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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
27		61
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		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";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
29		74
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		76
37	our %COMMAND = ();	77	our %COMMAND = ();
38	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
39		79
40	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
44		85
		86	our $RELOAD; # number of reloads so far
45	our @EVENT;	87	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		88
48	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	90	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	107	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	113	our $DB_ENV;
58		114
59	our %CFG;	115	our %CFG;
60		116
61	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
63		120
64	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		124
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		132
76	binmode STDOUT;	133	binmode STDOUT;
77	binmode STDERR;	134	binmode STDERR;
78		135
79	# read virtual server time, if available	136	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
84	}	141	}
85		142
86	mkdir cf::localdir;	143	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		145
93	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
94		147
95	sub cf::map::normalise;	148	sub cf::map::normalise;
96		149
…		…
107	=item $cf::RUNTIME	160	=item $cf::RUNTIME
108		161
109	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
110	every server tick.	163	every server tick.
111		164
112	=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
113		168
114	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		173
117	=item $cf::NOW	174	=item $cf::NOW
118		175
119	The time of the last (current) server tick.	176	The time of the last (current) server tick.
120		177
121	=item $cf::TICK	178	=item $cf::TICK
122		179
123	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	192	=item %cf::CFG
126		193
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	195	from wherever your confdir points to.
129		196
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		198
132	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
133	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
134	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.
135	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.
136		208
137	=back	209	=back
138		210
139	=cut	211	=cut
140		212
141	BEGIN {	213	BEGIN {
142	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	215	my $msg = join "", @_;
144	utf8::encode $msg;
145		216
146	$msg .= "\n"	217	$msg .= "\n"
147	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
148		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
149	LOG llevError, $msg;	222	LOG llevError, $msg;
150	};	223	};
151	}	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#?
152		240
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		248
160	# 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
161	# within the Safe compartment.	250	# within the Safe compartment.
162	for my $pkg (qw(	251	for my $pkg (qw(
163	cf::global cf::attachable	252	cf::global cf::attachable
164	cf::object cf::object::player	253	cf::object cf::object::player
165	cf::client cf::player	254	cf::client cf::player
166	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
167	cf::map cf::party cf::region	257	cf::party cf::region
168	)) {	258	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	260	}
172		261
173	$Event::DIED = sub {	262	$EV::DIED = sub {
174	warn "error in event callback: @_";	263	warn "error in event callback: @_";
175	};	264	};
		265
		266	#############################################################################
176		267
177	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
178		269
179	=over 4	270	=over 4
180		271
…		…
199	$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;
200	$d	291	$d
201	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
202	}	293	}
203		294
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
207		296
208	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
209		298
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
218		300
219	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
220		302
221	=cut	303	=cut
222		304
223	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
225	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
227		309
228	=item cf::lock_wait $string	310	=item cf::lock_wait $string
229		311
230	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
231		313
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
237	returned.	319	returned.
238		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
239	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
240	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
241		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
242	=cut	331	=cut
243		332
244	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
245		335
246	sub lock_wait($) {	336	sub lock_wait($) {
247	my ($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#
248		343
249	# wait for lock, if any	344	# wait for lock, if any
250	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	347	Coro::schedule;
…		…
258		353
259	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
260	lock_wait $key;	355	lock_wait $key;
261		356
262	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
263		359
264	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
267	}	364	}
268	}	365	}
269		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
270	sub freeze_mainloop {	373	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
272		375
273	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	377	}
275	$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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
276	};	437	}
277	$WRITE_RUNTIME_WATCHER->stop;	438	};
278	$TICK_WATCHER->stop;	439
279	$guard	440	sub get_slot($;$$) {
		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	$sig->wait;
280	}	452	}
281		453
282	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
283		455
284	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		461
290	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
291		463
292	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
293		465
294	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
297		470
298	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
301	fast or be very important.	474	fast or be very important.
