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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.526 by root, Wed Apr 21 05:48:35 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
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		115
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	118	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		150
101	binmode STDOUT;	151	binmode STDOUT;
102	binmode STDERR;	152	binmode STDERR;
103		153
104	# read virtual server time, if available	154	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
109	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
110		162
111	mkdir $_	163	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		165
114	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
115		167
116	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::"} };
117		184
118	#############################################################################	185	#############################################################################
119		186
120	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
121		188
…		…
157		224
158	The raw value load value from the last tick.	225	The raw value load value from the last tick.
159		226
160	=item %cf::CFG	227	=item %cf::CFG
161		228
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	230	from wherever your confdir points to.
164		231
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		233
167	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
168	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
169	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.
170		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
171	=back	250	=back
172		251
173	=cut	252	=cut
174		253
175	BEGIN {	254	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	255	my $msg = join "", @_;
178		256
179	$msg .= "\n"	257	$msg .= "\n"
180	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
181		259
182	$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;
183		261
184	utf8::encode $msg;
185	LOG llevError, $msg;	262	LOG llevError, $msg;
186	};	263	};
187	}	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	};
188		278
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	289	for my $pkg (qw(
200	cf::global cf::attachable	290	cf::global cf::attachable
201	cf::object cf::object::player	291	cf::object cf::object::player
202	cf::client cf::player	292	cf::client cf::player
203	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
204	cf::map cf::party cf::region	295	cf::party cf::region
205	)) {	296	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	298	}
209		299
210	$Event::DIED = sub {	300	$EV::DIED = sub {
211	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
212	};	302	};
213		303
214	#############################################################################	304	#############################################################################
215		305
216	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	329	$d
240	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
241	}	331	}
242		332
243	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
244		334
245	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
246		336
247	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
248		338
249	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
250		340
251	=cut	341	=cut
252		342
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		344
255	sub to_json ($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		361
258	=item cf::lock_wait $string	362	=item cf::lock_wait $string
259		363
260	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
261		365
262	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
263		367
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
267	returned.	371	returned.
268		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
269	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
270	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
271		378
272	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
273		380
274	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.
275		382
276	=cut	383	=cut
277		384
278	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
279		386
280	sub lock_wait($) {	387	sub lock_wait($) {
281	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	389	}
289		390
290	sub lock_acquire($) {	391	sub lock_acquire($) {
291	my ($key) = @_;	392	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	393	}
303		394
304	sub lock_active($) {	395	sub lock_active($) {
305	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	397	}
309		398
310	sub freeze_mainloop {	399	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
312		401
313	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
315	};	469	}
316	$TICK_WATCHER->stop;	470	};
317	$guard	471
		472	sub get_slot($;$$) {
		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	$sig->wait;
318	}	485	}
319		486
320	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
321		488
322	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		494
328	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
329		496
330	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
331		498
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	500	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	502	acceptable.
336		503
337	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		510
344	sub sync_job(&) {	511	sub sync_job(&) {
345	my ($job) = @_;	512	my ($job) = @_;
346		513
347	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	515	my $time = AE::time;
349		516
350	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
352		519
353	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	521
355	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
356		523
357	my $busy = 1;	524	my $busy = 1;
358	my @res;	525	my @res;
359		526
360	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	529	@res = eval { $job->() };
362	warn $@ if $@;	530	warn $@ if $@;
363	undef $busy;	531	undef $busy;
364	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
365		533
366	while ($busy) {	534	while ($busy) {
367	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
368	}	539	}
		540	}
369		541
370	$time = Event::time - $time;	542	my $time = AE::time - $time;
371		543
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
376		545
377	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
378	} else {	547	} else {
379	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
380		549
…		…
405	=item fork_call { }, $args	574	=item fork_call { }, $args
406		575
407	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
411		580
412	=cut	581	=cut
413		582
414	sub fork_call(&@) {	583	sub fork_call(&@) {
415	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
416		585
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	586	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		589
422	if (my $pid = fork) {	590	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	591	reset_signals;
435	local $SIG{__WARN__};	592	&$cb
436	local $SIG{__DIE__};	593	}, @args;
437	eval {
438	close $fh1;
439		594
440	my @res = eval { $cb->(@args) };	595	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	596	}
442	};
443		597
444	warn $@ if $@;	598	sub objinfo {
445	_exit 0;
446	}	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
447	}	634	}
448		635
449	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
450		637
451	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
454		641
455	Stores the given C<$value> in the family. It can currently store binary	642	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		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
458	=cut	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	}
459		668
460	our $DB;	669	our $DB;
461		670
462	sub db_init {	671	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	672	cf::sync_job {
467	eval {	673	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	674	};
477	}	675	}
478		676
479	sub db_get($$) {	677	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
481		679
…		…
531	if (1) {	729	if (1) {
532	$md5 =	730	$md5 =
533	join "\x00",	731	join "\x00",
534	$processversion,	732	$processversion,
535	map {	733	map {
536	Coro::cede;	734	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	736	} 0.. $#$src;
539		737
540		738
541	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		777
580	#############################################################################	778	#############################################################################
581		779
582	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
583		781
584	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
585	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")
