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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
251	=item cf::lock_wait $string	405	=item cf::lock_wait $string
252		406
253	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
254		408
255	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
256		410
257	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
260	returned.	414	returned.
261		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
262	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
264		421
265	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
266		423
267	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
268		425
269	=cut	426	=cut
270		427
271	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
272		429
273	sub lock_wait($) {	430	sub lock_wait($) {
274	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	432	}
282		433
283	sub lock_acquire($) {	434	sub lock_acquire($) {
284	my ($key) = @_;	435	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	436	}
296		437
297	sub lock_active($) {	438	sub lock_active($) {
298	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	440	}
302		441
303	sub freeze_mainloop {	442	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
305		444
306	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
308	};	512	}
309	$TICK_WATCHER->stop;	513	};
310	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
311	}	528	}
312		529
313	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
314		531
315	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		537
321	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
322		539
323	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
324		541
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	545	acceptable.
329		546
330	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	552	=cut
336		553
337	sub sync_job(&) {	554	sub sync_job(&) {
338	my ($job) = @_;	555	my ($job) = @_;
339		556
340	if ($Coro::current == $Coro::main) {	557	if (in_main) {
341	my $time = Event::time;	558	my $time = AE::time;
342		559
343	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
345		562
346	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	564
348	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
349		566
350	my $busy = 1;	567	my $busy = 1;
351	my @res;	568	my @res;
352		569
353	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	572	@res = eval { $job->() };
355	warn $@ if $@;	573	error $@ if $@;
356	undef $busy;	574	undef $busy;
357	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
358		576
359	while ($busy) {	577	while ($busy) {
360	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
361	}	582	}
		583	}
362		584
363	$time = Event::time - $time;	585	my $time = AE::time - $time;
364		586
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
369		588
370	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
371	} else {	590	} else {
372	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
373		592
…		…
393	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
394		613
395	$coro	614	$coro
396	}	615	}
397		616
398	=item fork_call { }, $args	617	=item fork_call { }, @args
399		618
400	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
404		623
405	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
406		629
407	sub fork_call(&@) {	630	sub fork_call(&@) {
408	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
409		632
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		636
415	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
416	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
417		641
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	643	}
420		644
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
440	}	681	}
441		682
442	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
443		684
444	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
447		688
448	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
451	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
452		718
453	our $DB;	719	our $DB;
454		720
455	sub db_init {	721	sub db_init {
456	unless ($DB) {	722	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	723	}
471		724
472	sub db_get($$) {	725	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
474		727
475	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
476	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
477		732
478	$! ? ()	733	$! ? ()
479	: $data	734	: $data
480	}
481	}	735	}
482		736
483	sub db_put($$$) {	737	sub db_put($$$) {
484	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	778	if (1) {
525	$md5 =	779	$md5 =
526	join "\x00",	780	join "\x00",
527	$processversion,	781	$processversion,
528	map {	782	map {
529	Coro::cede;	783	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	785	} 0.. $#$src;
532		786
533		787
534	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		795
542	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	797	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
545		799
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		801
548	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
551		805
…		…
561		815
562	=cut	816	=cut
563		817
564	sub datalog($@) {	818	sub datalog($@) {
565	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	821	}
568		822
569	=back	823	=back
570		824
571	=cut	825	=cut
572		826
573	#############################################################################	827	#############################################################################
574		828
575	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
576		830
577	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
580		834
581	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	837	Deliantra).
