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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
		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 %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
87		141
88	sub cf::map::normalise;	142	sub cf::map::normalise;
89		143
…		…
100	=item $cf::RUNTIME	154	=item $cf::RUNTIME
101		155
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	157	every server tick.
104		158
105	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		162
107	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
109		167
110	=item $cf::NOW	168	=item $cf::NOW
111		169
112	The time of the last (current) server tick.	170	The time of the last (current) server tick.
113		171
114	=item $cf::TICK	172	=item $cf::TICK
115		173
116	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
117		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
118	=item %cf::CFG	186	=item %cf::CFG
119		187
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	189	from wherever your confdir points to.
122		190
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		192
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
129		202
130	=back	203	=back
131		204
132	=cut	205	=cut
133		206
134	BEGIN {	207	BEGIN {
135	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	209	my $msg = join "", @_;
137	utf8::encode $msg;
138		210
139	$msg .= "\n"	211	$msg .= "\n"
140	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
141		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
142	LOG llevError, $msg;	216	LOG llevError, $msg;
143	};	217	};
144	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
145		234
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		242
153	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	244	# within the Safe compartment.
155	for my $pkg (qw(	245	for my $pkg (qw(
156	cf::global cf::attachable	246	cf::global cf::attachable
…		…
161	)) {	251	)) {
162	no strict 'refs';	252	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	254	}
165		255
166	$Event::DIED = sub {	256	$EV::DIED = sub {
167	warn "error in event callback: @_";	257	warn "error in event callback: @_";
168	};	258	};
		259
		260	#############################################################################
169		261
170	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
171		263
172	=over 4	264	=over 4
173		265
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	285	$d
194	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
195	}	287	}
196		288
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
200		290
201	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
202		292
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
211		294
212	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
213		296
214	=cut	297	=cut
215		298
216	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
218	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
220		303
221	=item cf::lock_wait $string	304	=item cf::lock_wait $string
222		305
223	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
224		307
…		…
227	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
230	returned.	313	returned.
231		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
232	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
234		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
235	=cut	325	=cut
236		326
237	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
238		329
239	sub lock_wait($) {	330	sub lock_wait($) {
240	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
241		337
242	# wait for lock, if any	338	# wait for lock, if any
243	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	341	Coro::schedule;
…		…
251		347
252	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
253	lock_wait $key;	349	lock_wait $key;
254		350
255	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
256		353
257	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
260	}	358	}
261	}	359	}
262		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	371	}
268	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
269	};	431	}
270	$WRITE_RUNTIME_WATCHER->stop;	432	};
271	$TICK_WATCHER->stop;	433
272	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
354	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
355		541
356	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
361	and return;	545	my ($cb, @args) = @_;
362		546
363	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
364	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
365		550
366	close $fh	551	my @res = Coro::Util::fork_eval {
367	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
368		555
369	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
370	and return;	557	}
371		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
372	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	722	}
374		723
375	=back	724	=back
376		725
377	=cut	726	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
386		735
387	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	738	Deliantra).
