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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
		56	use YAML ();
26	use IO::AIO 2.32 ();	57	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
30		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is
34		74
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		76
42	our %COMMAND = ();	77	our %COMMAND = ();
43	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
44		79
45	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
49		85
50	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	87	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		88
54	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	90	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	107	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	113	our $DB_ENV;
64		114
65	our %CFG;	115	our %CFG;
66		116
67	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
69		120
70	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		124
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $TICK_START; # for load detecting purposes
		132
82	binmode STDOUT;	133	binmode STDOUT;
83	binmode STDERR;	134	binmode STDERR;
84		135
85	# read virtual server time, if available	136	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
90	}	141	}
91		142
92	mkdir cf::localdir;	143	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		145
99	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
100		147
101	sub cf::map::normalise;	148	sub cf::map::normalise;
102		149
…		…
113	=item $cf::RUNTIME	160	=item $cf::RUNTIME
114		161
115	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
116	every server tick.	163	every server tick.
117		164
118	=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
119		168
120	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		173
123	=item $cf::NOW	174	=item $cf::NOW
124		175
125	The time of the last (current) server tick.	176	The time of the last (current) server tick.
126		177
127	=item $cf::TICK	178	=item $cf::TICK
128		179
129	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	192	=item %cf::CFG
132		193
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	195	from wherever your confdir points to.
135		196
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		198
138	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
139	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
140	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.
141	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.
142		208
143	=back	209	=back
144		210
145	=cut	211	=cut
146		212
147	BEGIN {	213	BEGIN {
148	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	215	my $msg = join "", @_;
150	utf8::encode $msg;
151		216
152	$msg .= "\n"	217	$msg .= "\n"
153	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
154		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
155	LOG llevError, $msg;	222	LOG llevError, $msg;
156	};	223	};
157	}	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#?
158		240
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		248
166	# 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
167	# within the Safe compartment.	250	# within the Safe compartment.
168	for my $pkg (qw(	251	for my $pkg (qw(
169	cf::global cf::attachable	252	cf::global cf::attachable
170	cf::object cf::object::player	253	cf::object cf::object::player
171	cf::client cf::player	254	cf::client cf::player
172	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
173	cf::map cf::party cf::region	257	cf::party cf::region
174	)) {	258	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	260	}
178		261
179	$Event::DIED = sub {	262	$EV::DIED = sub {
180	warn "error in event callback: @_";	263	warn "error in event callback: @_";
181	};	264	};
		265
		266	#############################################################################
182		267
183	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
184		269
185	=over 4	270	=over 4
186		271
…		…
205	$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;
206	$d	291	$d
207	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
208	}	293	}
209		294
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
213		296
214	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
215		298
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
224		300
225	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
226		302
227	=cut	303	=cut
228		304
229	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
231	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
233		309
234	=item cf::lock_wait $string	310	=item cf::lock_wait $string
235		311
236	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
237		313
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
243	returned.	319	returned.
244		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
245	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
246	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
247		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
248	=cut	331	=cut
249		332
250	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
251		335
252	sub lock_wait($) {	336	sub lock_wait($) {
253	my ($key) = @_;	337	my ($key) = @_;
254		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
255	# wait for lock, if any	344	# wait for lock, if any
256	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
257	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	348	Coro::schedule;
259	}	349	}
260	}	350	}
261		351
…		…
264		354
265	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
266	lock_wait $key;	356	lock_wait $key;
267		357
268	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
269		360
270	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
273	}	365	}
274	}	366	}
275		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
276	sub freeze_mainloop {	374	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
278		376
279	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
280	$TICK_WATCHER->start;	378	}
		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($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
281	};	438	}
282	$TICK_WATCHER->stop;	439	};
283	$guard	440
		441	sub get_slot($;$$) {
		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	$sig->wait;
284	}	453	}
285		454
286	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
287		456
288	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		462
294	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
295		464
296	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
297		466
298	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
301		471
302	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
305	fast or be very important.	475	fast or be very important.
