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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 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;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	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;
54		111
55	our %CFG;	112	our %CFG;
56		113
57	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
59		117
60	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		121
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $TICK_START; # for load detecting purposes
		129
71	binmode STDOUT;	130	binmode STDOUT;
72	binmode STDERR;	131	binmode STDERR;
73		132
74	# read virtual server time, if available	133	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
79	}	138	}
80		139
81	mkdir cf::localdir;	140	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		142
87	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
88		144
89	sub cf::map::normalise;	145	sub cf::map::normalise;
90		146
…		…
101	=item $cf::RUNTIME	157	=item $cf::RUNTIME
102		158
103	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
104	every server tick.	160	every server tick.
105		161
106	=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
107		165
108	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		170
111	=item $cf::NOW	171	=item $cf::NOW
112		172
113	The time of the last (current) server tick.	173	The time of the last (current) server tick.
114		174
115	=item $cf::TICK	175	=item $cf::TICK
116		176
117	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
118		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
119	=item %cf::CFG	189	=item %cf::CFG
120		190
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	192	from wherever your confdir points to.
123		193
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		195
126	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
127	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
128	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.
129	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.
130		205
131	=back	206	=back
132		207
133	=cut	208	=cut
134		209
135	BEGIN {	210	BEGIN {
136	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	212	my $msg = join "", @_;
138	utf8::encode $msg;
139		213
140	$msg .= "\n"	214	$msg .= "\n"
141	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
142		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
143	LOG llevError, $msg;	219	LOG llevError, $msg;
144	};	220	};
145	}	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#?
146		237
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		245
154	# 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
155	# within the Safe compartment.	247	# within the Safe compartment.
156	for my $pkg (qw(	248	for my $pkg (qw(
157	cf::global cf::attachable	249	cf::global cf::attachable
158	cf::object cf::object::player	250	cf::object cf::object::player
159	cf::client cf::player	251	cf::client cf::player
160	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
161	cf::map cf::party cf::region	254	cf::party cf::region
162	)) {	255	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	257	}
166		258
167	$Event::DIED = sub {	259	$EV::DIED = sub {
168	warn "error in event callback: @_";	260	warn "error in event callback: @_";
169	};	261	};
		262
		263	#############################################################################
170		264
171	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
172		266
173	=over 4	267	=over 4
174		268
…		…
193	$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;
194	$d	288	$d
195	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
196	}	290	}
197		291
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
201		293
202	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
203		295
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
212		297
213	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
214		299
215	=cut	300	=cut
216		301
217	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
219	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
221		306
222	=item cf::lock_wait $string	307	=item cf::lock_wait $string
223		308
224	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
225		310
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
231	returned.	316	returned.
232		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
233	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
234	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
235		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
236	=cut	328	=cut
237		329
238	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
239		332
240	sub lock_wait($) {	333	sub lock_wait($) {
241	my ($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#
242		340
243	# wait for lock, if any	341	# wait for lock, if any
244	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	344	Coro::schedule;
…		…
252		350
253	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
254	lock_wait $key;	352	lock_wait $key;
255		353
256	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
257		356
258	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
261	}	361	}
262	}	362	}
263		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
264	sub freeze_mainloop {	370	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
266		372
267	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	374	}
269	$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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
270	};	434	}
271	$WRITE_RUNTIME_WATCHER->stop;	435	};
272	$TICK_WATCHER->stop;	436
273	$guard	437	sub get_slot($;$$) {
		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	$sig->wait;
274	}	449	}
275		450
276	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
277		452
278	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		458
284	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
285		460
286	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
287		462
288	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
291		467
292	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
295	fast or be very important.	471	fast or be very important.
…		…
298		474
299	sub sync_job(&) {	475	sub sync_job(&) {
300	my ($job) = @_;	476	my ($job) = @_;
301		477
302	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
303	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
305		483
306	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	485
308	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
309		487
310	my $busy = 1;	488	my $busy = 1;
311	my @res;	489	my @res;
312		490
313	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	493	@res = eval { $job->() };
315	warn $@ if $@;	494	warn $@ if $@;
316	undef $busy;	495	undef $busy;
317	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
318		497
319	while ($busy) {	498	while ($busy) {
320	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
321	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
322		509
323	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
324	} else {	511	} else {
325	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
326		513
…		…
346	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
347		534
348	$coro	535	$coro
349	}	536	}
350		537
351	sub write_runtime {	538	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		539
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
355	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.
