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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 1.456 by root, Tue Sep 30 04:00:35 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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
82	binmode STDOUT;	135	binmode STDOUT;
83	binmode STDERR;	136	binmode STDERR;
84		137
85	# read virtual server time, if available	138	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
90	}	143	}
91		144
92	mkdir cf::localdir;	145	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	146	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		147
99	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
100		149
101	sub cf::map::normalise;	150	sub cf::map::normalise;
102		151
…		…
113	=item $cf::RUNTIME	162	=item $cf::RUNTIME
114		163
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	165	every server tick.
117		166
118	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		170
120	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
122		175
123	=item $cf::NOW	176	=item $cf::NOW
124		177
125	The time of the last (current) server tick.	178	The time of the last (current) server tick.
126		179
127	=item $cf::TICK	180	=item $cf::TICK
128		181
129	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
130		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
131	=item %cf::CFG	194	=item %cf::CFG
132		195
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	197	from wherever your confdir points to.
135		198
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		200
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	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	202	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	203	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.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
142		210
143	=back	211	=back
144		212
145	=cut	213	=cut
146		214
147	BEGIN {	215	BEGIN {
148	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	217	my $msg = join "", @_;
150	utf8::encode $msg;
151		218
152	$msg .= "\n"	219	$msg .= "\n"
153	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
154		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
155	LOG llevError, $msg;	224	LOG llevError, $msg;
156	};	225	};
157	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
158		242
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		250
166	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	252	# within the Safe compartment.
168	for my $pkg (qw(	253	for my $pkg (qw(
169	cf::global cf::attachable	254	cf::global cf::attachable
170	cf::object cf::object::player	255	cf::object cf::object::player
171	cf::client cf::player	256	cf::client cf::player
172	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
173	cf::map cf::party cf::region	259	cf::party cf::region
174	)) {	260	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	262	}
178		263
179	$Event::DIED = sub {	264	$EV::DIED = sub {
180	warn "error in event callback: @_";	265	warn "error in event callback: @_";
181	};	266	};
		267
		268	#############################################################################
182		269
183	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
184		271
185	=over 4	272	=over 4
186		273
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	293	$d
207	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
208	}	295	}
209		296
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
213		298
214	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
215		300
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
224		302
225	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
226		304
227	=cut	305	=cut
228		306
229	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
231	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
232	}	324	}
233		325
234	=item cf::lock_wait $string	326	=item cf::lock_wait $string
235		327
236	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
240	Wait until the given lock is available and then acquires it and returns	332	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,	333	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	334	for example when the coroutine gets canceled), the lock is automatically
243	returned.	335	returned.
244		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
245	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
247		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
248	=cut	347	=cut
249		348
250	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
251		351
252	sub lock_wait($) {	352	sub lock_wait($) {
253	my ($key) = @_;	353	my ($key) = @_;
254		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
255	# wait for lock, if any	360	# wait for lock, if any
256	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
257	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	364	Coro::schedule;
259	}	365	}
260	}	366	}
261		367
…		…
264		370
265	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
266	lock_wait $key;	372	lock_wait $key;
267		373
268	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
269		376
270	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
273	}	381	}
274	}	382	}
275		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
276	sub freeze_mainloop {	390	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
278		392
279	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
280	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
281	};	454	}
282	$TICK_WATCHER->stop;	455	};
283	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
284	}	469	}
285		470
286	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
287		472
288	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		478
294	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
295		480
296	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
297		482
298	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
301		487
302	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
305	fast or be very important.	491	fast or be very important.
