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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.348 by root, Thu Aug 30 08:34:40 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	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
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	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.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
277	Locks are *not* recursive, locking from the same coro twice results in a	416	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	417	deadlocked coro.
…		…
284		423
285	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
286		425
287	=cut	426	=cut
288		427
289	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
290		429
291	sub lock_wait($) {	430	sub lock_wait($) {
292	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	432	}
300		433
301	sub lock_acquire($) {	434	sub lock_acquire($) {
302	my ($key) = @_;	435	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	436	}
314		437
315	sub lock_active($) {	438	sub lock_active($) {
316	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	440	}
320		441
321	sub freeze_mainloop {	442	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
323		444
324	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	446	}
326	};	447
327	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
328	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
329	}	461	}
330		462
331	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
332		464
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		473
342	=cut	474	=cut
343		475
344	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
346		479
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
349	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
350		486
351	while () {	487	while () {
352	next_job:	488	next_job:
		489
353	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	491
355	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	496	$job->[2]->send;
359	Coro::cede;	497	Coro::cede;
360	goto next_job;	498	goto next_job;
361	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	501	}
363	}	502	}
364		503
365	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	507	$signal->wait;
369	} else {	508	} else {
		509	$busy = 0;
370	Coro::schedule;	510	Coro::schedule;
371	}	511	}
372	}	512	}
373	};	513	};
374		514
375	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
376	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
377		519
378	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
379	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
380		523
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
394		537
395	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
396		539
397	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
398		541
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	545	acceptable.
403		546
404	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	552	=cut
410		553
411	sub sync_job(&) {	554	sub sync_job(&) {
412	my ($job) = @_;	555	my ($job) = @_;
413		556
414	if ($Coro::current == $Coro::main) {	557	if (in_main) {
415	my $time = Event::time;	558	my $time = AE::time;
416		559
417	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
419		562
420	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	564
422	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
423		566
424	my $busy = 1;	567	my $busy = 1;
425	my @res;	568	my @res;
426		569
427	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	572	@res = eval { $job->() };
429	warn $@ if $@;	573	error $@ if $@;
430	undef $busy;	574	undef $busy;
431	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
432		576
433	while ($busy) {	577	while ($busy) {
434	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
435	}	582	}
		583	}
436		584
437	$time = Event::time - $time;	585	my $time = AE::time - $time;
438		586
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
443		588
444	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
445	} else {	590	} else {
446	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
447		592
…		…
467	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
468		613
469	$coro	614	$coro
470	}	615	}
471		616
472	=item fork_call { }, $args	617	=item fork_call { }, @args
473		618
474	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
478		623
479	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
480		629
481	sub fork_call(&@) {	630	sub fork_call(&@) {
482	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
483		632
484	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
487		636
488	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
489	reset_signals;	638	cf::post_fork;
490	&$cb	639	&$cb
491	}, @args;	640	} @args;
492		641
493	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
494	}	681	}
495		682
496	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
497		684
498	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
501		688
502	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
505	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
506		718
507	our $DB;	719	our $DB;
508		720
509	sub db_init {	721	sub db_init {
510	unless ($DB) {	722	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	723	}
525		724
526	sub db_get($$) {	725	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
528		727
529	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
530	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
531		732
532	$! ? ()	733	$! ? ()
533	: $data	734	: $data
534	}
535	}	735	}
536		736
537	sub db_put($$$) {	737	sub db_put($$$) {
538	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
595		795
596	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	797	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
599		799
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		801
602	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
605		805
…		…
615		815
616	=cut	816	=cut
617		817
618	sub datalog($@) {	818	sub datalog($@) {
619	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	821	}
622		822
623	=back	823	=back
624		824
625	=cut	825	=cut
626		826
627	#############################################################################	827	#############################################################################
628		828
629	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
630		830
631	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
634		834
635	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	837	Deliantra).
638		838
639	=over 4	839	=over 4
640		840
641	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
642		842
…		…
686	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
687		887
688	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
690		890
691	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
693		893
694	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
695		895
696	=over 4	896	=over 4
…		…
820		1020
821	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1023
824	} elsif (ref $type) {	1024	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
826		1026
827	} else {	1027	} else {
828	shift @arg;	1028	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
830	}	1030	}
831	}	1031	}
832	}	1032	}
833		1033
834	sub _object_attach {	1034	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
845	}	1045	}
846		1046
847	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
848	} else {	1048	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1050	}
851		1051
852	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
853	}	1053	}
854		1054
…		…
913		1113
914	for (@$callbacks) {	1114	for (@$callbacks) {
915	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
916		1116
917	if ($@) {	1117	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1119	override;
921	}	1120	}
922		1121
923	return 1 if $override;	1122	return 1 if $override;
924	}	1123	}
