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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC vs.
Revision 1.528 by root, Fri Apr 23 04:42:12 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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;
		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);
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 process
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	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	292	for my $pkg (qw(
198	cf::global cf::attachable	293	cf::global cf::attachable
199	cf::object cf::object::player	294	cf::object cf::object::player
200	cf::client cf::player	295	cf::client cf::player
201	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
202	cf::map cf::party cf::region	298	cf::party cf::region
203	)) {	299	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	301	}
207		302
208	$Event::DIED = sub {	303	$EV::DIED = sub {
209	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
210	};	305	};
211		306
212	#############################################################################	307	#############################################################################
213		308
214	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	332	$d
238	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
239	}	334	}
240		335
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
244		337
245	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
246		339
247	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
248		341
249	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
250		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
251	=item cf::lock_wait $string	365	=item cf::lock_wait $string
252		366
253	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
254		368
255	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
256		370
257	Wait until the given lock is available and then acquires it and returns	371	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,	372	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	373	for example when the coroutine gets canceled), the lock is automatically
260	returned.	374	returned.
261		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
262	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
264		381
265	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
266		383
267	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
268		385
269	=cut	386	=cut
270		387
271	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
272		389
273	sub lock_wait($) {	390	sub lock_wait($) {
274	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	392	}
282		393
283	sub lock_acquire($) {	394	sub lock_acquire($) {
284	my ($key) = @_;	395	$LOCKS->guard ($_[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	}	396	}
296		397
297	sub lock_active($) {	398	sub lock_active($) {
298	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	400	}
302		401
303	sub freeze_mainloop {	402	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
305		404
306	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
308	};	472	}
309	$TICK_WATCHER->stop;	473	};
310	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
311	}	488	}
312		489
313	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
314		491
315	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		497
321	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
322		499
323	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
324		501
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	502	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	503	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	505	acceptable.
329		506
330	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		513
337	sub sync_job(&) {	514	sub sync_job(&) {
338	my ($job) = @_;	515	my ($job) = @_;
339		516
340	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	518	my $time = AE::time;
342		519
343	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
345		522
346	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	524
348	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
349		526
350	my $busy = 1;	527	my $busy = 1;
351	my @res;	528	my @res;
352		529
353	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	532	@res = eval { $job->() };
355	warn $@ if $@;	533	warn $@ if $@;
356	undef $busy;	534	undef $busy;
357	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
358		536
359	while ($busy) {	537	while ($busy) {
360	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
361	}	542	}
		543	}
362		544
363	$time = Event::time - $time;	545	my $time = AE::time - $time;
364		546
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	547	$TICK_START += $time; # do not account sync jobs to server load
369		548
370	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
371	} else {	550	} else {
372	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
373		552
…		…
398	=item fork_call { }, $args	577	=item fork_call { }, $args
399		578
400	Executes the given code block with the given arguments in a seperate	579	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	580	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	581	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	582	never block itself or use any form of event handling.
404		583
405	=cut	584	=cut
406		585
407	sub fork_call(&@) {	586	sub fork_call(&@) {
408	my ($cb, @args) = @_;	587	my ($cb, @args) = @_;
409		588
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	589	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	590	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	591	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		592
415	if (my $pid = fork) {	593	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	594	reset_signals;
428	local $SIG{__WARN__};	595	&$cb
429	local $SIG{__DIE__};	596	}, @args;
430	eval {
431	close $fh1;
432		597
433	my @res = eval { $cb->(@args) };	598	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	599	}
435	};
436		600
437	warn $@ if $@;	601	sub objinfo {
438	_exit 0;
439	}	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
440	}	637	}
441		638
442	=item $value = cf::db_get $family => $key	639	=item $value = cf::db_get $family => $key
443		640
444	Returns a single value from the environment database.	641	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	643	=item cf::db_put $family => $key => $value
447		644
448	Stores the given C<$value> in the family. It can currently store binary	645	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).	646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
451	=cut	653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
452		671
453	our $DB;	672	our $DB;
454		673
455	sub db_init {	674	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	675	cf::sync_job {
460	eval {	676	$DB ||= db_table "db";
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	}	677	};
470	}	678	}
471		679
472	sub db_get($$) {	680	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	681	my $key = "$_[0]/$_[1]";
474		682
…		…
524	if (1) {	732	if (1) {
525	$md5 =	733	$md5 =
526	join "\x00",	734	join "\x00",
527	$processversion,	735	$processversion,
528	map {	736	map {
529	Coro::cede;	737	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	738	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	739	} 0.. $#$src;
532		740
533		741
534	my $dbmd5 = db_get cache => "$id/md5";	742	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		780
573	#############################################################################	781	#############################################################################
574		782
575	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
576		784
577	Many objects in crossfire are so-called attachable objects. That means you can	785	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")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
580		788
581	In the following description, CLASS can be any of C<global>, C<object>	789	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	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	791	Deliantra).
