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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 1.451 by root, Mon Sep 22 05:42:41 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, non-zero while in reload
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 ($key) = @_;
248		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
249	# wait for lock, if any	344	# wait for lock, if any
250	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
251	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	348	Coro::schedule;
253	}	349	}
254	}	350	}
255		351
…		…
258		354
259	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
260	lock_wait $key;	356	lock_wait $key;
261		357
262	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
263		360
264	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
267	}	365	}
268	}	366	}
269		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
270	sub freeze_mainloop {	374	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
272		376
273	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	378	}
275	$WRITE_RUNTIME_WATCHER->start;	379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
276	};	438	}
277	$WRITE_RUNTIME_WATCHER->stop;	439	};
278	$TICK_WATCHER->stop;	440
279	$guard	441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
280	}	453	}
281		454
282	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
283		456
284	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		462
290	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
291		464
292	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
293		466
294	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
297		471
298	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
301	fast or be very important.	475	fast or be very important.
…		…
304		478
305	sub sync_job(&) {	479	sub sync_job(&) {
306	my ($job) = @_;	480	my ($job) = @_;
307		481
308	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
309	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
311		487
312	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	489
314	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
315		491
316	my $busy = 1;	492	my $busy = 1;
317	my @res;	493	my @res;
318		494
319	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	497	@res = eval { $job->() };
321	warn $@ if $@;	498	warn $@ if $@;
322	undef $busy;	499	undef $busy;
323	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
324		501
325	while ($busy) {	502	while ($busy) {
326	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
327	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
328		513
329	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
330	} else {	515	} else {
331	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
332		517
…		…
352	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
353		538
354	$coro	539	$coro
355	}	540	}
356		541
357	sub write_runtime {	542	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		543
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	Executes the given code block with the given arguments in a seperate
361	or return;	545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
362		548
363	my $value = $cf::RUNTIME + 90 + 10;	549	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		550
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	sub fork_call(&@) {
368	and return;	552	my ($cb, @args) = @_;
369		553
370	# always fsync - this file is important	554	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	555	# otherwise perl prematurely frees the stuff :/
372	and return;	556	# TODO: investigate and fix (likely this will be rather laborious)
373		557
374	close $fh	558	my @res = Coro::Util::fork_eval {
375	or return;	559	reset_signals;
		560	&$cb
		561	}, @args;
376		562
377	aio_rename "$runtime~", $runtime	563	wantarray ? @res : $res[-1]
378	and return;	564	}
379		565
		566	=item $coin = coin_from_name $name
		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
380	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
		718	}
		719
		720	=item cf::datalog type => key => value, ...
		721
		722	Log a datalog packet of the given type with the given key-value pairs.
		723
		724	=cut
		725
		726	sub datalog($@) {
		727	my ($type, %kv) = @_;
		728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	729	}
382		730
383	=back	731	=back
384		732
385	=cut	733	=cut
386		734
387	#############################################################################	735	#############################################################################
388		736
389	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
390		738
391	Many objects in crossfire are so-called attachable objects. That means you can	739	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")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
394		742
395	In the following description, CLASS can be any of C<global>, C<object>	743	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	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	745	Deliantra).
398		746
399	=over 4	747	=over 4
400		748
401	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
402		750
…		…
446	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
447		795
448	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
450		798
451	Some classes such as crossfire maps and objects can specify attachments	799	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.	800	that are attached at load/instantiate time, thus the need for a name.
