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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
73		115
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	118	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
100		150
101	binmode STDOUT;	151	binmode STDOUT;
102	binmode STDERR;	152	binmode STDERR;
103		153
104	# read virtual server time, if available	154	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
109	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
110		162
111	mkdir $_	163	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		165
114	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
115		167
116	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		184
118	#############################################################################	185	#############################################################################
119		186
120	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
121		188
…		…
157		224
158	The raw value load value from the last tick.	225	The raw value load value from the last tick.
159		226
160	=item %cf::CFG	227	=item %cf::CFG
161		228
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	230	from wherever your confdir points to.
164		231
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		233
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
171	=back	250	=back
172		251
173	=cut	252	=cut
174		253
175	BEGIN {	254	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	255	my $msg = join "", @_;
178		256
179	$msg .= "\n"	257	$msg .= "\n"
180	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
181		259
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		261
184	utf8::encode $msg;
185	LOG llevError, $msg;	262	LOG llevError, $msg;
186	};	263	};
187	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
188		278
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	289	for my $pkg (qw(
200	cf::global cf::attachable	290	cf::global cf::attachable
201	cf::object cf::object::player	291	cf::object cf::object::player
202	cf::client cf::player	292	cf::client cf::player
203	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
204	cf::map cf::party cf::region	295	cf::party cf::region
205	)) {	296	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	298	}
209		299
210	$Event::DIED = sub {	300	$EV::DIED = sub {
211	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
212	};	302	};
213		303
214	#############################################################################	304	#############################################################################
215		305
216	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	329	$d
240	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
241	}	331	}
242		332
243	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
244		334
245	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
246		336
247	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
248		338
249	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
250		340
251	=cut	341	=cut
252		342
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		344
255	sub to_json ($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
257		361
258	=item cf::lock_wait $string	362	=item cf::lock_wait $string
259		363
260	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
261		365
262	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
263		367
264	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
267	returned.	371	returned.
268		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
269	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
271		378
272	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
273		380
274	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
275		382
276	=cut	383	=cut
277		384
278	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
279		386
280	sub lock_wait($) {	387	sub lock_wait($) {
281	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	389	}
289		390
290	sub lock_acquire($) {	391	sub lock_acquire($) {
291	my ($key) = @_;	392	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	393	}
303		394
304	sub lock_active($) {	395	sub lock_active($) {
305	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	397	}
309		398
310	sub freeze_mainloop {	399	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
312		401
313	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
315	};	469	}
316	$TICK_WATCHER->stop;	470	};
317	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
318	}	485	}
319		486
320	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
321		488
322	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		494
328	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
329		496
330	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
331		498
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	500	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	502	acceptable.
336		503
337	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		510
344	sub sync_job(&) {	511	sub sync_job(&) {
345	my ($job) = @_;	512	my ($job) = @_;
346		513
347	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	515	my $time = AE::time;
349		516
350	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
352		519
353	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	521
355	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
356		523
357	my $busy = 1;	524	my $busy = 1;
358	my @res;	525	my @res;
359		526
360	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	529	@res = eval { $job->() };
362	warn $@ if $@;	530	warn $@ if $@;
363	undef $busy;	531	undef $busy;
364	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
365		533
366	while ($busy) {	534	while ($busy) {
367	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
368	}	539	}
		540	}
369		541
370	$time = Event::time - $time;	542	my $time = AE::time - $time;
371		543
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
376		545
377	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
378	} else {	547	} else {
379	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
380		549
…		…
405	=item fork_call { }, $args	574	=item fork_call { }, $args
406		575
407	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
411		580
412	=cut	581	=cut
413		582
414	sub fork_call(&@) {	583	sub fork_call(&@) {
415	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
416		585
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	586	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		589
422	if (my $pid = fork) {	590	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	591	reset_signals;
435	local $SIG{__WARN__};	592	&$cb
436	local $SIG{__DIE__};	593	}, @args;
437	eval {
438	close $fh1;
439		594
440	my @res = eval { $cb->(@args) };	595	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	596	}
442	};
443		597
444	warn $@ if $@;	598	sub objinfo {
445	_exit 0;
446	}	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
447	}	634	}
448		635
449	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
450		637
451	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
454		641
455	Stores the given C<$value> in the family. It can currently store binary	642	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
458	=cut	650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
459		668
460	our $DB;	669	our $DB;
461		670
462	sub db_init {	671	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	672	cf::sync_job {
467	eval {	673	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	674	};
477	}	675	}
478		676
479	sub db_get($$) {	677	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
481		679
…		…
531	if (1) {	729	if (1) {
532	$md5 =	730	$md5 =
533	join "\x00",	731	join "\x00",
534	$processversion,	732	$processversion,
535	map {	733	map {
536	Coro::cede;	734	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	736	} 0.. $#$src;
539		737
540		738
541	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		777
580	#############################################################################	778	#############################################################################
581		779
582	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
583		781
584	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
587		785
588	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	788	Deliantra).