584		792
585	=over 4	793	=over 4
586		794
587	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
588		796
…		…
632	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
633		841
634	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
636		844
637	Some classes such as crossfire maps and objects can specify attachments	845	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.	846	that are attached at load/instantiate time, thus the need for a name.
639		847
640	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
641		849
642	=over 4	850	=over 4
…		…
840	";	1048	";
841	die if $@;	1049	die if $@;
842	}	1050	}
843		1051
844	our $override;	1052	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1054
847	sub override {	1055	sub override {
848	$override = 1;	1056	$override = 1;
849	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
850	}	1058	}
851		1059
852	sub do_invoke {	1060	sub do_invoke {
853	my $event = shift;	1061	my $event = shift;
854	my $callbacks = shift;	1062	my $callbacks = shift;
855		1063
856	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
857		1065
858	local $override;	1066	local $override;
859		1067
860	for (@$callbacks) {	1068	for (@$callbacks) {
861	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
870	}	1078	}
871		1079
872	0	1080	0
873	}	1081	}
874		1082
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1084
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1086
879	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
880		1088
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	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	1090	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1092
885	=back	1093	=back
886		1094
887	=cut	1095	=cut
888		1096
889	#############################################################################	1097	#############################################################################
890	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
891		1141
892	sub reattach {	1142	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1144	my ($obj) = @_;
895		1145
		1146	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1148
898	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
899		1150
900	@$registry = ();	1151	@$registry = ();
901		1152
…		…
916	cf::attachable->attach (	1167	cf::attachable->attach (
917	prio => -1000000,	1168	prio => -1000000,
918	on_instantiate => sub {	1169	on_instantiate => sub {
919	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
920		1171
921	$data = from_json $data;	1172	$data = decode_json $data;
922		1173
923	for (@$data) {	1174	for (@$data) {
924	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
925		1176
926	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1193	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
944		1195
945	sync_job {	1196	sync_job {
946	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
949		1202
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
954	close $fh;	1210	aio_close $fh;
955		1211
956	if (@$objs) {	1212	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
962	close $fh;	1221	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
964	}	1223	}
965	} else {	1224	} else {
966	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
967	}	1226	}
968		1227
969	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1232	} else {
971	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
972	}	1234	}
973	} else {	1235	} else {
974	aio_unlink $filename;	1236	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
976	}	1238	}
977	}	1239	};
978	}	1240	}
979		1241
980	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
982		1244
…		…
994	or return;	1256	or return;
995		1257
996	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
998	or return;	1260	or return;
		1261
999	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
1000	}	1264	}
1001		1265
		1266	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
1004	return ($data, $av);	1271	($data, $av)
1005	}	1272	}
1006		1273
1007	=head2 COMMAND CALLBACKS	1274	=head2 COMMAND CALLBACKS
1008		1275
1009	=over 4	1276	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1297	}
1031		1298
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1300
1034	Register a callback fro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
1035		1306
1036	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
1037	called.	1308	called.
1038		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
1039	=cut	1321	=cut
1040		1322
1041	sub register_extcmd {	1323	sub register_extcmd {
1042	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
1043		1325
1044	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
1045	}	1327	}
1046		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
1047	cf::player->attach (	1337	cf::player->attach (
1048	on_command => sub {	1338	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
1050		1340
1051	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
1052	or return;	1342	or return;
1053		1343
…		…
1058	cf::override;	1348	cf::override;
1059	},	1349	},
1060	on_extcmd => sub {	1350	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
1062		1352
1063	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1354
1065	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
1071	} else {	1370	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1372	}
1074		1373
1075	cf::override;	1374	cf::override;
1076	},	1375	},
1077	);	1376	);
		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
1078		1390
1079	sub load_extensions {	1391	sub load_extensions {
1080	cf::sync_job {	1392	cf::sync_job {
1081	my %todo;	1393	my %todo;
1082		1394
…		…
1102		1414
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1417
1106	$ext{source} =	1418	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
1109	. $source	1421	. $source
1110	. "\n};\n1";	1422	. "\n};\n1";
1111		1423
1112	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
1113	}	1425	}
1114		1426
		1427	my $pass = 0;
1115	my %done;	1428	my %done;
1116	while (%todo) {	1429	while (%todo) {
1117	my $progress;	1430	my $progress;
1118		1431
		1432	++$pass;
		1433
		1434	ext:
1119	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1437	next ext
1122	unless exists $done{$_};	1438	unless exists $done{$_};
1123	}	1439	}
1124		1440
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1442
1127	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1132	warn $msg;	1450
1133	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1452	delete $todo{$k};
1135	}	1453	} else {
1136		1454	$done{$k} = delete $todo{$k};
1137	warn $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1138	}	1460	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1461	}
1144		1462
1145	skip:	1463	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1148	}	1471	}
1149	};	1472	};
1150	}	1473	}
1151		1474
1152	#############################################################################	1475	#############################################################################
