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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 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;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
85	binmode STDOUT;	135	binmode STDOUT;
86	binmode STDERR;	136	binmode STDERR;
87		137
88	# read virtual server time, if available	138	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
93	}	143	}
94		144
95	mkdir cf::localdir;	145	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		147
102	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
103		149
104	sub cf::map::normalise;	150	sub cf::map::normalise;
105		151
…		…
116	=item $cf::RUNTIME	162	=item $cf::RUNTIME
117		163
118	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
119	every server tick.	165	every server tick.
120		166
121	=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
122		170
123	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		175
126	=item $cf::NOW	176	=item $cf::NOW
127		177
128	The time of the last (current) server tick.	178	The time of the last (current) server tick.
129		179
130	=item $cf::TICK	180	=item $cf::TICK
131		181
132	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	194	=item %cf::CFG
135		195
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	197	from wherever your confdir points to.
138		198
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		200
141	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
142	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
143	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.
144	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.
145		210
146	=back	211	=back
147		212
148	=cut	213	=cut
149		214
150	BEGIN {	215	BEGIN {
151	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	217	my $msg = join "", @_;
153	utf8::encode $msg;
154		218
155	$msg .= "\n"	219	$msg .= "\n"
156	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
157		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
158	LOG llevError, $msg;	224	LOG llevError, $msg;
159	};	225	};
160	}	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#?
161		242
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		250
169	# 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
170	# within the Safe compartment.	252	# within the Safe compartment.
171	for my $pkg (qw(	253	for my $pkg (qw(
172	cf::global cf::attachable	254	cf::global cf::attachable
173	cf::object cf::object::player	255	cf::object cf::object::player
174	cf::client cf::player	256	cf::client cf::player
175	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
176	cf::map cf::party cf::region	259	cf::party cf::region
177	)) {	260	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	262	}
181		263
182	$Event::DIED = sub {	264	$EV::DIED = sub {
183	warn "error in event callback: @_";	265	warn "error in event callback: @_";
184	};	266	};
		267
		268	#############################################################################
185		269
186	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
187		271
188	=over 4	272	=over 4
189		273
…		…
208	$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;
209	$d	293	$d
210	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
211	}	295	}
212		296
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
216		298
217	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
218		300
219	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
220		302
221	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[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;
		324	}
222		325
223	=item cf::lock_wait $string	326	=item cf::lock_wait $string
224		327
225	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
226		329
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
232	returned.	335	returned.
233		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
234	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
235	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
236		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
237	=cut	347	=cut
238		348
239	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
240		351
241	sub lock_wait($) {	352	sub lock_wait($) {
242	my ($key) = @_;	353	my ($key) = @_;
243		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
244	# wait for lock, if any	360	# wait for lock, if any
245	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	364	Coro::schedule;
248	}	365	}
249	}	366	}
250		367
…		…
253		370
254	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
255	lock_wait $key;	372	lock_wait $key;
256		373
257	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
258		376
259	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
262	}	381	}
263	}	382	}
264		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
265	sub freeze_mainloop {	390	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
267		392
268	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
269	$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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
270	};	454	}
271	$TICK_WATCHER->stop;	455	};
272	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
273	}	469	}
274		470
275	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
276		472
277	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		478
283	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
284		480
285	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
286		482
287	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
290		487
291	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
294	fast or be very important.	491	fast or be very important.
…		…
297		494
298	sub sync_job(&) {	495	sub sync_job(&) {
299	my ($job) = @_;	496	my ($job) = @_;
300		497
301	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
302	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
304		503
305	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	505
307	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
308		507
309	my $busy = 1;	508	my $busy = 1;
310	my @res;	509	my @res;
311		510
312	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	513	@res = eval { $job->() };
314	warn $@ if $@;	514	warn $@ if $@;
315	undef $busy;	515	undef $busy;
316	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
317		517
318	while ($busy) {	518	while ($busy) {
319	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
320	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
321		529
322	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
323	} else {	531	} else {
324	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
325		533
…		…
345	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
346		554
347	$coro	555	$coro
348	}	556	}
349		557
350	sub write_runtime {	558	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		559
353	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.