591		789
592	=over 4	790	=over 4
593		791
594	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
595		793
…		…
639	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
640		838
641	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
643		841
644	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
646		844
647	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
648		846
649	=over 4	847	=over 4
…		…
847	";	1045	";
848	die if $@;	1046	die if $@;
849	}	1047	}
850		1048
851	our $override;	1049	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1051
854	sub override {	1052	sub override {
855	$override = 1;	1053	$override = 1;
856	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
857	}	1055	}
858		1056
859	sub do_invoke {	1057	sub do_invoke {
860	my $event = shift;	1058	my $event = shift;
861	my $callbacks = shift;	1059	my $callbacks = shift;
862		1060
863	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
864		1062
865	local $override;	1063	local $override;
866		1064
867	for (@$callbacks) {	1065	for (@$callbacks) {
868	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
877	}	1075	}
878		1076
879	0	1077	0
880	}	1078	}
881		1079
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1081
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1083
886	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
887		1085
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1089
892	=back	1090	=back
893		1091
894	=cut	1092	=cut
895		1093
896	#############################################################################	1094	#############################################################################
897	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
898		1138
899	sub reattach {	1139	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1141	my ($obj) = @_;
902		1142
		1143	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1145
905	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
906		1147
907	@$registry = ();	1148	@$registry = ();
908		1149
…		…
923	cf::attachable->attach (	1164	cf::attachable->attach (
924	prio => -1000000,	1165	prio => -1000000,
925	on_instantiate => sub {	1166	on_instantiate => sub {
926	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
927		1168
928	$data = from_json $data;	1169	$data = decode_json $data;
929		1170
930	for (@$data) {	1171	for (@$data) {
931	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
932		1173
933	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1190	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
951		1192
952	sync_job {	1193	sync_job {
953	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
956		1198
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
961	close $fh;	1206	aio_close $fh;
962		1207
963	if (@$objs) {	1208	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
969	close $fh;	1217	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
971	}	1219	}
972	} else {	1220	} else {
973	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
974	}	1222	}
975		1223
976	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1228	} else {
978	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
979	}	1230	}
980	} else {	1231	} else {
981	aio_unlink $filename;	1232	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
983	}	1234	}
984	}	1235	};
985	}	1236	}
986		1237
987	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
989		1240
…		…
1001	or return;	1252	or return;
1002		1253
1003	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1256	or return;
		1257
1006	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1007	}	1260	}
1008		1261
		1262	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1011	return ($data, $av);	1266	($data, $av)
1012	}	1267	}
1013		1268
1014	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1015		1270
1016	=over 4	1271	=over 4
…		…
1070	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1071		1326
1072	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1073	}	1328	}
1074		1329
		1330	use File::Glob ();
		1331
1075	cf::player->attach (	1332	cf::player->attach (
1076	on_command => sub {	1333	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1078		1335
1079	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1080	or return;	1337	or return;
1081		1338
…		…
1089	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1090		1347
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1349
1093	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1099	} else {	1365	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1367	}
1102		1368
1103	cf::override;	1369	cf::override;
1104	},	1370	},
1105	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
1106		1385
1107	sub load_extensions {	1386	sub load_extensions {
1108	cf::sync_job {	1387	cf::sync_job {
1109	my %todo;	1388	my %todo;
1110		1389
…		…
1130		1409
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1412
1134	$ext{source} =	1413	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1137	. $source	1416	. $source
1138	. "\n};\n1";	1417	. "\n};\n1";
1139		1418
1140	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1141	}	1420	}
1142		1421
		1422	my $pass = 0;
1143	my %done;	1423	my %done;
1144	while (%todo) {	1424	while (%todo) {
1145	my $progress;	1425	my $progress;
1146		1426
		1427	++$pass;
		1428
		1429	ext:
1147	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1432	next ext
1150	unless exists $done{$_};	1433	unless exists $done{$_};
1151	}	1434	}
1152		1435
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1437
1155	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1160	warn $msg;	1445
1161	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1447	delete $todo{$k};
1163	}	1448	} else {
1164		1449	$done{$k} = delete $todo{$k};
1165	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1166	}	1455	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1456	}
1172		1457
1173	skip:	1458	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1176	}	1466	}
1177	};	1467	};
1178	}	1468	}
1179		1469
1180	#############################################################################	1470	#############################################################################
1181		1471
1182	=back	1472	=back
1183		1473
1184	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1185		1475
1186	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1187		1477
1188	=cut	1478	=cut
1189		1479
1190	package cf::player;	1480	package cf::player;
1191		1481
1192	use Coro::AIO;	1482	use Coro::AIO;
1193		1483
1194	=head3 cf::player	1484	=head3 cf::player
1195		1485