925		1124
926	0	1125	0
927	}	1126	}
928		1127
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1129
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1131
933	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
934		1133
…		…
940		1139
941	=cut	1140	=cut
942		1141
943	#############################################################################	1142	#############################################################################
944	# object support	1143	# object support
945	#
946		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
947	sub _can_merge {	1178	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
949		1180
950	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1182
954	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
955	}	1185	}
956		1186
957	sub reattach {	1187	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1189	my ($obj) = @_;
960		1190
		1191	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1193
963	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
964		1195
965	@$registry = ();	1196	@$registry = ();
966		1197
…		…
971	for (@$attach) {	1202	for (@$attach) {
972	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
974	}	1205	}
975	} else {	1206	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1208	}
978	}	1209	}
979	}	1210	}
980		1211
981	cf::attachable->attach (	1212	cf::attachable->attach (
982	prio => -1000000,	1213	prio => -1000000,
983	on_instantiate => sub {	1214	on_instantiate => sub {
984	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
985		1216
986	$data = from_json $data;	1217	$data = decode_json $data;
987		1218
988	for (@$data) {	1219	for (@$data) {
989	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
990		1221
991	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1238	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1009		1240
1010	sync_job {	1241	sync_job {
1011	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1014		1247
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1019	close $fh;	1255	aio_close $fh;
1020		1256
1021	if (@$objs) {	1257	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1027	close $fh;	1266	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1268	}
1030	} else {	1269	} else {
1031	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1032	}	1271	}
1033		1272
1034	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1277	} else {
1036	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1037	}	1279	}
1038	} else {	1280	} else {
1039	aio_unlink $filename;	1281	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1041	}	1283	}
1042	}	1284	};
1043	}	1285	}
1044		1286
1045	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1047		1289
…		…
1059	or return;	1301	or return;
1060		1302
1061	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1305	or return;
		1306
1064	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1065	}	1309	}
1066		1310
		1311	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1069	return ($data, $av);	1316	($data, $av)
1070	}	1317	}
1071		1318
1072	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1073		1320
1074	=over 4	1321	=over 4
…		…
1128	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1129		1376
1130	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1131	}	1378	}
1132		1379
		1380	use File::Glob ();
		1381
1133	cf::player->attach (	1382	cf::player->attach (
1134	on_command => sub {	1383	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1136		1385
1137	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1138	or return;	1387	or return;
1139		1388
…		…
1162		1411
1163	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1413	if $reply;
1165		1414
1166	} else {	1415	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1417	}
1169		1418
1170	cf::override;	1419	cf::override;
1171	},	1420	},
1172	);	1421	);
1173		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1174	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1175	cf::sync_job {	1439	cf::sync_job {
1176	my %todo;	1440	my %todo;
1177		1441
1178	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1443	next unless -r $path;
…		…
1197		1461
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1464
1201	$ext{source} =	1465	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1204	. $source	1468	. $source
1205	. "\n};\n1";	1469	. "\n};\n1";
1206		1470
1207	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1208	}	1472	}
1209		1473
		1474	my $pass = 0;
1210	my %done;	1475	my %done;
1211	while (%todo) {	1476	while (%todo) {
1212	my $progress;	1477	my $progress;
1213		1478
		1479	++$pass;
		1480
		1481	ext:
1214	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1484	next ext
1217	unless exists $done{$_};	1485	unless exists $done{$_};
1218	}	1486	}
1219		1487
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1489
1222	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1227	warn $msg;	1497
1228	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1499	delete $todo{$k};
1230	}	1500	} else {
1231		1501	$done{$k} = delete $todo{$k};
1232	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1233	}	1507	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1508	}
1239		1509
1240	skip:	1510	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1243	}	1518	}
1244	};	1519	};
1245	}	1520	}
1246		1521
1247	#############################################################################	1522	#############################################################################
1248		1523
1249	=back	1524	=back
1250		1525
1251	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1252		1527
1253	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1254		1529
1255	=cut	1530	=cut
1256		1531
1257	package cf::player;	1532	package cf::player;
1258		1533
1259	use Coro::AIO;	1534	use Coro::AIO;
1260		1535
1261	=head3 cf::player	1536	=head3 cf::player
1262		1537
1263	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1264		1553
1265	=item cf::player::find $login	1554	=item cf::player::find $login
1266		1555
1267	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1268		1557
…		…
1287		1576
1288	sub exists($) {	1577	sub exists($) {
1289	my ($login) = @_;	1578	my ($login) = @_;
1290		1579
1291	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1293	}	1582	}
1294		1583
1295	sub find($) {	1584	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1586	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1597
1309	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1312	}	1607	}
1313	}	1608	}
1314	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1315		1623
1316	sub save($) {	1624	sub save($) {
1317	my ($pl) = @_;	1625	my ($pl) = @_;
1318		1626
1319	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1323		1631
1324	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1325		1633
1326	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1641
1329	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1643	cf::cede_to_tick;
1331	}	1644	}
1332		1645
…		…
1364	my ($pl) = @_;	1677	my ($pl) = @_;
1365		1678
1366	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1367		1680
1368	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1683
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1374	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1375		1692
1376	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1413	or return [];	1730	or return [];
1414		1731
1415	my @logins;	1732	my @logins;
1416		1733
1417	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1421		1744
1422	utf8::decode $login;	1745	utf8::decode $login;
1423	push @logins, $login;	1746	push @logins, $login;
1424	}	1747	}
1425		1748
1426	\@logins	1749	\@logins
1427	}	1750	}
1428		1751
1429	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1430		1755
1431	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1432	player. May block.	1757	player. May block.
