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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 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	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		542
363	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		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.
364		547
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
366	or return;
367		549
368	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		552
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
373	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
374		556
375	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	558	reset_signals;
377	and return;	559	&$cb
		560	}, @args;
378		561
379	close $fh	562	wantarray ? @res : $res[-1]
380	or return;	563	}
381		564
382	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
383	and return;
384		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		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($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
385	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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 });
386	}	728	}
387		729
388	=back	730	=back
389		731
390	=cut	732	=cut
391		733
392	#############################################################################	734	#############################################################################
393		735
394	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
395		737
396	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
397	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")
398	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
399		741
400	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>
401	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
402	crossfire+).	744	Deliantra).
403		745
404	=over 4	746	=over 4
405		747
406	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
407		749
…		…
451	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
452		794
453	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
455		797
456	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		800
459	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
460		802
461	=over 4	803	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
571		913
572	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		918
577	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	920	my $pkg = shift @arg;
579		921
580	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
610	}	952	}
611		953
612	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
613	} else {	955	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	957	}
616		958
617	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
618	}	960	}
619		961
…		…
621	if (ref $_[0]) {	963	if (ref $_[0]) {
622	_object_attach @_;	964	_object_attach @_;
623	} else {	965	} else {
624	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
625	}	967	}
		968	_recalc_want;
626	};	969	};
627		970
628	# all those should be optimised	971	# all those should be optimised
629	sub cf::attachable::detach {	972	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
634	reattach ($obj);	977	reattach ($obj);
635	} else {	978	} else {
636	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
637	}	980	}
		981	_recalc_want;
638	};	982	};
639		983
640	sub cf::attachable::attached {	984	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
642		986
…		…
657	";	1001	";
658	die if $@;	1002	die if $@;
659	}	1003	}
660		1004
661	our $override;	1005	our $override;
662	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?
663		1007
664	sub override {	1008	sub override {
665	$override = 1;	1009	$override = 1;
666	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
667	}	1011	}
668		1012
669	sub do_invoke {	1013	sub do_invoke {
670	my $event = shift;	1014	my $event = shift;
671	my $callbacks = shift;	1015	my $callbacks = shift;
672		1016
673	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
674		1018
675	local $override;	1019	local $override;
676		1020
677	for (@$callbacks) {	1021	for (@$callbacks) {
678	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
687	}	1031	}
688		1032
689	0	1033	0
690	}	1034	}
691		1035
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1037
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1039
696	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
697		1041
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1045
702	=back	1046	=back
703		1047
704	=cut	1048	=cut
705		1049
706	#############################################################################	1050	#############################################################################
707	# 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, $ob2
		1093	}
708		1094
709	sub reattach {	1095	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1097	my ($obj) = @_;
712		1098
		1099	# no longer needed after getting rid of delete_package?
713	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
714		1101
715	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
716		1103
717	@$registry = ();	1104	@$registry = ();
718		1105
…		…
733	cf::attachable->attach (	1120	cf::attachable->attach (
734	prio => -1000000,	1121	prio => -1000000,
735	on_instantiate => sub {	1122	on_instantiate => sub {
736	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
737		1124
738	$data = from_json $data;	1125	$data = decode_json $data;
739		1126
740	for (@$data) {	1127	for (@$data) {
741	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
742		1129
743	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1146	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
761		1148
762	sync_job {	1149	sync_job {
763	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
766		1154
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1159	aio_close $fh;
772		1160
773	if (@$objs) {	1161	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1167	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
781	}	1169	}
782	} else {	1170	} else {
783	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
784	}	1172	}
…		…
789	}	1177	}
790	} else {	1178	} else {
791	aio_unlink $filename;	1179	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
793	}	1181	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1182	};
801	}	1183	}
802		1184
803	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
805		1187
…		…
810		1192
811	sub object_thawer_load {	1193	sub object_thawer_load {
812	my ($filename) = @_;	1194	my ($filename) = @_;
813		1195
814	my ($data, $av);	1196	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1197
819	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
820	or return;	1199	or return;
821		1200
822	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
824	or return;	1203	or return;
		1204
825	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
826	}	1207	}
827		1208
		1209	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
830	return ($data, $av);	1213	($data, $av)
831	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
832		1221
833	#############################################################################	1222	#############################################################################
834	# command handling &c	1223	# command handling &c
835		1224
836	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1239	}
851		1240
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1242
854	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.