…		…
304		477
305	sub sync_job(&) {	478	sub sync_job(&) {
306	my ($job) = @_;	479	my ($job) = @_;
307		480
308	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
309	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
311		486
312	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	488
314	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
315		490
316	my $busy = 1;	491	my $busy = 1;
317	my @res;	492	my @res;
318		493
319	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	496	@res = eval { $job->() };
321	warn $@ if $@;	497	warn $@ if $@;
322	undef $busy;	498	undef $busy;
323	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
324		500
325	while ($busy) {	501	while ($busy) {
326	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
327	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
328		512
329	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
330	} else {	514	} else {
331	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
332		516
…		…
352	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
353		537
354	$coro	538	$coro
355	}	539	}
356		540
357	sub write_runtime {	541	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		542
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
361	or return;	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
362		547
363	my $value = $cf::RUNTIME + 90 + 10;	548	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		549
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub fork_call(&@) {
368	and return;	551	my ($cb, @args) = @_;
369		552
370	# always fsync - this file is important	553	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	554	# otherwise perl prematurely frees the stuff :/
372	and return;	555	# TODO: investigate and fix (likely this will be rather laborious)
373		556
374	close $fh	557	my @res = Coro::Util::fork_eval {
375	or return;	558	reset_signals;
		559	&$cb
		560	}, @args;
376		561
377	aio_rename "$runtime~", $runtime	562	wantarray ? @res : $res[-1]
378	and return;	563	}
379		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
380	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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 });
381	}	728	}
382		729
383	=back	730	=back
384		731
385	=cut	732	=cut
386		733
387	#############################################################################	734	#############################################################################
388		735
389	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
390		737
391	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
392	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")
393	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
394		741
395	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>
396	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
397	crossfire+).	744	Deliantra).
398		745
399	=over 4	746	=over 4
400		747
401	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
402		749
…		…
446	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
447		794
448	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
450		797
451	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		800
454	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
455		802
456	=over 4	803	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
566		913
567	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		918
572	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	920	my $pkg = shift @arg;
574		921
575	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
605	}	952	}
606		953
607	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
608	} else {	955	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	957	}
611		958
612	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
613	}	960	}
614		961
…		…
616	if (ref $_[0]) {	963	if (ref $_[0]) {
617	_object_attach @_;	964	_object_attach @_;
618	} else {	965	} else {
619	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
620	}	967	}
		968	_recalc_want;
621	};	969	};
622		970
623	# all those should be optimised	971	# all those should be optimised
624	sub cf::attachable::detach {	972	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
629	reattach ($obj);	977	reattach ($obj);
630	} else {	978	} else {
631	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
632	}	980	}
		981	_recalc_want;
633	};	982	};
634		983
635	sub cf::attachable::attached {	984	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
637		986
…		…
652	";	1001	";
653	die if $@;	1002	die if $@;
654	}	1003	}
655		1004
656	our $override;	1005	our $override;
657	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?
658		1007
659	sub override {	1008	sub override {
660	$override = 1;	1009	$override = 1;
661	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
662	}	1011	}
663		1012
664	sub do_invoke {	1013	sub do_invoke {
665	my $event = shift;	1014	my $event = shift;
666	my $callbacks = shift;	1015	my $callbacks = shift;
667		1016
668	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
669		1018
670	local $override;	1019	local $override;
671		1020
672	for (@$callbacks) {	1021	for (@$callbacks) {
673	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
682	}	1031	}
683		1032
684	0	1033	0
685	}	1034	}
686		1035
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1037
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1039
691	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
692		1041
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1045
697	=back	1046	=back
698		1047
699	=cut	1048	=cut
700		1049
701	#############################################################################	1050	#############################################################################
702	# 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, $ob2
		1093	}
703		1094
704	sub reattach {	1095	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1097	my ($obj) = @_;
707		1098
		1099	# no longer needed after getting rid of delete_package?