…		…
308		478
309	sub sync_job(&) {	479	sub sync_job(&) {
310	my ($job) = @_;	480	my ($job) = @_;
311		481
312	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
313	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
315		487
316	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	489
318	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
319		491
320	my $busy = 1;	492	my $busy = 1;
321	my @res;	493	my @res;
322		494
323	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	497	@res = eval { $job->() };
325	warn $@ if $@;	498	warn $@ if $@;
326	undef $busy;	499	undef $busy;
327	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
328		501
329	while ($busy) {	502	while ($busy) {
330	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
331	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
332		513
333	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
334	} else {	515	} else {
335	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
336		517
…		…
356	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
357		538
358	$coro	539	$coro
359	}	540	}
360		541
361	sub write_runtime {	542	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		543
364	my $runtime = cf::localdir . "/runtime";	544	Executes the given code block with the given arguments in a seperate
		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.
365		548
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	=cut
367	or return;
368		550
369	my $value = $cf::RUNTIME + 90 + 10;	551	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	552	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		553
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	# we seemingly have to make a local copy of the whole thing,
374	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
375		557
376	# always fsync - this file is important	558	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	559	reset_signals;
378	and return;	560	&$cb
		561	}, @args;
379		562
380	close $fh	563	wantarray ? @res : $res[-1]
381	or return;	564	}
382		565
383	aio_rename "$runtime~", $runtime	566	=item $coin = coin_from_name $name
384	and return;
385		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		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($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
386	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		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 });
387	}	729	}
388		730
389	=back	731	=back
390		732
391	=cut	733	=cut
392		734
393	#############################################################################	735	#############################################################################
394		736
395	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
396		738
397	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
398	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")
399	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
400		742
401	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>
402	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
403	crossfire+).	745	Deliantra).
404		746
405	=over 4	747	=over 4
406		748
407	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
408		750
…		…
452	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
453		795
454	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
456		798
457	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		801
460	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
461		803
462	=over 4	804	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
572		914
573	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		919
578	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	921	my $pkg = shift @arg;
580		922
581	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
611	}	953	}
612		954
613	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
614	} else {	956	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	958	}
617		959
618	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
619	}	961	}
620		962
…		…
622	if (ref $_[0]) {	964	if (ref $_[0]) {
623	_object_attach @_;	965	_object_attach @_;
624	} else {	966	} else {
625	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
626	}	968	}
		969	_recalc_want;
627	};	970	};
628		971
629	# all those should be optimised	972	# all those should be optimised
630	sub cf::attachable::detach {	973	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
635	reattach ($obj);	978	reattach ($obj);
636	} else {	979	} else {
637	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
638	}	981	}
		982	_recalc_want;
639	};	983	};
640		984
641	sub cf::attachable::attached {	985	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
643		987
…		…
658	";	1002	";
659	die if $@;	1003	die if $@;
660	}	1004	}
661		1005
662	our $override;	1006	our $override;
663	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?
664		1008
665	sub override {	1009	sub override {
666	$override = 1;	1010	$override = 1;
667	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
668	}	1012	}
669		1013
670	sub do_invoke {	1014	sub do_invoke {
671	my $event = shift;	1015	my $event = shift;
672	my $callbacks = shift;	1016	my $callbacks = shift;
673		1017
674	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
675		1019
676	local $override;	1020	local $override;
677		1021
678	for (@$callbacks) {	1022	for (@$callbacks) {
679	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
688	}	1032	}
689		1033
690	0	1034	0
691	}	1035	}
692		1036
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1038
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1040
697	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
698		1042
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1046
703	=back	1047	=back
704		1048
705	=cut	1049	=cut
706		1050
707	#############################################################################	1051	#############################################################################
708	# 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, $ob2
		1094	}
709		1095
710	sub reattach {	1096	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1098	my ($obj) = @_;
713		1099
		1100	# no longer needed after getting rid of delete_package?
