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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.524 by root, Sun Apr 18 07:08:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	289	for my $pkg (qw(
198	cf::global cf::attachable	290	cf::global cf::attachable
199	cf::object cf::object::player	291	cf::object cf::object::player
200	cf::client cf::player	292	cf::client cf::player
201	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
202	cf::map cf::party cf::region	295	cf::party cf::region
203	)) {	296	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	298	}
207		299
208	$Event::DIED = sub {	300	$EV::DIED = sub {
209	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
210	};	302	};
		303
		304	#############################################################################
211		305
212	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
213		307
214	=over 4	308	=over 4
215		309
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	329	$d
236	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
237	}	331	}
238		332
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
242		334
243	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
244		336
245	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
246		338
247	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
248		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
249	=item cf::lock_wait $string	362	=item cf::lock_wait $string
250		363
251	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
252		365
253	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
254		367
255	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
258	returned.	371	returned.
259		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
260	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
262		378
263	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
264		380
265	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
266		382
267	=cut	383	=cut
268		384
269	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
270		386
271	sub lock_wait($) {	387	sub lock_wait($) {
272	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	389	}
280		390
281	sub lock_acquire($) {	391	sub lock_acquire($) {
282	my ($key) = @_;	392	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	393	}
294		394
295	sub lock_active($) {	395	sub lock_active($) {
296	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	397	}
300		398
301	sub freeze_mainloop {	399	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
303		401
304	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
306	};	469	}
307	$TICK_WATCHER->stop;	470	};
308	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
309	}	485	}
310		486
311	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
312		488
313	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		494
319	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
320		496
321	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
322		498
323	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
326		503
327	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
330	fast or be very important.	507	fast or be very important.
…		…
333		510
334	sub sync_job(&) {	511	sub sync_job(&) {
335	my ($job) = @_;	512	my ($job) = @_;
336		513
337	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	515	my $time = AE::time;
339		516
340	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
342		519
343	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	521
345	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
346		523
347	my $busy = 1;	524	my $busy = 1;
348	my @res;	525	my @res;
349		526
350	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	529	@res = eval { $job->() };
352	warn $@ if $@;	530	warn $@ if $@;
353	undef $busy;	531	undef $busy;
354	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
355		533
356	while ($busy) {	534	while ($busy) {
357	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
358	}	539	}
		540	}
359		541
360	$time = Event::time - $time;	542	my $time = AE::time - $time;
361		543
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
366		545
367	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
368	} else {	547	} else {
369	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
370		549
…		…
390	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
391		570
392	$coro	571	$coro
393	}	572	}
394		573
395	sub write_runtime {	574	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		575
398	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
400		580
401	IO::AIO::aio_utime $runtime, undef, undef;	581	=cut
402		582
403	my $guard = cf::lock_acquire "write_runtime";	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
404		585
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	586	# we seemingly have to make a local copy of the whole thing,
406	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
407		589
408	my $value = $cf::RUNTIME + 90 + 10;	590	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	591	reset_signals;
410	# 60 allows for the watchdog to kill the server.	592	&$cb
		593	}, @args;
411		594
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	wantarray ? @res : $res[-1]
413	and return;	596	}
414		597
415	# always fsync - this file is important	598	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
431	}	761	}
432		762
433	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
434		764
435	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		777
448	#############################################################################	778	#############################################################################
449		779
450	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
451		781
452	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
455		785
456	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	788	Deliantra).