586	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
587		785
588	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>
589	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
590	Crossfire TRT).	788	Deliantra).
591		789
592	=over 4	790	=over 4
593		791
594	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
595		793
…		…
639	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
640		838
641	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
642	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
643		841
644	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		844
647	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
648		846
649	=over 4	847	=over 4
…		…
847	";	1045	";
848	die if $@;	1046	die if $@;
849	}	1047	}
850		1048
851	our $override;	1049	our $override;
852	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?
853		1051
854	sub override {	1052	sub override {
855	$override = 1;	1053	$override = 1;
856	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
857	}	1055	}
858		1056
859	sub do_invoke {	1057	sub do_invoke {
860	my $event = shift;	1058	my $event = shift;
861	my $callbacks = shift;	1059	my $callbacks = shift;
862		1060
863	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
864		1062
865	local $override;	1063	local $override;
866		1064
867	for (@$callbacks) {	1065	for (@$callbacks) {
868	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
877	}	1075	}
878		1076
879	0	1077	0
880	}	1078	}
881		1079
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1081
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1083
886	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
887		1085
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1089
892	=back	1090	=back
893		1091
894	=cut	1092	=cut
895		1093
896	#############################################################################	1094	#############################################################################
897	# 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	}
898		1138
899	sub reattach {	1139	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1141	my ($obj) = @_;
902		1142
		1143	# no longer needed after getting rid of delete_package?
903	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
904		1145
905	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
906		1147
907	@$registry = ();	1148	@$registry = ();
908		1149
…		…
923	cf::attachable->attach (	1164	cf::attachable->attach (
924	prio => -1000000,	1165	prio => -1000000,
925	on_instantiate => sub {	1166	on_instantiate => sub {
926	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
927		1168
928	$data = from_json $data;	1169	$data = decode_json $data;
929		1170
930	for (@$data) {	1171	for (@$data) {
931	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
932		1173
933	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1190	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
951		1192
952	sync_job {	1193	sync_job {
953	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
956		1198
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1206	aio_close $fh;
962		1207
963	if (@$objs) {	1208	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1217	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
971	}	1219	}
972	} else {	1220	} else {
973	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
974	}	1222	}
975		1223
976	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1228	} else {
978	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
979	}	1230	}
980	} else {	1231	} else {
981	aio_unlink $filename;	1232	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
983	}	1234	}
984	}	1235	};
985	}	1236	}
986		1237
987	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
989		1240
…		…
1001	or return;	1252	or return;
1002		1253
1003	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1256	or return;
		1257
1006	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1007	}	1260	}
1008		1261
		1262	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1011	return ($data, $av);	1266	($data, $av)
1012	}	1267	}
1013		1268
1014	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1015		1270
1016	=over 4	1271	=over 4
…		…
1070	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1071		1326
1072	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1073	}	1328	}
1074		1329
		1330	use File::Glob ();
		1331
1075	cf::player->attach (	1332	cf::player->attach (
1076	on_command => sub {	1333	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1078		1335
1079	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1080	or return;	1337	or return;
1081		1338
…		…