1196	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1197		1501
1198	=item cf::player::find $login	1502	=item cf::player::find $login
1199		1503
1200	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1201		1505
…		…
1220		1524
1221	sub exists($) {	1525	sub exists($) {
1222	my ($login) = @_;	1526	my ($login) = @_;
1223		1527
1224	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1226	}	1530	}
1227		1531
1228	sub find($) {	1532	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1534	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1545
1242	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1245	}	1555	}
1246	}	1556	}
1247	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1248		1571
1249	sub save($) {	1572	sub save($) {
1250	my ($pl) = @_;	1573	my ($pl) = @_;
1251		1574
1252	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1258		1581
1259	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1261		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1262	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1263	Coro::cede;	1591	cf::cede_to_tick;
1264	}	1592	}
1265		1593
1266	sub new($) {	1594	sub new($) {
1267	my ($login) = @_;	1595	my ($login) = @_;
1268		1596
…		…
1274	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1275		1603
1276	$self	1604	$self
1277	}	1605	}
1278		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1279	=item $pl->quit_character	1617	=item $pl->quit_character
1280		1618
1281	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1283		1621
…		…
1287	my ($pl) = @_;	1625	my ($pl) = @_;
1288		1626
1289	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1290		1628
1291	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1631
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1298		1638
1299	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1676	or return [];
1337		1677
1338	my @logins;	1678	my @logins;
1339		1679
1340	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1344		1690
1345	utf8::decode $login;	1691	utf8::decode $login;
1346	push @logins, $login;	1692	push @logins, $login;
1347	}	1693	}
1348		1694
…		…
1375	}	1721	}
1376		1722
1377	\@paths	1723	\@paths
1378	}	1724	}
1379		1725
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1727
1382	Expand crossfire pod fragments into protocol xml.	1728	Expand deliantra pod fragments into protocol xml.
1383		1729
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)	1730	=item $player->ext_reply ($msgid, @msg)
1414		1731
1415	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1416		1733
1417	=cut	1734	=cut
1418		1735
1419	sub ext_reply($$%) {	1736	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1421		1738
1422	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1740	}
1425		1741
1426	=item $player->ext_event ($type, %msg)	1742	=item $player->ext_msg ($type, @msg)
1427		1743
1428	Sends an ext event to the client.	1744	Sends an ext event to the client.
1429		1745
1430	=cut	1746	=cut
1431		1747
1432	sub ext_event($$%) {	1748	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1749	my ($self, $type, @msg) = @_;
1434		1750
1435	$self->ns->ext_event ($type, %msg);	1751	$self->ns->ext_msg ($type, @msg);
1436	}	1752	}
1437		1753
1438	=head3 cf::region	1754	=head3 cf::region
1439		1755
1440	=over 4	1756	=over 4
…		…
1453	my ($path) = @_;	1769	my ($path) = @_;
1454		1770
1455	my ($match, $specificity);	1771	my ($match, $specificity);
1456		1772
1457	for my $region (list) {	1773	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1774	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1775	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1776	if $region->specificity > $specificity;
1461	}	1777	}
1462	}	1778	}
1463		1779
…		…
1484	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1486		1802
1487	sub generate_random_map {	1803	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1489	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1809	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1583	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1584	return $self;	1903	return $self;
1585	}	1904	}
1586	}	1905	}
1587		1906
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1908	()
1590	}	1909	}
1591		1910
1592	sub init {	1911	sub init {
1593	my ($self) = @_;	1912	my ($self) = @_;
…		…
1615		1934
1616	# the temporary/swap location	1935	# the temporary/swap location
1617	sub save_path {	1936	sub save_path {
1618	my ($self) = @_;	1937	my ($self) = @_;
1619		1938
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1622	}	1941	}
1623		1942
1624	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1625	sub uniq_path {	1944	sub uniq_path {
1626	my ($self) = @_;	1945	my ($self) = @_;
1627		1946
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1948	"$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	}	1949	}
1640		1950
1641	sub decay_objects {	1951	sub decay_objects {
1642	my ($self) = @_;	1952	my ($self) = @_;
1643		1953
…		…
1656		1966
1657	sub load_header_from($) {	1967	sub load_header_from($) {
1658	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1659		1969
1660	utf8::encode $path;	1970	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1666		1979
1667	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1668		1981
1669	1	1982	1
1670	}	1983	}
…		…
1724	sub find {	2037	sub find {
1725	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1726		2039
1727	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1728		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2044
1731	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1734	or return;	2047	or return;
1735		2048
1736	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1737		2050
…		…
1739	or return;	2052	or return;
1740		2053
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1744	$map->reset;	2059	$map->reset;
1745	undef $guard;
1746	return find $path;	2060	return find $path;
1747	}	2061	}
1748		2062
1749	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1750	}	2064	}
1751	}	2065	}
1752		2066
1753	sub pre_load { }	2067	sub pre_load { }
1754	sub post_load { }	2068	#sub post_load { } # XS
1755		2069
1756	sub load {	2070	sub load {
1757	my ($self) = @_;	2071	my ($self) = @_;
1758		2072
1759	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1760		2074
1761	my $path = $self->{path};	2075	my $path = $self->{path};
1762		2076
1763	{	2077	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1765		2079
		2080	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2082
1768	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1769		2084
1770	$self->alloc;	2085	$self->alloc;