708	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
709		1101
710	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
711		1103
712	@$registry = ();	1104	@$registry = ();
713		1105
…		…
728	cf::attachable->attach (	1120	cf::attachable->attach (
729	prio => -1000000,	1121	prio => -1000000,
730	on_instantiate => sub {	1122	on_instantiate => sub {
731	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
732		1124
733	$data = from_json $data;	1125	$data = decode_json $data;
734		1126
735	for (@$data) {	1127	for (@$data) {
736	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
737		1129
738	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1146	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
756		1148
757	sync_job {	1149	sync_job {
758	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
761		1154
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1159	aio_close $fh;
767		1160
768	if (@$objs) {	1161	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1167	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
776	}	1169	}
777	} else {	1170	} else {
778	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
779	}	1172	}
…		…
784	}	1177	}
785	} else {	1178	} else {
786	aio_unlink $filename;	1179	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
788	}	1181	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1182	};
796	}	1183	}
797		1184
798	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
800		1187
…		…
805		1192
806	sub object_thawer_load {	1193	sub object_thawer_load {
807	my ($filename) = @_;	1194	my ($filename) = @_;
808		1195
809	my ($data, $av);	1196	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1197
814	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
815	or return;	1199	or return;
816		1200
817	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
819	or return;	1203	or return;
		1204
820	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
821	}	1207	}
822		1208
		1209	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
825	return ($data, $av);	1213	($data, $av)
826	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
827		1221
828	#############################################################################	1222	#############################################################################
829	# command handling &c	1223	# command handling &c
830		1224
831	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1239	}
846		1240
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1242
849	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.
850		1248
851	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
852	called.	1250	called.
853		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
854	=cut	1263	=cut
855		1264
856	sub register_extcmd {	1265	sub register_extcmd {
857	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
858		1267
859	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
860	}	1275	}
861		1276
862	cf::player->attach (	1277	cf::player->attach (
863	on_command => sub {	1278	on_command => sub {
864	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1288	cf::override;
874	},	1289	},
875	on_extcmd => sub {	1290	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
877		1292
878	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1294
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
886	} else {	1310	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1312	}
889		1313
890	cf::override;	1314	cf::override;
891	},	1315	},
892	);	1316	);
893		1317
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
929	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1323	next unless -r $path;
931	eval {	1324
932	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	$progress = 1;
933	1	1381	}
934	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
935	}	1387	};
936	}	1388	}
937		1389
938	#############################################################################	1390	#############################################################################
939		1391
		1392	=back
		1393
940	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
941		1395
942	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
943		1397
944	=cut	1398	=cut
945		1399
946	package cf::player;	1400	package cf::player;
947		1401
…		…
949		1403
950	=head3 cf::player	1404	=head3 cf::player
951		1405
952	=over 4	1406	=over 4
953		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
954	=item cf::player::find $login	1422	=item cf::player::find $login
955		1423
956	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
957		1425
958	=cut	1426	=cut
959		1427
960	sub playerdir($) {	1428	sub playerdir($) {
961	cf::localdir	1429	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1431	}
967		1432
968	sub path($) {	1433	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1435
971	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
972	}	1437	}
973		1438
974	sub find_active($) {	1439	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1454	my $login = $_[0];
990		1455
991	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
992		1457
993	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
997	}	1475	}
998	}	1476	}
999	}	1477	}
1000		1478
…		…
1009	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1010		1488
1011	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1013		1491
		1492	cf::get_slot 0.01;
		1493
1014	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1015	Coro::cede;	1495	cf::cede_to_tick;
1016	}	1496	}
1017		1497
1018	sub new($) {	1498	sub new($) {
1019	my ($login) = @_;	1499	my ($login) = @_;
1020		1500
…		…
1026	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1027		1507
1028	$self	1508	$self
1029	}	1509	}
1030		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
1031	=item $pl->quit_character	1521	=item $pl->quit_character
1032		1522
1033	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1035		1525
1036	=cut	1526	=cut
1037		1527
1038	sub quit_character {	1528	sub quit_character {
1039	my ($pl) = @_;	1529	my ($pl) = @_;
1040		1530
		1531	my $name = $pl->ob->name;
		1532
1041	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1042	$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
1043		1535
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1048		1542
1049	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1569	}
1056		1570