1089	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1090		1347
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1349
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1099	} else {	1365	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1367	}
1102		1368
1103	cf::override;	1369	cf::override;
1104	},	1370	},
1105	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
1106		1385
1107	sub load_extensions {	1386	sub load_extensions {
1108	cf::sync_job {	1387	cf::sync_job {
1109	my %todo;	1388	my %todo;
1110		1389
…		…
1130		1409
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1412
1134	$ext{source} =	1413	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1137	. $source	1416	. $source
1138	. "\n};\n1";	1417	. "\n};\n1";
1139		1418
1140	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1141	}	1420	}
1142		1421
		1422	my $pass = 0;
1143	my %done;	1423	my %done;
1144	while (%todo) {	1424	while (%todo) {
1145	my $progress;	1425	my $progress;
1146		1426
		1427	++$pass;
		1428
		1429	ext:
1147	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1432	next ext
1150	unless exists $done{$_};	1433	unless exists $done{$_};
1151	}	1434	}
1152		1435
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1437
1155	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1160	warn $msg;	1445
1161	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1447	delete $todo{$k};
1163	}	1448	} else {
1164		1449	$done{$k} = delete $todo{$k};
1165	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1166	}	1455	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1456	}
1172		1457
1173	skip:	1458	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1176	}	1466	}
1177	};	1467	};
1178	}	1468	}
1179		1469
1180	#############################################################################	1470	#############################################################################
1181		1471
1182	=back	1472	=back
1183		1473
1184	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1185		1475
1186	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1187		1477
1188	=cut	1478	=cut
1189		1479
1190	package cf::player;	1480	package cf::player;
1191		1481
1192	use Coro::AIO;	1482	use Coro::AIO;
1193		1483
1194	=head3 cf::player	1484	=head3 cf::player
1195		1485
1196	=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	}
1197		1501
1198	=item cf::player::find $login	1502	=item cf::player::find $login
1199		1503
1200	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1201		1505
…		…
1220		1524
1221	sub exists($) {	1525	sub exists($) {
1222	my ($login) = @_;	1526	my ($login) = @_;
1223		1527
1224	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1226	}	1530	}
1227		1531
1228	sub find($) {	1532	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1534	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1545
1242	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1245	}	1555	}
1246	}	1556	}
1247	}	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	);
1248		1571
1249	sub save($) {	1572	sub save($) {
1250	my ($pl) = @_;	1573	my ($pl) = @_;
1251		1574
1252	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1258		1581
1259	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1263	Coro::cede;	1591	cf::cede_to_tick;
1264	}	1592	}
1265		1593
1266	sub new($) {	1594	sub new($) {
1267	my ($login) = @_;	1595	my ($login) = @_;
1268		1596
…		…
1274	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1275		1603
1276	$self	1604	$self
1277	}	1605	}
1278		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
1279	=item $pl->quit_character	1617	=item $pl->quit_character
1280		1618
1281	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
1282	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1283		1621
…		…
1287	my ($pl) = @_;	1625	my ($pl) = @_;
1288		1626
1289	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1290		1628
1291	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1292	$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
1293		1631
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1298		1638
1299	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1676	or return [];
1337		1677
1338	my @logins;	1678	my @logins;
1339		1679
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1344		1690
1345	utf8::decode $login;	1691	utf8::decode $login;
1346	push @logins, $login;	1692	push @logins, $login;
1347	}	1693	}
1348		1694
1349	\@logins	1695	\@logins
1350	}	1696	}
1351		1697
1352	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1353		1701
1354	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1355	player. May block.	1703	player. May block.