453		801
454	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
455		803
456	=over 4	804	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
566		914
567	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		919
572	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	921	my $pkg = shift @arg;
574		922
575	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
605	}	953	}
606		954
607	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
608	} else {	956	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	958	}
611		959
612	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
613	}	961	}
614		962
…		…
616	if (ref $_[0]) {	964	if (ref $_[0]) {
617	_object_attach @_;	965	_object_attach @_;
618	} else {	966	} else {
619	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
620	}	968	}
		969	_recalc_want;
621	};	970	};
622		971
623	# all those should be optimised	972	# all those should be optimised
624	sub cf::attachable::detach {	973	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
629	reattach ($obj);	978	reattach ($obj);
630	} else {	979	} else {
631	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
632	}	981	}
		982	_recalc_want;
633	};	983	};
634		984
635	sub cf::attachable::attached {	985	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
637		987
…		…
652	";	1002	";
653	die if $@;	1003	die if $@;
654	}	1004	}
655		1005
656	our $override;	1006	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1008
659	sub override {	1009	sub override {
660	$override = 1;	1010	$override = 1;
661	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
662	}	1012	}
663		1013
664	sub do_invoke {	1014	sub do_invoke {
665	my $event = shift;	1015	my $event = shift;
666	my $callbacks = shift;	1016	my $callbacks = shift;
667		1017
668	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
669		1019
670	local $override;	1020	local $override;
671		1021
672	for (@$callbacks) {	1022	for (@$callbacks) {
673	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
682	}	1032	}
683		1033
684	0	1034	0
685	}	1035	}
686		1036
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1038
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1040
691	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
692		1042
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	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	1044	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1046
697	=back	1047	=back
698		1048
699	=cut	1049	=cut
700		1050
701	#############################################################################	1051	#############################################################################
702	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
703		1095
704	sub reattach {	1096	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1098	my ($obj) = @_;
707		1099
		1100	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1102
710	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
711		1104
712	@$registry = ();	1105	@$registry = ();
713		1106
…		…
728	cf::attachable->attach (	1121	cf::attachable->attach (
729	prio => -1000000,	1122	prio => -1000000,
730	on_instantiate => sub {	1123	on_instantiate => sub {
731	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
732		1125
733	$data = from_json $data;	1126	$data = decode_json $data;
734		1127
735	for (@$data) {	1128	for (@$data) {
736	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
737		1130
738	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1147	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
756		1149
757	sync_job {	1150	sync_job {
758	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
761		1155
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1160	aio_close $fh;
767		1161
768	if (@$objs) {	1162	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1168	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
776	}	1170	}
777	} else {	1171	} else {
778	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
779	}	1173	}
…		…
784	}	1178	}
785	} else {	1179	} else {
786	aio_unlink $filename;	1180	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
788	}	1182	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1183	};
796	}	1184	}
797		1185
798	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
800		1188
…		…
805		1193
806	sub object_thawer_load {	1194	sub object_thawer_load {
807	my ($filename) = @_;	1195	my ($filename) = @_;
808		1196
809	my ($data, $av);	1197	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1198
814	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
815	or return;	1200	or return;
816		1201
817	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
819	or return;	1204	or return;
		1205
820	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
821	}	1208	}
822		1209
		1210	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
825	return ($data, $av);	1214	($data, $av)
826	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
827		1222
828	#############################################################################	1223	#############################################################################
829	# command handling &c	1224	# command handling &c
830		1225
831	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1240	}
846		1241
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1243
849	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
850		1249
851	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
852	called.	1251	called.
