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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
947		1385
948	sub load_extensions {	1386	sub load_extensions {
949	cf::sync_job {	1387	cf::sync_job {
950	my %todo;	1388	my %todo;
951		1389
…		…
971		1409
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1412
975	$ext{source} =	1413	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
978	. $source	1416	. $source
979	. "\n};\n1";	1417	. "\n};\n1";
980		1418
981	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
982	}	1420	}
983		1421
		1422	my $pass = 0;
984	my %done;	1423	my %done;
985	while (%todo) {	1424	while (%todo) {
986	my $progress;	1425	my $progress;
987		1426
		1427	++$pass;
		1428
		1429	ext:
988	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1432	next ext
991	unless exists $done{$_};	1433	unless exists $done{$_};
992	}	1434	}
993		1435
994	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1437
996	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1001	warn $msg;	1445
1002	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1447	delete $todo{$k};
1004	}	1448	} else {
1005		1449	$done{$k} = delete $todo{$k};
1006	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1007	}	1455	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1456	}
1013		1457
1014	skip:	1458	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1017	}	1466	}
1018	};	1467	};
1019	}	1468	}
1020		1469
1021	#############################################################################	1470	#############################################################################
1022		1471
		1472	=back
		1473
1023	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1024		1475
1025	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1026		1477
1027	=cut	1478	=cut
1028		1479
1029	package cf::player;	1480	package cf::player;
1030		1481
1031	use Coro::AIO;	1482	use Coro::AIO;
1032		1483
1033	=head3 cf::player	1484	=head3 cf::player
1034		1485
1035	=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	}
1036		1501
1037	=item cf::player::find $login	1502	=item cf::player::find $login
1038		1503
1039	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1040		1505
…		…
1059		1524
1060	sub exists($) {	1525	sub exists($) {
1061	my ($login) = @_;	1526	my ($login) = @_;
1062		1527
1063	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1065	}	1530	}
1066		1531
1067	sub find($) {	1532	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1534	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1545
1081	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1084	}	1555	}
1085	}	1556	}
1086	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1087		1571
1088	sub save($) {	1572	sub save($) {
1089	my ($pl) = @_;	1573	my ($pl) = @_;
1090		1574
1091	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1097		1581
1098	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1100		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
1101	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1102	Coro::cede;	1591	cf::cede_to_tick;
1103	}	1592	}
1104		1593
1105	sub new($) {	1594	sub new($) {
1106	my ($login) = @_;	1595	my ($login) = @_;
1107		1596
…		…
1113	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1114		1603
1115	$self	1604	$self
1116	}	1605	}
1117		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
1118	=item $pl->quit_character	1617	=item $pl->quit_character
1119		1618
1120	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1122		1621
…		…
1126	my ($pl) = @_;	1625	my ($pl) = @_;
1127		1626
1128	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1129		1628
1130	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1131	$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
1132		1631
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1137		1638
1138	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1676	or return [];
1176		1677
1177	my @logins;	1678	my @logins;
1178		1679
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1183		1690
1184	utf8::decode $login;	1691	utf8::decode $login;
1185	push @logins, $login;	1692	push @logins, $login;
1186	}	1693	}
1187		1694
1188	\@logins	1695	\@logins
1189	}	1696	}
1190		1697
1191	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1192		1701
1193	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1194	player. May block.	1703	player. May block.
1195		1704
1196	=cut	1705	=cut
…		…
1214	}	1723	}
1215		1724
1216	\@paths	1725	\@paths
1217	}	1726	}
1218		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1219	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1220		1733