1153		1476
1154	=back	1477	=back
1155		1478
1156	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1157		1480
1158	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1159		1482
1160	=cut	1483	=cut
1161		1484
1162	package cf::player;	1485	package cf::player;
1163		1486
1164	use Coro::AIO;	1487	use Coro::AIO;
1165		1488
1166	=head3 cf::player	1489	=head3 cf::player
1167		1490
1168	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1169		1506
1170	=item cf::player::find $login	1507	=item cf::player::find $login
1171		1508
1172	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1173		1510
…		…
1192		1529
1193	sub exists($) {	1530	sub exists($) {
1194	my ($login) = @_;	1531	my ($login) = @_;
1195		1532
1196	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1198	}	1535	}
1199		1536
1200	sub find($) {	1537	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1539	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1550
1214	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1217	}	1560	}
1218	}	1561	}
1219	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1220		1576
1221	sub save($) {	1577	sub save($) {
1222	my ($pl) = @_;	1578	my ($pl) = @_;
1223		1579
1224	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1230		1586
1231	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1233		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1234	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1235	Coro::cede;	1596	cf::cede_to_tick;
1236	}	1597	}
1237		1598
1238	sub new($) {	1599	sub new($) {
1239	my ($login) = @_;	1600	my ($login) = @_;
1240		1601
…		…
1246	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1247		1608
1248	$self	1609	$self
1249	}	1610	}
1250		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1251	=item $pl->quit_character	1622	=item $pl->quit_character
1252		1623
1253	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1255		1626
…		…
1259	my ($pl) = @_;	1630	my ($pl) = @_;
1260		1631
1261	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1262		1633
1263	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1636
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1270		1643
1271	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1681	or return [];
1309		1682
1310	my @logins;	1683	my @logins;
1311		1684
1312	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1316		1695
1317	utf8::decode $login;	1696	utf8::decode $login;
1318	push @logins, $login;	1697	push @logins, $login;
1319	}	1698	}
1320		1699
1321	\@logins	1700	\@logins
1322	}	1701	}
1323		1702
1324	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1325		1706
1326	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1327	player. May block.	1708	player. May block.
1328		1709
1329	=cut	1710	=cut
…		…
1347	}	1728	}
1348		1729
1349	\@paths	1730	\@paths
1350	}	1731	}
1351		1732
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1734
1354	Expand crossfire pod fragments into protocol xml.	1735	Expand deliantra pod fragments into protocol xml.
1355		1736
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1386		1738
1387	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1388		1740
1389	=cut	1741	=cut
1390		1742
1391	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1393		1745
1394	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1747	}
1398		1748
1399	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1400		1750
1401	Sends an ext event to the client.	1751	Sends an ext event to the client.
1402		1752
1403	=cut	1753	=cut
1404		1754
1405	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1407		1757
1408	$self->ns->ext_event ($type, %msg);	1758	$self->ns->ext_msg ($type, @msg);
1409	}	1759	}
1410		1760
1411	=head3 cf::region	1761	=head3 cf::region
1412		1762
1413	=over 4	1763	=over 4
…		…
1423	=cut	1773	=cut
1424		1774
1425	sub find_by_path($) {	1775	sub find_by_path($) {
1426	my ($path) = @_;	1776	my ($path) = @_;
1427		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
1428	my ($match, $specificity);	1780	my ($match, $specificity);
1429		1781
1430	for my $region (list) {	1782	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1783	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1784	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1785	if $region->specificity > $specificity;
1434	}	1786	}
1435	}	1787	}
1436		1788
…		…
1457	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1459		1811
1460	sub generate_random_map {	1812	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1462	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1818	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1492		1847
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1849	}
1495		1850
1496	# also paths starting with '/'	1851	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1853
1499	sub thawer_merge {	1854	sub thawer_merge {
1500	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1501		1856
1502	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
…		…
1556	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1557	return $self;	1912	return $self;
1558	}	1913	}
1559	}	1914	}
1560		1915
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1917	()
1563	}	1918	}
1564		1919
1565	sub init {	1920	sub init {
1566	my ($self) = @_;	1921	my ($self) = @_;
…		…
1588		1943
1589	# the temporary/swap location	1944	# the temporary/swap location
1590	sub save_path {	1945	sub save_path {
1591	my ($self) = @_;	1946	my ($self) = @_;
1592		1947
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1949	"$TMPDIR/$path.map"
1595	}	1950	}
1596		1951
1597	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1598	sub uniq_path {	1953	sub uniq_path {
1599	my ($self) = @_;	1954	my ($self) = @_;
1600		1955
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1957	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	1958	}
1613		1959
1614	sub decay_objects {	1960	sub decay_objects {
1615	my ($self) = @_;	1961	my ($self) = @_;
1616		1962
…		…
1629		1975
1630	sub load_header_from($) {	1976	sub load_header_from($) {
1631	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1632		1978
1633	utf8::encode $path;	1979	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1639		1988
1640	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1641		1990
1642	1	1991	1
1643	}	1992	}
…		…
1697	sub find {	2046	sub find {
1698	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1699		2048
1700	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1701		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2053
1704	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1707	or return;	2056	or return;
1708		2057
1709	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1710		2059
…		…
1712	or return;	2061	or return;
1713		2062
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1717	$map->reset;	2068	$map->reset;
1718	undef $guard;
1719	return find $path;	2069	return find $path;
