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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # 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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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
169	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.
170		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
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$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;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	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	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
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
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
257		375
258	=item cf::lock_wait $string	376	=item cf::lock_wait $string
259		377
260	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
261		379
262	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
263		381
264	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
267	returned.	385	returned.
268		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
269	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
271		392
272	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
273		394
274	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
275		396
276	=cut	397	=cut
277		398
278	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
279		400
280	sub lock_wait($) {	401	sub lock_wait($) {
281	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	403	}
289		404
290	sub lock_acquire($) {	405	sub lock_acquire($) {
291	my ($key) = @_;	406	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	407	}
303		408
304	sub lock_active($) {	409	sub lock_active($) {
305	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	411	}
309		412
310	sub freeze_mainloop {	413	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
312		415
313	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
315	};	483	}
316	$TICK_WATCHER->stop;	484	};
317	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
318	}	499	}
319		500
320	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
321		502
322	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		508
328	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
329		510
330	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
331		512
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	516	acceptable.
336		517
337	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	523	=cut
343		524
344	sub sync_job(&) {	525	sub sync_job(&) {
345	my ($job) = @_;	526	my ($job) = @_;
346		527
347	if ($Coro::current == $Coro::main) {	528	if (in_main) {
348	my $time = Event::time;	529	my $time = AE::time;
349		530
350	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
352		533
353	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	535
355	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
356		537
357	my $busy = 1;	538	my $busy = 1;
358	my @res;	539	my @res;
359		540
360	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	543	@res = eval { $job->() };
362	warn $@ if $@;	544	error $@ if $@;
363	undef $busy;	545	undef $busy;
364	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
365		547
366	while ($busy) {	548	while ($busy) {
367	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
368	}	553	}
		554	}
369		555
370	$time = Event::time - $time;	556	my $time = AE::time - $time;
371		557
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
376		559
377	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
378	} else {	561	} else {
379	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
380		563
…		…
405	=item fork_call { }, $args	588	=item fork_call { }, $args
406		589
407	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
411		594
412	=cut	595	=cut
		596
		597	sub post_fork {
		598	reset_signals;
		599	}
413		600
414	sub fork_call(&@) {	601	sub fork_call(&@) {
415	my ($cb, @args) = @_;	602	my ($cb, @args) = @_;
416		603
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	604	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	605	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	606	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		607
422	if (my $pid = fork) {	608	my @res = Coro::Util::fork_eval {
423	close $fh2;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
424		612
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	613	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	614	}
427		615
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	616	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
447	}	652	}
448		653
449	=item $value = cf::db_get $family => $key	654	=item $value = cf::db_get $family => $key
450		655
451	Returns a single value from the environment database.	656	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	658	=item cf::db_put $family => $key => $value
454		659
455	Stores the given C<$value> in the family. It can currently store binary	660	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
458	=cut	668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
459		689
460	our $DB;	690	our $DB;
461		691
462	sub db_init {	692	sub db_init {
463	unless ($DB) {	693	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	694	}
478		695
479	sub db_get($$) {	696	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	697	my $key = "$_[0]/$_[1]";
481		698
482	cf::sync_job {	699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
483	BDB::db_get $DB, undef, $key, my $data;	702	BDB::db_get $DB, undef, $key, my $data;
484		703
485	$! ? ()	704	$! ? ()
486	: $data	705	: $data
487	}
488	}	706	}
489		707
490	sub db_put($$$) {	708	sub db_put($$$) {
491	BDB::dbreq_pri 4;	709	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	749	if (1) {
532	$md5 =	750	$md5 =
533	join "\x00",	751	join "\x00",
534	$processversion,	752	$processversion,
535	map {	753	map {
536	Coro::cede;	754	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	755	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	756	} 0.. $#$src;
539		757
540		758
541	my $dbmd5 = db_get cache => "$id/md5";	759	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		766
549	my $t1 = Time::HiRes::time;	767	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	768	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	769	my $t2 = Time::HiRes::time;
552		770
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		772
555	db_put cache => "$id/data", $data;	773	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	774	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	775	db_put cache => "$id/meta", $meta;
558		776
…		…
568		786
569	=cut	787	=cut
570		788
571	sub datalog($@) {	789	sub datalog($@) {
572	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	792	}
575		793
576	=back	794	=back
577		795
578	=cut	796	=cut
579		797
580	#############################################################################	798	#############################################################################
581		799
582	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
583		801
584	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
587		805
588	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	808	Deliantra).
