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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.341 by elmex, Sat Aug 25 16:51:38 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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 1.4 ();	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;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	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	240	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.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	This array contains the results of the last C<invoke ()> call. When	250	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	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	252	that call.
178		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
221		319
222	#############################################################################	320	#############################################################################
223		321
224	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	345	$d
248	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
249	}	347	}
250		348
251	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
252		350
253	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
254		352
255	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
256		354
257	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
258		356
259	=cut	357	=cut
260		358
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		360
263	sub to_json ($) { $json_coder->encode ($_[0]) }	361	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
265		406
266	=item cf::lock_wait $string	407	=item cf::lock_wait $string
267		408
268	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
269		410
270	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
271		412
272	Wait until the given lock is available and then acquires it and returns	413	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,	414	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	415	for example when the coroutine gets canceled), the lock is automatically
275	returned.	416	returned.
276		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
277	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
279		423
280	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
281		425
282	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
283		427
284	=cut	428	=cut
285		429
286	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
287		431
288	sub lock_wait($) {	432	sub lock_wait($) {
289	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	434	}
297		435
298	sub lock_acquire($) {	436	sub lock_acquire($) {
299	my ($key) = @_;	437	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	438	}
311		439
312	sub lock_active($) {	440	sub lock_active($) {
313	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	442	}
317		443
318	sub freeze_mainloop {	444	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
320		446
321	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	448	}
323	};	449
324	$TICK_WATCHER->stop;	450	=item cf::periodic $interval, $cb
325	$guard	451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
326	}	463	}
327		464
328	=item cf::get_slot $time[, $priority[, $name]]	465	=item cf::get_slot $time[, $priority[, $name]]
329		466
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		475
339	=cut	476	=cut
340		477
341	our @SLOT_QUEUE;	478	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
343		481
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
346	my $signal = new Coro::Signal;	486	my $signal = new Coro::Signal;
		487	my $busy;
347		488
348	while () {	489	while () {
349	next_job:	490	next_job:
		491
350	my $avail = cf::till_tick;	492	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	493
352	for (0 .. $#SLOT_QUEUE) {	494	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	497	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	498	$job->[2]->send;
356	Coro::cede;	499	Coro::cede;
357	goto next_job;	500	goto next_job;
358	}	501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	503	}
360	}	504	}
361		505
362	if (@SLOT_QUEUE) {	506	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	508	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	509	$signal->wait;
366	} else {	510	} else {
		511	$busy = 0;
367	Coro::schedule;	512	Coro::schedule;
368	}	513	}
369	}	514	}
370	};	515	};
371		516
372	sub get_slot($;$$) {	517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
373	my ($time, $pri, $name) = @_;	520	my ($time, $pri, $name) = @_;
374		521
375	$time = $TICK * .6 if $time > $TICK * .6;	522	$time = clamp $time, 0.01, $TICK * .6;
		523
376	my $sig = new Coro::Signal;	524	my $sig = new Coro::Signal;
377		525
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	528	$SLOT_QUEUE->ready;
…		…
391		539
392	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
393		541
394	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
395		543
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	545	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	547	acceptable.
400		548
401	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	554	=cut
407		555
408	sub sync_job(&) {	556	sub sync_job(&) {
409	my ($job) = @_;	557	my ($job) = @_;
410		558
411	if ($Coro::current == $Coro::main) {	559	if (in_main) {
412	my $time = Event::time;	560	my $time = AE::time;
413		561
414	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
416		564
417	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	566
419	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
420		568
421	my $busy = 1;	569	my $busy = 1;
422	my @res;	570	my @res;
423		571
424	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	574	@res = eval { $job->() };
426	warn $@ if $@;	575	error $@ if $@;
427	undef $busy;	576	undef $busy;
428	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
429		578
430	while ($busy) {	579	while ($busy) {
431	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
432	}	584	}
		585	}
433		586
434	$time = Event::time - $time;	587	my $time = AE::time - $time;
435		588
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	589	$TICK_START += $time; # do not account sync jobs to server load
440		590
441	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
442	} else {	592	} else {
443	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
444		594
…		…
464	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
465		615
466	$coro	616	$coro
467	}	617	}
468		618
469	=item fork_call { }, $args	619	=item fork_call { }, @args
470		620
471	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
475		625
476	=cut	626	=cut
		627
		628	sub post_fork {
		629	reset_signals;
		630	}
477		631
478	sub fork_call(&@) {	632	sub fork_call(&@) {
479	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
480		634
481	# we seemingly have to make a local copy of the whole thing,	635	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	636	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	637	# TODO: investigate and fix (likely this will be rather laborious)
484		638
485	my @res = Coro::Util::fork_eval {	639	my @res = Coro::Util::fork_eval {
486	reset_signals;	640	cf::post_fork;
487	&$cb	641	&$cb
488	}, @args;	642	} @args;
489		643
490	wantarray ? @res : $res[-1]	644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
		648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
491	}	683	}
492		684
493	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
494		686
495	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
498		690
499	Stores the given C<$value> in the family. It can currently store binary	691	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
502	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
503		720
504	our $DB;	721	our $DB;
505		722
506	sub db_init {	723	sub db_init {
507	unless ($DB) {	724	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	725	}
522		726
523	sub db_get($$) {	727	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
525		729
526	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
527	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
528		734
529	$! ? ()	735	$! ? ()
530	: $data	736	: $data
531	}
532	}	737	}
533		738
534	sub db_put($$$) {	739	sub db_put($$$) {
535	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	780	if (1) {
576	$md5 =	781	$md5 =
577	join "\x00",	782	join "\x00",
578	$processversion,	783	$processversion,
579	map {	784	map {
580	Coro::cede;	785	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	787	} 0.. $#$src;
583		788
584		789
585	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		797
593	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	799	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
596		801
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		803
599	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
602		807
…		…
612		817
613	=cut	818	=cut
614		819
615	sub datalog($@) {	820	sub datalog($@) {
616	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	823	}
619		824
620	=back	825	=back
621		826
622	=cut	827	=cut
623		828
624	#############################################################################	829	#############################################################################
625		830
626	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
627		832
628	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
631		836
632	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	839	Deliantra).