1057	=item cf::player::list_logins	1571	=item cf::player::list_logins
1058		1572
1059	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
1060	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1061		1575
1062	=cut	1576	=cut
1063		1577
1064	sub list_logins {	1578	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1580	or return [];
1067		1581
1068	my @logins;	1582	my @logins;
1069		1583
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1074		1594
1075	utf8::decode $login;	1595	utf8::decode $login;
1076	push @logins, $login;	1596	push @logins, $login;
1077	}	1597	}
1078		1598
…		…
1105	}	1625	}
1106		1626
1107	\@paths	1627	\@paths
1108	}	1628	}
1109		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1111		1635
1112	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1113		1637
1114	=cut	1638	=cut
1115		1639
1116	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1118		1642
1119	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1644	}
1123		1645
1124	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	}
1125		1686
1126	=back	1687	=back
1127
1128		1688
1129	=head3 cf::map	1689	=head3 cf::map
1130		1690
1131	=over 4	1691	=over 4
1132		1692
…		…
1144	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1146		1706
1147	sub generate_random_map {	1707	sub generate_random_map {
1148	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
1149	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1713	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1188		1751
1189	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1190	local $self->{path};	1753	local $self->{path};
1191	local $self->{load_path};	1754	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1755
1195	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1196	}	1757	}
1197		1758
1198	sub normalise {	1759	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1246	return $self;	1807	return $self;
1247	}	1808	}
1248	}	1809	}
1249		1810
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1812	()
1252	}	1813	}
1253		1814
1254	sub init {	1815	sub init {
1255	my ($self) = @_;	1816	my ($self) = @_;
…		…
1270		1831
1271	# the original (read-only) location	1832	# the original (read-only) location
1272	sub load_path {	1833	sub load_path {
1273	my ($self) = @_;	1834	my ($self) = @_;
1274		1835
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1276	}	1837	}
1277		1838
1278	# the temporary/swap location	1839	# the temporary/swap location
1279	sub save_path {	1840	sub save_path {
1280	my ($self) = @_;	1841	my ($self) = @_;
1281		1842
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1284	}	1845	}
1285		1846
1286	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1287	sub uniq_path {	1848	sub uniq_path {
1288	my ($self) = @_;	1849	my ($self) = @_;
1289		1850
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1292	}	1853	}
1293		1854
1294	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1295	# all maps in C++...	1856	# all maps in C++...
1296	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1298		1859
1299	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1301	}	1862	}
1302		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1303	sub unlink_save {	1872	sub unlink_save {
1304	my ($self) = @_;	1873	my ($self) = @_;
1305		1874
1306	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1878	}
1315		1879
1316	sub load_header_from($) {	1880	sub load_header_from($) {
1317	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1318		1882
1319	utf8::encode $path;	1883	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	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;
1325		1892
1326	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1327		1894
1328	1	1895	1
1329	}	1896	}
…		…
1368	$self->load_header_orig	1935	$self->load_header_orig
1369	or return;	1936	or return;
1370	$self->prepare_orig;	1937	$self->prepare_orig;
1371	}	1938	}
1372		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
1373	1	1946	1
1374	}	1947	}
1375		1948
1376	sub find;	1949	sub find;
1377	sub find {	1950	sub find {
1378	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1379		1952
1380	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1381		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1383		1957
1384	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1386	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1387	or return;	1963	or return;
1388		1964
1389	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1390		1966
1391	$map->load_header	1967	$map->load_header
1392	or return;	1968	or return;
1393		1969
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1397	$map->reset;	1975	$map->reset;
1398	undef $guard;
1399	return find $path;	1976	return find $path;
1400	}	1977	}
1401		1978
1402	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1403	}	1980	}
…		…
1410	my ($self) = @_;	1987	my ($self) = @_;
1411		1988
1412	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1413		1990
1414	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1416		1995
		1996	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1998
1419	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1420		2000
1421	$self->alloc;	2001	$self->alloc;
1422		2002
1423	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1424		2005
1425	$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)
1426	or return;	2009	or return;
1427		2010
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1429	if delete $self->{load_original};	2012	if delete $self->{load_original};
1430		2013
1431	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2015	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2018	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1436	}	2022	}
1437	}	2023	}
1438		2024
1439	Coro::cede;	2025	$f->resolve_delayed_derefs;
1440		2026
		2027	cf::cede_to_tick;
1441	# now do the right thing for maps	2028	# now do the right thing for maps
1442	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2031	unless $self->difficulty;
1452	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;
1453	$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);
1454	}	2048	}
1455		2049
1456	$self->post_load;	2050	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2051	}
1460		2052
1461	sub customise_for {	2053	sub customise_for {
1462	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1463		2055
