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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item 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	}
		375
251	=item cf::lock_wait $string	376	=item cf::lock_wait $string
252		377
253	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
254		379
255	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
256		381
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
260	returned.	385	returned.
261		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
262	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
263	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
264		392
265	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
266		394
267	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.
268		396
269	=cut	397	=cut
270		398
271	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
272		400
273	sub lock_wait($) {	401	sub lock_wait($) {
274	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	403	}
282		404
283	sub lock_acquire($) {	405	sub lock_acquire($) {
284	my ($key) = @_;	406	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	407	}
296		408
297	sub lock_active($) {	409	sub lock_active($) {
298	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	411	}
302		412
303	sub freeze_mainloop {	413	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
305		415
306	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
308	};	483	}
309	$TICK_WATCHER->stop;	484	};
310	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
311	}	499	}
312		500
313	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
314		502
315	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		508
321	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
322		510
323	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
324		512
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	516	acceptable.
329		517
330	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	523	=cut
336		524
337	sub sync_job(&) {	525	sub sync_job(&) {
338	my ($job) = @_;	526	my ($job) = @_;
339		527
340	if ($Coro::current == $Coro::main) {	528	if (in_main) {
341	my $time = Event::time;	529	my $time = AE::time;
342		530
343	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
345		533
346	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	535
348	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
349		537
350	my $busy = 1;	538	my $busy = 1;
351	my @res;	539	my @res;
352		540
353	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	543	@res = eval { $job->() };
355	warn $@ if $@;	544	error $@ if $@;
356	undef $busy;	545	undef $busy;
357	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
358		547
359	while ($busy) {	548	while ($busy) {
360	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
361	}	553	}
		554	}
362		555
363	$time = Event::time - $time;	556	my $time = AE::time - $time;
364		557
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
369		559
370	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
371	} else {	561	} else {
372	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
373		563
…		…
398	=item fork_call { }, $args	588	=item fork_call { }, $args
399		589
400	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
404		594
405	=cut	595	=cut
		596
		597	sub post_fork {
		598	reset_signals;
		599	}
406		600
407	sub fork_call(&@) {	601	sub fork_call(&@) {
408	my ($cb, @args) = @_;	602	my ($cb, @args) = @_;
409		603
410	# 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,
411	# or die "socketpair: $!";	605	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	606	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		607
415	if (my $pid = fork) {	608	my @res = Coro::Util::fork_eval {
416	close $fh2;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
417		612
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	613	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	614	}
420		615
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	616	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	652	}
441		653
442	=item $value = cf::db_get $family => $key	654	=item $value = cf::db_get $family => $key
443		655
444	Returns a single value from the environment database.	656	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	658	=item cf::db_put $family => $key => $value
447		659
448	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
449	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).
450		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
451	=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	}
452		689
453	our $DB;	690	our $DB;
454		691
455	sub db_init {	692	sub db_init {
456	unless ($DB) {	693	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	694	}
471		695
472	sub db_get($$) {	696	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	697	my $key = "$_[0]/$_[1]";
474		698
475	cf::sync_job {	699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
476	BDB::db_get $DB, undef, $key, my $data;	702	BDB::db_get $DB, undef, $key, my $data;
477		703
478	$! ? ()	704	$! ? ()
479	: $data	705	: $data
480	}
481	}	706	}
482		707
483	sub db_put($$$) {	708	sub db_put($$$) {
484	BDB::dbreq_pri 4;	709	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	749	if (1) {
525	$md5 =	750	$md5 =
526	join "\x00",	751	join "\x00",
527	$processversion,	752	$processversion,
528	map {	753	map {
529	Coro::cede;	754	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	755	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	756	} 0.. $#$src;
532		757
533		758
534	my $dbmd5 = db_get cache => "$id/md5";	759	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		766
542	my $t1 = Time::HiRes::time;	767	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	768	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	769	my $t2 = Time::HiRes::time;
545		770
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		772
548	db_put cache => "$id/data", $data;	773	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	774	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	775	db_put cache => "$id/meta", $meta;
551		776
…		…
561		786
562	=cut	787	=cut
563		788
564	sub datalog($@) {	789	sub datalog($@) {
565	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	792	}
568		793
569	=back	794	=back
570		795
571	=cut	796	=cut
572		797
573	#############################################################################	798	#############################################################################
574		799
575	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
576		801
577	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
578	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")
579	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
580		805
581	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>
582	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
583	Crossfire TRT).	808	Deliantra).
584		809
585	=over 4	810	=over 4
586		811
587	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
588		813
…		…
632	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
633		858
634	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
635	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
636		861
637	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
639		864
640	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
641		866
642	=over 4	867	=over 4
…		…
766		991
767	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		994
770	} elsif (ref $type) {	995	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
772		997
773	} else {	998	} else {
774	shift @arg;	999	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
776	}	1001	}
777	}	1002	}
778	}	1003	}
779		1004
780	sub _object_attach {	1005	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
791	}	1016	}
792		1017
793	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
794	} else {	1019	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1021	}
797		1022
798	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
799	}	1024	}
800		1025
…		…
840	";	1065	";
841	die if $@;	1066	die if $@;
842	}	1067	}
843		1068
844	our $override;	1069	our $override;
845	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?