635		840
636	=over 4	841	=over 4
637		842
638	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
639		844
…		…
683	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
684		889
685	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
687		892
688	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
690		895
691	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
692		897
693	=over 4	898	=over 4
…		…
817		1022
818	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1025
821	} elsif (ref $type) {	1026	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
823		1028
824	} else {	1029	} else {
825	shift @arg;	1030	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
827	}	1032	}
828	}	1033	}
829	}	1034	}
830		1035
831	sub _object_attach {	1036	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
842	}	1047	}
843		1048
844	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
845	} else {	1050	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1052	}
848		1053
849	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
850	}	1055	}
851		1056
…		…
910		1115
911	for (@$callbacks) {	1116	for (@$callbacks) {
912	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
913		1118
914	if ($@) {	1119	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1121	override;
918	}	1122	}
919		1123
920	return 1 if $override;	1124	return 1 if $override;
921	}	1125	}
922		1126
923	0	1127	0
924	}	1128	}
925		1129
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1131
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1133
930	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
931		1135
…		…
937		1141
938	=cut	1142	=cut
939		1143
940	#############################################################################	1144	#############################################################################
941	# object support	1145	# object support
942	#
943		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
944	sub _can_merge {	1180	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1181	my ($ob1, $ob2) = @_;
946		1182
947	local $Storable::canonical = 1;	1183	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1184
951	$fob1 eq $fob2	1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
952	}	1187	}
953		1188
954	sub reattach {	1189	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1191	my ($obj) = @_;
957		1192
		1193	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1195
960	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
961		1197
962	@$registry = ();	1198	@$registry = ();
963		1199
…		…
968	for (@$attach) {	1204	for (@$attach) {
969	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
971	}	1207	}
972	} else {	1208	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1210	}
975	}	1211	}
976	}	1212	}
977		1213
978	cf::attachable->attach (	1214	cf::attachable->attach (
979	prio => -1000000,	1215	prio => -1000000,
980	on_instantiate => sub {	1216	on_instantiate => sub {
981	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
982		1218
983	$data = from_json $data;	1219	$data = decode_json $data;
984		1220
985	for (@$data) {	1221	for (@$data) {
986	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
987		1223
988	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1240	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
1006		1242
1007	sync_job {	1243	sync_job {
1008	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
1011		1249
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
1016	close $fh;	1257	aio_close $fh;
1017		1258
1018	if (@$objs) {	1259	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
1024	close $fh;	1268	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1270	}
1027	} else {	1271	} else {
1028	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
1029	}	1273	}
1030		1274
1031	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1279	} else {
1033	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
1034	}	1281	}
1035	} else {	1282	} else {
1036	aio_unlink $filename;	1283	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
1038	}	1285	}
1039	}	1286	};
1040	}	1287	}
1041		1288
1042	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
1044		1291
…		…
1056	or return;	1303	or return;
1057		1304
1058	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1307	or return;
		1308
1061	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1062	}	1311	}
1063		1312
		1313	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1066	return ($data, $av);	1318	($data, $av)
1067	}	1319	}
1068		1320
1069	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1070		1322
1071	=over 4	1323	=over 4
…		…
1125	my ($name, $cb) = @_;	1377	my ($name, $cb) = @_;
1126		1378
1127	$EXTICMD{$name} = $cb;	1379	$EXTICMD{$name} = $cb;
1128	}	1380	}
1129		1381
		1382	use File::Glob ();
		1383
1130	cf::player->attach (	1384	cf::player->attach (
1131	on_command => sub {	1385	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1133		1387
1134	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1135	or return;	1389	or return;
1136		1390
…		…
1159		1413
1160	$pl->ext_reply ($reply, @reply)	1414	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1415	if $reply;
1162		1416
1163	} else {	1417	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1419	}
1166		1420
1167	cf::override;	1421	cf::override;
1168	},	1422	},
1169	);	1423	);
1170		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1171	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1172	cf::sync_job {	1441	cf::sync_job {
1173	my %todo;	1442	my %todo;
1174		1443
1175	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1445	next unless -r $path;
…		…
1194		1463
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1466
1198	$ext{source} =	1467	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1201	. $source	1470	. $source
1202	. "\n};\n1";	1471	. "\n};\n1";
1203		1472
1204	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1205	}	1474	}
1206		1475
		1476	my $pass = 0;
1207	my %done;	1477	my %done;
1208	while (%todo) {	1478	while (%todo) {
1209	my $progress;	1479	my $progress;
1210		1480
		1481	++$pass;
		1482
		1483	ext:
1211	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1486	next ext
1214	unless exists $done{$_};	1487	unless exists $done{$_};
1215	}	1488	}
1216		1489
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1491
1219	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1224	warn $msg;	1499
1225	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1501	delete $todo{$k};
1227	}	1502	} else {
1228		1503	$done{$k} = delete $todo{$k};
1229	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1230	}	1509	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1510	}
1236		1511
1237	skip:	1512	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1240	}	1520	}
1241	};	1521	};
1242	}	1522	}
1243		1523
1244	#############################################################################	1524	#############################################################################
1245		1525
1246	=back	1526	=back
1247		1527
1248	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1249		1529
1250	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1251		1531
1252	=cut	1532	=cut
1253		1533
1254	package cf::player;	1534	package cf::player;
1255		1535
1256	use Coro::AIO;	1536	use Coro::AIO;
1257		1537
1258	=head3 cf::player	1538	=head3 cf::player
1259		1539
1260	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1261		1555
1262	=item cf::player::find $login	1556	=item cf::player::find $login
1263		1557
1264	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1265		1559
…		…
1284		1578
1285	sub exists($) {	1579	sub exists($) {
1286	my ($login) = @_;	1580	my ($login) = @_;
1287		1581
1288	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1290	}	1584	}
1291		1585
1292	sub find($) {	1586	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1588	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1599
1306	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1309	}	1609	}
1310	}	1610	}
1311	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1312		1625
1313	sub save($) {	1626	sub save($) {
1314	my ($pl) = @_;	1627	my ($pl) = @_;
1315		1628
1316	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1322		1635
1323	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1325		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1326	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1327	Coro::cede;	1645	cf::cede_to_tick;
1328	}	1646	}
1329		1647
1330	sub new($) {	1648	sub new($) {
1331	my ($login) = @_;	1649	my ($login) = @_;
1332		1650
…		…
1361	my ($pl) = @_;	1679	my ($pl) = @_;
1362		1680
1363	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1364		1682
1365	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1685
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1371	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1372		1694
1373	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1410	or return [];	1732	or return [];
1411		1733
1412	my @logins;	1734	my @logins;
1413		1735
1414	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1418		1746
1419	utf8::decode $login;	1747	utf8::decode $login;
1420	push @logins, $login;	1748	push @logins, $login;
1421	}	1749	}
1422		1750
1423	\@logins	1751	\@logins
1424	}	1752	}
1425		1753
1426	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1427		1757
1428	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1429	player. May block.	1759	player. May block.