1464	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2057	if $self->per_player;
1466		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1467	$self	2062	$self
1468	}	2063	}
1469		2064
1470	# 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
1471	sub load_diag {	2066	sub load_neighbours {
1472	my ($map) = @_;	2067	my ($map) = @_;
1473		2068
1474	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1475		2070
1476	for (0 .. 3) {	2071	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1478	or next;	2073	or next;
1479	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1480	or next;	2075	or next;
1481	$neigh->load;	2076	$neigh->load;
1482		2077
		2078	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2081	}
1486		2082
1487	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1489	or next;	2086	or next;
1490	$neigh->load;	2087	$neigh->load;
1491	}	2088	}
1492	}	2089	}
1493		2090
…		…
1498	}	2095	}
1499		2096
1500	sub do_load_sync {	2097	sub do_load_sync {
1501	my ($map) = @_;	2098	my ($map) = @_;
1502		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1503	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1504	}	2104	}
1505		2105
1506	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1508		2108
1509	sub find_async {	2109	sub find_async {
1510	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1511		2111
1512	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1513		2113
1514	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2116	}
1517		2117
1518	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1519	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1520	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2125	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2126	$map->load if $v;
		2127	}
1525		2128
1526	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1527	}	2130	}
1528	}	2131	}
1529	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1530	};	2133	};
1531	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2137	}
1535		2138
1536	sub save {	2139	sub save {
1537	my ($self) = @_;	2140	my ($self) = @_;
1538		2141
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2143
1541	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1542		2145
1543	return unless $self->dirty;	2146	return unless $self->dirty;
1544		2147
…		…
1550	return if $self->{deny_save};	2153	return if $self->{deny_save};
1551		2154
1552	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1553		2156
1554	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1556	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1557		2163
1558	if ($uniq) {	2164	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2167	} else {
…		…
1567	my ($self) = @_;	2173	my ($self) = @_;
1568		2174
1569	# save first because save cedes	2175	# save first because save cedes
1570	$self->save;	2176	$self->save;
1571		2177
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2179
1574	return if $self->players;	2180	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2182	return if $self->{deny_save};
1577		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2188	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2189	}
1581		2190
1582	sub reset_at {	2191	sub reset_at {
1583	my ($self) = @_;	2192	my ($self) = @_;
1584		2193
1585	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1588		2196
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	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;
1591		2199
…		…
1602	my ($self) = @_;	2210	my ($self) = @_;
1603		2211
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2213
1606	return if $self->players;	2214	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2215
1609	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1610		2227
1611	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1612		2229
1613	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2232	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2233
1618	$self->unlink_save;	2234	$self->unlink_save;
1619	$self->destroy;	2235	$self->destroy;
1620	}	2236	}
1621		2237
1622	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1623		2239
1624	sub nuke {	2240	sub nuke {
1625	my ($self) = @_;	2241	my ($self) = @_;
1626		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1627	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1628		2247
1629	$self->unlink_save;	2248	$self->unlink_save;
1630		2249
1631	bless $self, "cf::map";	2250	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2255
1637	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1638		2258
1639	$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	]
1640	}	2296	}
1641		2297
1642	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1643		2299
1644	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2301	instantiated unique items. May block.
1646		2302
1647	=cut	2303	=cut
1648		2304
1649	sub unique_maps() {	2305	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1651	or return;	2307	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2308	utf8::decode $_;
1657	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2311	? ()
1660	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2314	]
1662
1663	\@paths
1664	}	2315	}
1665
1666	package cf;
1667		2316
1668	=back	2317	=back
1669		2318
1670	=head3 cf::object	2319	=head3 cf::object
1671		2320
…		…
1675		2324
1676	=over 4	2325	=over 4
1677		2326
1678	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1679		2328
1680	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.
1681		2331
1682	=cut	2332	=cut
1683		2333
1684	sub inv_recursive_;	2334	sub inv_recursive_;
1685	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1688		2338
1689	sub inv_recursive {	2339	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1691	}	2341	}
1692		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
1693	package cf;	2371	package cf;
1694		2372
1695	=back	2373	=back
1696		2374
1697	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1703	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>
1704	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
1705	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1706		2384
1707	=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	};
1708		2400
1709	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2402	# with dialog boxes.