1771		2086
1772	$self->pre_load;	2087	$self->pre_load;
1773	Coro::cede;	2088	cf::cede_to_tick;
1774		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2092	$self->_load_objects ($f)
1776	or return;	2093	or return;
1777		2094
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1779	if delete $self->{load_original};	2096	if delete $self->{load_original};
1780		2097
1781	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2099	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2102	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1786	}	2106	}
1787	}	2107	}
1788		2108
1789	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1790	# now do the right thing for maps	2112	# now do the right thing for maps
1791	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2115	unless $self->difficulty;
1794	Coro::cede;	2116	cf::cede_to_tick;
1795		2117
1796	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2119	$self->decay_objects;
1798	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
1799	$self->update_buttons;	2121	$self->update_buttons;
1800	Coro::cede;	2122	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2123	$self->activate;
1804	}	2124	}
1805		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2130	}
1808		2131
1809	$self->post_load;	2132	$self->post_load;
1810	}	2133	}
1811		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1812	sub customise_for {	2138	sub customise_for {
1813	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1814		2140
1815	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2142	if $self->per_player;
…		…
1820		2146
1821	$self	2147	$self
1822	}	2148	}
1823		2149
1824	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2151	sub load_neighbours {
1826	my ($map) = @_;	2152	my ($map) = @_;
1827		2153
1828	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1829		2155
1830	for (0 .. 3) {	2156	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1832	or next;	2158	or next;
1833	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1834	or next;	2160	or next;
1835	$neigh->load;	2161	$neigh->load;
1836		2162
		2163	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2166	}
1840		2167
1841	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1843	or next;	2171	or next;
1844	$neigh->load;	2172	$neigh->load;
1845	}	2173	}
1846	}	2174	}
1847		2175
…		…
1852	}	2180	}
1853		2181
1854	sub do_load_sync {	2182	sub do_load_sync {
1855	my ($map) = @_;	2183	my ($map) = @_;
1856		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1857	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1858	}	2189	}
1859		2190
1860	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1862		2193
1863	sub find_async {	2194	sub find_async {
1864	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1865		2196
1866	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1867		2198
1868	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2201	}
1871		2202
1872	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1873	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1874	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2210	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2211	$map->load if $v;
		2212	}
1879		2213
1880	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1881	}	2215	}
1882	}	2216	}
1883	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1884	};	2218	};
1885	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1886		2220
1887	()	2221	()
1888	}	2222	}
1889		2223
		2224	# common code, used by both ->save and ->swapout
1890	sub save {	2225	sub _save {
1891	my ($self) = @_;	2226	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2227
1895	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1896		2229
1897	return unless $self->dirty;	2230	return unless $self->dirty;
1898		2231
…		…
1904	return if $self->{deny_save};	2237	return if $self->{deny_save};
1905		2238
1906	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1907		2240
1908	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1910	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1911		2247
1912	if ($uniq) {	2248	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2251	} else {
1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917	}	2253	}
1918	}	2254	}
1919		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1920	sub swap_out {	2264	sub swap_out {
1921	my ($self) = @_;	2265	my ($self) = @_;
1922		2266
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1928	return if $self->players;	2271	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1932	$self->clear;	2282	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2283	}
1935		2284
1936	sub reset_at {	2285	sub reset_at {
1937	my ($self) = @_;	2286	my ($self) = @_;
1938		2287
…		…
1956		2305
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2307
1959	return if $self->players;	2308	return if $self->players;
1960		2309
1961	warn "resetting map ", $self->path;	2310	warn "resetting map ", $self->path, "\n";
1962		2311
1963	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
1964		2313
1965	# need to save uniques path	2314	# need to save uniques path
1966	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2319	if $uniq;
1971	}	2320	}
1972		2321
1973	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1974		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2326	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2327
1979	$self->unlink_save;	2328	$self->unlink_save;
1980	$self->destroy;	2329	$self->destroy;
1981	}	2330	}
1982		2331
1983	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1984		2333
1985	sub nuke {	2334	sub nuke {
1986	my ($self) = @_;	2335	my ($self) = @_;
1987		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1988	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1989		2341
1990	$self->unlink_save;	2342	$self->unlink_save;
1991		2343
1992	bless $self, "cf::map";	2344	bless $self, "cf::map";
1993	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2349
1998	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1999		2352
2000	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
2001	}	2354	}
2002		2355
2003	=item $maps = cf::map::tmp_maps	2356	=item $maps = cf::map::tmp_maps
…		…
2045		2398
2046	sub unique_maps() {	2399	sub unique_maps() {
2047	[	2400	[
2048	map {	2401	map {
2049	utf8::decode $_;	2402	utf8::decode $_;
2050	/\.map$/	2403	s/\.map$//; # TODO future compatibility hack
		2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
2051	? normalise $_	2406	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2407	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2408	]