1430		1760
1431	=cut	1761	=cut
…		…
1449	}	1779	}
1450		1780
1451	\@paths	1781	\@paths
1452	}	1782	}
1453		1783
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1785
1456	Expand crossfire pod fragments into protocol xml.	1786	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1787
1504	=item $player->ext_reply ($msgid, @msg)	1788	=item $player->ext_reply ($msgid, @msg)
1505		1789
1506	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1507		1791
…		…
1539		1823
1540	=cut	1824	=cut
1541		1825
1542	sub find_by_path($) {	1826	sub find_by_path($) {
1543	my ($path) = @_;	1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
1544		1830
1545	my ($match, $specificity);	1831	my ($match, $specificity);
1546		1832
1547	for my $region (list) {	1833	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1834	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1576		1862
1577	sub generate_random_map {	1863	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1580	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	1869	}
1594		1870
1595	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1596		1872
1597	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1602		1878
1603	sub register {	1879	sub register {
1604	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1881	my $pkg = caller;
1606		1882
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1884
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1886	}
1612		1887
1613	# also paths starting with '/'	1888	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1890
1616	sub thawer_merge {	1891	sub thawer_merge {
1617	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1618		1893
1619	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1624	}	1899	}
1625		1900
1626	sub normalise {	1901	sub normalise {
1627	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1628		1903
1629	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1630		1905
1631	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1632		1907
1633	# map plan:	1908	# map plan:
1634	#	1909	#
…		…
1649	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	1925	$path = "$base/$path";
1651	}	1926	}
1652		1927
1653	for ($path) {	1928	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1657	}	1931	}
1658		1932
1659	$path	1933	$path
…		…
1673	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1674	return $self;	1948	return $self;
1675	}	1949	}
1676	}	1950	}
1677		1951
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	1953	()
1680	}	1954	}
1681		1955
1682	sub init {	1956	sub init {
1683	my ($self) = @_;	1957	my ($self) = @_;
…		…
1705		1979
1706	# the temporary/swap location	1980	# the temporary/swap location
1707	sub save_path {	1981	sub save_path {
1708	my ($self) = @_;	1982	my ($self) = @_;
1709		1983
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1712	}	1986	}
1713		1987
1714	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1715	sub uniq_path {	1989	sub uniq_path {
1716	my ($self) = @_;	1990	my ($self) = @_;
1717		1991
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	1994	}
1730		1995
1731	sub decay_objects {	1996	sub decay_objects {
1732	my ($self) = @_;	1997	my ($self) = @_;
1733		1998
…		…
1746		2011
1747	sub load_header_from($) {	2012	sub load_header_from($) {
1748	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1749		2014
1750	utf8::encode $path;	2015	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1756		2024
1757	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1758		2026
1759	1	2027	1
1760	}	2028	}
…		…
1812		2080
1813	sub find;	2081	sub find;
1814	sub find {	2082	sub find {
1815	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1816		2084
		2085	cf::cede_to_tick;
		2086
1817	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1818		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2091
1821	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1824	or return;	2094	or return;
1825		2095
1826	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1827		2097
…		…
1829	or return;	2099	or return;
1830		2100
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1834	$map->reset;	2106	$map->reset;
1835	undef $guard;
1836	return find $path;	2107	return find $path;
1837	}	2108	}
1838		2109
1839	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1840	}	2111	}
1841	}	2112	}
1842		2113
1843	sub pre_load { }	2114	sub pre_load { }
1844	sub post_load { }	2115	#sub post_load { } # XS
1845		2116
1846	sub load {	2117	sub load {
1847	my ($self) = @_;	2118	my ($self) = @_;
1848		2119
1849	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1850		2121
1851	my $path = $self->{path};	2122	my $path = $self->{path};
1852		2123
1853	{	2124	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1855		2126
		2127	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2129
1858	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1859		2131
1860	$self->alloc;	2132	$self->alloc;
1861		2133
1862	$self->pre_load;	2134	$self->pre_load;
1863	Coro::cede;	2135	cf::cede_to_tick;
1864		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1866	or return;	2140	or return;
1867		2141
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1869	if delete $self->{load_original};	2143	if delete $self->{load_original};
1870		2144
1871	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2146	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2149	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1876	}	2153	}
1877	}	2154	}
1878		2155
1879	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1880	# now do the right thing for maps	2159	# now do the right thing for maps
1881	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2162	unless $self->difficulty;
1884	Coro::cede;	2163	cf::cede_to_tick;
1885		2164
1886	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2166	$self->decay_objects;
1888	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1889	$self->update_buttons;	2168	$self->update_buttons;
1890	Coro::cede;	2169	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2170	$self->activate;
1894	}	2171	}
1895		2172
1896	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2174	$self->last_access ($cf::RUNTIME);
1898		2175
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2177	}
1901		2178
1902	$self->post_load;	2179	$self->post_load;
1903	}
1904		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2187	sub customise_for {
1906	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1907		2189
1908	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2191	if $self->per_player;
…		…
1925	or next;	2207	or next;
1926	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1927	or next;	2209	or next;
1928	$neigh->load;	2210	$neigh->load;
1929		2211
		2212	# now find the diagonal neighbours
1930	push @neigh,	2213	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2216	}
1934		2217