1221	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1222		1735
1223	=cut	1736	=cut
1224		1737
1225	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1227		1740
1228	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1742	}
1232		1743
1233	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1234		1745
1235	Sends an ext event to the client.	1746	Sends an ext event to the client.
1236		1747
1237	=cut	1748	=cut
1238		1749
1239	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1241		1752
1242	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1243	}	1754	}
1244		1755
1245	=head3 cf::region	1756	=head3 cf::region
1246		1757
1247	=over 4	1758	=over 4
…		…
1250		1761
1251	package cf::region;	1762	package cf::region;
1252		1763
1253	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1254		1765
1255	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1256		1767
1257	=cut	1768	=cut
1258		1769
1259	sub find_by_path($) {	1770	sub find_by_path($) {
1260	my ($path) = @_;	1771	my ($path) = @_;
1261		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1262	my ($match, $specificity);	1775	my ($match, $specificity);
1263		1776
1264	for my $region (list) {	1777	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1268	}	1781	}
1269	}	1782	}
1270		1783
…		…
1291	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1293		1806
1294	sub generate_random_map {	1807	sub generate_random_map {
1295	my ($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
1296	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1813	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1390	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1391	return $self;	1907	return $self;
1392	}	1908	}
1393	}	1909	}
1394		1910
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1912	()
1397	}	1913	}
1398		1914
1399	sub init {	1915	sub init {
1400	my ($self) = @_;	1916	my ($self) = @_;
…		…
1422		1938
1423	# the temporary/swap location	1939	# the temporary/swap location
1424	sub save_path {	1940	sub save_path {
1425	my ($self) = @_;	1941	my ($self) = @_;
1426		1942
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1429	}	1945	}
1430		1946
1431	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1432	sub uniq_path {	1948	sub uniq_path {
1433	my ($self) = @_;	1949	my ($self) = @_;
1434		1950
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	1953	}
1447		1954
1448	sub decay_objects {	1955	sub decay_objects {
1449	my ($self) = @_;	1956	my ($self) = @_;
1450		1957
…		…
1463		1970
1464	sub load_header_from($) {	1971	sub load_header_from($) {
1465	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1466		1973
1467	utf8::encode $path;	1974	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	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;
1473		1983
1474	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1475		1985
1476	1	1986	1
1477	}	1987	}
…		…
1531	sub find {	2041	sub find {
1532	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1533		2043
1534	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1535		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2048
1538	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1541	or return;	2051	or return;
1542		2052
1543	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1544		2054
…		…
1546	or return;	2056	or return;
1547		2057
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1551	$map->reset;	2063	$map->reset;
1552	undef $guard;
1553	return find $path;	2064	return find $path;
1554	}	2065	}
1555		2066
1556	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1557	}	2068	}
1558	}	2069	}
1559		2070
1560	sub pre_load { }	2071	sub pre_load { }
1561	sub post_load { }	2072	#sub post_load { } # XS
1562		2073
1563	sub load {	2074	sub load {
1564	my ($self) = @_;	2075	my ($self) = @_;
1565		2076
1566	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1567		2078
1568	my $path = $self->{path};	2079	my $path = $self->{path};
1569		2080
1570	{	2081	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1572		2083
		2084	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2086
1575	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1576		2088
1577	$self->alloc;	2089	$self->alloc;
1578		2090
1579	$self->pre_load;	2091	$self->pre_load;
1580	Coro::cede;	2092	cf::cede_to_tick;
1581		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1583	or return;	2097	or return;
1584		2098
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1586	if delete $self->{load_original};	2100	if delete $self->{load_original};
1587		2101
1588	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2103	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2106	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1593	}	2110	}
1594	}	2111	}
1595		2112
1596	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1597	# now do the right thing for maps	2116	# now do the right thing for maps
1598	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2119	unless $self->difficulty;
1601	Coro::cede;	2120	cf::cede_to_tick;
1602		2121
1603	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2123	$self->decay_objects;
1605	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1606	$self->update_buttons;	2125	$self->update_buttons;
1607	Coro::cede;	2126	cf::cede_to_tick;
1608	$self->set_darkness_map;
1609	Coro::cede;
1610	$self->activate;	2127	$self->activate;
1611	}	2128	}
1612		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2134	}
1615		2135
1616	$self->post_load;	2136	$self->post_load;
1617	}	2137	}
1618		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1619	sub customise_for {	2142	sub customise_for {
1620	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1621		2144
1622	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2146	if $self->per_player;
…		…
1627		2150
1628	$self	2151	$self
1629	}	2152	}
1630		2153
1631	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2155	sub load_neighbours {
1633	my ($map) = @_;	2156	my ($map) = @_;
1634		2157
1635	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1636		2159
1637	for (0 .. 3) {	2160	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1639	or next;	2162	or next;
1640	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1641	or next;	2164	or next;
1642	$neigh->load;	2165	$neigh->load;
1643		2166
		2167	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2170	}
1647		2171