846		1071
847	sub override {	1072	sub override {
848	$override = 1;	1073	$override = 1;
849	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
850	}	1075	}
851		1076
852	sub do_invoke {	1077	sub do_invoke {
853	my $event = shift;	1078	my $event = shift;
854	my $callbacks = shift;	1079	my $callbacks = shift;
855		1080
856	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
857		1082
858	local $override;	1083	local $override;
859		1084
860	for (@$callbacks) {	1085	for (@$callbacks) {
861	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
862		1087
863	if ($@) {	1088	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1090	override;
867	}	1091	}
868		1092
869	return 1 if $override;	1093	return 1 if $override;
870	}	1094	}
871		1095
872	0	1096	0
873	}	1097	}
874		1098
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1100
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1102
879	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
880		1104
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1108
885	=back	1109	=back
886		1110
887	=cut	1111	=cut
888		1112
889	#############################################################################	1113	#############################################################################
890	# 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	}
891		1157
892	sub reattach {	1158	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1160	my ($obj) = @_;
895		1161
		1162	# no longer needed after getting rid of delete_package?
896	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
897		1164
898	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
899		1166
900	@$registry = ();	1167	@$registry = ();
901		1168
…		…
906	for (@$attach) {	1173	for (@$attach) {
907	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
909	}	1176	}
910	} else {	1177	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1179	}
913	}	1180	}
914	}	1181	}
915		1182
916	cf::attachable->attach (	1183	cf::attachable->attach (
917	prio => -1000000,	1184	prio => -1000000,
918	on_instantiate => sub {	1185	on_instantiate => sub {
919	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
920		1187
921	$data = from_json $data;	1188	$data = decode_json $data;
922		1189
923	for (@$data) {	1190	for (@$data) {
924	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
925		1192
926	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1209	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
944		1211
945	sync_job {	1212	sync_job {
946	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
949		1218
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1226	aio_close $fh;
955		1227
956	if (@$objs) {	1228	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1237	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
964	}	1239	}
965	} else {	1240	} else {
966	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
967	}	1242	}
968		1243
969	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1248	} else {
971	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
972	}	1250	}
973	} else {	1251	} else {
974	aio_unlink $filename;	1252	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
976	}	1254	}
977	}	1255	};
978	}	1256	}
979		1257
980	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
982		1260
…		…
994	or return;	1272	or return;
995		1273
996	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
998	or return;	1276	or return;
		1277
999	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
1000	}	1280	}
1001		1281
		1282	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
1004	return ($data, $av);	1287	($data, $av)
1005	}	1288	}
1006		1289
1007	=head2 COMMAND CALLBACKS	1290	=head2 COMMAND CALLBACKS
1008		1291
1009	=over 4	1292	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1313	}
1031		1314
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1316
1034	Register a callback fro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
1035		1322
1036	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
1037	called.	1324	called.