…		…
308		494
309	sub sync_job(&) {	495	sub sync_job(&) {
310	my ($job) = @_;	496	my ($job) = @_;
311		497
312	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
313	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
315		503
316	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	505
318	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
319		507
320	my $busy = 1;	508	my $busy = 1;
321	my @res;	509	my @res;
322		510
323	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	513	@res = eval { $job->() };
325	warn $@ if $@;	514	warn $@ if $@;
326	undef $busy;	515	undef $busy;
327	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
328		517
329	while ($busy) {	518	while ($busy) {
330	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
331	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
332		529
333	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
334	} else {	531	} else {
335	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
336		533
…		…
356	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
357		554
358	$coro	555	$coro
359	}	556	}
360		557
361	sub write_runtime {	558	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		559
364	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
365		564
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
367	or return;
368		566
369	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		569
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
374	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
375		573
376	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	575	reset_signals;
378	and return;	576	&$cb
		577	}, @args;
379		578
380	close $fh	579	wantarray ? @res : $res[-1]
381	or return;	580	}
382		581
383	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
384	and return;
385		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
386	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	745	}
388		746
389	=back	747	=back
390		748
391	=cut	749	=cut
392		750
393	#############################################################################	751	#############################################################################
394		752
395	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
396		754
397	Many objects in crossfire are so-called attachable objects. That means you can	755	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")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
400		758
401	In the following description, CLASS can be any of C<global>, C<object>	759	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	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	761	Deliantra).
404		762
405	=over 4	763	=over 4
406		764
407	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
408		766
…		…
452	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
453		811
454	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
456		814
457	Some classes such as crossfire maps and objects can specify attachments	815	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.	816	that are attached at load/instantiate time, thus the need for a name.
459		817
460	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
461		819
462	=over 4	820	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
572		930
573	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		935
578	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	937	my $pkg = shift @arg;
580		938
581	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
611	}	969	}
612		970
613	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
614	} else {	972	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	974	}
617		975
618	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
619	}	977	}
620		978
…		…
622	if (ref $_[0]) {	980	if (ref $_[0]) {
623	_object_attach @_;	981	_object_attach @_;
624	} else {	982	} else {
625	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
626	}	984	}
		985	_recalc_want;
627	};	986	};
628		987
629	# all those should be optimised	988	# all those should be optimised
630	sub cf::attachable::detach {	989	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
635	reattach ($obj);	994	reattach ($obj);
636	} else {	995	} else {
637	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
638	}	997	}
		998	_recalc_want;
639	};	999	};
640		1000
641	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
643		1003
…		…
658	";	1018	";
659	die if $@;	1019	die if $@;
660	}	1020	}
661		1021
662	our $override;	1022	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1024
665	sub override {	1025	sub override {
666	$override = 1;	1026	$override = 1;
667	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
668	}	1028	}
669		1029
670	sub do_invoke {	1030	sub do_invoke {
671	my $event = shift;	1031	my $event = shift;
672	my $callbacks = shift;	1032	my $callbacks = shift;
673		1033
674	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
675		1035
676	local $override;	1036	local $override;
677		1037
678	for (@$callbacks) {	1038	for (@$callbacks) {
679	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
688	}	1048	}
689		1049
690	0	1050	0
691	}	1051	}
692		1052
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1054
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1056
697	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
698		1058
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	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	1060	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1062
703	=back	1063	=back
704		1064
705	=cut	1065	=cut
706		1066
707	#############################################################################	1067	#############################################################################
708	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
709		1111
710	sub reattach {	1112	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1114	my ($obj) = @_;
713		1115
		1116	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1118
716	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
717		1120
718	@$registry = ();	1121	@$registry = ();
719		1122
…		…
734	cf::attachable->attach (	1137	cf::attachable->attach (
735	prio => -1000000,	1138	prio => -1000000,
736	on_instantiate => sub {	1139	on_instantiate => sub {
737	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
738		1141
739	$data = from_json $data;	1142	$data = decode_json $data;
740		1143
741	for (@$data) {	1144	for (@$data) {
742	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
743		1146
744	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1163	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
762		1165
763	sync_job {	1166	sync_job {
764	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
767		1171
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1176	aio_close $fh;
773		1177
774	if (@$objs) {	1178	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1184	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
782	}	1186	}
783	} else {	1187	} else {
784	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
785	}	1189	}
786		1190
787	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
788	} else {	1195	} else {
789	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
790	}	1197	}
791	} else {	1198	} else {
792	aio_unlink $filename;	1199	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
794	}	1201	}
795	}	1202	};
796	}	1203	}
797		1204
798	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
800		1207
…		…
812	or return;	1219	or return;
813		1220
814	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
816	or return;	1223	or return;
		1224
817	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
818	}	1227	}
819		1228
		1229	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
822	return ($data, $av);	1233	($data, $av)
823	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
824		1241
825	#############################################################################	1242	#############################################################################
826	# command handling &c	1243	# command handling &c
827		1244
828	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1259	}
843		1260
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1262
846	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
847		1268
848	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
849	called.	1270	called.