584		838
585	=over 4	839	=over 4
586		840
587	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
588		842
…		…
632	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
633		887
634	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
636		890
637	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
639		893
640	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
641		895
642	=over 4	896	=over 4
…		…
766		1020
767	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1023
770	} elsif (ref $type) {	1024	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
772		1026
773	} else {	1027	} else {
774	shift @arg;	1028	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
776	}	1030	}
777	}	1031	}
778	}	1032	}
779		1033
780	sub _object_attach {	1034	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
791	}	1045	}
792		1046
793	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
794	} else {	1048	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1050	}
797		1051
798	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
799	}	1053	}
800		1054
…		…
840	";	1094	";
841	die if $@;	1095	die if $@;
842	}	1096	}
843		1097
844	our $override;	1098	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1100
847	sub override {	1101	sub override {
848	$override = 1;	1102	$override = 1;
849	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
850	}	1104	}
851		1105
852	sub do_invoke {	1106	sub do_invoke {
853	my $event = shift;	1107	my $event = shift;
854	my $callbacks = shift;	1108	my $callbacks = shift;
855		1109
856	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
857		1111
858	local $override;	1112	local $override;
859		1113
860	for (@$callbacks) {	1114	for (@$callbacks) {
861	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
862		1116
863	if ($@) {	1117	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1119	override;
867	}	1120	}
868		1121
869	return 1 if $override;	1122	return 1 if $override;
870	}	1123	}
871		1124
872	0	1125	0
873	}	1126	}
874		1127
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1129
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1131
879	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
880		1133
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1137
885	=back	1138	=back
886		1139
887	=cut	1140	=cut
888		1141
889	#############################################################################	1142	#############################################################################
890	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
891		1186
892	sub reattach {	1187	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1189	my ($obj) = @_;
895		1190
		1191	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1193
898	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
899		1195
900	@$registry = ();	1196	@$registry = ();
901		1197
…		…
906	for (@$attach) {	1202	for (@$attach) {
907	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
909	}	1205	}
910	} else {	1206	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1208	}
913	}	1209	}
914	}	1210	}
915		1211
916	cf::attachable->attach (	1212	cf::attachable->attach (
917	prio => -1000000,	1213	prio => -1000000,
918	on_instantiate => sub {	1214	on_instantiate => sub {
919	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
920		1216
921	$data = from_json $data;	1217	$data = decode_json $data;
922		1218
923	for (@$data) {	1219	for (@$data) {
924	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
925		1221
926	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1238	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
944		1240
945	sync_job {	1241	sync_job {
946	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
949		1247
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
954	close $fh;	1255	aio_close $fh;
955		1256
956	if (@$objs) {	1257	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
962	close $fh;	1266	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
964	}	1268	}
965	} else {	1269	} else {
966	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
967	}	1271	}
968		1272
969	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1277	} else {
971	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
972	}	1279	}
973	} else {	1280	} else {
974	aio_unlink $filename;	1281	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
976	}	1283	}
977	}	1284	};
978	}	1285	}
979		1286
980	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
982		1289
…		…
994	or return;	1301	or return;
995		1302
996	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
998	or return;	1305	or return;
		1306
999	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1000	}	1309	}
1001		1310
		1311	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1004	return ($data, $av);	1316	($data, $av)
1005	}	1317	}
1006		1318
1007	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1008		1320
1009	=over 4	1321	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1342	}
1031		1343
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1345
1034	Register a callback fro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
1035		1351
1036	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
1037	called.	1353	called.
1038		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
1039	=cut	1366	=cut
1040		1367
1041	sub register_extcmd {	1368	sub register_extcmd {
1042	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
1043		1370
1044	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
1045	}	1372	}
1046		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
1047	cf::player->attach (	1382	cf::player->attach (
1048	on_command => sub {	1383	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1050		1385
1051	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1052	or return;	1387	or return;
1053		1388
…		…
1058	cf::override;	1393	cf::override;
1059	},	1394	},