855		1248
856	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
857	called.	1250	called.
858		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
859	=cut	1263	=cut
860		1264
861	sub register_extcmd {	1265	sub register_extcmd {
862	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
863		1267
864	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
865	}	1275	}
866		1276
867	cf::player->attach (	1277	cf::player->attach (
868	on_command => sub {	1278	on_command => sub {
869	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1288	cf::override;
879	},	1289	},
880	on_extcmd => sub {	1290	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
882		1292
883	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1294
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
891	} else {	1310	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1312	}
894		1313
895	cf::override;	1314	cf::override;
896	},	1315	},
897	);	1316	);
898		1317
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
934	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1323	next unless -r $path;
936	eval {	1324
937	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	$progress = 1;
938	1	1381	}
939	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
940	}	1387	};
941	}	1388	}
942		1389
943	#############################################################################	1390	#############################################################################
944		1391
		1392	=back
		1393
945	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
946		1395
947	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
948		1397
949	=cut	1398	=cut
950		1399
951	package cf::player;	1400	package cf::player;
952		1401
…		…
954		1403
955	=head3 cf::player	1404	=head3 cf::player
956		1405
957	=over 4	1406	=over 4
958		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
959	=item cf::player::find $login	1422	=item cf::player::find $login
960		1423
961	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
962		1425
963	=cut	1426	=cut
964		1427
965	sub playerdir($) {	1428	sub playerdir($) {
966	cf::localdir	1429	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1431	}
972		1432
973	sub path($) {	1433	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1435
976	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
977	}	1437	}
978		1438
979	sub find_active($) {	1439	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1454	my $login = $_[0];
995		1455
996	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
997		1457
998	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1002	}	1475	}
1003	}	1476	}
1004	}	1477	}
1005		1478
…		…
1014	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1015		1488
1016	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1018		1491
		1492	cf::get_slot 0.01;
		1493
1019	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1020	Coro::cede;	1495	cf::cede_to_tick;
1021	}	1496	}
1022		1497
1023	sub new($) {	1498	sub new($) {
1024	my ($login) = @_;	1499	my ($login) = @_;
1025		1500
…		…
1031	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1032		1507
1033	$self	1508	$self
1034	}	1509	}
1035		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
1036	=item $pl->quit_character	1521	=item $pl->quit_character
1037		1522
1038	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1040		1525
1041	=cut	1526	=cut
1042		1527
1043	sub quit_character {	1528	sub quit_character {
1044	my ($pl) = @_;	1529	my ($pl) = @_;
1045		1530
		1531	my $name = $pl->ob->name;
		1532
1046	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1047	$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
1048		1535
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1053		1542
1054	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1569	}
1061		1570
1062	=item cf::player::list_logins	1571	=item cf::player::list_logins
1063		1572
1064	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
1065	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1066		1575
1067	=cut	1576	=cut
1068		1577
1069	sub list_logins {	1578	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1580	or return [];
1072		1581
1073	my @logins;	1582	my @logins;
1074		1583
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1079		1594
1080	utf8::decode $login;	1595	utf8::decode $login;
1081	push @logins, $login;	1596	push @logins, $login;
1082	}	1597	}
1083		1598
…		…
1110	}	1625	}
1111		1626
1112	\@paths	1627	\@paths
1113	}	1628	}
1114		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1116		1635
1117	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1118		1637
1119	=cut	1638	=cut
1120		1639
1121	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1123		1642
1124	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1644	}
1128		1645
1129	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	}
1130		1686
1131	=back	1687	=back
1132
1133		1688
1134	=head3 cf::map	1689	=head3 cf::map
1135		1690
1136	=over 4	1691	=over 4
1137		1692
…		…
1149	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1151		1706
1152	sub generate_random_map {	1707	sub generate_random_map {
1153	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
1154	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1713	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1193		1751
1194	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1195	local $self->{path};	1753	local $self->{path};
1196	local $self->{load_path};	1754	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1755
1200	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1201	}	1757	}
1202		1758
1203	sub normalise {	1759	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1251	return $self;	1807	return $self;
1252	}	1808	}
1253	}	1809	}
1254		1810
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1812	()
1257	}	1813	}
1258		1814
1259	sub init {	1815	sub init {
1260	my ($self) = @_;	1816	my ($self) = @_;
…		…
1275		1831
1276	# the original (read-only) location	1832	# the original (read-only) location
1277	sub load_path {	1833	sub load_path {
1278	my ($self) = @_;	1834	my ($self) = @_;
1279		1835
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1281	}	1837	}
1282		1838
1283	# the temporary/swap location	1839	# the temporary/swap location
1284	sub save_path {	1840	sub save_path {
1285	my ($self) = @_;	1841	my ($self) = @_;
1286		1842
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1289	}	1845	}
1290		1846
1291	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1292	sub uniq_path {	1848	sub uniq_path {
1293	my ($self) = @_;	1849	my ($self) = @_;
1294		1850
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1297	}	1853	}
1298		1854
1299	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1300	# all maps in C++...	1856	# all maps in C++...