1711	#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
1712	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1714		2406
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2408
1717	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1722	}	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 (@_);
1723	}	2434	}
1724		2435
1725	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1726		2437
1727	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1740		2451
1741	=item $player_object->enter_link	2452	=item $player_object->enter_link
1742		2453
1743	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}>).
1744		2455
1745	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.
1746	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.
1747		2460
1748	Will never block.	2461	Will never block.
1749		2462
1750	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1751		2464
…		…
1774	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1775		2488
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2490
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1780		2493
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2495	}
1783		2496
1784	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1786		2501
1787	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1788		2503
1789	unless ($map) {	2504	unless ($map) {
1790	# restore original map position	2505	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1807		2522
1808	$map->load;	2523	$map->load;
1809	$map->load_diag;	2524	$map->load_neighbours;
1810		2525
1811	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1814	}	2532	}
1815		2533
1816	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2535
1820	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1824	};	2540	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2541
1830	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2544
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1851		2548
1852	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1853	my ($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;
1854		2554
1855	$self->enter_link;	2555	$self->enter_link;
1856		2556
1857	(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
1858	my $map = eval {	2579	my $map = eval {
1859	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2595	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1866	})->prio (1);	2603	})->prio (1);
1867	}	2604	}
1868		2605
1869	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1870		2607
…		…
1890	}	2627	}
1891		2628
1892	sub prepare_random_map {	2629	sub prepare_random_map {
1893	my ($exit) = @_;	2630	my ($exit) = @_;
1894		2631
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2634	# that depends on the exit object
1900		2635
1901	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2638	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1908	}	2645	}
1909		2646
1910	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1911		2648
1912	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1915		2652
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2655	undef $fh;
1919	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1920		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1923	}	2664	}
1924	}	2665	}
1925		2666
1926	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1928		2669
1929	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1930		2671
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2672	$self->enter_link;
1941		2673
1942	(async {	2674	(async {
1943	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1944	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
1945	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1946		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
1947	1;	2698	1
1948	}) {	2699	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2704
1954	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2706	$self->leave_link;
1956	}	2707	}
1957	})->prio (1);	2708	})->prio (1);
…		…
1970		2721
1971	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1973		2724
1974	utf8::encode $text;	2725	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2727	}
1977		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
		2874	=item $client->ext_msg ($type, @msg)
		2875
		2876	Sends an ext event to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_msg($$@) {
		2881	my ($self, $type, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
		2886	push @msg, msgtype => "event_$type";
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
		2907	}
1978		2908
1979	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
1980		2910
1981	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2914
1985	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2916	become reliable at some point in the future.
1987		2917
1988	=cut	2918	=cut
1989		2919
1990	sub cf::client::query {	2920	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2929	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2931
2002	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2004	}	2936	}
2005		2937
2006	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2007	on_reply => sub {	2944	on_reply => sub {
2008	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2009		2946
2010	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2011	# get handled first	2948	# get handled first
…		…
2023	} else {	2960	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2962	}
2026	}	2963	}
2027	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2028	);	2991	);
2029		2992
2030	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2031		2994
2032	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2075		3038
2076	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2077		3040
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2079		3046
2080	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2081		3048
2082	=pod	3049	=pod
2083		3050
2084	The following fucntions and emthods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2085		3052
2086	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2087	cf::object::player player	3057	cf::object::player