1060	on_extcmd => sub {	1395	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1062		1397
1063	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1399
1065	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1071	} else {	1415	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1417	}
1074		1418
1075	cf::override;	1419	cf::override;
1076	},	1420	},
1077	);	1421	);
1078		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1079	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1080	cf::sync_job {	1439	cf::sync_job {
1081	my %todo;	1440	my %todo;
1082		1441
1083	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1443	next unless -r $path;
…		…
1102		1461
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1464
1106	$ext{source} =	1465	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1109	. $source	1468	. $source
1110	. "\n};\n1";	1469	. "\n};\n1";
1111		1470
1112	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1113	}	1472	}
1114		1473
		1474	my $pass = 0;
1115	my %done;	1475	my %done;
1116	while (%todo) {	1476	while (%todo) {
1117	my $progress;	1477	my $progress;
1118		1478
		1479	++$pass;
		1480
		1481	ext:
1119	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1484	next ext
1122	unless exists $done{$_};	1485	unless exists $done{$_};
1123	}	1486	}
1124		1487
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1489
1127	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1132	warn $msg;	1497
1133	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1499	delete $todo{$k};
1135	}	1500	} else {
1136		1501	$done{$k} = delete $todo{$k};
1137	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1138	}	1507	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1508	}
1144		1509
1145	skip:	1510	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1148	}	1518	}
1149	};	1519	};
1150	}	1520	}
1151		1521
1152	#############################################################################	1522	#############################################################################
1153		1523
1154	=back	1524	=back
1155		1525
1156	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1157		1527
1158	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1159		1529
1160	=cut	1530	=cut
1161		1531
1162	package cf::player;	1532	package cf::player;
1163		1533
1164	use Coro::AIO;	1534	use Coro::AIO;
1165		1535
1166	=head3 cf::player	1536	=head3 cf::player
1167		1537
1168	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1169		1553
1170	=item cf::player::find $login	1554	=item cf::player::find $login
1171		1555
1172	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1173		1557
…		…
1192		1576
1193	sub exists($) {	1577	sub exists($) {
1194	my ($login) = @_;	1578	my ($login) = @_;
1195		1579
1196	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1198	}	1582	}
1199		1583
1200	sub find($) {	1584	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1586	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1597
1214	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1217	}	1607	}
1218	}	1608	}
1219	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1220		1623
1221	sub save($) {	1624	sub save($) {
1222	my ($pl) = @_;	1625	my ($pl) = @_;
1223		1626
1224	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1230		1633
1231	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1233		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1234	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1235	Coro::cede;	1643	cf::cede_to_tick;
1236	}	1644	}
1237		1645
1238	sub new($) {	1646	sub new($) {
1239	my ($login) = @_;	1647	my ($login) = @_;
1240		1648
…		…
1246	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1247		1655
1248	$self	1656	$self
1249	}	1657	}
1250		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1251	=item $pl->quit_character	1669	=item $pl->quit_character
1252		1670
1253	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1255		1673
…		…
1259	my ($pl) = @_;	1677	my ($pl) = @_;
1260		1678
1261	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1262		1680
1263	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1683
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1269	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1270		1692
1271	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1308	or return [];	1730	or return [];
1309		1731
1310	my @logins;	1732	my @logins;
1311		1733
1312	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1316		1744
1317	utf8::decode $login;	1745	utf8::decode $login;
1318	push @logins, $login;	1746	push @logins, $login;
1319	}	1747	}
1320		1748
1321	\@logins	1749	\@logins
1322	}	1750	}
1323		1751
1324	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1325		1755
1326	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1327	player. May block.	1757	player. May block.
1328		1758
1329	=cut	1759	=cut
…		…
1347	}	1777	}
1348		1778
1349	\@paths	1779	\@paths
1350	}	1780	}
1351		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1352	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1353		1787
1354	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1355		1789
1356	=cut	1790	=cut
1357		1791
1358	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1360		1794
1361	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1796	}
1365		1797
1366	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1367		1799
1368	Sends an ext event to the client.	1800	Sends an ext event to the client.
1369		1801
1370	=cut	1802	=cut
1371		1803
1372	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1374		1806
1375	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1376	}	1808	}
1377		1809
1378	=head3 cf::region	1810	=head3 cf::region
1379		1811
1380	=over 4	1812	=over 4
…		…
1390	=cut	1822	=cut
1391		1823
1392	sub find_by_path($) {	1824	sub find_by_path($) {
1393	my ($path) = @_;	1825	my ($path) = @_;