591		809
592	=over 4	810	=over 4
593		811
594	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
595		813
…		…
639	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
640		858
641	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
643		861
644	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
646		864
647	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
648		866
649	=over 4	867	=over 4
…		…
773		991
774	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		994
777	} elsif (ref $type) {	995	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
779		997
780	} else {	998	} else {
781	shift @arg;	999	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
783	}	1001	}
784	}	1002	}
785	}	1003	}
786		1004
787	sub _object_attach {	1005	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
798	}	1016	}
799		1017
800	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
801	} else {	1019	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1021	}
804		1022
805	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
806	}	1024	}
807		1025
…		…
847	";	1065	";
848	die if $@;	1066	die if $@;
849	}	1067	}
850		1068
851	our $override;	1069	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1071
854	sub override {	1072	sub override {
855	$override = 1;	1073	$override = 1;
856	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
857	}	1075	}
858		1076
859	sub do_invoke {	1077	sub do_invoke {
860	my $event = shift;	1078	my $event = shift;
861	my $callbacks = shift;	1079	my $callbacks = shift;
862		1080
863	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
864		1082
865	local $override;	1083	local $override;
866		1084
867	for (@$callbacks) {	1085	for (@$callbacks) {
868	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
869		1087
870	if ($@) {	1088	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1090	override;
874	}	1091	}
875		1092
876	return 1 if $override;	1093	return 1 if $override;
877	}	1094	}
878		1095
879	0	1096	0
880	}	1097	}
881		1098
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1100
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1102
886	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
887		1104
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1108
892	=back	1109	=back
893		1110
894	=cut	1111	=cut
895		1112
896	#############################################################################	1113	#############################################################################
897	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
898		1157
899	sub reattach {	1158	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1160	my ($obj) = @_;
902		1161
		1162	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1164
905	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
906		1166
907	@$registry = ();	1167	@$registry = ();
908		1168
…		…
913	for (@$attach) {	1173	for (@$attach) {
914	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
916	}	1176	}
917	} else {	1177	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1179	}
920	}	1180	}
921	}	1181	}
922		1182
923	cf::attachable->attach (	1183	cf::attachable->attach (
924	prio => -1000000,	1184	prio => -1000000,
925	on_instantiate => sub {	1185	on_instantiate => sub {
926	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
927		1187
928	$data = from_json $data;	1188	$data = decode_json $data;
929		1189
930	for (@$data) {	1190	for (@$data) {
931	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
932		1192
933	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1209	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
951		1211
952	sync_job {	1212	sync_job {
953	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
956		1218
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
961	close $fh;	1226	aio_close $fh;
962		1227
963	if (@$objs) {	1228	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
969	close $fh;	1237	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
971	}	1239	}
972	} else {	1240	} else {
973	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
974	}	1242	}
975		1243
976	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1248	} else {
978	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
979	}	1250	}
980	} else {	1251	} else {
981	aio_unlink $filename;	1252	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
983	}	1254	}
984	}	1255	};
985	}	1256	}
986		1257
987	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
989		1260
…		…
1001	or return;	1272	or return;
1002		1273
1003	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1276	or return;
		1277
1006	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
1007	}	1280	}
1008		1281
		1282	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
1011	return ($data, $av);	1287	($data, $av)
1012	}	1288	}
1013		1289
1014	=head2 COMMAND CALLBACKS	1290	=head2 COMMAND CALLBACKS
1015		1291
1016	=over 4	1292	=over 4
…		…
1070	my ($name, $cb) = @_;	1346	my ($name, $cb) = @_;
1071		1347
1072	$EXTICMD{$name} = $cb;	1348	$EXTICMD{$name} = $cb;
1073	}	1349	}
1074		1350
		1351	use File::Glob ();
		1352
1075	cf::player->attach (	1353	cf::player->attach (
1076	on_command => sub {	1354	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
1078		1356
1079	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
1080	or return;	1358	or return;
1081		1359
…		…