1720	}	2070	}
1721		2071
1722	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1723	}	2073	}
1724	}	2074	}
1725		2075
1726	sub pre_load { }	2076	sub pre_load { }
1727	sub post_load { }	2077	#sub post_load { } # XS
1728		2078
1729	sub load {	2079	sub load {
1730	my ($self) = @_;	2080	my ($self) = @_;
1731		2081
1732	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1733		2083
1734	my $path = $self->{path};	2084	my $path = $self->{path};
1735		2085
1736	{	2086	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1738		2088
		2089	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2091
1741	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1742		2093
1743	$self->alloc;	2094	$self->alloc;
1744		2095
1745	$self->pre_load;	2096	$self->pre_load;
1746	Coro::cede;	2097	cf::cede_to_tick;
1747		2098
		2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2101	$self->_load_objects ($f)
1749	or return;	2102	or return;
1750		2103
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1752	if delete $self->{load_original};	2105	if delete $self->{load_original};
1753		2106
1754	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2108	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2111	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1759	}	2115	}
1760	}	2116	}
1761		2117
1762	Coro::cede;	2118	$f->resolve_delayed_derefs;
		2119
		2120	cf::cede_to_tick;
1763	# now do the right thing for maps	2121	# now do the right thing for maps
1764	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2123	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2124	unless $self->difficulty;
1767	Coro::cede;	2125	cf::cede_to_tick;
1768		2126
1769	unless ($self->{deny_activate}) {	2127	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2128	$self->decay_objects;
1771	$self->fix_auto_apply;	2129	$self->fix_auto_apply;
1772	$self->update_buttons;	2130	$self->update_buttons;
1773	Coro::cede;	2131	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2132	$self->activate;
1777	}	2133	}
1778		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2138	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2139	}
1781		2140
1782	$self->post_load;	2141	$self->post_load;
1783	}	2142	}
1784		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2147	sub customise_for {
1786	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1787		2149
1788	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2151	if $self->per_player;
…		…
1793		2155
1794	$self	2156	$self
1795	}	2157	}
1796		2158
1797	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2160	sub load_neighbours {
1799	my ($map) = @_;	2161	my ($map) = @_;
1800		2162
1801	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1802		2164
1803	for (0 .. 3) {	2165	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1805	or next;	2167	or next;
1806	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1807	or next;	2169	or next;
1808	$neigh->load;	2170	$neigh->load;
1809		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2176	}
1813		2177
1814	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1816	or next;	2181	or next;
1817	$neigh->load;	2182	$neigh->load;
1818	}	2183	}
1819	}	2184	}
1820		2185
…		…
1825	}	2190	}
1826		2191
1827	sub do_load_sync {	2192	sub do_load_sync {
1828	my ($map) = @_;	2193	my ($map) = @_;
1829		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1830	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1831	}	2199	}
1832		2200
1833	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1835		2203
1836	sub find_async {	2204	sub find_async {
1837	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1838		2206
1839	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1840		2208
1841	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2211	}
1844		2212
1845	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1846	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1847	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2220	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2221	$map->load if $v;
		2222	}
1852		2223
1853	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1854	}	2225	}
1855	}	2226	}
1856	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1857	};	2228	};
1858	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1859		2230
1860	()	2231	()
1861	}	2232	}
1862		2233
		2234	# common code, used by both ->save and ->swapout
1863	sub save {	2235	sub _save {
1864	my ($self) = @_;	2236	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2237
1868	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1869		2239
1870	return unless $self->dirty;	2240	return unless $self->dirty;
1871		2241
…		…
1877	return if $self->{deny_save};	2247	return if $self->{deny_save};
1878		2248
1879	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1880		2250
1881	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1883	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1884		2257
1885	if ($uniq) {	2258	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2261	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2263	}
1891	}	2264	}
1892		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1893	sub swap_out {	2274	sub swap_out {
1894	my ($self) = @_;	2275	my ($self) = @_;
1895		2276
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1901	return if $self->players;	2281	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1905	$self->clear;	2292	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2293	}
1908		2294
1909	sub reset_at {	2295	sub reset_at {
1910	my ($self) = @_;	2296	my ($self) = @_;
1911		2297
…		…
1929		2315
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2317
1932	return if $self->players;	2318	return if $self->players;
1933		2319
1934	warn "resetting map ", $self->path;	2320	warn "resetting map ", $self->path, "\n";
1935		2321
1936	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
1937		2323
1938	# need to save uniques path	2324	# need to save uniques path
1939	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2329	if $uniq;
1944	}	2330	}
1945		2331
1946	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1947		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2336	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2337
1952	$self->unlink_save;	2338	$self->unlink_save;
1953	$self->destroy;	2339	$self->destroy;
1954	}	2340	}
1955		2341
1956	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1957		2343
1958	sub nuke {	2344	sub nuke {
1959	my ($self) = @_;	2345	my ($self) = @_;
1960		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
1961	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
1962		2351
1963	$self->unlink_save;	2352	$self->unlink_save;
1964		2353
1965	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2359
1971	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
1972		2362
1973	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
1974	}	2364	}
1975		2365
