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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	289	for my $pkg (qw(
198	cf::global cf::attachable	290	cf::global cf::attachable
199	cf::object cf::object::player	291	cf::object cf::object::player
200	cf::client cf::player	292	cf::client cf::player
201	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
202	cf::map cf::party cf::region	295	cf::party cf::region
203	)) {	296	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	298	}
207		299
208	$Event::DIED = sub {	300	$EV::DIED = sub {
209	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
210	};	302	};
		303
		304	#############################################################################
211		305
212	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
213		307
214	=over 4	308	=over 4
215		309
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	329	$d
236	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
237	}	331	}
238		332
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
242		334
243	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
244		336
245	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
246		338
247	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
248		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
249	=item cf::lock_wait $string	362	=item cf::lock_wait $string
250		363
251	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
252		365
253	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
254		367
255	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
258	returned.	371	returned.
259		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
260	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
262		378
263	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
264		380
265	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
266		382
267	=cut	383	=cut
268		384
269	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
270		386
271	sub lock_wait($) {	387	sub lock_wait($) {
272	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	389	}
280		390
281	sub lock_acquire($) {	391	sub lock_acquire($) {
282	my ($key) = @_;	392	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	393	}
294		394
295	sub lock_active($) {	395	sub lock_active($) {
296	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	397	}
300		398
301	sub freeze_mainloop {	399	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
303		401
304	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
306	};	469	}
307	$TICK_WATCHER->stop;	470	};
308	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
309	}	485	}
310		486
311	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
312		488
313	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		494
319	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
320		496
321	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
322		498
323	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
326		503
327	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
330	fast or be very important.	507	fast or be very important.
…		…
333		510
334	sub sync_job(&) {	511	sub sync_job(&) {
335	my ($job) = @_;	512	my ($job) = @_;
336		513
337	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	515	my $time = AE::time;
339		516
340	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
342		519
343	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	521
345	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
346		523
347	my $busy = 1;	524	my $busy = 1;
348	my @res;	525	my @res;
349		526
350	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	529	@res = eval { $job->() };
352	warn $@ if $@;	530	warn $@ if $@;
353	undef $busy;	531	undef $busy;
354	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
355		533
356	while ($busy) {	534	while ($busy) {
357	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
358	}	539	}
		540	}
359		541
360	$time = Event::time - $time;	542	my $time = AE::time - $time;
361		543
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
366		545
367	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
368	} else {	547	} else {
369	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
370		549
…		…
390	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
391		570
392	$coro	571	$coro
393	}	572	}
394		573
395	sub write_runtime {	574	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		575
398	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
400		580
401	IO::AIO::aio_utime $runtime, undef, undef;	581	=cut
402		582
403	my $guard = cf::lock_acquire "write_runtime";	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
404		585
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	586	# we seemingly have to make a local copy of the whole thing,
406	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
407		589
408	my $value = $cf::RUNTIME + 90 + 10;	590	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	591	reset_signals;
410	# 60 allows for the watchdog to kill the server.	592	&$cb
		593	}, @args;
411		594
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	wantarray ? @res : $res[-1]
413	and return;	596	}
414		597
415	# always fsync - this file is important	598	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
431	}	761	}
432		762
433	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
434		764
435	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		777
448	#############################################################################	778	#############################################################################
449		779
450	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
451		781
452	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
455		785
456	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	788	Deliantra).