…		…
1941	}	2224	}
1942		2225
1943	sub find_sync {	2226	sub find_sync {
1944	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1945		2228
1946	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1947	}	2233	}
1948		2234
1949	sub do_load_sync {	2235	sub do_load_sync {
1950	my ($map) = @_;	2236	my ($map) = @_;
1951		2237
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current != $Coro::main;	2239	if $Coro::current == $Coro::main;
1954		2240
1955	cf::sync_job { $map->load };	2241	$map->load;
1956	}	2242	}
1957		2243
1958	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1960		2246
…		…
1962	my ($path, $origin, $load) = @_;	2248	my ($path, $origin, $load) = @_;
1963		2249
1964	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1965		2251
1966	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2254	}
1969		2255
1970	$MAP_PREFETCH{$path} |= $load;	2256	$MAP_PREFETCH{$path} |= $load;
1971		2257
1972	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1973	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2263	if (my $map = find $k) {
1976	$map->load if $v;	2264	$map->load if $v;
1977	}	2265	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1985		2273
1986	()	2274	()
1987	}	2275	}
1988		2276
		2277	# common code, used by both ->save and ->swapout
1989	sub save {	2278	sub _save {
1990	my ($self) = @_;	2279	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2280
1994	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1995		2282
1996	return unless $self->dirty;	2283	return unless $self->dirty;
1997		2284
…		…
2003	return if $self->{deny_save};	2290	return if $self->{deny_save};
2004		2291
2005	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
2006		2293
2007	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
2009	};	2297	};
		2298
		2299	cf::get_slot 0.02;
2010		2300
2011	if ($uniq) {	2301	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2304	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2306	}
2017	}	2307	}
2018		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
2019	sub swap_out {	2317	sub swap_out {
2020	my ($self) = @_;	2318	my ($self) = @_;
2021		2319
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
2027	return if $self->players;	2324	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
2031	$self->clear;	2335	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2336	}
2034		2337
2035	sub reset_at {	2338	sub reset_at {
2036	my ($self) = @_;	2339	my ($self) = @_;
2037		2340
…		…
2055		2358
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2360
2058	return if $self->players;	2361	return if $self->players;
2059		2362
2060	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
2061		2364
2062	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
2063		2366
2064	# need to save uniques path	2367	# need to save uniques path
2065	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2372	if $uniq;
2070	}	2373	}
2071		2374
2072	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
2073		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2379	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2380
2078	$self->unlink_save;	2381	$self->unlink_save;
2079	$self->destroy;	2382	$self->destroy;
2080	}	2383	}
2081		2384
2082	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
2083		2386
2084	sub nuke {	2387	sub nuke {
2085	my ($self) = @_;	2388	my ($self) = @_;
2086		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
2087	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
2088		2394
2089	$self->unlink_save;	2395	$self->unlink_save;
2090		2396
2091	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2402
2097	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
2098		2405
2099	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
2100	}	2407	}
2101		2408
2102	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
2144		2451
2145	sub unique_maps() {	2452	sub unique_maps() {
2146	[	2453	[
2147	map {	2454	map {
2148	utf8::decode $_;	2455	utf8::decode $_;
2149	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
2150	? normalise $_	2459	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2461	]
2154	}	2462	}
2155		2463
2156	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
2157		2495
2158	=back	2496	=back
2159		2497
2160	=head3 cf::object	2498	=head3 cf::object
2161		2499
…		…
2165		2503
2166	=over 4	2504	=over 4
2167		2505
2168	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2169		2507
2170	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2171		2510
2172	=cut	2511	=cut
2173		2512
2174	sub inv_recursive_;	2513	sub inv_recursive_;
2175	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2178		2517
2179	sub inv_recursive {	2518	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2181	}	2520	}
2182		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2183	package cf;	2550	package cf;
2184		2551
2185	=back	2552	=back
2186		2553
2187	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2196		2563
2197	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2198		2579
2199	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2581	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2597
2217	} else {	2598	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2601	}
2221	}	2602	}
2222	}	2603	}
2223		2604
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2630
2250	=item $player_object->enter_link	2631	=item $player_object->enter_link
2251		2632
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2634
2254	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2256		2639
2257	Will never block.	2640	Will never block.
2258		2641
2259	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2260		2643
…		…
2280	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2664	my ($self) = @_;
2282		2665
2283	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2284		2667
		2668	++$self->{_link_recursion};
		2669
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2671
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2289		2674
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2676	}
2292		2677
2293	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2295		2680
…		…
2312	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2314		2699
2315	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2318		2703
2319	$map->load;	2704	$map->load;
2320	$map->load_neighbours;	2705	$map->load_neighbours;
2321		2706
2322	return unless $self->contr->active;	2707	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2708
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2327	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2328		2716
		2717	}
		2718
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2720
2331	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2724	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2725	be called at the end of this process.