850		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
851	=cut	1283	=cut
852		1284
853	sub register_extcmd {	1285	sub register_extcmd {
854	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
855		1287
856	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
857	}	1295	}
858		1296
859	cf::player->attach (	1297	cf::player->attach (
860	on_command => sub {	1298	on_command => sub {
861	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1308	cf::override;
871	},	1309	},
872	on_extcmd => sub {	1310	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
874		1312
875	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1314
877	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
883	} else {	1330	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1332	}
886		1333
887	cf::override;	1334	cf::override;
888	},	1335	},
889	);	1336	);
890		1337
891	sub load_extension {
892	my ($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 {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
926	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1343	next unless -r $path;
928	eval {	1344
929	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
930	1	1401	}
931	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
932	}	1407	};
933	}	1408	}
934		1409
935	#############################################################################	1410	#############################################################################
936		1411
		1412	=back
		1413
937	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
938		1415
939	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
940		1417
941	=cut	1418	=cut
942		1419
943	package cf::player;	1420	package cf::player;
944		1421
…		…
946		1423
947	=head3 cf::player	1424	=head3 cf::player
948		1425
949	=over 4	1426	=over 4
950		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
951	=item cf::player::find $login	1442	=item cf::player::find $login
952		1443
953	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
954		1445
955	=cut	1446	=cut
956		1447
957	sub playerdir($) {	1448	sub playerdir($) {
958	cf::localdir	1449	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1451	}
964		1452
965	sub path($) {	1453	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1455
968	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
969	}	1457	}
970		1458
971	sub find_active($) {	1459	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
976		1464
977	sub exists($) {	1465	sub exists($) {
978	my ($login) = @_;	1466	my ($login) = @_;
979		1467
980	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
982	}	1470	}
983		1471
984	sub find($) {	1472	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1474	my $login = $_[0];
987		1475
988	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
989		1477
990	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
992	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
994	}	1495	}
995	}	1496	}
996	}	1497	}
997		1498
…		…
1006	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1007		1508
1008	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1010		1511
		1512	cf::get_slot 0.01;
		1513
1011	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1012	Coro::cede;	1515	cf::cede_to_tick;
1013	}	1516	}
1014		1517
1015	sub new($) {	1518	sub new($) {
1016	my ($login) = @_;	1519	my ($login) = @_;
1017		1520
…		…
1023	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1024		1527
1025	$self	1528	$self
1026	}	1529	}
1027		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1028	=item $pl->quit_character	1541	=item $pl->quit_character
1029		1542
1030	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1032		1545
…		…
1036	my ($pl) = @_;	1549	my ($pl) = @_;
1037		1550
1038	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1039		1552
1040	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1555
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1047		1562
1048	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1080		1595
1081	=cut	1596	=cut
1082		1597
1083	sub list_logins {	1598	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1600	or return [];
1086		1601
1087	my @logins;	1602	my @logins;
1088		1603
1089	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1093		1614
1094	utf8::decode $login;	1615	utf8::decode $login;
1095	push @logins, $login;	1616	push @logins, $login;
1096	}	1617	}
1097		1618
…		…
1124	}	1645	}
1125		1646
1126	\@paths	1647	\@paths
1127	}	1648	}
1128		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1130		1655
1131	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1132		1657
1133	=cut	1658	=cut
1134		1659
1135	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1137		1662
1138	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1664	}
1142		1665
1143	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1144		1706
1145	=back	1707	=back
1146
1147		1708
1148	=head3 cf::map	1709	=head3 cf::map
1149		1710
1150	=over 4	1711	=over 4
1151		1712
…		…
1163	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1165		1726
1166	sub generate_random_map {	1727	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1168	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1733	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1207		1771
1208	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1209	local $self->{path};	1773	local $self->{path};
1210	local $self->{load_path};	1774	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1775
1214	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1215	}	1777	}
1216		1778
1217	sub normalise {	1779	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1265	return $self;	1827	return $self;
1266	}	1828	}
1267	}	1829	}
1268		1830
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1832	()
1271	}	1833	}
1272		1834
1273	sub init {	1835	sub init {
1274	my ($self) = @_;	1836	my ($self) = @_;
…		…
1289		1851
1290	# the original (read-only) location	1852	# the original (read-only) location
1291	sub load_path {	1853	sub load_path {
1292	my ($self) = @_;	1854	my ($self) = @_;
1293		1855
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1295	}	1857	}
1296		1858
1297	# the temporary/swap location	1859	# the temporary/swap location
1298	sub save_path {	1860	sub save_path {
1299	my ($self) = @_;	1861	my ($self) = @_;
1300		1862
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1303	}	1865	}
1304		1866
1305	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1306	sub uniq_path {	1868	sub uniq_path {
1307	my ($self) = @_;	1869	my ($self) = @_;
1308		1870
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1311	}	1873	}
1312		1874
1313	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1314	# all maps in C++...	1876	# all maps in C++...