459		789
460	=over 4	790	=over 4
461		791
462	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
463		793
…		…
507	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
508		838
509	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
511		841
512	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
514		844
515	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
516		846
517	=over 4	847	=over 4
…		…
665	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
666	}	996	}
667		997
668	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
669	} else {	999	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	1001	}
672		1002
673	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
674	}	1004	}
675		1005
…		…
715	";	1045	";
716	die if $@;	1046	die if $@;
717	}	1047	}
718		1048
719	our $override;	1049	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1051
722	sub override {	1052	sub override {
723	$override = 1;	1053	$override = 1;
724	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
725	}	1055	}
726		1056
727	sub do_invoke {	1057	sub do_invoke {
728	my $event = shift;	1058	my $event = shift;
729	my $callbacks = shift;	1059	my $callbacks = shift;
730		1060
731	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
732		1062
733	local $override;	1063	local $override;
734		1064
735	for (@$callbacks) {	1065	for (@$callbacks) {
736	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
745	}	1075	}
746		1076
747	0	1077	0
748	}	1078	}
749		1079
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1081
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1083
754	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
755		1085
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1089
760	=back	1090	=back
761		1091
762	=cut	1092	=cut
763		1093
764	#############################################################################	1094	#############################################################################
765	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
766		1138
767	sub reattach {	1139	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1141	my ($obj) = @_;
770		1142
		1143	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1145
773	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
774		1147
775	@$registry = ();	1148	@$registry = ();
776		1149
…		…
791	cf::attachable->attach (	1164	cf::attachable->attach (
792	prio => -1000000,	1165	prio => -1000000,
793	on_instantiate => sub {	1166	on_instantiate => sub {
794	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
795		1168
796	$data = from_json $data;	1169	$data = decode_json $data;
797		1170
798	for (@$data) {	1171	for (@$data) {
799	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
800		1173
801	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1190	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
819		1192
820	sync_job {	1193	sync_job {
821	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
824		1198
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
829	close $fh;	1206	aio_close $fh;
830		1207
831	if (@$objs) {	1208	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
837	close $fh;	1217	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
839	}	1219	}
840	} else {	1220	} else {
841	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
842	}	1222	}
843		1223
844	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1228	} else {
846	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
847	}	1230	}
848	} else {	1231	} else {
849	aio_unlink $filename;	1232	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
851	}	1234	}
852	}	1235	};
853	}	1236	}
854		1237
855	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
857		1240
…		…
869	or return;	1252	or return;
870		1253
871	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
873	or return;	1256	or return;
		1257
874	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
875	}	1260	}
876		1261
		1262	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
879	return ($data, $av);	1266	($data, $av)
880	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
881		1274
882	#############################################################################	1275	#############################################################################
883	# command handling &c	1276	# command handling &c
884		1277
885	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1292	}
900		1293
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1295
903	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
904		1301
905	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
906	called.	1303	called.
907		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
908	=cut	1316	=cut
909		1317
910	sub register_extcmd {	1318	sub register_extcmd {
911	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
912		1320
913	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
914	}	1322	}
915		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
916	cf::player->attach (	1332	cf::player->attach (
917	on_command => sub {	1333	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
919		1335
920	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
921	or return;	1337	or return;
922		1338
…		…
927	cf::override;	1343	cf::override;
928	},	1344	},
929	on_extcmd => sub {	1345	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
931		1347
932	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1349
934	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
940	} else {	1365	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1367	}
943		1368
944	cf::override;	1369	cf::override;
945	},	1370	},
946	);	1371	);
947		1372
		1373	# "readahead" all extensions
948	sub load_extension {	1374	sub cache_extensions {
949	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
950		1376
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1380	}
976	die $@;
977	}	1381	};
978		1382