354		564
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
356	or return;
357		566
358	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		569
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
363	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
364		573
365	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	575	reset_signals;
367	and return;	576	&$cb
		577	}, @args;
368		578
369	close $fh	579	wantarray ? @res : $res[-1]
370	or return;	580	}
371		581
372	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
373	and return;
374		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
375	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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 });
376	}	745	}
377		746
378	=back	747	=back
379		748
380	=cut	749	=cut
381		750
382	#############################################################################	751	#############################################################################
383		752
384	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
385		754
386	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
387	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")
388	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
389		758
390	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>
391	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
392	crossfire+).	761	Deliantra).
393		762
394	=over 4	763	=over 4
395		764
396	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
397		766
…		…
441	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
442		811
443	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
445		814
446	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		817
449	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
450		819
451	=over 4	820	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
561		930
562	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		935
567	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	937	my $pkg = shift @arg;
569		938
570	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
600	}	969	}
601		970
602	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
603	} else {	972	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	974	}
606		975
607	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
608	}	977	}
609		978
…		…
611	if (ref $_[0]) {	980	if (ref $_[0]) {
612	_object_attach @_;	981	_object_attach @_;
613	} else {	982	} else {
614	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
615	}	984	}
		985	_recalc_want;
616	};	986	};
617		987
618	# all those should be optimised	988	# all those should be optimised
619	sub cf::attachable::detach {	989	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
624	reattach ($obj);	994	reattach ($obj);
625	} else {	995	} else {
626	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
627	}	997	}
		998	_recalc_want;
628	};	999	};
629		1000
630	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
632		1003
…		…
647	";	1018	";
648	die if $@;	1019	die if $@;
649	}	1020	}
650		1021
651	our $override;	1022	our $override;
652	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?
653		1024
654	sub override {	1025	sub override {
655	$override = 1;	1026	$override = 1;
656	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
657	}	1028	}
658		1029
659	sub do_invoke {	1030	sub do_invoke {
660	my $event = shift;	1031	my $event = shift;
661	my $callbacks = shift;	1032	my $callbacks = shift;
662		1033
663	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
664		1035
665	local $override;	1036	local $override;
666		1037
667	for (@$callbacks) {	1038	for (@$callbacks) {
668	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
677	}	1048	}
678		1049
679	0	1050	0
680	}	1051	}
681		1052
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1054
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1056
686	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
687		1058
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1062
692	=back	1063	=back
693		1064
694	=cut	1065	=cut
695		1066
696	#############################################################################	1067	#############################################################################
697	# 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, $ob2
		1110	}
698		1111
699	sub reattach {	1112	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1114	my ($obj) = @_;
702		1115
		1116	# no longer needed after getting rid of delete_package?
703	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
704		1118
705	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
706		1120
707	@$registry = ();	1121	@$registry = ();
708		1122
…		…
723	cf::attachable->attach (	1137	cf::attachable->attach (
724	prio => -1000000,	1138	prio => -1000000,
725	on_instantiate => sub {	1139	on_instantiate => sub {
726	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
727		1141
728	$data = from_json $data;	1142	$data = decode_json $data;
729		1143
730	for (@$data) {	1144	for (@$data) {
731	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
732		1146
733	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1163	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
751		1165
752	sync_job {	1166	sync_job {
753	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
756		1171
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1176	aio_close $fh;
762		1177
763	if (@$objs) {	1178	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1184	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
771	}	1186	}
772	} else {	1187	} else {
773	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
774	}	1189	}
775		1190
776	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
777	} else {	1195	} else {
778	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
779	}	1197	}
780	} else {	1198	} else {
781	aio_unlink $filename;	1199	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
783	}	1201	}
784	}	1202	};
785	}	1203	}
786		1204
787	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
789		1207
…		…
801	or return;	1219	or return;
802		1220
803	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
805	or return;	1223	or return;
		1224
806	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
807	}	1227	}
808		1228
		1229	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
811	return ($data, $av);	1233	($data, $av)
812	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
813		1241
814	#############################################################################	1242	#############################################################################
815	# command handling &c	1243	# command handling &c
816		1244
817	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1259	}
832		1260
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1262
835	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.