1089	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
1090		1368
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1370
1093	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
1099	} else {	1386	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1388	}
1102		1389
1103	cf::override;	1390	cf::override;
1104	},	1391	},
1105	);	1392	);
1106		1393
		1394	# "readahead" all extensions
		1395	sub cache_extensions {
		1396	my $grp = IO::AIO::aio_group;
		1397
		1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1399	for (grep /\.ext$/, @{$_[0]}) {
		1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1401	}
		1402	};
		1403
		1404	$grp
		1405	}
		1406
1107	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
1108	cf::sync_job {	1410	cf::sync_job {
1109	my %todo;	1411	my %todo;
1110		1412
1111	for my $path (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1414	next unless -r $path;
…		…
1130		1432
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1435
1134	$ext{source} =	1436	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1437	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1438	. "#line 1 \"$path\"\n{\n"
1137	. $source	1439	. $source
1138	. "\n};\n1";	1440	. "\n};\n1";
1139		1441
1140	$todo{$base} = \%ext;	1442	$todo{$base} = \%ext;
1141	}	1443	}
1142		1444
		1445	my $pass = 0;
1143	my %done;	1446	my %done;
1144	while (%todo) {	1447	while (%todo) {
1145	my $progress;	1448	my $progress;
1146		1449
		1450	++$pass;
		1451
		1452	ext:
1147	while (my ($k, $v) = each %todo) {	1453	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1454	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1455	next ext
1150	unless exists $done{$_};	1456	unless exists $done{$_};
1151	}	1457	}
1152		1458
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1460
1155	unless (eval $v->{source}) {	1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1464	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1467	if exists $v->{meta}{mandatory};
1160	warn $msg;	1468
1161	warn "mandatory extension failed to load, exiting.\n";	1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1470	delete $todo{$k};
1163	}	1471	} else {
1164		1472	$done{$k} = delete $todo{$k};
1165	warn $msg;	1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
1166	}	1478	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1479	}
1172		1480
1173	skip:	1481	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
1176	}	1489	}
1177	};	1490	};
1178	}	1491	}
1179		1492
1180	#############################################################################	1493	#############################################################################
1181		1494
1182	=back	1495	=back
1183		1496
1184	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1185		1498
1186	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1187		1500
1188	=cut	1501	=cut
1189		1502
1190	package cf::player;	1503	package cf::player;
1191		1504
1192	use Coro::AIO;	1505	use Coro::AIO;
1193		1506
1194	=head3 cf::player	1507	=head3 cf::player
1195		1508
1196	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1197		1524
1198	=item cf::player::find $login	1525	=item cf::player::find $login
1199		1526
1200	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1201		1528
…		…
1220		1547
1221	sub exists($) {	1548	sub exists($) {
1222	my ($login) = @_;	1549	my ($login) = @_;
1223		1550
1224	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1226	}	1553	}
1227		1554
1228	sub find($) {	1555	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1557	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1568
1242	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1245	}	1578	}
1246	}	1579	}
1247	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1248		1594
1249	sub save($) {	1595	sub save($) {
1250	my ($pl) = @_;	1596	my ($pl) = @_;
1251		1597
1252	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1258		1604
1259	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1261		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1262	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1263	Coro::cede;	1614	cf::cede_to_tick;
1264	}	1615	}
1265		1616
1266	sub new($) {	1617	sub new($) {
1267	my ($login) = @_;	1618	my ($login) = @_;
1268		1619
…		…
1274	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1275		1626
1276	$self	1627	$self
1277	}	1628	}
1278		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1279	=item $pl->quit_character	1640	=item $pl->quit_character
1280		1641
1281	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1283		1644
…		…
1287	my ($pl) = @_;	1648	my ($pl) = @_;
1288		1649
1289	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1290		1651
1291	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1654
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1298		1663
1299	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1701	or return [];
1337		1702
1338	my @logins;	1703	my @logins;
1339		1704
1340	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1344		1715
1345	utf8::decode $login;	1716	utf8::decode $login;
1346	push @logins, $login;	1717	push @logins, $login;
1347	}	1718	}
1348		1719
1349	\@logins	1720	\@logins
1350	}	1721	}
1351		1722
1352	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1353		1726
1354	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1355	player. May block.	1728	player. May block.