1976	=item $maps = cf::map::tmp_maps	2366	=item $maps = cf::map::tmp_maps
…		…
2018		2408
2019	sub unique_maps() {	2409	sub unique_maps() {
2020	[	2410	[
2021	map {	2411	map {
2022	utf8::decode $_;	2412	utf8::decode $_;
2023	/\.map$/	2413	s/\.map$//; # TODO future compatibility hack
		2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2415	? ()
2024	? normalise $_	2416	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2417	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2418	]
2028	}	2419	}
2029		2420
2030	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
2031		2452
2032	=back	2453	=back
2033		2454
2034	=head3 cf::object	2455	=head3 cf::object
2035		2456
…		…
2039		2460
2040	=over 4	2461	=over 4
2041		2462
2042	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
2043		2464
2044	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
2045		2467
2046	=cut	2468	=cut
2047		2469
2048	sub inv_recursive_;	2470	sub inv_recursive_;
2049	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
2052		2474
2053	sub inv_recursive {	2475	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
2055	}	2477	}
2056		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
2057	package cf;	2507	package cf;
2058		2508
2059	=back	2509	=back
2060		2510
2061	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2518	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
2070		2520
2071	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
2072		2536
2073	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2538	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
2083		2547
2084	} else {	2548	} else {
2085	my $pl = $self->contr;	2549	my $pl = $self->contr;
2086		2550
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2552	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2554
2096	} else {	2555	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2558	}
2100	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
2101	}	2570	}
2102		2571
2103	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
2104		2573
2105	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
2118		2587
2119	=item $player_object->enter_link	2588	=item $player_object->enter_link
2120		2589
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2591
2123	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
2125		2596
2126	Will never block.	2597	Will never block.
2127		2598
2128	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
2129		2600
…		…
2149	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2621	my ($self) = @_;
2151		2622
2152	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
2153		2624
		2625	++$self->{_link_recursion};
		2626
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2628
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2630	if $self->map && $self->map->{path} ne "{link}";
2158		2631
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2633	}
2161		2634
2162	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
2164		2637
…		…
2181	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
2183		2656
2184	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
2187		2660
2188	$map->load;	2661	$map->load;
2189	$map->load_diag;	2662	$map->load_neighbours;
2190		2663
2191	return unless $self->contr->active;	2664	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2665
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
2196	}	2668	# entering was successful
		2669	delete $self->{_link_recursion};
		2670	# only activate afterwards, to support waiting in hooks
		2671	$self->activate_recursive;
		2672	}
2197		2673
		2674	}
		2675
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2677
2200	Moves the player to the given map-path and coordinates by first freezing	2678	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2679	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2680	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
2204		2686
2205	=cut	2687	=cut
2206		2688
2207	our $GOTOGEN;	2689	our $GOTOGEN;
2208		2690
2209	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
2211		2699
2212	# do generation counting so two concurrent goto's will be executed in-order	2700	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2702
2215	$self->enter_link;	2703	$self->enter_link;
2216		2704
2217	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
2218	my $map = eval {	2727	my $map = eval {
2219	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
2220		2729
2221	if ($map) {	2730	if ($map) {
2222	$map = $map->customise_for ($self);	2731	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2732	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2733	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2735	}
2227		2736
2228	$map	2737	$map
2229	};	2738	};
2230		2739
…		…
2235		2744
2236	if ($gen == $self->{_goto_generation}) {	2745	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2746	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
2239	}	2748	}
		2749
		2750	$done->($self) if $done;
2240	})->prio (1);	2751	})->prio (1);
2241	}	2752	}
2242		2753
2243	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
2244		2755
…		…
2264	}	2775	}
2265		2776
2266	sub prepare_random_map {	2777	sub prepare_random_map {
2267	my ($exit) = @_;	2778	my ($exit) = @_;
2268		2779
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2782	# that depends on the exit object
2274		2783
2275	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2786	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
2282	}	2793	}
2283		2794
2284	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
2285		2796
2286	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
2289		2800
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2803	undef $fh;
2293	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
2294		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
2297	}	2812	}
2298	}	2813	}
2299		2814
2300	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
2302		2817
2303	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
2304		2819
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2820	$self->enter_link;
2317		2821
2318	(async {	2822	(async {
2319	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
2320	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
2321	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
2322		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
2323	1;	2846	1
2324	}) {	2847	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2852
2330	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2349		2872
2350	utf8::encode $text;	2873	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2875	}
2353		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2903
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2904	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2905	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2906	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2907	the message unless the client supports the msg packet.