1648	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1650	or next;	2175	or next;
1651	$neigh->load;	2176	$neigh->load;
1652	}	2177	}
1653	}	2178	}
1654		2179
…		…
1659	}	2184	}
1660		2185
1661	sub do_load_sync {	2186	sub do_load_sync {
1662	my ($map) = @_;	2187	my ($map) = @_;
1663		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1664	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1665	}	2193	}
1666		2194
1667	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1669		2197
1670	sub find_async {	2198	sub find_async {
1671	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1672		2200
1673	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1674		2202
1675	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2205	}
1678		2206
1679	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1680	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1681	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2214	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2215	$map->load if $v;
		2216	}
1686		2217
1687	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1688	}	2219	}
1689	}	2220	}
1690	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1691	};	2222	};
1692	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1693		2224
1694	()	2225	()
1695	}	2226	}
1696		2227
		2228	# common code, used by both ->save and ->swapout
1697	sub save {	2229	sub _save {
1698	my ($self) = @_;	2230	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2231
1702	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1703		2233
1704	return unless $self->dirty;	2234	return unless $self->dirty;
1705		2235
…		…
1711	return if $self->{deny_save};	2241	return if $self->{deny_save};
1712		2242
1713	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1714		2244
1715	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1717	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1718		2251
1719	if ($uniq) {	2252	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2255	} else {
1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1724	}	2257	}
1725	}	2258	}
1726		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1727	sub swap_out {	2268	sub swap_out {
1728	my ($self) = @_;	2269	my ($self) = @_;
1729		2270
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1735	return if $self->players;	2275	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		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
1739	$self->clear;	2286	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2287	}
1742		2288
1743	sub reset_at {	2289	sub reset_at {
1744	my ($self) = @_;	2290	my ($self) = @_;
1745		2291
…		…
1763		2309
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2311
1766	return if $self->players;	2312	return if $self->players;
1767		2313
1768	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1769		2315
1770	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1771		2317
1772	# need to save uniques path	2318	# need to save uniques path
1773	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1777	if $uniq;	2323	if $uniq;
1778	}	2324	}
1779		2325
1780	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1781		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2330	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2331
1786	$self->unlink_save;	2332	$self->unlink_save;
1787	$self->destroy;	2333	$self->destroy;
1788	}	2334	}
1789		2335
1790	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1791		2337
1792	sub nuke {	2338	sub nuke {
1793	my ($self) = @_;	2339	my ($self) = @_;
1794		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1795	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1796		2345
1797	$self->unlink_save;	2346	$self->unlink_save;
1798		2347
1799	bless $self, "cf::map";	2348	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2353
1805	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1806		2356
1807	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1808	}	2358	}
1809		2359
1810	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
1852		2402
1853	sub unique_maps() {	2403	sub unique_maps() {
1854	[	2404	[
1855	map {	2405	map {
1856	utf8::decode $_;	2406	utf8::decode $_;
1857	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
1858	? normalise $_	2410	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2412	]
1862	}	2413	}
1863		2414
1864	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	}
1865		2446
1866	=back	2447	=back
1867		2448
1868	=head3 cf::object	2449	=head3 cf::object
1869		2450
…		…
1873		2454
1874	=over 4	2455	=over 4
1875		2456
1876	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1877		2458
1878	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.
1879		2461
1880	=cut	2462	=cut
1881		2463
1882	sub inv_recursive_;	2464	sub inv_recursive_;
1883	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1886		2468
1887	sub inv_recursive {	2469	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1889	}	2471	}
1890		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
1891	package cf;	2501	package cf;
1892		2502
1893	=back	2503	=back
1894		2504
1895	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1901	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>
1902	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
1903	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1904		2514
1905	=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	};
1906		2530
1907	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2532	# with dialog boxes.
1909	#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
1910	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1912		2536
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2538
1915	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1917	} 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 {
1918	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1920	}	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 (@_);
1921	}	2564	}
1922		2565
1923	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1924		2567
1925	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1938		2581
1939	=item $player_object->enter_link	2582	=item $player_object->enter_link
1940		2583
1941	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}>).
1942		2585
1943	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.
1944	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.