853		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
854	=cut	1264	=cut
855		1265
856	sub register_extcmd {	1266	sub register_extcmd {
857	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
858		1268
859	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
860	}	1276	}
861		1277
862	cf::player->attach (	1278	cf::player->attach (
863	on_command => sub {	1279	on_command => sub {
864	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1289	cf::override;
874	},	1290	},
875	on_extcmd => sub {	1291	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
877		1293
878	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1295
880	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
886	} else {	1311	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1313	}
889		1314
890	cf::override;	1315	cf::override;
891	},	1316	},
892	);	1317	);
893		1318
894	sub load_extension {
895	my ($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 {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
929	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1324	next unless -r $path;
931	eval {	1325
932	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
933	1	1382	}
934	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
935	}	1388	};
936	}	1389	}
937		1390
938	#############################################################################	1391	#############################################################################
939		1392
		1393	=back
		1394
940	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
941		1396
942	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
943		1398
944	=cut	1399	=cut
945		1400
946	package cf::player;	1401	package cf::player;
947		1402
…		…
949		1404
950	=head3 cf::player	1405	=head3 cf::player
951		1406
952	=over 4	1407	=over 4
953		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
		1422
954	=item cf::player::find $login	1423	=item cf::player::find $login
955		1424
956	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
957		1426
958	=cut	1427	=cut
959		1428
960	sub playerdir($) {	1429	sub playerdir($) {
961	cf::localdir	1430	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1432	}
967		1433
968	sub path($) {	1434	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1436
971	(playerdir $login) . "/$login.pl"	1437	(playerdir $login) . "/playerdata"
972	}	1438	}
973		1439
974	sub find_active($) {	1440	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1441	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1442	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1455	my $login = $_[0];
990		1456
991	my $guard = cf::lock_acquire "user_find:$login";	1457	my $guard = cf::lock_acquire "user_find:$login";
992		1458
993	$cf::PLAYER{$_[0]} || do {	1459	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1460	# rename old playerfiles to new ones
		1461	#TODO: remove when no longer required
		1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1465	aio_unlink +(playerdir $login) . "/$login.pl";
		1466
		1467	my $f = new_from_file cf::object::thawer path $login
995	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
997	}	1476	}
998	}	1477	}
999	}	1478	}
1000		1479
…		…
1009	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1010		1489
1011	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1013		1492
		1493	cf::get_slot 0.01;
		1494
1014	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1015	Coro::cede;	1496	cf::cede_to_tick;
1016	}	1497	}
1017		1498
1018	sub new($) {	1499	sub new($) {
1019	my ($login) = @_;	1500	my ($login) = @_;
1020		1501
…		…
1026	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1027		1508
1028	$self	1509	$self
1029	}	1510	}
1030		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1031	=item $pl->quit_character	1522	=item $pl->quit_character
1032		1523
1033	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1035		1526
1036	=cut	1527	=cut
1037		1528
1038	sub quit_character {	1529	sub quit_character {
1039	my ($pl) = @_;	1530	my ($pl) = @_;
1040		1531
		1532	my $name = $pl->ob->name;
		1533
1041	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1536
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1048		1543
1049	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1546	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1547	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1548	$pl->destroy;
		1549
		1550	my $prefix = qr<^~\Q$name\E/>;
		1551
		1552	# nuke player maps
		1553	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1554
1054	IO::AIO::aio_rmtree $temp;	1555	IO::AIO::aio_rmtree $temp;
		1556	}
		1557
		1558	=item $pl->kick
		1559
		1560	Kicks a player out of the game. This destroys the connection.
		1561
		1562	=cut
		1563
		1564	sub kick {
		1565	my ($pl, $kicker) = @_;
		1566
		1567	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1568	$pl->killer ("kicked");
		1569	$pl->ns->destroy;
1055	}	1570	}
1056		1571
1057	=item cf::player::list_logins	1572	=item cf::player::list_logins
1058		1573
1059	Returns am arrayref of all valid playernames in the system, can take a	1574	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1061		1576
1062	=cut	1577	=cut
1063		1578
1064	sub list_logins {	1579	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1581	or return [];
1067		1582
1068	my @logins;	1583	my @logins;
1069		1584
1070	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1074		1595
1075	utf8::decode $login;	1596	utf8::decode $login;
1076	push @logins, $login;	1597	push @logins, $login;
1077	}	1598	}
1078		1599
…		…
1105	}	1626	}
1106		1627
1107	\@paths	1628	\@paths
1108	}	1629	}
1109		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1111		1636
1112	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1113		1638
1114	=cut	1639	=cut
1115		1640
1116	sub ext_reply($$$%) {	1641	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1118		1643
1119	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1645	}
1123		1646
1124	package cf;	1647	=item $player->ext_msg ($type, @msg)
		1648
		1649	Sends an ext event to the client.
		1650
		1651	=cut
		1652
		1653	sub ext_msg($$@) {
		1654	my ($self, $type, @msg) = @_;
		1655
		1656	$self->ns->ext_msg ($type, @msg);
		1657	}
		1658
		1659	=head3 cf::region
		1660
		1661	=over 4
		1662
		1663	=cut
		1664
		1665	package cf::region;