459		789
460	=over 4	790	=over 4
461		791
462	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
463		793
…		…
507	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
508		838
509	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
511		841
512	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
514		844
515	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
516		846
517	=over 4	847	=over 4
…		…
665	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
666	}	996	}
667		997
668	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
669	} else {	999	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	1001	}
672		1002
673	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
674	}	1004	}
675		1005
…		…
715	";	1045	";
716	die if $@;	1046	die if $@;
717	}	1047	}
718		1048
719	our $override;	1049	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1051
722	sub override {	1052	sub override {
723	$override = 1;	1053	$override = 1;
724	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
725	}	1055	}
726		1056
727	sub do_invoke {	1057	sub do_invoke {
728	my $event = shift;	1058	my $event = shift;
729	my $callbacks = shift;	1059	my $callbacks = shift;
730		1060
731	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
732		1062
733	local $override;	1063	local $override;
734		1064
735	for (@$callbacks) {	1065	for (@$callbacks) {
736	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
745	}	1075	}
746		1076
747	0	1077	0
748	}	1078	}
749		1079
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1081
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1083
754	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
755		1085
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1089
760	=back	1090	=back
761		1091
762	=cut	1092	=cut
763		1093
764	#############################################################################	1094	#############################################################################
765	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
766		1138
767	sub reattach {	1139	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1141	my ($obj) = @_;
770		1142
		1143	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1145
773	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
774		1147
775	@$registry = ();	1148	@$registry = ();
776		1149
…		…
791	cf::attachable->attach (	1164	cf::attachable->attach (
792	prio => -1000000,	1165	prio => -1000000,
793	on_instantiate => sub {	1166	on_instantiate => sub {
794	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
795		1168
796	$data = from_json $data;	1169	$data = decode_json $data;
797		1170
798	for (@$data) {	1171	for (@$data) {
799	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
800		1173
801	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1190	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
819		1192
820	sync_job {	1193	sync_job {
821	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
824		1198
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
829	close $fh;	1206	aio_close $fh;
830		1207
831	if (@$objs) {	1208	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
837	close $fh;	1217	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
839	}	1219	}
840	} else {	1220	} else {
841	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
842	}	1222	}
843		1223
844	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1228	} else {
846	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
847	}	1230	}
848	} else {	1231	} else {
849	aio_unlink $filename;	1232	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
851	}	1234	}
852	}	1235	};
853	}	1236	}
854		1237
855	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
857		1240
…		…
869	or return;	1252	or return;
870		1253
871	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
873	or return;	1256	or return;
		1257
874	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
875	}	1260	}
876		1261
		1262	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
879	return ($data, $av);	1266	($data, $av)
880	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
881		1274
882	#############################################################################	1275	#############################################################################
883	# command handling &c	1276	# command handling &c
884		1277
885	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1292	}
900		1293
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1295
903	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
904		1301
905	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
906	called.	1303	called.
907		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
908	=cut	1316	=cut
909		1317
910	sub register_extcmd {	1318	sub register_extcmd {
911	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
912		1320
913	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
914	}	1322	}
915		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
916	cf::player->attach (	1332	cf::player->attach (
917	on_command => sub {	1333	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
919		1335
920	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
921	or return;	1337	or return;
922		1338
…		…
927	cf::override;	1343	cf::override;
928	},	1344	},
929	on_extcmd => sub {	1345	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
931		1347
932	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1349
934	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
940	} else {	1365	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1367	}
943		1368
944	cf::override;	1369	cf::override;
945	},	1370	},
946	);	1371	);
947		1372
		1373	# "readahead" all extensions
948	sub load_extension {	1374	sub cache_extensions {
949	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
950		1376
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1380	}
976	die $@;
977	}	1381	};
978		1382
979	push @EXTS, $pkg;	1383	$grp
980	}	1384	}
981		1385
982	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
983	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1391	next unless -r $path;
985	eval {	1392
986	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
987	1	1456	}
988	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
989	}	1467	};
990	}	1468	}
991		1469
992	#############################################################################	1470	#############################################################################
993		1471
		1472	=back
		1473
994	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
995		1475
996	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
997		1477
998	=cut	1478	=cut
999		1479
1000	package cf::player;	1480	package cf::player;
1001		1481
1002	use Coro::AIO;	1482	use Coro::AIO;
1003		1483
1004	=head3 cf::player	1484	=head3 cf::player
1005		1485
1006	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1007		1501
1008	=item cf::player::find $login	1502	=item cf::player::find $login
1009		1503
1010	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1011		1505
…		…
1030		1524
1031	sub exists($) {	1525	sub exists($) {
1032	my ($login) = @_;	1526	my ($login) = @_;
1033		1527
1034	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1036	}	1530	}
1037		1531
1038	sub find($) {	1532	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1534	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1545
1052	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1055	}	1555	}
1056	}	1556	}
1057	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1058		1571
1059	sub save($) {	1572	sub save($) {
1060	my ($pl) = @_;	1573	my ($pl) = @_;
1061		1574
1062	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1068		1581
1069	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1071		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1072	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1073	Coro::cede;	1591	cf::cede_to_tick;
1074	}	1592	}
1075		1593
1076	sub new($) {	1594	sub new($) {
1077	my ($login) = @_;	1595	my ($login) = @_;
1078		1596
…		…
1084	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1085		1603
1086	$self	1604	$self
1087	}	1605	}
1088		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1089	=item $pl->quit_character	1617	=item $pl->quit_character
1090		1618
1091	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1093		1621
…		…
1097	my ($pl) = @_;	1625	my ($pl) = @_;
1098		1626
1099	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1100		1628
1101	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1631
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1108		1638
1109	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1676	or return [];
1147		1677
1148	my @logins;	1678	my @logins;
1149		1679
1150	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1154		1690
1155	utf8::decode $login;	1691	utf8::decode $login;
1156	push @logins, $login;	1692	push @logins, $login;
1157	}	1693	}
1158		1694
1159	\@logins	1695	\@logins
1160	}	1696	}
1161		1697
1162	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1163		1701
1164	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1165	player. May block.	1703	player. May block.