390		739
391	=over 4	740	=over 4
392		741
393	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
394		743
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
558		907
559	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		912
564	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	914	my $pkg = shift @arg;
566		915
567	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
597	}	946	}
598		947
599	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
600	} else {	949	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	951	}
603		952
604	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
605	}	954	}
606		955
…		…
608	if (ref $_[0]) {	957	if (ref $_[0]) {
609	_object_attach @_;	958	_object_attach @_;
610	} else {	959	} else {
611	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
612	}	961	}
		962	_recalc_want;
613	};	963	};
614		964
615	# all those should be optimised	965	# all those should be optimised
616	sub cf::attachable::detach {	966	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
621	reattach ($obj);	971	reattach ($obj);
622	} else {	972	} else {
623	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
624	}	974	}
		975	_recalc_want;
625	};	976	};
626		977
627	sub cf::attachable::attached {	978	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
629		980
…		…
644	";	995	";
645	die if $@;	996	die if $@;
646	}	997	}
647		998
648	our $override;	999	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1001
651	sub override {	1002	sub override {
652	$override = 1;	1003	$override = 1;
653	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
654	}	1005	}
655		1006
656	sub do_invoke {	1007	sub do_invoke {
657	my $event = shift;	1008	my $event = shift;
658	my $callbacks = shift;	1009	my $callbacks = shift;
659		1010
660	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
661		1012
662	local $override;	1013	local $override;
663		1014
664	for (@$callbacks) {	1015	for (@$callbacks) {
665	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
674	}	1025	}
675		1026
676	0	1027	0
677	}	1028	}
678		1029
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1033
683	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
684		1035
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1039
689	=back	1040	=back
690		1041
691	=cut	1042	=cut
692		1043
693	#############################################################################	1044	#############################################################################
694	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
695		1088
696	sub reattach {	1089	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1091	my ($obj) = @_;
699		1092
…		…
720	cf::attachable->attach (	1113	cf::attachable->attach (
721	prio => -1000000,	1114	prio => -1000000,
722	on_instantiate => sub {	1115	on_instantiate => sub {
723	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
724		1117
725	$data = from_json $data;	1118	$data = decode_json $data;
726		1119
727	for (@$data) {	1120	for (@$data) {
728	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
729		1122
730	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1139	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
748		1141
749	sync_job {	1142	sync_job {
750	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
753		1147
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1151	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1152	aio_close $fh;
759		1153
760	if (@$objs) {	1154	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1159	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1160	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
768	}	1162	}
769	} else {	1163	} else {
770	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
771	}	1165	}
…		…
776	}	1170	}
777	} else {	1171	} else {
778	aio_unlink $filename;	1172	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
780	}	1174	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1175	};
788	}	1176	}
789		1177
790	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
792		1180
…		…
797		1185
798	sub object_thawer_load {	1186	sub object_thawer_load {
799	my ($filename) = @_;	1187	my ($filename) = @_;
800		1188
801	my ($data, $av);	1189	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1190
806	(aio_load $filename, $data) >= 0	1191	(aio_load $filename, $data) >= 0
807	or return;	1192	or return;
808		1193
809	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
811	or return;	1196	or return;
		1197
812	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
813	}	1200	}
814		1201
		1202	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
817	return ($data, $av);	1206	($data, $av)
818	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
819		1214
820	#############################################################################	1215	#############################################################################
821	# command handling &c	1216	# command handling &c
822		1217
823	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1232	}
838		1233
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1235
841	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
842		1241
843	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
844	called.	1243	called.
845		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
846	=cut	1256	=cut
847		1257
848	sub register_extcmd {	1258	sub register_extcmd {
849	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
850		1260
851	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
852	}	1268	}
853		1269
854	cf::player->attach (	1270	cf::player->attach (
855	on_command => sub {	1271	on_command => sub {
856	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1281	cf::override;
866	},	1282	},
867	on_extcmd => sub {	1283	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
869		1285
870	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1287
872	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
878	} else {	1303	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1305	}
881		1306
882	cf::override;	1307	cf::override;
883	},	1308	},
884	);	1309	);
885		1310
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
921	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1316	next unless -r $path;