		1666
		1667	=item cf::region::find_by_path $path
		1668
		1669	Tries to decuce the likely region for a map knowing only its path.
		1670
		1671	=cut
		1672
		1673	sub find_by_path($) {
		1674	my ($path) = @_;
		1675
		1676	my ($match, $specificity);
		1677
		1678	for my $region (list) {
		1679	if ($region->{match} && $path =~ $region->{match}) {
		1680	($match, $specificity) = ($region, $region->specificity)
		1681	if $region->specificity > $specificity;
		1682	}
		1683	}
		1684
		1685	$match
		1686	}
1125		1687
1126	=back	1688	=back
1127
1128		1689
1129	=head3 cf::map	1690	=head3 cf::map
1130		1691
1131	=over 4	1692	=over 4
1132		1693
…		…
1144	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1146		1707
1147	sub generate_random_map {	1708	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1149	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1714	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1188		1752
1189	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1190	local $self->{path};	1754	local $self->{path};
1191	local $self->{load_path};	1755	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1756
1195	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1196	}	1758	}
1197		1759
1198	sub normalise {	1760	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1246	return $self;	1808	return $self;
1247	}	1809	}
1248	}	1810	}
1249		1811
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1813	()
1252	}	1814	}
1253		1815
1254	sub init {	1816	sub init {
1255	my ($self) = @_;	1817	my ($self) = @_;
…		…
1270		1832
1271	# the original (read-only) location	1833	# the original (read-only) location
1272	sub load_path {	1834	sub load_path {
1273	my ($self) = @_;	1835	my ($self) = @_;
1274		1836
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1276	}	1838	}
1277		1839
1278	# the temporary/swap location	1840	# the temporary/swap location
1279	sub save_path {	1841	sub save_path {
1280	my ($self) = @_;	1842	my ($self) = @_;
1281		1843
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1284	}	1846	}
1285		1847
1286	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1287	sub uniq_path {	1849	sub uniq_path {
1288	my ($self) = @_;	1850	my ($self) = @_;
1289		1851
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1292	}	1854	}
1293		1855
1294	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1295	# all maps in C++...	1857	# all maps in C++...
1296	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1298		1860
1299	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1301	}	1863	}
1302		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1303	sub unlink_save {	1873	sub unlink_save {
1304	my ($self) = @_;	1874	my ($self) = @_;
1305		1875
1306	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1878	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	}	1879	}
1315		1880
1316	sub load_header_from($) {	1881	sub load_header_from($) {
1317	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1318		1883
1319	utf8::encode $path;	1884	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1325		1893
1326	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1327		1895
1328	1	1896	1
1329	}	1897	}
…		…
1368	$self->load_header_orig	1936	$self->load_header_orig
1369	or return;	1937	or return;
1370	$self->prepare_orig;	1938	$self->prepare_orig;
1371	}	1939	}
1372		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
		1944	$self->default_region (cf::region::find_by_path $self->{path})
		1945	unless $self->default_region;
		1946
1373	1	1947	1
1374	}	1948	}
1375		1949
1376	sub find;	1950	sub find;
1377	sub find {	1951	sub find {
1378	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1379		1953
1380	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1381		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1383		1958
1384	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1386	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1387	or return;	1964	or return;
1388		1965
1389	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1390		1967
1391	$map->load_header	1968	$map->load_header
1392	or return;	1969	or return;
1393		1970
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1397	$map->reset;	1976	$map->reset;
1398	undef $guard;
1399	return find $path;	1977	return find $path;
1400	}	1978	}
1401		1979
1402	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1403	}	1981	}
…		…
1410	my ($self) = @_;	1988	my ($self) = @_;
1411		1989
1412	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1413		1991
1414	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1416		1996
		1997	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1999
1419	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1420		2001
1421	$self->alloc;	2002	$self->alloc;
1422		2003
1423	$self->pre_load;	2004	$self->pre_load;
		2005	cf::cede_to_tick;
1424		2006
1425	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1426	or return;	2010	or return;
1427		2011
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1429	if delete $self->{load_original};	2013	if delete $self->{load_original};
1430		2014
1431	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2016	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2019	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1436	}	2023	}
1437	}	2024	}
1438		2025
1439	Coro::cede;	2026	$f->resolve_delayed_derefs;
1440		2027
		2028	cf::cede_to_tick;
1441	# now do the right thing for maps	2029	# now do the right thing for maps