1301	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1303		1859
1304	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1306	}	1862	}
1307		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1308	sub unlink_save {	1872	sub unlink_save {
1309	my ($self) = @_;	1873	my ($self) = @_;
1310		1874
1311	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1878	}
1320		1879
1321	sub load_header_from($) {	1880	sub load_header_from($) {
1322	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1323		1882
1324	utf8::encode $path;	1883	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	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;
1330		1892
1331	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1332		1894
1333	1	1895	1
1334	}	1896	}
…		…
1373	$self->load_header_orig	1935	$self->load_header_orig
1374	or return;	1936	or return;
1375	$self->prepare_orig;	1937	$self->prepare_orig;
1376	}	1938	}
1377		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
1378	1	1946	1
1379	}	1947	}
1380		1948
1381	sub find;	1949	sub find;
1382	sub find {	1950	sub find {
1383	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1384		1952
1385	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1386		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1388		1957
1389	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1391	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1392	or return;	1963	or return;
1393		1964
1394	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1395		1966
1396	$map->load_header	1967	$map->load_header
1397	or return;	1968	or return;
1398		1969
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1402	$map->reset;	1975	$map->reset;
1403	undef $guard;
1404	return find $path;	1976	return find $path;
1405	}	1977	}
1406		1978
1407	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1408	}	1980	}
…		…
1415	my ($self) = @_;	1987	my ($self) = @_;
1416		1988
1417	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1418		1990
1419	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1421		1995
		1996	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1998
1424	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1425		2000
1426	$self->alloc;	2001	$self->alloc;
1427		2002
1428	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1429		2005
1430	$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)
1431	or return;	2009	or return;
1432		2010
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1434	if delete $self->{load_original};	2012	if delete $self->{load_original};
1435		2013
1436	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2015	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2018	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1441	}	2022	}
1442	}	2023	}
1443		2024
1444	Coro::cede;	2025	$f->resolve_delayed_derefs;
1445		2026
		2027	cf::cede_to_tick;
1446	# now do the right thing for maps	2028	# now do the right thing for maps
1447	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2031	unless $self->difficulty;
1457	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;
1458	$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);
1459	}	2048	}
1460		2049
1461	$self->post_load;	2050	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2051	}
1465		2052
1466	sub customise_for {	2053	sub customise_for {
1467	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1468		2055
1469	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2057	if $self->per_player;
1471		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1472	$self	2062	$self
1473	}	2063	}
1474		2064
1475	# 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
1476	sub load_diag {	2066	sub load_neighbours {
1477	my ($map) = @_;	2067	my ($map) = @_;
1478		2068
1479	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1480		2070
1481	for (0 .. 3) {	2071	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1483	or next;	2073	or next;
1484	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1485	or next;	2075	or next;
1486	$neigh->load;	2076	$neigh->load;
1487		2077
		2078	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2081	}
1491		2082
1492	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1494	or next;	2086	or next;
1495	$neigh->load;	2087	$neigh->load;
1496	}	2088	}
1497	}	2089	}
1498		2090
…		…
1503	}	2095	}
1504		2096
1505	sub do_load_sync {	2097	sub do_load_sync {
1506	my ($map) = @_;	2098	my ($map) = @_;
1507		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1508	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1509	}	2104	}
1510		2105
1511	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1513		2108
1514	sub find_async {	2109	sub find_async {
1515	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1516		2111
1517	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1518		2113
1519	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2116	}
1522		2117
1523	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1524	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1525	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2125	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2126	$map->load if $v;
		2127	}
1530		2128
1531	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1532	}	2130	}
1533	}	2131	}
1534	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1535	};	2133	};