1945		2590
1946	Will never block.	2591	Will never block.
1947		2592
1948	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1949		2594
…		…
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2620
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
1978		2623
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2625	}
1981		2626
1982	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
1984		2629
…		…
2001	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2003		2648
2004	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2007		2652
2008	$map->load;	2653	$map->load;
2009	$map->load_diag;	2654	$map->load_neighbours;
2010		2655
2011	return unless $self->contr->active;	2656	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2657
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2016	}
2017		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2666
2020	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
2021	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
2022	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
2023	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 >>.
2024		2675
2025	=cut	2676	=cut
2026		2677
2027	our $GOTOGEN;	2678	our $GOTOGEN;
2028		2679
2029	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2682
2032	# 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
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2685
2035	$self->enter_link;	2686	$self->enter_link;
2036		2687
2037	(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
2038	my $map = eval {	2710	my $map = eval {
2039	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
2040		2712
2041	if ($map) {	2713	if ($map) {
2042	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
2044	} else {	2716	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2718	}
2047		2719
2048	$map	2720	$map
2049	};	2721	};
2050		2722
…		…
2055		2727
2056	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
2059	}	2731	}
		2732
		2733	$done->() if $done;
2060	})->prio (1);	2734	})->prio (1);
2061	}	2735	}
2062		2736
2063	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2064		2738
…		…
2084	}	2758	}
2085		2759
2086	sub prepare_random_map {	2760	sub prepare_random_map {
2087	my ($exit) = @_;	2761	my ($exit) = @_;
2088		2762
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2765	# that depends on the exit object
2094		2766
2095	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2769	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2102	}	2776	}
2103		2777
2104	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2105		2779
2106	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2109		2783
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2786	undef $fh;
2113	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2114		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2117	}	2795	}
2118	}	2796	}
2119		2797
2120	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2122		2800
2123	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2124		2802
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2803	$self->enter_link;
2137		2804
2138	(async {	2805	(async {
2139	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2140	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
2141	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2142		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
2143	1;	2829	1
2144	}) {	2830	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "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. "
2147	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2835
2150	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2169		2855
2170	utf8::encode $text;	2856	utf8::encode $text;
2171	$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);
2172	}	2858	}
2173		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
2174	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2175		3048
2176	Sends an exti event to the client.	3049	Sends an ext event to the client.
2177		3050
2178	=cut	3051	=cut
2179		3052
2180	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2182		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2184	$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	}
2185	}	3080	}
2186		3081
2187	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2188		3083
2189	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2190	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>,
2191	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>.
2192		3087
2193	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
2194	reliable at some point in the future.	3089	become reliable at some point in the future.
2195		3090
2196	=cut	3091	=cut
2197		3092
2198	sub cf::client::query {	3093	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3102	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3104
2210	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2212	}	3109	}
2213		3110
2214	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	},
2215	on_reply => sub {	3117	on_reply => sub {
2216	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2217		3119
2218	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2219	# get handled first	3121	# get handled first
…		…
2231	} else {	3133	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3135	}
2234	}	3136	}
2235	},	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	},
2236	);	3164	);
2237		3165
2238	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2239		3167
2240	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3184
2257	$coro	3185	$coro
2258	}	3186	}
2259		3187
2260	cf::client->attach (	3188	cf::client->attach (
2261	on_destroy => sub {	3189	on_client_destroy => sub {
2262	my ($ns) = @_;	3190	my ($ns) = @_;
2263		3191
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3193	},
2266	);	3194	);
…		…
2281	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2283		3211
2284	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2285		3213
2286	$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	));
2287		3219
2288	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2289		3221
2290	=pod	3222	=pod
2291		3223
2292	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2293		3225
2294	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
2295	cf::object::player player	3231	cf::object::player
2296	cf::player peaceful	3232	player
2297	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2298		3239
2299	=cut	3240	=cut
2300		3241
2301	for (	3242	for (
2302	["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)],
2303	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2306	) {	3249	) {
2307	no strict 'refs';	3250	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2327		3270
2328	my $qcode = $code;	3271	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2331		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2332	local $_;	3278	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3279