1442	$self->link_multipart_objects;	2030	$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)	2031	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2032	unless $self->difficulty;
1452	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1453	$self->activate;	2042	$self->activate;
		2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2049	}
1455		2050
1456	$self->post_load;	2051	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2052	}
1460		2053
1461	sub customise_for {	2054	sub customise_for {
1462	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1463		2056
1464	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2058	if $self->per_player;
1466		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1467	$self	2063	$self
1468	}	2064	}
1469		2065
1470	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2067	sub load_neighbours {
1472	my ($map) = @_;	2068	my ($map) = @_;
1473		2069
1474	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1475		2071
1476	for (0 .. 3) {	2072	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1478	or next;	2074	or next;
1479	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1480	or next;	2076	or next;
1481	$neigh->load;	2077	$neigh->load;
1482		2078
		2079	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2082	}
1486		2083
1487	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1489	or next;	2087	or next;
1490	$neigh->load;	2088	$neigh->load;
1491	}	2089	}
1492	}	2090	}
1493		2091
…		…
1498	}	2096	}
1499		2097
1500	sub do_load_sync {	2098	sub do_load_sync {
1501	my ($map) = @_;	2099	my ($map) = @_;
1502		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1503	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1504	}	2105	}
1505		2106
1506	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1508		2109
1509	sub find_async {	2110	sub find_async {
1510	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1511		2112
1512	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1513		2114
1514	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2117	}
1517		2118
1518	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1519	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1520	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2126	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2127	$map->load if $v;
		2128	}
1525		2129
1526	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1527	}	2131	}
1528	}	2132	}
1529	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1530	};	2134	};
1531	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2138	}
1535		2139
1536	sub save {	2140	sub save {
1537	my ($self) = @_;	2141	my ($self) = @_;
1538		2142
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2144
1541	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1542		2146
1543	return unless $self->dirty;	2147	return unless $self->dirty;
1544		2148
…		…
1550	return if $self->{deny_save};	2154	return if $self->{deny_save};
1551		2155
1552	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1553		2157
1554	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1556	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1557		2164
1558	if ($uniq) {	2165	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2168	} else {
…		…
1567	my ($self) = @_;	2174	my ($self) = @_;
1568		2175
1569	# save first because save cedes	2176	# save first because save cedes
1570	$self->save;	2177	$self->save;
1571		2178
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2180
1574	return if $self->players;	2181	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2183	return if $self->{deny_save};
1577		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2189	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2190	}
1581		2191
1582	sub reset_at {	2192	sub reset_at {
1583	my ($self) = @_;	2193	my ($self) = @_;
1584		2194
1585	# TODO: safety, remove and allow resettable per-player maps	2195	# 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};	2196	return 1e99 if $self->{deny_reset};
1588		2197
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2200
…		…
1602	my ($self) = @_;	2211	my ($self) = @_;
1603		2212
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2214
1606	return if $self->players;	2215	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2216
1609	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1610		2228
1611	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1612		2230
1613	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2233	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2234
1618	$self->unlink_save;	2235	$self->unlink_save;
1619	$self->destroy;	2236	$self->destroy;
1620	}	2237	}
1621		2238
1622	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1623		2240
1624	sub nuke {	2241	sub nuke {
1625	my ($self) = @_;	2242	my ($self) = @_;
1626		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1627	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1628		2248
1629	$self->unlink_save;	2249	$self->unlink_save;
1630		2250
1631	bless $self, "cf::map";	2251	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2256
1637	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1638		2259
1639	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1640	}	2297	}
1641		2298
1642	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1643		2300
1644	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2302	instantiated unique items. May block.
