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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	104	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	110	our $DB_ENV;
61		111
62	our %CFG;	112	our %CFG;
63		113
64	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
66		117
67	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		121
76	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
79	binmode STDOUT;	130	binmode STDOUT;
80	binmode STDERR;	131	binmode STDERR;
81		132
82	# read virtual server time, if available	133	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
87	}	138	}
88		139
89	mkdir cf::localdir;	140	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		142
96	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
97		144
98	sub cf::map::normalise;	145	sub cf::map::normalise;
99		146
…		…
110	=item $cf::RUNTIME	157	=item $cf::RUNTIME
111		158
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	160	every server tick.
114		161
115	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		165
117	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
119		170
120	=item $cf::NOW	171	=item $cf::NOW
121		172
122	The time of the last (current) server tick.	173	The time of the last (current) server tick.
123		174
124	=item $cf::TICK	175	=item $cf::TICK
125		176
126	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
127		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
128	=item %cf::CFG	189	=item %cf::CFG
129		190
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	192	from wherever your confdir points to.
132		193
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		195
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
139		205
140	=back	206	=back
141		207
142	=cut	208	=cut
143		209
144	BEGIN {	210	BEGIN {
145	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	212	my $msg = join "", @_;
147	utf8::encode $msg;
148		213
149	$msg .= "\n"	214	$msg .= "\n"
150	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
151		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
152	LOG llevError, $msg;	219	LOG llevError, $msg;
153	};	220	};
154	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
155		237
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		245
163	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	247	# within the Safe compartment.
165	for my $pkg (qw(	248	for my $pkg (qw(
166	cf::global cf::attachable	249	cf::global cf::attachable
167	cf::object cf::object::player	250	cf::object cf::object::player
168	cf::client cf::player	251	cf::client cf::player
169	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
170	cf::map cf::party cf::region	254	cf::party cf::region
171	)) {	255	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	257	}
175		258
176	$Event::DIED = sub {	259	$EV::DIED = sub {
177	warn "error in event callback: @_";	260	warn "error in event callback: @_";
178	};	261	};
		262
		263	#############################################################################
179		264
180	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
181		266
182	=over 4	267	=over 4
183		268
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	288	$d
204	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
205	}	290	}
206		291
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
210		293
211	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
212		295
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
221		297
222	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
223		299
224	=cut	300	=cut
225		301
226	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
228	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
230		306
231	=item cf::lock_wait $string	307	=item cf::lock_wait $string
232		308
233	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
234		310
…		…
237	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
240	returned.	316	returned.
241		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
242	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
244		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
245	=cut	328	=cut
246		329
247	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
248		332
249	sub lock_wait($) {	333	sub lock_wait($) {
250	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
251		340
252	# wait for lock, if any	341	# wait for lock, if any
253	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	344	Coro::schedule;
…		…
261		350
262	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
263	lock_wait $key;	352	lock_wait $key;
264		353
265	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
266		356
267	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
270	}	361	}
271	}	362	}
272		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
273	sub freeze_mainloop {	370	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
275		372
276	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
278	};	434	}
279	$TICK_WATCHER->stop;	435	};
280	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
281	}	449	}
282		450
283	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
284		452
285	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		458
291	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
292		460
293	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
294		462
295	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
298		467
299	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
302	fast or be very important.	471	fast or be very important.
…		…
305		474
306	sub sync_job(&) {	475	sub sync_job(&) {
307	my ($job) = @_;	476	my ($job) = @_;
308		477
309	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
310	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
312		483
313	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	485
315	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
316		487
317	my $busy = 1;	488	my $busy = 1;
318	my @res;	489	my @res;
319		490
320	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	493	@res = eval { $job->() };
322	warn $@ if $@;	494	warn $@ if $@;
323	undef $busy;	495	undef $busy;
324	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
325		497
326	while ($busy) {	498	while ($busy) {
327	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
328	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
329		509
330	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
331	} else {	511	} else {
332	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
333		513
…		…
353	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
354		534
355	$coro	535	$coro
356	}	536	}
357		537
358	sub write_runtime {	538	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		539
361	my $runtime = cf::localdir . "/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
362		544
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
364	or return;
365		546
366	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		549
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
371	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
372		553
373	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	555	reset_signals;
375	and return;	556	&$cb
		557	}, @args;
376		558
377	close $fh	559	wantarray ? @res : $res[-1]
378	or return;	560	}
379		561
380	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
381	and return;
382		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
383	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	725	}
385		726
386	=back	727	=back
387		728
388	=cut	729	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
397		738
398	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	741	Deliantra).