979	push @EXTS, $pkg;	1383	$grp
980	}	1384	}
981		1385
982	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
983	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1391	next unless -r $path;
985	eval {	1392
986	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
987	1	1456	}
988	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
989	}	1467	};
990	}	1468	}
991		1469
992	#############################################################################	1470	#############################################################################
993		1471
		1472	=back
		1473
994	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
995		1475
996	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
997		1477
998	=cut	1478	=cut
999		1479
1000	package cf::player;	1480	package cf::player;
1001		1481
1002	use Coro::AIO;	1482	use Coro::AIO;
1003		1483
1004	=head3 cf::player	1484	=head3 cf::player
1005		1485
1006	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1007		1501
1008	=item cf::player::find $login	1502	=item cf::player::find $login
1009		1503
1010	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1011		1505
…		…
1030		1524
1031	sub exists($) {	1525	sub exists($) {
1032	my ($login) = @_;	1526	my ($login) = @_;
1033		1527
1034	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1036	}	1530	}
1037		1531
1038	sub find($) {	1532	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1534	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1545
1052	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1055	}	1555	}
1056	}	1556	}
1057	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1058		1571
1059	sub save($) {	1572	sub save($) {
1060	my ($pl) = @_;	1573	my ($pl) = @_;
1061		1574
1062	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1068		1581
1069	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1071		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1072	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1073	Coro::cede;	1591	cf::cede_to_tick;
1074	}	1592	}
1075		1593
1076	sub new($) {	1594	sub new($) {
1077	my ($login) = @_;	1595	my ($login) = @_;
1078		1596
…		…
1084	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1085		1603
1086	$self	1604	$self
1087	}	1605	}
1088		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1089	=item $pl->quit_character	1617	=item $pl->quit_character
1090		1618
1091	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1093		1621
…		…
1097	my ($pl) = @_;	1625	my ($pl) = @_;
1098		1626
1099	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1100		1628
1101	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1631
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1108		1638
1109	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1676	or return [];
1147		1677
1148	my @logins;	1678	my @logins;
1149		1679
1150	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1154		1690
1155	utf8::decode $login;	1691	utf8::decode $login;
1156	push @logins, $login;	1692	push @logins, $login;
1157	}	1693	}
1158		1694
…		…
1185	}	1721	}
1186		1722
1187	\@paths	1723	\@paths
1188	}	1724	}
1189		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1190	=item $player->ext_reply ($msgid, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1191		1731
1192	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1193		1733
1194	=cut	1734	=cut
1195		1735
1196	sub ext_reply($$%) {	1736	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1198		1738
1199	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1740	}
1203		1741
1204	=item $player->ext_event ($type, %msg)	1742	=item $player->ext_msg ($type, @msg)
1205		1743
1206	Sends an ext event to the client.	1744	Sends an ext event to the client.
1207		1745
1208	=cut	1746	=cut
1209		1747
1210	sub ext_event($$%) {	1748	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1749	my ($self, $type, @msg) = @_;
1212		1750
1213	$self->ns->ext_event ($type, %msg);	1751	$self->ns->ext_msg ($type, @msg);
1214	}	1752	}
1215		1753
1216	=head3 cf::region	1754	=head3 cf::region
1217		1755
1218	=over 4	1756	=over 4
…		…
1221		1759
1222	package cf::region;	1760	package cf::region;
1223		1761
1224	=item cf::region::find_by_path $path	1762	=item cf::region::find_by_path $path
1225		1763
1226	Tries to decuce the probable region for a map knowing only its path.	1764	Tries to decuce the likely region for a map knowing only its path.
1227		1765
1228	=cut	1766	=cut
1229		1767
1230	sub find_by_path($) {	1768	sub find_by_path($) {
1231	my ($path) = @_;	1769	my ($path) = @_;
1232		1770
1233	my ($match, $specificity);	1771	my ($match, $specificity);
1234		1772
1235	for my $region (list) {	1773	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1774	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1775	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1776	if $region->specificity > $specificity;
1239	}	1777	}
1240	}	1778	}
1241		1779
…		…
1262	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1264		1802
1265	sub generate_random_map {	1803	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1267	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1809	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1361	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1362	return $self;	1903	return $self;
1363	}	1904	}
1364	}	1905	}
1365		1906
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1908	()
1368	}	1909	}
1369		1910
1370	sub init {	1911	sub init {
1371	my ($self) = @_;	1912	my ($self) = @_;
…		…
1393		1934
1394	# the temporary/swap location	1935	# the temporary/swap location
1395	sub save_path {	1936	sub save_path {
1396	my ($self) = @_;	1937	my ($self) = @_;
1397		1938
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1400	}	1941	}
1401		1942
1402	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1403	sub uniq_path {	1944	sub uniq_path {
1404	my ($self) = @_;	1945	my ($self) = @_;
1405		1946