356		544
357	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		546
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
362	and return;	548	my ($cb, @args) = @_;
363		549
364	# always fsync - this file is important	550	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	551	# otherwise perl prematurely frees the stuff :/
366	and return;	552	# TODO: investigate and fix (likely this will be rather laborious)
367		553
368	close $fh	554	my @res = Coro::Util::fork_eval {
369	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
370		558
371	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
372	and return;	560	}
373		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
374	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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 });
375	}	725	}
376		726
377	=back	727	=back
378		728
379	=cut	729	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
388		738
389	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>
390	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
391	crossfire+).	741	Deliantra).
392		742
393	=over 4	743	=over 4
394		744
395	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
396		746
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
560		910
561	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		915
566	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	917	my $pkg = shift @arg;
568		918
569	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
599	}	949	}
600		950
601	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
602	} else {	952	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	954	}
605		955
606	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
607	}	957	}
608		958
…		…
610	if (ref $_[0]) {	960	if (ref $_[0]) {
611	_object_attach @_;	961	_object_attach @_;
612	} else {	962	} else {
613	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
614	}	964	}
		965	_recalc_want;
615	};	966	};
616		967
617	# all those should be optimised	968	# all those should be optimised
618	sub cf::attachable::detach {	969	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
623	reattach ($obj);	974	reattach ($obj);
624	} else {	975	} else {
625	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
626	}	977	}
		978	_recalc_want;
627	};	979	};
628		980
629	sub cf::attachable::attached {	981	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
631		983
…		…
646	";	998	";
647	die if $@;	999	die if $@;
648	}	1000	}
649		1001
650	our $override;	1002	our $override;
651	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?
652		1004
653	sub override {	1005	sub override {
654	$override = 1;	1006	$override = 1;
655	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
656	}	1008	}
657		1009
658	sub do_invoke {	1010	sub do_invoke {
659	my $event = shift;	1011	my $event = shift;
660	my $callbacks = shift;	1012	my $callbacks = shift;
661		1013
662	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
663		1015
664	local $override;	1016	local $override;
665		1017
666	for (@$callbacks) {	1018	for (@$callbacks) {
667	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
676	}	1028	}
677		1029
678	0	1030	0
679	}	1031	}
680		1032
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1034
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1036
685	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
686		1038
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1042
691	=back	1043	=back
692		1044
693	=cut	1045	=cut
694		1046
695	#############################################################################	1047	#############################################################################
696	# 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, $ob2
		1090	}
697		1091
698	sub reattach {	1092	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1094	my ($obj) = @_;
701		1095
		1096	# no longer needed after getting rid of delete_package?
702	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
703		1098
704	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
705		1100
706	@$registry = ();	1101	@$registry = ();
707		1102
…		…
722	cf::attachable->attach (	1117	cf::attachable->attach (
723	prio => -1000000,	1118	prio => -1000000,
724	on_instantiate => sub {	1119	on_instantiate => sub {
725	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
726		1121
727	$data = from_json $data;	1122	$data = decode_json $data;
728		1123
729	for (@$data) {	1124	for (@$data) {
730	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
731		1126
732	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1143	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
750		1145
751	sync_job {	1146	sync_job {
752	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
755		1151
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1156	aio_close $fh;
761		1157
762	if (@$objs) {	1158	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1164	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
770	}	1166	}
771	} else {	1167	} else {
772	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
773	}	1169	}
…		…
778	}	1174	}
779	} else {	1175	} else {
780	aio_unlink $filename;	1176	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
782	}	1178	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1179	};
790	}	1180	}
791		1181
792	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
794		1184
…		…
799		1189
800	sub object_thawer_load {	1190	sub object_thawer_load {
801	my ($filename) = @_;	1191	my ($filename) = @_;
802		1192
803	my ($data, $av);	1193	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1194
808	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
809	or return;	1196	or return;
810		1197
811	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
813	or return;	1200	or return;
		1201
814	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
815	}	1204	}
816		1205
		1206	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
819	return ($data, $av);	1210	($data, $av)
820	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
821		1218
822	#############################################################################	1219	#############################################################################
823	# command handling &c	1220	# command handling &c
824		1221
825	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1236	}
840		1237
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1239
843	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.
