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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
79	binmode STDOUT;	133	binmode STDOUT;
80	binmode STDERR;	134	binmode STDERR;
81		135
82	# read virtual server time, if available	136	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
87	}	141	}
88		142
89	mkdir cf::localdir;	143	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		145
96	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
97		147
98	sub cf::map::normalise;	148	sub cf::map::normalise;
99		149
…		…
110	=item $cf::RUNTIME	160	=item $cf::RUNTIME
111		161
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	163	every server tick.
114		164
115	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		168
117	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
119		173
120	=item $cf::NOW	174	=item $cf::NOW
121		175
122	The time of the last (current) server tick.	176	The time of the last (current) server tick.
123		177
124	=item $cf::TICK	178	=item $cf::TICK
125		179
126	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
127		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
128	=item %cf::CFG	192	=item %cf::CFG
129		193
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	195	from wherever your confdir points to.
132		196
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		198
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
139		208
140	=back	209	=back
141		210
142	=cut	211	=cut
143		212
144	BEGIN {	213	BEGIN {
145	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	215	my $msg = join "", @_;
147	utf8::encode $msg;
148		216
149	$msg .= "\n"	217	$msg .= "\n"
150	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
151		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
152	LOG llevError, $msg;	222	LOG llevError, $msg;
153	};	223	};
154	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
155		240
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		248
163	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	250	# within the Safe compartment.
165	for my $pkg (qw(	251	for my $pkg (qw(
166	cf::global cf::attachable	252	cf::global cf::attachable
167	cf::object cf::object::player	253	cf::object cf::object::player
168	cf::client cf::player	254	cf::client cf::player
169	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
170	cf::map cf::party cf::region	257	cf::party cf::region
171	)) {	258	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	260	}
175		261
176	$Event::DIED = sub {	262	$EV::DIED = sub {
177	warn "error in event callback: @_";	263	warn "error in event callback: @_";
178	};	264	};
		265
		266	#############################################################################
179		267
180	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
181		269
182	=over 4	270	=over 4
183		271
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	291	$d
204	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
205	}	293	}
206		294
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
210		296
211	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
212		298
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
221		300
222	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
223		302
224	=cut	303	=cut
225		304
226	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
228	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
230		309
231	=item cf::lock_wait $string	310	=item cf::lock_wait $string
232		311
233	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
234		313
…		…
237	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
240	returned.	319	returned.
241		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
242	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
244		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
245	=cut	331	=cut
246		332
247	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
248		335
249	sub lock_wait($) {	336	sub lock_wait($) {
250	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
251		343
252	# wait for lock, if any	344	# wait for lock, if any
253	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	347	Coro::schedule;
…		…
261		353
262	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
263	lock_wait $key;	355	lock_wait $key;
264		356
265	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
266		359
267	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
270	}	364	}
271	}	365	}
272		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
273	sub freeze_mainloop {	373	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
275		375
276	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	377	}
278	$WRITE_RUNTIME_WATCHER->start;	378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
279	};	437	}
280	$WRITE_RUNTIME_WATCHER->stop;	438	};
281	$TICK_WATCHER->stop;	439
282	$guard	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
283	}	452	}
284		453
285	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
286		455
287	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		461
293	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
294		463
295	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
296		465
297	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
300		470
301	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
304	fast or be very important.	474	fast or be very important.