1433		1758
1434	=cut	1759	=cut
…		…
1452	}	1777	}
1453		1778
1454	\@paths	1779	\@paths
1455	}	1780	}
1456		1781
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1783
1459	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1785
1507	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1508		1787
1509	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1510		1789
…		…
1542		1821
1543	=cut	1822	=cut
1544		1823
1545	sub find_by_path($) {	1824	sub find_by_path($) {
1546	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1547		1828
1548	my ($match, $specificity);	1829	my ($match, $specificity);
1549		1830
1550	for my $region (list) {	1831	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1579		1860
1580	sub generate_random_map {	1861	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1583	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1867	}
1597		1868
1598	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1599		1870
1600	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1605		1876
1606	sub register {	1877	sub register {
1607	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1879	my $pkg = caller;
1609		1880
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1882
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1884	}
1615		1885
1616	# also paths starting with '/'	1886	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1888
1619	sub thawer_merge {	1889	sub thawer_merge {
1620	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1621		1891
1622	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1627	}	1897	}
1628		1898
1629	sub normalise {	1899	sub normalise {
1630	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1631		1901
1632	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1633		1903
1634	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1635		1905
1636	# map plan:	1906	# map plan:
1637	#	1907	#
…		…
1652	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	1923	$path = "$base/$path";
1654	}	1924	}
1655		1925
1656	for ($path) {	1926	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1660	}	1929	}
1661		1930
1662	$path	1931	$path
…		…
1676	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1677	return $self;	1946	return $self;
1678	}	1947	}
1679	}	1948	}
1680		1949
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1951	()
1683	}	1952	}
1684		1953
1685	sub init {	1954	sub init {
1686	my ($self) = @_;	1955	my ($self) = @_;
…		…
1708		1977
1709	# the temporary/swap location	1978	# the temporary/swap location
1710	sub save_path {	1979	sub save_path {
1711	my ($self) = @_;	1980	my ($self) = @_;
1712		1981
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1715	}	1984	}
1716		1985
1717	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1718	sub uniq_path {	1987	sub uniq_path {
1719	my ($self) = @_;	1988	my ($self) = @_;
1720		1989
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1992	}
1733		1993
1734	sub decay_objects {	1994	sub decay_objects {
1735	my ($self) = @_;	1995	my ($self) = @_;
1736		1996
…		…
1749		2009
1750	sub load_header_from($) {	2010	sub load_header_from($) {
1751	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1752		2012
1753	utf8::encode $path;	2013	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1759		2022
1760	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1761		2024
1762	1	2025	1
1763	}	2026	}
…		…
1815		2078
1816	sub find;	2079	sub find;
1817	sub find {	2080	sub find {
1818	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1819		2082
		2083	cf::cede_to_tick;
		2084
1820	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1821		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2089
1824	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1827	or return;	2092	or return;
1828		2093
1829	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1830		2095
…		…
1832	or return;	2097	or return;
1833		2098
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1837	$map->reset;	2104	$map->reset;
1838	undef $guard;
1839	return find $path;	2105	return find $path;
1840	}	2106	}
1841		2107
1842	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1843	}	2109	}
1844	}	2110	}
1845		2111
1846	sub pre_load { }	2112	sub pre_load { }
1847	sub post_load { }	2113	#sub post_load { } # XS
1848		2114
1849	sub load {	2115	sub load {
1850	my ($self) = @_;	2116	my ($self) = @_;
1851		2117
1852	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1853		2119
1854	my $path = $self->{path};	2120	my $path = $self->{path};
1855		2121
1856	{	2122	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2124
		2125	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2127
1862	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1863		2129
1864	$self->alloc;	2130	$self->alloc;
1865		2131
1866	$self->pre_load;	2132	$self->pre_load;
1867	cf::cede_to_tick;	2133	cf::cede_to_tick;
1868		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1870	or return;	2138	or return;
1871		2139
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1873	if delete $self->{load_original};	2141	if delete $self->{load_original};
1874		2142
1875	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2144	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2147	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1880	}	2151	}
1881	}	2152	}
		2153
		2154	$f->resolve_delayed_derefs;
1882		2155
1883	cf::cede_to_tick;	2156	cf::cede_to_tick;
1884	# now do the right thing for maps	2157	# now do the right thing for maps
1885	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2164	$self->decay_objects;
1892	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1893	$self->update_buttons;	2166	$self->update_buttons;
1894	cf::cede_to_tick;	2167	cf::cede_to_tick;
1895	$self->set_darkness_map;
1896	cf::cede_to_tick;
1897	$self->activate;	2168	$self->activate;
1898	}	2169	}
1899		2170
1900	$self->{last_save} = $cf::RUNTIME;	2171	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2172	$self->last_access ($cf::RUNTIME);
1902		2173
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2175	}
1905		2176
1906	$self->post_load;	2177	$self->post_load;
1907	}
1908		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1909	sub customise_for {	2185	sub customise_for {
1910	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1911		2187
1912	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2189	if $self->per_player;
…		…
1929	or next;	2205	or next;
1930	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1931	or next;	2207	or next;
1932	$neigh->load;	2208	$neigh->load;
1933		2209
		2210	# now find the diagonal neighbours
1934	push @neigh,	2211	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}	2214	}
1938		2215
…		…
1945	}	2222	}
1946		2223
1947	sub find_sync {	2224	sub find_sync {
1948	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1949		2226
1950	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1951	}	2231	}
1952		2232
1953	sub do_load_sync {	2233	sub do_load_sync {
1954	my ($map) = @_;	2234	my ($map) = @_;
1955		2235
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2237	if $Coro::current == $Coro::main;
1958		2238
1959	cf::sync_job { $map->load };	2239	$map->load;
1960	}	2240	}
1961		2241
1962	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1964		2244
…		…
1966	my ($path, $origin, $load) = @_;	2246	my ($path, $origin, $load) = @_;
1967		2247
1968	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1969		2249
1970	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2252	}
1973		2253
1974	$MAP_PREFETCH{$path} |= $load;	2254	$MAP_PREFETCH{$path} |= $load;
1975		2255
1976	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1977	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2261	if (my $map = find $k) {
1980	$map->load if $v;	2262	$map->load if $v;
1981	}	2263	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1989		2271
1990	()	2272	()
1991	}	2273	}
1992		2274
		2275	# common code, used by both ->save and ->swapout
1993	sub save {	2276	sub _save {
1994	my ($self) = @_;	2277	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2278
1998	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1999		2280
2000	return unless $self->dirty;	2281	return unless $self->dirty;
2001		2282
…		…
2007	return if $self->{deny_save};	2288	return if $self->{deny_save};
2008		2289
2009	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
2010		2291
2011	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
2013	};	2295	};
		2296
		2297	cf::get_slot 0.02;
2014		2298
2015	if ($uniq) {	2299	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2302	} else {
2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2020	}	2304	}
2021	}	2305	}
2022		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
2023	sub swap_out {	2315	sub swap_out {
2024	my ($self) = @_;	2316	my ($self) = @_;
2025		2317
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
2031	return if $self->players;	2322	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
2035	$self->clear;	2333	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2334	}
2038		2335
2039	sub reset_at {	2336	sub reset_at {
2040	my ($self) = @_;	2337	my ($self) = @_;
2041		2338
…		…
2059		2356
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2358
2062	return if $self->players;	2359	return if $self->players;
2063		2360
2064	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
2065		2362
2066	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
2067		2364