1356		1729
1357	=cut	1730	=cut
…		…
1375	}	1748	}
1376		1749
1377	\@paths	1750	\@paths
1378	}	1751	}
1379		1752
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1754
1382	Expand crossfire pod fragments into protocol xml.	1755	Expand deliantra pod fragments into protocol xml.
1383		1756
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1428		1758
1429	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1430		1760
1431	=cut	1761	=cut
1432		1762
1433	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1435		1765
1436	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1767	}
1439		1768
1440	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1441		1770
1442	Sends an ext event to the client.	1771	Sends an ext event to the client.
1443		1772
1444	=cut	1773	=cut
1445		1774
1446	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1448		1777
1449	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1450	}	1779	}
1451		1780
1452	=head3 cf::region	1781	=head3 cf::region
1453		1782
1454	=over 4	1783	=over 4
…		…
1464	=cut	1793	=cut
1465		1794
1466	sub find_by_path($) {	1795	sub find_by_path($) {
1467	my ($path) = @_;	1796	my ($path) = @_;
1468		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1469	my ($match, $specificity);	1800	my ($match, $specificity);
1470		1801
1471	for my $region (list) {	1802	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1475	}	1806	}
1476	}	1807	}
1477		1808
…		…
1498	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1500		1831
1501	sub generate_random_map {	1832	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1503	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1504	$self->_create_random_map (	1838	$self->_create_random_map (
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1526		1860
1527	sub register {	1861	sub register {
1528	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1529	my $pkg = caller;	1863	my $pkg = caller;
1530		1864
1531	no strict;
1532	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1533		1866
1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535	}	1868	}
1536		1869
1537	# also paths starting with '/'	1870	# also paths starting with '/'
1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539		1872
1540	sub thawer_merge {	1873	sub thawer_merge {
1541	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1542		1875
1543	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
…		…
1548	}	1881	}
1549		1882
1550	sub normalise {	1883	sub normalise {
1551	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1552		1885
1553	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1554		1887
1555	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1556		1889
1557	# map plan:	1890	# map plan:
1558	#	1891	#
…		…
1597	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1598	return $self;	1931	return $self;
1599	}	1932	}
1600	}	1933	}
1601		1934
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1603	()	1936	()
1604	}	1937	}
1605		1938
1606	sub init {	1939	sub init {
1607	my ($self) = @_;	1940	my ($self) = @_;
…		…
1629		1962
1630	# the temporary/swap location	1963	# the temporary/swap location
1631	sub save_path {	1964	sub save_path {
1632	my ($self) = @_;	1965	my ($self) = @_;
1633		1966
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1636	}	1969	}
1637		1970
1638	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1639	sub uniq_path {	1972	sub uniq_path {
1640	my ($self) = @_;	1973	my ($self) = @_;
1641		1974
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	1977	}
1654		1978
1655	sub decay_objects {	1979	sub decay_objects {
1656	my ($self) = @_;	1980	my ($self) = @_;
1657		1981
…		…
1670		1994
1671	sub load_header_from($) {	1995	sub load_header_from($) {
1672	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1673		1997
1674	utf8::encode $path;	1998	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1680		2007
1681	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1682		2009
1683	1	2010	1
1684	}	2011	}
…		…
1736		2063
1737	sub find;	2064	sub find;
1738	sub find {	2065	sub find {
1739	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1740		2067
		2068	cf::cede_to_tick;
		2069
1741	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1742		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2074
1745	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1748	or return;	2077	or return;
1749		2078
1750	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1751		2080
…		…
1753	or return;	2082	or return;
1754		2083
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1758	$map->reset;	2089	$map->reset;
1759	undef $guard;
1760	return find $path;	2090	return find $path;
1761	}	2091	}
1762		2092
1763	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1764	}	2094	}
1765	}	2095	}
1766		2096
1767	sub pre_load { }	2097	sub pre_load { }
1768	sub post_load { }	2098	#sub post_load { } # XS
1769		2099
1770	sub load {	2100	sub load {
1771	my ($self) = @_;	2101	my ($self) = @_;
1772		2102
1773	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1774		2104
1775	my $path = $self->{path};	2105	my $path = $self->{path};
1776		2106
1777	{	2107	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1779		2109
		2110	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2112
1782	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1783		2114
1784	$self->alloc;	2115	$self->alloc;
1785		2116
1786	$self->pre_load;	2117	$self->pre_load;
1787	Coro::cede;	2118	cf::cede_to_tick;
1788		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1790	or return;	2123	or return;
1791		2124
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1793	if delete $self->{load_original};	2126	if delete $self->{load_original};
1794		2127
1795	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2129	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2132	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1800	}	2136	}
1801	}	2137	}
1802		2138
1803	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1804	# now do the right thing for maps	2142	# now do the right thing for maps
1805	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2145	unless $self->difficulty;
1808	Coro::cede;	2146	cf::cede_to_tick;
1809		2147
1810	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2149	$self->decay_objects;
1812	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1813	$self->update_buttons;	2151	$self->update_buttons;
1814	Coro::cede;	2152	cf::cede_to_tick;
1815	$self->set_darkness_map;
1816	Coro::cede;
1817	$self->activate;	2153	$self->activate;
1818	}	2154	}
1819		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1821	}	2160	}
1822		2161
1823	$self->post_load;	2162	$self->post_load;
1824	}	2163	}
1825		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1826	sub customise_for {	2168	sub customise_for {
1827	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1828		2170