401		742
402	=over 4	743	=over 4
403		744
404	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
405		746
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
569		910
570	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		915
575	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	917	my $pkg = shift @arg;
577		918
578	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
608	}	949	}
609		950
610	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
611	} else {	952	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	954	}
614		955
615	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
616	}	957	}
617		958
…		…
619	if (ref $_[0]) {	960	if (ref $_[0]) {
620	_object_attach @_;	961	_object_attach @_;
621	} else {	962	} else {
622	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
623	}	964	}
		965	_recalc_want;
624	};	966	};
625		967
626	# all those should be optimised	968	# all those should be optimised
627	sub cf::attachable::detach {	969	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
632	reattach ($obj);	974	reattach ($obj);
633	} else {	975	} else {
634	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
635	}	977	}
		978	_recalc_want;
636	};	979	};
637		980
638	sub cf::attachable::attached {	981	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
640		983
…		…
655	";	998	";
656	die if $@;	999	die if $@;
657	}	1000	}
658		1001
659	our $override;	1002	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1004
662	sub override {	1005	sub override {
663	$override = 1;	1006	$override = 1;
664	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
665	}	1008	}
666		1009
667	sub do_invoke {	1010	sub do_invoke {
668	my $event = shift;	1011	my $event = shift;
669	my $callbacks = shift;	1012	my $callbacks = shift;
670		1013
671	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
672		1015
673	local $override;	1016	local $override;
674		1017
675	for (@$callbacks) {	1018	for (@$callbacks) {
676	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
685	}	1028	}
686		1029
687	0	1030	0
688	}	1031	}
689		1032
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1034
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1036
694	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
695		1038
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1042
700	=back	1043	=back
701		1044
702	=cut	1045	=cut
703		1046
704	#############################################################################	1047	#############################################################################
705	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
706		1091
707	sub reattach {	1092	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1094	my ($obj) = @_;
710		1095
		1096	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1098
713	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
714		1100
715	@$registry = ();	1101	@$registry = ();
716		1102
…		…
731	cf::attachable->attach (	1117	cf::attachable->attach (
732	prio => -1000000,	1118	prio => -1000000,
733	on_instantiate => sub {	1119	on_instantiate => sub {
734	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
735		1121
736	$data = from_json $data;	1122	$data = decode_json $data;
737		1123
738	for (@$data) {	1124	for (@$data) {
739	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
740		1126
741	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1143	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
759		1145
760	sync_job {	1146	sync_job {
761	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
764		1151
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1156	aio_close $fh;
770		1157
771	if (@$objs) {	1158	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1164	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
779	}	1166	}
780	} else {	1167	} else {
781	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
782	}	1169	}
…		…
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792	}	1179	};
793	}	1180	}
794		1181
795	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
797		1184
…		…
809	or return;	1196	or return;
810		1197
811	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
813	or return;	1200	or return;
		1201
814	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
815	}	1204	}
816		1205
		1206	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
819	return ($data, $av);	1210	($data, $av)
820	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
821		1218
822	#############################################################################	1219	#############################################################################
823	# command handling &c	1220	# command handling &c
824		1221
825	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1236	}
840		1237
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1239
843	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
844		1245
845	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
846	called.	1247	called.