1038		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
1039	=cut	1337	=cut
1040		1338
1041	sub register_extcmd {	1339	sub register_extcmd {
1042	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
1043		1341
1044	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
1045	}	1343	}
1046		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
1047	cf::player->attach (	1353	cf::player->attach (
1048	on_command => sub {	1354	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
1050		1356
1051	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
1052	or return;	1358	or return;
1053		1359
…		…
1058	cf::override;	1364	cf::override;
1059	},	1365	},
1060	on_extcmd => sub {	1366	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
1062		1368
1063	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1370
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
1071	} else {	1386	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1388	}
1074		1389
1075	cf::override;	1390	cf::override;
1076	},	1391	},
1077	);	1392	);
1078		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
1079	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
1080	cf::sync_job {	1410	cf::sync_job {
1081	my %todo;	1411	my %todo;
1082		1412
1083	for my $path (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1414	next unless -r $path;
…		…
1102		1432
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1435
1106	$ext{source} =	1436	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1437	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1438	. "#line 1 \"$path\"\n{\n"
1109	. $source	1439	. $source
1110	. "\n};\n1";	1440	. "\n};\n1";
1111		1441
1112	$todo{$base} = \%ext;	1442	$todo{$base} = \%ext;
1113	}	1443	}
1114		1444
		1445	my $pass = 0;
1115	my %done;	1446	my %done;
1116	while (%todo) {	1447	while (%todo) {
1117	my $progress;	1448	my $progress;
1118		1449
		1450	++$pass;
		1451
		1452	ext:
1119	while (my ($k, $v) = each %todo) {	1453	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1454	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1455	next ext
1122	unless exists $done{$_};	1456	unless exists $done{$_};
1123	}	1457	}
1124		1458
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1460
1127	unless (eval $v->{source}) {	1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1464	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1467	if exists $v->{meta}{mandatory};
1132	warn $msg;	1468
1133	warn "mandatory extension failed to load, exiting.\n";	1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1470	delete $todo{$k};
1135	}	1471	} else {
1136		1472	$done{$k} = delete $todo{$k};
1137	warn $msg;	1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
1138	}	1478	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1479	}
1144		1480
1145	skip:	1481	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1489	}
1149	};	1490	};
1150	}	1491	}
1151		1492
1152	#############################################################################	1493	#############################################################################
1153		1494
1154	=back	1495	=back
1155		1496
1156	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1157		1498
1158	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1159		1500
1160	=cut	1501	=cut
1161		1502
1162	package cf::player;	1503	package cf::player;
1163		1504
1164	use Coro::AIO;	1505	use Coro::AIO;
1165		1506
1166	=head3 cf::player	1507	=head3 cf::player
1167		1508
1168	=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	}
1169		1524
1170	=item cf::player::find $login	1525	=item cf::player::find $login
1171		1526
1172	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1173		1528
…		…
1192		1547
1193	sub exists($) {	1548	sub exists($) {
1194	my ($login) = @_;	1549	my ($login) = @_;
1195		1550
1196	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1198	}	1553	}
1199		1554
1200	sub find($) {	1555	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1557	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1568
1214	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1217	}	1578	}
1218	}	1579	}
1219	}	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	);
1220		1594
1221	sub save($) {	1595	sub save($) {
1222	my ($pl) = @_;	1596	my ($pl) = @_;
1223		1597
1224	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1230		1604
1231	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1235	Coro::cede;	1614	cf::cede_to_tick;
1236	}	1615	}
1237		1616
1238	sub new($) {	1617	sub new($) {
1239	my ($login) = @_;	1618	my ($login) = @_;
1240		1619
…		…
1246	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1247		1626
1248	$self	1627	$self
1249	}	1628	}
1250		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
1251	=item $pl->quit_character	1640	=item $pl->quit_character
1252		1641
1253	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
1254	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1255		1644
…		…
1259	my ($pl) = @_;	1648	my ($pl) = @_;
1260		1649
1261	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1262		1651
1263	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1264	$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
1265		1654
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$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
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1270		1663
1271	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1701	or return [];
1309		1702
1310	my @logins;	1703	my @logins;
1311		1704
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1316		1715
1317	utf8::decode $login;	1716	utf8::decode $login;
1318	push @logins, $login;	1717	push @logins, $login;
1319	}	1718	}
1320		1719
1321	\@logins	1720	\@logins
1322	}	1721	}
1323		1722
1324	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1325		1726
1326	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1327	player. May block.	1728	player. May block.
1328		1729
1329	=cut	1730	=cut
…		…
1347	}	1748	}
1348		1749
1349	\@paths	1750	\@paths
1350	}	1751	}
1351		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1352	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1353		1758