1356		1704
1357	=cut	1705	=cut
…		…
1375	}	1723	}
1376		1724
1377	\@paths	1725	\@paths
1378	}	1726	}
1379		1727
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1729
1382	Expand crossfire pod fragments into protocol xml.	1730	Expand deliantra pod fragments into protocol xml.
1383		1731
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1431		1733
1432	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1433		1735
1434	=cut	1736	=cut
1435		1737
1436	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1438		1740
1439	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1742	}
1442		1743
1443	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1444		1745
1445	Sends an ext event to the client.	1746	Sends an ext event to the client.
1446		1747
1447	=cut	1748	=cut
1448		1749
1449	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1451		1752
1452	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1453	}	1754	}
1454		1755
1455	=head3 cf::region	1756	=head3 cf::region
1456		1757
1457	=over 4	1758	=over 4
…		…
1467	=cut	1768	=cut
1468		1769
1469	sub find_by_path($) {	1770	sub find_by_path($) {
1470	my ($path) = @_;	1771	my ($path) = @_;
1471		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1472	my ($match, $specificity);	1775	my ($match, $specificity);
1473		1776
1474	for my $region (list) {	1777	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1478	}	1781	}
1479	}	1782	}
1480		1783
…		…
1501	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1503		1806
1504	sub generate_random_map {	1807	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1506	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1813	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1536		1842
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1844	}
1539		1845
1540	# also paths starting with '/'	1846	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1848
1543	sub thawer_merge {	1849	sub thawer_merge {
1544	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1545		1851
1546	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
…		…
1600	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1601	return $self;	1907	return $self;
1602	}	1908	}
1603	}	1909	}
1604		1910
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1912	()
1607	}	1913	}
1608		1914
1609	sub init {	1915	sub init {
1610	my ($self) = @_;	1916	my ($self) = @_;
…		…
1632		1938
1633	# the temporary/swap location	1939	# the temporary/swap location
1634	sub save_path {	1940	sub save_path {
1635	my ($self) = @_;	1941	my ($self) = @_;
1636		1942
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1639	}	1945	}
1640		1946
1641	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1642	sub uniq_path {	1948	sub uniq_path {
1643	my ($self) = @_;	1949	my ($self) = @_;
1644		1950
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1953	}
1657		1954
1658	sub decay_objects {	1955	sub decay_objects {
1659	my ($self) = @_;	1956	my ($self) = @_;
1660		1957
…		…
1673		1970
1674	sub load_header_from($) {	1971	sub load_header_from($) {
1675	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1676		1973
1677	utf8::encode $path;	1974	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1683		1983
1684	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1685		1985
1686	1	1986	1
1687	}	1987	}
…		…
1741	sub find {	2041	sub find {
1742	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1743		2043
1744	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1745		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2048
1748	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1751	or return;	2051	or return;
1752		2052
1753	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1754		2054
…		…
1756	or return;	2056	or return;
1757		2057
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1761	$map->reset;	2063	$map->reset;
1762	undef $guard;
1763	return find $path;	2064	return find $path;
1764	}	2065	}
1765		2066
1766	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1767	}	2068	}
1768	}	2069	}
1769		2070
1770	sub pre_load { }	2071	sub pre_load { }
1771	sub post_load { }	2072	#sub post_load { } # XS
1772		2073
1773	sub load {	2074	sub load {
1774	my ($self) = @_;	2075	my ($self) = @_;
1775		2076
1776	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1777		2078
1778	my $path = $self->{path};	2079	my $path = $self->{path};
1779		2080
1780	{	2081	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1782		2083
		2084	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2086
1785	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1786		2088
1787	$self->alloc;	2089	$self->alloc;
1788		2090
1789	$self->pre_load;	2091	$self->pre_load;
1790	Coro::cede;	2092	cf::cede_to_tick;
1791		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1793	or return;	2097	or return;
1794		2098
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1796	if delete $self->{load_original};	2100	if delete $self->{load_original};
1797		2101
1798	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2103	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2106	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1803	}	2110	}
1804	}	2111	}
1805		2112
1806	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1807	# now do the right thing for maps	2116	# now do the right thing for maps
1808	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2119	unless $self->difficulty;
1811	Coro::cede;	2120	cf::cede_to_tick;
1812		2121
1813	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2123	$self->decay_objects;
1815	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1816	$self->update_buttons;	2125	$self->update_buttons;
1817	Coro::cede;	2126	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2127	$self->activate;
1821	}	2128	}
1822		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2134	}
1825		2135
1826	$self->post_load;	2136	$self->post_load;
1827	}	2137	}
1828		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2142	sub customise_for {
1830	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1831		2144
1832	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2146	if $self->per_player;
…		…
1837		2150
1838	$self	2151	$self
1839	}	2152	}
1840		2153
1841	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2155	sub load_neighbours {
1843	my ($map) = @_;	2156	my ($map) = @_;
1844		2157
1845	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1846		2159
1847	for (0 .. 3) {	2160	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1849	or next;	2162	or next;
1850	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1851	or next;	2164	or next;
1852	$neigh->load;	2165	$neigh->load;
1853		2166
		2167	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2170	}
1857		2171
1858	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1860	or next;	2175	or next;
1861	$neigh->load;	2176	$neigh->load;
1862	}	2177	}
1863	}	2178	}
1864		2179
…		…
1869	}	2184	}
1870		2185
1871	sub do_load_sync {	2186	sub do_load_sync {
1872	my ($map) = @_;	2187	my ($map) = @_;
