	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3184	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3187
2234	my $idle = Event->idle (	3188	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3189	}
2268	);
2269	}
2270		3190
2271	#############################################################################	3191	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3192	next unless $info->{smooth};
2273		3193
2274	sub cfg_load {	3194	my $idx = cf::face::find $face
		3195	or next;
		3196
		3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
		3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3200	} else {
		3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3202	}
		3203
		3204	cf::cede_to_tick;
		3205	}
		3206	}
		3207
		3208	{
		3209	my $anims = $facedata->{animinfo};
		3210
		3211	while (my ($anim, $info) = each %$anims) {
		3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3213	cf::cede_to_tick;
		3214	}
		3215
		3216	cf::anim::invalidate_all; # d'oh
		3217	}
		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
		3254	1
		3255	}
		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
		3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
		3300	load_resource_file "$MAPDIR/regions"
		3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
		3307	}
		3308
		3309	sub reload_facedata {
		3310	load_facedata "$DATADIR/facedata"
		3311	or die "unable to load facedata\n";
		3312	}
		3313
		3314	sub reload_archetypes {
		3315	load_resource_file "$DATADIR/archetypes"
		3316	or die "unable to load archetypes\n";
		3317	}
		3318
		3319	sub reload_treasures {
		3320	load_resource_file "$DATADIR/treasures"
		3321	or die "unable to load treasurelists\n";
		3322	}
		3323
		3324	sub reload_resources {
		3325	warn "reloading resource files...\n";
		3326
		3327	reload_facedata;
		3328	reload_archetypes;
		3329	reload_regions;
		3330	reload_treasures;
		3331
		3332	warn "finished reloading resource files\n";
		3333	}
		3334
		3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
		3340	reload_resources;
		3341	}
		3342
		3343	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3345	or return;
2277		3346
2278	local $/;	3347	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2280		3349
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3351
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2290	};	3359	};
2291	warn $@ if $@;	3360	warn $@ if $@;
2292	}	3361	}
2293	}	3362	}
2294		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2295	sub main {	3383	sub main {
		3384	atomic;
		3385
2296	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3389	(async {
2300	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2302	};	3393	};
2303		3394
2304	cfg_load;	3395	{
2305	db_load;	3396	my $guard = freeze_mainloop;
		3397	reload_config;
		3398	db_init;
2306	load_extensions;	3399	load_extensions;
2307		3400
2308	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2309	Event::loop;	3409	EV::loop;
2310	}	3410	}
2311		3411
2312	#############################################################################	3412	#############################################################################
2313	# initialisation and cleanup	3413	# initialisation and cleanup
2314		3414
2315	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2316	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2325	},
2326	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2327	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2328	}	3502	}
2329		3503
2330	sub emergency_save() {	3504	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2332		3506
…		…
2338	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3518	$pl->save;
2344	}	3519	}
2345	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2346		3521
2347	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3524	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3525	$map->valid or next;
2351	$map->save;	3526	$map->save;
2352	}	3527	}
2353	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
		3529
		3530	warn "begin emergency database checkpoint\n";
		3531	BDB::db_env_txn_checkpoint $DB_ENV;
		3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2354	};	3537	};
2355		3538
2356	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2357	}	3540	}
2358		3541
		3542	sub post_cleanup {
		3543	my ($make_core) = @_;
		3544
		3545	warn Carp::longmess "post_cleanup backtrace"
		3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
		3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
		3579
2359	sub reload() {	3580	sub do_reload_perl() {
2360	# can/must only be called in main	3581	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2363	return;	3584	return;
2364	}	3585	}
2365		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2366	warn "reloading...";	3590	warn "reloading...";
2367		3591
2368	warn "cancelling server ticker";	3592	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3593
		3594	cf::sync_job {
		3595	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3596	cf::emergency_save;
		3597	cf::write_runtime_sync; # external watchdog should not bark
2372		3598
2373	eval {	3599	warn "syncing database to disk";
		3600	BDB::db_env_txn_checkpoint $DB_ENV;
		3601
2374	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2375		3603
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2385	for (;;) {	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3607	}
2412		3608
2413	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2415	}	3611	%EXT_CORO = ();
2416		3612
2417	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3622	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3623
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2428	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2429	}	3633	}
2430		3634
2431	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2432	}	3650	}
2433		3651
2434	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3655
2438	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
		3658	delete $INC{"cf/pod.pm"};
2440		3659
2441	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3661	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2444		3663
2445	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2446		3665
2447	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2448	require cf;	3667	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3669
2451	warn "loading config and database again";	3670	warn "loading config and database again";
2452	cf::cfg_load;	3671	cf::reload_config;
2453	cf::db_load;
2454		3672
2455	warn "loading extensions";	3673	warn "loading extensions";
2456	cf::load_extensions;	3674	cf::load_extensions;
2457		3675
2458	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3677	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
		3680	warn "reattaching attachments to players";
		3681	reattach $_ for values %PLAYER;
2462		3682
2463	warn "restarting server ticker";	3683	warn "leaving sync_job";
2464		3684
2465	$TICK_WATCHER->start;	3685	1
		3686	} or do {
		3687	warn $@;
		3688	cf::cleanup "error while reloading, exiting.";
		3689	};
		3690
		3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
		3694	};
		3695
		3696	our $RELOAD_WATCHER; # used only during reload
		3697
		3698	sub reload_perl() {
		3699	# doing reload synchronously and two reloads happen back-to-back,
		3700	# coro crashes during coro_state_free->destroy here.