…		…
307		477
308	sub sync_job(&) {	478	sub sync_job(&) {
309	my ($job) = @_;	479	my ($job) = @_;
310		480
311	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
312	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
314		486
315	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	488
317	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
318		490
319	my $busy = 1;	491	my $busy = 1;
320	my @res;	492	my @res;
321		493
322	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	496	@res = eval { $job->() };
324	warn $@ if $@;	497	warn $@ if $@;
325	undef $busy;	498	undef $busy;
326	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
327		500
328	while ($busy) {	501	while ($busy) {
329	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
330	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
331		512
332	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
333	} else {	514	} else {
334	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
335		516
…		…
355	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
356		537
357	$coro	538	$coro
358	}	539	}
359		540
360	sub write_runtime {	541	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		542
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
364	or return;	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
365		547
366	my $value = $cf::RUNTIME + 90 + 10;	548	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		549
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub fork_call(&@) {
371	and return;	551	my ($cb, @args) = @_;
372		552
373	# always fsync - this file is important	553	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	554	# otherwise perl prematurely frees the stuff :/
375	and return;	555	# TODO: investigate and fix (likely this will be rather laborious)
376		556
377	close $fh	557	my @res = Coro::Util::fork_eval {
378	or return;	558	reset_signals;
		559	&$cb
		560	}, @args;
379		561
380	aio_rename "$runtime~", $runtime	562	wantarray ? @res : $res[-1]
381	and return;	563	}
382		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
383	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	728	}
385		729
386	=back	730	=back
387		731
388	=cut	732	=cut
389		733
390	#############################################################################	734	#############################################################################
391		735
392	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
393		737
394	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
397		741
398	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	744	Deliantra).
401		745
402	=over 4	746	=over 4
403		747
404	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
405		749
…		…
449	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
450		794
451	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
453		797
454	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
456		800
457	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
458		802
459	=over 4	803	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
569		913
570	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		918
575	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	920	my $pkg = shift @arg;
577		921
578	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
608	}	952	}
609		953
610	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
611	} else {	955	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	957	}
614		958
615	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
616	}	960	}
617		961
…		…
619	if (ref $_[0]) {	963	if (ref $_[0]) {
620	_object_attach @_;	964	_object_attach @_;
621	} else {	965	} else {
622	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
623	}	967	}
		968	_recalc_want;
624	};	969	};
625		970
626	# all those should be optimised	971	# all those should be optimised
627	sub cf::attachable::detach {	972	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
632	reattach ($obj);	977	reattach ($obj);
633	} else {	978	} else {
634	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
635	}	980	}
		981	_recalc_want;
636	};	982	};
637		983
638	sub cf::attachable::attached {	984	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
640		986
…		…
655	";	1001	";
656	die if $@;	1002	die if $@;
657	}	1003	}
658		1004
659	our $override;	1005	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1007
662	sub override {	1008	sub override {
663	$override = 1;	1009	$override = 1;
664	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
665	}	1011	}
666		1012
667	sub do_invoke {	1013	sub do_invoke {
668	my $event = shift;	1014	my $event = shift;
669	my $callbacks = shift;	1015	my $callbacks = shift;
670		1016
671	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
672		1018
673	local $override;	1019	local $override;
674		1020
675	for (@$callbacks) {	1021	for (@$callbacks) {
676	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
685	}	1031	}
686		1032
687	0	1033	0
688	}	1034	}
689		1035
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1037
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1039
694	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
695		1041
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1045
700	=back	1046	=back
701		1047
702	=cut	1048	=cut
703		1049
704	#############################################################################	1050	#############################################################################
705	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
706		1094
707	sub reattach {	1095	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1097	my ($obj) = @_;
710		1098
		1099	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1101
713	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
714		1103
715	@$registry = ();	1104	@$registry = ();
716		1105
…		…
731	cf::attachable->attach (	1120	cf::attachable->attach (
732	prio => -1000000,	1121	prio => -1000000,
733	on_instantiate => sub {	1122	on_instantiate => sub {
734	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
735		1124
736	$data = from_json $data;	1125	$data = decode_json $data;
737		1126
738	for (@$data) {	1127	for (@$data) {
739	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
740		1129
741	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1146	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
759		1148
760	sync_job {	1149	sync_job {
761	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
764		1154
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1159	aio_close $fh;
770		1160
771	if (@$objs) {	1161	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1167	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
779	}	1169	}
780	} else {	1170	} else {
781	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
782	}	1172	}
…		…
787	}	1177	}
788	} else {	1178	} else {
789	aio_unlink $filename;	1179	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
791	}	1181	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1182	};
799	}	1183	}
800		1184
801	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
803		1187
…		…
808		1192
809	sub object_thawer_load {	1193	sub object_thawer_load {
810	my ($filename) = @_;	1194	my ($filename) = @_;
811		1195
812	my ($data, $av);	1196	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1197
817	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
818	or return;	1199	or return;
819		1200
820	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
822	or return;	1203	or return;
		1204
823	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
824	}	1207	}
825		1208
		1209	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
828	return ($data, $av);	1213	($data, $av)
829	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
830		1221
831	#############################################################################	1222	#############################################################################
832	# command handling &c	1223	# command handling &c
833		1224
834	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1239	}
849		1240
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1242
852	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
853		1248
854	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
855	called.	1250	called.