1873		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1874	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1875	}	2193	}
1876		2194
1877	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1879		2197
1880	sub find_async {	2198	sub find_async {
1881	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1882		2200
1883	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1884		2202
1885	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2205	}
1888		2206
1889	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1890	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1891	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2214	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2215	$map->load if $v;
		2216	}
1896		2217
1897	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1898	}	2219	}
1899	}	2220	}
1900	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1901	};	2222	};
1902	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1903		2224
1904	()	2225	()
1905	}	2226	}
1906		2227
		2228	# common code, used by both ->save and ->swapout
1907	sub save {	2229	sub _save {
1908	my ($self) = @_;	2230	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2231
1912	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1913		2233
1914	return unless $self->dirty;	2234	return unless $self->dirty;
1915		2235
…		…
1921	return if $self->{deny_save};	2241	return if $self->{deny_save};
1922		2242
1923	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1924		2244
1925	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1927	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1928		2251
1929	if ($uniq) {	2252	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2255	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2257	}
1935	}	2258	}
1936		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1937	sub swap_out {	2268	sub swap_out {
1938	my ($self) = @_;	2269	my ($self) = @_;
1939		2270
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1945	return if $self->players;	2275	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1949	$self->clear;	2286	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2287	}
1952		2288
1953	sub reset_at {	2289	sub reset_at {
1954	my ($self) = @_;	2290	my ($self) = @_;
1955		2291
…		…
1973		2309
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2311
1976	return if $self->players;	2312	return if $self->players;
1977		2313
1978	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1979		2315
1980	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1981		2317
1982	# need to save uniques path	2318	# need to save uniques path
1983	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2323	if $uniq;
1988	}	2324	}
1989		2325
1990	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1991		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2330	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2331
1996	$self->unlink_save;	2332	$self->unlink_save;
1997	$self->destroy;	2333	$self->destroy;
1998	}	2334	}
1999		2335
2000	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
2001		2337
2002	sub nuke {	2338	sub nuke {
2003	my ($self) = @_;	2339	my ($self) = @_;
2004		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
2005	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2006		2345
2007	$self->unlink_save;	2346	$self->unlink_save;
2008		2347
2009	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2353
2015	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
2016		2356
2017	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
2018	}	2358	}
2019		2359
2020	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
2062		2402
2063	sub unique_maps() {	2403	sub unique_maps() {
2064	[	2404	[
2065	map {	2405	map {
2066	utf8::decode $_;	2406	utf8::decode $_;
2067	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
2068	? normalise $_	2410	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2412	]
2072	}	2413	}
2073		2414
2074	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
2075		2446
2076	=back	2447	=back
2077		2448
2078	=head3 cf::object	2449	=head3 cf::object
2079		2450
…		…
2083		2454
2084	=over 4	2455	=over 4
2085		2456
2086	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2087		2458
2088	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
2089		2461
2090	=cut	2462	=cut
2091		2463
2092	sub inv_recursive_;	2464	sub inv_recursive_;
2093	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2096		2468
2097	sub inv_recursive {	2469	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2099	}	2471	}
2100		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
2101	package cf;	2501	package cf;
2102		2502
2103	=back	2503	=back
2104		2504
2105	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2114		2514
2115	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
2116		2530
2117	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2532	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
2127		2541
2128	} else {	2542	} else {
2129	my $pl = $self->contr;	2543	my $pl = $self->contr;
2130		2544
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2548
2140	} else {	2549	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2552	}
2144	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
2145	}	2564	}
2146		2565
2147	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2148		2567
2149	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2162		2581
2163	=item $player_object->enter_link	2582	=item $player_object->enter_link
2164		2583
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2585
2167	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
2169		2590
2170	Will never block.	2591	Will never block.
2171		2592
2172	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2173		2594
…		…
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2620
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2202		2623
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2625	}
2205		2626
2206	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2208		2629
…		…
2225	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2227		2648
2228	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2231		2652
2232	$map->load;	2653	$map->load;
2233	$map->load_diag;	2654	$map->load_neighbours;
2234		2655
2235	return unless $self->contr->active;	2656	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2657
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2240	}
2241		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	# unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
		2665
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2667
2244	Moves the player to the given map-path and coordinates by first freezing	2668	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2669	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2670	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2671	the new (success) or old (failed) map position. In either case, $done will
		2672	be called at the end of this process.