923	eval {	1317
924	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
925	1	1374	}
926	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
927	}	1380	};
928	}	1381	}
929		1382
930	#############################################################################	1383	#############################################################################
931		1384
		1385	=back
		1386
932	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
933		1388
934	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
935		1390
936	=cut	1391	=cut
…		…
941		1396
942	=head3 cf::player	1397	=head3 cf::player
943		1398
944	=over 4	1399	=over 4
945		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
946	=item cf::player::find $login	1415	=item cf::player::find $login
947		1416
948	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
949		1418
950	=cut	1419	=cut
951		1420
952	sub playerdir($) {	1421	sub playerdir($) {
953	cf::localdir	1422	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1424	}
959		1425
960	sub path($) {	1426	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1428
963	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
964	}	1430	}
965		1431
966	sub find_active($) {	1432	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1447	my $login = $_[0];
982		1448
983	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
984		1450
985	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
987	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
989	}	1468	}
990	}	1469	}
991	}	1470	}
992		1471
…		…
1001	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1002		1481
1003	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1005		1484
		1485	cf::get_slot 0.01;
		1486
1006	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1007	Coro::cede;	1488	cf::cede_to_tick;
1008	}	1489	}
1009		1490
1010	sub new($) {	1491	sub new($) {
1011	my ($login) = @_;	1492	my ($login) = @_;
1012		1493
…		…
1018	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1019		1500
1020	$self	1501	$self
1021	}	1502	}
1022		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1023	=item $pl->quit_character	1514	=item $pl->quit_character
1024		1515
1025	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1027		1518
1028	=cut	1519	=cut
1029		1520
1030	sub quit_character {	1521	sub quit_character {
1031	my ($pl) = @_;	1522	my ($pl) = @_;
1032		1523
		1524	my $name = $pl->ob->name;
		1525
1033	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1528
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1040		1535
1041	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1046	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1047	}	1562	}
1048		1563
1049	=item cf::player::list_logins	1564	=item cf::player::list_logins
1050		1565
1051	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1053		1568
1054	=cut	1569	=cut
1055		1570
1056	sub list_logins {	1571	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1573	or return [];
1059		1574
1060	my @logins;	1575	my @logins;
1061		1576
1062	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1066		1587
1067	utf8::decode $login;	1588	utf8::decode $login;
1068	push @logins, $login;	1589	push @logins, $login;
1069	}	1590	}
1070		1591
…		…
1078		1599
1079	=cut	1600	=cut
1080		1601
1081	sub maps($) {	1602	sub maps($) {
1082	my ($pl) = @_;	1603	my ($pl) = @_;
		1604
		1605	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1606
1084	my $files = aio_readdir playerdir $pl	1607	my $files = aio_readdir playerdir $pl
1085	or return;	1608	or return;
1086		1609
1087	my @paths;	1610	my @paths;
…		…
1089	for (@$files) {	1612	for (@$files) {
1090	utf8::decode $_;	1613	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1614	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1615	next unless /^$PATH_SEP/o;
1093		1616
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1617	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1618	}
1096		1619
1097	\@paths	1620	\@paths
1098	}	1621	}
1099		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1101		1717
1102	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1103		1719
1104	=cut	1720	=cut
1105		1721
1106	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1108		1724
1109	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1726	}
1113		1727
1114	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1115		1768
1116	=back	1769	=back
1117
1118		1770
1119	=head3 cf::map	1771	=head3 cf::map
1120		1772
1121	=over 4	1773	=over 4
1122		1774
…		…
1134	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1136		1788
1137	sub generate_random_map {	1789	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1139	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1795	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1178		1833
1179	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1180	local $self->{path};	1835	local $self->{path};
1181	local $self->{load_path};	1836	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1837
1185	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1186	}	1839	}
1187		1840
1188	sub normalise {	1841	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1236	return $self;	1889	return $self;
1237	}	1890	}
1238	}	1891	}
1239		1892
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1894	()
1242	}	1895	}
1243		1896
1244	sub init {	1897	sub init {
1245	my ($self) = @_;	1898	my ($self) = @_;
…		…
1260		1913
1261	# the original (read-only) location	1914	# the original (read-only) location
1262	sub load_path {	1915	sub load_path {
1263	my ($self) = @_;	1916	my ($self) = @_;
1264		1917
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1266	}	1919	}
1267		1920
1268	# the temporary/swap location	1921	# the temporary/swap location
1269	sub save_path {	1922	sub save_path {
1270	my ($self) = @_;	1923	my ($self) = @_;
1271		1924
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1274	}	1927	}
1275		1928
1276	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1277	sub uniq_path {	1930	sub uniq_path {
1278	my ($self) = @_;	1931	my ($self) = @_;
1279		1932
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1282	}	1935	}
1283		1936
1284	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1285	# all maps in C++...	1938	# all maps in C++...