1354	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1355		1760
1356	=cut	1761	=cut
1357		1762
1358	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1360		1765
1361	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1767	}
1365		1768
1366	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1367		1770
1368	Sends an ext event to the client.	1771	Sends an ext event to the client.
1369		1772
1370	=cut	1773	=cut
1371		1774
1372	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1374		1777
1375	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1376	}	1779	}
1377		1780
1378	=head3 cf::region	1781	=head3 cf::region
1379		1782
1380	=over 4	1783	=over 4
…		…
1390	=cut	1793	=cut
1391		1794
1392	sub find_by_path($) {	1795	sub find_by_path($) {
1393	my ($path) = @_;	1796	my ($path) = @_;
1394		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1395	my ($match, $specificity);	1800	my ($match, $specificity);
1396		1801
1397	for my $region (list) {	1802	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1401	}	1806	}
1402	}	1807	}
1403		1808
…		…
1424	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1426		1831
1427	sub generate_random_map {	1832	sub generate_random_map {
1428	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
1429	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1838	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1860
1453	sub register {	1861	sub register {
1454	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1863	my $pkg = caller;
1456		1864
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1866
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1868	}
1462		1869
1463	# also paths starting with '/'	1870	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1872
1466	sub thawer_merge {	1873	sub thawer_merge {
1467	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1468		1875
1469	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
…		…
1474	}	1881	}
1475		1882
1476	sub normalise {	1883	sub normalise {
1477	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1478		1885
1479	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1480		1887
1481	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1482		1889
1483	# map plan:	1890	# map plan:
1484	#	1891	#
…		…
1523	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1524	return $self;	1931	return $self;
1525	}	1932	}
1526	}	1933	}
1527		1934
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1936	()
1530	}	1937	}
1531		1938
1532	sub init {	1939	sub init {
1533	my ($self) = @_;	1940	my ($self) = @_;
…		…
1555		1962
1556	# the temporary/swap location	1963	# the temporary/swap location
1557	sub save_path {	1964	sub save_path {
1558	my ($self) = @_;	1965	my ($self) = @_;
1559		1966
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1562	}	1969	}
1563		1970
1564	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1565	sub uniq_path {	1972	sub uniq_path {
1566	my ($self) = @_;	1973	my ($self) = @_;
1567		1974
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1977	}
1580		1978
1581	sub decay_objects {	1979	sub decay_objects {
1582	my ($self) = @_;	1980	my ($self) = @_;
1583		1981
…		…
1596		1994
1597	sub load_header_from($) {	1995	sub load_header_from($) {
1598	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1599		1997
1600	utf8::encode $path;	1998	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	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;
1606		2007
1607	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1608		2009
1609	1	2010	1
1610	}	2011	}
…		…
1662		2063
1663	sub find;	2064	sub find;
1664	sub find {	2065	sub find {
1665	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1666		2067
		2068	cf::cede_to_tick;
		2069
1667	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1668		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2074
1671	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1674	or return;	2077	or return;
1675		2078
1676	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1677		2080
…		…
1679	or return;	2082	or return;
1680		2083
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1684	$map->reset;	2089	$map->reset;
1685	undef $guard;
1686	return find $path;	2090	return find $path;
1687	}	2091	}
1688		2092
1689	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1690	}	2094	}
1691	}	2095	}
1692		2096
1693	sub pre_load { }	2097	sub pre_load { }
1694	sub post_load { }	2098	#sub post_load { } # XS
1695		2099
1696	sub load {	2100	sub load {
1697	my ($self) = @_;	2101	my ($self) = @_;
1698		2102
1699	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1700		2104
1701	my $path = $self->{path};	2105	my $path = $self->{path};
1702		2106
1703	{	2107	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1705		2109
		2110	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2112
1708	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1709		2114
1710	$self->alloc;	2115	$self->alloc;
1711		2116
1712	$self->pre_load;	2117	$self->pre_load;
1713	Coro::cede;	2118	cf::cede_to_tick;
1714		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1716	or return;	2123	or return;
1717		2124
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1719	if delete $self->{load_original};	2126	if delete $self->{load_original};
1720		2127
1721	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2129	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2132	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1726	}	2136	}
1727	}	2137	}
1728		2138
1729	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1730	# now do the right thing for maps	2142	# now do the right thing for maps
1731	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2145	unless $self->difficulty;
1734	Coro::cede;	2146	cf::cede_to_tick;
1735		2147
1736	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2149	$self->decay_objects;
1738	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1739	$self->update_buttons;	2151	$self->update_buttons;
1740	Coro::cede;	2152	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2153	$self->activate;
1744	}	2154	}
1745		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2160	}
1748		2161
1749	$self->post_load;	2162	$self->post_load;
1750	}	2163	}
1751		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
1752	sub customise_for {	2168	sub customise_for {
1753	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1754		2170
1755	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2172	if $self->per_player;
…		…
1760		2176
1761	$self	2177	$self
1762	}	2178	}
1763		2179
1764	# 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
1765	sub load_diag {	2181	sub load_neighbours {
1766	my ($map) = @_;	2182	my ($map) = @_;
1767		2183
1768	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1769		2185