2336		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
2337	=cut	2730	=cut
2338		2731
2339	our $GOTOGEN;	2732	our $GOTOGEN;
2340		2733
2341	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
2344	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2745
2347	$self->enter_link;	2746	$self->enter_link;
2348		2747
2349	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2350	my $map = eval {	2770	my $map = eval {
2351	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2352		2772
2353	if ($map) {	2773	if ($map) {
2354	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2776	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2778	}
2359		2779
2360	$map	2780	$map
2361	};	2781	};
2362		2782
…		…
2368	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2371	}	2791	}
2372		2792
2373	$done->() if $done;	2793	$done->($self) if $done;
2374	})->prio (1);	2794	})->prio (1);
2375	}	2795	}
2376		2796
2377	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2378		2798
…		…
2398	}	2818	}
2399		2819
2400	sub prepare_random_map {	2820	sub prepare_random_map {
2401	my ($exit) = @_;	2821	my ($exit) = @_;
2402		2822
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2825	# that depends on the exit object
2408		2826
2409	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2829	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2416	}	2836	}
2417		2837
2418	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2419		2839
2420	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2423		2843
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2846	undef $fh;
2427	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2428		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2431	}	2855	}
2432	}	2856	}
2433		2857
2434	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2436		2860
2437	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2438		2862
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2863	$self->enter_link;
2451		2864
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2865	(async {
2457	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2458	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2459	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2460		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2461	1;	2889	1
2462	}) {	2890	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2895
2468	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2897	$self->leave_link;
2470	}	2898	}
2471	})->prio (1);	2899	})->prio (1);
2472	}	2900	}
2473		2901
…		…
2485	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
2487		2915
2488	utf8::encode $text;	2916	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2918	}
		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
2490	}	2943	}
2491		2944
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2946
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2947	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2949	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2950	the message unless the client supports the msg packet.
2498		2951
2499	=cut	2952	=cut
2500		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
2501	sub cf::client::send_msg {	3068	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3069	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3070
2504	$msg = $self->pl->expand_cfpod ($msg);	3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
2505		3073
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
2508	if (ref $channel) {	3083	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3084	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3085	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3086	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3087	$self->ext_msg (channel_info => $channel);
2513	}	3088	}
…		…
2515	$channel = $channel->{id};	3090	$channel = $channel->{id};
2516	}	3091	}
2517		3092
2518	return unless @extra || length $msg;	3093	return unless @extra || length $msg;
2519		3094
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3095	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3097	if $color & cf::NDI_DEF;
2524		3098
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3102	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3103
2539	$color &= cf::NDI_COLOR_MASK;	3104	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3105	}
2553		3106
2554	=item $client->ext_msg ($type, @msg)	3107	=item $client->ext_msg ($type, @msg)
2555		3108
2556	Sends an ext event to the client.	3109	Sends an ext event to the client.
…		…
2558	=cut	3111	=cut
2559		3112
2560	sub cf::client::ext_msg($$@) {	3113	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3114	my ($self, $type, @msg) = @_;
2562		3115
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3116	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3118	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3119	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3121	}
2571	}	3122	}
2572		3123
2573	=item $client->ext_reply ($msgid, @msg)	3124	=item $client->ext_reply ($msgid, @msg)
2574		3125
…		…
2578		3129
2579	sub cf::client::ext_reply($$@) {	3130	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3131	my ($self, $id, @msg) = @_;
2581		3132
2582	if ($self->extcmd == 2) {	3133	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3135	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3136	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3137	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3139	}
2589	}	3140	}
2590		3141
2591	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2592		3143
…		…
2663		3214
2664	$ns->ext_reply ($reply, @reply)	3215	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3216	if $reply;
2666		3217
2667	} else {	3218	} else {
2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2669	}	3220	}
2670		3221
2671	cf::override;	3222	cf::override;
2672	},	3223	},
2673	);	3224	);
…		…
2693		3244
2694	$coro	3245	$coro
2695	}	3246	}
2696		3247
2697	cf::client->attach (	3248	cf::client->attach (
2698	on_destroy => sub {	3249	on_client_destroy => sub {
2699	my ($ns) = @_;	3250	my ($ns) = @_;
2700		3251
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3253	},
2703	);	3254	);
…		…
2719	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2720		3271
2721	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2722		3273
2723	$safe->permit_only (Opcode::opset qw(	3274	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3275	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3276	grepstart grepwhile mapstart mapwhile
2726	sort time	3277	sort time
2727	));	3278	));
2728		3279
2729	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
…		…
2731	=pod	3282	=pod
2732		3283
2733	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2734		3285
2735	cf::object	3286	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3287	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race decrease_ob_nr	3288	insert remove name archname title slaying race decrease split
		3289	value
2738		3290
2739	cf::object::player	3291	cf::object::player
2740	player	3292	player
2741		3293
2742	cf::player	3294	cf::player
…		…
2747		3299
2748	=cut	3300	=cut
2749		3301
2750	for (	3302	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race	3304	insert remove inv nrof name archname title slaying race
2753	decrease_ob_nr)],	3305	decrease split destroy change_exp value msg lore send_msg)],
2754	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2755	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2756	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2757	) {	3309	) {
2758	no strict 'refs';
2759	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2760	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2761	for @funs;	3312	for @funs;
2762	}	3313	}
2763		3314
…		…
2778		3329
2779	my $qcode = $code;	3330	my $qcode = $code;
2780	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2781	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2782		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2783	local $_;	3337	local $_;