2055	}	2409	}
2056		2410
2057	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
2058		2442
2059	=back	2443	=back
2060		2444
2061	=head3 cf::object	2445	=head3 cf::object
2062		2446
…		…
2066		2450
2067	=over 4	2451	=over 4
2068		2452
2069	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
2070		2454
2071	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
2072		2457
2073	=cut	2458	=cut
2074		2459
2075	sub inv_recursive_;	2460	sub inv_recursive_;
2076	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
2079		2464
2080	sub inv_recursive {	2465	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
2082	}	2467	}
2083		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
2084	package cf;	2497	package cf;
2085		2498
2086	=back	2499	=back
2087		2500
2088	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
2094	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
2096	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
2097		2510
2098	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
2099		2526
2100	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2528	# with dialog boxes.
2102	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
2103	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
2110		2537
2111	} else {	2538	} else {
2112	my $pl = $self->contr;	2539	my $pl = $self->contr;
2113		2540
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2542	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2543	$dialog->{pl}->ext_msg ($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		2544
2123	} else {	2545	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2548	}
2127	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
2128	}	2560	}
2129		2561
2130	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
2131		2563
2132	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
2145		2577
2146	=item $player_object->enter_link	2578	=item $player_object->enter_link
2147		2579
2148	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
2149		2581
2150	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
2151	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
2152		2586
2153	Will never block.	2587	Will never block.
2154		2588
2155	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
2156		2590
…		…
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2616
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
2185		2619
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2621	}
2188		2622
2189	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
2191		2625
…		…
2208	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
2210		2644
2211	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
2214		2648
2215	$map->load;	2649	$map->load;
2216	$map->load_diag;	2650	$map->load_neighbours;
2217		2651
2218	return unless $self->contr->active;	2652	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2653
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
2223	}
2224		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
		2659	}
		2660
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2226		2662
2227	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2664	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	2665	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2666	the new (success) or old (failed) map position. In either case, $done will
		2667	be called at the end of this process.
		2668
		2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
2231		2671
2232	=cut	2672	=cut
2233		2673
2234	our $GOTOGEN;	2674	our $GOTOGEN;
2235		2675
2236	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
2238		2678
2239	# do generation counting so two concurrent goto's will be executed in-order	2679	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2681
2242	$self->enter_link;	2682	$self->enter_link;
2243		2683
2244	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
2245	my $map = eval {	2706	my $map = eval {
2246	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
2247		2708
2248	if ($map) {	2709	if ($map) {
2249	$map = $map->customise_for ($self);	2710	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2711	$map = $check->($map) if $check && $map;
2251	} else {	2712	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2714	}
2254		2715
2255	$map	2716	$map
2256	};	2717	};
2257		2718
…		…
2262		2723
2263	if ($gen == $self->{_goto_generation}) {	2724	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2725	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
2266	}	2727	}
		2728
		2729	$done->() if $done;
2267	})->prio (1);	2730	})->prio (1);
2268	}	2731	}
2269		2732
2270	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
2271		2734
…		…
2291	}	2754	}
2292		2755
2293	sub prepare_random_map {	2756	sub prepare_random_map {
2294	my ($exit) = @_;	2757	my ($exit) = @_;
2295		2758
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2761	# that depends on the exit object
2301		2762
2302	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2765	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2309	}	2772	}
2310		2773
2311	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2312		2775
2313	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2316		2779
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2782	undef $fh;
2320	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2321		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2324	}	2791	}
2325	}	2792	}
2326		2793
2327	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2329		2796
2330	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2331		2798
2332	if ($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;	2799	$self->enter_link;
2344		2800
2345	(async {	2801	(async {
2346	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2347	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2348	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2349		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2350	1;	2825	1
2351	}) {	2826	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2831
2357	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2376		2851
2377	utf8::encode $text;	2852	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2854	}
2380		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2882
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2883	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2884	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	2885	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2886	the message unless the client supports the msg packet.