2335	my $eval =	3280	my $eval =
2336	"do {\n"	3281	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3284	. $code
2340	. "\n}"	3285	. "\n}"
2341	;	3286	;
2342		3287
		3288	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	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	}
2346		3297
2347	if ($@) {	3298	if ($@) {
2348	warn "$@";	3299	warn "$@";
2349	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2350	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2369	=cut	3320	=cut
2370		3321
2371	sub register_script_function {	3322	sub register_script_function {
2372	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2373		3324
2374	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2376	}	3327	}
2377		3328
2378	=back	3329	=back
2379		3330
2380	=cut	3331	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3332
2554	#############################################################################	3333	#############################################################################
2555	# the server's init and main functions	3334	# the server's init and main functions
2556		3335
2557	sub load_facedata($) {	3336	sub load_facedata($) {
2558	my ($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;
2559		3344
2560	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2561		3346
2562	my $facedata;	3347	my $facedata;
2563	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2567		3352
2568	$facedata->{version} == 2	3353	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		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
2571	{	3365	{
2572	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2573		3367
2574	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3375
		3376	cf::cede_to_tick;
2580	}	3377	}
2581		3378
2582	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2584	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2585	or next;	3383	or next;
		3384
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3388	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3390	}
2591	Coro::cede;	3391
		3392	cf::cede_to_tick;
2592	}	3393	}
2593	}	3394	}
2594		3395
2595	{	3396	{
2596	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2597		3398
2598	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3401	cf::cede_to_tick;
2601	}	3402	}
2602		3403
2603	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2604	}	3405	}
2605		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
2606	1	3426	1
2607	}	3427	}
2608		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	$status
		3465	}
		3466
2609	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2610	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2611	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 $_->{match};
		3478	}
2612	}	3479	}
2613		3480
2614	sub reload_facedata {	3481	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2627	}	3494	}
2628		3495
2629	sub reload_resources {	3496	sub reload_resources {
2630	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2631		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2632	reload_regions;	3501	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3502	reload_treasures;
2637		3503
2638	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2639	}	3505	}
2640		3506
2641	sub init {	3507	sub reload_config {
2642	reload_resources;	3508	warn "reloading config file...\n";
2643	}
2644		3509
2645	sub cfg_load {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3511	or return;
2648		3512
2649	local $/;	3513	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2651		3515
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3517
2654	$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};
2655	$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};
…		…
2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2661	};	3525	};
2662	warn $@ if $@;	3526	warn $@ if $@;
2663	}	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;
2664	}	3558	}
2665		3559
2666	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
2667	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2669	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#
2670	(async {	3573	(async {
2671	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2673	};	3577	};
2674		3578
2675	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;
2676	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
2677	load_extensions;	3602	load_extensions;
2678		3603
2679	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2680	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;
2681	}	3617	}
2682		3618
2683	#############################################################################	3619	#############################################################################
2684	# initialisation and cleanup	3620	# initialisation and cleanup
2685		3621
2686	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2687	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2696	},
2697	);	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
2698	}	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 };
2699	}	3718	}
2700		3719
2701	sub emergency_save() {	3720	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2703		3722
2704	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2705		3724
2706	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
2707	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3739	$pl->save;
2715	}	3740	}
2716	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2717		3742
2718	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3746	$map->valid or next;
2722	$map->save;	3747	$map->save;
2723	}	3748	}
2724	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2725		3750
2726	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2729	};	3758	};
2730		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2731	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2732	}	3766	}
2733		3767
2734	sub post_cleanup {	3768	sub post_cleanup {
2735	my ($make_core) = @_;	3769	my ($make_core) = @_;
2736		3770
2737	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2738	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	}
2739	}	3801	}
2740		3802
2741	sub do_reload_perl() {	3803	sub do_reload_perl() {
2742	# can/must only be called in main	3804	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2744	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2745	return;	3807	return;
2746	}	3808	}
2747		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2748	warn "reloading...";	3815	warn "reloading...";
2749		3816
2750	warn "entering sync_job";	3817	warn "entering sync_job";
2751		3818
2752	cf::sync_job {	3819	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3821	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2756		3823