1394		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1395	my ($match, $specificity);	1829	my ($match, $specificity);
1396		1830
1397	for my $region (list) {	1831	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1401	}	1835	}
1402	}	1836	}
1403		1837
…		…
1424	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1426		1860
1427	sub generate_random_map {	1861	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1429	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1867	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1889
1453	sub register {	1890	sub register {
1454	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1892	my $pkg = caller;
1456		1893
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1895
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1897	}
1462		1898
1463	# also paths starting with '/'	1899	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1901
1466	sub thawer_merge {	1902	sub thawer_merge {
1467	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1468		1904
1469	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1474	}	1910	}
1475		1911
1476	sub normalise {	1912	sub normalise {
1477	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1478		1914
1479	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1480		1916
1481	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1482		1918
1483	# map plan:	1919	# map plan:
1484	#	1920	#
…		…
1523	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1524	return $self;	1960	return $self;
1525	}	1961	}
1526	}	1962	}
1527		1963
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1965	()
1530	}	1966	}
1531		1967
1532	sub init {	1968	sub init {
1533	my ($self) = @_;	1969	my ($self) = @_;
…		…
1555		1991
1556	# the temporary/swap location	1992	# the temporary/swap location
1557	sub save_path {	1993	sub save_path {
1558	my ($self) = @_;	1994	my ($self) = @_;
1559		1995
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1562	}	1998	}
1563		1999
1564	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1565	sub uniq_path {	2001	sub uniq_path {
1566	my ($self) = @_;	2002	my ($self) = @_;
1567		2003
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2006	}
1580		2007
1581	sub decay_objects {	2008	sub decay_objects {
1582	my ($self) = @_;	2009	my ($self) = @_;
1583		2010
…		…
1596		2023
1597	sub load_header_from($) {	2024	sub load_header_from($) {
1598	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1599		2026
1600	utf8::encode $path;	2027	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1606		2036
1607	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1608		2038
1609	1	2039	1
1610	}	2040	}
…		…
1662		2092
1663	sub find;	2093	sub find;
1664	sub find {	2094	sub find {
1665	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1666		2096
		2097	cf::cede_to_tick;
		2098
1667	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1668		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2103
1671	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1674	or return;	2106	or return;
1675		2107
1676	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1677		2109
…		…
1679	or return;	2111	or return;
1680		2112
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1684	$map->reset;	2118	$map->reset;
1685	undef $guard;
1686	return find $path;	2119	return find $path;
1687	}	2120	}
1688		2121
1689	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1690	}	2123	}
1691	}	2124	}
1692		2125
1693	sub pre_load { }	2126	sub pre_load { }
1694	sub post_load { }	2127	#sub post_load { } # XS
1695		2128
1696	sub load {	2129	sub load {
1697	my ($self) = @_;	2130	my ($self) = @_;
1698		2131
1699	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1700		2133
1701	my $path = $self->{path};	2134	my $path = $self->{path};
1702		2135
1703	{	2136	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1705		2138
		2139	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2141
1708	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1709		2143
1710	$self->alloc;	2144	$self->alloc;
1711		2145
1712	$self->pre_load;	2146	$self->pre_load;
1713	Coro::cede;	2147	cf::cede_to_tick;
1714		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1716	or return;	2152	or return;
1717		2153
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1719	if delete $self->{load_original};	2155	if delete $self->{load_original};
1720		2156
1721	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2158	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2161	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1726	}	2165	}
1727	}	2166	}
1728		2167
1729	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1730	# now do the right thing for maps	2171	# now do the right thing for maps
1731	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2174	unless $self->difficulty;
1734	Coro::cede;	2175	cf::cede_to_tick;
1735		2176
1736	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2178	$self->decay_objects;
1738	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1739	$self->update_buttons;	2180	$self->update_buttons;
1740	Coro::cede;	2181	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2182	$self->activate;
1744	}	2183	}
1745		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2189	}
1748		2190
1749	$self->post_load;	2191	$self->post_load;
1750	}	2192	}
1751		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2197	sub customise_for {
1753	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1754		2199
1755	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2201	if $self->per_player;
…		…
1760		2205
1761	$self	2206	$self
1762	}	2207	}
1763		2208
1764	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2210	sub load_neighbours {
1766	my ($map) = @_;	2211	my ($map) = @_;
1767		2212
1768	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1769		2214