714	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
715		1102
716	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
717		1104
718	@$registry = ();	1105	@$registry = ();
719		1106
…		…
734	cf::attachable->attach (	1121	cf::attachable->attach (
735	prio => -1000000,	1122	prio => -1000000,
736	on_instantiate => sub {	1123	on_instantiate => sub {
737	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
738		1125
739	$data = from_json $data;	1126	$data = decode_json $data;
740		1127
741	for (@$data) {	1128	for (@$data) {
742	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
743		1130
744	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1147	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
762		1149
763	sync_job {	1150	sync_job {
764	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
767		1155
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1160	aio_close $fh;
773		1161
774	if (@$objs) {	1162	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1168	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
782	}	1170	}
783	} else {	1171	} else {
784	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
785	}	1173	}
…		…
790	}	1178	}
791	} else {	1179	} else {
792	aio_unlink $filename;	1180	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
794	}	1182	}
795	}	1183	};
796	}	1184	}
797		1185
798	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
800		1188
…		…
812	or return;	1200	or return;
813		1201
814	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
816	or return;	1204	or return;
		1205
817	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
818	}	1208	}
819		1209
		1210	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
822	return ($data, $av);	1214	($data, $av)
823	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
824		1222
825	#############################################################################	1223	#############################################################################
826	# command handling &c	1224	# command handling &c
827		1225
828	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1240	}
843		1241
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1243
846	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.
847		1249
848	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
849	called.	1251	called.
850		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
851	=cut	1264	=cut
852		1265
853	sub register_extcmd {	1266	sub register_extcmd {
854	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
855		1268
856	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
857	}	1276	}
858		1277
859	cf::player->attach (	1278	cf::player->attach (
860	on_command => sub {	1279	on_command => sub {
861	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1289	cf::override;
871	},	1290	},
872	on_extcmd => sub {	1291	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
874		1293
875	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1295
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
883	} else {	1311	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1313	}
886		1314
887	cf::override;	1315	cf::override;
888	},	1316	},
889	);	1317	);
890		1318
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
926	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1324	next unless -r $path;
928	eval {	1325
929	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	$progress = 1;
930	1	1382	}
931	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
932	}	1388	};
933	}	1389	}
934		1390
935	#############################################################################	1391	#############################################################################
936		1392
		1393	=back
		1394
937	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
938		1396
939	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
940		1398
941	=cut	1399	=cut
942		1400
943	package cf::player;	1401	package cf::player;
944		1402
…		…
946		1404
947	=head3 cf::player	1405	=head3 cf::player
948		1406
949	=over 4	1407	=over 4
950		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
951	=item cf::player::find $login	1423	=item cf::player::find $login
952		1424
953	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
954		1426
955	=cut	1427	=cut
956		1428
957	sub playerdir($) {	1429	sub playerdir($) {
958	cf::localdir	1430	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1432	}
964		1433
965	sub path($) {	1434	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1436
968	(playerdir $login) . "/$login.pl"	1437	(playerdir $login) . "/playerdata"