856		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
857	=cut	1263	=cut
858		1264
859	sub register_extcmd {	1265	sub register_extcmd {
860	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
861		1267
862	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
863	}	1275	}
864		1276
865	cf::player->attach (	1277	cf::player->attach (
866	on_command => sub {	1278	on_command => sub {
867	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1288	cf::override;
877	},	1289	},
878	on_extcmd => sub {	1290	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
880		1292
881	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1294
883	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
889	} else {	1310	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1312	}
892		1313
893	cf::override;	1314	cf::override;
894	},	1315	},
895	);	1316	);
896		1317
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
932	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1323	next unless -r $path;
934	eval {	1324
935	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
936	1	1381	}
937	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
938	}	1387	};
939	}	1388	}
940		1389
941	#############################################################################	1390	#############################################################################
942		1391
		1392	=back
		1393
943	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
944		1395
945	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
946		1397
947	=cut	1398	=cut
948		1399
949	package cf::player;	1400	package cf::player;
950		1401
…		…
952		1403
953	=head3 cf::player	1404	=head3 cf::player
954		1405
955	=over 4	1406	=over 4
956		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
957	=item cf::player::find $login	1422	=item cf::player::find $login
958		1423
959	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
960		1425
961	=cut	1426	=cut
962		1427
963	sub playerdir($) {	1428	sub playerdir($) {
964	cf::localdir	1429	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1431	}
970		1432
971	sub path($) {	1433	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1435
974	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
975	}	1437	}
976		1438
977	sub find_active($) {	1439	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1454	my $login = $_[0];
993		1455
994	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
995		1457
996	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
998	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1000	}	1475	}
1001	}	1476	}
1002	}	1477	}
1003		1478
…		…
1012	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1013		1488
1014	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1016		1491
		1492	cf::get_slot 0.01;
		1493
1017	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1018	Coro::cede;	1495	cf::cede_to_tick;
1019	}	1496	}
1020		1497
1021	sub new($) {	1498	sub new($) {
1022	my ($login) = @_;	1499	my ($login) = @_;
1023		1500
…		…
1029	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1030		1507
1031	$self	1508	$self
1032	}	1509	}
1033		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1034	=item $pl->quit_character	1521	=item $pl->quit_character
1035		1522
1036	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1038		1525
1039	=cut	1526	=cut
1040		1527
1041	sub quit_character {	1528	sub quit_character {
1042	my ($pl) = @_;	1529	my ($pl) = @_;
1043		1530
		1531	my $name = $pl->ob->name;
		1532
1044	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1535
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1051		1542
1052	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1057	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1058	}	1569	}
1059		1570
1060	=item cf::player::list_logins	1571	=item cf::player::list_logins
1061		1572
1062	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1064		1575
1065	=cut	1576	=cut
1066		1577
1067	sub list_logins {	1578	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1580	or return [];
1070		1581
1071	my @logins;	1582	my @logins;
1072		1583
1073	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1077		1594
1078	utf8::decode $login;	1595	utf8::decode $login;
1079	push @logins, $login;	1596	push @logins, $login;
1080	}	1597	}
1081		1598
…		…
1108	}	1625	}
1109		1626
1110	\@paths	1627	\@paths
1111	}	1628	}
1112		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1114		1635
1115	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1116		1637
1117	=cut	1638	=cut
1118		1639
1119	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1121		1642
1122	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1644	}
1126		1645
1127	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1128		1686
1129	=back	1687	=back
1130
1131		1688
1132	=head3 cf::map	1689	=head3 cf::map
1133		1690
1134	=over 4	1691	=over 4
1135		1692
…		…
1147	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1149		1706
1150	sub generate_random_map {	1707	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1152	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1713	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1191		1751
1192	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1193	local $self->{path};	1753	local $self->{path};
1194	local $self->{load_path};	1754	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1755
1198	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1199	}	1757	}
1200		1758