1829	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2172	if $self->per_player;
…		…
1834		2176
1835	$self	2177	$self
1836	}	2178	}
1837		2179
1838	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {	2181	sub load_neighbours {
1840	my ($map) = @_;	2182	my ($map) = @_;
1841		2183
1842	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1843		2185
1844	for (0 .. 3) {	2186	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1846	or next;	2188	or next;
1847	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1848	or next;	2190	or next;
1849	$neigh->load;	2191	$neigh->load;
1850		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2197	}
1854		2198
1855	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1857	or next;	2202	or next;
1858	$neigh->load;	2203	$neigh->load;
1859	}	2204	}
1860	}	2205	}
1861		2206
1862	sub find_sync {	2207	sub find_sync {
1863	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1864		2209
1865	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1866	}	2214	}
1867		2215
1868	sub do_load_sync {	2216	sub do_load_sync {
1869	my ($map) = @_;	2217	my ($map) = @_;
1870		2218
1871	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1872	}	2223	}
1873		2224
1874	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1876		2227
1877	sub find_async {	2228	sub find_async {
1878	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1879		2230
1880	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1881		2232
1882	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884	}	2235	}
1885		2236
1886	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1887	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1888	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2244	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2245	$map->load if $v;
		2246	}
1893		2247
1894	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1895	}	2249	}
1896	}	2250	}
1897	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1898	};	2252	};
1899	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1900		2254
1901	()	2255	()
1902	}	2256	}
1903		2257
		2258	# common code, used by both ->save and ->swapout
1904	sub save {	2259	sub _save {
1905	my ($self) = @_;	2260	my ($self) = @_;
1906
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1908		2261
1909	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1910		2263
1911	return unless $self->dirty;	2264	return unless $self->dirty;
1912		2265
…		…
1918	return if $self->{deny_save};	2271	return if $self->{deny_save};
1919		2272
1920	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1921		2274
1922	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1924	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1925		2281
1926	if ($uniq) {	2282	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2285	} else {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931	}	2287	}
1932	}	2288	}
1933		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1934	sub swap_out {	2298	sub swap_out {
1935	my ($self) = @_;	2299	my ($self) = @_;
1936		2300
1937	# save first because save cedes
1938	$self->save;
1939
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1942	return if $self->players;	2305	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};
1945		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1946	$self->clear;	2316	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2317	}
1949		2318
1950	sub reset_at {	2319	sub reset_at {
1951	my ($self) = @_;	2320	my ($self) = @_;
1952		2321
…		…
1970		2339
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2341
1973	return if $self->players;	2342	return if $self->players;
1974		2343
1975	warn "resetting map ", $self->path;	2344	cf::trace "resetting map ", $self->path, "\n";
1976		2345
1977	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1978		2347
1979	# need to save uniques path	2348	# need to save uniques path
1980	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1984	if $uniq;	2353	if $uniq;
1985	}	2354	}
1986		2355
1987	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1988		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2360	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2361
1993	$self->unlink_save;	2362	$self->unlink_save;
1994	$self->destroy;	2363	$self->destroy;
1995	}	2364	}
1996		2365
1997	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1998		2367
1999	sub nuke {	2368	sub nuke {
2000	my ($self) = @_;	2369	my ($self) = @_;
2001		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
2002	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
2003		2375
2004	$self->unlink_save;	2376	$self->unlink_save;
2005		2377
2006	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
2007	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2383
2012	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
2013		2386
2014	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
2015	}	2388	}
2016		2389
2017	=item $maps = cf::map::tmp_maps	2390	=item $maps = cf::map::tmp_maps
…		…
2059		2432
2060	sub unique_maps() {	2433	sub unique_maps() {
2061	[	2434	[
2062	map {	2435	map {
2063	utf8::decode $_;	2436	utf8::decode $_;
2064	/\.map$/	2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
2065	? normalise $_	2440	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2441	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2442	]
2069	}	2443	}
2070		2444
2071	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
2072		2476
2073	=back	2477	=back
2074		2478
2075	=head3 cf::object	2479	=head3 cf::object
2076		2480
…		…
2080		2484
2081	=over 4	2485	=over 4
2082		2486
2083	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
2084		2488
2085	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
2086		2491
2087	=cut	2492	=cut
2088		2493
2089	sub inv_recursive_;	2494	sub inv_recursive_;
2090	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
2093		2498
2094	sub inv_recursive {	2499	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
2096	}	2501	}
2097		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
2098	package cf;	2531	package cf;
2099		2532
2100	=back	2533	=back
2101		2534
2102	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
2108	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
2110	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
2111		2544
2112	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
2113		2560
2114	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2562	# with dialog boxes.
2116	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
2117	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
2124		2571
2125	} else {	2572	} else {
2126	my $pl = $self->contr;	2573	my $pl = $self->contr;
2127		2574
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2576	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2578
