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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.288 by root, Mon Jun 25 07:40:53 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
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->convert_blessed->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
…		…
1086	cf::override;	1343	cf::override;
1087	},	1344	},
1088	on_extcmd => sub {	1345	on_extcmd => sub {
1089	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1090		1347
1091	my $msg = eval { from_json $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<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1414		1733
1415	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1416		1735
1417	=cut	1736	=cut
1418		1737
1419	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1421		1740
1422	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . cf::to_json \%msg);
1424	}	1742	}
1425		1743
1426	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1427		1745
1428	Sends an ext event to the client.	1746	Sends an ext event to the client.
1429		1747
1430	=cut	1748	=cut
1431		1749
1432	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1434		1752
1435	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1436	}	1754	}
1437		1755
1438	=head3 cf::region	1756	=head3 cf::region
1439		1757
1440	=over 4	1758	=over 4
…		…
1450	=cut	1768	=cut
1451		1769
1452	sub find_by_path($) {	1770	sub find_by_path($) {
1453	my ($path) = @_;	1771	my ($path) = @_;
1454		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1455	my ($match, $specificity);	1775	my ($match, $specificity);
1456		1776
1457	for my $region (list) {	1777	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1461	}	1781	}
1462	}	1782	}
1463		1783
…		…
1484	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1486		1806
1487	sub generate_random_map {	1807	sub generate_random_map {
1488	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
1489	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1813	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1583	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1584	return $self;	1907	return $self;
1585	}	1908	}
1586	}	1909	}
1587		1910
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1912	()
1590	}	1913	}
1591		1914
1592	sub init {	1915	sub init {
1593	my ($self) = @_;	1916	my ($self) = @_;
…		…
1615		1938
1616	# the temporary/swap location	1939	# the temporary/swap location
1617	sub save_path {	1940	sub save_path {
1618	my ($self) = @_;	1941	my ($self) = @_;
1619		1942
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1622	}	1945	}
1623		1946
1624	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1625	sub uniq_path {	1948	sub uniq_path {
1626	my ($self) = @_;	1949	my ($self) = @_;
1627		1950
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	1953	}
1640		1954
1641	sub decay_objects {	1955	sub decay_objects {
1642	my ($self) = @_;	1956	my ($self) = @_;
1643		1957
…		…
1656		1970
1657	sub load_header_from($) {	1971	sub load_header_from($) {
1658	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1659		1973
1660	utf8::encode $path;	1974	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	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;
1666		1983
1667	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1668		1985
1669	1	1986	1
1670	}	1987	}
…		…
1724	sub find {	2041	sub find {
1725	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1726		2043
1727	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1728		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2048
1731	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1734	or return;	2051	or return;
1735		2052
1736	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1737		2054
…		…
1739	or return;	2056	or return;
1740		2057
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1744	$map->reset;	2063	$map->reset;
1745	undef $guard;
1746	return find $path;	2064	return find $path;
1747	}	2065	}
1748		2066
1749	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1750	}	2068	}
1751	}	2069	}
1752		2070
1753	sub pre_load { }	2071	sub pre_load { }
1754	sub post_load { }	2072	#sub post_load { } # XS
1755		2073
1756	sub load {	2074	sub load {
1757	my ($self) = @_;	2075	my ($self) = @_;
1758		2076
1759	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1760		2078
1761	my $path = $self->{path};	2079	my $path = $self->{path};
1762		2080
1763	{	2081	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1765		2083
		2084	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2086
1768	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1769		2088
1770	$self->alloc;	2089	$self->alloc;
1771		2090
1772	$self->pre_load;	2091	$self->pre_load;
1773	Coro::cede;	2092	cf::cede_to_tick;
1774		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1776	or return;	2097	or return;
1777		2098
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1779	if delete $self->{load_original};	2100	if delete $self->{load_original};
1780		2101
1781	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2103	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2106	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1786	}	2110	}
1787	}	2111	}
1788		2112
1789	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1790	# now do the right thing for maps	2116	# now do the right thing for maps
1791	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2119	unless $self->difficulty;
1794	Coro::cede;	2120	cf::cede_to_tick;
1795		2121
1796	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2123	$self->decay_objects;
1798	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1799	$self->update_buttons;	2125	$self->update_buttons;
1800	Coro::cede;	2126	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2127	$self->activate;