1166		1704
1167	=cut	1705	=cut
…		…
1185	}	1723	}
1186		1724
1187	\@paths	1725	\@paths
1188	}	1726	}
1189		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1190	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1191		1733
1192	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1193		1735
1194	=cut	1736	=cut
1195		1737
1196	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1198		1740
1199	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1742	}
1203		1743
1204	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1205		1745
1206	Sends an ext event to the client.	1746	Sends an ext event to the client.
1207		1747
1208	=cut	1748	=cut
1209		1749
1210	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1212		1752
1213	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1214	}	1754	}
1215		1755
1216	=head3 cf::region	1756	=head3 cf::region
1217		1757
1218	=over 4	1758	=over 4
…		…
1221		1761
1222	package cf::region;	1762	package cf::region;
1223		1763
1224	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1225		1765
1226	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1227		1767
1228	=cut	1768	=cut
1229		1769
1230	sub find_by_path($) {	1770	sub find_by_path($) {
1231	my ($path) = @_;	1771	my ($path) = @_;
1232		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1233	my ($match, $specificity);	1775	my ($match, $specificity);
1234		1776
1235	for my $region (list) {	1777	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1239	}	1781	}
1240	}	1782	}
1241		1783
…		…
1262	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1264		1806
1265	sub generate_random_map {	1807	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1267	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1813	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1297		1842
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1844	}
1300		1845
1301	# also paths starting with '/'	1846	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1848
1304	sub thawer_merge {	1849	sub thawer_merge {
1305	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1306		1851
1307	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
…		…
1361	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1362	return $self;	1907	return $self;
1363	}	1908	}
1364	}	1909	}
1365		1910
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1912	()
1368	}	1913	}
1369		1914
1370	sub init {	1915	sub init {
1371	my ($self) = @_;	1916	my ($self) = @_;
…		…
1393		1938
1394	# the temporary/swap location	1939	# the temporary/swap location
1395	sub save_path {	1940	sub save_path {
1396	my ($self) = @_;	1941	my ($self) = @_;
1397		1942
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1400	}	1945	}
1401		1946
1402	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1403	sub uniq_path {	1948	sub uniq_path {
1404	my ($self) = @_;	1949	my ($self) = @_;
1405		1950
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1953	}
1418		1954
1419	sub decay_objects {	1955	sub decay_objects {
1420	my ($self) = @_;	1956	my ($self) = @_;
1421		1957
…		…
1434		1970
1435	sub load_header_from($) {	1971	sub load_header_from($) {
1436	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1437		1973
1438	utf8::encode $path;	1974	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1444		1983
1445	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1446		1985
1447	1	1986	1
1448	}	1987	}
…		…
1502	sub find {	2041	sub find {
1503	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1504		2043
1505	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1506		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2048
1509	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1512	or return;	2051	or return;
1513		2052
1514	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1515		2054
…		…
1517	or return;	2056	or return;
1518		2057
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1522	$map->reset;	2063	$map->reset;
1523	undef $guard;
1524	return find $path;	2064	return find $path;
1525	}	2065	}
1526		2066
1527	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1528	}	2068	}
1529	}	2069	}
1530		2070
1531	sub pre_load { }	2071	sub pre_load { }
1532	sub post_load { }	2072	#sub post_load { } # XS
1533		2073
1534	sub load {	2074	sub load {
1535	my ($self) = @_;	2075	my ($self) = @_;
1536		2076
1537	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1538		2078
1539	my $path = $self->{path};	2079	my $path = $self->{path};
1540		2080
1541	{	2081	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1543		2083
		2084	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2086
1546	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1547		2088
1548	$self->alloc;	2089	$self->alloc;
1549		2090
1550	$self->pre_load;	2091	$self->pre_load;
1551	Coro::cede;	2092	cf::cede_to_tick;
1552		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1554	or return;	2097	or return;
1555		2098
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1557	if delete $self->{load_original};	2100	if delete $self->{load_original};
1558		2101
1559	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2103	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2106	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1564	}	2110	}
1565	}	2111	}
1566		2112
1567	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1568	# now do the right thing for maps	2116	# now do the right thing for maps