1315	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1317		1879
1318	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1320	}	1882	}
1321		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1322	sub unlink_save {	1892	sub unlink_save {
1323	my ($self) = @_;	1893	my ($self) = @_;
1324		1894
1325	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1899
1330	sub load_header_from($) {	1900	sub load_header_from($) {
1331	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1332		1902
1333	utf8::encode $path;	1903	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1339		1912
1340	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1341		1914
1342	1	1915	1
1343	}	1916	}
…		…
1382	$self->load_header_orig	1955	$self->load_header_orig
1383	or return;	1956	or return;
1384	$self->prepare_orig;	1957	$self->prepare_orig;
1385	}	1958	}
1386		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1387	1	1966	1
1388	}	1967	}
1389		1968
1390	sub find;	1969	sub find;
1391	sub find {	1970	sub find {
1392	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1393		1972
1394	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1395		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1397		1977
1398	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1400	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1401	or return;	1983	or return;
1402		1984
1403	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1404		1986
1405	$map->load_header	1987	$map->load_header
1406	or return;	1988	or return;
1407		1989
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1411	$map->reset;	1995	$map->reset;
1412	undef $guard;
1413	return find $path;	1996	return find $path;
1414	}	1997	}
1415		1998
1416	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1417	}	2000	}
…		…
1424	my ($self) = @_;	2007	my ($self) = @_;
1425		2008
1426	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1427		2010
1428	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1430		2015
		2016	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2018
1433	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1434		2020
1435	$self->alloc;	2021	$self->alloc;
1436		2022
1437	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1438		2025
1439	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1440	or return;	2029	or return;
1441		2030
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1443	if delete $self->{load_original};	2032	if delete $self->{load_original};
1444		2033
1445	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2035	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2038	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1450	}	2042	}
1451	}	2043	}
1452		2044
1453	Coro::cede;	2045	$f->resolve_delayed_derefs;
1454		2046
		2047	cf::cede_to_tick;
1455	# now do the right thing for maps	2048	# now do the right thing for maps
1456	$self->link_multipart_objects;	2049	$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)	2050	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2051	unless $self->difficulty;
1466	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1467	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2068	}
1469		2069
1470	$self->post_load;	2070	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2071	}
1474		2072
1475	sub customise_for {	2073	sub customise_for {
1476	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1477		2075
1478	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2077	if $self->per_player;
1480		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1481	$self	2082	$self
1482	}	2083	}
1483		2084
1484	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2086	sub load_neighbours {
1486	my ($map) = @_;	2087	my ($map) = @_;
1487		2088
1488	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1489		2090
1490	for (0 .. 3) {	2091	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1492	or next;	2093	or next;
1493	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1494	or next;	2095	or next;
1495	$neigh->load;	2096	$neigh->load;
1496		2097
		2098	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2101	}
1500		2102
1501	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1503	or next;	2106	or next;
1504	$neigh->load;	2107	$neigh->load;
1505	}	2108	}
1506	}	2109	}
1507		2110
…		…
1512	}	2115	}
1513		2116
1514	sub do_load_sync {	2117	sub do_load_sync {
1515	my ($map) = @_;	2118	my ($map) = @_;
1516		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1517	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1518	}	2124	}
1519		2125
1520	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1522		2128
1523	sub find_async {	2129	sub find_async {
1524	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1525		2131
1526	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1527		2133
1528	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2136	}
1531		2137
1532	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1533	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1534	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2145	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2146	$map->load if $v;
		2147	}
1539		2148
1540	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1541	}	2150	}
1542	}	2151	}
1543	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1544	};	2153	};