2360		2908
2361	=cut	2909	=cut
2362		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
2363	sub cf::client::send_msg {	3025	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3026	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3027
2366	$msg = $self->pl->expand_cfpod ($msg);	3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
2367		3030
2368	if ($self->can_msg) {	3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3032
2381	if ($color >= 0) {	3033	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3034	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3035	$channel = $CHANNEL{$channel};
2384	} else {	3036
2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3037	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
2387	}	3045	}
2388	}
2389	}
2390	}
2391		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
2392	=item $client->ext_event ($type, %msg)	3064	=item $client->ext_msg ($type, @msg)
2393		3065
2394	Sends an exti event to the client.	3066	Sends an ext event to the client.
2395		3067
2396	=cut	3068	=cut
2397		3069
2398	sub cf::client::ext_event($$%) {	3070	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3071	my ($self, $type, @msg) = @_;
2400		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3076	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
2403	}	3097	}
2404		3098
2405	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2406		3100
2407	Queues a query to the client, calling the given callback with	3101	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3102	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3104
2411	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3106	become reliable at some point in the future.
2413		3107
2414	=cut	3108	=cut
2415		3109
2416	sub cf::client::query {	3110	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3119	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3121
2428	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
2430	}	3126	}
2431		3127
2432	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
2433	on_reply => sub {	3134	on_reply => sub {
2434	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
2435		3136
2436	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
2437	# get handled first	3138	# get handled first
…		…
2449	} else {	3150	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3152	}
2452	}	3153	}
2453	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
2454	);	3181	);
2455		3182
2456	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
2457		3184
2458	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3201
2475	$coro	3202	$coro
2476	}	3203	}
2477		3204
2478	cf::client->attach (	3205	cf::client->attach (
2479	on_destroy => sub {	3206	on_client_destroy => sub {
2480	my ($ns) = @_;	3207	my ($ns) = @_;
2481		3208
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3210	},
2484	);	3211	);
…		…
2499	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2501		3228
2502	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2503		3230
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2505		3236
2506	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2507		3238
2508	=pod	3239	=pod
2509		3240
2510	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2511		3242
2512	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2513	cf::object::player player	3248	cf::object::player
2514	cf::player peaceful	3249	player
2515	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2516		3256
2517	=cut	3257	=cut
2518		3258
2519	for (	3259	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2524	) {	3266	) {
2525	no strict 'refs';	3267	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2545		3287
2546	my $qcode = $code;	3288	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2549		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2550	local $_;	3295	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3296
2553	my $eval =	3297	my $eval =
2554	"do {\n"	3298	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3301	. $code
2558	. "\n}"	3302	. "\n}"
2559	;	3303	;
2560		3304
		3305	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2564		3314
2565	if ($@) {	3315	if ($@) {
2566	warn "$@";	3316	warn "$@";
2567	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2568	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2587	=cut	3337	=cut
2588		3338
2589	sub register_script_function {	3339	sub register_script_function {
2590	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2591		3341
2592	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2594	}	3344	}
2595		3345
2596	=back	3346	=back
2597		3347
2598	=cut	3348	=cut
…		…
2600	#############################################################################	3350	#############################################################################
2601	# the server's init and main functions	3351	# the server's init and main functions
2602		3352
2603	sub load_facedata($) {	3353	sub load_facedata($) {
2604	my ($path) = @_;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2605		3361
2606	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2607		3363
2608	my $facedata;	3364	my $facedata;
2609	0 < aio_load $path, $facedata	3365	0 < aio_load $path, $facedata
…		…
2612	$facedata = Coro::Storable::thaw $facedata;	3368	$facedata = Coro::Storable::thaw $facedata;
2613		3369
2614	$facedata->{version} == 2	3370	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
2617	{	3382	{
2618	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
2619		3384
2620	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3387
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3388	cf::face::set_visibility $idx, $info->{visibility};
		3389	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3392
		3393	cf::cede_to_tick;
2626	}	3394	}
2627		3395
2628	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2630	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2631	or next;	3400	or next;
		3401
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
		3403	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3405	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3407	}
2637	Coro::cede;	3408
		3409	cf::cede_to_tick;
2638	}	3410	}
2639	}	3411	}
2640		3412
2641	{	3413	{
2642	my $anims = $facedata->{animinfo};	3414	my $anims = $facedata->{animinfo};
2643		3415
2644	while (my ($anim, $info) = each %$anims) {	3416	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3418	cf::cede_to_tick;