1770	for (0 .. 3) {	2215	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1772	or next;	2217	or next;
1773	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1774	or next;	2219	or next;
1775	$neigh->load;	2220	$neigh->load;
1776		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2226	}
1780		2227
1781	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1783	or next;	2231	or next;
1784	$neigh->load;	2232	$neigh->load;
1785	}	2233	}
1786	}	2234	}
1787		2235
1788	sub find_sync {	2236	sub find_sync {
1789	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1790		2238
1791	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1792	}	2243	}
1793		2244
1794	sub do_load_sync {	2245	sub do_load_sync {
1795	my ($map) = @_;	2246	my ($map) = @_;
1796		2247
1797	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1798	}	2252	}
1799		2253
1800	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1802		2256
1803	sub find_async {	2257	sub find_async {
1804	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1805		2259
1806	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1807		2261
1808	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2264	}
1811		2265
1812	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1813	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1814	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2273	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2274	$map->load if $v;
		2275	}
1819		2276
1820	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1821	}	2278	}
1822	}	2279	}
1823	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1824	};	2281	};
1825	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1826		2283
1827	()	2284	()
1828	}	2285	}
1829		2286
		2287	# common code, used by both ->save and ->swapout
1830	sub save {	2288	sub _save {
1831	my ($self) = @_;	2289	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2290
1835	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1836		2292
1837	return unless $self->dirty;	2293	return unless $self->dirty;
1838		2294
…		…
1844	return if $self->{deny_save};	2300	return if $self->{deny_save};
1845		2301
1846	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1847		2303
1848	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1850	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1851		2310
1852	if ($uniq) {	2311	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2314	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2316	}
1858	}	2317	}
1859		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1860	sub swap_out {	2327	sub swap_out {
1861	my ($self) = @_;	2328	my ($self) = @_;
1862		2329
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1868	return if $self->players;	2334	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1872	$self->clear;	2345	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2346	}
1875		2347
1876	sub reset_at {	2348	sub reset_at {
1877	my ($self) = @_;	2349	my ($self) = @_;
1878		2350
…		…
1896		2368
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2370
1899	return if $self->players;	2371	return if $self->players;
1900		2372
1901	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
1902		2374
1903	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
1904		2376
1905	# need to save uniques path	2377	# need to save uniques path
1906	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2382	if $uniq;
1911	}	2383	}
1912		2384
1913	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1914		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2389	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2390
1919	$self->unlink_save;	2391	$self->unlink_save;
1920	$self->destroy;	2392	$self->destroy;
1921	}	2393	}
1922		2394
1923	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1924		2396
1925	sub nuke {	2397	sub nuke {
1926	my ($self) = @_;	2398	my ($self) = @_;
1927		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1928	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1929		2404
1930	$self->unlink_save;	2405	$self->unlink_save;
1931		2406
1932	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2412
1938	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1939		2415
1940	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
1941	}	2417	}
1942		2418
1943	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
1985		2461
1986	sub unique_maps() {	2462	sub unique_maps() {
1987	[	2463	[
1988	map {	2464	map {
1989	utf8::decode $_;	2465	utf8::decode $_;
1990	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
1991	? normalise $_	2469	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2471	]
1995	}	2472	}
1996		2473
1997	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
1998		2505
1999	=back	2506	=back
2000		2507
2001	=head3 cf::object	2508	=head3 cf::object
2002		2509
…		…
2006		2513
2007	=over 4	2514	=over 4
2008		2515
2009	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
2010		2517
2011	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
2012		2520
2013	=cut	2521	=cut
2014		2522
2015	sub inv_recursive_;	2523	sub inv_recursive_;
2016	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
2019		2527
2020	sub inv_recursive {	2528	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
2022	}	2530	}
2023		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
2024	package cf;	2560	package cf;
2025		2561
2026	=back	2562	=back
2027		2563
2028	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
2037		2573
2038	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
2039		2589
2040	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2591	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
2050		2600
2051	} else {	2601	} else {
2052	my $pl = $self->contr;	2602	my $pl = $self->contr;
2053		2603
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2605	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2607