2068	# need to save uniques path	2365	# need to save uniques path
2069	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2370	if $uniq;
2074	}	2371	}
2075		2372
2076	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2077		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2377	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2378
2082	$self->unlink_save;	2379	$self->unlink_save;
2083	$self->destroy;	2380	$self->destroy;
2084	}	2381	}
2085		2382
2086	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2087		2384
2088	sub nuke {	2385	sub nuke {
2089	my ($self) = @_;	2386	my ($self) = @_;
2090		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2091	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2092		2392
2093	$self->unlink_save;	2393	$self->unlink_save;
2094		2394
2095	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2096	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2400
2101	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2102		2403
2103	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2104	}	2405	}
2105		2406
2106	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2148		2449
2149	sub unique_maps() {	2450	sub unique_maps() {
2150	[	2451	[
2151	map {	2452	map {
2152	utf8::decode $_;	2453	utf8::decode $_;
2153	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2154	? normalise $_	2457	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2459	]
2158	}	2460	}
2159		2461
2160	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2161		2493
2162	=back	2494	=back
2163		2495
2164	=head3 cf::object	2496	=head3 cf::object
2165		2497
…		…
2169		2501
2170	=over 4	2502	=over 4
2171		2503
2172	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2173		2505
2174	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2175		2508
2176	=cut	2509	=cut
2177		2510
2178	sub inv_recursive_;	2511	sub inv_recursive_;
2179	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2182		2515
2183	sub inv_recursive {	2516	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2185	}	2518	}
2186		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2187	package cf;	2548	package cf;
2188		2549
2189	=back	2550	=back
2190		2551
2191	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2200		2561
2201	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2202		2577
2203	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2579	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2595
2221	} else {	2596	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2599	}
2225	}	2600	}
2226	}	2601	}
2227		2602
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2628
2254	=item $player_object->enter_link	2629	=item $player_object->enter_link
2255		2630
2256	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2257		2632
2258	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2259	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2260		2637
2261	Will never block.	2638	Will never block.
2262		2639
2263	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2264		2641
…		…
2284	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2285	my ($self) = @_;	2662	my ($self) = @_;
2286		2663
2287	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2288		2665
		2666	++$self->{_link_recursion};
		2667
2289	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2290		2669
2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2292	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2293		2672
2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2295	}	2674	}
2296		2675
2297	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2298	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2299		2678
…		…
2316	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2317	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2318		2697
2319	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2320	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2321	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2322		2701
2323	$map->load;	2702	$map->load;
2324	$map->load_neighbours;	2703	$map->load_neighbours;
2325		2704
2326	return unless $self->contr->active;	2705	return unless $self->contr->active;
2327	$self->activate_recursive;
2328		2706
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2331	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2332		2714
		2715	}
		2716
2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2334		2718
2335	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2336	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2723	be called at the end of this process.
2340		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
2341	=cut	2728	=cut
2342		2729
2343	our $GOTOGEN;	2730	our $GOTOGEN;
2344		2731
2345	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2346	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
2347		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
2348	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2743
2351	$self->enter_link;	2744	$self->enter_link;
2352		2745
2353	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2354	my $map = eval {	2768	my $map = eval {
2355	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2356		2770
2357	if ($map) {	2771	if ($map) {
2358	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2360	} else {	2774	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2776	}
2363		2777
2364	$map	2778	$map
2365	};	2779	};
2366		2780
…		…
2372	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2373	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2374	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2375	}	2789	}
2376		2790
2377	$done->() if $done;	2791	$done->($self) if $done;
2378	})->prio (1);	2792	})->prio (1);
2379	}	2793	}
2380		2794
2381	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2382		2796
…		…
2402	}	2816	}
2403		2817
2404	sub prepare_random_map {	2818	sub prepare_random_map {
2405	my ($exit) = @_;	2819	my ($exit) = @_;
2406		2820
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2823	# that depends on the exit object
2412		2824
2413	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2827	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2420	}	2834	}
2421		2835
2422	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2423		2837
2424	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2427		2841
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2844	undef $fh;
2431	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2432		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2435	}	2853	}
2436	}	2854	}
2437		2855
2438	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2440		2858
2441	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2442		2860
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2861	$self->enter_link;
2455		2862
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2863	(async {
2461	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2462	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2463	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2464		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2465	1;	2887	1
2466	}) {	2888	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2893
2472	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2473	$self->leave_link;	2895	$self->leave_link;
2474	}	2896	}
2475	})->prio (1);	2897	})->prio (1);
2476	}	2898	}
2477		2899
…		…
2489	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
2490	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
2491		2913
2492	utf8::encode $text;	2914	utf8::encode $text;
2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2916	}
		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
2494	}	2941	}
2495		2942
2496	=item $client->send_msg ($channel, $msg, $color, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2497		2944
2498	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2502		2949
2503	=cut	2950	=cut
2504		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2505	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2507		3068
2508	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2509		3071
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
2512	if (ref $channel) {	3081	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	3082	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	3083	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	3084	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	3085	$self->ext_msg (channel_info => $channel);
2517	}	3086	}
…		…
2519	$channel = $channel->{id};	3088	$channel = $channel->{id};
2520	}	3089	}
2521		3090
2522	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2523		3092
2524	if ($self->can_msg) {
2525	# default colour, mask it out	3093	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	3095	if $color & cf::NDI_DEF;
2528		3096
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2531	} else {	3100	);
2532	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {
2535	1 while
2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2541	}
2542		3101
2543	$color &= cf::NDI_COLOR_MASK;	3102	$self->send_big_packet ($pkt);
2544
2545	utf8::encode $msg;
2546
2547	if (0 && $msg =~ /\[/) {
2548	# COMMAND/INFO
2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
2550	} else {
2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2552	$self->send_packet ("drawinfo $color $msg")
2553	}
2554	}
2555	}
2556	}	3103	}
2557		3104
2558	=item $client->ext_msg ($type, @msg)	3105	=item $client->ext_msg ($type, @msg)