		2673
		2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
2248		2676
2249	=cut	2677	=cut
2250		2678
2251	our $GOTOGEN;	2679	our $GOTOGEN;
2252		2680
2253	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2683
2256	# do generation counting so two concurrent goto's will be executed in-order	2684	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2686
2259	$self->enter_link;	2687	$self->enter_link;
2260		2688
2261	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
2262	my $map = eval {	2711	my $map = eval {
2263	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
2264		2713
2265	if ($map) {	2714	if ($map) {
2266	$map = $map->customise_for ($self);	2715	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2716	$map = $check->($map) if $check && $map;
2268	} else {	2717	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2719	}
2271		2720
2272	$map	2721	$map
2273	};	2722	};
2274		2723
…		…
2279		2728
2280	if ($gen == $self->{_goto_generation}) {	2729	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2730	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
2283	}	2732	}
		2733
		2734	$done->() if $done;
2284	})->prio (1);	2735	})->prio (1);
2285	}	2736	}
2286		2737
2287	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
2288		2739
…		…
2308	}	2759	}
2309		2760
2310	sub prepare_random_map {	2761	sub prepare_random_map {
2311	my ($exit) = @_;	2762	my ($exit) = @_;
2312		2763
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2766	# that depends on the exit object
2318		2767
2319	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2770	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
2326	}	2777	}
2327		2778
2328	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
2329		2780
2330	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
2333		2784
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2787	undef $fh;
2337	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
2338		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2341	}	2796	}
2342	}	2797	}
2343		2798
2344	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2346		2801
2347	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2348		2803
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2804	$self->enter_link;
2361		2805
2362	(async {	2806	(async {
2363	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2364	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2365	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2366		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2367	1;	2830	1
2368	}) {	2831	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2836
2374	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2393		2856
2394	utf8::encode $text;	2857	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2859	}
2397		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2887
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2888	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2889	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2890	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2891	the message unless the client supports the msg packet.
2404		2892
2405	=cut	2893	=cut
2406		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
2407	sub cf::client::send_msg {	3009	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3010	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3011
2410	$msg = $self->pl->expand_cfpod ($msg);	3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
2411		3014
2412	if ($self->can_msg) {	3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		3016
2425	if ($color >= 0) {	3017	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3018	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3019	$channel = $CHANNEL{$channel};
2428	} else {	3020
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3021	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
2431	}	3029	}
2432	}
2433	}
2434	}
2435		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2436	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2437		3049
2438	Sends an ext event to the client.	3050	Sends an ext event to the client.
2439		3051
2440	=cut	3052	=cut
2441		3053
2442	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2444		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2447	}	3081	}
2448		3082
2449	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2450		3084
2451	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3140	my ($ns, $buf) = @_;
2507		3141
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3143
2510	if (ref $msg) {	3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3152	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3153	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
2517	} else {	3159	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3161	}
2520		3162
2521	cf::override;	3163	cf::override;
…		…
2543		3185
2544	$coro	3186	$coro
2545	}	3187	}
2546		3188
2547	cf::client->attach (	3189	cf::client->attach (
2548	on_destroy => sub {	3190	on_client_destroy => sub {
2549	my ($ns) = @_;	3191	my ($ns) = @_;
2550		3192
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3194	},
2553	);	3195	);
…		…
2568	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2570		3212
2571	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2572		3214
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2574		3220
2575	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2576		3222
2577	=pod	3223	=pod
2578		3224
2579	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2580		3226
2581	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2582	cf::object::player player	3232	cf::object::player
2583	cf::player peaceful	3233	player
2584	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2585		3240
2586	=cut	3241	=cut
2587		3242
2588	for (	3243	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2593	) {	3250	) {
2594	no strict 'refs';	3251	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2614		3271
2615	my $qcode = $code;	3272	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2618		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2619	local $_;	3279	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3280
2622	my $eval =	3281	my $eval =
2623	"do {\n"	3282	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3285	. $code
2627	. "\n}"	3286	. "\n}"
2628	;	3287	;
2629		3288
		3289	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2633		3298
2634	if ($@) {	3299	if ($@) {
2635	warn "$@";	3300	warn "$@";
2636	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2637	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2656	=cut	3321	=cut
2657		3322
2658	sub register_script_function {	3323	sub register_script_function {
2659	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2660		3325
2661	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2663	}	3328	}
2664		3329
2665	=back	3330	=back
2666		3331
2667	=cut	3332	=cut
…		…
2669	#############################################################################	3334	#############################################################################
2670	# the server's init and main functions	3335	# the server's init and main functions