1569	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2119	unless $self->difficulty;
1572	Coro::cede;	2120	cf::cede_to_tick;
1573		2121
1574	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2123	$self->decay_objects;
1576	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1577	$self->update_buttons;	2125	$self->update_buttons;
1578	Coro::cede;	2126	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2127	$self->activate;
1582	}	2128	}
1583		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2134	}
1586		2135
1587	$self->post_load;	2136	$self->post_load;
1588	}	2137	}
1589		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2142	sub customise_for {
1591	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1592		2144
1593	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2146	if $self->per_player;
…		…
1598		2150
1599	$self	2151	$self
1600	}	2152	}
1601		2153
1602	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2155	sub load_neighbours {
1604	my ($map) = @_;	2156	my ($map) = @_;
1605		2157
1606	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1607		2159
1608	for (0 .. 3) {	2160	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1610	or next;	2162	or next;
1611	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1612	or next;	2164	or next;
1613	$neigh->load;	2165	$neigh->load;
1614		2166
		2167	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2170	}
1618		2171
1619	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1621	or next;	2175	or next;
1622	$neigh->load;	2176	$neigh->load;
1623	}	2177	}
1624	}	2178	}
1625		2179
…		…
1630	}	2184	}
1631		2185
1632	sub do_load_sync {	2186	sub do_load_sync {
1633	my ($map) = @_;	2187	my ($map) = @_;
1634		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1635	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1636	}	2193	}
1637		2194
1638	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1640		2197
1641	sub find_async {	2198	sub find_async {
1642	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1643		2200
1644	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1645		2202
1646	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2205	}
1649		2206
1650	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1651	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1652	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2214	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2215	$map->load if $v;
		2216	}
1657		2217
1658	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1659	}	2219	}
1660	}	2220	}
1661	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1662	};	2222	};
1663	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1664		2224
1665	()	2225	()
1666	}	2226	}
1667		2227
		2228	# common code, used by both ->save and ->swapout
1668	sub save {	2229	sub _save {
1669	my ($self) = @_;	2230	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2231
1673	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1674		2233
1675	return unless $self->dirty;	2234	return unless $self->dirty;
1676		2235
…		…
1682	return if $self->{deny_save};	2241	return if $self->{deny_save};
1683		2242
1684	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1685		2244
1686	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1688	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1689		2251
1690	if ($uniq) {	2252	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2255	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2257	}
1696	}	2258	}
1697		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1698	sub swap_out {	2268	sub swap_out {
1699	my ($self) = @_;	2269	my ($self) = @_;
1700		2270
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1706	return if $self->players;	2275	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1710	$self->clear;	2286	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2287	}
1713		2288
1714	sub reset_at {	2289	sub reset_at {
1715	my ($self) = @_;	2290	my ($self) = @_;
1716		2291
…		…
1734		2309
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2311
1737	return if $self->players;	2312	return if $self->players;
1738		2313
1739	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1740		2315
1741	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1742		2317
1743	# need to save uniques path	2318	# need to save uniques path
1744	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2323	if $uniq;
1749	}	2324	}
1750		2325
1751	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1752		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2330	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2331
1757	$self->unlink_save;	2332	$self->unlink_save;
1758	$self->destroy;	2333	$self->destroy;
1759	}	2334	}
1760		2335
1761	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1762		2337
1763	sub nuke {	2338	sub nuke {
1764	my ($self) = @_;	2339	my ($self) = @_;
1765		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1766	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1767		2345
1768	$self->unlink_save;	2346	$self->unlink_save;
1769		2347
1770	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2353
1776	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1777		2356
1778	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1779	}	2394	}
1780		2395
1781	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1782		2397
1783	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2399	instantiated unique items. May block.