1536	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2137	}
1540		2138
1541	sub save {	2139	sub save {
1542	my ($self) = @_;	2140	my ($self) = @_;
1543		2141
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2143
1546	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1547		2145
1548	return unless $self->dirty;	2146	return unless $self->dirty;
1549		2147
…		…
1555	return if $self->{deny_save};	2153	return if $self->{deny_save};
1556		2154
1557	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1558		2156
1559	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1561	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1562		2163
1563	if ($uniq) {	2164	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2167	} else {
…		…
1572	my ($self) = @_;	2173	my ($self) = @_;
1573		2174
1574	# save first because save cedes	2175	# save first because save cedes
1575	$self->save;	2176	$self->save;
1576		2177
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2179
1579	return if $self->players;	2180	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2182	return if $self->{deny_save};
1582		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2188	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2189	}
1586		2190
1587	sub reset_at {	2191	sub reset_at {
1588	my ($self) = @_;	2192	my ($self) = @_;
1589		2193
1590	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1593		2196
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	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;
1596		2199
…		…
1607	my ($self) = @_;	2210	my ($self) = @_;
1608		2211
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2213
1611	return if $self->players;	2214	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2215
1614	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1615		2217
1616	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1617		2219
1618	# need to save uniques path	2220	# need to save uniques path
1619	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2225	if $uniq;
1624	}	2226	}
1625		2227
1626	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1627		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2232	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2233
1632	$self->unlink_save;	2234	$self->unlink_save;
1633	$self->destroy;	2235	$self->destroy;
1634	}	2236	}
1635		2237
1636	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1637		2239
1638	sub nuke {	2240	sub nuke {
1639	my ($self) = @_;	2241	my ($self) = @_;
1640		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1641	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1642		2247
1643	$self->unlink_save;	2248	$self->unlink_save;
1644		2249
1645	bless $self, "cf::map";	2250	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2255
1651	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1652		2258
1653	$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	]
1654	}	2296	}
1655		2297
1656	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1657		2299
1658	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2301	instantiated unique items. May block.
1660		2302
1661	=cut	2303	=cut
1662		2304
1663	sub unique_maps() {	2305	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1665	or return;	2307	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2308	utf8::decode $_;
1671	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2311	? ()
1674	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2314	]
1676
1677	\@paths
1678	}	2315	}
1679
1680	package cf;
1681		2316
1682	=back	2317	=back
1683		2318
1684	=head3 cf::object	2319	=head3 cf::object
1685		2320
…		…
1689		2324
1690	=over 4	2325	=over 4
1691		2326
1692	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1693		2328
1694	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.
1695		2331
1696	=cut	2332	=cut
1697		2333
1698	sub inv_recursive_;	2334	sub inv_recursive_;
1699	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1702		2338
1703	sub inv_recursive {	2339	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1705	}	2341	}
1706		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
1707	package cf;	2371	package cf;
1708		2372
1709	=back	2373	=back
1710		2374
1711	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1717	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>
1718	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
1719	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1720		2384
1721	=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	};
1722		2400
1723	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2402	# with dialog boxes.
1725	#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
1726	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1728		2406
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2408
1731	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1736	}	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 (@_);
1737	}	2434	}
1738		2435
1739	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1740		2437
1741	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1754		2451
1755	=item $player_object->enter_link	2452	=item $player_object->enter_link
1756		2453
1757	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}>).
1758		2455
1759	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.
1760	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.