1770	for (0 .. 3) {	2186	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1772	or next;	2188	or next;
1773	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1774	or next;	2190	or next;
1775	$neigh->load;	2191	$neigh->load;
1776		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2197	}
1780		2198
1781	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1783	or next;	2202	or next;
1784	$neigh->load;	2203	$neigh->load;
1785	}	2204	}
1786	}	2205	}
1787		2206
1788	sub find_sync {	2207	sub find_sync {
1789	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1790		2209
1791	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
1792	}	2214	}
1793		2215
1794	sub do_load_sync {	2216	sub do_load_sync {
1795	my ($map) = @_;	2217	my ($map) = @_;
1796		2218
1797	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;
1798	}	2223	}
1799		2224
1800	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1802		2227
1803	sub find_async {	2228	sub find_async {
1804	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1805		2230
1806	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1807		2232
1808	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2235	}
1811		2236
1812	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1813	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1814	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2244	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2245	$map->load if $v;
		2246	}
1819		2247
1820	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1821	}	2249	}
1822	}	2250	}
1823	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1824	};	2252	};
1825	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1826		2254
1827	()	2255	()
1828	}	2256	}
1829		2257
		2258	# common code, used by both ->save and ->swapout
1830	sub save {	2259	sub _save {
1831	my ($self) = @_;	2260	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2261
1835	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1836		2263
1837	return unless $self->dirty;	2264	return unless $self->dirty;
1838		2265
…		…
1844	return if $self->{deny_save};	2271	return if $self->{deny_save};
1845		2272
1846	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1847		2274
1848	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1850	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1851		2281
1852	if ($uniq) {	2282	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2285	} else {
1856	$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);
1857	}	2287	}
1858	}	2288	}
1859		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1860	sub swap_out {	2298	sub swap_out {
1861	my ($self) = @_;	2299	my ($self) = @_;
1862		2300
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1868	return if $self->players;	2305	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		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
1872	$self->clear;	2316	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2317	}
1875		2318
1876	sub reset_at {	2319	sub reset_at {
1877	my ($self) = @_;	2320	my ($self) = @_;
1878		2321
…		…
1896		2339
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2341
1899	return if $self->players;	2342	return if $self->players;
1900		2343
1901	warn "resetting map ", $self->path;	2344	cf::trace "resetting map ", $self->path, "\n";
1902		2345
1903	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1904		2347
1905	# need to save uniques path	2348	# need to save uniques path
1906	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2353	if $uniq;
1911	}	2354	}
1912		2355
1913	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1914		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2360	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2361
1919	$self->unlink_save;	2362	$self->unlink_save;
1920	$self->destroy;	2363	$self->destroy;
1921	}	2364	}
1922		2365
1923	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1924		2367
1925	sub nuke {	2368	sub nuke {
1926	my ($self) = @_;	2369	my ($self) = @_;
1927		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1928	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1929		2375
1930	$self->unlink_save;	2376	$self->unlink_save;
1931		2377
1932	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2383
1938	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1939		2386
1940	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
1941	}	2388	}
1942		2389
1943	=item $maps = cf::map::tmp_maps	2390	=item $maps = cf::map::tmp_maps
…		…
1985		2432
1986	sub unique_maps() {	2433	sub unique_maps() {
1987	[	2434	[
1988	map {	2435	map {
1989	utf8::decode $_;	2436	utf8::decode $_;
1990	/\.map$/	2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
1991	? normalise $_	2440	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2441	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2442	]
1995	}	2443	}
1996		2444
1997	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	}
1998		2476
1999	=back	2477	=back
2000		2478
2001	=head3 cf::object	2479	=head3 cf::object
2002		2480
…		…
2006		2484
2007	=over 4	2485	=over 4
2008		2486
2009	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
2010		2488
2011	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.
2012		2491
2013	=cut	2492	=cut
2014		2493
2015	sub inv_recursive_;	2494	sub inv_recursive_;
2016	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
2019		2498
2020	sub inv_recursive {	2499	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
2022	}	2501	}
2023		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
2024	package cf;	2531	package cf;
2025		2532
2026	=back	2533	=back
2027		2534
2028	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
2034	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>
2035	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
2036	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
2037		2544
2038	=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	};
2039		2560
2040	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2562	# with dialog boxes.
2042	#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
2043	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
2045		2566
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2568
2048	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
2050	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
2053	}	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 (@_);
2054	}	2594	}
2055		2595
2056	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
2057		2597
2058	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
2071		2611
2072	=item $player_object->enter_link	2612	=item $player_object->enter_link
2073		2613
2074	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}>).
2075		2615
2076	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.
2077	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.