2559		3106
2560	Sends an ext event to the client.	3107	Sends an ext event to the client.
…		…
2563		3110
2564	sub cf::client::ext_msg($$@) {	3111	sub cf::client::ext_msg($$@) {
2565	my ($self, $type, @msg) = @_;	3112	my ($self, $type, @msg) = @_;
2566		3113
2567	if ($self->extcmd == 2) {	3114	if ($self->extcmd == 2) {
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2569	} elsif ($self->extcmd == 1) { # TODO: remove	3116	} elsif ($self->extcmd == 1) { # TODO: remove
2570	push @msg, msgtype => "event_$type";	3117	push @msg, msgtype => "event_$type";
2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572	}	3119	}
2573	}	3120	}
2574		3121
2575	=item $client->ext_reply ($msgid, @msg)	3122	=item $client->ext_reply ($msgid, @msg)
2576		3123
…		…
2580		3127
2581	sub cf::client::ext_reply($$@) {	3128	sub cf::client::ext_reply($$@) {
2582	my ($self, $id, @msg) = @_;	3129	my ($self, $id, @msg) = @_;
2583		3130
2584	if ($self->extcmd == 2) {	3131	if ($self->extcmd == 2) {
2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586	} elsif ($self->extcmd == 1) {	3133	} elsif ($self->extcmd == 1) {
2587	#TODO: version 1, remove	3134	#TODO: version 1, remove
2588	unshift @msg, msgtype => "reply", msgid => $id;	3135	unshift @msg, msgtype => "reply", msgid => $id;
2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2590	}	3137	}
2591	}	3138	}
2592		3139
2593	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2594		3141
…		…
2665		3212
2666	$ns->ext_reply ($reply, @reply)	3213	$ns->ext_reply ($reply, @reply)
2667	if $reply;	3214	if $reply;
2668		3215
2669	} else {	3216	} else {
2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2671	}	3218	}
2672		3219
2673	cf::override;	3220	cf::override;
2674	},	3221	},
2675	);	3222	);
…		…
2695		3242
2696	$coro	3243	$coro
2697	}	3244	}
2698		3245
2699	cf::client->attach (	3246	cf::client->attach (
2700	on_destroy => sub {	3247	on_client_destroy => sub {
2701	my ($ns) = @_;	3248	my ($ns) = @_;
2702		3249
2703	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2704	},	3251	},
2705	);	3252	);
…		…
2721	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2722		3269
2723	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2724		3271
2725	$safe->permit_only (Opcode::opset qw(	3272	$safe->permit_only (Opcode::opset qw(
2726	:base_core :base_mem :base_orig :base_math	3273	:base_core :base_mem :base_orig :base_math :base_loop
2727	grepstart grepwhile mapstart mapwhile	3274	grepstart grepwhile mapstart mapwhile
2728	sort time	3275	sort time
2729	));	3276	));
2730		3277
2731	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
…		…
2733	=pod	3280	=pod
2734		3281
2735	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2736		3283
2737	cf::object	3284	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3286	insert remove name archname title slaying race decrease split
		3287	value
2740		3288
2741	cf::object::player	3289	cf::object::player
2742	player	3290	player
2743		3291
2744	cf::player	3292	cf::player
…		…
2749		3297
2750	=cut	3298	=cut
2751		3299
2752	for (	3300	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3302	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3303	decrease split destroy change_exp value msg lore send_msg)],
2756	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2758	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2759	) {	3307	) {
2760	no strict 'refs';
2761	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2762	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2763	for @funs;	3310	for @funs;
2764	}	3311	}
2765		3312
…		…
2780		3327
2781	my $qcode = $code;	3328	my $qcode = $code;
2782	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2783	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2784		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2785	local $_;	3335	local $_;
2786	local @safe::cf::_safe_eval_args = values %vars;
2787		3336
2788	my $eval =	3337	my $eval =
2789	"do {\n"	3338	"do {\n"
2790	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2791	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2792	. $code	3341	. $code
2793	. "\n}"	3342	. "\n}"
2794	;	3343	;
2795		3344
		3345	if ($CFG{safe_eval}) {
2796	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2797	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2798	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2799		3354
2800	if ($@) {	3355	if ($@) {
2801	warn "$@";	3356	warn "$@",
2802	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2803	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2804	}	3359	}
2805		3360
2806	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2807	}	3362	}
2808		3363
…		…
2822	=cut	3377	=cut
2823		3378
2824	sub register_script_function {	3379	sub register_script_function {
2825	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2826		3381
2827	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2828	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2829	}	3384	}
2830		3385
2831	=back	3386	=back
2832		3387
2833	=cut	3388	=cut
…		…
2842	# for this (global event?)	3397	# for this (global event?)