2088	cf::player peaceful	3058	player
2089	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2090		3065
2091	=cut	3066	=cut
2092		3067
2093	for (	3068	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2098	) {	3075	) {
2099	no strict 'refs';	3076	no strict 'refs';
…		…
2170	=back	3147	=back
2171		3148
2172	=cut	3149	=cut
2173		3150
2174	#############################################################################	3151	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3152	# the server's init and main functions
2284		3153
		3154	sub load_facedata($) {
		3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3162
		3163	warn "loading facedata from $path\n";
		3164
		3165	my $facedata;
		3166	0 < aio_load $path, $facedata
		3167	or die "$path: $!";
		3168
		3169	$facedata = Coro::Storable::thaw $facedata;
		3170
		3171	$facedata->{version} == 2
		3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
		3181	{
		3182	my $faces = $facedata->{faceinfo};
		3183
		3184	while (my ($face, $info) = each %$faces) {
		3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
		3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
		3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3191
		3192	cf::cede_to_tick;
		3193	}
		3194
		3195	while (my ($face, $info) = each %$faces) {
		3196	next unless $info->{smooth};
		3197
		3198	my $idx = cf::face::find $face
		3199	or next;
		3200
		3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
		3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3204	} else {
		3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3206	}
		3207
		3208	cf::cede_to_tick;
		3209	}
		3210	}
		3211
		3212	{
		3213	my $anims = $facedata->{animinfo};
		3214
		3215	while (my ($anim, $info) = each %$anims) {
		3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3217	cf::cede_to_tick;
		3218	}
		3219
		3220	cf::anim::invalidate_all; # d'oh
		3221	}
		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
		3258	1
		3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
2285	sub load_resources {	3289	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
		3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
		3304	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3305	or die "unable to load regions file\n";
2288	}
2289		3306
2290	sub cfg_load {	3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
		3311	}
		3312
		3313	sub reload_facedata {
		3314	load_facedata "$DATADIR/facedata"
		3315	or die "unable to load facedata\n";
		3316	}
		3317
		3318	sub reload_archetypes {
		3319	load_resource_file "$DATADIR/archetypes"
		3320	or die "unable to load archetypes\n";
		3321	}
		3322
		3323	sub reload_treasures {
		3324	load_resource_file "$DATADIR/treasures"
		3325	or die "unable to load treasurelists\n";
		3326	}
		3327
		3328	sub reload_resources {
		3329	warn "reloading resource files...\n";
		3330
		3331	reload_facedata;
		3332	reload_archetypes;
		3333	reload_regions;
		3334	reload_treasures;
		3335
		3336	warn "finished reloading resource files\n";
		3337	}
		3338
		3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
		3344	reload_resources;
		3345	}
		3346
		3347	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3349	or return;
2293		3350
2294	local $/;	3351	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2296		3353
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3355
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3363	};
2307	warn $@ if $@;	3364	warn $@ if $@;
2308	}	3365	}
2309	}	3366	}
2310		3367
2311	sub init {	3368	sub pidfile() {
2312	load_resources;	3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
2313	}	3385	}
2314		3386
2315	sub main {	3387	sub main {
		3388	atomic;
		3389
2316	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3393	(async {
2320	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2322	};	3397	};
2323		3398
2324	cfg_load;	3399	{
2325	db_load;	3400	my $guard = freeze_mainloop;
		3401	reload_config;
		3402	db_init;
2326	load_extensions;	3403	load_extensions;
2327		3404
2328	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2329	Event::loop;	3413	EV::loop;
2330	}	3414	}
2331		3415
2332	#############################################################################	3416	#############################################################################
2333	# initialisation and cleanup	3417	# initialisation and cleanup
2334		3418
2335	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2336	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2345	},
2346	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2347	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2348	}	3506	}
2349		3507
2350	sub emergency_save() {	3508	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2352		3510
…		…
2358	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3522	$pl->save;
2364	}	3523	}
2365	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2366		3525
2367	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3528	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3529	$map->valid or next;
2371	$map->save;	3530	$map->save;
2372	}	3531	}
2373	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
		3533
		3534	warn "begin emergency database checkpoint\n";
		3535	BDB::db_env_txn_checkpoint $DB_ENV;
		3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2374	};	3541	};
2375		3542
2376	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2377	}	3544	}
2378		3545
		3546	sub post_cleanup {
		3547	my ($make_core) = @_;
		3548
		3549	warn Carp::longmess "post_cleanup backtrace"
		3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
		3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
		3583
2379	sub reload() {	3584	sub do_reload_perl() {
2380	# can/must only be called in main	3585	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2383	return;	3588	return;
2384	}	3589	}
2385		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2386	warn "reloading...";	3594	warn "reloading...";
2387		3595
2388	warn "cancelling server ticker";	3596	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3597
		3598	cf::sync_job {