969	}	1438	}
970		1439
971	sub find_active($) {	1440	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1441	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1442	and $cf::PLAYER{$_[0]}->active
…		…
976		1445
977	sub exists($) {	1446	sub exists($) {
978	my ($login) = @_;	1447	my ($login) = @_;
979		1448
980	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
982	}	1451	}
983		1452
984	sub find($) {	1453	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1455	my $login = $_[0];
987		1456
988	my $guard = cf::lock_acquire "user_find:$login";	1457	my $guard = cf::lock_acquire "user_find:$login";
989		1458
990	$cf::PLAYER{$_[0]} || do {	1459	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
994	}	1476	}
995	}	1477	}
996	}	1478	}
997		1479
…		…
1006	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1007		1489
1008	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1010		1492
		1493	cf::get_slot 0.01;
		1494
1011	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1012	Coro::cede;	1496	cf::cede_to_tick;
1013	}	1497	}
1014		1498
1015	sub new($) {	1499	sub new($) {
1016	my ($login) = @_;	1500	my ($login) = @_;
1017		1501
…		…
1023	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1024		1508
1025	$self	1509	$self
1026	}	1510	}
1027		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
1028	=item $pl->quit_character	1522	=item $pl->quit_character
1029		1523
1030	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1032		1526
…		…
1036	my ($pl) = @_;	1530	my ($pl) = @_;
1037		1531
1038	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1039		1533
1040	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1041	$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
1042		1536
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1047		1543
1048	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1080		1576
1081	=cut	1577	=cut
1082		1578
1083	sub list_logins {	1579	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1581	or return [];
1086		1582
1087	my @logins;	1583	my @logins;
1088		1584
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1093		1595
1094	utf8::decode $login;	1596	utf8::decode $login;
1095	push @logins, $login;	1597	push @logins, $login;
1096	}	1598	}
1097		1599
…		…
1124	}	1626	}
1125		1627
1126	\@paths	1628	\@paths
1127	}	1629	}
1128		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1130		1636
1131	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1132		1638
1133	=cut	1639	=cut
1134		1640
1135	sub ext_reply($$$%) {	1641	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1137		1643
1138	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1645	}
1142		1646
1143	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	}
1144		1687
1145	=back	1688	=back
1146
1147		1689
1148	=head3 cf::map	1690	=head3 cf::map
1149		1691
1150	=over 4	1692	=over 4
1151		1693
…		…
1163	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1165		1707
1166	sub generate_random_map {	1708	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1714	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1207		1752
1208	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1209	local $self->{path};	1754	local $self->{path};
1210	local $self->{load_path};	1755	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1756
1214	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1215	}	1758	}
1216		1759
1217	sub normalise {	1760	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1265	return $self;	1808	return $self;
1266	}	1809	}
1267	}	1810	}
1268		1811
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1813	()
1271	}	1814	}
1272		1815
1273	sub init {	1816	sub init {
1274	my ($self) = @_;	1817	my ($self) = @_;
…		…
1289		1832
1290	# the original (read-only) location	1833	# the original (read-only) location
1291	sub load_path {	1834	sub load_path {
1292	my ($self) = @_;	1835	my ($self) = @_;
1293		1836
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1295	}	1838	}
1296		1839
1297	# the temporary/swap location	1840	# the temporary/swap location
1298	sub save_path {	1841	sub save_path {
1299	my ($self) = @_;	1842	my ($self) = @_;
1300		1843
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1303	}	1846	}
1304		1847
1305	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1306	sub uniq_path {	1849	sub uniq_path {
1307	my ($self) = @_;	1850	my ($self) = @_;
1308		1851
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1311	}	1854	}
1312		1855
1313	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1314	# all maps in C++...	1857	# all maps in C++...