2387		2887
2388	=cut	2888	=cut
2389		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
2390	sub cf::client::send_msg {	3004	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3005	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3006
2393	$msg = $self->pl->expand_cfpod ($msg);	3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
2394		3009
2395	if ($self->can_msg) {	3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . $self->{json_coder}->encode ([$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		3011
2408	if ($color >= 0) {	3012	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3013	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3014	$channel = $CHANNEL{$channel};
2411	} else {	3015
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3016	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
2414	}	3024	}
2415	}
2416	}
2417	}
2418		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
2419	=item $client->ext_event ($type, %msg)	3043	=item $client->ext_msg ($type, @msg)
2420		3044
2421	Sends an ext event to the client.	3045	Sends an ext event to the client.
2422		3046
2423	=cut	3047	=cut
2424		3048
2425	sub cf::client::ext_event($$%) {	3049	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3050	my ($self, $type, @msg) = @_;
2427		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3055	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
2430	}	3076	}
2431		3077
2432	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2433		3079
2434	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	3135	my ($ns, $buf) = @_;
2490		3136
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		3138
2493	if (ref $msg) {	3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3147	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	3148	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
2500	} else {	3154	} else {
2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2502	}	3156	}
2503		3157
2504	cf::override;	3158	cf::override;
…		…
2526		3180
2527	$coro	3181	$coro
2528	}	3182	}
2529		3183
2530	cf::client->attach (	3184	cf::client->attach (
2531	on_destroy => sub {	3185	on_client_destroy => sub {
2532	my ($ns) = @_;	3186	my ($ns) = @_;
2533		3187
2534	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2535	},	3189	},
2536	);	3190	);
…		…
2551	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2553		3207
2554	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2555		3209
2556	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2557		3215
2558	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2559		3217
2560	=pod	3218	=pod
2561		3219
2562	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2563		3221
2564	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2565	cf::object::player player	3227	cf::object::player
2566	cf::player peaceful	3228	player
2567	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2568		3235
2569	=cut	3236	=cut
2570		3237
2571	for (	3238	for (
2572	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2573	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2575	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2576	) {	3245	) {
2577	no strict 'refs';	3246	no strict 'refs';
2578	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2579	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2597		3266
2598	my $qcode = $code;	3267	my $qcode = $code;
2599	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2600	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2601		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2602	local $_;	3274	local $_;
2603	local @safe::cf::_safe_eval_args = values %vars;
2604		3275
2605	my $eval =	3276	my $eval =
2606	"do {\n"	3277	"do {\n"
2607	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2608	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2609	. $code	3280	. $code
2610	. "\n}"	3281	. "\n}"
2611	;	3282	;
2612		3283
		3284	if ($CFG{safe_eval}) {
2613	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2614	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2615	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2616		3293
2617	if ($@) {	3294	if ($@) {
2618	warn "$@";	3295	warn "$@";
2619	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2620	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2639	=cut	3316	=cut
2640		3317
2641	sub register_script_function {	3318	sub register_script_function {
2642	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2643		3320
2644	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2645	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2646	}	3323	}
2647		3324
2648	=back	3325	=back
2649		3326
2650	=cut	3327	=cut
…		…
2652	#############################################################################	3329	#############################################################################
2653	# the server's init and main functions	3330	# the server's init and main functions
2654		3331
2655	sub load_facedata($) {	3332	sub load_facedata($) {
2656	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2657		3340
2658	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2659		3342
2660	my $facedata;	3343	my $facedata;
2661	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2664	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2665		3348
2666	$facedata->{version} == 2	3349	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2669	{	3361	{
2670	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2671		3363
2672	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2677	Coro::cede;	3371
		3372	cf::cede_to_tick;
2678	}	3373	}
2679		3374
2680	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2682	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2683	or next;	3379	or next;
		3380
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3384	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3386	}
2689	Coro::cede;	3387
		3388	cf::cede_to_tick;
2690	}	3389	}
2691	}	3390	}
2692		3391
2693	{	3392	{
2694	my $anims = $facedata->{animinfo};	3393	my $anims = $facedata->{animinfo};
2695		3394
2696	while (my ($anim, $info) = each %$anims) {	3395	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3397	cf::cede_to_tick;
2699	}	3398	}
2700		3399
2701	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2702	}	3401	}
2703		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
2704	1	3422	1
2705	}	3423	}
2706		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2707	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2708	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2709	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2710	}	3475	}