2060	} else {	2608	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2611	}
2064	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
2065	}	2623	}
2066		2624
2067	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
2068		2626
2069	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
2082		2640
2083	=item $player_object->enter_link	2641	=item $player_object->enter_link
2084		2642
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2644
2087	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
2089		2649
2090	Will never block.	2650	Will never block.
2091		2651
2092	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
2093		2653
…		…
2113	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2674	my ($self) = @_;
2115		2675
2116	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
2117		2677
		2678	++$self->{_link_recursion};
		2679
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2681
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
2122		2684
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2686	}
2125		2687
2126	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
2128		2690
…		…
2145	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2147		2709
2148	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2151		2713
2152	$map->load;	2714	$map->load;
2153	$map->load_diag;	2715	$map->load_neighbours;
2154		2716
2155	return unless $self->contr->active;	2717	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2718
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2160	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2161		2726
		2727	}
		2728
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2730
2164	Moves the player to the given map-path and coordinates by first freezing	2731	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2732	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2733	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
2168		2739
2169	=cut	2740	=cut
2170		2741
2171	our $GOTOGEN;	2742	our $GOTOGEN;
2172		2743
2173	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
2175		2752
2176	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2755
2179	$self->enter_link;	2756	$self->enter_link;
2180		2757
2181	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2182	my $map = eval {	2780	my $map = eval {
2183	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2184		2782
2185	if ($map) {	2783	if ($map) {
2186	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2786	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2788	}
2191		2789
2192	$map	2790	$map
2193	};	2791	};
2194		2792
…		…
2199		2797
2200	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2203	}	2801	}
		2802
		2803	$done->($self) if $done;
2204	})->prio (1);	2804	})->prio (1);
2205	}	2805	}
2206		2806
2207	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2208		2808
…		…
2228	}	2828	}
2229		2829
2230	sub prepare_random_map {	2830	sub prepare_random_map {
2231	my ($exit) = @_;	2831	my ($exit) = @_;
2232		2832
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2835	# that depends on the exit object
2238		2836
2239	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2839	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2246	}	2846	}
2247		2847
2248	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2249		2849
2250	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2253		2853
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2856	undef $fh;
2257	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2258		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2261	}	2865	}
2262	}	2866	}
2263		2867
2264	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2266		2870
2267	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2268		2872
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2873	$self->enter_link;
2281		2874
2282	(async {	2875	(async {
2283	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2284	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2285	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2286		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2287	1;	2899	1
2288	}) {	2900	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2905
2294	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2907	$self->leave_link;
2296	}	2908	}
2297	})->prio (1);	2909	})->prio (1);
2298	}	2910	}
2299		2911
…		…
2313		2925
2314	utf8::encode $text;	2926	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2928	}
2317		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
2318	=item $client->ext_event ($type, %msg)	3117	=item $client->ext_msg ($type, @msg)
2319		3118
2320	Sends an exti event to the client.	3119	Sends an ext event to the client.
2321		3120
2322	=cut	3121	=cut
2323		3122
2324	sub cf::client::ext_event($$%) {	3123	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3124	my ($self, $type, @msg) = @_;
2326		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3129	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
2329	}	3150	}
2330		3151
2331	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2332		3153
2333	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3157
2337	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3159	become reliable at some point in the future.
2339		3160
2340	=cut	3161	=cut
2341		3162
2342	sub cf::client::query {	3163	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3172	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3174
2354	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
2356	}	3179	}
2357		3180
2358	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
2359	on_reply => sub {	3187	on_reply => sub {
2360	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
2361		3189
2362	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
2363	# get handled first	3191	# get handled first
…		…
2375	} else {	3203	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3205	}
2378	}	3206	}
2379	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
2380	);	3234	);
2381		3235
2382	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2383		3237
2384	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3254
2401	$coro	3255	$coro
2402	}	3256	}
2403		3257
2404	cf::client->attach (	3258	cf::client->attach (
2405	on_destroy => sub {	3259	on_client_destroy => sub {
2406	my ($ns) = @_;	3260	my ($ns) = @_;
2407		3261
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3263	},
2410	);	3264	);
…		…
2425	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2427		3281
2428	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2429		3283
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2431		3289
2432	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2433		3291
2434	=pod	3292	=pod
2435		3293
2436	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2437		3295
2438	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2439	cf::object::player player	3301	cf::object::player
2440	cf::player peaceful	3302	player