836		1268
837	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
838	called.	1270	called.
839		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
840	=cut	1283	=cut
841		1284
842	sub register_extcmd {	1285	sub register_extcmd {
843	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
844		1287
845	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
846	}	1295	}
847		1296
848	cf::player->attach (	1297	cf::player->attach (
849	on_command => sub {	1298	on_command => sub {
850	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1308	cf::override;
860	},	1309	},
861	on_extcmd => sub {	1310	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
863		1312
864	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1314
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
872	} else {	1330	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1332	}
875		1333
876	cf::override;	1334	cf::override;
877	},	1335	},
878	);	1336	);
879		1337
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
915	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1343	next unless -r $path;
917	eval {	1344
918	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	$progress = 1;
919	1	1401	}
920	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
921	}	1407	};
922	}	1408	}
923		1409
924	#############################################################################	1410	#############################################################################
925		1411
		1412	=back
		1413
926	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
927		1415
928	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
929		1417
930	=cut	1418	=cut
931		1419
932	package cf::player;	1420	package cf::player;
933		1421
…		…
935		1423
936	=head3 cf::player	1424	=head3 cf::player
937		1425
938	=over 4	1426	=over 4
939		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
940	=item cf::player::find $login	1442	=item cf::player::find $login
941		1443
942	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
943		1445
944	=cut	1446	=cut
945		1447
946	sub playerdir($) {	1448	sub playerdir($) {
947	cf::localdir	1449	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1451	}
953		1452
954	sub path($) {	1453	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1455
957	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
958	}	1457	}
959		1458
960	sub find_active($) {	1459	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
965		1464
966	sub exists($) {	1465	sub exists($) {
967	my ($login) = @_;	1466	my ($login) = @_;
968		1467
969	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
971	}	1470	}
972		1471
973	sub find($) {	1472	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1474	my $login = $_[0];
976		1475
977	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
978		1477
979	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
983	}	1495	}
984	}	1496	}
985	}	1497	}
986		1498
…		…
995	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
996		1508
997	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
999		1511
		1512	cf::get_slot 0.01;
		1513
1000	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1001	Coro::cede;	1515	cf::cede_to_tick;
1002	}	1516	}
1003		1517
1004	sub new($) {	1518	sub new($) {
1005	my ($login) = @_;	1519	my ($login) = @_;
1006		1520
…		…
1012	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1013		1527
1014	$self	1528	$self
1015	}	1529	}
1016		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
1017	=item $pl->quit_character	1541	=item $pl->quit_character
1018		1542
1019	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1021		1545
…		…
1025	my ($pl) = @_;	1549	my ($pl) = @_;
1026		1550
1027	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1028		1552
1029	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1030	$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
1031		1555
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1036		1562
1037	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1069		1595
1070	=cut	1596	=cut
1071		1597
1072	sub list_logins {	1598	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1600	or return [];
1075		1601
1076	my @logins;	1602	my @logins;
1077		1603
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1082		1614
1083	utf8::decode $login;	1615	utf8::decode $login;
1084	push @logins, $login;	1616	push @logins, $login;
1085	}	1617	}
1086		1618
…		…
1113	}	1645	}
1114		1646
1115	\@paths	1647	\@paths
1116	}	1648	}
1117		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1119		1655
1120	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1121		1657
1122	=cut	1658	=cut
1123		1659
1124	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1126		1662
1127	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1664	}
1131		1665
1132	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	}
1133		1706
1134	=back	1707	=back
1135
1136		1708
1137	=head3 cf::map	1709	=head3 cf::map
1138		1710
1139	=over 4	1711	=over 4
1140		1712
…		…
1152	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1154		1726
1155	sub generate_random_map {	1727	sub generate_random_map {
1156	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
1157	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1733	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1196		1771
1197	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1198	local $self->{path};	1773	local $self->{path};
1199	local $self->{load_path};	1774	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1775
1203	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1204	}	1777	}
1205		1778
1206	sub normalise {	1779	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1254	return $self;	1827	return $self;
1255	}	1828	}
1256	}	1829	}
1257		1830
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1832	()
1260	}	1833	}
1261		1834
1262	sub init {	1835	sub init {
1263	my ($self) = @_;	1836	my ($self) = @_;
…		…
1278		1851
1279	# the original (read-only) location	1852	# the original (read-only) location
1280	sub load_path {	1853	sub load_path {
1281	my ($self) = @_;	1854	my ($self) = @_;
1282		1855
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1284	}	1857	}
1285		1858
1286	# the temporary/swap location	1859	# the temporary/swap location
1287	sub save_path {	1860	sub save_path {
1288	my ($self) = @_;	1861	my ($self) = @_;
1289		1862
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1292	}	1865	}
1293		1866
1294	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1295	sub uniq_path {	1868	sub uniq_path {
1296	my ($self) = @_;	1869	my ($self) = @_;
1297		1870
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1300	}	1873	}
1301		1874
1302	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1303	# all maps in C++...	1876	# all maps in C++...