2137	} else {	2579	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2582	}
2141	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
2142	}	2594	}
2143		2595
2144	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
2145		2597
2146	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
2159		2611
2160	=item $player_object->enter_link	2612	=item $player_object->enter_link
2161		2613
2162	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
2163		2615
2164	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
2165	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
2166		2620
2167	Will never block.	2621	Will never block.
2168		2622
2169	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
2170		2624
…		…
2190	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
2191	my ($self) = @_;	2645	my ($self) = @_;
2192		2646
2193	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
2194		2648
		2649	++$self->{_link_recursion};
		2650
2195	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
2196		2652
2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
2199		2655
2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2201	}	2657	}
2202		2658
2203	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
2204	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
2205		2661
…		…
2222	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
2224		2680
2225	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
2228		2684
2229	$map->load;	2685	$map->load;
2230	$map->load_diag;	2686	$map->load_neighbours;
2231		2687
2232	return unless $self->contr->active;	2688	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2689
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
2237	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
2238		2697
		2698	}
		2699
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240		2701
2241	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
2245		2710
2246	=cut	2711	=cut
2247		2712
2248	our $GOTOGEN;	2713	our $GOTOGEN;
2249		2714
2250	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
2252		2723
2253	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2726
2256	$self->enter_link;	2727	$self->enter_link;
2257		2728
2258	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
2259	my $map = eval {	2751	my $map = eval {
2260	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
2261		2753
2262	if ($map) {	2754	if ($map) {
2263	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
2265	} else {	2757	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2759	}
2268		2760
2269	$map	2761	$map
2270	};	2762	};
2271		2763
…		…
2276		2768
2277	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
2280	}	2772	}
		2773
		2774	$done->($self) if $done;
2281	})->prio (1);	2775	})->prio (1);
2282	}	2776	}
2283		2777
2284	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
2285		2779
…		…
2305	}	2799	}
2306		2800
2307	sub prepare_random_map {	2801	sub prepare_random_map {
2308	my ($exit) = @_;	2802	my ($exit) = @_;
2309		2803
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2806	# that depends on the exit object
2315		2807
2316	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2810	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2323	}	2817	}
2324		2818
2325	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2326		2820
2327	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2330		2824
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2827	undef $fh;
2334	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2335		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2338	}	2836	}
2339	}	2837	}
2340		2838
2341	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2343		2841
2344	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2345		2843
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2844	$self->enter_link;
2358		2845
2359	(async {	2846	(async {
2360	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2361	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2362	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2363		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2364	1;	2870	1
2365	}) {	2871	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2368	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2370		2876
2371	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2372	$self->leave_link;	2878	$self->leave_link;
2373	}	2879	}
2374	})->prio (1);	2880	})->prio (1);
2375	}	2881	}
2376		2882
…		…
2390		2896
2391	utf8::encode $text;	2897	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2899	}
2394		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2927
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2928	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2929	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2930	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2931	the message unless the client supports the msg packet.
2401		2932
2402	=cut	2933	=cut
2403		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
2404	sub cf::client::send_msg {	3049	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	3050	my ($self, $channel, $msg, $color, @extra) = @_;
2406		3051
2407	$msg = $self->pl->expand_cfpod ($msg);	3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
2408		3054
2409	if ($self->can_msg) {	3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		3056
2422	if ($color >= 0) {	3057	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	3058	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	3059	$channel = $CHANNEL{$channel};
2425	} else {	3060
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3061	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
2428	}	3069	}
2429	}
2430	}
2431	}
2432		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2433	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2434		3089
2435	Sends an ext event to the client.	3090	Sends an ext event to the client.
2436		3091
2437	=cut	3092	=cut
2438		3093
2439	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2441		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2444	}	3121	}
2445		3122
2446	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2447		3124
2448	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3180	my ($ns, $buf) = @_;
2504		3181
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3183
2507	if (ref $msg) {	3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3192	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3193	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
2514	} else {	3199	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3201	}
2517		3202
2518	cf::override;	3203	cf::override;
2519	},	3204	},
2520	);	3205	);
…		…
2540		3225
2541	$coro	3226	$coro
2542	}	3227	}
2543		3228
2544	cf::client->attach (	3229	cf::client->attach (
2545	on_destroy => sub {	3230	on_client_destroy => sub {
2546	my ($ns) = @_;	3231	my ($ns) = @_;
2547		3232
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3234	},
2550	);	3235	);
…		…
2565	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2567		3252
2568	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2569		3254
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2571		3260
2572	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2573		3262
2574	=pod	3263	=pod
2575		3264
2576	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2577		3266
2578	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2579	cf::object::player player	3272	cf::object::player
2580	cf::player peaceful	3273	player
2581	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2582		3280
2583	=cut	3281	=cut
2584		3282
2585	for (	3283	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2590	) {	3290	) {
2591	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594	for @funs;	3293	for @funs;