2711		3476
2712	sub reload_facedata {	3477	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
2715	}	3480	}
2716		3481
2717	sub reload_archetypes {	3482	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3483	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3484	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3485	}
2726		3486
2727	sub reload_treasures {	3487	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2730	}	3490	}
2731		3491
2732	sub reload_resources {	3492	sub reload_resources {
2733	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2734		3494
		3495	reload_facedata;
		3496	reload_archetypes;
2735	reload_regions;	3497	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3498	reload_treasures;
2740		3499
2741	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
2742	}	3501	}
2743		3502
2744	sub init {	3503	sub reload_config {
2745	reload_resources;	3504	warn "reloading config file...\n";
2746	}
2747		3505
2748	sub cfg_load {
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2750	or return;	3507	or return;
2751		3508
2752	local $/;	3509	local $/;
2753	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2754		3511
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2756		3513
2757	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2758	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2762	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2763	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2764	};	3521	};
2765	warn $@ if $@;	3522	warn $@ if $@;
2766	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2767	}	3554	}
2768		3555
2769	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2770	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2772	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2773	(async {	3569	(async {
2774	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2776	};	3573	};
2777		3574
2778	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
2779	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2780	load_extensions;	3598	load_extensions;
2781		3599
2782	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2783	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2784	}	3613	}
2785		3614
2786	#############################################################################	3615	#############################################################################
2787	# initialisation and cleanup	3616	# initialisation and cleanup
2788		3617
2789	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2790	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2799	},
2800	);	3624	};
2801	}	3625	}
2802	}	3626	}
2803		3627
2804	sub write_runtime {	3628	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";	3629	my $t0 = AE::time;
2806		3630
2807	# first touch the runtime file to show we are still running:	3631	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3632	# the fsync below can take a very very long time.
2809		3633
2810	IO::AIO::aio_utime $runtime, undef, undef;	3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3635
2812	my $guard = cf::lock_acquire "write_runtime";	3636	my $guard = cf::lock_acquire "write_runtime";
2813		3637
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2815	or return;	3639	or return;
2816		3640
2817	my $value = $cf::RUNTIME + 90 + 10;	3641	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3642	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3643	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3653	aio_utime $fh, undef, undef;
2830		3654
2831	close $fh	3655	close $fh
2832	or return;	3656	or return;
2833		3657
2834	aio_rename "$runtime~", $runtime	3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3659	and return;
2836		3660
2837	warn "runtime file written.\n";	3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2838		3662
2839	1	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2840	}	3714	}
2841		3715
2842	sub emergency_save() {	3716	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2844		3718
2845	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2846		3720
2847	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2848	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3735	$pl->save;
2856	}	3736	}
2857	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2858		3738
2859	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2860	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3742	$map->valid or next;
2863	$map->save;	3743	$map->save;
2864	}	3744	}
2865	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2866		3746
2867	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2869	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2870	};	3754	};
2871		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2872	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2873	}	3762	}
2874		3763
2875	sub post_cleanup {	3764	sub post_cleanup {
2876	my ($make_core) = @_;	3765	my ($make_core) = @_;
2877		3766
2878	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
2879	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
2880	}	3797	}
2881		3798
2882	sub do_reload_perl() {	3799	sub do_reload_perl() {
2883	# can/must only be called in main	3800	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2885	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2886	return;	3803	return;
2887	}	3804	}
2888		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2889	warn "reloading...";	3811	warn "reloading...";
2890		3812
2891	warn "entering sync_job";	3813	warn "entering sync_job";
2892		3814
2893	cf::sync_job {	3815	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
2895	cf::emergency_save;	3817	cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
2897		3819
2898	warn "syncing database to disk";	3820	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2900		3822
2901	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2902		3824
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2914	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();
2922
2923	warn "removing commands";
2924	%COMMAND = ();
2925
2926	warn "removing ext/exti commands";
2927	%EXTCMD = ();
2928	%EXTICMD = ();
2929
2930	warn "unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";
2933
2934	if (my $cb = $pkg->can ("unload")) {
2935	eval {
2936	$cb->($pkg);
2937	1
2938	} or warn "$pkg unloaded, but with errors: $@";
2939	}	3828	}
2940		3829
2941	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2942	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2943	}	3832	%EXT_CORO = ();
2944		3833