1785		2400
1786	=cut	2401	=cut
1787		2402
1788	sub unique_maps() {	2403	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2404	[
1790	or return;	2405	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2406	utf8::decode $_;
1796	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2409	? ()
1799	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2412	]
1801
1802	\@paths
1803	}	2413	}
1804		2414
1805	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1806		2446
1807	=back	2447	=back
1808		2448
1809	=head3 cf::object	2449	=head3 cf::object
1810		2450
…		…
1814		2454
1815	=over 4	2455	=over 4
1816		2456
1817	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1818		2458
1819	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1820		2461
1821	=cut	2462	=cut
1822		2463
1823	sub inv_recursive_;	2464	sub inv_recursive_;
1824	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1827		2468
1828	sub inv_recursive {	2469	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1830	}	2471	}
1831		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1832	package cf;	2501	package cf;
1833		2502
1834	=back	2503	=back
1835		2504
1836	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1845		2514
1846	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1847		2530
1848	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2532	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1853		2536
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2538
1856	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1858	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1861	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1862	}	2564	}
1863		2565
1864	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1865		2567
1866	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1879		2581
1880	=item $player_object->enter_link	2582	=item $player_object->enter_link
1881		2583
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2585
1884	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1886		2590
1887	Will never block.	2591	Will never block.
1888		2592
1889	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1890		2594
…		…
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2620
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
1919		2623
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2625	}
1922		2626
1923	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
1925		2629
…		…
1942	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1944		2648
1945	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1948		2652
1949	$map->load;	2653	$map->load;
1950	$map->load_diag;	2654	$map->load_neighbours;
1951		2655
1952	return unless $self->contr->active;	2656	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2657
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1957	}
1958		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2666
1961	Moves the player to the given map-path and coordinates by first freezing	2667	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2669	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2670	the new (success) or old (failed) map position. In either case, $done will
		2671	be called at the end of this process.
		2672
		2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1965		2675
1966	=cut	2676	=cut
1967		2677
1968	our $GOTOGEN;	2678	our $GOTOGEN;
1969		2679
1970	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2682
1973	# do generation counting so two concurrent goto's will be executed in-order	2683	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2685
1976	$self->enter_link;	2686	$self->enter_link;
1977		2687
1978	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1979	my $map = eval {	2710	my $map = eval {
1980	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
1981		2712
1982	if ($map) {	2713	if ($map) {
1983	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
1985	} else {	2716	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2718	}
1988		2719
1989	$map	2720	$map
1990	};	2721	};
1991		2722
…		…
1996		2727
1997	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
2000	}	2731	}
		2732
		2733	$done->() if $done;
2001	})->prio (1);	2734	})->prio (1);
2002	}	2735	}
2003		2736
2004	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2005		2738
…		…
2025	}	2758	}
2026		2759
2027	sub prepare_random_map {	2760	sub prepare_random_map {
2028	my ($exit) = @_;	2761	my ($exit) = @_;
2029		2762
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2765	# that depends on the exit object
2035		2766
2036	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2769	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2043	}	2776	}
2044		2777
2045	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2046		2779
2047	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2050		2783
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2786	undef $fh;
2054	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2055		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2058	}	2795	}
2059	}	2796	}
2060		2797
2061	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2063		2800
2064	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2065		2802
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2803	$self->enter_link;
2078		2804
2079	(async {	2805	(async {
2080	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2081	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2082	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2083		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2084	1;	2829	1
2085	}) {	2830	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2835
2091	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2110		2855
2111	utf8::encode $text;	2856	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2858	}
2114		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2115	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2116		3048
2117	Sends an exti event to the client.	3049	Sends an ext event to the client.
2118		3050
2119	=cut	3051	=cut
2120		3052
2121	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2123		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2126	}	3080	}
2127		3081
2128	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2129		3083
2130	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3087
2134	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3089	become reliable at some point in the future.