1804	}	2128	}
1805		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2134	}
1808		2135
1809	$self->post_load;	2136	$self->post_load;
1810	}	2137	}
1811		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
1812	sub customise_for {	2142	sub customise_for {
1813	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1814		2144
1815	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2146	if $self->per_player;
…		…
1820		2150
1821	$self	2151	$self
1822	}	2152	}
1823		2153
1824	# 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
1825	sub load_diag {	2155	sub load_neighbours {
1826	my ($map) = @_;	2156	my ($map) = @_;
1827		2157
1828	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1829		2159
1830	for (0 .. 3) {	2160	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1832	or next;	2162	or next;
1833	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1834	or next;	2164	or next;
1835	$neigh->load;	2165	$neigh->load;
1836		2166
		2167	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2170	}
1840		2171
1841	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1843	or next;	2175	or next;
1844	$neigh->load;	2176	$neigh->load;
1845	}	2177	}
1846	}	2178	}
1847		2179
…		…
1852	}	2184	}
1853		2185
1854	sub do_load_sync {	2186	sub do_load_sync {
1855	my ($map) = @_;	2187	my ($map) = @_;
1856		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1857	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1858	}	2193	}
1859		2194
1860	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1862		2197
1863	sub find_async {	2198	sub find_async {
1864	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1865		2200
1866	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1867		2202
1868	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2205	}
1871		2206
1872	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1873	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1874	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2214	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2215	$map->load if $v;
		2216	}
1879		2217
1880	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1881	}	2219	}
1882	}	2220	}
1883	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1884	};	2222	};
1885	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1886		2224
1887	()	2225	()
1888	}	2226	}
1889		2227
		2228	# common code, used by both ->save and ->swapout
1890	sub save {	2229	sub _save {
1891	my ($self) = @_;	2230	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2231
1895	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1896		2233
1897	return unless $self->dirty;	2234	return unless $self->dirty;
1898		2235
…		…
1904	return if $self->{deny_save};	2241	return if $self->{deny_save};
1905		2242
1906	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1907		2244
1908	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1910	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1911		2251
1912	if ($uniq) {	2252	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2255	} else {
1916	$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);
1917	}	2257	}
1918	}	2258	}
1919		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1920	sub swap_out {	2268	sub swap_out {
1921	my ($self) = @_;	2269	my ($self) = @_;
1922		2270
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1928	return if $self->players;	2275	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		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
1932	$self->clear;	2286	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2287	}
1935		2288
1936	sub reset_at {	2289	sub reset_at {
1937	my ($self) = @_;	2290	my ($self) = @_;
1938		2291
…		…
1956		2309
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2311
1959	return if $self->players;	2312	return if $self->players;
1960		2313
1961	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1962		2315
1963	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1964		2317
1965	# need to save uniques path	2318	# need to save uniques path
1966	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2323	if $uniq;
1971	}	2324	}
1972		2325
1973	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1974		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2330	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2331
1979	$self->unlink_save;	2332	$self->unlink_save;
1980	$self->destroy;	2333	$self->destroy;
1981	}	2334	}
1982		2335
1983	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1984		2337
1985	sub nuke {	2338	sub nuke {
1986	my ($self) = @_;	2339	my ($self) = @_;
1987		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1988	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1989		2345
1990	$self->unlink_save;	2346	$self->unlink_save;
1991		2347
1992	bless $self, "cf::map";	2348	bless $self, "cf::map";
1993	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2353
1998	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1999		2356
2000	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
2001	}	2358	}
2002		2359
2003	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
2045		2402
2046	sub unique_maps() {	2403	sub unique_maps() {
2047	[	2404	[
2048	map {	2405	map {
2049	utf8::decode $_;	2406	utf8::decode $_;
2050	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
2051	? normalise $_	2410	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2412	]
2055	}	2413	}
2056		2414
2057	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	}
2058		2446
2059	=back	2447	=back
2060		2448
2061	=head3 cf::object	2449	=head3 cf::object
2062		2450
…		…
2066		2454
2067	=over 4	2455	=over 4
2068		2456
2069	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2070		2458
2071	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.