1201	sub normalise {	1759	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1249	return $self;	1807	return $self;
1250	}	1808	}
1251	}	1809	}
1252		1810
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1812	()
1255	}	1813	}
1256		1814
1257	sub init {	1815	sub init {
1258	my ($self) = @_;	1816	my ($self) = @_;
…		…
1273		1831
1274	# the original (read-only) location	1832	# the original (read-only) location
1275	sub load_path {	1833	sub load_path {
1276	my ($self) = @_;	1834	my ($self) = @_;
1277		1835
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1279	}	1837	}
1280		1838
1281	# the temporary/swap location	1839	# the temporary/swap location
1282	sub save_path {	1840	sub save_path {
1283	my ($self) = @_;	1841	my ($self) = @_;
1284		1842
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1287	}	1845	}
1288		1846
1289	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1290	sub uniq_path {	1848	sub uniq_path {
1291	my ($self) = @_;	1849	my ($self) = @_;
1292		1850
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1295	}	1853	}
1296		1854
1297	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1298	# all maps in C++...	1856	# all maps in C++...
1299	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1301		1859
1302	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1304	}	1862	}
1305		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1306	sub unlink_save {	1872	sub unlink_save {
1307	my ($self) = @_;	1873	my ($self) = @_;
1308		1874
1309	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1878	}
1318		1879
1319	sub load_header_from($) {	1880	sub load_header_from($) {
1320	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1321		1882
1322	utf8::encode $path;	1883	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1328		1892
1329	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1330		1894
1331	1	1895	1
1332	}	1896	}
…		…
1371	$self->load_header_orig	1935	$self->load_header_orig
1372	or return;	1936	or return;
1373	$self->prepare_orig;	1937	$self->prepare_orig;
1374	}	1938	}
1375		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1376	1	1946	1
1377	}	1947	}
1378		1948
1379	sub find;	1949	sub find;
1380	sub find {	1950	sub find {
1381	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1382		1952
1383	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1384		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1386		1957
1387	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1389	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1390	or return;	1963	or return;
1391		1964
1392	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1393		1966
1394	$map->load_header	1967	$map->load_header
1395	or return;	1968	or return;
1396		1969
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1400	$map->reset;	1975	$map->reset;
1401	undef $guard;
1402	return find $path;	1976	return find $path;
1403	}	1977	}
1404		1978
1405	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1406	}	1980	}
…		…
1413	my ($self) = @_;	1987	my ($self) = @_;
1414		1988
1415	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1416		1990
1417	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1419		1995
		1996	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1998
1422	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1423		2000
1424	$self->alloc;	2001	$self->alloc;
1425		2002
1426	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1427		2005
1428	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1429	or return;	2009	or return;
1430		2010
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1432	if delete $self->{load_original};	2012	if delete $self->{load_original};
1433		2013
1434	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2015	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2018	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1439	}	2022	}
1440	}	2023	}
1441		2024
1442	Coro::cede;	2025	$f->resolve_delayed_derefs;
1443		2026
		2027	cf::cede_to_tick;
1444	# now do the right thing for maps	2028	# now do the right thing for maps
1445	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2031	unless $self->difficulty;
1455	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1456	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2048	}
1458		2049
1459	$self->post_load;	2050	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2051	}
1463		2052
1464	sub customise_for {	2053	sub customise_for {
1465	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1466		2055
1467	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2057	if $self->per_player;
1469		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1470	$self	2062	$self
1471	}	2063	}
1472		2064
1473	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2066	sub load_neighbours {
1475	my ($map) = @_;	2067	my ($map) = @_;
1476		2068
1477	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1478		2070
1479	for (0 .. 3) {	2071	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1481	or next;	2073	or next;
1482	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1483	or next;	2075	or next;
1484	$neigh->load;	2076	$neigh->load;
1485		2077
		2078	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2081	}
1489		2082
1490	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1492	or next;	2086	or next;
1493	$neigh->load;	2087	$neigh->load;
1494	}	2088	}
1495	}	2089	}
1496		2090
…		…
1501	}	2095	}
1502		2096
1503	sub do_load_sync {	2097	sub do_load_sync {
1504	my ($map) = @_;	2098	my ($map) = @_;