844		1245
845	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
846	called.	1247	called.
847		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
848	=cut	1260	=cut
849		1261
850	sub register_extcmd {	1262	sub register_extcmd {
851	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
852		1264
853	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
854	}	1272	}
855		1273
856	cf::player->attach (	1274	cf::player->attach (
857	on_command => sub {	1275	on_command => sub {
858	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1285	cf::override;
868	},	1286	},
869	on_extcmd => sub {	1287	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
871		1289
872	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1291
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
880	} else {	1307	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1309	}
883		1310
884	cf::override;	1311	cf::override;
885	},	1312	},
886	);	1313	);
887		1314
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
923	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1320	next unless -r $path;
925	eval {	1321
926	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	$progress = 1;
927	1	1378	}
928	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
929	}	1384	};
930	}	1385	}
931		1386
932	#############################################################################	1387	#############################################################################
933		1388
		1389	=back
		1390
934	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
935		1392
936	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
937		1394
938	=cut	1395	=cut
…		…
943		1400
944	=head3 cf::player	1401	=head3 cf::player
945		1402
946	=over 4	1403	=over 4
947		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
948	=item cf::player::find $login	1419	=item cf::player::find $login
949		1420
950	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
951		1422
952	=cut	1423	=cut
953		1424
954	sub playerdir($) {	1425	sub playerdir($) {
955	cf::localdir	1426	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1428	}
961		1429
962	sub path($) {	1430	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1432
965	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
966	}	1434	}
967		1435
968	sub find_active($) {	1436	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1451	my $login = $_[0];
984		1452
985	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
986		1454
987	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
991	}	1472	}
992	}	1473	}
993	}	1474	}
994		1475
…		…
1003	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1004		1485
1005	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1007		1488
		1489	cf::get_slot 0.01;
		1490
1008	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1009	Coro::cede;	1492	cf::cede_to_tick;
1010	}	1493	}
1011		1494
1012	sub new($) {	1495	sub new($) {
1013	my ($login) = @_;	1496	my ($login) = @_;
1014		1497
…		…
1020	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1021		1504
1022	$self	1505	$self
1023	}	1506	}
1024		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
1025	=item $pl->quit_character	1518	=item $pl->quit_character
1026		1519
1027	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1029		1522
1030	=cut	1523	=cut
1031		1524
1032	sub quit_character {	1525	sub quit_character {
1033	my ($pl) = @_;	1526	my ($pl) = @_;
1034		1527
		1528	my $name = $pl->ob->name;
		1529
1035	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1036	$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
1037		1532
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1042		1539
1043	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1566	}
1050		1567
1051	=item cf::player::list_logins	1568	=item cf::player::list_logins
1052		1569
1053	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
1054	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1055		1572
1056	=cut	1573	=cut
1057		1574
1058	sub list_logins {	1575	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1577	or return [];
1061		1578
1062	my @logins;	1579	my @logins;
1063		1580
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1068		1591
1069	utf8::decode $login;	1592	utf8::decode $login;
1070	push @logins, $login;	1593	push @logins, $login;
1071	}	1594	}
1072		1595
…		…
1099	}	1622	}
1100		1623
1101	\@paths	1624	\@paths
1102	}	1625	}
1103		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1105		1632
1106	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1107		1634
1108	=cut	1635	=cut
1109		1636
1110	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1112		1639
1113	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1641	}
1117		1642
1118	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	}
1119		1683
1120	=back	1684	=back
1121
1122		1685
1123	=head3 cf::map	1686	=head3 cf::map
1124		1687
1125	=over 4	1688	=over 4
1126		1689
…		…
1138	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1140		1703
1141	sub generate_random_map {	1704	sub generate_random_map {
1142	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
1143	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1710	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1182		1748
1183	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1184	local $self->{path};	1750	local $self->{path};
1185	local $self->{load_path};	1751	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1752
1189	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1190	}	1754	}
1191		1755
1192	sub normalise {	1756	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1240	return $self;	1804	return $self;
1241	}	1805	}
1242	}	1806	}
1243		1807
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1809	()
1246	}	1810	}
1247		1811
1248	sub init {	1812	sub init {
1249	my ($self) = @_;	1813	my ($self) = @_;
…		…
1264		1828
1265	# the original (read-only) location	1829	# the original (read-only) location
1266	sub load_path {	1830	sub load_path {
1267	my ($self) = @_;	1831	my ($self) = @_;
1268		1832
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1270	}	1834	}
1271		1835
1272	# the temporary/swap location	1836	# the temporary/swap location
1273	sub save_path {	1837	sub save_path {
1274	my ($self) = @_;	1838	my ($self) = @_;
1275		1839
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1278	}	1842	}
1279		1843
1280	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1281	sub uniq_path {	1845	sub uniq_path {
1282	my ($self) = @_;	1846	my ($self) = @_;
1283		1847
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1286	}	1850	}
1287		1851
1288	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1289	# all maps in C++...	1853	# all maps in C++...