2595	}	3294	}
2596		3295
…		…
2611		3310
2612	my $qcode = $code;	3311	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2615		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2616	local $_;	3318	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3319
2619	my $eval =	3320	my $eval =
2620	"do {\n"	3321	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3324	. $code
2624	. "\n}"	3325	. "\n}"
2625	;	3326	;
2626		3327
		3328	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2630		3337
2631	if ($@) {	3338	if ($@) {
2632	warn "$@";	3339	warn "$@",
2633	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2634	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2635	}	3342	}
2636		3343
2637	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2638	}	3345	}
2639		3346
…		…
2653	=cut	3360	=cut
2654		3361
2655	sub register_script_function {	3362	sub register_script_function {
2656	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2657		3364
2658	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2660	}	3367	}
2661		3368
2662	=back	3369	=back
2663		3370
2664	=cut	3371	=cut
…		…
2667	# the server's init and main functions	3374	# the server's init and main functions
2668		3375
2669	sub load_facedata($) {	3376	sub load_facedata($) {
2670	my ($path) = @_;	3377	my ($path) = @_;
2671		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2672	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2673		3386
2674	my $facedata;
2675	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2676	or die "$path: $!";	3388	or die "$path: $!";
2677		3389
2678	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2679		3391
2680	$facedata->{version} == 2	3392	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2683	{	3404	{
2684	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2685		3406
2686	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3414
		3415	cf::cede_to_tick;
2692	}	3416	}
2693		3417
2694	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2696	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2697	or next;	3422	or next;
		3423
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3427	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3429	}
2703	Coro::cede;	3430
		3431	cf::cede_to_tick;
2704	}	3432	}
2705	}	3433	}
2706		3434
2707	{	3435	{
2708	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2709		3437
2710	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3440	cf::cede_to_tick;
2713	}	3441	}
2714		3442
2715	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2716	}	3444	}
2717		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2718	1	3465	1
2719	}	3466	}
2720		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2721	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2722	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
2724	}	3498	}
2725		3499
2726	sub reload_facedata {	3500	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
2729	}	3503	}
2730		3504
2731	sub reload_archetypes {	3505	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3506	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3507	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references
2735	# this really needs to be done in an extra post-pass
2736	# (which needs to be synchronous, so solve it differently)
2737	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";
2739	}	3508	}
2740		3509
2741	sub reload_treasures {	3510	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2744	}	3513	}
2745		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2746	sub reload_resources {	3538	sub reload_resources {
2747	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2748		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2749	reload_regions;	3546	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3547	reload_treasures;
2754		3548
2755	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2756	}	3550	}
2757		3551
2758	sub init {	3552	sub reload_config {
2759	reload_resources;	3553	trace "reloading config file...\n";
2760	}
2761		3554
2762	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2764	or return;
2765		3557
2766	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2767	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2768		3562
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770		3564
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773		3567
2774	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2778	};	3572	};
2779	warn $@ if $@;	3573	warn $@ if $@;
2780	}	3574	}
2781	}	3575	}
2782		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2783	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2784	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3618	(async {
2788	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2790	};	3622	};
2791		3623
2792	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2793	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2794	load_extensions;	3647	load_extensions;
2795		3648
2796	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2798	}	3667	}
2799		3668
2800	#############################################################################	3669	#############################################################################
2801	# initialisation and cleanup	3670	# initialisation and cleanup
2802		3671
2803	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2804	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2813	},
2814	);	3678	};
2815	}	3679	}
2816	}	3680	}
2817		3681
2818	sub write_runtime {	3682	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3683	my $t0 = AE::time;
2820		3684
2821	# first touch the runtime file to show we are still running:	3685	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3686	# the fsync below can take a very very long time.
2823		3687
2824	IO::AIO::aio_utime $runtime, undef, undef;	3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3689
2826	my $guard = cf::lock_acquire "write_runtime";	3690	my $guard = cf::lock_acquire "write_runtime";
2827		3691
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3693	or return;
2830		3694
2831	my $value = $cf::RUNTIME + 90 + 10;	3695	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3696	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3697	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3707	aio_utime $fh, undef, undef;
2844		3708
2845	close $fh	3709	close $fh
2846	or return;	3710	or return;
2847		3711
2848	aio_rename "$runtime~", $runtime	3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3713	and return;
2850		3714
2851	warn "runtime file written.\n";	3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3716
2853	1	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2854	}	3768	}
2855		3769
2856	sub emergency_save() {	3770	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2858		3772
2859	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2860		3779
2861	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2862	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3791	$pl->save;
2870	}	3792	}
2871	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2872		3794
2873	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3800	$map->valid or next;
2877	$map->save;	3801	$map->save;
2878	}	3802	}
2879	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2880		3804
2881	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2884	};	3833	};
2885		3834
2886	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2887	}	3836	}
2888		3837
2889	sub post_cleanup {	3838	sub post_cleanup {
2890	my ($make_core) = @_;	3839	my ($make_core) = @_;
2891		3840
		3841	IO::AIO::flush;
		3842
2892	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2894	}	3873	}
2895		3874
2896	sub do_reload_perl() {	3875	sub do_reload_perl() {