2843	%ext::player_env::MUSIC_FACE_CACHE = ();	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
2844		3399
2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2846		3401
2847	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2848		3403
2849	my $facedata;
2850	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2851	or die "$path: $!";	3405	or die "$path: $!";
2852		3406
2853	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2854		3408
2855	$facedata->{version} == 2	3409	$facedata->{version} == 2
2856	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2857		3411
2858	# patch in the exptable	3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2859	$facedata->{resource}{"res/exp_table"} = {	3414	$facedata->{resource}{"res/exp_table"} = {
2860	type => FT_RSRC,	3415	type => FT_RSRC,
2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
2862	};	3418	};
2863	cf::cede_to_tick;	3419	cf::cede_to_tick;
2864		3420
2865	{	3421	{
2866	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2867		3423
2868	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2870	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
2871	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
2874		3432
2875	cf::cede_to_tick;	3433	cf::cede_to_tick;
2876	}	3434	}
2877		3435
2878	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2879	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2880	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2881	or next;	3440	or next;
		3441
2882	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2883	cf::face::set_smooth $idx, $smooth;	3443	cf::face::set_smooth $idx, $smooth;
2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2885	} else {	3445	} else {
2886	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2887	}	3447	}
2888		3448
2889	cf::cede_to_tick;	3449	cf::cede_to_tick;
2890	}	3450	}
2891	}	3451	}
…		…
2900		3460
2901	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2902	}	3462	}
2903		3463
2904	{	3464	{
2905	# TODO: for gcfclient pleasure, we should give resources
2906	# that gcfclient doesn't grok a >10000 face index.
2907	my $res = $facedata->{resource};	3465	my $res = $facedata->{resource};
2908		3466
2909	my $soundconf = delete $res->{"res/sound.conf"};
2910
2911	while (my ($name, $info) = each %$res) {	3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2913	my $data;
2914		3470
2915	if ($info->{type} & 1) {	3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2916	# prepend meta info	3472	cf::face::set_type $idx, $info->{type};
2917
2918	my $meta = $enc->encode ({
2919	name => $name,
2920	%{ $info->{meta} || {} },
2921	});
2922
2923	$data = pack "(w/a*)*", $meta, $info->{data};
2924	} else {	3473	} else {
2925	$data = $info->{data};	3474	$RESOURCE{$name} = $info; # unused
2926	}	3475	}
2927		3476
2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2929	cf::face::set_type $idx, $info->{type};
2930
2931	cf::cede_to_tick;	3477	cf::cede_to_tick;
2932	}	3478	}
2933
2934	if ($soundconf) {
2935	$soundconf = $enc->decode (delete $soundconf->{data});
2936
2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2938	my $sound = $soundconf->{compat}[$_]
2939	or next;
2940
2941	my $face = cf::face::find "sound/$sound->[1]";
2942	cf::sound::set $sound->[0] => $face;
2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2944	}
2945
2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
2947	my $face = cf::face::find "sound/$v";
2948	cf::sound::set $k => $face;
2949	}
2950	}
2951	}	3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2952		3482
2953	1	3483	1
2954	}	3484	}
2955		3485
2956	register_exticmd fx_want => sub {	3486	register_exticmd fx_want => sub {
…		…
2958		3488
2959	while (my ($k, $v) = each %$want) {	3489	while (my ($k, $v) = each %$want) {
2960	$ns->fx_want ($k, $v);	3490	$ns->fx_want ($k, $v);
2961	}	3491	}
2962	};	3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
2963		3503
2964	sub reload_regions {	3504	sub reload_regions {
2965	# HACK to clear player env face cache, we need some signal framework	3505	# HACK to clear player env face cache, we need some signal framework
2966	# for this (global event?)	3506	# for this (global event?)
2967	%ext::player_env::MUSIC_FACE_CACHE = ();	3507	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2981	}	3521	}
2982		3522
2983	sub reload_archetypes {	3523	sub reload_archetypes {
2984	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2985	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2986	#d# NEED to laod twice to resolve forward references
2987	# this really needs to be done in an extra post-pass
2988	# (which needs to be synchronous, so solve it differently)
2989	load_resource_file "$DATADIR/archetypes"
2990	or die "unable to load archetypes\n";
2991	}	3526	}
2992		3527
2993	sub reload_treasures {	3528	sub reload_treasures {
2994	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2995	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2996	}	3531	}
2997		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2998	sub reload_resources {	3556	sub reload_resources {
2999	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
3000		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
3001	reload_regions;	3564	reload_regions;
3002	reload_facedata;
3003	#reload_archetypes;#d#
3004	reload_archetypes;
3005	reload_treasures;	3565	reload_treasures;
3006		3566
3007	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
3008	}
3009
3010	sub init {
3011	reload_resources;
3012	}	3568	}
3013		3569
3014	sub reload_config {	3570	sub reload_config {
3015	open my $fh, "<:utf8", "$CONFDIR/config"	3571	trace "reloading config file...\n";
3016	or return;
3017		3572
3018	local $/;	3573	0 < aio_load "$CONFDIR/config", my $config
3019	*CFG = YAML::Syck::Load <$fh>;	3574	or die "$CONFDIR/config: $!";
3020		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
3021	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3022		3580
3023	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3024	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3025		3583
3026	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
3030	};	3588	};
3031	warn $@ if $@;	3589	warn $@ if $@;
3032	}	3590	}
3033	}	3591	}
3034		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
3035	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
3036	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
3037	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
3038	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3039	(async {	3634	(async {
3040	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
3041	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
3042	};	3638	};
3043		3639
		3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
3044	reload_config;	3652	reload_config;
3045	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
3046	load_extensions;	3663	load_extensions;
3047		3664
3048	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
3049	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
3050	}	3683	}
3051		3684
3052	#############################################################################	3685	#############################################################################
3053	# initialisation and cleanup	3686	# initialisation and cleanup
3054		3687
3055	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
3056	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
3057	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
3058	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3059	reentrant => 0,
3060	data => WF_AUTOCANCEL,