2945	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2946	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2949	warn "... unloading $k";	3843	warn "... unloading $pkg";
2950	delete $INC{$k};
2951		3844
2952	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;
2954
2955	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2956	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2957	}	3854	}
2958		3855
2959	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2960	}	3871	}
2961		3872
2962	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2964	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2965		3876
2966	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2969		3880
2970	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2971	# and global variables created in xs	3882	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2973		3884
2974	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2975		3886
2976	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2977	require cf;	3888	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2979		3890
2980	warn "loading config and database again";	3891	warn "loading config and database again";
2981	cf::cfg_load;	3892	cf::reload_config;
2982		3893
2983	warn "loading extensions";	3894	warn "loading extensions";
2984	cf::load_extensions;	3895	cf::load_extensions;
2985		3896
		3897	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2989	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
2992		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
2993	warn "leaving sync_job";	3909	warn "leaving sync_job";
2994		3910
2995	1	3911	1
2996	} or do {	3912	} or do {
2997	warn $@;	3913	warn $@;
2998	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
2999	exit 1;
3000	};	3915	};
3001		3916
3002	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
3003	};	3923	};
3004		3924
3005	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
3006		3926
3007	sub reload_perl() {	3927	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
3010		3930
3011	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	3933
3014	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	3935	do_reload_perl;
3017	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
3018	},	3937	};
3019	);	3938	};
3020	}	3939	}
3021		3940
3022	register_command "reload" => sub {	3941	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
3024		3943
3025	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	3948	reload_perl;
		3949	};
3028	}	3950	}
3029	};	3951	};
3030		3952
3031	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
3032		3954
…		…
3034		3956
3035	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
3037		3959
3038	sub wait_for_tick {	3960	sub wait_for_tick {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		3962
3042	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;	3965	$signal->wait;
3045	}	3966	}
3046		3967
3047	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
3048	return unless $TICK_WATCHER->is_active;
3049	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3050		3970
3051	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	3973	$signal->wait;
3054	}	3974	}
3055		3975
3056	my $min = 1e6;#d#	3976	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
3068	return;	3980	return;
3069	}	3981	}
3070		3982
3071	$NOW = $tick_start = Event::time;
3072
3073	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
3074		3984
3075	0 && sync_job {#d#	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3076	for(1..10) {
3077	my $t = Event::time;
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3079	or die;
3080		3986
3081	$map->width (50);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3082	$map->height (50);	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3083	$map->alloc;	3989	Coro::async_pool {
3084	$map->_load_objects ("/tmp/x.map", 1);	3990	$Coro::current->{desc} = "runtime saver";
3085	my $t = Event::time - $t;	3991	write_runtime_sync
3086		3992	or warn "ERROR: unable to write runtime file: $!";
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	3993	};
		3994	}
3097		3995
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	3997	$sig->send;
3114	}	3998	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
3116	$sig->send;	4000	$sig->send;
3117	}	4001	}
3118		4002
3119	$NOW = Event::time;	4003	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		4005
3130	_post_tick;	4006	if (0) {
3131		4007	if ($NEXT_TICK) {
3132		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
3133	},	4012	}
3134	);	4013	}
3135		4014
3136	{	4015	{
3137	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	4017
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
3147		4019	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		4021
3163	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
3164	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3165		4029
3166	cf::sync_job {	4030	cf::sync_job {
3167	eval {	4031	eval {
3168	BDB::db_env_open	4032	BDB::db_env_open
3169	$DB_ENV,	4033	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	4037	0666;
3174		4038
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	4040	};
3180		4041
3181	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	4043	};
3183	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
3184	}	4055	}
3185		4056
3186	{	4057	{
		4058	# configure IO::AIO
		4059
3187	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	4063	}
3200		4064
3201	my $_log_backtrace;	4065	my $_log_backtrace;
3202		4066
3203	sub _log_backtrace {	4067	sub _log_backtrace {
…		…
3206	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
3207		4071
3208	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
3210	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
3211	async {	4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
3212	my @bt = fork_call {	4079	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3216	or die "addr2line: $!";	4083	or die "addr2line: $!";
…		…
3224	}	4091	}
3225		4092
3226	@funcs	4093	@funcs
3227	};	4094	};
3228		4095
3229	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	4099	--$_log_backtrace;
3232	};	4100	};
3233	} else {	4101	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3235	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3236	}	4104	}
3237	}	4105	}
3238		4106
3239	# load additional modules	4107	# load additional modules
3240	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3241		4110
3242	END { cf::emergency_save }	4111	END { cf::emergency_save }
3243		4112
3244	1	4113	1
3245		4114

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