2671		3336
2672	sub load_facedata($) {	3337	sub load_facedata($) {
2673	my ($path) = @_;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2674		3345
2675	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2676		3347
2677	my $facedata;	3348	my $facedata;
2678	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2681	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2682		3353
2683	$facedata->{version} == 2	3354	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2686	{	3366	{
2687	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2688		3368
2689	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3376
		3377	cf::cede_to_tick;
2695	}	3378	}
2696		3379
2697	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2699	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2700	or next;	3384	or next;
		3385
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3389	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3391	}
2706	Coro::cede;	3392
		3393	cf::cede_to_tick;
2707	}	3394	}
2708	}	3395	}
2709		3396
2710	{	3397	{
2711	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2712		3399
2713	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3402	cf::cede_to_tick;
2716	}	3403	}
2717		3404
2718	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2719	}	3406	}
2720		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2721	1	3427	1
2722	}	3428	}
2723		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
2724	sub reload_regions {	3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
2725	load_resource_file "$MAPDIR/regions"	3473	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
2727	}	3480	}
2728		3481
2729	sub reload_facedata {	3482	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3483	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3484	or die "unable to load facedata\n";
2732	}	3485	}
2733		3486
2734	sub reload_archetypes {	3487	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3488	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3489	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3490	}
2743		3491
2744	sub reload_treasures {	3492	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3493	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3494	or die "unable to load treasurelists\n";
2747	}	3495	}
2748		3496
2749	sub reload_resources {	3497	sub reload_resources {
2750	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2751		3499
		3500	reload_facedata;
		3501	reload_archetypes;
2752	reload_regions;	3502	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3503	reload_treasures;
2757		3504
2758	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2759	}	3506	}
2760		3507
2761	sub init {	3508	sub reload_config {
2762	reload_resources;	3509	warn "reloading config file...\n";
2763	}
2764		3510
2765	sub cfg_load {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3512	or return;
2768		3513
2769	local $/;	3514	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2771		3516
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2773		3518
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2779	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2780	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2781	};	3526	};
2782	warn $@ if $@;	3527	warn $@ if $@;
2783	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2784	}	3559	}
2785		3560
2786	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2787	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3574	(async {
2791	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2793	};	3578	};
2794		3579
2795	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2796	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2797	load_extensions;	3603	load_extensions;
2798		3604
2799	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2801	}	3618	}
2802		3619
2803	#############################################################################	3620	#############################################################################
2804	# initialisation and cleanup	3621	# initialisation and cleanup
2805		3622
2806	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2807	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2816	},
2817	);	3629	};
2818	}	3630	}
2819	}	3631	}
2820		3632
2821	sub write_runtime {	3633	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3634	my $t0 = AE::time;
2823		3635
2824	# first touch the runtime file to show we are still running:	3636	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3637	# the fsync below can take a very very long time.
2826		3638
2827	IO::AIO::aio_utime $runtime, undef, undef;	3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3640
2829	my $guard = cf::lock_acquire "write_runtime";	3641	my $guard = cf::lock_acquire "write_runtime";
2830		3642
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3644	or return;
2833		3645
2834	my $value = $cf::RUNTIME + 90 + 10;	3646	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3647	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3648	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3658	aio_utime $fh, undef, undef;
2847		3659
2848	close $fh	3660	close $fh
2849	or return;	3661	or return;
2850		3662
2851	aio_rename "$runtime~", $runtime	3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3664	and return;
2853		3665
2854	warn "runtime file written.\n";	3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		3667
2856	1	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2857	}	3719	}
2858		3720
2859	sub emergency_save() {	3721	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2861		3723
2862	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2863		3725
2864	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2865	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3740	$pl->save;
2873	}	3741	}
2874	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2875		3743
2876	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3747	$map->valid or next;
2880	$map->save;	3748	$map->save;
2881	}	3749	}
2882	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2883		3751
2884	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2887	};	3759	};
2888		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2889	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2890	}	3767	}
2891		3768
2892	sub post_cleanup {	3769	sub post_cleanup {
2893	my ($make_core) = @_;	3770	my ($make_core) = @_;
2894		3771
2895	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
2897	}	3802	}
2898		3803
2899	sub do_reload_perl() {	3804	sub do_reload_perl() {
2900	# can/must only be called in main	3805	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2902	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2903	return;	3808	return;
2904	}	3809	}
2905		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2906	warn "reloading...";	3816	warn "reloading...";
2907		3817
2908	warn "entering sync_job";	3818	warn "entering sync_job";
2909		3819
2910	cf::sync_job {	3820	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2912	cf::emergency_save;	3822	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2914		3824