3061	signal => $signal,
3062	prio => 0,
3063	cb => sub {
3064	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
3065	},
3066	);	3694	};
3067	}	3695	}
3068	}	3696	}
3069		3697
3070	sub write_runtime {	3698	sub write_runtime_sync {
3071	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
3072		3700
3073	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
3074	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
3075		3703
3076	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3077		3705
3078	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
3079		3707
3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3081	or return;	3709	or return;
3082		3710
3083	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
3084	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
3085	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
3095	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
3096		3724
3097	close $fh	3725	close $fh
3098	or return;	3726	or return;
3099		3727
3100	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3101	and return;	3729	and return;
3102		3730
3103	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3104		3732
3105	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
3106	}	3784	}
3107		3785
3108	sub emergency_save() {	3786	sub emergency_save() {
3109	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
3110		3788
3111	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
3112		3795
3113	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
3114	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
3115	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
3116	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
3117	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
3118	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
3119	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
3120	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3121	$pl->save;	3807	$pl->save;
3122	}	3808	}
3123	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
3124		3810
3125	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
3126	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
3127	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
3128	$map->valid or next;	3816	$map->valid or next;
3129	$map->save;	3817	$map->save;
3130	}	3818	}
3131	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
3132		3820
3133	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
3134	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
3135	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
3136	};	3849	};
3137		3850
3138	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
3139	}	3852	}
3140		3853
3141	sub post_cleanup {	3854	sub post_cleanup {
3142	my ($make_core) = @_;	3855	my ($make_core) = @_;
3143		3856
		3857	IO::AIO::flush;
		3858
3144	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
3145	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
3146	}	3889	}
3147		3890
3148	sub do_reload_perl() {	3891	sub do_reload_perl() {
3149	# can/must only be called in main	3892	# can/must only be called in main
3150	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
3151	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
3152	return;	3895	return;
3153	}	3896	}
3154		3897
3155	warn "reloading...";	3898	return if $RELOAD++;
3156		3899
3157	warn "entering sync_job";	3900	my $t1 = AE::time;
3158		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
3159	cf::sync_job {	3908	cf::sync_job {
3160	cf::write_runtime; # external watchdog should not bark
3161	cf::emergency_save;	3909	#cf::emergency_save;
3162	cf::write_runtime; # external watchdog should not bark
3163		3910
3164	warn "syncing database to disk";
3165	BDB::db_env_txn_checkpoint $DB_ENV;
3166
3167	# if anything goes wrong in here, we should simply crash as we already saved
3168
3169	warn "cancelling all WF_AUTOCANCEL watchers";
3170	for (Event::all_watchers) {
3171	$_->cancel if $_->data & WF_AUTOCANCEL;
3172	}
3173
3174	warn "flushing outstanding aio requests";
3175	for (;;) {
3176	BDB::flush;
3177	IO::AIO::flush;
3178	Coro::cede;
3179	last unless IO::AIO::nreqs || BDB::nreqs;
3180	warn "iterate...";
3181	}
3182
3183	++$RELOAD;
3184
3185	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
3186	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
3187	%EXT_CORO = ();	3913	%EXT_CORO = ();
3188		3914
3189	warn "removing commands";	3915	trace "perl_reload: removing commands";
3190	%COMMAND = ();	3916	%COMMAND = ();
3191		3917
3192	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
3193	%EXTCMD = ();	3919	%EXTCMD = ();
3194	%EXTICMD = ();	3920	%EXTICMD = ();
3195		3921
3196	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
3197	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
3198	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
3199		3925
3200	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
3201	eval {	3927	eval {
3202	$cb->($pkg);	3928	$cb->($pkg);
3203	1	3929	1
3204	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
3205	}	3935	}
3206		3936
3207	warn "... nuking $pkg";
3208	Symbol::delete_package $pkg;
3209	}
3210
3211	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3212	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
3213	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3214		3940
3215	warn "... unloading $k";	3941	trace "... unloading $k";
3216	delete $INC{$k};	3942	delete $INC{$k};
3217		3943
3218	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3219	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3220		3946
3221	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3222	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3223	}	3952	}
3224		3953
3225	Symbol::delete_package $k;
3226	}
3227
3228	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3229	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3231		3957
3232	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3233	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3234	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3235		3961
3236	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3237	# and global variables created in xs	3963	# and global variables created in xs
3238	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3239		3965
3240	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3241		3967
3242	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3243	require cf;	3969	require cf;
3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3245		3971
3246	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3247	cf::reload_config;	3973	cf::reload_config;
3248		3974
3249	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3250	cf::load_extensions;	3976	cf::load_extensions;
3251		3977
		3978	if ($REATTACH_ON_RELOAD) {
3252	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3253	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3254	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3255	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3256	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3257	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3258		3986
3259	warn "leaving sync_job";	3987	cf::_post_init 1;
3260		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3261	1	3991	1
3262	} or do {	3992	} or do {
3263	warn $@;	3993	error $@;
3264	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3265	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3266	};	3998	}
3267		3999
3268	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3269	};	4002	};
3270		4003