1761		2460
1762	Will never block.	2461	Will never block.
1763		2462
1764	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1765		2464
…		…
1788	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1789		2488
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2490
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1794		2493
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2495	}
1797		2496
1798	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1800		2501
1801	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1802		2503
1803	unless ($map) {	2504	unless ($map) {
1804	# restore original map position	2505	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1821		2522
1822	$map->load;	2523	$map->load;
1823	$map->load_diag;	2524	$map->load_neighbours;
1824		2525
1825	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1826	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1828	}	2532	}
1829		2533
1830	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2535
1834	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1838	};	2540	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2541
1844	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2544
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1865		2548
1866	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1867	my ($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;
1868		2554
1869	$self->enter_link;	2555	$self->enter_link;
1870		2556
1871	(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
1872	my $map = eval {	2579	my $map = eval {
1873	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2595	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1880	})->prio (1);	2603	})->prio (1);
1881	}	2604	}
1882		2605
1883	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1884		2607
…		…
1904	}	2627	}
1905		2628
1906	sub prepare_random_map {	2629	sub prepare_random_map {
1907	my ($exit) = @_;	2630	my ($exit) = @_;
1908		2631
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2634	# that depends on the exit object
1914		2635
1915	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2638	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1922	}	2645	}
1923		2646
1924	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1925		2648
1926	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1929		2652
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2655	undef $fh;
1933	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1934		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1937	}	2664	}
1938	}	2665	}
1939		2666
1940	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1942		2669
1943	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1944		2671
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2672	$self->enter_link;
1955		2673
1956	(async {	2674	(async {
1957	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1958	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
1959	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1960		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
1961	1;	2698	1
1962	}) {	2699	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2704
1968	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2706	$self->leave_link;
1970	}	2707	}
1971	})->prio (1);	2708	})->prio (1);
…		…
1984		2721
1985	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1987		2724
1988	utf8::encode $text;	2725	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2727	}
1991		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<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
		2913	}
1992		2914
1993	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
1994		2916
1995	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2920
1999	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2922	become reliable at some point in the future.
2001		2923
2002	=cut	2924	=cut
2003		2925
2004	sub cf::client::query {	2926	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2935	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2937
2016	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2018	}	2942	}
2019		2943
2020	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2021	on_reply => sub {	2950	on_reply => sub {
2022	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2023		2952
2024	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2025	# get handled first	2954	# get handled first
…		…
2037	} else {	2966	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2968	}
2040	}	2969	}
2041	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2042	);	2997	);
2043		2998
2044	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2045		3000
2046	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2089		3044
2090	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2091		3046
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2093		3052
2094	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2095		3054
2096	=pod	3055	=pod
2097		3056
2098	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2099		3058
2100	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2101	cf::object::player player	3063	cf::object::player
2102	cf::player peaceful	3064	player
2103	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2104		3071
2105	=cut	3072	=cut
2106		3073
2107	for (	3074	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2112	) {	3081	) {
2113	no strict 'refs';	3082	no strict 'refs';
…		…
2184	=back	3153	=back
2185		3154
2186	=cut	3155	=cut
2187		3156
2188	#############################################################################	3157	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3158	# the server's init and main functions
2262		3159
		3160	sub load_facedata($) {
		3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
		3169	warn "loading facedata from $path\n";
		3170
		3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
		3174
		3175	$facedata = Coro::Storable::thaw $facedata;
		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
		3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
		3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
2263	sub load_resources {	3295	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3311	or die "unable to load regions file\n";
2266	}
2267		3312
2268	sub cfg_load {	3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
		3350	reload_resources;
		3351	}
		3352
		3353	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3355	or return;
2271		3356
2272	local $/;	3357	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2274		3359
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3361
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3369	};
2285	warn $@ if $@;	3370	warn $@ if $@;
2286	}	3371	}
2287	}	3372	}
2288		3373
2289	sub init {	3374	sub pidfile() {
2290	load_resources;	3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
2291	}	3391	}
2292		3392
2293	sub main {	3393	sub main {
		3394	atomic;
		3395
2294	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3399	(async {
2298	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2300	};	3403	};