1505		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1506	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1507	}	2104	}
1508		2105
1509	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1511		2108
1512	sub find_async {	2109	sub find_async {
1513	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1514		2111
1515	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1516		2113
1517	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2116	}
1520		2117
1521	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1522	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1523	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2125	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2126	$map->load if $v;
		2127	}
1528		2128
1529	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1530	}	2130	}
1531	}	2131	}
1532	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1533	};	2133	};
1534	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2137	}
1538		2138
1539	sub save {	2139	sub save {
1540	my ($self) = @_;	2140	my ($self) = @_;
1541		2141
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2143
1544	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1545		2145
1546	return unless $self->dirty;	2146	return unless $self->dirty;
1547		2147
…		…
1553	return if $self->{deny_save};	2153	return if $self->{deny_save};
1554		2154
1555	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1556		2156
1557	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1559	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1560		2163
1561	if ($uniq) {	2164	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2167	} else {
…		…
1570	my ($self) = @_;	2173	my ($self) = @_;
1571		2174
1572	# save first because save cedes	2175	# save first because save cedes
1573	$self->save;	2176	$self->save;
1574		2177
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2179
1577	return if $self->players;	2180	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2182	return if $self->{deny_save};
1580		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2188	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2189	}
1584		2190
1585	sub reset_at {	2191	sub reset_at {
1586	my ($self) = @_;	2192	my ($self) = @_;
1587		2193
1588	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1591		2196
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2199
…		…
1605	my ($self) = @_;	2210	my ($self) = @_;
1606		2211
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2213
1609	return if $self->players;	2214	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2215
1612	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1613		2217
1614	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1615		2219
1616	# need to save uniques path	2220	# need to save uniques path
1617	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2225	if $uniq;
1622	}	2226	}
1623		2227
1624	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1625		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2232	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2233
1630	$self->unlink_save;	2234	$self->unlink_save;
1631	$self->destroy;	2235	$self->destroy;
1632	}	2236	}
1633		2237
1634	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1635		2239
1636	sub nuke {	2240	sub nuke {
1637	my ($self) = @_;	2241	my ($self) = @_;
1638		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1639	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1640		2247
1641	$self->unlink_save;	2248	$self->unlink_save;
1642		2249
1643	bless $self, "cf::map";	2250	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2255
1649	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1650		2258
1651	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1652	}	2296	}
1653		2297
1654	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1655		2299
1656	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2301	instantiated unique items. May block.
1658		2302
1659	=cut	2303	=cut
1660		2304
1661	sub unique_maps() {	2305	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1663	or return;	2307	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2308	utf8::decode $_;
1669	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2311	? ()
1672	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2314	]
1674
1675	\@paths
1676	}	2315	}
1677
1678	package cf;
1679		2316
1680	=back	2317	=back
1681		2318
1682	=head3 cf::object	2319	=head3 cf::object
1683		2320
…		…
1687		2324
1688	=over 4	2325	=over 4
1689		2326
1690	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1691		2328
1692	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1693		2331
1694	=cut	2332	=cut
1695		2333
1696	sub inv_recursive_;	2334	sub inv_recursive_;
1697	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1700		2338
1701	sub inv_recursive {	2339	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1703	}	2341	}
1704		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1705	package cf;	2371	package cf;
1706		2372
1707	=back	2373	=back
1708		2374
1709	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1718		2384
1719	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1720		2400
1721	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2402	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1726		2406
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2408
1729	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1731	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1734	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1735	}	2434	}