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1948	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1949	}
1418		1950
1419	sub decay_objects {	1951	sub decay_objects {
1420	my ($self) = @_;	1952	my ($self) = @_;
1421		1953
…		…
1434		1966
1435	sub load_header_from($) {	1967	sub load_header_from($) {
1436	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1437		1969
1438	utf8::encode $path;	1970	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1444		1979
1445	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1446		1981
1447	1	1982	1
1448	}	1983	}
…		…
1502	sub find {	2037	sub find {
1503	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1504		2039
1505	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1506		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2044
1509	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1512	or return;	2047	or return;
1513		2048
1514	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1515		2050
…		…
1517	or return;	2052	or return;
1518		2053
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1522	$map->reset;	2059	$map->reset;
1523	undef $guard;
1524	return find $path;	2060	return find $path;
1525	}	2061	}
1526		2062
1527	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1528	}	2064	}
1529	}	2065	}
1530		2066
1531	sub pre_load { }	2067	sub pre_load { }
1532	sub post_load { }	2068	#sub post_load { } # XS
1533		2069
1534	sub load {	2070	sub load {
1535	my ($self) = @_;	2071	my ($self) = @_;
1536		2072
1537	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1538		2074
1539	my $path = $self->{path};	2075	my $path = $self->{path};
1540		2076
1541	{	2077	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1543		2079
		2080	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2082
1546	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1547		2084
1548	$self->alloc;	2085	$self->alloc;
1549		2086
1550	$self->pre_load;	2087	$self->pre_load;
1551	Coro::cede;	2088	cf::cede_to_tick;
1552		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2092	$self->_load_objects ($f)
1554	or return;	2093	or return;
1555		2094
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1557	if delete $self->{load_original};	2096	if delete $self->{load_original};
1558		2097
1559	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2099	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2102	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1564	}	2106	}
1565	}	2107	}
1566		2108
1567	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1568	# now do the right thing for maps	2112	# now do the right thing for maps
1569	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2115	unless $self->difficulty;
1572	Coro::cede;	2116	cf::cede_to_tick;
1573		2117
1574	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2119	$self->decay_objects;
1576	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
1577	$self->update_buttons;	2121	$self->update_buttons;
1578	Coro::cede;	2122	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2123	$self->activate;
1582	}	2124	}
1583		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2130	}
1586		2131
1587	$self->post_load;	2132	$self->post_load;
1588	}	2133	}
1589		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2138	sub customise_for {
1591	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1592		2140
1593	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2142	if $self->per_player;
…		…
1598		2146
1599	$self	2147	$self
1600	}	2148	}
1601		2149
1602	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2151	sub load_neighbours {
1604	my ($map) = @_;	2152	my ($map) = @_;
1605		2153
1606	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1607		2155
1608	for (0 .. 3) {	2156	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1610	or next;	2158	or next;
1611	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1612	or next;	2160	or next;
1613	$neigh->load;	2161	$neigh->load;
1614		2162
		2163	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2166	}
1618		2167
1619	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1621	or next;	2171	or next;
1622	$neigh->load;	2172	$neigh->load;
1623	}	2173	}
1624	}	2174	}
1625		2175
…		…
1630	}	2180	}
1631		2181
1632	sub do_load_sync {	2182	sub do_load_sync {
1633	my ($map) = @_;	2183	my ($map) = @_;
1634		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1635	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1636	}	2189	}
1637		2190
1638	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1640		2193
1641	sub find_async {	2194	sub find_async {
1642	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1643		2196
1644	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1645		2198
1646	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2201	}
1649		2202
1650	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1651	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1652	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2210	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2211	$map->load if $v;
		2212	}
1657		2213
1658	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1659	}	2215	}
1660	}	2216	}
1661	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1662	};	2218	};
1663	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1664		2220
1665	()	2221	()
1666	}	2222	}
1667		2223
		2224	# common code, used by both ->save and ->swapout
1668	sub save {	2225	sub _save {
1669	my ($self) = @_;	2226	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2227
1673	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1674		2229
1675	return unless $self->dirty;	2230	return unless $self->dirty;
1676		2231
…		…
1682	return if $self->{deny_save};	2237	return if $self->{deny_save};
1683		2238
1684	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1685		2240
1686	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1688	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1689		2247