2078		2620
2079	Will never block.	2621	Will never block.
2080		2622
2081	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
2082		2624
…		…
2102	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2645	my ($self) = @_;
2104		2646
2105	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
2106		2648
		2649	++$self->{_link_recursion};
		2650
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2652
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
2111		2655
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2657	}
2114		2658
2115	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
2117		2661
…		…
2134	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
2136		2680
2137	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
2140		2684
2141	$map->load;	2685	$map->load;
2142	$map->load_diag;	2686	$map->load_neighbours;
2143		2687
2144	return unless $self->contr->active;	2688	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2689
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
2149	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
2150		2697
		2698	}
		2699
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2701
2153	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
2154	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
2155	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
2156	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 >>.
2157		2710
2158	=cut	2711	=cut
2159		2712
2160	our $GOTOGEN;	2713	our $GOTOGEN;
2161		2714
2162	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
2163	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	}
2164		2723
2165	# 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
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2726
2168	$self->enter_link;	2727	$self->enter_link;
2169		2728
2170	(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
2171	my $map = eval {	2751	my $map = eval {
2172	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
2173		2753
2174	if ($map) {	2754	if ($map) {
2175	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2757	} else {
2178	$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);
2179	}	2759	}
2180		2760
2181	$map	2761	$map
2182	};	2762	};
2183		2763
…		…
2188		2768
2189	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
2192	}	2772	}
		2773
		2774	$done->($self) if $done;
2193	})->prio (1);	2775	})->prio (1);
2194	}	2776	}
2195		2777
2196	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
2197		2779
…		…
2217	}	2799	}
2218		2800
2219	sub prepare_random_map {	2801	sub prepare_random_map {
2220	my ($exit) = @_;	2802	my ($exit) = @_;
2221		2803
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2806	# that depends on the exit object
2227		2807
2228	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2810	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2235	}	2817	}
2236		2818
2237	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2238		2820
2239	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2242		2824
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2827	undef $fh;
2246	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2247		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2250	}	2836	}
2251	}	2837	}
2252		2838
2253	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2255		2841
2256	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2257		2843
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2844	$self->enter_link;
2270		2845
2271	(async {	2846	(async {
2272	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2273	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
2274	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2275		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
2276	1;	2870	1
2277	}) {	2871	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "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. "
2280	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2876
2283	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2284	$self->leave_link;	2878	$self->leave_link;
2285	}	2879	}
2286	})->prio (1);	2880	})->prio (1);
2287	}	2881	}
2288		2882
…		…
2302		2896
2303	utf8::encode $text;	2897	utf8::encode $text;
2304	$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);
2305	}	2899	}
2306		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
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		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
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		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);
		3069	}
		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
2307	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2308		3089
2309	Sends an exti event to the client.	3090	Sends an ext event to the client.
2310		3091
2311	=cut	3092	=cut
2312		3093
2313	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2315		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		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	}
2318	}	3121	}
2319		3122
2320	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2321		3124
2322	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3128
2326	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3130	become reliable at some point in the future.
2328		3131
2329	=cut	3132	=cut
2330		3133
2331	sub cf::client::query {	3134	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3143	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3145
2343	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2345	}	3150	}
2346		3151
2347	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2348	on_reply => sub {	3158	on_reply => sub {
2349	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2350		3160
2351	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2352	# get handled first	3162	# get handled first
…		…
2364	} else {	3174	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3176	}
2367	}	3177	}
2368	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		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
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2369	);	3205	);
2370		3206
2371	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2372		3208
2373	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3225
2390	$coro	3226	$coro
2391	}	3227	}
2392		3228
2393	cf::client->attach (	3229	cf::client->attach (
2394	on_destroy => sub {	3230	on_client_destroy => sub {
2395	my ($ns) = @_;	3231	my ($ns) = @_;
2396		3232
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3234	},
2399	);	3235	);
…		…
2414	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2416		3252
2417	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2418		3254
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2420		3260
2421	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2422		3262
2423	=pod	3263	=pod
2424		3264
2425	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2426		3266
2427	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2428	cf::object::player player	3272	cf::object::player
2429	cf::player peaceful	3273	player
2430	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2431		3280
2432	=cut	3281	=cut
2433		3282
2434	for (	3283	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2439	) {	3290	) {
2440	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2443	for @funs;	3293	for @funs;
2444	}	3294	}
2445		3295
…		…
2460		3310