2136		3090
2137	=cut	3091	=cut
2138		3092
2139	sub cf::client::query {	3093	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3102	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3104
2151	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2153	}	3109	}
2154		3110
2155	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2156	on_reply => sub {	3117	on_reply => sub {
2157	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2158		3119
2159	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2160	# get handled first	3121	# get handled first
…		…
2172	} else {	3133	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3135	}
2175	}	3136	}
2176	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2177	);	3164	);
2178		3165
2179	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2180		3167
2181	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3184
2198	$coro	3185	$coro
2199	}	3186	}
2200		3187
2201	cf::client->attach (	3188	cf::client->attach (
2202	on_destroy => sub {	3189	on_client_destroy => sub {
2203	my ($ns) = @_;	3190	my ($ns) = @_;
2204		3191
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3193	},
2207	);	3194	);
…		…
2222	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2224		3211
2225	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2226		3213
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2228		3219
2229	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2230		3221
2231	=pod	3222	=pod
2232		3223
2233	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2234		3225
2235	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2236	cf::object::player player	3231	cf::object::player
2237	cf::player peaceful	3232	player
2238	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2239		3239
2240	=cut	3240	=cut
2241		3241
2242	for (	3242	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2247	) {	3249	) {
2248	no strict 'refs';	3250	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2268		3270
2269	my $qcode = $code;	3271	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2272		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2273	local $_;	3278	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3279
2276	my $eval =	3280	my $eval =
2277	"do {\n"	3281	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3284	. $code
2281	. "\n}"	3285	. "\n}"
2282	;	3286	;
2283		3287
		3288	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2287		3297
2288	if ($@) {	3298	if ($@) {
2289	warn "$@";	3299	warn "$@";
2290	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2291	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2310	=cut	3320	=cut
2311		3321
2312	sub register_script_function {	3322	sub register_script_function {
2313	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2314		3324
2315	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2317	}	3327	}
2318		3328
2319	=back	3329	=back
2320		3330
2321	=cut	3331	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3332
2495	#############################################################################	3333	#############################################################################
2496	# the server's init and main functions	3334	# the server's init and main functions
2497		3335
2498	sub load_facedata($) {	3336	sub load_facedata($) {
2499	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3344
2501	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2502		3346
2503	my $facedata;	3347	my $facedata;
2504	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2508		3352
2509	$facedata->{version} == 2	3353	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2512	{	3365	{
2513	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2514		3367
2515	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3375
		3376	cf::cede_to_tick;
2521	}	3377	}
2522		3378
2523	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2525	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2526	or next;	3383	or next;
		3384
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3388	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3390	}
2532	Coro::cede;	3391
		3392	cf::cede_to_tick;
2533	}	3393	}
2534	}	3394	}
2535		3395
2536	{	3396	{
2537	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2538		3398
2539	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3401	cf::cede_to_tick;
2542	}	3402	}
2543		3403
2544	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2545	}	3405	}
2546		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2547	1	3426	1
2548	}	3427	}
2549		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2550	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2551	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2553	}	3479	}
2554		3480
2555	sub reload_facedata {	3481	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2568	}	3494	}
2569		3495
2570	sub reload_resources {	3496	sub reload_resources {
2571	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2572		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2573	reload_regions;	3501	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3502	reload_treasures;
2578		3503
2579	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2580	}	3505	}
2581		3506
2582	sub init {	3507	sub reload_config {
2583	reload_resources;	3508	warn "reloading config file...\n";
2584	}
2585		3509
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3511	or return;
2589		3512
2590	local $/;	3513	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2592		3515
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3517
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2601	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2602	};	3525	};
2603	warn $@ if $@;	3526	warn $@ if $@;
2604	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2605	}	3558	}
2606		3559
2607	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2608	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3573	(async {
2612	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2614	};	3577	};
2615		3578
2616	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2617	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2618	load_extensions;	3602	load_extensions;
2619		3603
2620	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2622	}	3617	}
2623		3618
2624	#############################################################################	3619	#############################################################################
2625	# initialisation and cleanup	3620	# initialisation and cleanup
2626		3621
2627	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2628	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2637	},
2638	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2639	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2640	}	3718	}
2641		3719
2642	sub emergency_save() {	3720	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2644		3722
2645	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2646		3724