1545	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2157	}
1549		2158
1550	sub save {	2159	sub save {
1551	my ($self) = @_;	2160	my ($self) = @_;
1552		2161
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2163
1555	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1556		2165
1557	return unless $self->dirty;	2166	return unless $self->dirty;
1558		2167
…		…
1564	return if $self->{deny_save};	2173	return if $self->{deny_save};
1565		2174
1566	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1567		2176
1568	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1570	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1571		2183
1572	if ($uniq) {	2184	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2187	} else {
…		…
1581	my ($self) = @_;	2193	my ($self) = @_;
1582		2194
1583	# save first because save cedes	2195	# save first because save cedes
1584	$self->save;	2196	$self->save;
1585		2197
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2199
1588	return if $self->players;	2200	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2202	return if $self->{deny_save};
1591		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2208	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2209	}
1595		2210
1596	sub reset_at {	2211	sub reset_at {
1597	my ($self) = @_;	2212	my ($self) = @_;
1598		2213
1599	# TODO: safety, remove and allow resettable per-player maps	2214	# 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};	2215	return 1e99 if $self->{deny_reset};
1602		2216
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2219
…		…
1616	my ($self) = @_;	2230	my ($self) = @_;
1617		2231
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2233
1620	return if $self->players;	2234	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2235
1623	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1624		2237
1625	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1626		2239
1627	# need to save uniques path	2240	# need to save uniques path
1628	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2245	if $uniq;
1633	}	2246	}
1634		2247
1635	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1636		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2252	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2253
1641	$self->unlink_save;	2254	$self->unlink_save;
1642	$self->destroy;	2255	$self->destroy;
1643	}	2256	}
1644		2257
1645	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1646		2259
1647	sub nuke {	2260	sub nuke {
1648	my ($self) = @_;	2261	my ($self) = @_;
1649		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1650	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1651		2267
1652	$self->unlink_save;	2268	$self->unlink_save;
1653		2269
1654	bless $self, "cf::map";	2270	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2275
1660	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1661		2278
1662	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1663	}	2316	}
1664		2317
1665	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1666		2319
1667	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2321	instantiated unique items. May block.
1669		2322
1670	=cut	2323	=cut
1671		2324
1672	sub unique_maps() {	2325	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1674	or return;	2327	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2328	utf8::decode $_;
1680	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2331	? ()
1683	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2334	]
1685
1686	\@paths
1687	}	2335	}
1688
1689	package cf;
1690		2336
1691	=back	2337	=back
1692		2338
1693	=head3 cf::object	2339	=head3 cf::object
1694		2340
…		…
1698		2344
1699	=over 4	2345	=over 4
1700		2346
1701	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1702		2348
1703	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1704		2351
1705	=cut	2352	=cut
1706		2353
1707	sub inv_recursive_;	2354	sub inv_recursive_;
1708	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1711		2358
1712	sub inv_recursive {	2359	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1714	}	2361	}
1715		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1716	package cf;	2391	package cf;
1717		2392
1718	=back	2393	=back
1719		2394
1720	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	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	2402	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1729		2404
1730	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1731		2420
1732	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2422	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1737		2426
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2428
1740	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1742	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1745	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1746	}	2454	}
1747		2455
1748	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1749		2457
1750	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1763		2471
1764	=item $player_object->enter_link	2472	=item $player_object->enter_link
1765		2473
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2475
1768	The player should be reasonably safe there for short amounts of time. You	2476	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.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1770		2480