1736		2435
1737	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1738		2437
1739	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1752		2451
1753	=item $player_object->enter_link	2452	=item $player_object->enter_link
1754		2453
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2455
1757	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1759		2460
1760	Will never block.	2461	Will never block.
1761		2462
1762	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1763		2464
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1826	}	2532	}
1827		2533
1828	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2535
1832	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1836	};	2540	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2541
1842	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2544
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1863		2548
1864	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2554
1867	$self->enter_link;	2555	$self->enter_link;
1868		2556
1869	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1870	my $map = eval {	2579	my $map = eval {
1871	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1873	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2595	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1878	})->prio (1);	2603	})->prio (1);
1879	}	2604	}
1880		2605
1881	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1882		2607
…		…
1902	}	2627	}
1903		2628
1904	sub prepare_random_map {	2629	sub prepare_random_map {
1905	my ($exit) = @_;	2630	my ($exit) = @_;
1906		2631
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2634	# that depends on the exit object
1912		2635
1913	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2638	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1920	}	2645	}
1921		2646
1922	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1923		2648
1924	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1927		2652
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2655	undef $fh;
1931	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1932		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1935	}	2664	}
1936	}	2665	}
1937		2666
1938	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1940		2669
1941	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1942		2671
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2672	$self->enter_link;
1953		2673
1954	(async {	2674	(async {
1955	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1956	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1957	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1958		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1959	1;	2698	1
1960	}) {	2699	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2704
1966	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2706	$self->leave_link;
1968	}	2707	}
1969	})->prio (1);	2708	})->prio (1);
…		…
1982		2721
1983	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1985		2724
1986	utf8::encode $text;	2725	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2727	}
1989		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
		2874	=item $client->ext_msg ($type, @msg)
		2875
		2876	Sends an ext event to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_msg($$@) {
		2881	my ($self, $type, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
		2886	push @msg, msgtype => "event_$type";
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
		2907	}
1990		2908
1991	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
1992		2910
1993	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2914
1997	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2916	become reliable at some point in the future.
1999		2917
2000	=cut	2918	=cut
2001		2919
2002	sub cf::client::query {	2920	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2929	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2931
2014	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2016	}	2936	}
2017		2937
2018	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2019	on_reply => sub {	2944	on_reply => sub {
2020	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2021		2946
2022	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2023	# get handled first	2948	# get handled first
…		…
2035	} else {	2960	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2962	}
2038	}	2963	}
2039	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2040	);	2991	);
2041		2992
2042	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2043		2994
2044	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2087		3038
2088	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2089		3040
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2091		3046
2092	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2093		3048
2094	=pod	3049	=pod
2095		3050
2096	The following fucntions and emthods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2097		3052
2098	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2099	cf::object::player player	3057	cf::object::player
2100	cf::player peaceful	3058	player
2101	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2102		3065
2103	=cut	3066	=cut
2104		3067
2105	for (	3068	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2110	) {	3075	) {
2111	no strict 'refs';	3076	no strict 'refs';
…		…
2182	=back	3147	=back
2183		3148
2184	=cut	3149	=cut
2185		3150
2186	#############################################################################	3151	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3152	# the server's init and main functions
2260		3153
		3154	sub load_facedata($) {
		3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3162
		3163	warn "loading facedata from $path\n";
		3164
		3165	my $facedata;
		3166	0 < aio_load $path, $facedata
		3167	or die "$path: $!";
		3168
		3169	$facedata = Coro::Storable::thaw $facedata;
		3170
		3171	$facedata->{version} == 2
		3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
		3181	{
		3182	my $faces = $facedata->{faceinfo};
		3183
		3184	while (my ($face, $info) = each %$faces) {
		3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
		3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
		3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3191
		3192	cf::cede_to_tick;
		3193	}
		3194
		3195	while (my ($face, $info) = each %$faces) {
		3196	next unless $info->{smooth};
		3197
		3198	my $idx = cf::face::find $face
		3199	or next;
		3200
		3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
		3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3204	} else {
		3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3206	}
		3207
		3208	cf::cede_to_tick;
		3209	}
		3210	}
		3211
		3212	{