2072		2461
2073	=cut	2462	=cut
2074		2463
2075	sub inv_recursive_;	2464	sub inv_recursive_;
2076	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2079		2468
2080	sub inv_recursive {	2469	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2082	}	2471	}
2083		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
2084	package cf;	2501	package cf;
2085		2502
2086	=back	2503	=back
2087		2504
2088	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
2094	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>
2095	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
2096	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2097		2514
2098	=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	};
2099		2530
2100	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2532	# with dialog boxes.
2102	#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
2103	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
2110		2541
2111	} else {	2542	} else {
2112	my $pl = $self->contr;	2543	my $pl = $self->contr;
2113		2544
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2548
2123	} else {	2549	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2552	}
2127	}	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 (@_);
2128	}	2564	}
2129		2565
2130	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2131		2567
2132	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2145		2581
2146	=item $player_object->enter_link	2582	=item $player_object->enter_link
2147		2583
2148	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}>).
2149		2585
2150	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.
2151	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.
2152		2590
2153	Will never block.	2591	Will never block.
2154		2592
2155	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2156		2594
…		…
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2620
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2185		2623
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2625	}
2188		2626
2189	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2191		2629
…		…
2208	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2210		2648
2211	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2214		2652
2215	$map->load;	2653	$map->load;
2216	$map->load_diag;	2654	$map->load_neighbours;
2217		2655
2218	return unless $self->contr->active;	2656	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2657
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2223	}
2224		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2226		2666
2227	Moves the player to the given map-path and coordinates by first freezing	2667	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
2229	that has to return the map if sucecssful, and then unfreezes the player on	2669	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2670	the new (success) or old (failed) map position. In either case, $done will
		2671	be called at the end of this process.
		2672
		2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
2231		2675
2232	=cut	2676	=cut
2233		2677
2234	our $GOTOGEN;	2678	our $GOTOGEN;
2235		2679
2236	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
2238		2682
2239	# do generation counting so two concurrent goto's will be executed in-order	2683	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2685
2242	$self->enter_link;	2686	$self->enter_link;
2243		2687
2244	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
2245	my $map = eval {	2710	my $map = eval {
2246	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
2247		2712
2248	if ($map) {	2713	if ($map) {
2249	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
2251	} else {	2716	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2718	}
2254		2719
2255	$map	2720	$map
2256	};	2721	};
2257		2722
…		…
2262		2727
2263	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
2266	}	2731	}
		2732
		2733	$done->() if $done;
2267	})->prio (1);	2734	})->prio (1);
2268	}	2735	}
2269		2736
2270	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2271		2738
…		…
2291	}	2758	}
2292		2759
2293	sub prepare_random_map {	2760	sub prepare_random_map {
2294	my ($exit) = @_;	2761	my ($exit) = @_;
2295		2762
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2765	# that depends on the exit object
2301		2766
2302	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2769	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2309	}	2776	}
2310		2777
2311	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2312		2779
2313	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2316		2783
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2786	undef $fh;
2320	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2321		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2324	}	2795	}
2325	}	2796	}
2326		2797
2327	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2329		2800
2330	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2331		2802
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2803	$self->enter_link;
2344		2804
2345	(async {	2805	(async {
2346	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2347	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2348	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2349		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2350	1;	2829	1
2351	}) {	2830	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2835
2357	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2376		2855
2377	utf8::encode $text;	2856	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2858	}
2380		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2886
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2887	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2888	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2889	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2890	the message unless the client supports the msg packet.
2387		2891
2388	=cut	2892	=cut
2389		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
2390	sub cf::client::send_msg {	3008	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3009	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3010
2393	$msg = $self->pl->expand_cfpod ($msg);	3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
2394		3013
2395	if ($self->can_msg) {	3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3015
2408	if ($color >= 0) {	3016	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3017	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3018	$channel = $CHANNEL{$channel};
2411	} else {	3019
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3020	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
2414	}	3028	}
2415	}
2416	}
2417	}
2418		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2419	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2420		3048