1771	Will never block.	2481	Will never block.
1772		2482
1773	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1774		2484
…		…
1797	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1798		2508
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2510
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1803		2513
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2515	}
1806		2516
1807	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1809		2521
1810	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1811		2523
1812	unless ($map) {	2524	unless ($map) {
1813	# restore original map position	2525	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1830		2542
1831	$map->load;	2543	$map->load;
1832	$map->load_diag;	2544	$map->load_neighbours;
1833		2545
1834	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2548	$self->activate_recursive;
1836		2549
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1839	}	2552	}
1840		2553
1841	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2555
1845	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1849	};	2560	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2561
1855	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1857	if ($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		2564
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1876		2568
1877	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2574
1880	$self->enter_link;	2575	$self->enter_link;
1881		2576
1882	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1883	my $map = eval {	2599	my $map = eval {
1884	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1886	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2615	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1891	})->prio (1);	2623	})->prio (1);
1892	}	2624	}
1893		2625
1894	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1895		2627
…		…
1915	}	2647	}
1916		2648
1917	sub prepare_random_map {	2649	sub prepare_random_map {
1918	my ($exit) = @_;	2650	my ($exit) = @_;
1919		2651
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2654	# that depends on the exit object
1925		2655
1926	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2658	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1933	}	2665	}
1934		2666
1935	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1936		2668
1937	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1940		2672
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2675	undef $fh;
1944	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1945		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1948	}	2684	}
1949	}	2685	}
1950		2686
1951	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1953		2689
1954	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1955		2691
1956	if ($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;	2692	$self->enter_link;
1966		2693
1967	(async {	2694	(async {
1968	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1969	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1970	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1971		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1972	1;	2718	1
1973	}) {	2719	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2724
1979	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2726	$self->leave_link;
1981	}	2727	}
1982	})->prio (1);	2728	})->prio (1);
…		…
1995		2741
1996	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1998		2744
1999	utf8::encode $text;	2745	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2747	}
2002		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
2003		2934
2004	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2005		2936
2006	Queues a query to the client, calling the given callback with	2937	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>,	2938	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>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2940
2010	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2942	become reliable at some point in the future.
2012		2943
2013	=cut	2944	=cut
2014		2945
2015	sub cf::client::query {	2946	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2955	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2957
2027	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2029	}	2962	}
2030		2963
2031	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2032	on_reply => sub {	2970	on_reply => sub {
2033	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2034		2972
2035	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2036	# get handled first	2974	# get handled first
…		…
2048	} else {	2986	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2988	}
2051	}	2989	}
2052	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2053	);	3017	);
2054		3018
2055	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2056		3020
2057	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2100		3064
2101	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2102		3066
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2104		3072
2105	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2106		3074
2107	=pod	3075	=pod
2108		3076
2109	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2110		3078
2111	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2112	cf::object::player player	3083	cf::object::player
2113	cf::player peaceful	3084	player
2114	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2115		3091
2116	=cut	3092	=cut
2117		3093
2118	for (	3094	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2120	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2123	) {	3101	) {
2124	no strict 'refs';	3102	no strict 'refs';
…		…
2195	=back	3173	=back
2196		3174
2197	=cut	3175	=cut
2198		3176
2199	#############################################################################	3177	#############################################################################
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 $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3178	# the server's init and main functions
2273		3179
2274	sub load_faces {	3180	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3181	my ($path) = @_;
2276		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2277	warn "loading faces from $path\n";	3189	warn "loading facedata from $path\n";
2278		3190
2279	my $faces;	3191	my $facedata;
2280	0 < aio_load $path, $faces	3192	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3193	or die "$path: $!";
2282		3194
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3195	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3196
		3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
2287	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	while (my ($face, $info) = each %$faces) {
		3222	next unless $info->{smooth};
		3223
		3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
2292	}	3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3283
2294	1	3284	1
2295	}	3285	}
2296		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
2297	sub reload_resources {	3354	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3356
2300	load_faces	3357	reload_facedata;
2301	or die "unable to load faces\n";#d#	3358	reload_archetypes;
2302	}
2303
2304	sub init {
2305	reload_resources;	3359	reload_regions;
2306	}	3360	reload_treasures;
2307		3361
2308	sub cfg_load {	3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3367	or return;
2311		3368
2312	local $/;	3369	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2314		3371
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2316		3373