2461	my $qcode = $code;	3311	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2464		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2465	local $_;	3318	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3319
2468	my $eval =	3320	my $eval =
2469	"do {\n"	3321	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3324	. $code
2473	. "\n}"	3325	. "\n}"
2474	;	3326	;
2475		3327
		3328	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2479		3337
2480	if ($@) {	3338	if ($@) {
2481	warn "$@";	3339	warn "$@",
2482	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2483	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2484	}	3342	}
2485		3343
2486	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2487	}	3345	}
2488		3346
…		…
2502	=cut	3360	=cut
2503		3361
2504	sub register_script_function {	3362	sub register_script_function {
2505	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2506		3364
2507	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2509	}	3367	}
2510		3368
2511	=back	3369	=back
2512		3370
2513	=cut	3371	=cut
…		…
2516	# the server's init and main functions	3374	# the server's init and main functions
2517		3375
2518	sub load_facedata($) {	3376	sub load_facedata($) {
2519	my ($path) = @_;	3377	my ($path) = @_;
2520		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
2521	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2522		3386
2523	my $facedata;
2524	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2525	or die "$path: $!";	3388	or die "$path: $!";
2526		3389
2527	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2528		3391
2529	$facedata->{version} == 2	3392	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		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
2532	{	3404	{
2533	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2534		3406
2535	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3414
		3415	cf::cede_to_tick;
2541	}	3416	}
2542		3417
2543	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2545	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2546	or next;	3422	or next;
		3423
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3427	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3429	}
2552	Coro::cede;	3430
		3431	cf::cede_to_tick;
2553	}	3432	}
2554	}	3433	}
2555		3434
2556	{	3435	{
2557	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2558		3437
2559	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3440	cf::cede_to_tick;
2562	}	3441	}
2563		3442
2564	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2565	}	3444	}
2566		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} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2567	1	3465	1
2568	}	3466	}
2569		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($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	$status
		3484	}
		3485
2570	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2571	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2572	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 $_->{match};
		3497	}
2573	}	3498	}
2574		3499
2575	sub reload_facedata {	3500	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
…		…
2585	sub reload_treasures {	3510	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2588	}	3513	}
2589		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 => $face;
		3535	}
		3536	}
		3537
2590	sub reload_resources {	3538	sub reload_resources {
2591	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2592		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2593	reload_regions;	3546	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3547	reload_treasures;
2598		3548
2599	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2600	}	3550	}
2601		3551
2602	sub init {	3552	sub reload_config {
2603	reload_resources;	3553	trace "reloading config file...\n";
2604	}
2605		3554
2606	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2608	or return;
2609		3557
2610	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2611	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2612		3562
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3564
2615	$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};
2616	$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};
2617		3567
2618	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2622	};	3572	};
2623	warn $@ if $@;	3573	warn $@ if $@;
2624	}	3574	}
2625	}	3575	}
2626		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
2627	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
2628	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2630	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#
2631	(async {	3618	(async {
2632	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2634	};	3622	};
2635		3623
2636	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;
2637	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
2638	load_extensions;	3647	load_extensions;
2639		3648
2640	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2641	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;
2642	}	3667	}
2643		3668
2644	#############################################################################	3669	#############################################################################
2645	# initialisation and cleanup	3670	# initialisation and cleanup
2646		3671
2647	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2648	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2657	},
2658	);	3678	};
2659	}	3679	}
2660	}	3680	}
2661		3681
2662	sub write_runtime {	3682	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3683	my $t0 = AE::time;
2664		3684
2665	# first touch the runtime file to show we are still running:	3685	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3686	# the fsync below can take a very very long time.
2667		3687
2668	IO::AIO::aio_utime $runtime, undef, undef;	3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3689
2670	my $guard = cf::lock_acquire "write_runtime";	3690	my $guard = cf::lock_acquire "write_runtime";
2671		3691
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3693	or return;
2674		3694
2675	my $value = $cf::RUNTIME + 90 + 10;	3695	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3696	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3697	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3707	aio_utime $fh, undef, undef;
2688		3708
2689	close $fh	3709	close $fh
2690	or return;	3710	or return;
2691		3711
2692	aio_rename "$runtime~", $runtime	3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3713	and return;
2694		3714
2695	warn "runtime file written.\n";	3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3716
2697	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 };
2698	}	3768	}
2699		3769
2700	sub emergency_save() {	3770	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2702		3772
2703	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;
2704		3779
2705	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2706	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3791	$pl->save;
2714	}	3792	}
2715	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2716		3794
2717	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";
2718	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3800	$map->valid or next;
2721	$map->save;	3801	$map->save;
2722	}	3802	}
2723	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2724		3804
2725	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";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2727	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 $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3833	};