2647	}	3419	}
2648		3420
2649	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
2650	}	3422	}
2651		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
2652	1	3443	1
2653	}	3444	}
2654		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
2655	sub reload_regions {	3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
2656	load_resource_file "$MAPDIR/regions"	3489	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
2658	}	3496	}
2659		3497
2660	sub reload_facedata {	3498	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3499	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3500	or die "unable to load facedata\n";
…		…
2673	}	3511	}
2674		3512
2675	sub reload_resources {	3513	sub reload_resources {
2676	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2677		3515
		3516	reload_facedata;
		3517	reload_archetypes;
2678	reload_regions;	3518	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3519	reload_treasures;
2683		3520
2684	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
2685	}	3522	}
2686		3523
2687	sub init {	3524	sub reload_config {
2688	reload_resources;	3525	warn "reloading config file...\n";
2689	}
2690		3526
2691	sub cfg_load {
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2693	or return;	3528	or return;
2694		3529
2695	local $/;	3530	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2697		3532
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3534
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3537
2703	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2706	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2707	};	3542	};
2708	warn $@ if $@;	3543	warn $@ if $@;
2709	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2710	}	3575	}
2711		3576
2712	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2713	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3590	(async {
2717	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2719	};	3594	};
2720		3595
2721	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2722	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2723	load_extensions;	3619	load_extensions;
2724		3620
2725	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2727	}	3634	}
2728		3635
2729	#############################################################################	3636	#############################################################################
2730	# initialisation and cleanup	3637	# initialisation and cleanup
2731		3638
2732	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2733	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2742	},
2743	);	3645	};
2744	}	3646	}
2745	}	3647	}
2746		3648
2747	sub write_runtime {	3649	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3650	my $t0 = AE::time;
2749		3651
2750	# first touch the runtime file to show we are still running:	3652	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3653	# the fsync below can take a very very long time.
2752		3654
2753	IO::AIO::aio_utime $runtime, undef, undef;	3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3656
2755	my $guard = cf::lock_acquire "write_runtime";	3657	my $guard = cf::lock_acquire "write_runtime";
2756		3658
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3660	or return;
2759		3661
2760	my $value = $cf::RUNTIME + 90 + 10;	3662	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3663	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3664	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3674	aio_utime $fh, undef, undef;
2773		3675
2774	close $fh	3676	close $fh
2775	or return;	3677	or return;
2776		3678
2777	aio_rename "$runtime~", $runtime	3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3680	and return;
2779		3681
2780	warn "runtime file written.\n";	3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3683
2782	1	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2783	}	3735	}
2784		3736
2785	sub emergency_save() {	3737	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2787		3739
2788	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2789		3741
2790	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2791	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3756	$pl->save;
2799	}	3757	}
2800	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2801		3759
2802	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3763	$map->valid or next;
2806	$map->save;	3764	$map->save;
2807	}	3765	}
2808	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2809		3767
2810	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2813	};	3775	};
2814		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2815	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2816	}	3783	}
2817		3784
2818	sub post_cleanup {	3785	sub post_cleanup {
2819	my ($make_core) = @_;	3786	my ($make_core) = @_;
2820		3787
2821	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
2823	}	3818	}
2824		3819
2825	sub do_reload_perl() {	3820	sub do_reload_perl() {
2826	# can/must only be called in main	3821	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2828	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2829	return;	3824	return;
2830	}	3825	}
2831		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2832	warn "reloading...";	3832	warn "reloading...";
2833		3833
2834	warn "entering sync_job";	3834	warn "entering sync_job";
2835		3835
2836	cf::sync_job {	3836	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2838	cf::emergency_save;	3838	cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2840		3840
2841	warn "syncing database to disk";	3841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2843		3843
2844	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2845		3845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2857	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();
2865
2866	warn "removing commands";
2867	%COMMAND = ();
2868
2869	warn "removing ext commands";
2870	%EXTCMD = ();
2871
2872	warn "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";
2875
2876	if (my $cb = $pkg->can ("unload")) {
2877	eval {
2878	$cb->($pkg);
2879	1
2880	} or warn "$pkg unloaded, but with errors: $@";
2881	}	3849	}
2882		3850
2883	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
2884	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
2885	}	3853	%EXT_CORO = ();
2886		3854
2887	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