2301		3404
2302	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2303	db_init;	3408	db_init;
2304	load_extensions;	3409	load_extensions;
2305		3410
2306	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2307	Event::loop;	3419	EV::loop;
2308	}	3420	}
2309		3421
2310	#############################################################################	3422	#############################################################################
2311	# initialisation and cleanup	3423	# initialisation and cleanup
2312		3424
2313	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2314	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2323	},
2324	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2325	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2326	}	3512	}
2327		3513
2328	sub emergency_save() {	3514	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2330		3516
…		…
2336	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3528	$pl->save;
2342	}	3529	}
2343	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2344		3531
2345	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2351	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2352		3539
2353	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2356	};	3547	};
2357		3548
2358	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2359	}	3550	}
2360		3551
2361	sub post_cleanup {	3552	sub post_cleanup {
2362	my ($make_core) = @_;	3553	my ($make_core) = @_;
2363		3554
2364	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3556	if $make_core;
2366	}
2367		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
		3589
2368	sub reload() {	3590	sub do_reload_perl() {
2369	# can/must only be called in main	3591	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2372	return;	3594	return;
2373	}	3595	}
2374		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2375	warn "reloading...";	3600	warn "reloading...";
2376		3601
2377	warn "cancelling server ticker";	3602	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3603
		3604	cf::sync_job {
		3605	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3606	cf::emergency_save;
		3607	cf::write_runtime_sync; # external watchdog should not bark
2381		3608
2382	eval {	3609	warn "syncing database to disk";
		3610	BDB::db_env_txn_checkpoint $DB_ENV;
		3611
2383	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2384		3613
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3617	}
2422		3618
2423	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2425	}	3621	%EXT_CORO = ();
2426		3622
2427	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3632	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3633
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2438	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2439	}	3643	}
2440		3644
2441	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2442	}	3660	}
2443		3661
2444	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3665
2448	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2450		3669
2451	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3671	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2454		3673
2455	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2456		3675
2457	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2458	require cf;	3677	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3679
2461	warn "loading config and database again";	3680	warn "loading config and database again";
2462	cf::cfg_load;	3681	cf::reload_config;
2463		3682
2464	warn "loading extensions";	3683	warn "loading extensions";
2465	cf::load_extensions;	3684	cf::load_extensions;
2466		3685
2467	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3687	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
		3690	warn "reattaching attachments to players";
		3691	reattach $_ for values %PLAYER;
2471		3692
2472	warn "loading reloadable resources";	3693	warn "leaving sync_job";
2473	load_resources;
2474		3694
2475	warn "restarting server ticker";	3695	1
		3696	} or do {
		3697	warn $@;
		3698	cf::cleanup "error while reloading, exiting.";
		3699	};
2476		3700
2477	$TICK_WATCHER->start;	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2478	};	3715	};
2479		3716	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3717
2491	register_command "reload" => sub {	3718	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2493		3720
2494	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2496		3723	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3725	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3726	};
2509	}	3727	}
2510	};	3728	};
2511		3729
2512	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2513		3731
2514	my $bug_warning = 0;	3732	my $bug_warning = 0;
2515		3733
2516	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3736
2519	prio => 0,	3737	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3739
2522	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2523	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2526	return;	3757	return;
2527	}	3758	}
2528		3759
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3761
2535	$WAIT_FOR_TICK->broadcast;	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
		3766	write_runtime_sync
		3767	or warn "ERROR: unable to write runtime file: $!";
		3768	};
		3769	}
2537		3770
2538	Event::sweep;	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
2540		3786	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3787	}
2550	);	3788	}
2551		3789
2552	{	3790	{
2553	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3792
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2563		3794	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3796
2579	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3804
2582	cf::sync_job {	3805	cf::sync_job {
2583	eval {	3806	eval {
2584	BDB::db_env_open	3807	BDB::db_env_open
2585	$DB_ENV,	3808	$DB_ENV,
2586	$BDB_ENV_DIR,	3809	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3812	0666;
2590		3813
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3815	};
2596		3816
2597	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3818	};
2599	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2600	}	3830	}
2601		3831
2602	{	3832	{
		3833	# configure IO::AIO
		3834
2603	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3838	}
2616		3839
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3840	my $_log_backtrace;
2618	reentrant => 0,	3841
2619	data => WF_AUTOCANCEL,	3842	sub _log_backtrace {
2620	after => 1,	3843	my ($msg, @addr) = @_;
2621	interval => 10,	3844
2622	prio => 6, # keep it lowest so it acts like a watchdog	3845	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3846
2624	write_runtime	3847	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3879	}
2627	);	3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2628		3884
2629	END { cf::emergency_save }	3885	END { cf::emergency_save }
2630		3886
2631	1	3887	1
2632		3888

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