1690	if ($uniq) {	2248	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2251	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2253	}
1696	}	2254	}
1697		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1698	sub swap_out {	2264	sub swap_out {
1699	my ($self) = @_;	2265	my ($self) = @_;
1700		2266
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1706	return if $self->players;	2271	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1710	$self->clear;	2282	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2283	}
1713		2284
1714	sub reset_at {	2285	sub reset_at {
1715	my ($self) = @_;	2286	my ($self) = @_;
1716		2287
…		…
1734		2305
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2307
1737	return if $self->players;	2308	return if $self->players;
1738		2309
1739	warn "resetting map ", $self->path;	2310	warn "resetting map ", $self->path, "\n";
1740		2311
1741	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
1742		2313
1743	# need to save uniques path	2314	# need to save uniques path
1744	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2319	if $uniq;
1749	}	2320	}
1750		2321
1751	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1752		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2326	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2327
1757	$self->unlink_save;	2328	$self->unlink_save;
1758	$self->destroy;	2329	$self->destroy;
1759	}	2330	}
1760		2331
1761	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1762		2333
1763	sub nuke {	2334	sub nuke {
1764	my ($self) = @_;	2335	my ($self) = @_;
1765		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1766	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1767		2341
1768	$self->unlink_save;	2342	$self->unlink_save;
1769		2343
1770	bless $self, "cf::map";	2344	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2349
1776	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1777		2352
1778	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
1779	}	2354	}
1780		2355
1781	=item $maps = cf::map::tmp_maps	2356	=item $maps = cf::map::tmp_maps
…		…
1823		2398
1824	sub unique_maps() {	2399	sub unique_maps() {
1825	[	2400	[
1826	map {	2401	map {
1827	utf8::decode $_;	2402	utf8::decode $_;
1828	/\.map$/	2403	s/\.map$//; # TODO future compatibility hack
		2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
1829	? normalise $_	2406	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2407	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2408	]
1833	}	2409	}
1834		2410
1835	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1836		2442
1837	=back	2443	=back
1838		2444
1839	=head3 cf::object	2445	=head3 cf::object
1840		2446
…		…
1844		2450
1845	=over 4	2451	=over 4
1846		2452
1847	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1848		2454
1849	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1850		2457
1851	=cut	2458	=cut
1852		2459
1853	sub inv_recursive_;	2460	sub inv_recursive_;
1854	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1857		2464
1858	sub inv_recursive {	2465	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1860	}	2467	}
1861		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1862	package cf;	2497	package cf;
1863		2498
1864	=back	2499	=back
1865		2500
1866	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1872	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1873	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1874	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1875		2510
1876	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1877		2526
1878	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2528	# with dialog boxes.
1880	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1881	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1883		2532
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2534
1886	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1888	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1891	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1892	}	2560	}
1893		2561
1894	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1895		2563
1896	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1909		2577
1910	=item $player_object->enter_link	2578	=item $player_object->enter_link
1911		2579
1912	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1913		2581
1914	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1915	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1916		2586
1917	Will never block.	2587	Will never block.
1918		2588
1919	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1920		2590
…		…
1945	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1946		2616
1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1948	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
1949		2619
1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1951	}	2621	}
1952		2622
1953	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1954	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
1955		2625
…		…
1972	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1974		2644
1975	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1978		2648
1979	$map->load;	2649	$map->load;
1980	$map->load_diag;	2650	$map->load_neighbours;
1981		2651
1982	return unless $self->contr->active;	2652	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2653
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
1987	}
1988		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
		2659	}
		2660
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2662
1991	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2664	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2665	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2666	the new (success) or old (failed) map position. In either case, $done will
		2667	be called at the end of this process.