2421	Sends an ext event to the client.	3049	Sends an ext event to the client.
2422		3050
2423	=cut	3051	=cut
2424		3052
2425	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2427		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2430	}	3080	}
2431		3081
2432	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2433		3083
2434	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
…		…
2457		3107
2458	1	3108	1
2459	}	3109	}
2460		3110
2461	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2462	on_reply => sub {	3117	on_reply => sub {
2463	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2464		3119
2465	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2466	# get handled first	3121	# get handled first
…		…
2481	}	3136	}
2482	},	3137	},
2483	on_exticmd => sub {	3138	on_exticmd => sub {
2484	my ($ns, $buf) = @_;	3139	my ($ns, $buf) = @_;
2485		3140
2486	my $msg = eval { from_json $buf };	3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487		3142
2488	if (ref $msg) {	3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3151	if (my $cb = $EXTICMD{$type}) {
2490	if (my %reply = $cb->($ns, $msg)) {	3152	@reply = $cb->($ns, @payload);
2491	$reply{msgid} = $msg->{msgid};
2492	$ns->send ("ext " . cf::to_json \%reply);
2493	}
2494	}	3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
2495	} else {	3158	} else {
2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2497	}	3160	}
2498		3161
2499	cf::override;	3162	cf::override;
…		…
2521		3184
2522	$coro	3185	$coro
2523	}	3186	}
2524		3187
2525	cf::client->attach (	3188	cf::client->attach (
2526	on_destroy => sub {	3189	on_client_destroy => sub {
2527	my ($ns) = @_;	3190	my ($ns) = @_;
2528		3191
2529	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2530	},	3193	},
2531	);	3194	);
…		…
2546	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2547	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2548		3211
2549	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2550		3213
2551	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2552		3219
2553	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2554		3221
2555	=pod	3222	=pod
2556		3223
2557	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2558		3225
2559	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2560	cf::object::player player	3231	cf::object::player
2561	cf::player peaceful	3232	player
2562	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2563		3239
2564	=cut	3240	=cut
2565		3241
2566	for (	3242	for (
2567	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2568	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2569	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2570	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2571	) {	3249	) {
2572	no strict 'refs';	3250	no strict 'refs';
2573	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2574	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2592		3270
2593	my $qcode = $code;	3271	my $qcode = $code;
2594	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2595	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2596		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2597	local $_;	3278	local $_;
2598	local @safe::cf::_safe_eval_args = values %vars;
2599		3279
2600	my $eval =	3280	my $eval =
2601	"do {\n"	3281	"do {\n"
2602	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2603	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2604	. $code	3284	. $code
2605	. "\n}"	3285	. "\n}"
2606	;	3286	;
2607		3287
		3288	if ($CFG{safe_eval}) {
2608	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2609	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2610	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2611		3297
2612	if ($@) {	3298	if ($@) {
2613	warn "$@";	3299	warn "$@";
2614	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2615	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2634	=cut	3320	=cut
2635		3321
2636	sub register_script_function {	3322	sub register_script_function {
2637	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2638		3324
2639	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2640	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2641	}	3327	}
2642		3328
2643	=back	3329	=back
2644		3330
2645	=cut	3331	=cut
…		…
2647	#############################################################################	3333	#############################################################################
2648	# the server's init and main functions	3334	# the server's init and main functions
2649		3335
2650	sub load_facedata($) {	3336	sub load_facedata($) {
2651	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2652		3344
2653	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2654		3346
2655	my $facedata;	3347	my $facedata;
2656	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2659	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2660		3352
2661	$facedata->{version} == 2	3353	$facedata->{version} == 2
2662	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2663		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2664	{	3365	{
2665	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2666		3367
2667	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2672	Coro::cede;	3375
		3376	cf::cede_to_tick;
2673	}	3377	}
2674		3378
2675	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2676	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2677	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2678	or next;	3383	or next;
		3384
2679	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681	} else {	3388	} else {
2682	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2683	}	3390	}
2684	Coro::cede;	3391
		3392	cf::cede_to_tick;
2685	}	3393	}
2686	}	3394	}
2687		3395
2688	{	3396	{
2689	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2690		3398
2691	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2692	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2693	Coro::cede;	3401	cf::cede_to_tick;
2694	}	3402	}
2695		3403
2696	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2697	}	3405	}