2784	local @safe::cf::_safe_eval_args = values %vars;
2785		3338
2786	my $eval =	3339	my $eval =
2787	"do {\n"	3340	"do {\n"
2788	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2789	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2790	. $code	3343	. $code
2791	. "\n}"	3344	. "\n}"
2792	;	3345	;
2793		3346
		3347	if ($CFG{safe_eval}) {
2794	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2795	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2796	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2797		3356
2798	if ($@) {	3357	if ($@) {
2799	warn "$@";	3358	warn "$@",
2800	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2801	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2802	}	3361	}
2803		3362
2804	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2805	}	3364	}
2806		3365
…		…
2820	=cut	3379	=cut
2821		3380
2822	sub register_script_function {	3381	sub register_script_function {
2823	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2824		3383
2825	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2826	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2827	}	3386	}
2828		3387
2829	=back	3388	=back
2830		3389
2831	=cut	3390	=cut
…		…
2834	# the server's init and main functions	3393	# the server's init and main functions
2835		3394
2836	sub load_facedata($) {	3395	sub load_facedata($) {
2837	my ($path) = @_;	3396	my ($path) = @_;
2838		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
2839	my $enc = JSON::XS->new->utf8->canonical;	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840		3403
2841	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2842		3405
2843	my $facedata;
2844	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2845	or die "$path: $!";	3407	or die "$path: $!";
2846		3408
2847	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2848		3410
2849	$facedata->{version} == 2	3411	$facedata->{version} == 2
2850	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2851		3413
2852	# patch in the exptable	3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2853	$facedata->{resource}{"res/exp_table"} = {	3416	$facedata->{resource}{"res/exp_table"} = {
2854	type => FT_RSRC,	3417	type => FT_RSRC,
2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
2856	};	3420	};
2857	cf::cede_to_tick;	3421	cf::cede_to_tick;
2858		3422
2859	{	3423	{
2860	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2861		3425
2862	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2864	cf::face::set_visibility $idx, $info->{visibility};	3429	cf::face::set_visibility $idx, $info->{visibility};
2865	cf::face::set_magicmap $idx, $info->{magicmap};	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2868		3434
2869	cf::cede_to_tick;	3435	cf::cede_to_tick;
2870	}	3436	}
2871		3437
2872	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2873	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2874	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2875	or next;	3442	or next;
		3443
2876	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2877	cf::face::set_smooth $idx, $smooth;	3445	cf::face::set_smooth $idx, $smooth;
2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879	} else {	3447	} else {
2880	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2881	}	3449	}
2882		3450
2883	cf::cede_to_tick;	3451	cf::cede_to_tick;
2884	}	3452	}
2885	}	3453	}
…		…
2894		3462
2895	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2896	}	3464	}
2897		3465
2898	{	3466	{
2899	# TODO: for gcfclient pleasure, we should give resources
2900	# that gcfclient doesn't grok a >10000 face index.
2901	my $res = $facedata->{resource};	3467	my $res = $facedata->{resource};
2902		3468
2903	my $soundconf = delete $res->{"res/sound.conf"};
2904
2905	while (my ($name, $info) = each %$res) {	3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907	my $data;
2908		3472
2909	if ($info->{type} & 1) {	3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2910	# prepend meta info	3474	cf::face::set_type $idx, $info->{type};
2911
2912	my $meta = $enc->encode ({
2913	name => $name,
2914	%{ $info->{meta} || {} },
2915	});
2916
2917	$data = pack "(w/a*)*", $meta, $info->{data};
2918	} else {	3475	} else {
2919	$data = $info->{data};	3476	$RESOURCE{$name} = $info; # unused
2920	}	3477	}
2921		3478
2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923	cf::face::set_type $idx, $info->{type};
2924
2925	cf::cede_to_tick;	3479	cf::cede_to_tick;
2926	}	3480	}
2927
2928	if ($soundconf) {
2929	$soundconf = $enc->decode (delete $soundconf->{data});
2930
2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932	my $sound = $soundconf->{compat}[$_]
2933	or next;
2934
2935	my $face = cf::face::find "sound/$sound->[1]";
2936	cf::sound::set $sound->[0] => $face;
2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938	}
2939
2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
2941	my $face = cf::face::find "sound/$v";
2942	cf::sound::set $k => $face;
2943	}
2944	}
2945	}	3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946		3484
2947	1	3485	1
2948	}	3486	}
2949		3487
2950	register_exticmd fx_want => sub {	3488	register_exticmd fx_want => sub {
…		…
2953	while (my ($k, $v) = each %$want) {	3491	while (my ($k, $v) = each %$want) {
2954	$ns->fx_want ($k, $v);	3492	$ns->fx_want ($k, $v);
2955	}	3493	}
2956	};	3494	};
2957		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2958	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2959	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2960	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
2961		3513
2962	for (cf::region::list) {	3514	for (cf::region::list) {
2963	$_->{match} = qr/$_->{match}/	3515	$_->{match} = qr/$_->{match}/
…		…
2971	}	3523	}
2972		3524
2973	sub reload_archetypes {	3525	sub reload_archetypes {
2974	load_resource_file "$DATADIR/archetypes"	3526	load_resource_file "$DATADIR/archetypes"
2975	or die "unable to load archetypes\n";	3527	or die "unable to load archetypes\n";
2976	#d# NEED to laod twice to resolve forward references
2977	# this really needs to be done in an extra post-pass
2978	# (which needs to be synchronous, so solve it differently)
2979	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";
2981	}	3528	}
2982		3529
2983	sub reload_treasures {	3530	sub reload_treasures {
2984	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2985	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2986	}	3533	}
2987		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2988	sub reload_resources {	3558	sub reload_resources {
2989	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2990		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2991	reload_regions;	3566	reload_regions;
2992	reload_facedata;
2993	#reload_archetypes;#d#
2994	reload_archetypes;
2995	reload_treasures;	3567	reload_treasures;
2996		3568
2997	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2998	}	3570	}
2999		3571
3000	sub init {	3572	sub reload_config {
3001	reload_resources;	3573	trace "reloading config file...\n";
3002	}
3003		3574
3004	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
3005	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
3006	or return;
3007		3577
3008	local $/;	3578	utf8::decode $config;
3009	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
3010		3580
3011	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3012		3582
3013	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3014	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3015		3585
3016	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
3020	};	3590	};
3021	warn $@ if $@;	3591	warn $@ if $@;
3022	}	3592	}
3023	}	3593	}
3024		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
3025	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
3026	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
3027	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029	(async {	3636	(async {