		2668
		2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
1995		2671
1996	=cut	2672	=cut
1997		2673
1998	our $GOTOGEN;	2674	our $GOTOGEN;
1999		2675
2000	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2678
2003	# do generation counting so two concurrent goto's will be executed in-order	2679	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2681
2006	$self->enter_link;	2682	$self->enter_link;
2007		2683
2008	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
2009	my $map = eval {	2706	my $map = eval {
2010	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
2011		2708
2012	if ($map) {	2709	if ($map) {
2013	$map = $map->customise_for ($self);	2710	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2711	$map = $check->($map) if $check && $map;
2015	} else {	2712	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2714	}
2018		2715
2019	$map	2716	$map
2020	};	2717	};
2021		2718
…		…
2026		2723
2027	if ($gen == $self->{_goto_generation}) {	2724	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2725	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
2030	}	2727	}
		2728
		2729	$done->() if $done;
2031	})->prio (1);	2730	})->prio (1);
2032	}	2731	}
2033		2732
2034	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
2035		2734
…		…
2055	}	2754	}
2056		2755
2057	sub prepare_random_map {	2756	sub prepare_random_map {
2058	my ($exit) = @_;	2757	my ($exit) = @_;
2059		2758
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2761	# that depends on the exit object
2065		2762
2066	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2765	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2073	}	2772	}
2074		2773
2075	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2076		2775
2077	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2080		2779
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2782	undef $fh;
2084	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2085		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2088	}	2791	}
2089	}	2792	}
2090		2793
2091	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2093		2796
2094	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2095		2798
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2799	$self->enter_link;
2108		2800
2109	(async {	2801	(async {
2110	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2111	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2112	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2113		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2114	1;	2825	1
2115	}) {	2826	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2118	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2831
2121	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2140		2851
2141	utf8::encode $text;	2852	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2854	}
2144		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
2145	=item $client->ext_event ($type, %msg)	3043	=item $client->ext_msg ($type, @msg)
2146		3044
2147	Sends an exti event to the client.	3045	Sends an ext event to the client.
2148		3046
2149	=cut	3047	=cut
2150		3048
2151	sub cf::client::ext_event($$%) {	3049	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	3050	my ($self, $type, @msg) = @_;
2153		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	3055	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
2156	}	3076	}
2157		3077
2158	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2159		3079
2160	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		3083
2164	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	3085	become reliable at some point in the future.
2166		3086
2167	=cut	3087	=cut
2168		3088
2169	sub cf::client::query {	3089	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3098	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3100
2181	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
2183	}	3105	}
2184		3106
2185	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
2186	on_reply => sub {	3113	on_reply => sub {
2187	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
2188		3115
2189	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
2190	# get handled first	3117	# get handled first
…		…
2202	} else {	3129	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3131	}
2205	}	3132	}
2206	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
2207	);	3160	);
2208		3161
2209	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
2210		3163
2211	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
2227		3180
2228	$coro	3181	$coro
2229	}	3182	}
2230		3183
2231	cf::client->attach (	3184	cf::client->attach (
2232	on_destroy => sub {	3185	on_client_destroy => sub {
2233	my ($ns) = @_;	3186	my ($ns) = @_;
2234		3187
2235	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2236	},	3189	},
2237	);	3190	);
…		…
2252	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2254		3207
2255	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2256		3209
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2258		3215
2259	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2260		3217
2261	=pod	3218	=pod
2262		3219
2263	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2264		3221
2265	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2266	cf::object::player player	3227	cf::object::player
2267	cf::player peaceful	3228	player
2268	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2269		3235
2270	=cut	3236	=cut
2271		3237
2272	for (	3238	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2274	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2277	) {	3245	) {
2278	no strict 'refs';	3246	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2298		3266
2299	my $qcode = $code;	3267	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2302		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2303	local $_;	3274	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;
2305		3275
2306	my $eval =	3276	my $eval =
2307	"do {\n"	3277	"do {\n"
2308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2309	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2310	. $code	3280	. $code
2311	. "\n}"	3281	. "\n}"