1315	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1317		1860
1318	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1320	}	1863	}
1321		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1322	sub unlink_save {	1873	sub unlink_save {
1323	my ($self) = @_;	1874	my ($self) = @_;
1324		1875
1325	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1880
1330	sub load_header_from($) {	1881	sub load_header_from($) {
1331	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1332		1883
1333	utf8::encode $path;	1884	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1893
1340	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1341		1895
1342	1	1896	1
1343	}	1897	}
…		…
1382	$self->load_header_orig	1936	$self->load_header_orig
1383	or return;	1937	or return;
1384	$self->prepare_orig;	1938	$self->prepare_orig;
1385	}	1939	}
1386		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
1387	1	1947	1
1388	}	1948	}
1389		1949
1390	sub find;	1950	sub find;
1391	sub find {	1951	sub find {
1392	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1393		1953
1394	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1395		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1397		1958
1398	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1400	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1401	or return;	1964	or return;
1402		1965
1403	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1404		1967
1405	$map->load_header	1968	$map->load_header
1406	or return;	1969	or return;
1407		1970
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1411	$map->reset;	1976	$map->reset;
1412	undef $guard;
1413	return find $path;	1977	return find $path;
1414	}	1978	}
1415		1979
1416	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1417	}	1981	}
…		…
1424	my ($self) = @_;	1988	my ($self) = @_;
1425		1989
1426	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1427		1991
1428	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1430		1996
		1997	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1999
1433	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1434		2001
1435	$self->alloc;	2002	$self->alloc;
1436		2003
1437	$self->pre_load;	2004	$self->pre_load;
		2005	cf::cede_to_tick;
1438		2006
1439	$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)
1440	or return;	2010	or return;
1441		2011
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1443	if delete $self->{load_original};	2013	if delete $self->{load_original};
1444		2014
1445	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2016	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2019	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1450	}	2023	}
1451	}	2024	}
1452		2025
1453	Coro::cede;	2026	$f->resolve_delayed_derefs;
1454		2027
		2028	cf::cede_to_tick;
1455	# now do the right thing for maps	2029	# now do the right thing for maps
1456	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2032	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2049	}
1469		2050
1470	$self->post_load;	2051	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2052	}
1474		2053
1475	sub customise_for {	2054	sub customise_for {
1476	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1477		2056
1478	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2058	if $self->per_player;
1480		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1481	$self	2063	$self
1482	}	2064	}
1483		2065
1484	# 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
1485	sub load_diag {	2067	sub load_neighbours {
1486	my ($map) = @_;	2068	my ($map) = @_;
1487		2069
1488	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1489		2071
1490	for (0 .. 3) {	2072	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1492	or next;	2074	or next;
1493	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1494	or next;	2076	or next;
1495	$neigh->load;	2077	$neigh->load;
1496		2078
		2079	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2082	}
1500		2083
1501	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1503	or next;	2087	or next;
1504	$neigh->load;	2088	$neigh->load;
1505	}	2089	}
1506	}	2090	}
1507		2091
…		…
1512	}	2096	}
1513		2097
1514	sub do_load_sync {	2098	sub do_load_sync {
1515	my ($map) = @_;	2099	my ($map) = @_;
1516		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1517	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1518	}	2105	}
1519		2106
1520	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1522		2109
1523	sub find_async {	2110	sub find_async {
1524	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1525		2112
1526	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1527		2114
1528	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2117	}
1531		2118
1532	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1533	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1534	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2126	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2127	$map->load if $v;
		2128	}
1539		2129
1540	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1541	}	2131	}
1542	}	2132	}
1543	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1544	};	2134	};
1545	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2138	}
1549		2139
1550	sub save {	2140	sub save {
1551	my ($self) = @_;	2141	my ($self) = @_;
1552		2142
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2144
1555	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1556		2146
1557	return unless $self->dirty;	2147	return unless $self->dirty;
1558		2148
…		…
1564	return if $self->{deny_save};	2154	return if $self->{deny_save};
1565		2155
1566	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1567		2157
1568	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1570	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1571		2164
1572	if ($uniq) {	2165	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2168	} else {
…		…
1581	my ($self) = @_;	2174	my ($self) = @_;
1582		2175
1583	# save first because save cedes	2176	# save first because save cedes
1584	$self->save;	2177	$self->save;
1585		2178
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2180
1588	return if $self->players;	2181	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2183	return if $self->{deny_save};
1591		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2189	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2190	}
1595		2191
1596	sub reset_at {	2192	sub reset_at {
1597	my ($self) = @_;	2193	my ($self) = @_;
1598		2194
1599	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1602		2197
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2200
…		…
1616	my ($self) = @_;	2211	my ($self) = @_;
1617		2212
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2214
1620	return if $self->players;	2215	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2216
1623	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1624		2218
1625	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1626		2220
1627	# need to save uniques path	2221	# need to save uniques path
1628	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2226	if $uniq;
1633	}	2227	}
1634		2228
1635	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1636		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2233	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2234
1641	$self->unlink_save;	2235	$self->unlink_save;
1642	$self->destroy;	2236	$self->destroy;
1643	}	2237	}
1644		2238
1645	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1646		2240
1647	sub nuke {	2241	sub nuke {
1648	my ($self) = @_;	2242	my ($self) = @_;
1649		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1650	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1651		2248
1652	$self->unlink_save;	2249	$self->unlink_save;
1653		2250
1654	bless $self, "cf::map";	2251	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2256
1660	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1661		2259
1662	$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	]
1663	}	2297	}
1664		2298
1665	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1666		2300
1667	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2302	instantiated unique items. May block.