1646		2303
1647	=cut	2304	=cut
1648		2305
1649	sub unique_maps() {	2306	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1651	or return;	2308	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2309	utf8::decode $_;
1657	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2312	? ()
1660	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2315	]
1662
1663	\@paths
1664	}	2316	}
1665
1666	package cf;
1667		2317
1668	=back	2318	=back
1669		2319
1670	=head3 cf::object	2320	=head3 cf::object
1671		2321
…		…
1675		2325
1676	=over 4	2326	=over 4
1677		2327
1678	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1679		2329
1680	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1681		2332
1682	=cut	2333	=cut
1683		2334
1684	sub inv_recursive_;	2335	sub inv_recursive_;
1685	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1688		2339
1689	sub inv_recursive {	2340	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1691	}	2342	}
1692		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1693	package cf;	2372	package cf;
1694		2373
1695	=back	2374	=back
1696		2375
1697	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	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	2383	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1706		2385
1707	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1708		2401
1709	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2403	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1714		2407
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2409
1717	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1719	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1722	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1723	}	2435	}
1724		2436
1725	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1726		2438
1727	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1740		2452
1741	=item $player_object->enter_link	2453	=item $player_object->enter_link
1742		2454
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2456
1745	The player should be reasonably safe there for short amounts of time. You	2457	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.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1747		2461
1748	Will never block.	2462	Will never block.
1749		2463
1750	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1751		2465
…		…
1774	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1775		2489
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2491
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1780		2494
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2496	}
1783		2497
1784	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1786		2502
1787	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1788		2504
1789	unless ($map) {	2505	unless ($map) {
1790	# restore original map position	2506	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1807		2523
1808	$map->load;	2524	$map->load;
1809	$map->load_diag;	2525	$map->load_neighbours;
1810		2526
1811	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1814	}	2533	}
1815		2534
1816	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2536
1820	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1824	};	2541	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2542
1830	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1832	if ($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		2545
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1851		2549
1852	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2555
1855	$self->enter_link;	2556	$self->enter_link;
1856		2557
1857	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1858	my $map = eval {	2580	my $map = eval {
1859	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1861	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2596	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1866	})->prio (1);	2604	})->prio (1);
1867	}	2605	}
1868		2606
1869	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1870		2608
…		…
1890	}	2628	}
1891		2629
1892	sub prepare_random_map {	2630	sub prepare_random_map {
1893	my ($exit) = @_;	2631	my ($exit) = @_;
1894		2632
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2635	# that depends on the exit object
1900		2636
1901	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2639	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1908	}	2646	}
1909		2647
1910	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1911		2649
1912	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1915		2653
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2656	undef $fh;
1919	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1920		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1923	}	2665	}
1924	}	2666	}
1925		2667
1926	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
1928		2670
1929	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
1930		2672
1931	if ($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;	2673	$self->enter_link;
1941		2674
1942	(async {	2675	(async {
1943	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
1944	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
1945	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
1946		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
1947	1;	2699	1
1948	}) {	2700	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2705
1954	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2707	$self->leave_link;
1956	}	2708	}
1957	})->prio (1);	2709	})->prio (1);
…		…
1970		2722
1971	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1973		2725
1974	utf8::encode $text;	2726	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2728	}
1977		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
		2881	=item $client->ext_msg ($type, @msg)
		2882
		2883	Sends an ext event to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_msg($$@) {
		2888	my ($self, $type, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
		2893	push @msg, msgtype => "event_$type";
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
1978		2915
1979	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
1980		2917
1981	Queues a query to the client, calling the given callback with	2918	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>,	2919	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>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2921
1985	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2923	become reliable at some point in the future.