2312	;	3282	;
2313		3283
		3284	if ($CFG{safe_eval}) {
2314	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2315	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2316	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2317		3293
2318	if ($@) {	3294	if ($@) {
2319	warn "$@";	3295	warn "$@";
2320	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2321	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2340	=cut	3316	=cut
2341		3317
2342	sub register_script_function {	3318	sub register_script_function {
2343	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2344		3320
2345	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2346	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2347	}	3323	}
2348		3324
2349	=back	3325	=back
2350		3326
2351	=cut	3327	=cut
2352
2353	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524		3328
2525	#############################################################################	3329	#############################################################################
2526	# the server's init and main functions	3330	# the server's init and main functions
2527		3331
2528	sub load_facedata($) {	3332	sub load_facedata($) {
2529	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3340
2531	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2532		3342
2533	my $facedata;	3343	my $facedata;
2534	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2538		3348
2539	$facedata->{version} == 2	3349	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2542	{	3361	{
2543	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2544		3363
2545	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2550	Coro::cede;	3371
		3372	cf::cede_to_tick;
2551	}	3373	}
2552		3374
2553	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2555	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2556	or next;	3379	or next;
		3380
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3384	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3386	}
2562	Coro::cede;	3387
		3388	cf::cede_to_tick;
2563	}	3389	}
2564	}	3390	}
2565		3391
2566	{	3392	{
2567	my $anims = $facedata->{animinfo};	3393	my $anims = $facedata->{animinfo};
2568		3394
2569	while (my ($anim, $info) = each %$anims) {	3395	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3397	cf::cede_to_tick;
2572	}	3398	}
2573		3399
2574	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2575	}	3401	}
2576		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
2577	1	3422	1
2578	}	3423	}
2579		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2580	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2581	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2583	}	3475	}
2584		3476
2585	sub reload_facedata {	3477	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2598	}	3490	}
2599		3491
2600	sub reload_resources {	3492	sub reload_resources {
2601	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2602		3494
		3495	reload_facedata;
		3496	reload_archetypes;
2603	reload_regions;	3497	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3498	reload_treasures;
2608		3499
2609	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
2610	}	3501	}
2611		3502
2612	sub init {	3503	sub reload_config {
2613	reload_resources;	3504	warn "reloading config file...\n";
2614	}
2615		3505
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3507	or return;
2619		3508
2620	local $/;	3509	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2622		3511
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3513
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2631	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2632	};	3521	};
2633	warn $@ if $@;	3522	warn $@ if $@;
2634	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2635	}	3554	}
2636		3555
2637	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2638	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3569	(async {
2642	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2644	};	3573	};
2645		3574
2646	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
2647	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2648	load_extensions;	3598	load_extensions;
2649		3599
2650	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2651	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2652	}	3613	}
2653		3614
2654	#############################################################################	3615	#############################################################################
2655	# initialisation and cleanup	3616	# initialisation and cleanup
2656		3617
2657	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2658	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2667	},
2668	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2669	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2670	}	3714	}
2671		3715
2672	sub emergency_save() {	3716	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2674		3718
2675	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2676		3720
2677	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2678	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3735	$pl->save;
2686	}	3736	}
2687	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2688		3738
2689	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3742	$map->valid or next;
2693	$map->save;	3743	$map->save;
2694	}	3744	}
2695	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2696		3746
2697	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2700	};	3754	};
2701		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2702	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2703	}	3762	}
2704		3763
2705	sub post_cleanup {	3764	sub post_cleanup {
2706	my ($make_core) = @_;	3765	my ($make_core) = @_;
2707		3766
2708	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
2710	}	3797	}
2711		3798
2712	sub do_reload_perl() {	3799	sub do_reload_perl() {
2713	# can/must only be called in main	3800	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2715	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2716	return;	3803	return;
2717	}	3804	}
2718		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2719	warn "reloading...";	3811	warn "reloading...";