2441	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2442		3309
2443	=cut	3310	=cut
2444		3311
2445	for (	3312	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2450	) {	3319	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3322	for @funs;
2455	}	3323	}
2456		3324
…		…
2471		3339
2472	my $qcode = $code;	3340	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2475		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2476	local $_;	3347	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3348
2479	my $eval =	3349	my $eval =
2480	"do {\n"	3350	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3353	. $code
2484	. "\n}"	3354	. "\n}"
2485	;	3355	;
2486		3356
		3357	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2490		3366
2491	if ($@) {	3367	if ($@) {
2492	warn "$@";	3368	warn "$@",
2493	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2495	}	3371	}
2496		3372
2497	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2498	}	3374	}
2499		3375
…		…
2513	=cut	3389	=cut
2514		3390
2515	sub register_script_function {	3391	sub register_script_function {
2516	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2517		3393
2518	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2520	}	3396	}
2521		3397
2522	=back	3398	=back
2523		3399
2524	=cut	3400	=cut
…		…
2527	# the server's init and main functions	3403	# the server's init and main functions
2528		3404
2529	sub load_facedata($) {	3405	sub load_facedata($) {
2530	my ($path) = @_;	3406	my ($path) = @_;
2531		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2532	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2533		3415
2534	my $facedata;
2535	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2536	or die "$path: $!";	3417	or die "$path: $!";
2537		3418
2538	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2539		3420
2540	$facedata->{version} == 2	3421	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2543	{	3433	{
2544	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2545		3435
2546	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3443
		3444	cf::cede_to_tick;
2552	}	3445	}
2553		3446
2554	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2556	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2557	or next;	3451	or next;
		3452
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3456	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3458	}
2563	Coro::cede;	3459
		3460	cf::cede_to_tick;
2564	}	3461	}
2565	}	3462	}
2566		3463
2567	{	3464	{
2568	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2569		3466
2570	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3469	cf::cede_to_tick;
2573	}	3470	}
2574		3471
2575	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2576	}	3473	}
2577		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2578	1	3494	1
2579	}	3495	}
2580		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2581	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2582	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2584	}	3527	}
2585		3528
2586	sub reload_facedata {	3529	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3539	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2599	}	3542	}
2600		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2601	sub reload_resources {	3567	sub reload_resources {
2602	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2603		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2604	reload_regions;	3575	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3576	reload_treasures;
2609		3577
2610	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2611	}	3579	}
2612		3580
2613	sub init {	3581	sub reload_config {
2614	reload_resources;	3582	trace "reloading config file...\n";
2615	}
2616		3583
2617	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
2619	or return;
2620		3586
2621	local $/;	3587	utf8::decode $config;
2622	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
2623		3589
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3591
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3594
2629	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2633	};	3599	};
2634	warn $@ if $@;	3600	warn $@ if $@;
2635	}	3601	}
2636	}	3602	}
2637		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2638	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2639	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3645	(async {
2643	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2645	};	3649	};
2646		3650
2647	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
2648	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2649	load_extensions;	3674	load_extensions;
2650		3675
2651	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2653	}	3694	}
2654		3695
2655	#############################################################################	3696	#############################################################################
2656	# initialisation and cleanup	3697	# initialisation and cleanup
2657		3698
2658	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2659	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2668	},
2669	);	3705	};
2670	}	3706	}
2671	}	3707	}
2672		3708
2673	sub write_runtime {	3709	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3710	my $t0 = AE::time;
2675		3711
2676	# first touch the runtime file to show we are still running:	3712	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3713	# the fsync below can take a very very long time.
2678		3714
2679	IO::AIO::aio_utime $runtime, undef, undef;	3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3716
2681	my $guard = cf::lock_acquire "write_runtime";	3717	my $guard = cf::lock_acquire "write_runtime";
2682		3718
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3720	or return;
2685		3721
2686	my $value = $cf::RUNTIME + 90 + 10;	3722	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3723	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3724	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3734	aio_utime $fh, undef, undef;
2699		3735
2700	close $fh	3736	close $fh
2701	or return;	3737	or return;
2702		3738
2703	aio_rename "$runtime~", $runtime	3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3740	and return;
2705		3741
2706	warn "runtime file written.\n";	3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3743
2708	1	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2709	}	3795	}
2710		3796
2711	sub emergency_save() {	3797	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2713		3799
2714	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2715		3806
2716	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2717	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3818	$pl->save;
2725	}	3819	}
2726	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2727		3821
2728	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3827	$map->valid or next;
2732	$map->save;	3828	$map->save;
2733	}	3829	}