2647	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2648	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3739	$pl->save;
2656	}	3740	}
2657	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2658		3742
2659	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3746	$map->valid or next;
2663	$map->save;	3747	$map->save;
2664	}	3748	}
2665	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2666		3750
2667	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2670	};	3758	};
2671		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2672	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2673	}	3766	}
2674		3767
2675	sub post_cleanup {	3768	sub post_cleanup {
2676	my ($make_core) = @_;	3769	my ($make_core) = @_;
2677		3770
2678	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2680	}	3801	}
2681		3802
2682	sub do_reload_perl() {	3803	sub do_reload_perl() {
2683	# can/must only be called in main	3804	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2685	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2686	return;	3807	return;
2687	}	3808	}
2688		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2689	warn "reloading...";	3815	warn "reloading...";
2690		3816
2691	warn "entering sync_job";	3817	warn "entering sync_job";
2692		3818
2693	cf::sync_job {	3819	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3821	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2697		3823
2698	warn "syncing database to disk";	3824	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3826
2701	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2702		3828
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3832	}
2739		3833
2740	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2742	}	3836	%EXT_CORO = ();
2743		3837
2744	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3847	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3848
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2755	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2756	}	3858	}
2757		3859
2758	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2759	}	3875	}
2760		3876
2761	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3880
2765	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3884
2769	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3886	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2772		3888
2773	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2774		3890
2775	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2776	require cf;	3892	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2778		3894
2779	warn "loading config and database again";	3895	warn "loading config and database again";
2780	cf::cfg_load;	3896	cf::reload_config;
2781		3897
2782	warn "loading extensions";	3898	warn "loading extensions";
2783	cf::load_extensions;	3899	cf::load_extensions;
2784		3900
		3901	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2791		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2792	warn "leaving sync_job";	3913	warn "leaving sync_job";
2793		3914
2794	1	3915	1
2795	} or do {	3916	} or do {
2796	warn $@;	3917	warn $@;
2797	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3919	};
2800		3920
2801	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2802	};	3927	};
2803		3928
2804	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2805		3930
2806	sub reload_perl() {	3931	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2809		3934
2810	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3937
2813	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3939	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2817	},	3941	};
2818	);	3942	};
2819	}	3943	}
2820		3944
2821	register_command "reload" => sub {	3945	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2823		3947
2824	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3952	reload_perl;
		3953	};
2827	}	3954	}
2828	};	3955	};
2829		3956
2830	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2831		3958
…		…
2833		3960
2834	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2836		3963
2837	sub wait_for_tick {	3964	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		3966
2841	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3969	$signal->wait;
2844	}	3970	}
2845		3971
2846	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		3974
2850	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3977	$signal->wait;
2853	}	3978	}
2854		3979
2855	my $min = 1e6;#d#	3980	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2867	return;	3984	return;
2868	}	3985	}
2869		3986
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2873		3988
2874	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		3990
2880	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	3993	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	3995	write_runtime_sync
2885		3996	or warn "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3997	};
		3998	}
2896		3999
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4001	$sig->send;
2913	}	4002	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	4004	$sig->send;
2916	}	4005	}
2917		4006
2918	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4009
2929	_post_tick;	4010	if (0) {
2930		4011	if ($NEXT_TICK) {
2931		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
2932	},	4016	}
2933	);	4017	}
2934		4018
2935	{	4019	{
2936	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4021
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2946		4023	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4025
2962	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4033
2965	cf::sync_job {	4034	cf::sync_job {
2966	eval {	4035	eval {
2967	BDB::db_env_open	4036	BDB::db_env_open
2968	$DB_ENV,	4037	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4041	0666;
2973		4042
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4044	};
2979		4045
2980	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4047	};
2982	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2983	}	4059	}
2984		4060
2985	{	4061	{
		4062	# configure IO::AIO
		4063
2986	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4067	}
2999		4068
3000	my $_log_backtrace;	4069	my $_log_backtrace;
3001		4070
3002	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3006		4075
3007	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3010	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3011	my @bt = fork_call {	4083	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3023	}	4095	}
3024		4096
3025	@funcs	4097	@funcs
3026	};	4098	};
3027		4099
3028	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4103	--$_log_backtrace;
3031	};	4104	};
3032	} else {	4105	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3035	}	4108	}
3036	}	4109	}
3037		4110
3038	# load additional modules	4111	# load additional modules
3039	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3040		4114
3041	END { cf::emergency_save }	4115	END { cf::emergency_save }
3042		4116
3043	1	4117	1
3044		4118

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