847		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
848	=cut	1260	=cut
849		1261
850	sub register_extcmd {	1262	sub register_extcmd {
851	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
852		1264
853	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
854	}	1272	}
855		1273
856	cf::player->attach (	1274	cf::player->attach (
857	on_command => sub {	1275	on_command => sub {
858	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1285	cf::override;
868	},	1286	},
869	on_extcmd => sub {	1287	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
871		1289
872	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1291
874	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
880	} else {	1307	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1309	}
883		1310
884	cf::override;	1311	cf::override;
885	},	1312	},
886	);	1313	);
887		1314
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
923	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1320	next unless -r $path;
925	eval {	1321
926	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
927	1	1378	}
928	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
929	}	1384	};
930	}	1385	}
931		1386
932	#############################################################################	1387	#############################################################################
933		1388
		1389	=back
		1390
934	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
935		1392
936	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
937		1394
938	=cut	1395	=cut
…		…
943		1400
944	=head3 cf::player	1401	=head3 cf::player
945		1402
946	=over 4	1403	=over 4
947		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
948	=item cf::player::find $login	1419	=item cf::player::find $login
949		1420
950	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
951		1422
952	=cut	1423	=cut
953		1424
954	sub playerdir($) {	1425	sub playerdir($) {
955	cf::localdir	1426	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1428	}
961		1429
962	sub path($) {	1430	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1432
965	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
966	}	1434	}
967		1435
968	sub find_active($) {	1436	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1451	my $login = $_[0];
984		1452
985	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
986		1454
987	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
989	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
991	}	1472	}
992	}	1473	}
993	}	1474	}
994		1475
…		…
1003	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1004		1485
1005	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1007		1488
		1489	cf::get_slot 0.01;
		1490
1008	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1009	Coro::cede;	1492	cf::cede_to_tick;
1010	}	1493	}
1011		1494
1012	sub new($) {	1495	sub new($) {
1013	my ($login) = @_;	1496	my ($login) = @_;
1014		1497
…		…
1020	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1021		1504
1022	$self	1505	$self
1023	}	1506	}
1024		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1025	=item $pl->quit_character	1518	=item $pl->quit_character
1026		1519
1027	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1029		1522
1030	=cut	1523	=cut
1031		1524
1032	sub quit_character {	1525	sub quit_character {
1033	my ($pl) = @_;	1526	my ($pl) = @_;
1034		1527
		1528	my $name = $pl->ob->name;
		1529
1035	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1532
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1042		1539
1043	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1048	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1049	}	1566	}
1050		1567
1051	=item cf::player::list_logins	1568	=item cf::player::list_logins
1052		1569
1053	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1055		1572
1056	=cut	1573	=cut
1057		1574
1058	sub list_logins {	1575	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1577	or return [];
1061		1578
1062	my @logins;	1579	my @logins;
1063		1580
1064	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1068		1591
1069	utf8::decode $login;	1592	utf8::decode $login;
1070	push @logins, $login;	1593	push @logins, $login;
1071	}	1594	}
1072		1595
…		…
1099	}	1622	}
1100		1623
1101	\@paths	1624	\@paths
1102	}	1625	}
1103		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1105		1632
1106	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1107		1634
1108	=cut	1635	=cut
1109		1636
1110	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1112		1639
1113	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1641	}
1117		1642
1118	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1119		1683
1120	=back	1684	=back
1121
1122		1685
1123	=head3 cf::map	1686	=head3 cf::map
1124		1687
1125	=over 4	1688	=over 4
1126		1689
…		…
1138	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1140		1703
1141	sub generate_random_map {	1704	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1143	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1710	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1182		1748
1183	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1184	local $self->{path};	1750	local $self->{path};
1185	local $self->{load_path};	1751	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1752
1189	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1190	}	1754	}
1191		1755
1192	sub normalise {	1756	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1240	return $self;	1804	return $self;
1241	}	1805	}
1242	}	1806	}
1243		1807
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1809	()
1246	}	1810	}
1247		1811
1248	sub init {	1812	sub init {
1249	my ($self) = @_;	1813	my ($self) = @_;
…		…
1264		1828
1265	# the original (read-only) location	1829	# the original (read-only) location
1266	sub load_path {	1830	sub load_path {
1267	my ($self) = @_;	1831	my ($self) = @_;
1268		1832
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1270	}	1834	}
1271		1835
1272	# the temporary/swap location	1836	# the temporary/swap location
1273	sub save_path {	1837	sub save_path {
1274	my ($self) = @_;	1838	my ($self) = @_;
1275		1839
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1278	}	1842	}
1279		1843
1280	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1281	sub uniq_path {	1845	sub uniq_path {
1282	my ($self) = @_;	1846	my ($self) = @_;
1283		1847
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1286	}	1850	}
1287		1851
1288	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1289	# all maps in C++...	1853	# all maps in C++...