		3599	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3600	cf::emergency_save;
		3601	cf::write_runtime_sync; # external watchdog should not bark
2392		3602
2393	eval {	3603	warn "syncing database to disk";
		3604	BDB::db_env_txn_checkpoint $DB_ENV;
		3605
2394	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2395		3607
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2405	for (;;) {	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3611	}
2432		3612
2433	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2435	}	3615	%EXT_CORO = ();
2436		3616
2437	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3626	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3627
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2448	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2449	}	3637	}
2450		3638
2451	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2452	}	3654	}
2453		3655
2454	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3659
2458	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
		3662	delete $INC{"cf/pod.pm"};
2460		3663
2461	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3665	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2464		3667
2465	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2466		3669
2467	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2468	require cf;	3671	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3673
2471	warn "loading config and database again";	3674	warn "loading config and database again";
2472	cf::cfg_load;	3675	cf::reload_config;
2473	cf::db_load;
2474		3676
2475	warn "loading extensions";	3677	warn "loading extensions";
2476	cf::load_extensions;	3678	cf::load_extensions;
2477		3679
2478	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3681	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
		3684	warn "reattaching attachments to players";
		3685	reattach $_ for values %PLAYER;
2482		3686
2483	warn "loading reloadable resources";	3687	warn "leaving sync_job";
2484	load_resources;
2485		3688
2486	warn "restarting server ticker";	3689	1
		3690	} or do {
		3691	warn $@;
		3692	cf::cleanup "error while reloading, exiting.";
		3693	};
2487		3694
2488	$TICK_WATCHER->start;	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
		3698	};
		3699
		3700	our $RELOAD_WATCHER; # used only during reload
		3701
		3702	sub reload_perl() {
		3703	# doing reload synchronously and two reloads happen back-to-back,
		3704	# coro crashes during coro_state_free->destroy here.
		3705
		3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3707	do_reload_perl;
		3708	undef $RELOAD_WATCHER;
2489	};	3709	};
2490		3710	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3711
2502	register_command "reload" => sub {	3712	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2504		3714
2505	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
2507		3717	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3718	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3719	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3720	};
2520	}	3721	}
2521	};	3722	};
2522		3723
2523	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2524		3725
2525	my $bug_warning = 0;	3726	my $bug_warning = 0;
2526		3727
2527	$TICK_WATCHER = Event->timer (	3728	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3729	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3730
2530	prio => 0,	3731	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3733
2533	cb => sub {	3734	my $signal = new Coro::Signal;
		3735	push @WAIT_FOR_TICK, $signal;
		3736	$signal->wait;
		3737	}
		3738
		3739	sub wait_for_tick_begin {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK_BEGIN, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub tick {
2534	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2537	return;	3751	return;
2538	}	3752	}
2539		3753
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3755
2546	$WAIT_FOR_TICK->broadcast;	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3758	Coro::async_pool {
		3759	$Coro::current->{desc} = "runtime saver";
		3760	write_runtime_sync
		3761	or warn "ERROR: unable to write runtime file: $!";
		3762	};
		3763	}
2548		3764
2549	Event::sweep;	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3766	$sig->send;
		3767	}
		3768	while (my $sig = shift @WAIT_FOR_TICK) {
		3769	$sig->send;
		3770	}
		3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
2551		3780	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3781	}
2561	);	3782	}
2562		3783
2563	{	3784	{
2564	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3786
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2574		3788	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3790
2590	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3798
2593	cf::sync_job {	3799	cf::sync_job {
		3800	eval {
2594	BDB::db_env_open	3801	BDB::db_env_open
2595	$DB_ENV,	3802	$DB_ENV,
2596	$BDB_ENV_DIR,	3803	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3806	0666;
2600		3807
2601	cf::cleanup "$!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3809	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3810
2604	$DB_ENV->set_lk_detect;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3812	};
2606	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2607	}	3824	}
2608		3825
2609	{	3826	{
		3827	# configure IO::AIO
		3828
2610	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3832	}
2623		3833
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3834	my $_log_backtrace;
2625	reentrant => 0,	3835
2626	data => WF_AUTOCANCEL,	3836	sub _log_backtrace {
2627	after => 1,	3837	my ($msg, @addr) = @_;
2628	interval => 10,	3838
2629	prio => 6, # keep it lowest so it acts like a watchdog	3839	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3840
2631	write_runtime	3841	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3873	}
2634	);	3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2635		3878
2636	END { cf::emergency_save }	3879	END { cf::emergency_save }
2637		3880
2638	1	3881	1
2639		3882

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