1304	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1306		1879
1307	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1309	}	1882	}
1310		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1311	sub unlink_save {	1892	sub unlink_save {
1312	my ($self) = @_;	1893	my ($self) = @_;
1313		1894
1314	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1899
1319	sub load_header_from($) {	1900	sub load_header_from($) {
1320	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1321		1902
1322	utf8::encode $path;	1903	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1912
1329	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1330		1914
1331	1	1915	1
1332	}	1916	}
…		…
1371	$self->load_header_orig	1955	$self->load_header_orig
1372	or return;	1956	or return;
1373	$self->prepare_orig;	1957	$self->prepare_orig;
1374	}	1958	}
1375		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
1376	1	1966	1
1377	}	1967	}
1378		1968
1379	sub find;	1969	sub find;
1380	sub find {	1970	sub find {
1381	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1382		1972
1383	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1384		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1386		1977
1387	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1389	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1390	or return;	1983	or return;
1391		1984
1392	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1393		1986
1394	$map->load_header	1987	$map->load_header
1395	or return;	1988	or return;
1396		1989
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1400	$map->reset;	1995	$map->reset;
1401	undef $guard;
1402	return find $path;	1996	return find $path;
1403	}	1997	}
1404		1998
1405	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1406	}	2000	}
…		…
1413	my ($self) = @_;	2007	my ($self) = @_;
1414		2008
1415	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1416		2010
1417	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1419		2015
		2016	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2018
1422	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1423		2020
1424	$self->alloc;	2021	$self->alloc;
1425		2022
1426	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1427		2025
1428	$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)
1429	or return;	2029	or return;
1430		2030
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1432	if delete $self->{load_original};	2032	if delete $self->{load_original};
1433		2033
1434	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2035	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2038	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1439	}	2042	}
1440	}	2043	}
1441		2044
1442	Coro::cede;	2045	$f->resolve_delayed_derefs;
1443		2046
		2047	cf::cede_to_tick;
1444	# now do the right thing for maps	2048	# now do the right thing for maps
1445	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2051	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2068	}
1458		2069
1459	$self->post_load;	2070	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2071	}
1463		2072
1464	sub customise_for {	2073	sub customise_for {
1465	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1466		2075
1467	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2077	if $self->per_player;
1469		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1470	$self	2082	$self
1471	}	2083	}
1472		2084
1473	# 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
1474	sub load_diag {	2086	sub load_neighbours {
1475	my ($map) = @_;	2087	my ($map) = @_;
1476		2088
1477	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1478		2090
1479	for (0 .. 3) {	2091	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1481	or next;	2093	or next;
1482	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1483	or next;	2095	or next;
1484	$neigh->load;	2096	$neigh->load;
1485		2097
		2098	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2101	}
1489		2102
1490	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1492	or next;	2106	or next;
1493	$neigh->load;	2107	$neigh->load;
1494	}	2108	}
1495	}	2109	}
1496		2110
…		…
1501	}	2115	}
1502		2116
1503	sub do_load_sync {	2117	sub do_load_sync {
1504	my ($map) = @_;	2118	my ($map) = @_;
1505		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1506	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1507	}	2124	}
1508		2125
1509	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1511		2128
1512	sub find_async {	2129	sub find_async {
1513	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1514		2131
1515	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1516		2133
1517	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2136	}
1520		2137
1521	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1522	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1523	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2145	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2146	$map->load if $v;
		2147	}
1528		2148
1529	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1530	}	2150	}
1531	}	2151	}