2757	warn "syncing database to disk";	3824	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3826
2760	# 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
2761		3828
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2773	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();
2781
2782	warn "removing commands";
2783	%COMMAND = ();
2784
2785	warn "removing ext commands";
2786	%EXTCMD = ();
2787
2788	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";
2791
2792	if (my $cb = $pkg->can ("unload")) {
2793	eval {
2794	$cb->($pkg);
2795	1
2796	} or warn "$pkg unloaded, but with errors: $@";
2797	}	3832	}
2798		3833
2799	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2800	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2801	}	3836	%EXT_CORO = ();
2802		3837
2803	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2804	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2807	warn "... unloading $k";	3847	warn "... unloading $pkg";
2808	delete $INC{$k};
2809		3848
2810	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;
2812
2813	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2814	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2815	}	3858	}
2816		3859
2817	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;
2818	}	3875	}
2819		3876
2820	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2822	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);
2823		3880
2824	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		3884
2828	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3886	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2831		3888
2832	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2833		3890
2834	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2835	require cf;	3892	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2837		3894
2838	warn "loading config and database again";	3895	warn "loading config and database again";
2839	cf::cfg_load;	3896	cf::reload_config;
2840		3897
2841	warn "loading extensions";	3898	warn "loading extensions";
2842	cf::load_extensions;	3899	cf::load_extensions;
2843		3900
		3901	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2850		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2851	warn "leaving sync_job";	3913	warn "leaving sync_job";
2852		3914
2853	1	3915	1
2854	} or do {	3916	} or do {
2855	warn $@;	3917	warn $@;
2856	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3919	};
2859		3920
2860	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2861	};	3927	};
2862		3928
2863	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2864		3930
2865	sub reload_perl() {	3931	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2868		3934
2869	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	3937
2872	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	3939	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2876	},	3941	};
2877	);	3942	};
2878	}	3943	}
2879		3944
2880	register_command "reload" => sub {	3945	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2882		3947
2883	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3952	reload_perl;
		3953	};
2886	}	3954	}
2887	};	3955	};
2888		3956
2889	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2890		3958
…		…
2892		3960
2893	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2895		3963
2896	sub wait_for_tick {	3964	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899		3966
2900	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3969	$signal->wait;
2903	}	3970	}
2904		3971
2905	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908		3974
2909	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3977	$signal->wait;
2912	}	3978	}
2913		3979
2914	my $min = 1e6;#d#	3980	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2924	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"
2925	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2926	return;	3984	return;
2927	}	3985	}
2928		3986
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2932		3988
2933	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938		3990
2939	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941	$map->alloc;	3993	Coro::async_pool {
2942	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
2943	my $t = Event::time - $t;	3995	write_runtime_sync
2944		3996	or warn "ERROR: unable to write runtime file: $!";
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3997	};
		3998	}
2955		3999
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4001	$sig->send;
2972	}	4002	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	4004	$sig->send;
2975	}	4005	}
2976		4006
2977	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4009
2988	_post_tick;	4010	if (0) {
2989		4011	if ($NEXT_TICK) {
2990		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
2991	},	4016	}
2992	);	4017	}
2993		4018
2994	{	4019	{
2995	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4021
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
3005		4023	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4025
3021	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
3022	$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);
3023		4033
3024	cf::sync_job {	4034	cf::sync_job {
3025	eval {	4035	eval {
3026	BDB::db_env_open	4036	BDB::db_env_open
3027	$DB_ENV,	4037	$DB_ENV,
…		…
3029	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
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4041	0666;
3032		4042
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4044	};
3038		4045
3039	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4047	};
3041	}	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	};
3042	}	4059	}
3043		4060
3044	{	4061	{
		4062	# configure IO::AIO
		4063
3045	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4067	}
3058		4068
3059	my $_log_backtrace;	4069	my $_log_backtrace;
3060		4070
3061	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3064	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3065		4075
3066	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3069	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3070	my @bt = fork_call {	4083	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	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 |"
3074	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3082	}	4095	}
3083		4096
3084	@funcs	4097	@funcs
3085	};	4098	};
3086		4099
3087	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4103	--$_log_backtrace;
3090	};	4104	};
3091	} else {	4105	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3094	}	4108	}
3095	}	4109	}
3096		4110
3097	# load additional modules	4111	# load additional modules
3098	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3099		4114
3100	END { cf::emergency_save }	4115	END { cf::emergency_save }
3101		4116
3102	1	4117	1
3103		4118

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