1290	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1292		1856
1293	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1295	}	1859	}
1296		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1297	sub unlink_save {	1869	sub unlink_save {
1298	my ($self) = @_;	1870	my ($self) = @_;
1299		1871
1300	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1875	}
1309		1876
1310	sub load_header_from($) {	1877	sub load_header_from($) {
1311	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1312		1879
1313	utf8::encode $path;	1880	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	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;
1319		1889
1320	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1321		1891
1322	1	1892	1
1323	}	1893	}
…		…
1362	$self->load_header_orig	1932	$self->load_header_orig
1363	or return;	1933	or return;
1364	$self->prepare_orig;	1934	$self->prepare_orig;
1365	}	1935	}
1366		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
1367	1	1943	1
1368	}	1944	}
1369		1945
1370	sub find;	1946	sub find;
1371	sub find {	1947	sub find {
1372	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1373		1949
1374	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1375		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1377		1954
1378	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1380	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1381	or return;	1960	or return;
1382		1961
1383	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1384		1963
1385	$map->load_header	1964	$map->load_header
1386	or return;	1965	or return;
1387		1966
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1391	$map->reset;	1972	$map->reset;
1392	undef $guard;
1393	return find $path;	1973	return find $path;
1394	}	1974	}
1395		1975
1396	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1397	}	1977	}
…		…
1404	my ($self) = @_;	1984	my ($self) = @_;
1405		1985
1406	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1407		1987
1408	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1410		1992
		1993	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1995
1413	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1414		1997
1415	$self->alloc;	1998	$self->alloc;
1416		1999
1417	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1418		2002
1419	$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)
1420	or return;	2006	or return;
1421		2007
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1423	if delete $self->{load_original};	2009	if delete $self->{load_original};
1424		2010
1425	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2012	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2015	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1430	}	2019	}
1431	}	2020	}
1432		2021
1433	Coro::cede;	2022	$f->resolve_delayed_derefs;
1434		2023
		2024	cf::cede_to_tick;
1435	# now do the right thing for maps	2025	# now do the right thing for maps
1436	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2028	unless $self->difficulty;
1446	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;
1447	$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);
1448	}	2045	}
1449		2046
1450	$self->post_load;	2047	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2048	}
1454		2049
1455	sub customise_for {	2050	sub customise_for {
1456	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1457		2052
1458	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2054	if $self->per_player;
1460		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1461	$self	2059	$self
1462	}	2060	}
1463		2061
1464	# 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
1465	sub load_diag {	2063	sub load_neighbours {
1466	my ($map) = @_;	2064	my ($map) = @_;
1467		2065
1468	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1469		2067
1470	for (0 .. 3) {	2068	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1472	or next;	2070	or next;
1473	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1474	or next;	2072	or next;
1475	$neigh->load;	2073	$neigh->load;
1476		2074
		2075	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2078	}
1480		2079
1481	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1483	or next;	2083	or next;
1484	$neigh->load;	2084	$neigh->load;
1485	}	2085	}
1486	}	2086	}
1487		2087
…		…
1492	}	2092	}
1493		2093
1494	sub do_load_sync {	2094	sub do_load_sync {
1495	my ($map) = @_;	2095	my ($map) = @_;
1496		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1497	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1498	}	2101	}
1499		2102
1500	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1502		2105
1503	sub find_async {	2106	sub find_async {
1504	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1505		2108
1506	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1507		2110
1508	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2113	}
1511		2114
1512	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1513	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1514	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2122	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2123	$map->load if $v;
		2124	}
1519		2125
1520	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1521	}	2127	}
1522	}	2128	}