1286	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1288		1941
1289	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1291	}	1944	}
1292		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1293	sub unlink_save {	1954	sub unlink_save {
1294	my ($self) = @_;	1955	my ($self) = @_;
1295		1956
1296	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1960	}
1305		1961
1306	sub load_header_from($) {	1962	sub load_header_from($) {
1307	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1308		1964
1309	utf8::encode $path;	1965	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1315		1974
1316	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1317		1976
1318	1	1977	1
1319	}	1978	}
…		…
1358	$self->load_header_orig	2017	$self->load_header_orig
1359	or return;	2018	or return;
1360	$self->prepare_orig;	2019	$self->prepare_orig;
1361	}	2020	}
1362		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
		2027
1363	1	2028	1
1364	}	2029	}
1365		2030
1366	sub find;	2031	sub find;
1367	sub find {	2032	sub find {
1368	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1369		2034
1370	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1371		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1373		2039
1374	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1376	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1377	or return;	2045	or return;
1378		2046
1379	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1380		2048
1381	$map->load_header	2049	$map->load_header
1382	or return;	2050	or return;
1383		2051
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1387	$map->reset;	2057	$map->reset;
1388	undef $guard;
1389	return find $path;	2058	return find $path;
1390	}	2059	}
1391		2060
1392	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1393	}	2062	}
…		…
1400	my ($self) = @_;	2069	my ($self) = @_;
1401		2070
1402	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1403		2072
1404	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1406		2077
		2078	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2080
1409	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1410		2082
1411	$self->alloc;	2083	$self->alloc;
1412		2084
1413	$self->pre_load;	2085	$self->pre_load;
		2086	cf::cede_to_tick;
1414		2087
1415	$self->_load_objects ($self->{load_path}, 1)	2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1416	or return;	2091	or return;
1417		2092
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	2094	if delete $self->{load_original};
1420		2095
1421	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2097	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2100	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1426	}	2104	}
1427	}	2105	}
1428		2106
1429	Coro::cede;	2107	$f->resolve_delayed_derefs;
1430		2108
		2109	cf::cede_to_tick;
1431	# now do the right thing for maps	2110	# now do the right thing for maps
1432	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2113	unless $self->difficulty;
1442	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1443	$self->activate;	2123	$self->activate;
		2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2130	}
1445		2131
1446	$self->post_load;	2132	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2133	}
1450		2134
1451	sub customise_for {	2135	sub customise_for {
1452	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1453		2137
1454	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2139	if $self->per_player;
1456		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1457	$self	2144	$self
1458	}	2145	}
1459		2146
1460	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2148	sub load_neighbours {
1462	my ($map) = @_;	2149	my ($map) = @_;
1463		2150
1464	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1465		2152
1466	for (0 .. 3) {	2153	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1468	or next;	2155	or next;
1469	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1470	or next;	2157	or next;
1471	$neigh->load;	2158	$neigh->load;
1472		2159
		2160	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2163	}
1476		2164
1477	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1479	or next;	2168	or next;
1480	$neigh->load;	2169	$neigh->load;
1481	}	2170	}
1482	}	2171	}
1483		2172
…		…
1488	}	2177	}
1489		2178
1490	sub do_load_sync {	2179	sub do_load_sync {
1491	my ($map) = @_;	2180	my ($map) = @_;
1492		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1493	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1494	}	2186	}
1495		2187
1496	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1498		2190
1499	sub find_async {	2191	sub find_async {
1500	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1501		2193
1502	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1503		2195
1504	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2198	}
1507		2199
1508	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1509	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1510	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2207	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2208	$map->load if $v;
		2209	}
1515		2210
1516	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1517	}	2212	}
1518	}	2213	}
1519	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1520	};	2215	};
1521	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2219	}
1525		2220
1526	sub save {	2221	sub save {