2888	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
2891	warn "... unloading $k";	3864	warn "... unloading $pkg";
2892	delete $INC{$k};
2893		3865
2894	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;
2896
2897	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
2898	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2899	}	3875	}
2900		3876
2901	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
2902	}	3892	}
2903		3893
2904	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3897
2908	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		3901
2912	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3903	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2915		3905
2916	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
2917		3907
2918	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2919	require cf;	3909	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2921		3911
2922	warn "loading config and database again";	3912	warn "loading config and database again";
2923	cf::cfg_load;	3913	cf::reload_config;
2924		3914
2925	warn "loading extensions";	3915	warn "loading extensions";
2926	cf::load_extensions;	3916	cf::load_extensions;
2927		3917
		3918	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
2934		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
2935	warn "leaving sync_job";	3930	warn "leaving sync_job";
2936		3931
2937	1	3932	1
2938	} or do {	3933	} or do {
2939	warn $@;	3934	warn $@;
2940	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
2941	exit 1;
2942	};	3936	};
2943		3937
2944	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
2945	};	3944	};
2946		3945
2947	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
2948		3947
2949	sub reload_perl() {	3948	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
2952		3951
2953	$RELOAD_WATCHER ||= Event->timer (	3952	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	3953	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	3954
2956	data => WF_AUTOCANCEL,	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	3956	do_reload_perl;
2959	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
2960	},	3958	};
2961	);	3959	};
2962	}	3960	}
2963		3961
2964	register_command "reload" => sub {	3962	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2966		3964
2967	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	3969	reload_perl;
		3970	};
2970	}	3971	}
2971	};	3972	};
2972		3973
2973	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2974		3975
…		…
2976		3977
2977	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
2979		3980
2980	sub wait_for_tick {	3981	sub wait_for_tick {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		3983
2984	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	3986	$signal->wait;
2987	}	3987	}
2988		3988
2989	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		3991
2993	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	3994	$signal->wait;
2996	}	3995	}
2997		3996
2998	my $min = 1e6;#d#	3997	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	3998	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
3010	return;	4001	return;
3011	}	4002	}
3012		4003
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
3016		4005
3017	0 && sync_job {#d#	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		4007
3023	$map->width (50);	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	4010	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	4011	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	4012	write_runtime_sync
3028		4013	or warn "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4014	};
		4015	}
3039		4016
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4018	$sig->send;
3056	}	4019	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4020	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	4021	$sig->send;
3059	}	4022	}
3060		4023
3061	$NOW = Event::time;	4024	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4026
3072	_post_tick;	4027	if (0) {
3073		4028	if ($NEXT_TICK) {
3074		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
3075	},	4033	}
3076	);	4034	}
3077		4035
3078	{	4036	{
3079	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4038
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
3089		4040	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4041	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4042
3105	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4050
3108	cf::sync_job {	4051	cf::sync_job {
3109	eval {	4052	eval {
3110	BDB::db_env_open	4053	BDB::db_env_open
3111	$DB_ENV,	4054	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4058	0666;
3116		4059
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4061	};
3122		4062
3123	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4064	};
3125	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
3126	}	4076	}
3127		4077
3128	{	4078	{
		4079	# configure IO::AIO
		4080
3129	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4083	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4084	}
3142		4085
3143	my $_log_backtrace;	4086	my $_log_backtrace;
3144		4087
3145	sub _log_backtrace {	4088	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	4091	$msg =~ s/\n//;
3149		4092
3150	# limit the # of concurrent backtraces	4093	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4094	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
3153	async {	4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
3154	my @bt = fork_call {	4100	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4101	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4104	or die "addr2line: $!";
…		…
3166	}	4112	}
3167		4113
3168	@funcs	4114	@funcs
3169	};	4115	};
3170		4116
3171	LOG llevInfo, "[ABT] $msg\n";	4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4119	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4120	--$_log_backtrace;
3174	};	4121	};
3175	} else {	4122	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4123	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4124	LOG llevInfo, "[ABT] [suppressed]\n";
3178	}	4125	}
3179	}	4126	}
3180		4127
3181	# load additional modules	4128	# load additional modules
3182	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
3183		4131
3184	END { cf::emergency_save }	4132	END { cf::emergency_save }
3185		4133
3186	1	4134	1
3187		4135

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