1290	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1292		1856
1293	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1295	}	1859	}
1296		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1297	sub unlink_save {	1869	sub unlink_save {
1298	my ($self) = @_;	1870	my ($self) = @_;
1299		1871
1300	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1876
1305	sub load_header_from($) {	1877	sub load_header_from($) {
1306	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1307		1879
1308	utf8::encode $path;	1880	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1314		1889
1315	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1316		1891
1317	1	1892	1
1318	}	1893	}
…		…
1357	$self->load_header_orig	1932	$self->load_header_orig
1358	or return;	1933	or return;
1359	$self->prepare_orig;	1934	$self->prepare_orig;
1360	}	1935	}
1361		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1362	1	1943	1
1363	}	1944	}
1364		1945
1365	sub find;	1946	sub find;
1366	sub find {	1947	sub find {
1367	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1368		1949
1369	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1370		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1372		1954
1373	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1374	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1375	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1376	or return;	1960	or return;
1377		1961
1378	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1379		1963
1380	$map->load_header	1964	$map->load_header
1381	or return;	1965	or return;
1382		1966
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1386	$map->reset;	1972	$map->reset;
1387	undef $guard;
1388	return find $path;	1973	return find $path;
1389	}	1974	}
1390		1975
1391	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1392	}	1977	}
…		…
1399	my ($self) = @_;	1984	my ($self) = @_;
1400		1985
1401	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1402		1987
1403	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1405		1992
		1993	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1995
1408	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1409		1997
1410	$self->alloc;	1998	$self->alloc;
1411		1999
1412	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1413		2002
1414	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1415	or return;	2006	or return;
1416		2007
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1418	if delete $self->{load_original};	2009	if delete $self->{load_original};
1419		2010
1420	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2012	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2015	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1425	}	2019	}
1426	}	2020	}
1427		2021
1428	Coro::cede;	2022	$f->resolve_delayed_derefs;
1429		2023
		2024	cf::cede_to_tick;
1430	# now do the right thing for maps	2025	# now do the right thing for maps
1431	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2028	unless $self->difficulty;
1441	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1442	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2045	}
1444		2046
1445	$self->post_load;	2047	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2048	}
1449		2049
1450	sub customise_for {	2050	sub customise_for {
1451	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1452		2052
1453	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2054	if $self->per_player;
1455		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1456	$self	2059	$self
1457	}	2060	}
1458		2061
1459	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2063	sub load_neighbours {
1461	my ($map) = @_;	2064	my ($map) = @_;
1462		2065
1463	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1464		2067
1465	for (0 .. 3) {	2068	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1467	or next;	2070	or next;
1468	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1469	or next;	2072	or next;
1470	$neigh->load;	2073	$neigh->load;
1471		2074
		2075	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2078	}
1475		2079
1476	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1478	or next;	2083	or next;
1479	$neigh->load;	2084	$neigh->load;
1480	}	2085	}
1481	}	2086	}
1482		2087
…		…
1487	}	2092	}
1488		2093
1489	sub do_load_sync {	2094	sub do_load_sync {
1490	my ($map) = @_;	2095	my ($map) = @_;
1491		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1492	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1493	}	2101	}
1494		2102
1495	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1497		2105
1498	sub find_async {	2106	sub find_async {
1499	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1500		2108
1501	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1502		2110
1503	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2113	}
1506		2114
1507	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1508	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1509	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2122	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2123	$map->load if $v;
		2124	}
1514		2125
1515	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1516	}	2127	}
1517	}	2128	}
1518	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1519	};	2130	};
1520	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2134	}
1524		2135
1525	sub save {	2136	sub save {
1526	my ($self) = @_;	2137	my ($self) = @_;
1527		2138
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2140
1530	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1531		2142
1532	return unless $self->dirty;	2143	return unless $self->dirty;
1533		2144
…		…
1539	return if $self->{deny_save};	2150	return if $self->{deny_save};
1540		2151
1541	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1542		2153
1543	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1545	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1546		2160
1547	if ($uniq) {	2161	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2164	} else {
…		…
1556	my ($self) = @_;	2170	my ($self) = @_;
1557		2171
1558	# save first because save cedes	2172	# save first because save cedes
1559	$self->save;	2173	$self->save;
1560		2174
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2176
1563	return if $self->players;	2177	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2179	return if $self->{deny_save};
1566		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2185	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2186	}
1570		2187
1571	sub reset_at {	2188	sub reset_at {
1572	my ($self) = @_;	2189	my ($self) = @_;
1573		2190
1574	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1577		2193
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2196
…		…
1591	my ($self) = @_;	2207	my ($self) = @_;
1592		2208
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2210
1595	return if $self->players;	2211	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2212
1598	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1599		2214