3030	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
3031	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
3032	};	3640	};
3033		3641
3034	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
3035	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
3036	load_extensions;	3665	load_extensions;
3037		3666
3038	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
3039	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
3040	}	3685	}
3041		3686
3042	#############################################################################	3687	#############################################################################
3043	# initialisation and cleanup	3688	# initialisation and cleanup
3044		3689
3045	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
3046	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
3047	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
3048	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	signal => $signal,
3052	prio => 0,
3053	cb => sub {
3054	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
3055	},
3056	);	3696	};
3057	}	3697	}
3058	}	3698	}
3059		3699
3060	sub write_runtime {	3700	sub write_runtime_sync {
3061	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
3062		3702
3063	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
3064	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
3065		3705
3066	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3067		3707
3068	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
3069		3709
3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3071	or return;	3711	or return;
3072		3712
3073	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
3074	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
3075	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
3085	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
3086		3726
3087	close $fh	3727	close $fh
3088	or return;	3728	or return;
3089		3729
3090	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3091	and return;	3731	and return;
3092		3732
3093	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3094		3734
3095	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
3096	}	3786	}
3097		3787
3098	sub emergency_save() {	3788	sub emergency_save() {
3099	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
3100		3790
3101	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
3102		3797
3103	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
3104	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
3105	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
3106	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
3107	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
3108	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
3109	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
3110	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111	$pl->save;	3809	$pl->save;
3112	}	3810	}
3113	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
3114		3812
3115	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
3116	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
3117	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
3118	$map->valid or next;	3818	$map->valid or next;
3119	$map->save;	3819	$map->save;
3120	}	3820	}
3121	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
3122		3822
3123	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
3124	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
3125	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
3126	};	3851	};
3127		3852
3128	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
3129	}	3854	}
3130		3855
3131	sub post_cleanup {	3856	sub post_cleanup {
3132	my ($make_core) = @_;	3857	my ($make_core) = @_;
3133		3858
		3859	IO::AIO::flush;
		3860
3134	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
3135	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
3136	}	3891	}
3137		3892
3138	sub do_reload_perl() {	3893	sub do_reload_perl() {
3139	# can/must only be called in main	3894	# can/must only be called in main
3140	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
3141	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
3142	return;	3897	return;
3143	}	3898	}
3144		3899
3145	warn "reloading...";	3900	return if $RELOAD++;
3146		3901
3147	warn "entering sync_job";	3902	my $t1 = AE::time;
3148		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
3149	cf::sync_job {	3910	cf::sync_job {
3150	cf::write_runtime; # external watchdog should not bark
3151	cf::emergency_save;	3911	#cf::emergency_save;
3152	cf::write_runtime; # external watchdog should not bark
3153		3912
3154	warn "syncing database to disk";
3155	BDB::db_env_txn_checkpoint $DB_ENV;
3156
3157	# if anything goes wrong in here, we should simply crash as we already saved
3158
3159	warn "cancelling all WF_AUTOCANCEL watchers";
3160	for (Event::all_watchers) {
3161	$_->cancel if $_->data & WF_AUTOCANCEL;
3162	}
3163
3164	warn "flushing outstanding aio requests";
3165	for (;;) {
3166	BDB::flush;
3167	IO::AIO::flush;
3168	Coro::cede;
3169	last unless IO::AIO::nreqs || BDB::nreqs;
3170	warn "iterate...";
3171	}
3172
3173	++$RELOAD;
3174
3175	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
3176	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
3177	%EXT_CORO = ();	3915	%EXT_CORO = ();
3178		3916
3179	warn "removing commands";	3917	trace "perl_reload: removing commands";
3180	%COMMAND = ();	3918	%COMMAND = ();
3181		3919
3182	warn "removing ext/exti commands";	3920	trace "perl_reload: removing ext/exti commands";
3183	%EXTCMD = ();	3921	%EXTCMD = ();
3184	%EXTICMD = ();	3922	%EXTICMD = ();
3185		3923
3186	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
3187	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
3188	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
3189		3927
3190	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
3191	eval {	3929	eval {
3192	$cb->($pkg);	3930	$cb->($pkg);
3193	1	3931	1
3194	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
3195	}	3937	}
3196		3938
3197	warn "... nuking $pkg";
3198	Symbol::delete_package $pkg;
3199	}
3200
3201	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3202	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3204		3942
3205	warn "... unloading $k";	3943	trace "... unloading $k";
3206	delete $INC{$k};	3944	delete $INC{$k};
3207		3945
3208	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
3209	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
3210		3948
3211	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
3212	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
3213	}	3954	}
3214		3955
3215	Symbol::delete_package $k;
3216	}
3217
3218	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
3219	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3221		3959
3222	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
3223	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
3224	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3225		3963
3226	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
3227	# and global variables created in xs	3965	# and global variables created in xs
3228	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
3229		3967
3230	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
3231		3969
3232	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
3233	require cf;	3971	require cf;
3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
3235		3973
3236	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
3237	cf::cfg_load;	3975	cf::reload_config;
3238		3976
3239	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
3240	cf::load_extensions;	3978	cf::load_extensions;
3241		3979
		3980	if ($REATTACH_ON_RELOAD) {
3242	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
3243	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
3244	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
3245	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