1532	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1533	};	2153	};
1534	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2157	}
1538		2158
1539	sub save {	2159	sub save {
1540	my ($self) = @_;	2160	my ($self) = @_;
1541		2161
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2163
1544	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1545		2165
1546	return unless $self->dirty;	2166	return unless $self->dirty;
1547		2167
…		…
1553	return if $self->{deny_save};	2173	return if $self->{deny_save};
1554		2174
1555	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1556		2176
1557	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1559	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1560		2183
1561	if ($uniq) {	2184	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2187	} else {
…		…
1570	my ($self) = @_;	2193	my ($self) = @_;
1571		2194
1572	# save first because save cedes	2195	# save first because save cedes
1573	$self->save;	2196	$self->save;
1574		2197
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2199
1577	return if $self->players;	2200	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2202	return if $self->{deny_save};
1580		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2208	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2209	}
1584		2210
1585	sub reset_at {	2211	sub reset_at {
1586	my ($self) = @_;	2212	my ($self) = @_;
1587		2213
1588	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1591		2216
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2219
…		…
1605	my ($self) = @_;	2230	my ($self) = @_;
1606		2231
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2233
1609	return if $self->players;	2234	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2235
1612	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1613		2237
1614	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1615		2239
1616	# need to save uniques path	2240	# need to save uniques path
1617	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2245	if $uniq;
1622	}	2246	}
1623		2247
1624	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1625		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2252	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2253
1630	$self->unlink_save;	2254	$self->unlink_save;
1631	$self->destroy;	2255	$self->destroy;
1632	}	2256	}
1633		2257
1634	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1635		2259
1636	sub nuke {	2260	sub nuke {
1637	my ($self) = @_;	2261	my ($self) = @_;
1638		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1639	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1640		2267
1641	$self->unlink_save;	2268	$self->unlink_save;
1642		2269
1643	bless $self, "cf::map";	2270	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2275
1649	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1650		2278
1651	$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	]
1652	}	2316	}
1653		2317
1654	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1655		2319
1656	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2321	instantiated unique items. May block.
1658		2322
1659	=cut	2323	=cut
1660		2324
1661	sub unique_maps() {	2325	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1663	or return;	2327	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2328	utf8::decode $_;
1669	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2331	? ()
1672	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2334	]
1674
1675	\@paths
1676	}	2335	}
1677
1678	package cf;
1679		2336
1680	=back	2337	=back
1681		2338
1682	=head3 cf::object	2339	=head3 cf::object
1683		2340
…		…
1687		2344
1688	=over 4	2345	=over 4
1689		2346
1690	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1691		2348
1692	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.
1693		2351
1694	=cut	2352	=cut
1695		2353
1696	sub inv_recursive_;	2354	sub inv_recursive_;
1697	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1700		2358
1701	sub inv_recursive {	2359	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1703	}	2361	}
1704		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
1705	package cf;	2391	package cf;
1706		2392
1707	=back	2393	=back
1708		2394
1709	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1718		2404
1719	=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	};
1720		2420
1721	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2422	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1726		2426
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2428
1729	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1734	}	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 (@_);
1735	}	2454	}
1736		2455
1737	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1738		2457
1739	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1752		2471
1753	=item $player_object->enter_link	2472	=item $player_object->enter_link
1754		2473
1755	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}>).
1756		2475
1757	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.
1758	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.