1669		2303
1670	=cut	2304	=cut
1671		2305
1672	sub unique_maps() {	2306	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1674	or return;	2308	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2309	utf8::decode $_;
1680	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2312	? ()
1683	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2315	]
1685
1686	\@paths
1687	}	2316	}
1688
1689	package cf;
1690		2317
1691	=back	2318	=back
1692		2319
1693	=head3 cf::object	2320	=head3 cf::object
1694		2321
…		…
1698		2325
1699	=over 4	2326	=over 4
1700		2327
1701	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1702		2329
1703	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.
1704		2332
1705	=cut	2333	=cut
1706		2334
1707	sub inv_recursive_;	2335	sub inv_recursive_;
1708	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1711		2339
1712	sub inv_recursive {	2340	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1714	}	2342	}
1715		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
1716	package cf;	2372	package cf;
1717		2373
1718	=back	2374	=back
1719		2375
1720	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1729		2385
1730	=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	};
1731		2401
1732	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2403	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1737		2407
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2409
1740	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1745	}	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 (@_);
1746	}	2435	}
1747		2436
1748	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1749		2438
1750	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1763		2452
1764	=item $player_object->enter_link	2453	=item $player_object->enter_link
1765		2454
1766	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}>).
1767		2456
1768	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.
1769	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.
1770		2461
1771	Will never block.	2462	Will never block.
1772		2463
1773	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1774		2465
…		…
1797	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1798		2489
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2491
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1803		2494
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2496	}
1806		2497
1807	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1809		2502
1810	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1811		2504
1812	unless ($map) {	2505	unless ($map) {
1813	# restore original map position	2506	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1830		2523
1831	$map->load;	2524	$map->load;
1832	$map->load_diag;	2525	$map->load_neighbours;
1833		2526
1834	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2529	$self->activate_recursive;
1836		2530
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1839	}	2533	}
1840		2534
1841	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2536
1845	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1849	};	2541	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2542
1855	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2545
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1876		2549
1877	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1878	my ($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;
1879		2555
1880	$self->enter_link;	2556	$self->enter_link;
1881		2557
1882	(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
1883	my $map = eval {	2580	my $map = eval {
1884	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2596	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1891	})->prio (1);	2604	})->prio (1);
1892	}	2605	}
1893		2606
1894	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1895		2608
…		…
1915	}	2628	}
1916		2629
1917	sub prepare_random_map {	2630	sub prepare_random_map {
1918	my ($exit) = @_;	2631	my ($exit) = @_;
1919		2632
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2635	# that depends on the exit object
1925		2636
1926	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2639	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1933	}	2646	}
1934		2647
1935	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1936		2649
1937	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1940		2653
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2656	undef $fh;
1944	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1945		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1948	}	2665	}
1949	}	2666	}
1950		2667
1951	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
1953		2670
1954	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
1955		2672
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2673	$self->enter_link;
1966		2674
1967	(async {	2675	(async {
1968	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
1971		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
1972	1;	2699	1
1973	}) {	2700	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2705
1979	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2707	$self->leave_link;
1981	}	2708	}
1982	})->prio (1);	2709	})->prio (1);
…		…
1995		2722
1996	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1998		2725
1999	utf8::encode $text;	2726	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2728	}
2002		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	}
2003		2915
2004	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2005		2917
2006	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		2921
2010	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
2011	reliable at some point in the future.	2923	become reliable at some point in the future.