2720		3812
2721	warn "entering sync_job";	3813	warn "entering sync_job";
2722		3814
2723	cf::sync_job {	3815	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3817	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
2727		3819
2728	warn "syncing database to disk";	3820	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3822
2731	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2732		3824
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3828	}
2769		3829
2770	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2772	}	3832	%EXT_CORO = ();
2773		3833
2774	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3843	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3844
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2785	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2786	}	3854	}
2787		3855
2788	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2789	}	3871	}
2790		3872
2791	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3876
2795	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3880
2799	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3882	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2802		3884
2803	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2804		3886
2805	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2806	require cf;	3888	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2808		3890
2809	warn "loading config and database again";	3891	warn "loading config and database again";
2810	cf::cfg_load;	3892	cf::reload_config;
2811		3893
2812	warn "loading extensions";	3894	warn "loading extensions";
2813	cf::load_extensions;	3895	cf::load_extensions;
2814		3896
		3897	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
2821		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
2822	warn "leaving sync_job";	3909	warn "leaving sync_job";
2823		3910
2824	1	3911	1
2825	} or do {	3912	} or do {
2826	warn $@;	3913	warn $@;
2827	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3915	};
2830		3916
2831	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
2832	};	3923	};
2833		3924
2834	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
2835		3926
2836	sub reload_perl() {	3927	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
2839		3930
2840	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3933
2843	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3935	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
2847	},	3937	};
2848	);	3938	};
2849	}	3939	}
2850		3940
2851	register_command "reload" => sub {	3941	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2853		3943
2854	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3948	reload_perl;
		3949	};
2857	}	3950	}
2858	};	3951	};
2859		3952
2860	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2861		3954
…		…
2863		3956
2864	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
2866		3959
2867	sub wait_for_tick {	3960	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2870		3962
2871	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3965	$signal->wait;
2874	}	3966	}
2875		3967
2876	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2879		3970
2880	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3973	$signal->wait;
2883	}	3974	}
2884		3975
2885	my $min = 1e6;#d#	3976	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
2897	return;	3980	return;
2898	}	3981	}
2899		3982
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2903		3984
2904	0 && sync_job {#d#	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		3986
2910	$map->width (50);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	3989	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	3990	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	3991	write_runtime_sync
2915		3992	or warn "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3993	};
		3994	}
2926		3995
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3997	$sig->send;
2943	}	3998	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	4000	$sig->send;
2946	}	4001	}
2947		4002
2948	$NOW = Event::time;	4003	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		4005
2959	_post_tick;	4006	if (0) {
2960		4007	if ($NEXT_TICK) {
2961		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
2962	},	4012	}
2963	);	4013	}
2964		4014
2965	{	4015	{
2966	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	4017
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
2976		4019	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		4021
2992	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		4029
2995	cf::sync_job {	4030	cf::sync_job {
2996	eval {	4031	eval {
2997	BDB::db_env_open	4032	BDB::db_env_open
2998	$DB_ENV,	4033	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	4037	0666;
3003		4038
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	4040	};
3009		4041
3010	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	4043	};
3012	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
3013	}	4055	}
3014		4056
3015	{	4057	{
		4058	# configure IO::AIO
		4059
3016	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4063	}
3029		4064
3030	my $_log_backtrace;	4065	my $_log_backtrace;
3031		4066
3032	sub _log_backtrace {	4067	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
3036		4071
3037	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
3040	async {	4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
3041	my @bt = fork_call {	4079	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	4083	or die "addr2line: $!";
…		…
3053	}	4091	}
3054		4092
3055	@funcs	4093	@funcs
3056	};	4094	};
3057		4095
3058	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4099	--$_log_backtrace;
3061	};	4100	};
3062	} else {	4101	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3065	}	4104	}
3066	}	4105	}
3067		4106
3068	# load additional modules	4107	# load additional modules
3069	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3070		4110
3071	END { cf::emergency_save }	4111	END { cf::emergency_save }
3072		4112
3073	1	4113	1
3074		4114

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