2698		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2699	1	3426	1
2700	}	3427	}
2701		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2702	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2703	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2704	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2705	}	3479	}
2706		3480
2707	sub reload_facedata {	3481	sub reload_facedata {
2708	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2709	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2720	}	3494	}
2721		3495
2722	sub reload_resources {	3496	sub reload_resources {
2723	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2724		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2725	reload_regions;	3501	reload_regions;
2726	reload_facedata;
2727	#reload_archetypes;#d#
2728	reload_archetypes;
2729	reload_treasures;	3502	reload_treasures;
2730		3503
2731	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2732	}	3505	}
2733		3506
2734	sub init {	3507	sub reload_config {
2735	reload_resources;	3508	warn "reloading config file...\n";
2736	}
2737		3509
2738	sub cfg_load {
2739	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2740	or return;	3511	or return;
2741		3512
2742	local $/;	3513	local $/;
2743	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2744		3515
2745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2746		3517
2747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2752	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2753	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2754	};	3525	};
2755	warn $@ if $@;	3526	warn $@ if $@;
2756	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2757	}	3558	}
2758		3559
2759	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2760	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2761	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2762	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2763	(async {	3573	(async {
2764	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2765	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2766	};	3577	};
2767		3578
2768	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2769	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2770	load_extensions;	3602	load_extensions;
2771		3603
2772	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2773	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2774	}	3617	}
2775		3618
2776	#############################################################################	3619	#############################################################################
2777	# initialisation and cleanup	3620	# initialisation and cleanup
2778		3621
2779	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2780	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2781	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2782	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2783	reentrant => 0,
2784	data => WF_AUTOCANCEL,
2785	signal => $signal,
2786	prio => 0,
2787	cb => sub {
2788	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2789	},
2790	);	3628	};
2791	}	3629	}
2792	}	3630	}
2793		3631
2794	sub write_runtime {	3632	sub write_runtime_sync {
2795	my $runtime = "$LOCALDIR/runtime";	3633	my $t0 = AE::time;
2796		3634
2797	# first touch the runtime file to show we are still running:	3635	# first touch the runtime file to show we are still running:
2798	# the fsync below can take a very very long time.	3636	# the fsync below can take a very very long time.
2799		3637
2800	IO::AIO::aio_utime $runtime, undef, undef;	3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2801		3639
2802	my $guard = cf::lock_acquire "write_runtime";	3640	my $guard = cf::lock_acquire "write_runtime";
2803		3641
2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2805	or return;	3643	or return;
2806		3644
2807	my $value = $cf::RUNTIME + 90 + 10;	3645	my $value = $cf::RUNTIME + 90 + 10;
2808	# 10 is the runtime save interval, for a monotonic clock	3646	# 10 is the runtime save interval, for a monotonic clock
2809	# 60 allows for the watchdog to kill the server.	3647	# 60 allows for the watchdog to kill the server.
…		…
2819	aio_utime $fh, undef, undef;	3657	aio_utime $fh, undef, undef;
2820		3658
2821	close $fh	3659	close $fh
2822	or return;	3660	or return;
2823		3661
2824	aio_rename "$runtime~", $runtime	3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2825	and return;	3663	and return;
2826		3664
2827	warn "runtime file written.\n";	3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2828		3666
2829	1	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2830	}	3718	}
2831		3719
2832	sub emergency_save() {	3720	sub emergency_save() {
2833	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2834		3722
2835	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2836		3724
2837	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2838	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2839	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2840	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2841	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2842	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2843	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2844	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2845	$pl->save;	3739	$pl->save;
2846	}	3740	}
2847	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2848		3742
2849	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2850	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2851	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2852	$map->valid or next;	3746	$map->valid or next;
2853	$map->save;	3747	$map->save;
2854	}	3748	}
2855	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2856		3750
2857	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2858	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2859	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2860	};	3758	};
2861		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2862	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2863	}	3766	}