		3213	my $anims = $facedata->{animinfo};
		3214
		3215	while (my ($anim, $info) = each %$anims) {
		3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3217	cf::cede_to_tick;
		3218	}
		3219
		3220	cf::anim::invalidate_all; # d'oh
		3221	}
		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
		3258	1
		3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
2261	sub load_resources {	3289	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
		3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
		3304	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3305	or die "unable to load regions file\n";
2264	}
2265		3306
2266	sub cfg_load {	3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
		3311	}
		3312
		3313	sub reload_facedata {
		3314	load_facedata "$DATADIR/facedata"
		3315	or die "unable to load facedata\n";
		3316	}
		3317
		3318	sub reload_archetypes {
		3319	load_resource_file "$DATADIR/archetypes"
		3320	or die "unable to load archetypes\n";
		3321	}
		3322
		3323	sub reload_treasures {
		3324	load_resource_file "$DATADIR/treasures"
		3325	or die "unable to load treasurelists\n";
		3326	}
		3327
		3328	sub reload_resources {
		3329	warn "reloading resource files...\n";
		3330
		3331	reload_facedata;
		3332	reload_archetypes;
		3333	reload_regions;
		3334	reload_treasures;
		3335
		3336	warn "finished reloading resource files\n";
		3337	}
		3338
		3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
		3344	reload_resources;
		3345	}
		3346
		3347	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3349	or return;
2269		3350
2270	local $/;	3351	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2272		3353
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3355
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3363	};
2283	warn $@ if $@;	3364	warn $@ if $@;
2284	}	3365	}
2285	}	3366	}
2286		3367
2287	sub init {	3368	sub pidfile() {
2288	load_resources;	3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
2289	}	3385	}
2290		3386
2291	sub main {	3387	sub main {
		3388	atomic;
		3389
2292	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3393	(async {
2296	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2298	};	3397	};
2299		3398
2300	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2301	db_init;	3402	db_init;
2302	load_extensions;	3403	load_extensions;
2303		3404
2304	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2305	Event::loop;	3413	EV::loop;
2306	}	3414	}
2307		3415
2308	#############################################################################	3416	#############################################################################
2309	# initialisation and cleanup	3417	# initialisation and cleanup
2310		3418
2311	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2312	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2321	},
2322	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2323	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2324	}	3506	}
2325		3507
2326	sub emergency_save() {	3508	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2328		3510
…		…
2334	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3522	$pl->save;
2340	}	3523	}
2341	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2342		3525
2343	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2349	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2350		3533
2351	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2354	};	3541	};
2355		3542
2356	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2357	}	3544	}
2358		3545
2359	sub post_cleanup {	3546	sub post_cleanup {
2360	my ($make_core) = @_;	3547	my ($make_core) = @_;
2361		3548
2362	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3550	if $make_core;
2364	}
2365		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
		3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
		3583
2366	sub reload() {	3584	sub do_reload_perl() {
2367	# can/must only be called in main	3585	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2370	return;	3588	return;
2371	}	3589	}
2372		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2373	warn "reloading...";	3594	warn "reloading...";
2374		3595
2375	warn "entering sync_job";	3596	warn "entering sync_job";
2376		3597
2377	sync_job {	3598	cf::sync_job {
2378	write_runtime;	3599	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3600	cf::emergency_save;
2380	write_runtime;	3601	cf::write_runtime_sync; # external watchdog should not bark
2381		3602
2382	warn "syncing database to disk";	3603	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3605
2385	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2386		3607
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3611	}
2421		3612
2422	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2424	}	3615	%EXT_CORO = ();
2425		3616
2426	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3626	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3627
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2437	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2438	}	3637	}
2439		3638
2440	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2441	}	3654	}
2442		3655
2443	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3659
2447	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
		3662	delete $INC{"cf/pod.pm"};
2449		3663
2450	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3665	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2453		3667
2454	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2455		3669
2456	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2457	require cf;	3671	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3673
2460	warn "loading config and database again";	3674	warn "loading config and database again";
2461	cf::cfg_load;	3675	cf::reload_config;
2462		3676
2463	warn "loading extensions";	3677	warn "loading extensions";
2464	cf::load_extensions;	3678	cf::load_extensions;
2465		3679
2466	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3681	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
		3684	warn "reattaching attachments to players";
		3685	reattach $_ for values %PLAYER;
2470		3686
2471	warn "loading reloadable resources";
2472	load_resources;
2473
2474	warn "leaving sync_job";	3687	warn "leaving sync_job";
2475		3688
2476	1	3689	1
2477	} or do {	3690	} or do {
2478	warn $@;	3691	warn $@;
2479	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3693	};
		3694
		3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
		3698	};
		3699
		3700	our $RELOAD_WATCHER; # used only during reload
		3701
		3702	sub reload_perl() {
		3703	# doing reload synchronously and two reloads happen back-to-back,
		3704	# coro crashes during coro_state_free->destroy here.