3246	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
3247	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
3248		3988
3249	warn "leaving sync_job";	3989	cf::_post_init 1;
3250		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
3251	1	3993	1
3252	} or do {	3994	} or do {
3253	warn $@;	3995	error $@;
3254	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
3255	exit 1;	3997	};
		3998
		3999	--$RELOAD;
3256	};	4000	}
3257		4001
3258	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
3259	};	4004	};
3260		4005
3261	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
3262		4007
3263	sub reload_perl() {	4008	sub reload_perl() {
3264	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
3265	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
3266		4011
3267	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
3268	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
3269	after => 0,	4014
3270	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3271	cb => sub {
3272	do_reload_perl;	4016	do_reload_perl;
3273	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
3274	},	4018	};
3275	);	4019	};
3276	}	4020	}
3277		4021
3278	register_command "reload" => sub {	4022	register_command "reload" => sub {
3279	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
3280		4024
3281	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
3282	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
3283	async { reload_perl };	4029	reload_perl;
		4030	};
3284	}	4031	}
3285	};	4032	};
3286		4033
3287	unshift @INC, $LIBDIR;	4034	#############################################################################
3288		4035
3289	my $bug_warning = 0;	4036	my $bug_warning = 0;
3290		4037
3291	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
3292	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
3293		4040
3294	sub wait_for_tick {	4041	sub wait_for_tick() {
3295	return unless $TICK_WATCHER->is_active;
3296	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3297		4043
3298	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
3299	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
3300	$signal->wait;	4046	$signal->wait;
3301	}	4047	}
3302		4048
3303	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
3304	return unless $TICK_WATCHER->is_active;
3305	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3306		4051
3307	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3308	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
3309	$signal->wait;	4054	$signal->wait;
3310	}	4055	}
3311		4056
3312	my $min = 1e6;#d#	4057	sub tick {
3313	my $avg = 10;
3314	$TICK_WATCHER = Event->timer (
3315	reentrant => 0,
3316	parked => 1,
3317	prio => 0,
3318	at => $NEXT_TICK || $TICK,
3319	data => WF_AUTOCANCEL,
3320	cb => sub {
3321	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
3324	return;	4061	return;
3325	}	4062	}
3326		4063
3327	$NOW = $tick_start = Event::time;
3328
3329	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
3330		4065
3331	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3332	for(1..10) {
3333	my $t = Event::time;
3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3335	or die;
3336		4067
3337	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3338	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3339	$map->alloc;	4070	Coro::async_pool {
3340	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
3341	my $t = Event::time - $t;	4072	write_runtime_sync
3342		4073	or error "ERROR: unable to write runtime file: $!";
3343	#next unless $t < 0.0013;#d#
3344	if ($t < $min) {
3345	$min = $t;
3346	}
3347	$avg = $avg * 0.99 + $t * 0.01;
3348	}
3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350	exit 0;
3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352	};	4074	};
		4075	}
3353		4076
3354	$RUNTIME += $TICK;
3355	$NEXT_TICK += $TICK;
3356
3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
3359	Coro::async_pool {
3360	write_runtime
3361	or warn "ERROR: unable to write runtime file: $!";
3362	};
3363	}
3364
3365	# my $AFTER = Event::time;
3366	# warn $AFTER - $NOW;#d#
3367
3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369	$sig->send;	4078	$sig->send;
3370	}	4079	}
3371	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
3372	$sig->send;	4081	$sig->send;
3373	}	4082	}
3374		4083
3375	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377	# if we are delayed by four ticks or more, skip them all
3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380	$TICK_WATCHER->at ($NEXT_TICK);
3381	$TICK_WATCHER->start;
3382
3383	$LOAD = ($NOW - $tick_start) / $TICK;
3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385		4086
3386	_post_tick;	4087	if (0) {
3387		4088	if ($NEXT_TICK) {
3388		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3389	},	4093	}
3390	);	4094	}
3391		4095
3392	{	4096	{
3393	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3394	$BDB_POLL_WATCHER = Event->io (	4098
3395	reentrant => 0,
3396	fd => BDB::poll_fileno,
3397	poll => 'r',
3398	prio => 0,
3399	data => WF_AUTOCANCEL,
3400	cb => \&BDB::poll_cb,
3401	);
3402	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3403		4100	BDB::max_poll_reqs $TICK * 0.1;
3404	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3405	my $status;
3406	my $current = $Coro::current;
3407	(
3408	sub {
3409	$status = $!;
3410	$current->ready; undef $current;
3411	},
3412	sub {
3413	Coro::schedule while defined $current;
3414	$! = $status;
3415	},
3416	)
3417	};
3418		4102
3419	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3420	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3421		4110
3422	cf::sync_job {	4111	cf::sync_job {
3423	eval {	4112	eval {
3424	BDB::db_env_open	4113	BDB::db_env_open
3425	$DB_ENV,	4114	$DB_ENV,
…		…
3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429	0666;	4118	0666;
3430		4119
3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434	$DB_ENV->set_lk_detect;
3435	};	4121	};
3436		4122
3437	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3438	};	4124	};
3439	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3440	}	4136	}
3441		4137
3442	{	4138	{
		4139	# configure IO::AIO
		4140
3443	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3444
3445	undef $Coro::AIO::WATCHER;
3446	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3447	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3448	reentrant => 0,
3449	data => WF_AUTOCANCEL,
3450	fd => IO::AIO::poll_fileno,
3451	poll => 'r',
3452	prio => 6,
3453	cb => \&IO::AIO::poll_cb,
3454	);
3455	}	4144	}
3456		4145
3457	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3458		4148
3459	sub _log_backtrace {	4149	sub _log_backtrace {
3460	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3461		4151
3462	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3463		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3464	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3465	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3466	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3467	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3468	my @bt = fork_call {	4165	my @bt = fork_call {
3469	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3472	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3480	}	4177	}
3481		4178
3482	@funcs	4179	@funcs
3483	};	4180	};
3484		4181
3485	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3486	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3487	--$_log_backtrace;	4185	--$_log_backtrace;
3488	};	4186	};
3489	} else {	4187	} else {
3490	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3491	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3492	}	4190	}
3493	}	4191	}
3494		4192
3495	# load additional modules	4193	# load additional modules
3496	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3497		4196
3498	END { cf::emergency_save }	4197	END { cf::emergency_save }
3499		4198
3500	1	4199	1
3501		4200

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