2897	# can/must only be called in main	3876	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2899	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2900	return;	3879	return;
2901	}	3880	}
2902		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2903	warn "reloading...";	3888	info "reloading...";
2904		3889
2905	warn "entering sync_job";	3890	trace "entering sync_job";
2906		3891
2907	cf::sync_job {	3892	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark
2909	cf::emergency_save;	3893	#cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark
2911		3894
2912	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915	# if anything goes wrong in here, we should simply crash as we already saved
2916
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;
2928	warn "iterate...";
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();	3897	%EXT_CORO = ();
2936		3898
2937	warn "removing commands";	3899	trace "removing commands";
2938	%COMMAND = ();	3900	%COMMAND = ();
2939		3901
2940	warn "removing ext/exti commands";	3902	trace "removing ext/exti commands";
2941	%EXTCMD = ();	3903	%EXTCMD = ();
2942	%EXTICMD = ();	3904	%EXTICMD = ();
2943		3905
2944	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2947		3909
2948	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2949	eval {	3911	eval {
2950	$cb->($pkg);	3912	$cb->($pkg);
2951	1	3913	1
2952	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2953	}	3919	}
2954		3920
2955	warn "... nuking $pkg";
2956	Symbol::delete_package $pkg;
2957	}
2958
2959	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2960	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		3924
2963	warn "... unloading $k";	3925	trace "... unloading $k";
2964	delete $INC{$k};	3926	delete $INC{$k};
2965		3927
2966	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2968		3930
2969	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2970	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2971	}	3936	}
2972		3937
2973	Symbol::delete_package $k;
2974	}
2975
2976	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		3941
2980	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		3945
2984	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2985	# and global variables created in xs	3947	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2987		3949
2988	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2989		3951
2990	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2991	require cf;	3953	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2993		3955
2994	warn "loading config and database again";	3956	trace "loading config and database again";
2995	cf::cfg_load;	3957	cf::reload_config;
2996		3958
2997	warn "loading extensions";	3959	trace "loading extensions";
2998	cf::load_extensions;	3960	cf::load_extensions;
2999		3961
		3962	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
3003	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
3006		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
3007	warn "leaving sync_job";	3974	trace "leaving sync_job";
3008		3975
3009	1	3976	1
3010	} or do {	3977	} or do {
3011	warn $@;	3978	error $@;
3012	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
3013	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
3014	};	3984	}
3015		3985
3016	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
3017	};	3988	};
3018		3989
3019	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
3020		3991
3021	sub reload_perl() {	3992	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
3024		3995
3025	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	3998
3028	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	4000	do_reload_perl;
3031	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
3032	},	4002	};
3033	);	4003	};
3034	}	4004	}
3035		4005
3036	register_command "reload" => sub {	4006	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
3038		4008
3039	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	4013	reload_perl;
		4014	};
3042	}	4015	}
3043	};	4016	};
3044		4017
3045	unshift @INC, $LIBDIR;	4018	#############################################################################
3046		4019
3047	my $bug_warning = 0;	4020	my $bug_warning = 0;
3048		4021
3049	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
3051		4024
3052	sub wait_for_tick {	4025	sub wait_for_tick() {
3053	return unless $TICK_WATCHER->is_active;
3054	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055		4027
3056	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	4030	$signal->wait;
3059	}	4031	}
3060		4032
3061	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		4035
3065	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	4038	$signal->wait;
3068	}	4039	}
3069		4040
3070	my $min = 1e6;#d#	4041	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
3082	return;	4045	return;
3083	}	4046	}
3084		4047
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
3088		4049
3089	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090	for(1..10) {
3091	my $t = Event::time;
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093	or die;
3094		4051
3095	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097	$map->alloc;	4054	Coro::async_pool {
3098	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
3099	my $t = Event::time - $t;	4056	write_runtime_sync
3100		4057	or error "ERROR: unable to write runtime file: $!";
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	4058	};
		4059	}
3111		4060
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	4062	$sig->send;
3128	}	4063	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	4065	$sig->send;
3131	}	4066	}
3132		4067
3133	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		4070
3144	_post_tick;	4071	if (0) {
3145		4072	if ($NEXT_TICK) {
3146		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
3147	},	4077	}
3148	);	4078	}
3149		4079
3150	{	4080	{
3151	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	4082
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
3161		4084	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		4086
3177	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4094
3180	cf::sync_job {	4095	cf::sync_job {
3181	eval {	4096	eval {
3182	BDB::db_env_open	4097	BDB::db_env_open
3183	$DB_ENV,	4098	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4102	0666;
3188		4103
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4105	};
3194		4106
3195	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4108	};
3197	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
3198	}	4120	}
3199		4121
3200	{	4122	{
		4123	# configure IO::AIO
		4124
3201	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4128	}
3214		4129
3215	my $_log_backtrace;	4130	my $_log_backtrace;
3216		4131
3217	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
3220	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
3221		4136
3222	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3224	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3225	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3226	my @bt = fork_call {	4144	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3238	}	4156	}
3239		4157
3240	@funcs	4158	@funcs
3241	};	4159	};
3242		4160
3243	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4164	--$_log_backtrace;
3246	};	4165	};
3247	} else {	4166	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3250	}	4169	}
3251	}	4170	}
3252		4171
3253	# load additional modules	4172	# load additional modules
3254	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3255		4175
3256	END { cf::emergency_save }	4176	END { cf::emergency_save }
3257		4177
3258	1	4178	1
3259		4179

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