1523	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1524	};	2130	};
1525	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2134	}
1529		2135
1530	sub save {	2136	sub save {
1531	my ($self) = @_;	2137	my ($self) = @_;
1532		2138
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2140
1535	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1536		2142
1537	return unless $self->dirty;	2143	return unless $self->dirty;
1538		2144
…		…
1544	return if $self->{deny_save};	2150	return if $self->{deny_save};
1545		2151
1546	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1547		2153
1548	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1550	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1551		2160
1552	if ($uniq) {	2161	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2164	} else {
…		…
1561	my ($self) = @_;	2170	my ($self) = @_;
1562		2171
1563	# save first because save cedes	2172	# save first because save cedes
1564	$self->save;	2173	$self->save;
1565		2174
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2176
1568	return if $self->players;	2177	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2179	return if $self->{deny_save};
1571		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2185	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2186	}
1575		2187
1576	sub reset_at {	2188	sub reset_at {
1577	my ($self) = @_;	2189	my ($self) = @_;
1578		2190
1579	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1582		2193
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		2196
…		…
1596	my ($self) = @_;	2207	my ($self) = @_;
1597		2208
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2210
1600	return if $self->players;	2211	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2212
1603	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	}
1604		2224
1605	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1606		2226
1607	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2229	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2230
1612	$self->unlink_save;	2231	$self->unlink_save;
1613	$self->destroy;	2232	$self->destroy;
1614	}	2233	}
1615		2234
1616	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1617		2236
1618	sub nuke {	2237	sub nuke {
1619	my ($self) = @_;	2238	my ($self) = @_;
1620		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1621	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1622		2244
1623	$self->unlink_save;	2245	$self->unlink_save;
1624		2246
1625	bless $self, "cf::map";	2247	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2252
1631	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1632		2255
1633	$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	]
1634	}	2293	}
1635		2294
1636	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1637		2296
1638	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2298	instantiated unique items. May block.
1640		2299
1641	=cut	2300	=cut
1642		2301
1643	sub unique_maps() {	2302	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1645	or return;	2304	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2305	utf8::decode $_;
1651	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2308	? ()
1654	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2311	]
1656
1657	\@paths
1658	}	2312	}
1659
1660	package cf;
1661		2313
1662	=back	2314	=back
1663		2315
1664	=head3 cf::object	2316	=head3 cf::object
1665		2317
…		…
1669		2321
1670	=over 4	2322	=over 4
1671		2323
1672	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1673		2325
1674	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.
1675		2328
1676	=cut	2329	=cut
1677		2330
1678	sub inv_recursive_;	2331	sub inv_recursive_;
1679	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1682		2335
1683	sub inv_recursive {	2336	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1685	}	2338	}
1686		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
1687	package cf;	2368	package cf;
1688		2369
1689	=back	2370	=back
1690		2371
1691	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1697	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>
1698	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
1699	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1700		2381
1701	=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	};
1702		2397
1703	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2399	# with dialog boxes.
1705	#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
1706	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1708		2403
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2405
1711	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1713	} 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 {
1714	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1716	}	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 (@_);
1717	}	2431	}
1718		2432
1719	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1720		2434
1721	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1734		2448
1735	=item $player_object->enter_link	2449	=item $player_object->enter_link
1736		2450
1737	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}>).
1738		2452
1739	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.
1740	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.