1759		2480
1760	Will never block.	2481	Will never block.
1761		2482
1762	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1763		2484
…		…
1786	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1787		2508
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2510
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1792		2513
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2515	}
1795		2516
1796	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1798		2521
1799	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1800		2523
1801	unless ($map) {	2524	unless ($map) {
1802	# restore original map position	2525	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1819		2542
1820	$map->load;	2543	$map->load;
1821	$map->load_diag;	2544	$map->load_neighbours;
1822		2545
1823	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2548	$self->activate_recursive;
1825		2549
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1828	}	2552	}
1829		2553
1830	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2555
1834	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1838	};	2560	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2561
1844	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2564
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1865		2568
1866	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1867	my ($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;
1868		2574
1869	$self->enter_link;	2575	$self->enter_link;
1870		2576
1871	(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
1872	my $map = eval {	2599	my $map = eval {
1873	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2615	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1880	})->prio (1);	2623	})->prio (1);
1881	}	2624	}
1882		2625
1883	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1884		2627
…		…
1904	}	2647	}
1905		2648
1906	sub prepare_random_map {	2649	sub prepare_random_map {
1907	my ($exit) = @_;	2650	my ($exit) = @_;
1908		2651
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2654	# that depends on the exit object
1914		2655
1915	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2658	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1922	}	2665	}
1923		2666
1924	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1925		2668
1926	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1929		2672
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2675	undef $fh;
1933	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1934		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1937	}	2684	}
1938	}	2685	}
1939		2686
1940	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1942		2689
1943	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1944		2691
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2692	$self->enter_link;
1955		2693
1956	(async {	2694	(async {
1957	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1958	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
1959	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1960		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
1961	1;	2718	1
1962	}) {	2719	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2724
1968	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2726	$self->leave_link;
1970	}	2727	}
1971	})->prio (1);	2728	})->prio (1);
…		…
1987		2744
1988	utf8::encode $text;	2745	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2747	}
1991		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	}
1992		2934
1993	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1994		2936
1995	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2940
1999	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
2000	reliable at some point in the future.	2942	become reliable at some point in the future.
2001		2943
2002	=cut	2944	=cut
2003		2945
2004	sub cf::client::query {	2946	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2955	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2957
2016	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2018	}	2962	}
2019		2963
2020	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2021	on_reply => sub {	2970	on_reply => sub {
2022	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2023		2972
2024	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2025	# get handled first	2974	# get handled first
…		…
2037	} else {	2986	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2988	}
2040	}	2989	}
2041	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($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	},
2042	);	3017	);
2043		3018
2044	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2045		3020
2046	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2089		3064
2090	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2091		3066
2092	$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	));
2093		3072
2094	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2095		3074
2096	=pod	3075	=pod
2097		3076
2098	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2099		3078
2100	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
2101	cf::object::player player	3083	cf::object::player
2102	cf::player peaceful	3084	player
2103	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2104		3091
2105	=cut	3092	=cut
2106		3093
2107	for (	3094	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2112	) {	3101	) {
2113	no strict 'refs';	3102	no strict 'refs';
…		…
2184	=back	3173	=back
2185		3174
2186	=cut	3175	=cut
2187		3176
2188	#############################################################################	3177	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3178	# the server's init and main functions
2262		3179
2263	sub load_faces {	3180	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3181	my ($path) = @_;
2265		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
2266	warn "loading faces from $path\n";	3189	warn "loading facedata from $path\n";
2267		3190
2268	my $faces;	3191	my $facedata;
2269	0 < aio_load $path, $faces	3192	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3193	or die "$path: $!";
2271		3194
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3195	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3196
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3197	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		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 = $facedata->{faceinfo};
		3209
2280	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	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};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
2287	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2289	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2290	or next;	3225	or next;
		3226
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3230	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3232	}
2296	Coro::cede;	3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
2297	}	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);
2298		3283
2299	1	3284	1
2300	}	3285	}
2301		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
2302	sub reload_resources {	3354	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3356
2305	load_faces	3357	reload_facedata;
2306	or die "unable to load faces\n";#d#	3358	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3359	reload_regions;
2311	}	3360	reload_treasures;
2312		3361