1600	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1601		2216
1602	# need to save uniques path	2217	# need to save uniques path
1603	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2222	if $uniq;
1608	}	2223	}
1609		2224
1610	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1611		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2229	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2230
1616	$self->unlink_save;	2231	$self->unlink_save;
1617	$self->destroy;	2232	$self->destroy;
1618	}	2233	}
1619		2234
1620	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1621		2236
1622	sub nuke {	2237	sub nuke {
1623	my ($self) = @_;	2238	my ($self) = @_;
1624		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1625	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1626		2244
1627	$self->unlink_save;	2245	$self->unlink_save;
1628		2246
1629	bless $self, "cf::map";	2247	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2252
1635	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1636		2255
1637	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1638	}	2293	}
1639		2294
1640	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1641		2296
1642	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2298	instantiated unique items. May block.
1644		2299
1645	=cut	2300	=cut
1646		2301
1647	sub unique_maps() {	2302	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1649	or return;	2304	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2305	utf8::decode $_;
1655	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2308	? ()
1658	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2311	]
1660
1661	\@paths
1662	}	2312	}
1663
1664	package cf;
1665		2313
1666	=back	2314	=back
1667		2315
1668	=head3 cf::object	2316	=head3 cf::object
1669		2317
…		…
1673		2321
1674	=over 4	2322	=over 4
1675		2323
1676	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1677		2325
1678	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1679		2328
1680	=cut	2329	=cut
1681		2330
1682	sub inv_recursive_;	2331	sub inv_recursive_;
1683	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1686		2335
1687	sub inv_recursive {	2336	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1689	}	2338	}
1690		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1691	package cf;	2368	package cf;
1692		2369
1693	=back	2370	=back
1694		2371
1695	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1702	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1704		2381
1705	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1706		2397
1707	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2399	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1712		2403
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2405
1715	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1717	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1720	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1721	}	2431	}
1722		2432
1723	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1724		2434
1725	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1738		2448
1739	=item $player_object->enter_link	2449	=item $player_object->enter_link
1740		2450
1741	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1742		2452
1743	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1744	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1745		2457
1746	Will never block.	2458	Will never block.
1747		2459
1748	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1749		2461
…		…
1772	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1773		2485
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2487
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1778		2490
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2492	}
1781		2493
1782	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1784		2498
1785	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1786		2500
1787	unless ($map) {	2501	unless ($map) {
1788	# restore original map position	2502	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1805		2519
1806	$map->load;	2520	$map->load;
1807	$map->load_diag;	2521	$map->load_neighbours;
1808		2522
1809	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1810	$self->activate_recursive;	2525	$self->activate_recursive;
1811		2526
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1814	}	2529	}
1815		2530
1816	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2532
1820	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1824	};	2537	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2538
1830	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2541
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1851		2545
1852	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2551
1855	$self->enter_link;	2552	$self->enter_link;
1856		2553
1857	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1858	my $map = eval {	2576	my $map = eval {
1859	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1861	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2592	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1866	})->prio (1);	2600	})->prio (1);
1867	}	2601	}
1868		2602
1869	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1870		2604
…		…
1890	}	2624	}
1891		2625
1892	sub prepare_random_map {	2626	sub prepare_random_map {
1893	my ($exit) = @_;	2627	my ($exit) = @_;
1894		2628
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2631	# that depends on the exit object
1900		2632
1901	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2635	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1908	}	2642	}
1909		2643
1910	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1911		2645
1912	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1915		2649
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2652	undef $fh;
1919	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1920		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1923	}	2661	}
1924	}	2662	}
1925		2663
1926	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1928		2666
1929	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1930		2668
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2669	$self->enter_link;
1941		2670
1942	(async {	2671	(async {
1943	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1944	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
1945	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1946		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
1947	1;	2695	1
1948	}) {	2696	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2701
1954	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2703	$self->leave_link;
1956	}	2704	}
1957	})->prio (1);	2705	})->prio (1);
…		…
1970		2718
1971	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1973		2721
1974	utf8::encode $text;	2722	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2724	}
1977		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
		2870	=item $client->ext_msg ($type, @msg)