2915	warn "syncing database to disk";	3825	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2917		3827
2918	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2919		3829
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2931	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();
2939
2940	warn "removing commands";
2941	%COMMAND = ();
2942
2943	warn "removing ext/exti commands";
2944	%EXTCMD = ();
2945	%EXTICMD = ();
2946
2947	warn "unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";
2950
2951	if (my $cb = $pkg->can ("unload")) {
2952	eval {
2953	$cb->($pkg);
2954	1
2955	} or warn "$pkg unloaded, but with errors: $@";
2956	}	3833	}
2957		3834
2958	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2959	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2960	}	3837	%EXT_CORO = ();
2961		3838
2962	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2963	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2966	warn "... unloading $k";	3848	warn "... unloading $pkg";
2967	delete $INC{$k};
2968		3849
2969	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;
2971
2972	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2973	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2974	}	3859	}
2975		3860
2976	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2977	}	3876	}
2978		3877
2979	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3881
2983	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3885
2987	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3887	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2990		3889
2991	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2992		3891
2993	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2994	require cf;	3893	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2996		3895
2997	warn "loading config and database again";	3896	warn "loading config and database again";
2998	cf::cfg_load;	3897	cf::reload_config;
2999		3898
3000	warn "loading extensions";	3899	warn "loading extensions";
3001	cf::load_extensions;	3900	cf::load_extensions;
3002		3901
		3902	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
3006	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
3009		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
3010	warn "leaving sync_job";	3914	warn "leaving sync_job";
3011		3915
3012	1	3916	1
3013	} or do {	3917	} or do {
3014	warn $@;	3918	warn $@;
3015	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
3016	exit 1;
3017	};	3920	};
3018		3921
3019	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
3020	};	3928	};
3021		3929
3022	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
3023		3931
3024	sub reload_perl() {	3932	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
3027		3935
3028	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	3938
3031	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	3940	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
3035	},	3942	};
3036	);	3943	};
3037	}	3944	}
3038		3945
3039	register_command "reload" => sub {	3946	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
3041		3948
3042	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3953	reload_perl;
		3954	};
3045	}	3955	}
3046	};	3956	};
3047		3957
3048	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
3049		3959
…		…
3051		3961
3052	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
3054		3964
3055	sub wait_for_tick {	3965	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3058		3967
3059	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	3970	$signal->wait;
3062	}	3971	}
3063		3972
3064	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3067		3975
3068	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	3978	$signal->wait;
3071	}	3979	}
3072		3980
3073	my $min = 1e6;#d#	3981	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
3085	return;	3985	return;
3086	}	3986	}
3087		3987
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
3091		3989
3092	0 && sync_job {#d#	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093	for(1..10) {
3094	my $t = Event::time;
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3096	or die;
3097		3991
3098	$map->width (50);	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	$map->height (50);	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	$map->alloc;	3994	Coro::async_pool {
3101	$map->_load_objects ("/tmp/x.map", 1);	3995	$Coro::current->{desc} = "runtime saver";
3102	my $t = Event::time - $t;	3996	write_runtime_sync
3103		3997	or warn "ERROR: unable to write runtime file: $!";
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	3998	};
		3999	}
3114		4000
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4002	$sig->send;
3131	}	4003	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	4005	$sig->send;
3134	}	4006	}
3135		4007
3136	$NOW = Event::time;	4008	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4010
3147	_post_tick;	4011	if (0) {
3148		4012	if ($NEXT_TICK) {
3149		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
3150	},	4017	}
3151	);	4018	}
3152		4019
3153	{	4020	{
3154	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4022
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
3164		4024	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		4026
3180	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4034
3183	cf::sync_job {	4035	cf::sync_job {
3184	eval {	4036	eval {
3185	BDB::db_env_open	4037	BDB::db_env_open
3186	$DB_ENV,	4038	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4042	0666;
3191		4043
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4045	};
3197		4046
3198	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4048	};
3200	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
3201	}	4060	}
3202		4061
3203	{	4062	{
		4063	# configure IO::AIO
		4064
3204	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4068	}
3217		4069
3218	my $_log_backtrace;	4070	my $_log_backtrace;
3219		4071
3220	sub _log_backtrace {	4072	sub _log_backtrace {
…		…
3223	$msg =~ s/\n//;	4075	$msg =~ s/\n//;
3224		4076
3225	# limit the # of concurrent backtraces	4077	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4078	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
3228	async {	4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
3229	my @bt = fork_call {	4084	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4085	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4088	or die "addr2line: $!";
…		…
3241	}	4096	}
3242		4097
3243	@funcs	4098	@funcs
3244	};	4099	};
3245		4100
3246	LOG llevInfo, "[ABT] $msg\n";	4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4103	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4104	--$_log_backtrace;
3249	};	4105	};
3250	} else {	4106	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4107	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4108	LOG llevInfo, "[ABT] [suppressed]\n";
3253	}	4109	}
3254	}	4110	}
3255		4111
3256	# load additional modules	4112	# load additional modules
3257	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
3258		4115
3259	END { cf::emergency_save }	4116	END { cf::emergency_save }
3260		4117
3261	1	4118	1
3262		4119

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