2864		3767
2865	sub post_cleanup {	3768	sub post_cleanup {
2866	my ($make_core) = @_;	3769	my ($make_core) = @_;
2867		3770
2868	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2869	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2870	}	3801	}
2871		3802
2872	sub do_reload_perl() {	3803	sub do_reload_perl() {
2873	# can/must only be called in main	3804	# can/must only be called in main
2874	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2875	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2876	return;	3807	return;
2877	}	3808	}
2878		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2879	warn "reloading...";	3815	warn "reloading...";
2880		3816
2881	warn "entering sync_job";	3817	warn "entering sync_job";
2882		3818
2883	cf::sync_job {	3819	cf::sync_job {
2884	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2885	cf::emergency_save;	3821	cf::emergency_save;
2886	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2887		3823
2888	warn "syncing database to disk";	3824	warn "syncing database to disk";
2889	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2890		3826
2891	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2892		3828
2893	warn "cancelling all WF_AUTOCANCEL watchers";
2894	for (Event::all_watchers) {
2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2896	}
2897
2898	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2899	for (;;) {
2900	BDB::flush;
2901	IO::AIO::flush;
2902	Coro::cede;
2903	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2904	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2905	}
2906
2907	++$RELOAD;
2908
2909	warn "cancelling all extension coros";
2910	$_->cancel for values %EXT_CORO;
2911	%EXT_CORO = ();
2912
2913	warn "removing commands";
2914	%COMMAND = ();
2915
2916	warn "removing ext/exti commands";
2917	%EXTCMD = ();
2918	%EXTICMD = ();
2919
2920	warn "unloading/nuking all extensions";
2921	for my $pkg (@EXTS) {
2922	warn "... unloading $pkg";
2923
2924	if (my $cb = $pkg->can ("unload")) {
2925	eval {
2926	$cb->($pkg);
2927	1
2928	} or warn "$pkg unloaded, but with errors: $@";
2929	}	3832	}
2930		3833
2931	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2932	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2933	}	3836	%EXT_CORO = ();
2934		3837
2935	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2936	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2938		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2939	warn "... unloading $k";	3847	warn "... unloading $pkg";
2940	delete $INC{$k};
2941		3848
2942	$k =~ s/\.pm$//;
2943	$k =~ s/\//::/g;
2944
2945	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2946	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2947	}	3858	}
2948		3859
2949	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2950	}	3875	}
2951		3876
2952	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2953	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2954	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2955		3880
2956	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2957	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2958	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2959		3884
2960	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2961	# and global variables created in xs	3886	# and global variables created in xs
2962	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2963		3888
2964	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2965		3890
2966	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2967	require cf;	3892	require cf;
2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2969		3894
2970	warn "loading config and database again";	3895	warn "loading config and database again";
2971	cf::cfg_load;	3896	cf::reload_config;
2972		3897
2973	warn "loading extensions";	3898	warn "loading extensions";
2974	cf::load_extensions;	3899	cf::load_extensions;
2975		3900
		3901	if ($REATTACH_ON_RELOAD) {
2976	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2977	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2978	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2979	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2980	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2981	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2982		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2983	warn "leaving sync_job";	3913	warn "leaving sync_job";
2984		3914
2985	1	3915	1
2986	} or do {	3916	} or do {
2987	warn $@;	3917	warn $@;
2988	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2989	exit 1;
2990	};	3919	};
2991		3920
2992	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2993	};	3927	};
2994		3928
2995	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2996		3930
2997	sub reload_perl() {	3931	sub reload_perl() {
2998	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2999	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
3000		3934
3001	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
3002	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
3003	after => 0,	3937
3004	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3005	cb => sub {
3006	do_reload_perl;	3939	do_reload_perl;
3007	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
3008	},	3941	};
3009	);	3942	};
3010	}	3943	}
3011		3944
3012	register_command "reload" => sub {	3945	register_command "reload" => sub {
3013	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
3014		3947
3015	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
3016	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
3017	async { reload_perl };	3952	reload_perl;
		3953	};
3018	}	3954	}
3019	};	3955	};
3020		3956
3021	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
3022		3958
…		…
3024		3960
3025	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
3026	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
3027		3963
3028	sub wait_for_tick {	3964	sub wait_for_tick {
3029	return unless $TICK_WATCHER->is_active;
3030	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3031		3966