1741		2457
1742	Will never block.	2458	Will never block.
1743		2459
1744	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1745		2461
…		…
1768	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1769		2485
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2487
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1774		2490
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2492	}
1777		2493
1778	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1780		2498
1781	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1782		2500
1783	unless ($map) {	2501	unless ($map) {
1784	# restore original map position	2502	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1801		2519
1802	$map->load;	2520	$map->load;
1803	$map->load_diag;	2521	$map->load_neighbours;
1804		2522
1805	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1806	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1808	}	2529	}
1809		2530
1810	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2532
1814	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1818	};	2537	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2538
1824	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2541
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1845		2545
1846	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1847	my ($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;
1848		2551
1849	$self->enter_link;	2552	$self->enter_link;
1850		2553
1851	(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
1852	my $map = eval {	2576	my $map = eval {
1853	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2592	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1860	})->prio (1);	2600	})->prio (1);
1861	}	2601	}
1862		2602
1863	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1864		2604
…		…
1884	}	2624	}
1885		2625
1886	sub prepare_random_map {	2626	sub prepare_random_map {
1887	my ($exit) = @_;	2627	my ($exit) = @_;
1888		2628
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2631	# that depends on the exit object
1894		2632
1895	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2635	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1902	}	2642	}
1903		2643
1904	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1905		2645
1906	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1909		2649
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2652	undef $fh;
1913	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1914		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1917	}	2661	}
1918	}	2662	}
1919		2663
1920	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1922		2666
1923	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1924		2668
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2669	$self->enter_link;
1935		2670
1936	(async {	2671	(async {
1937	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1938	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
1939	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1940		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
1941	1;	2695	1
1942	}) {	2696	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2701
1948	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2703	$self->leave_link;
1950	}	2704	}
1951	})->prio (1);	2705	})->prio (1);
…		…
1964		2718
1965	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1967		2721
1968	utf8::encode $text;	2722	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2724	}
1971		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	}
1972		2904
1973	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
1974		2906
1975	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
1976	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>,
1977	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>.
1978		2910
1979	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
1980	reliable at some point in the future.	2912	become reliable at some point in the future.
1981		2913
1982	=cut	2914	=cut
1983		2915
1984	sub cf::client::query {	2916	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2925	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2927
1996	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
1998	}	2932	}
1999		2933
2000	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2001	on_reply => sub {	2940	on_reply => sub {
2002	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2003		2942
2004	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2005	# get handled first	2944	# get handled first
…		…
2017	} else {	2956	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2958	}
2020	}	2959	}
2021	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($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	},
2022	);	2987	);
2023		2988
2024	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2025		2990
2026	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2069		3034
2070	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2071		3036
2072	$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	));
2073		3042
2074	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2075		3044
2076	=pod	3045	=pod
2077		3046
2078	The following fucntions and emthods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2079		3048
2080	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
2081	cf::object::player player	3053	cf::object::player
2082	cf::player peaceful	3054	player
2083	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2084		3061
2085	=cut	3062	=cut
2086		3063
2087	for (	3064	for (
2088	["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)],
2089	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2092	) {	3071	) {
2093	no strict 'refs';	3072	no strict 'refs';
…		…
2164	=back	3143	=back
2165		3144
2166	=cut	3145	=cut
2167		3146
2168	#############################################################################	3147	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3148	# the server's init and main functions
2278		3149
		3150	sub load_facedata($) {
		3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3158
		3159	warn "loading facedata from $path\n";
		3160
		3161	my $facedata;
		3162	0 < aio_load $path, $facedata
		3163	or die "$path: $!";
		3164
		3165	$facedata = Coro::Storable::thaw $facedata;
		3166
		3167	$facedata->{version} == 2
		3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
		3177	{
		3178	my $faces = $facedata->{faceinfo};
		3179
		3180	while (my ($face, $info) = each %$faces) {
		3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
		3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
		3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	while (my ($face, $info) = each %$faces) {
		3192	next unless $info->{smooth};
		3193
		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
2279	sub load_resources {	3285	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2281	or die "unable to load regions file\n";#d#	3301	or die "unable to load regions file\n";
2282	}
2283		3302
2284	sub cfg_load {	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 {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3345	or return;
2287		3346