2012		2924
2013	=cut	2925	=cut
2014		2926
2015	sub cf::client::query {	2927	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2936	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2938
2027	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2029	}	2943	}
2030		2944
2031	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2032	on_reply => sub {	2951	on_reply => sub {
2033	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2034		2953
2035	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2036	# get handled first	2955	# get handled first
…		…
2048	} else {	2967	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2969	}
2051	}	2970	}
2052	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($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	},
2053	);	2998	);
2054		2999
2055	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2056		3001
2057	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2100		3045
2101	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2102		3047
2103	$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	));
2104		3053
2105	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2106		3055
2107	=pod	3056	=pod
2108		3057
2109	The following fucntions and emthods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2110		3059
2111	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
2112	cf::object::player player	3064	cf::object::player
2113	cf::player peaceful	3065	player
2114	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2115		3072
2116	=cut	3073	=cut
2117		3074
2118	for (	3075	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2123	) {	3082	) {
2124	no strict 'refs';	3083	no strict 'refs';
…		…
2195	=back	3154	=back
2196		3155
2197	=cut	3156	=cut
2198		3157
2199	#############################################################################	3158	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3159	# the server's init and main functions
2273		3160
2274	sub load_faces {	3161	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3162	my ($path) = @_;
2276		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
2277	warn "loading faces from $path\n";	3170	warn "loading facedata from $path\n";
2278		3171
2279	my $faces;	3172	my $facedata;
2280	0 < aio_load $path, $faces	3173	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3174	or die "$path: $!";
2282		3175
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3176	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		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 = $facedata->{faceinfo};
		3190
2287	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193
		3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	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
2292	}	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);
2293		3264
2294	1	3265	1
2295	}	3266	}
2296		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, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		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"
		3312	or die "unable to load regions file\n";
		3313
		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
2297	sub reload_resources {	3335	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3336	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3337
2300	load_faces	3338	reload_facedata;
2301	or die "unable to load faces\n";#d#	3339	reload_archetypes;
		3340	reload_regions;
		3341	reload_treasures;
		3342
		3343	warn "finished reloading resource files\n";
2302	}	3344	}
2303		3345
2304	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2305	reload_resources;	3351	reload_resources;
2306	}	3352	}
2307		3353
2308	sub cfg_load {	3354	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3356	or return;
2311		3357
2312	local $/;	3358	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2314		3360
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2316		3362
2317	$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};
2318	$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};
…		…
2324	};	3370	};
2325	warn $@ if $@;	3371	warn $@ if $@;
2326	}	3372	}
2327	}	3373	}
2328		3374
		3375	sub pidfile() {
		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 $$;
		3392	}
		3393
2329	sub main {	3394	sub main {
		3395	atomic;
		3396
2330	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2332	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#
2333	(async {	3400	(async {
2334	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2336	};	3404	};
2337		3405
2338	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2339	db_init;	3409	db_init;
2340	load_extensions;	3410	load_extensions;
2341		3411
2342	$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
2343	Event::loop;	3420	EV::loop;
2344	}	3421	}
2345		3422
2346	#############################################################################	3423	#############################################################################
2347	# initialisation and cleanup	3424	# initialisation and cleanup
2348		3425
2349	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2350	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2359	},
2360	);	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
2361	}	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 };
2362	}	3513	}
2363		3514
2364	sub emergency_save() {	3515	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2366		3517
…		…
2372	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2374	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3529	$pl->save;
2378	}	3530	}
2379	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2380		3532
2381	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2387	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2388		3540
2389	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2392	};	3548	};
2393		3549
2394	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2395	}	3551	}
2396		3552
2397	sub post_cleanup {	3553	sub post_cleanup {