2734	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
2735		3831
2736	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3860	};
2740		3861
2741	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2742	}	3863	}
2743		3864
2744	sub post_cleanup {	3865	sub post_cleanup {
2745	my ($make_core) = @_;	3866	my ($make_core) = @_;
2746		3867
		3868	IO::AIO::flush;
		3869
2747	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
2749	}	3900	}
2750		3901
2751	sub do_reload_perl() {	3902	sub do_reload_perl() {
2752	# can/must only be called in main	3903	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2754	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2755	return;	3906	return;
2756	}	3907	}
2757		3908
2758	warn "reloading...";	3909	return if $RELOAD++;
2759		3910
2760	warn "entering sync_job";	3911	my $t1 = AE::time;
2761		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
2762	cf::sync_job {	3919	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3920	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3921
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3924	%EXT_CORO = ();
2791		3925
2792	warn "removing commands";	3926	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3927	%COMMAND = ();
2794		3928
2795	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2797		3932
2798	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2801		3936
2802	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3938	eval {
2804	$cb->($pkg);	3939	$cb->($pkg);
2805	1	3940	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2807	}	3946	}
2808		3947
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3951
2817	warn "... unloading $k";	3952	trace "... unloading $k";
2818	delete $INC{$k};	3953	delete $INC{$k};
2819		3954
2820	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2822		3957
2823	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2825	}	3963	}
2826		3964
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3968
2834	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3972
2838	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3974	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2841		3976
2842	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2843		3978
2844	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2845	require cf;	3980	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2847		3982
2848	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	3984	cf::reload_config;
2850		3985
2851	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	3987	cf::load_extensions;
2853		3988
		3989	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
2860		3997
2861	warn "leaving sync_job";	3998	cf::_post_init 1;
2862		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
2863	1	4002	1
2864	} or do {	4003	} or do {
2865	warn $@;	4004	error $@;
2866	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4006	};
		4007
		4008	--$RELOAD;
2868	};	4009	}
2869		4010
2870	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
2871	};	4013	};
2872		4014
2873	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
2874		4016
2875	sub reload_perl() {	4017	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
2878		4020
2879	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4023
2882	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4025	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
2886	},	4027	};
2887	);	4028	};
2888	}	4029	}
2889		4030
2890	register_command "reload" => sub {	4031	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2892		4033
2893	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4038	reload_perl;
		4039	};
2896	}	4040	}
2897	};	4041	};
2898		4042
2899	unshift @INC, $LIBDIR;	4043	#############################################################################
2900		4044
2901	my $bug_warning = 0;	4045	my $bug_warning = 0;
2902		4046
2903	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
2905		4049
2906	sub wait_for_tick {	4050	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4052
2910	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4055	$signal->wait;
2913	}	4056	}
2914		4057
2915	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4060
2919	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4063	$signal->wait;
2922	}	4064	}
2923		4065
2924	my $min = 1e6;#d#	4066	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
2936	return;	4070	return;
2937	}	4071	}
2938		4072
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2942		4074
2943	0 && sync_job {#d#	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4076
2949	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4079	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4081	write_runtime_sync
2954		4082	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4083	};
		4084	}
2965		4085
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4087	$sig->send;
2982	}	4088	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4090	$sig->send;
2985	}	4091	}
2986		4092
2987	$NOW = Event::time;	4093	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4095
2998	_post_tick;	4096	if (0) {
2999		4097	if ($NEXT_TICK) {
3000		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
3001	},	4102	}
3002	);	4103	}
3003		4104
3004	{	4105	{
3005	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4107
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
3015		4109	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4111
3031	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4119
3034	cf::sync_job {	4120	cf::sync_job {
3035	eval {	4121	eval {
3036	BDB::db_env_open	4122	BDB::db_env_open
3037	$DB_ENV,	4123	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4127	0666;
3042		4128
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4130	};
3048		4131
3049	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4133	};
3051	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3052	}	4145	}
3053		4146
3054	{	4147	{
		4148	# configure IO::AIO
		4149
3055	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4153	}
3068		4154
3069	my $_log_backtrace;	4155	my $_log_backtrace;
3070		4156
3071	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3075		4161
3076	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3079	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3080	my @bt = fork_call {	4169	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3092	}	4181	}
3093		4182
3094	@funcs	4183	@funcs
3095	};	4184	};
3096		4185
3097	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4189	--$_log_backtrace;
3100	};	4190	};
3101	} else {	4191	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4194	}
3105	}	4195	}
3106		4196
3107	# load additional modules	4197	# load additional modules
3108	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3109		4200
3110	END { cf::emergency_save }	4201	END { cf::emergency_save }
3111		4202
3112	1	4203	1
3113		4204

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