		3701
		3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3703	do_reload_perl;
		3704	undef $RELOAD_WATCHER;
2466	};	3705	};
2467		3706	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3707
2479	register_command "reload" => sub {	3708	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2481		3710
2482	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
2484		3713	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3714	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3715	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3716	};
2497	}	3717	}
2498	};	3718	};
2499		3719
2500	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2501		3721
2502	my $bug_warning = 0;	3722	my $bug_warning = 0;
2503		3723
2504	$TICK_WATCHER = Event->timer (	3724	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3725	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3726
2507	prio => 0,	3727	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3729
2510	cb => sub {	3730	my $signal = new Coro::Signal;
		3731	push @WAIT_FOR_TICK, $signal;
		3732	$signal->wait;
		3733	}
		3734
		3735	sub wait_for_tick_begin {
		3736	return if tick_inhibit || $Coro::current == $Coro::main;
		3737
		3738	my $signal = new Coro::Signal;
		3739	push @WAIT_FOR_TICK_BEGIN, $signal;
		3740	$signal->wait;
		3741	}
		3742
		3743	sub tick {
2511	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2514	return;	3747	return;
2515	}	3748	}
2516		3749
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3751
2523	$WAIT_FOR_TICK->broadcast;	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3754	Coro::async_pool {
2526	Event::sweep;	3755	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3756	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3757	or warn "ERROR: unable to write runtime file: $!";
		3758	};
2561	},	3759	}
2562	);	3760
		3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3762	$sig->send;
		3763	}
		3764	while (my $sig = shift @WAIT_FOR_TICK) {
		3765	$sig->send;
		3766	}
		3767
		3768	$LOAD = ($NOW - $TICK_START) / $TICK;
		3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3770
		3771	if (0) {
		3772	if ($NEXT_TICK) {
		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
		3777	}
		3778	}
		3779
		3780	{
		3781	# configure BDB
		3782
		3783	BDB::min_parallel 8;
		3784	BDB::max_poll_reqs $TICK * 0.1;
		3785	$AnyEvent::BDB::WATCHER->priority (1);
		3786
		3787	unless ($DB_ENV) {
		3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3794
		3795	cf::sync_job {
		3796	eval {
		3797	BDB::db_env_open
		3798	$DB_ENV,
		3799	$BDBDIR,
		3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3802	0666;
		3803
		3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3805	};
		3806
		3807	cf::cleanup "db_env_open(db): $@" if $@;
		3808	};
		3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
		3820	}
		3821
		3822	{
		3823	# configure IO::AIO
		3824
		3825	IO::AIO::min_parallel 8;
		3826	IO::AIO::max_poll_time $TICK * 0.1;
		3827	undef $AnyEvent::AIO::WATCHER;
		3828	}
		3829
		3830	my $_log_backtrace;
		3831
		3832	sub _log_backtrace {
		3833	my ($msg, @addr) = @_;
		3834
		3835	$msg =~ s/\n//;
		3836
		3837	# limit the # of concurrent backtraces
		3838	if ($_log_backtrace < 2) {
		3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
		3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
		3844	my @bt = fork_call {
		3845	@addr = map { sprintf "%x", $_ } @addr;
		3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3848	or die "addr2line: $!";
		3849
		3850	my @funcs;
		3851	my @res = <$fh>;
		3852	chomp for @res;
		3853	while (@res) {
		3854	my ($func, $line) = splice @res, 0, 2, ();
		3855	push @funcs, "[$func] $line";
		3856	}
		3857
		3858	@funcs
		3859	};
		3860
		3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3863	LOG llevInfo, "[ABT] $_\n" for @bt;
		3864	--$_log_backtrace;
		3865	};
		3866	} else {
		3867	LOG llevInfo, "[ABT] $msg\n";
		3868	LOG llevInfo, "[ABT] [suppressed]\n";
		3869	}
		3870	}
		3871
		3872	# load additional modules
		3873	use cf::pod;
2563		3874
2564	END { cf::emergency_save }	3875	END { cf::emergency_save }
2565		3876
2566	1	3877	1
2567		3878

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