2288	local $/;	3347	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2290		3349
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3351
2293	$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};
2294	$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};
…		…
2300	};	3359	};
2301	warn $@ if $@;	3360	warn $@ if $@;
2302	}	3361	}
2303	}	3362	}
2304		3363
2305	sub init {	3364	sub pidfile() {
2306	load_resources;	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 $$;
2307	}	3381	}
2308		3382
2309	sub main {	3383	sub main {
		3384	atomic;
		3385
2310	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2312	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#
2313	(async {	3389	(async {
2314	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2316	};	3393	};
2317		3394
2318	cfg_load;	3395	{
2319	db_load;	3396	my $guard = freeze_mainloop;
		3397	reload_config;
		3398	db_init;
2320	load_extensions;	3399	load_extensions;
2321		3400
2322	$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
2323	Event::loop;	3409	EV::loop;
2324	}	3410	}
2325		3411
2326	#############################################################################	3412	#############################################################################
2327	# initialisation and cleanup	3413	# initialisation and cleanup
2328		3414
2329	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2330	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2339	},
2340	);	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
2341	}	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($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2342	}	3502	}
2343		3503
2344	sub emergency_save() {	3504	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2346		3506
…		…
2352	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3518	$pl->save;
2358	}	3519	}
2359	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2360		3521
2361	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3524	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3525	$map->valid or next;
2365	$map->save;	3526	$map->save;
2366	}	3527	}
2367	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
		3529
		3530	warn "begin emergency database checkpoint\n";
		3531	BDB::db_env_txn_checkpoint $DB_ENV;
		3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2368	};	3537	};
2369		3538
2370	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2371	}	3540	}
2372		3541
		3542	sub post_cleanup {
		3543	my ($make_core) = @_;
		3544
		3545	warn Carp::longmess "post_cleanup backtrace"
		3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3579
2373	sub reload() {	3580	sub do_reload_perl() {
2374	# can/must only be called in main	3581	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2377	return;	3584	return;
2378	}	3585	}
2379		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2380	warn "reloading...";	3590	warn "reloading...";
2381		3591
2382	warn "cancelling server ticker";	3592	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3593
		3594	cf::sync_job {
		3595	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3596	cf::emergency_save;
		3597	cf::write_runtime_sync; # external watchdog should not bark
2386		3598
2387	eval {	3599	warn "syncing database to disk";
		3600	BDB::db_env_txn_checkpoint $DB_ENV;
		3601
2388	# 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
2389		3603
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2399	for (;;) {	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3607	}
2426		3608
2427	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2429	}	3611	%EXT_CORO = ();
2430		3612
2431	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3622	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3623
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2442	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2443	}	3633	}
2444		3634
2445	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 $k;
2446	}	3650	}
2447		3651
2448	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2450	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);
2451		3655
2452	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
		3658	delete $INC{"cf/pod.pm"};
2454		3659
2455	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3661	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2458		3663
2459	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2460		3665
2461	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2462	require cf;	3667	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3669
2465	warn "loading config and database again";	3670	warn "loading config and database again";
2466	cf::cfg_load;	3671	cf::reload_config;
2467	cf::db_load;
2468		3672
2469	warn "loading extensions";	3673	warn "loading extensions";
2470	cf::load_extensions;	3674	cf::load_extensions;
2471		3675
2472	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3677	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
		3680	warn "reattaching attachments to players";
		3681	reattach $_ for values %PLAYER;
2476		3682
2477	warn "loading reloadable resources";	3683	warn "leaving sync_job";
2478	load_resources;
2479		3684
2480	warn "restarting server ticker";	3685	1
		3686	} or do {
		3687	warn $@;
		3688	cf::cleanup "error while reloading, exiting.";
		3689	};
2481		3690
2482	$TICK_WATCHER->start;	3691	warn "reloaded";
		3692	--$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 $RELOAD_WATCHER;
2483	};	3705	};
2484		3706	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3707
2496	register_command "reload" => sub {	3708	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2498		3710
2499	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
2501		3713	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3714	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3715	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3716	};
2514	}	3717	}
2515	};	3718	};
2516		3719
2517	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2518		3721
2519	my $bug_warning = 0;	3722	my $bug_warning = 0;
2520		3723
2521	$TICK_WATCHER = Event->timer (	3724	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3725	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3726
2524	prio => 0,	3727	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3729
2527	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	$signal->wait;
		3741	}
		3742
		3743	sub tick {
2528	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2531	return;	3747	return;
2532	}	3748	}
2533		3749
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3751
2540	$WAIT_FOR_TICK->broadcast;	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3754	Coro::async_pool {
2543	Event::sweep;	3755	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3756	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3757	or warn "ERROR: unable to write runtime file: $!";
		3758	};
2578	},	3759	}
2579	);	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;
2580		3874
2581	END { cf::emergency_save }	3875	END { cf::emergency_save }
2582		3876
2583	1	3877	1
2584		3878

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