3032	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
3033	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
3034	$signal->wait;	3969	$signal->wait;
3035	}	3970	}
3036		3971
3037	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
3038	return unless $TICK_WATCHER->is_active;
3039	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3040		3974
3041	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
3042	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
3043	$signal->wait;	3977	$signal->wait;
3044	}	3978	}
3045		3979
3046	my $min = 1e6;#d#	3980	sub tick {
3047	my $avg = 10;
3048	$TICK_WATCHER = Event->timer (
3049	reentrant => 0,
3050	parked => 1,
3051	prio => 0,
3052	at => $NEXT_TICK || $TICK,
3053	data => WF_AUTOCANCEL,
3054	cb => sub {
3055	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3057	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
3058	return;	3984	return;
3059	}	3985	}
3060		3986
3061	$NOW = $tick_start = Event::time;
3062
3063	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
3064		3988
3065	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3066	for(1..10) {
3067	my $t = Event::time;
3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3069	or die;
3070		3990
3071	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3072	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3073	$map->alloc;	3993	Coro::async_pool {
3074	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
3075	my $t = Event::time - $t;	3995	write_runtime_sync
3076		3996	or warn "ERROR: unable to write runtime file: $!";
3077	#next unless $t < 0.0013;#d#
3078	if ($t < $min) {
3079	$min = $t;
3080	}
3081	$avg = $avg * 0.99 + $t * 0.01;
3082	}
3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3084	exit 0;
3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3086	};	3997	};
		3998	}
3087		3999
3088	$RUNTIME += $TICK;
3089	$NEXT_TICK += $TICK;
3090
3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
3093	Coro::async_pool {
3094	write_runtime
3095	or warn "ERROR: unable to write runtime file: $!";
3096	};
3097	}
3098
3099	# my $AFTER = Event::time;
3100	# warn $AFTER - $NOW;#d#
3101
3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3103	$sig->send;	4001	$sig->send;
3104	}	4002	}
3105	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
3106	$sig->send;	4004	$sig->send;
3107	}	4005	}
3108		4006
3109	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
3110
3111	# if we are delayed by four ticks or more, skip them all
3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3113
3114	$TICK_WATCHER->at ($NEXT_TICK);
3115	$TICK_WATCHER->start;
3116
3117	$LOAD = ($NOW - $tick_start) / $TICK;
3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3119		4009
3120	_post_tick;	4010	if (0) {
3121		4011	if ($NEXT_TICK) {
3122		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
3123	},	4016	}
3124	);	4017	}
3125		4018
3126	{	4019	{
3127	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
3128	$BDB_POLL_WATCHER = Event->io (	4021
3129	reentrant => 0,
3130	fd => BDB::poll_fileno,
3131	poll => 'r',
3132	prio => 0,
3133	data => WF_AUTOCANCEL,
3134	cb => \&BDB::poll_cb,
3135	);
3136	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
3137		4023	BDB::max_poll_reqs $TICK * 0.1;
3138	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
3139	my $status;
3140	my $current = $Coro::current;
3141	(
3142	sub {
3143	$status = $!;
3144	$current->ready; undef $current;
3145	},
3146	sub {
3147	Coro::schedule while defined $current;
3148	$! = $status;
3149	},
3150	)
3151	};
3152		4025
3153	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
3154	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3155		4033
3156	cf::sync_job {	4034	cf::sync_job {
3157	eval {	4035	eval {
3158	BDB::db_env_open	4036	BDB::db_env_open
3159	$DB_ENV,	4037	$DB_ENV,
…		…
3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3163	0666;	4041	0666;
3164		4042
3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3166
3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3168	$DB_ENV->set_lk_detect;
3169	};	4044	};
3170		4045
3171	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
3172	};	4047	};
3173	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
3174	}	4059	}
3175		4060
3176	{	4061	{
		4062	# configure IO::AIO
		4063
3177	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
3178
3179	undef $Coro::AIO::WATCHER;
3180	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
3181	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
3182	reentrant => 0,
3183	data => WF_AUTOCANCEL,
3184	fd => IO::AIO::poll_fileno,
3185	poll => 'r',
3186	prio => 6,
3187	cb => \&IO::AIO::poll_cb,
3188	);
3189	}	4067	}
3190		4068
3191	my $_log_backtrace;	4069	my $_log_backtrace;
3192		4070
3193	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3196	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3197		4075
3198	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3199	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3200	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3201	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3202	my @bt = fork_call {	4083	my @bt = fork_call {
3203	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3205	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3206	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3214	}	4095	}
3215		4096
3216	@funcs	4097	@funcs
3217	};	4098	};
3218		4099
3219	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3220	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3221	--$_log_backtrace;	4103	--$_log_backtrace;
3222	};	4104	};
3223	} else {	4105	} else {
3224	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3225	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3226	}	4108	}
3227	}	4109	}
3228		4110
3229	# load additional modules	4111	# load additional modules
3230	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3231		4114
3232	END { cf::emergency_save }	4115	END { cf::emergency_save }
3233		4116
3234	1	4117	1
3235		4118

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