1987		2924
1988	=cut	2925	=cut
1989		2926
1990	sub cf::client::query {	2927	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2936	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2938
2002	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2004	}	2943	}
2005		2944
2006	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2007	on_reply => sub {	2951	on_reply => sub {
2008	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2009		2953
2010	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2011	# get handled first	2955	# get handled first
…		…
2023	} else {	2967	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2969	}
2026	}	2970	}
2027	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2028	);	2998	);
2029		2999
2030	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2031		3001
2032	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2075		3045
2076	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2077		3047
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2079		3053
2080	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2081		3055
2082	=pod	3056	=pod
2083		3057
2084	The following fucntions and emthods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2085		3059
2086	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2087	cf::object::player player	3064	cf::object::player
2088	cf::player peaceful	3065	player
2089	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2090		3072
2091	=cut	3073	=cut
2092		3074
2093	for (	3075	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2098	) {	3082	) {
2099	no strict 'refs';	3083	no strict 'refs';
…		…
2170	=back	3154	=back
2171		3155
2172	=cut	3156	=cut
2173		3157
2174	#############################################################################	3158	#############################################################################
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	3159	# the server's init and main functions
2284		3160
		3161	sub load_facedata($) {
		3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
		3170	warn "loading facedata from $path\n";
		3171
		3172	my $facedata;
		3173	0 < aio_load $path, $facedata
		3174	or die "$path: $!";
		3175
		3176	$facedata = Coro::Storable::thaw $facedata;
		3177
		3178	$facedata->{version} == 2
		3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
		3188	{
		3189	my $faces = $facedata->{faceinfo};
		3190
		3191	while (my ($face, $info) = each %$faces) {
		3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
		3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
		3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3198
		3199	cf::cede_to_tick;
		3200	}
		3201
		3202	while (my ($face, $info) = each %$faces) {
		3203	next unless $info->{smooth};
		3204
		3205	my $idx = cf::face::find $face
		3206	or next;
		3207
		3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
		3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3211	} else {
		3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3213	}
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217	}
		3218
		3219	{
		3220	my $anims = $facedata->{animinfo};
		3221
		3222	while (my ($anim, $info) = each %$anims) {
		3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3224	cf::cede_to_tick;
		3225	}
		3226
		3227	cf::anim::invalidate_all; # d'oh
		3228	}
		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
		3265	1
		3266	}
		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
2285	sub load_resources {	3296	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3312	or die "unable to load regions file\n";
2288	}
2289		3313
2290	sub cfg_load {	3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	}
		3329
		3330	sub reload_treasures {
		3331	load_resource_file "$DATADIR/treasures"
		3332	or die "unable to load treasurelists\n";
		3333	}
		3334
		3335	sub reload_resources {
		3336	warn "reloading resource files...\n";
		3337
		3338	reload_facedata;
		3339	reload_archetypes;
		3340	reload_regions;
		3341	reload_treasures;
		3342
		3343	warn "finished reloading resource files\n";
		3344	}
		3345
		3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
		3351	reload_resources;
		3352	}
		3353
		3354	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3356	or return;
2293		3357
2294	local $/;	3358	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2296		3360
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3362
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$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};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3370	};
2307	warn $@ if $@;	3371	warn $@ if $@;
2308	}	3372	}
2309	}	3373	}
2310		3374
2311	sub init {	3375	sub pidfile() {
2312	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2313	}	3392	}
2314		3393
2315	sub main {	3394	sub main {
		3395	atomic;
		3396
2316	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3400	(async {
2320	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2322	};	3404	};
2323		3405
2324	cfg_load;	3406	{
2325	db_load;	3407	my $guard = freeze_mainloop;
		3408	reload_config;
		3409	db_init;
2326	load_extensions;	3410	load_extensions;
2327		3411
2328	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2329	Event::loop;	3420	EV::loop;
2330	}	3421	}
2331		3422
2332	#############################################################################	3423	#############################################################################
2333	# initialisation and cleanup	3424	# initialisation and cleanup
2334		3425
2335	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2336	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3430	$SIGWATCHER{$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";	3431	cf::cleanup "SIG$signal";
2345	},
2346	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2347	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2348	}	3513	}
2349		3514
2350	sub emergency_save() {	3515	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2352		3517
…		…
2358	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3529	$pl->save;
2364	}	3530	}
2365	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2366		3532
2367	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3536	$map->valid or next;