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$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};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2324	};	3381	};
2325	warn $@ if $@;	3382	warn $@ if $@;
2326	}	3383	}
2327	}	3384	}
2328		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2329	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2330	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3424	(async {
2334	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2336	};	3428	};
2337		3429
2338	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2339	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2340	load_extensions;	3448	load_extensions;
2341		3449
2342	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2343	Event::loop;	3458	EV::loop;
2344	}	3459	}
2345		3460
2346	#############################################################################	3461	#############################################################################
2347	# initialisation and cleanup	3462	# initialisation and cleanup
2348		3463
2349	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2350	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3468	$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";	3469	cf::cleanup "SIG$signal";
2359	},
2360	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		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	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2361	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2362	}	3558	}
2363		3559
2364	sub emergency_save() {	3560	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2366		3562
…		…
2372	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2374	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3574	$pl->save;
2378	}	3575	}
2379	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2380		3577
2381	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2387	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2388		3585
2389	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2392	};	3593	};
2393		3594
2394	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2395	}	3596	}
2396		3597
2397	sub post_cleanup {	3598	sub post_cleanup {
2398	my ($make_core) = @_;	3599	my ($make_core) = @_;
2399		3600
2400	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3602	if $make_core;
2402	}
2403		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2404	sub reload() {	3634	sub do_reload_perl() {
2405	# can/must only be called in main	3635	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2408	return;	3638	return;
2409	}	3639	}
2410		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2411	warn "reloading...";	3644	warn "reloading...";
2412		3645
2413	warn "entering sync_job";	3646	warn "entering sync_job";
2414		3647
2415	cf::sync_job {	3648	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2417	cf::emergency_save;	3650	cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2419		3652
2420	warn "syncing database to disk";	3653	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3655
2423	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2424		3657
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";	3658	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;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2436	warn "iterate...";	3660	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	}	3661	}
2461		3662
2462	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2463	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2464	}	3665	%EXT_CORO = ();
2465		3666
2466	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2467	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2470	warn "... unloading $k";	3676	warn "... unloading $pkg";
2471	delete $INC{$k};
2472		3677
2473	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;
2475
2476	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2477	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2478	}	3687	}
2479		3688
2480	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2481	}	3704	}
2482		3705
2483	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3709
2487	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2489		3713
2490	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3715	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2493		3717
2494	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2495		3719
2496	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2497	require cf;	3721	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3723
2500	warn "loading config and database again";	3724	warn "loading config and database again";
2501	cf::cfg_load;	3725	cf::reload_config;
2502		3726
2503	warn "loading extensions";	3727	warn "loading extensions";
2504	cf::load_extensions;	3728	cf::load_extensions;
2505		3729
2506	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2512		3736
2513	warn "loading reloadable resources";	3737	warn "running post_load";
2514	reload_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2515		3739
2516	warn "leaving sync_job";	3740	warn "leaving sync_job";
2517		3741
2518	1	3742	1
2519	} or do {	3743	} or do {
2520	warn $@;	3744	warn $@;
2521	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2523	};	3762	};
2524		3763	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3764
2530	register_command "reload" => sub {	3765	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2532		3767
2533	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2535		3770	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3771	$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;	3772	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3773	};
2548	}	3774	}
2549	};	3775	};
2550		3776
2551	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2552		3778
2553	my $bug_warning = 0;	3779	my $bug_warning = 0;
2554		3780
2555	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3783
2558	prio => 0,	3784	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	3786
2561	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2562	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2565	return;	3804	return;
2566	}	3805	}
2567		3806
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		3808
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	3813	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2579	};
2580	}	3815	};
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	},	3816	}
2594	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2595		3836
2596	{	3837	{
2597	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2607		3841	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	3842	$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		3843
2623	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		3851
2626	cf::sync_job {	3852	cf::sync_job {
2627	eval {	3853	eval {
2628	BDB::db_env_open	3854	BDB::db_env_open
2629	$DB_ENV,	3855	$DB_ENV,
2630	$BDB_ENV_DIR,	3856	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3859	0666;
2634		3860
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	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	};	3862	};
2640		3863
2641	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3865	};
2643	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2644	}	3877	}
2645		3878
2646	{	3879	{
		3880	# configure IO::AIO
		3881
2647	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2660		3931
2661	END { cf::emergency_save }	3932	END { cf::emergency_save }
2662		3933
2663	1	3934	1
2664		3935

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