2398	my ($make_core) = @_;	3554	my ($make_core) = @_;
2399		3555
2400	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3557	if $make_core;
2402	}
2403		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
2404	sub reload() {	3589	sub do_reload_perl() {
2405	# can/must only be called in main	3590	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2408	return;	3593	return;
2409	}	3594	}
2410		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2411	warn "reloading...";	3599	warn "reloading...";
2412		3600
2413	warn "entering sync_job";	3601	warn "entering sync_job";
2414		3602
2415	cf::sync_job {	3603	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2417	cf::emergency_save;	3605	cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2419		3607
2420	warn "syncing database to disk";	3608	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3610
2423	# 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
2424		3612
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2436	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();
2444
2445	warn "removing commands";
2446	%COMMAND = ();
2447
2448	warn "removing ext commands";
2449	%EXTCMD = ();
2450
2451	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";
2454
2455	if (my $cb = $pkg->can ("unload")) {
2456	eval {
2457	$cb->($pkg);
2458	1
2459	} or warn "$pkg unloaded, but with errors: $@";
2460	}	3616	}
2461		3617
2462	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2463	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2464	}	3620	%EXT_CORO = ();
2465		3621
2466	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2467	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2470	warn "... unloading $k";	3631	warn "... unloading $pkg";
2471	delete $INC{$k};
2472		3632
2473	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;
2475
2476	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2477	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2478	}	3642	}
2479		3643
2480	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;
2481	}	3659	}
2482		3660
2483	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2485	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);
2486		3664
2487	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2489		3668
2490	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3670	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2493		3672
2494	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2495		3674
2496	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2497	require cf;	3676	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3678
2500	warn "loading config and database again";	3679	warn "loading config and database again";
2501	cf::cfg_load;	3680	cf::reload_config;
2502		3681
2503	warn "loading extensions";	3682	warn "loading extensions";
2504	cf::load_extensions;	3683	cf::load_extensions;
2505		3684
2506	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2512		3691
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3692	warn "leaving sync_job";
2517		3693
2518	1	3694	1
2519	} or do {	3695	} or do {
2520	warn $@;	3696	warn $@;
2521	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3698	};
		3699
		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;
2523	};	3714	};
2524		3715	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3716
2530	register_command "reload" => sub {	3717	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2532		3719
2533	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2535		3722	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	3724	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3725	};
2548	}	3726	}
2549	};	3727	};
2550		3728
2551	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2552		3730
2553	my $bug_warning = 0;	3731	my $bug_warning = 0;
2554		3732
2555	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3735
2558	prio => 0,	3736	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	3738
2561	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 {
2562	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2563	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"
2564	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2565	return;	3756	return;
2566	}	3757	}
2567		3758
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		3760
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	3765	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2579	};
2580	}	3767	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	3768	}
2594	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3785	}
		3786	}
		3787	}
2595		3788
2596	{	3789	{
2597	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	3791
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2607		3793	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		3795
2623	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2624	$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);
2625		3803
2626	cf::sync_job {	3804	cf::sync_job {
2627	eval {	3805	eval {
2628	BDB::db_env_open	3806	BDB::db_env_open
2629	$DB_ENV,	3807	$DB_ENV,
2630	$BDB_ENV_DIR,	3808	$BDBDIR,
2631	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
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3811	0666;
2634		3812
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	3814	};
2640		3815
2641	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3817	};
2643	}	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	};
2644	}	3829	}
2645		3830
2646	{	3831	{
		3832	# configure IO::AIO
		3833
2647	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	3837	}
		3838
		3839	my $_log_backtrace;
		3840
		3841	sub _log_backtrace {
		3842	my ($msg, @addr) = @_;
		3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		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";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2660		3883
2661	END { cf::emergency_save }	3884	END { cf::emergency_save }
2662		3885
2663	1	3886	1
2664		3887

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