1527	my ($self) = @_;	2222	my ($self) = @_;
1528		2223
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2225
1531	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1532		2227
1533	return unless $self->dirty;	2228	return unless $self->dirty;
1534		2229
…		…
1540	return if $self->{deny_save};	2235	return if $self->{deny_save};
1541		2236
1542	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1543		2238
1544	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1546	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1547		2245
1548	if ($uniq) {	2246	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2249	} else {
…		…
1557	my ($self) = @_;	2255	my ($self) = @_;
1558		2256
1559	# save first because save cedes	2257	# save first because save cedes
1560	$self->save;	2258	$self->save;
1561		2259
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2261
1564	return if $self->players;	2262	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2264	return if $self->{deny_save};
1567		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2270	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2271	}
1571		2272
1572	sub reset_at {	2273	sub reset_at {
1573	my ($self) = @_;	2274	my ($self) = @_;
1574		2275
1575	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1578		2278
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2281
…		…
1592	my ($self) = @_;	2292	my ($self) = @_;
1593		2293
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2295
1596	return if $self->players;	2296	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2297
1599	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1600		2309
1601	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1602		2311
1603	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2314	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2315
1608	$self->unlink_save;	2316	$self->unlink_save;
1609	$self->destroy;	2317	$self->destroy;
1610	}	2318	}
1611		2319
1612	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1613		2321
1614	sub nuke {	2322	sub nuke {
1615	my ($self) = @_;	2323	my ($self) = @_;
1616		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1617	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1618		2329
1619	$self->unlink_save;	2330	$self->unlink_save;
1620		2331
1621	bless $self, "cf::map";	2332	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2337
1627	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1628		2340
1629	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1630	}	2378	}
1631		2379
1632	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1633		2381
1634	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2383	instantiated unique items. May block.
1636		2384
1637	=cut	2385	=cut
1638		2386
1639	sub unique_maps() {	2387	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1641	or return;	2389	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2390	utf8::decode $_;
1647	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2393	? ()
1650	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2396	]
1652
1653	\@paths
1654	}	2397	}
1655
1656	package cf;
1657		2398
1658	=back	2399	=back
1659		2400
1660	=head3 cf::object	2401	=head3 cf::object
1661		2402
…		…
1665		2406
1666	=over 4	2407	=over 4
1667		2408
1668	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1669		2410
1670	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1671		2413
1672	=cut	2414	=cut
1673		2415
1674	sub inv_recursive_;	2416	sub inv_recursive_;
1675	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1678		2420
1679	sub inv_recursive {	2421	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1681	}	2423	}
1682		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1683	package cf;	2453	package cf;
1684		2454
1685	=back	2455	=back
1686		2456
1687	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1696		2466
1697	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1698		2482
1699	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2484	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1704		2488
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2490
1707	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1709	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1712	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1713	}	2516	}
1714		2517
1715	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1716		2519
1717	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1765		2568
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2570
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1770		2573
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2575	}
1773		2576
1774	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1776		2581
1777	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1778		2583
1779	unless ($map) {	2584	unless ($map) {
1780	# restore original map position	2585	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1797		2602
1798	$map->load;	2603	$map->load;
1799	$map->load_diag;	2604	$map->load_neighbours;
1800		2605
1801	return unless $self->contr->active;	2606	return unless $self->contr->active;
1802	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1804	}	2611	}
1805		2612
1806	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2614
1810	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1814	};	2619	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2620