		2871
		2872	Sends an ext event to the client.
		2873
		2874	=cut
		2875
		2876	sub cf::client::ext_msg($$@) {
		2877	my ($self, $type, @msg) = @_;
		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
		2882	push @msg, msgtype => "event_$type";
		2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
		2903	}
1978		2904
1979	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
1980		2906
1981	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2910
1985	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2912	become reliable at some point in the future.
1987		2913
1988	=cut	2914	=cut
1989		2915
1990	sub cf::client::query {	2916	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2925	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2927
2002	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2004	}	2932	}
2005		2933
2006	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2007	on_reply => sub {	2940	on_reply => sub {
2008	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2009		2942
2010	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2011	# get handled first	2944	# get handled first
…		…
2023	} else {	2956	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2958	}
2026	}	2959	}
2027	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2028	);	2987	);
2029		2988
2030	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2031		2990
2032	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2075		3034
2076	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2077		3036
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2079		3042
2080	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2081		3044
2082	=pod	3045	=pod
2083		3046
2084	The following fucntions and emthods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2085		3048
2086	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2087	cf::object::player player	3053	cf::object::player
2088	cf::player peaceful	3054	player
2089	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2090		3061
2091	=cut	3062	=cut
2092		3063
2093	for (	3064	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2098	) {	3071	) {
2099	no strict 'refs';	3072	no strict 'refs';
…		…
2170	=back	3143	=back
2171		3144
2172	=cut	3145	=cut
2173		3146
2174	#############################################################################	3147	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3148	# the server's init and main functions
2248		3149
2249	sub init_resources {	3150	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3158
		3159	warn "loading facedata from $path\n";
		3160
		3161	my $facedata;
		3162	0 < aio_load $path, $facedata
		3163	or die "$path: $!";
		3164
		3165	$facedata = Coro::Storable::thaw $facedata;
		3166
		3167	$facedata->{version} == 2
		3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
		3177	{
		3178	my $faces = $facedata->{faceinfo};
		3179
		3180	while (my ($face, $info) = each %$faces) {
		3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
		3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
		3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	while (my ($face, $info) = each %$faces) {
		3192	next unless $info->{smooth};
		3193
		3194	my $idx = cf::face::find $face
		3195	or next;
		3196
		3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
		3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3200	} else {
		3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3202	}
		3203
		3204	cf::cede_to_tick;
		3205	}
		3206	}
		3207
		3208	{
		3209	my $anims = $facedata->{animinfo};
		3210
		3211	while (my ($anim, $info) = each %$anims) {
		3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3213	cf::cede_to_tick;
		3214	}
		3215
		3216	cf::anim::invalidate_all; # d'oh
		3217	}
		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
		3254	1
		3255	}
		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
		3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
		3300	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3301	or die "unable to load regions file\n";
2252	}
2253		3302
2254	sub cfg_load {	3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
		3307	}
		3308
		3309	sub reload_facedata {
		3310	load_facedata "$DATADIR/facedata"
		3311	or die "unable to load facedata\n";
		3312	}
		3313
		3314	sub reload_archetypes {
		3315	load_resource_file "$DATADIR/archetypes"
		3316	or die "unable to load archetypes\n";
		3317	}
		3318
		3319	sub reload_treasures {
		3320	load_resource_file "$DATADIR/treasures"
		3321	or die "unable to load treasurelists\n";
		3322	}
		3323
		3324	sub reload_resources {
		3325	warn "reloading resource files...\n";
		3326
		3327	reload_facedata;
		3328	reload_archetypes;
		3329	reload_regions;
		3330	reload_treasures;
		3331
		3332	warn "finished reloading resource files\n";
		3333	}
		3334
		3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
		3340	reload_resources;
		3341	}
		3342
		3343	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3345	or return;
2257		3346
2258	local $/;	3347	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2260		3349
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262		3351
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2270	};	3359	};
2271	warn $@ if $@;	3360	warn $@ if $@;
2272	}	3361	}
2273	}	3362	}
2274		3363
2275	sub init {	3364	sub pidfile() {
2276	init_resources;	3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