2371	$map->save;	3537	$map->save;
2372	}	3538	}
2373	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
		3540
		3541	warn "begin emergency database checkpoint\n";
		3542	BDB::db_env_txn_checkpoint $DB_ENV;
		3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2374	};	3548	};
2375		3549
2376	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2377	}	3551	}
2378		3552
		3553	sub post_cleanup {
		3554	my ($make_core) = @_;
		3555
		3556	warn Carp::longmess "post_cleanup backtrace"
		3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
		3587	}
		3588
2379	sub reload() {	3589	sub do_reload_perl() {
2380	# can/must only be called in main	3590	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2383	return;	3593	return;
2384	}	3594	}
2385		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2386	warn "reloading...";	3599	warn "reloading...";
2387		3600
2388	warn "cancelling server ticker";	3601	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2392		3607
2393	eval {	3608	warn "syncing database to disk";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610
2394	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2395		3612
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";	3613	warn "flushing outstanding aio requests";
2405	for (;;) {	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3615	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	}	3616	}
2432		3617
2433	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2435	}	3620	%EXT_CORO = ();
2436		3621
2437	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3631	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3632
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2448	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2449	}	3642	}
2450		3643
2451	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2452	}	3659	}
2453		3660
2454	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3664
2458	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2460		3668
2461	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3670	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2464		3672
2465	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2466		3674
2467	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2468	require cf;	3676	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3678
2471	warn "loading config and database again";	3679	warn "loading config and database again";
2472	cf::cfg_load;	3680	cf::reload_config;
2473	cf::db_load;
2474		3681
2475	warn "loading extensions";	3682	warn "loading extensions";
2476	cf::load_extensions;	3683	cf::load_extensions;
2477		3684
2478	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3686	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
2482		3691
2483	warn "loading reloadable resources";	3692	warn "leaving sync_job";
2484	load_resources;
2485		3693
2486	warn "restarting server ticker";	3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
		3698	};
2487		3699
2488	$TICK_WATCHER->start;	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
		3703	};
		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
2489	};	3714	};
2490		3715	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3716
2502	register_command "reload" => sub {	3717	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2504		3719
2505	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2507		3722	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3723	$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;	3724	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3725	};
2520	}	3726	}
2521	};	3727	};
2522		3728
2523	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2524		3730
2525	my $bug_warning = 0;	3731	my $bug_warning = 0;
2526		3732
2527	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3735
2530	prio => 0,	3736	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3738
2533	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2534	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2537	return;	3756	return;
2538	}	3757	}
2539		3758
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3760
2546	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
		3765	write_runtime_sync
		3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
		3768	}
2548		3769
2549	Event::sweep;	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
2551		3785	}
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	},	3786	}
2561	);	3787	}
2562		3788
2563	{	3789	{
2564	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3791
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;	3792	BDB::min_parallel 8;
2574		3793	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3794	$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	$! = $status;
2586	},
2587	)
2588	};
2589		3795
2590	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3803
2593	cf::sync_job {	3804	cf::sync_job {
		3805	eval {
2594	BDB::db_env_open	3806	BDB::db_env_open
2595	$DB_ENV,	3807	$DB_ENV,
2596	$BDB_ENV_DIR,	3808	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3811	0666;
2600		3812
2601	cf::cleanup "$!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3814	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3815
2604	$DB_ENV->set_lk_detect;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3817	};
2606	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2607	}	3829	}
2608		3830
2609	{	3831	{
		3832	# configure IO::AIO
		3833
2610	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3836	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	}	3837	}
2623		3838
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3839	my $_log_backtrace;
2625	reentrant => 0,	3840
2626	data => WF_AUTOCANCEL,	3841	sub _log_backtrace {
2627	after => 1,	3842	my ($msg, @addr) = @_;
2628	interval => 10,	3843
2629	prio => 6, # keep it lowest so it acts like a watchdog	3844	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3845
2631	write_runtime	3846	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3878	}
2634	);	3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2635		3883
2636	END { cf::emergency_save }	3884	END { cf::emergency_save }
2637		3885
2638	1	3886	1
2639		3887

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