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1841		2624
1842	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2630
1845	$self->enter_link;	2631	$self->enter_link;
1846		2632
1847	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
1848	my $map = eval {	2655	my $map = eval {
1849	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
		2660	$map = $check->($map) if $check && $map;
		2661	} else {
		2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
		2664
1851	$map	2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2671	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1856	})->prio (1);	2679	})->prio (1);
1857	}	2680	}
1858		2681
1859	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1860		2683
…		…
1880	}	2703	}
1881		2704
1882	sub prepare_random_map {	2705	sub prepare_random_map {
1883	my ($exit) = @_;	2706	my ($exit) = @_;
1884		2707
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2710	# that depends on the exit object
1890		2711
1891	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2714	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1898	}	2721	}
1899		2722
1900	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1901		2724
1902	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1905		2728
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2731	undef $fh;
1909	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1910		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1913	}	2740	}
1914	}	2741	}
1915		2742
1916	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
1918		2745
1919	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1920		2747
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2748	$self->enter_link;
1931		2749
1932	(async {	2750	(async {
1933	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1934	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
1935	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
1936		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1937	1;	2774	1
1938	}) {	2775	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2780
1944	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2782	$self->leave_link;
1946	}	2783	}
1947	})->prio (1);	2784	})->prio (1);
…		…
1960		2797
1961	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1963		2800
1964	utf8::encode $text;	2801	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2803	}
1967		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1968		2969
1969	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1970		2971
1971	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2975
1975	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2977	become reliable at some point in the future.
1977		2978
1978	=cut	2979	=cut
1979		2980
1980	sub cf::client::query {	2981	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2990	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2992
1992	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
1994	}	2997	}
1995		2998
1996	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
1997	on_reply => sub {	3005	on_reply => sub {
1998	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
1999		3007
2000	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2001	# get handled first	3009	# get handled first
2002	my $queue = delete $ns->{query_queue}	3010	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3011	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3012
2005	(shift @$queue)->[1]->($msg);	3013	(shift @$queue)->[1]->($msg);
		3014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3015
2007	push @{ $ns->{query_queue} }, @$queue;	3016	push @{ $ns->{query_queue} }, @$queue;
2008		3017
2009	if (@{ $ns->{query_queue} } == @$queue) {	3018	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3019	if (@$queue) {
…		…
2012	} else {	3021	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3023	}
2015	}	3024	}
2016	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2017	);	3052	);
2018		3053
2019	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2020		3055
2021	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2064		3099
2065	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2066		3101
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2068		3107
2069	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2070		3109
2071	=pod	3110	=pod
2072		3111
2073	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2074		3113
2075	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2076	cf::object::player player	3118	cf::object::player
2077	cf::player peaceful	3119	player
2078	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2079		3126
2080	=cut	3127	=cut
2081		3128
2082	for (	3129	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2084	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2087	) {	3136	) {
2088	no strict 'refs';	3137	no strict 'refs';
…		…
2159	=back	3208	=back
2160		3209
2161	=cut	3210	=cut
2162		3211
2163	#############################################################################	3212	#############################################################################
		3213	# the server's init and main functions
2164		3214
2165	=head2 EXTENSION DATABASE SUPPORT	3215	sub load_facedata($) {
		3216	my ($path) = @_;
2166		3217
2167	Crossfire maintains a very simple database for extension use. It can	3218	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3219	# for this (global event?)