2729		3834
2730	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2731	}	3836	}
2732		3837
2733	sub post_cleanup {	3838	sub post_cleanup {
2734	my ($make_core) = @_;	3839	my ($make_core) = @_;
2735		3840
		3841	IO::AIO::flush;
		3842
2736	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2737	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	}
2738	}	3873	}
2739		3874
2740	sub do_reload_perl() {	3875	sub do_reload_perl() {
2741	# can/must only be called in main	3876	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2743	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2744	return;	3879	return;
2745	}	3880	}
2746		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2747	warn "reloading...";	3888	info "reloading...";
2748		3889
2749	warn "entering sync_job";	3890	trace "entering sync_job";
2750		3891
2751	cf::sync_job {	3892	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3893	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3894
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3897	%EXT_CORO = ();
2780		3898
2781	warn "removing commands";	3899	trace "removing commands";
2782	%COMMAND = ();	3900	%COMMAND = ();
2783		3901
2784	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2785	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2786		3905
2787	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2790		3909
2791	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3911	eval {
2793	$cb->($pkg);	3912	$cb->($pkg);
2794	1	3913	1
2795	} 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;
2796	}	3919	}
2797		3920
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3924
2806	warn "... unloading $k";	3925	trace "... unloading $k";
2807	delete $INC{$k};	3926	delete $INC{$k};
2808		3927
2809	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2811		3930
2812	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2814	}	3936	}
2815		3937
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2821	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);
2822		3941
2823	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3945
2827	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3947	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2830		3949
2831	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2832		3951
2833	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2834	require cf;	3953	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2836		3955
2837	warn "loading config and database again";	3956	trace "loading config and database again";
2838	cf::cfg_load;	3957	cf::reload_config;
2839		3958
2840	warn "loading extensions";	3959	trace "loading extensions";
2841	cf::load_extensions;	3960	cf::load_extensions;
2842		3961
		3962	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2849		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2850	warn "leaving sync_job";	3974	trace "leaving sync_job";
2851		3975
2852	1	3976	1
2853	} or do {	3977	} or do {
2854	warn $@;	3978	error $@;
2855	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2857	};	3984	}
2858		3985
2859	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2860	};	3988	};
2861		3989
2862	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2863		3991
2864	sub reload_perl() {	3992	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2867		3995
2868	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3998
2871	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4000	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2875	},	4002	};
2876	);	4003	};
2877	}	4004	}
2878		4005
2879	register_command "reload" => sub {	4006	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2881		4008
2882	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4013	reload_perl;
		4014	};
2885	}	4015	}
2886	};	4016	};
2887		4017
2888	unshift @INC, $LIBDIR;	4018	#############################################################################
2889		4019
2890	my $bug_warning = 0;	4020	my $bug_warning = 0;
2891		4021
2892	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2894		4024
2895	sub wait_for_tick {	4025	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4027
2899	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4030	$signal->wait;
2902	}	4031	}
2903		4032
2904	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4035
2908	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4038	$signal->wait;
2911	}	4039	}
2912		4040
2913	my $min = 1e6;#d#	4041	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2923	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"
2924	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2925	return;	4045	return;
2926	}	4046	}
2927		4047
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2931		4049
2932	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4051
2938	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4054	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4056	write_runtime_sync
2943		4057	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4058	};
		4059	}
2954		4060
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4062	$sig->send;
2971	}	4063	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4065	$sig->send;
2974	}	4066	}
2975		4067
2976	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4070
2987	_post_tick;	4071	if (0) {
2988		4072	if ($NEXT_TICK) {
2989		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
2990	},	4077	}
2991	);	4078	}
2992		4079
2993	{	4080	{
2994	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4082
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
3004		4084	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4086
3020	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
3021	$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);
3022		4094
3023	cf::sync_job {	4095	cf::sync_job {
3024	eval {	4096	eval {
3025	BDB::db_env_open	4097	BDB::db_env_open
3026	$DB_ENV,	4098	$DB_ENV,
…		…
3028	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
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4102	0666;
3031		4103
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4105	};
3037		4106
3038	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4108	};
3040	}	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	};
3041	}	4120	}
3042		4121
3043	{	4122	{
		4123	# configure IO::AIO
		4124
3044	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4128	}
3057		4129
3058	my $_log_backtrace;	4130	my $_log_backtrace;
3059		4131
3060	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
3064		4136
3065	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3068	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3069	my @bt = fork_call {	4144	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	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 |"
3073	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3081	}	4156	}
3082		4157
3083	@funcs	4158	@funcs
3084	};	4159	};
3085		4160
3086	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4164	--$_log_backtrace;
3089	};	4165	};
3090	} else {	4166	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4169	}
3094	}	4170	}
3095		4171
3096	# load additional modules	4172	# load additional modules
3097	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3098		4175
3099	END { cf::emergency_save }	4176	END { cf::emergency_save }
3100		4177
3101	1	4178	1
3102		4179

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