		3705
		3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3707	do_reload_perl;
		3708	undef $RELOAD_WATCHER;
2481	};	3709	};
2482		3710	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3711
2488	register_command "reload" => sub {	3712	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2490		3714
2491	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
2493		3717	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3718	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3719	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3720	};
2506	}	3721	}
2507	};	3722	};
2508		3723
2509	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2510		3725
2511	my $bug_warning = 0;	3726	my $bug_warning = 0;
2512		3727
2513	$TICK_WATCHER = Event->timer (	3728	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3729	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3730
2516	prio => 0,	3731	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3733
2519	cb => sub {	3734	my $signal = new Coro::Signal;
		3735	push @WAIT_FOR_TICK, $signal;
		3736	$signal->wait;
		3737	}
		3738
		3739	sub wait_for_tick_begin {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK_BEGIN, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub tick {
2520	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2523	return;	3751	return;
2524	}	3752	}
2525		3753
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3755
2532	$WAIT_FOR_TICK->broadcast;	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534		3758	Coro::async_pool {
2535	# my $AFTER = Event::time;	3759	$Coro::current->{desc} = "runtime saver";
2536	# warn $AFTER - $NOW;#d#	3760	write_runtime_sync
2537		3761	or warn "ERROR: unable to write runtime file: $!";
2538	# if we are delayed by four ticks or more, skip them all	3762	};
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2540
2541	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;
2543	},	3763	}
2544	);	3764
		3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3766	$sig->send;
		3767	}
		3768	while (my $sig = shift @WAIT_FOR_TICK) {
		3769	$sig->send;
		3770	}
		3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
		3781	}
		3782	}
2545		3783
2546	{	3784	{
2547	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2548	$BDB_POLL_WATCHER = Event->io (	3786
2549	reentrant => 0,
2550	fd => BDB::poll_fileno,
2551	poll => 'r',
2552	prio => 0,
2553	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,
2555	);
2556	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2557		3788	BDB::max_poll_reqs $TICK * 0.1;
2558	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2559	my $status;
2560	my $current = $Coro::current;
2561	(
2562	sub {
2563	$status = $!;
2564	$current->ready; undef $current;
2565	},
2566	sub {
2567	Coro::schedule while defined $current;
2568	$! = $status;
2569	},
2570	)
2571	};
2572		3790
2573	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		3798
2576	cf::sync_job {	3799	cf::sync_job {
2577	eval {	3800	eval {
2578	BDB::db_env_open	3801	BDB::db_env_open
2579	$DB_ENV,	3802	$DB_ENV,
2580	$BDB_ENV_DIR,	3803	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3806	0666;
2584		3807
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3809	};
2590		3810
2591	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3812	};
2593	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2594	}	3824	}
2595		3825
2596	{	3826	{
		3827	# configure IO::AIO
		3828
2597	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2598
2599	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2602	reentrant => 0,
2603	fd => IO::AIO::poll_fileno,
2604	poll => 'r',
2605	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,
2608	);
2609	}	3832	}
2610		3833
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3834	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3835
2621	Coro::async_pool {	3836	sub _log_backtrace {
2622	write_runtime	3837	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
2624	};	3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3873	}
2626	);	3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2627		3878
2628	END { cf::emergency_save }	3879	END { cf::emergency_save }
2629		3880
2630	1	3881	1
2631		3882

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