2169	excludes objects.	3220	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3221
2171	The parameter C<$family> should best start with the name of the extension	3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3223
2174	=over 4	3224	warn "loading facedata from $path\n";
2175		3225
2176	=item $hashref = cf::db_get $family	3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
2177		3229
2178	Return a hashref for use by the extension C<$family>, which can be	3230	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3231
2182	=item $value = cf::db_get $family => $key	3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3234
2184	Returns a single value from the database	3235	# patch in the exptable
2185		3236	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3237	type => FT_RSRC,
2187		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3239	};
		3240	cf::cede_to_tick;
2214		3241
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3242	{
		3243	my $faces = $facedata->{faceinfo};
2226		3244
2227	my $dirty;	3245	while (my ($face, $info) = each %$faces) {
		3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3247
2229	sub db_sync() {	3248	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3249	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3252
2234	my $idle = Event->idle (	3253	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3254	}
2268	);
2269	}
2270		3255
2271	#############################################################################	3256	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3257	next unless $info->{smooth};
2273		3258
2274	sub cfg_load {	3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
		3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3408	or return;
2277		3409
2278	local $/;	3410	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2280		3412
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3414
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2295	sub main {	3427	sub main {
2296	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3431	(async {
2300	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2302	};	3435	};
2303		3436
2304	cfg_load;	3437	{
2305	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2306	load_extensions;	3441	load_extensions;
2307		3442
2308	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2309	Event::loop;	3446	EV::loop;
2310	}	3447	}
2311		3448
2312	#############################################################################	3449	#############################################################################
2313	# initialisation and cleanup	3450	# initialisation and cleanup
2314		3451
2315	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2316	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2325	},
2326	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2327	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2328	}	3541	}
2329		3542
2330	sub emergency_save() {	3543	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2332		3545
…		…
2338	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3557	$pl->save;
2344	}	3558	}
2345	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2346		3560
2347	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3564	$map->valid or next;
2351	$map->save;	3565	$map->save;
2352	}	3566	}
2353	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2354	};	3576	};
2355		3577
2356	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2357	}	3579	}
2358		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2359	sub reload() {	3588	sub do_reload_perl() {
2360	# can/must only be called in main	3589	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2363	return;	3592	return;
2364	}	3593	}
2365		3594
2366	warn "reloading...";	3595	warn "reloading...";
2367		3596
2368	warn "cancelling server ticker";	3597	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2372		3603
2373	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2374	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383		3608
2384	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2385	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2386	IO::AIO::flush;	3612	IO::AIO::flush;
2387	Coro::cede;	3613	Coro::cede_notself;
2388	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3615	warn "iterate...";
2390	}	3616	}
		3617
		3618	++$RELOAD;
2391		3619
2392	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3622	%EXT_CORO = ();
2395		3623
2396	warn "removing commands";	3624	warn "removing commands";
2397	%COMMAND = ();	3625	%COMMAND = ();
2398		3626
2399	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2401		3630
2402	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2405		3634
…		…
2435	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3666
2438	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2440		3670
2441	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3672	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2444		3674
…		…
2447	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2448	require cf;	3678	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3680
2451	warn "loading config and database again";	3681	warn "loading config and database again";
2452	cf::cfg_load;	3682	cf::reload_config;
2453	cf::db_load;
2454		3683
2455	warn "loading extensions";	3684	warn "loading extensions";
2456	cf::load_extensions;	3685	cf::load_extensions;
2457		3686
2458	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3688	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2462		3693
2463	warn "restarting server ticker";	3694	warn "leaving sync_job";
2464		3695
2465	$TICK_WATCHER->start;	3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2466	};	3700	};
2467
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473		3701
2474	warn "reloaded";	3702	warn "reloaded";
2475	};	3703	};
2476		3704
2477	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2478		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2479	register_command "reload" => sub {	3717	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2481		3719
2482	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2484		3722	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3724	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3725	};
2497	}	3726	}
2498	};	3727	};
2499		3728
2500	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2501		3730
2502	my $bug_warning = 0;	3731	my $bug_warning = 0;
2503		3732
2504	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3735
2507	prio => 0,	3736	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3738
2510	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2511	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2514	return;	3756	return;
2515	}	3757	}
2516		3758
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3760
2523	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3763	Coro::async_pool {
2526	Event::sweep;	3764	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3765	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2561	},	3768	}
2562	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	#undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2563		3880
2564	END { cf::emergency_save }	3881	END { cf::emergency_save }
2565		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2566	1	3885	1
2567		3886

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