3271	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3272		4005
3273	sub reload_perl() {	4006	sub reload_perl() {
3274	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3275	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3276		4009
3277	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3278	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3279	after => 0,	4012
3280	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3281	cb => sub {
3282	do_reload_perl;	4014	do_reload_perl;
3283	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3284	},	4016	};
3285	);	4017	};
3286	}	4018	}
3287		4019
3288	register_command "reload" => sub {	4020	register_command "reload" => sub {
3289	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3290		4022
3291	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3292	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3293	async { reload_perl };	4027	reload_perl;
		4028	};
3294	}	4029	}
3295	};	4030	};
3296		4031
3297	unshift @INC, $LIBDIR;	4032	#############################################################################
3298		4033
3299	my $bug_warning = 0;	4034	my $bug_warning = 0;
3300		4035
3301	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3302	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3303		4038
3304	sub wait_for_tick {	4039	sub wait_for_tick() {
3305	return unless $TICK_WATCHER->is_active;
3306	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3307		4041
3308	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3309	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3310	$signal->wait;	4044	$signal->wait;
3311	}	4045	}
3312		4046
3313	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3314	return unless $TICK_WATCHER->is_active;
3315	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3316		4049
3317	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3318	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3319	$signal->wait;	4052	$signal->wait;
3320	}	4053	}
3321		4054
3322	my $min = 1e6;#d#	4055	sub tick {
3323	my $avg = 10;
3324	$TICK_WATCHER = Event->timer (
3325	reentrant => 0,
3326	parked => 1,
3327	prio => 0,
3328	at => $NEXT_TICK || $TICK,
3329	data => WF_AUTOCANCEL,
3330	cb => sub {
3331	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3333	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3334	return;	4059	return;
3335	}	4060	}
3336		4061
3337	$NOW = $tick_start = Event::time;
3338
3339	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3340		4063
3341	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3342	for(1..10) {
3343	my $t = Event::time;
3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3345	or die;
3346		4065
3347	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3348	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3349	$map->alloc;	4068	Coro::async_pool {
3350	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3351	my $t = Event::time - $t;	4070	write_runtime_sync
3352		4071	or error "ERROR: unable to write runtime file: $!";
3353	#next unless $t < 0.0013;#d#
3354	if ($t < $min) {
3355	$min = $t;
3356	}
3357	$avg = $avg * 0.99 + $t * 0.01;
3358	}
3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3360	exit 0;
3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3362	};	4072	};
		4073	}
3363		4074
3364	$RUNTIME += $TICK;
3365	$NEXT_TICK += $TICK;
3366
3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
3369	Coro::async_pool {
3370	write_runtime
3371	or warn "ERROR: unable to write runtime file: $!";
3372	};
3373	}
3374
3375	# my $AFTER = Event::time;
3376	# warn $AFTER - $NOW;#d#
3377
3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3379	$sig->send;	4076	$sig->send;
3380	}	4077	}
3381	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3382	$sig->send;	4079	$sig->send;
3383	}	4080	}
3384		4081
3385	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3386
3387	# if we are delayed by four ticks or more, skip them all
3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3389
3390	$TICK_WATCHER->at ($NEXT_TICK);
3391	$TICK_WATCHER->start;
3392
3393	$LOAD = ($NOW - $tick_start) / $TICK;
3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3395		4084
3396	_post_tick;	4085	if (0) {
3397		4086	if ($NEXT_TICK) {
3398		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3399	},	4091	}
3400	);	4092	}
3401		4093
3402	{	4094	{
3403	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3404	$BDB_POLL_WATCHER = Event->io (	4096
3405	reentrant => 0,
3406	fd => BDB::poll_fileno,
3407	poll => 'r',
3408	prio => 0,
3409	data => WF_AUTOCANCEL,
3410	cb => \&BDB::poll_cb,
3411	);
3412	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3413		4098	BDB::max_poll_reqs $TICK * 0.1;
3414	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3415	my $status;
3416	my $current = $Coro::current;
3417	(
3418	sub {
3419	$status = $!;
3420	$current->ready; undef $current;
3421	},
3422	sub {
3423	Coro::schedule while defined $current;
3424	$! = $status;
3425	},
3426	)
3427	};
3428		4100
3429	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3430	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3431		4108
3432	cf::sync_job {	4109	cf::sync_job {
3433	eval {	4110	eval {
3434	BDB::db_env_open	4111	BDB::db_env_open
3435	$DB_ENV,	4112	$DB_ENV,
…		…
3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3439	0666;	4116	0666;
3440		4117
3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3442
3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3444	$DB_ENV->set_lk_detect;
3445	};	4119	};
3446		4120
3447	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3448	};	4122	};
3449	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3450	}	4134	}
3451		4135
3452	{	4136	{
		4137	# configure IO::AIO
		4138
3453	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3454
3455	undef $Coro::AIO::WATCHER;
3456	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3457	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3458	reentrant => 0,
3459	data => WF_AUTOCANCEL,
3460	fd => IO::AIO::poll_fileno,
3461	poll => 'r',
3462	prio => 6,
3463	cb => \&IO::AIO::poll_cb,
3464	);
3465	}	4142	}
3466		4143
3467	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3468		4146
3469	sub _log_backtrace {	4147	sub _log_backtrace {
3470	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3471		4149
3472	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3473		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3474	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3475	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3476	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3477	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3478	my @bt = fork_call {	4163	my @bt = fork_call {
3479	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3482	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3490	}	4175	}
3491		4176
3492	@funcs	4177	@funcs
3493	};	4178	};
3494		4179
3495	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3496	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3497	--$_log_backtrace;	4183	--$_log_backtrace;
3498	};	4184	};
3499	} else {	4185	} else {
3500	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3501	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3502	}	4188	}
3503	}	4189	}
3504		4190
3505	# load additional modules	4191	# load additional modules
3506	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3507		4194
3508	END { cf::emergency_save }	4195	END { cf::emergency_save }
3509		4196
3510	1	4197	1
3511		4198

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