2277	}	3381	}
2278		3382
2279	sub main {	3383	sub main {
		3384	atomic;
		3385
2280	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3389	(async {
2284	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2286	};	3393	};
2287		3394
2288	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2289	db_init;	3398	db_init;
2290	load_extensions;	3399	load_extensions;
2291		3400
2292	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2293	Event::loop;	3409	EV::loop;
2294	}	3410	}
2295		3411
2296	#############################################################################	3412	#############################################################################
2297	# initialisation and cleanup	3413	# initialisation and cleanup
2298		3414
2299	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2300	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2309	},
2310	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2311	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2312	}	3502	}
2313		3503
2314	sub emergency_save() {	3504	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2316		3506
…		…
2322	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3518	$pl->save;
2328	}	3519	}
2329	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2330		3521
2331	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2338		3529
2339	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2342	};	3537	};
2343		3538
2344	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2345	}	3540	}
2346		3541
2347	sub post_cleanup {	3542	sub post_cleanup {
2348	my ($make_core) = @_;	3543	my ($make_core) = @_;
2349		3544
2350	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3546	if $make_core;
2352	}
2353		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
		3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
		3579
2354	sub reload() {	3580	sub do_reload_perl() {
2355	# can/must only be called in main	3581	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2358	return;	3584	return;
2359	}	3585	}
2360		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2361	warn "reloading...";	3590	warn "reloading...";
2362		3591
2363	warn "entering sync_job";	3592	warn "entering sync_job";
2364		3593
2365	cf::sync_job {	3594	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3596	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2369		3598
2370	warn "syncing database to disk";	3599	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3601
2373	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2374		3603
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2381	for (;;) {
2382	BDB::flush;
2383	IO::AIO::flush;
2384	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2386	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	}
2388
2389	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();
2392
2393	warn "removing commands";
2394	%COMMAND = ();
2395
2396	warn "removing ext commands";
2397	%EXTCMD = ();
2398
2399	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";
2402
2403	if (my $cb = $pkg->can ("unload")) {
2404	eval {
2405	$cb->($pkg);
2406	1
2407	} or warn "$pkg unloaded, but with errors: $@";
2408	}	3607	}
2409		3608
2410	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2411	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2412	}	3611	%EXT_CORO = ();
2413		3612
2414	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2415	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2418	warn "... unloading $k";	3622	warn "... unloading $pkg";
2419	delete $INC{$k};
2420		3623
2421	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;
2423
2424	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2425	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2426	}	3633	}
2427		3634
2428	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2429	}	3650	}
2430		3651
2431	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3655
2435	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
		3658	delete $INC{"cf/pod.pm"};
2437		3659
2438	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3661	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2441		3663
2442	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2443		3665
2444	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2445	require cf;	3667	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3669
2448	warn "loading config and database again";	3670	warn "loading config and database again";
2449	cf::cfg_load;	3671	cf::reload_config;
2450		3672
2451	warn "loading extensions";	3673	warn "loading extensions";
2452	cf::load_extensions;	3674	cf::load_extensions;
2453		3675
2454	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3677	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
		3680	warn "reattaching attachments to players";
		3681	reattach $_ for values %PLAYER;
2458		3682
2459	warn "loading reloadable resources";
2460	init_resources;
2461
2462	warn "leaving sync_job";	3683	warn "leaving sync_job";
2463		3684
2464	1	3685	1
2465	} or do {	3686	} or do {
2466	warn $@;	3687	warn $@;
2467	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3689	};
		3690
		3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
		3694	};
		3695
		3696	our $RELOAD_WATCHER; # used only during reload
		3697
		3698	sub reload_perl() {
		3699	# doing reload synchronously and two reloads happen back-to-back,
		3700	# coro crashes during coro_state_free->destroy here.