2313	sub cfg_load {	3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3367	or return;
2316		3368
2317	local $/;	3369	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2319		3371
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3373
2322	$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};
2323	$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};
…		…
2329	};	3381	};
2330	warn $@ if $@;	3382	warn $@ if $@;
2331	}	3383	}
2332	}	3384	}
2333		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
2334	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
2335	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2337	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#
2338	(async {	3424	(async {
2339	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2341	};	3428	};
2342		3429
2343	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2344	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
2345	load_extensions;	3448	load_extensions;
2346		3449
2347	$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
2348	Event::loop;	3458	EV::loop;
2349	}	3459	}
2350		3460
2351	#############################################################################	3461	#############################################################################
2352	# initialisation and cleanup	3462	# initialisation and cleanup
2353		3463
2354	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2355	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2364	},
2365	);	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
2366	}	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 };
2367	}	3558	}
2368		3559
2369	sub emergency_save() {	3560	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2371		3562
…		…
2377	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3574	$pl->save;
2383	}	3575	}
2384	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2385		3577
2386	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2393		3585
2394	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2397	};	3593	};
2398		3594
2399	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2400	}	3596	}
2401		3597
2402	sub post_cleanup {	3598	sub post_cleanup {
2403	my ($make_core) = @_;	3599	my ($make_core) = @_;
2404		3600
2405	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3602	if $make_core;
2407	}
2408		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
2409	sub reload() {	3634	sub do_reload_perl() {
2410	# can/must only be called in main	3635	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2413	return;	3638	return;
2414	}	3639	}
2415		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2416	warn "reloading...";	3644	warn "reloading...";
2417		3645
2418	warn "entering sync_job";	3646	warn "entering sync_job";
2419		3647
2420	cf::sync_job {	3648	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3650	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2424		3652
2425	warn "syncing database to disk";	3653	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3655
2428	# 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
2429		3657
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3661	}
2466		3662
2467	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2469	}	3665	%EXT_CORO = ();
2470		3666
2471	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3676	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3677
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2482	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2483	}	3687	}
2484		3688
2485	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;
2486	}	3704	}
2487		3705
2488	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2490	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);
2491		3709
2492	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2494		3713
2495	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3715	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2498		3717
2499	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2500		3719
2501	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2502	require cf;	3721	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3723
2505	warn "loading config and database again";	3724	warn "loading config and database again";
2506	cf::cfg_load;	3725	cf::reload_config;
2507		3726
2508	warn "loading extensions";	3727	warn "loading extensions";
2509	cf::load_extensions;	3728	cf::load_extensions;
2510		3729
2511	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2517		3736
2518	warn "loading reloadable resources";	3737	warn "running post_load";
2519	reload_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3739
2521	warn "leaving sync_job";	3740	warn "leaving sync_job";
2522		3741
2523	1	3742	1
2524	} or do {	3743	} or do {
2525	warn $@;	3744	warn $@;
2526	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2527	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;
2528	};	3762	};
2529		3763	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3764
2535	register_command "reload" => sub {	3765	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2537		3767
2538	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2540		3770	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3772	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3773	};
2553	}	3774	}
2554	};	3775	};
2555		3776
2556	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2557		3778
2558	my $bug_warning = 0;	3779	my $bug_warning = 0;
2559		3780
2560	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3783
2563	prio => 0,	3784	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3786
2566	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 {
2567	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2568	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"
2569	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2570	return;	3804	return;
2571	}	3805	}
2572		3806
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3808
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3813	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3815	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3816	}
2599	);	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	}
2600		3836
2601	{	3837	{
2602	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3839
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2612		3841	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3843
2628	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2629	$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);
2630		3851
2631	cf::sync_job {	3852	cf::sync_job {
2632	eval {	3853	eval {
2633	BDB::db_env_open	3854	BDB::db_env_open
2634	$DB_ENV,	3855	$DB_ENV,
2635	$BDB_ENV_DIR,	3856	$BDBDIR,
2636	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
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3859	0666;
2639		3860
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3862	};
2645		3863
2646	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3865	};
2648	}	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	};
2649	}	3877	}
2650		3878
2651	{	3879	{
		3880	# configure IO::AIO
		3881
2652	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	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;
2665		3931
2666	END { cf::emergency_save }	3932	END { cf::emergency_save }
2667		3933
2668	1	3934	1
2669		3935

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