		3701
		3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3703	do_reload_perl;
		3704	undef $RELOAD_WATCHER;
2469	};	3705	};
2470		3706	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3707
2476	register_command "reload" => sub {	3708	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2478		3710
2479	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
2481		3713	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3714	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3715	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3716	};
2494	}	3717	}
2495	};	3718	};
2496		3719
2497	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2498		3721
2499	my $bug_warning = 0;	3722	my $bug_warning = 0;
2500		3723
2501	$TICK_WATCHER = Event->timer (	3724	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3725	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3726
2504	prio => 0,	3727	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3729
2507	cb => sub {	3730	my $signal = new Coro::Signal;
		3731	push @WAIT_FOR_TICK, $signal;
		3732	$signal->wait;
		3733	}
		3734
		3735	sub wait_for_tick_begin {
		3736	return if tick_inhibit || $Coro::current == $Coro::main;
		3737
		3738	my $signal = new Coro::Signal;
		3739	push @WAIT_FOR_TICK_BEGIN, $signal;
		3740	$signal->wait;
		3741	}
		3742
		3743	sub tick {
2508	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2511	return;	3747	return;
2512	}	3748	}
2513		3749
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3751
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3754	Coro::async_pool {
		3755	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3756	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3757	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3758	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3759	}
2540	);	3760
		3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3762	$sig->send;
		3763	}
		3764	while (my $sig = shift @WAIT_FOR_TICK) {
		3765	$sig->send;
		3766	}
		3767
		3768	$LOAD = ($NOW - $TICK_START) / $TICK;
		3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3770
		3771	if (0) {
		3772	if ($NEXT_TICK) {
		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
		3777	}
		3778	}
2541		3779
2542	{	3780	{
2543	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3782
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2553		3784	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3786
2569	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3794
2572	cf::sync_job {	3795	cf::sync_job {
2573	eval {	3796	eval {
2574	BDB::db_env_open	3797	BDB::db_env_open
2575	$DB_ENV,	3798	$DB_ENV,
2576	$BDB_ENV_DIR,	3799	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3802	0666;
2580		3803
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3805	};
2586		3806
2587	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3808	};
2589	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2590	}	3820	}
2591		3821
2592	{	3822	{
		3823	# configure IO::AIO
		3824
2593	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	3828	}
		3829
		3830	my $_log_backtrace;
		3831
		3832	sub _log_backtrace {
		3833	my ($msg, @addr) = @_;
		3834
		3835	$msg =~ s/\n//;
		3836
		3837	# limit the # of concurrent backtraces
		3838	if ($_log_backtrace < 2) {
		3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
		3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
		3844	my @bt = fork_call {
		3845	@addr = map { sprintf "%x", $_ } @addr;
		3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3848	or die "addr2line: $!";
		3849
		3850	my @funcs;
		3851	my @res = <$fh>;
		3852	chomp for @res;
		3853	while (@res) {
		3854	my ($func, $line) = splice @res, 0, 2, ();
		3855	push @funcs, "[$func] $line";
		3856	}
		3857
		3858	@funcs
		3859	};
		3860
		3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3863	LOG llevInfo, "[ABT] $_\n" for @bt;
		3864	--$_log_backtrace;
		3865	};
		3866	} else {
		3867	LOG llevInfo, "[ABT] $msg\n";
		3868	LOG llevInfo, "[ABT] [suppressed]\n";
		3869	}
		3870	}
		3871
		3872	# load additional modules
		3873	use cf::pod;
2606		3874
2607	END { cf::emergency_save }	3875	END { cf::emergency_save }
2608		3876
2609	1	3877	1
2610		3878

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