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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.336 by root, Tue Aug 21 00:31:18 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 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;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
277	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
279		421
280	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
281		423
282	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
283		425
284	=cut	426	=cut
285		427
286	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
287		429
288	sub lock_wait($) {	430	sub lock_wait($) {
289	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	432	}
297		433
298	sub lock_acquire($) {	434	sub lock_acquire($) {
299	my ($key) = @_;	435	$LOCKS->guard ($_[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	}	436	}
311		437
312	sub lock_active($) {	438	sub lock_active($) {
313	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	440	}
317		441
318	sub freeze_mainloop {	442	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
320		444
321	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	446	}
323	};	447
324	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
325	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
326	}	461	}
327		462
328	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
329		464
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		473
339	=cut	474	=cut
340		475
341	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
343		479
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
346	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
347		486
348	while () {	487	while () {
349	next_job:	488	next_job:
		489
350	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	491
352	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	496	$job->[2]->send;
356	Coro::cede;	497	Coro::cede;
357	goto next_job;	498	goto next_job;
358	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	501	}
360	}	502	}
361		503
362	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	507	$signal->wait;
366	} else {	508	} else {
		509	$busy = 0;
367	Coro::schedule;	510	Coro::schedule;
368	}	511	}
369	}	512	}
370	};	513	};
371		514
372	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
373	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
374		519
375	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
376	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
377		523
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
391		537
392	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
393		539
394	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
395		541
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	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	543	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	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	545	acceptable.
400		546
401	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	552	=cut
407		553
408	sub sync_job(&) {	554	sub sync_job(&) {
409	my ($job) = @_;	555	my ($job) = @_;
410		556
411	if ($Coro::current == $Coro::main) {	557	if (in_main) {
412	my $time = Event::time;	558	my $time = AE::time;
413		559
414	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
416		562
417	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	564
419	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
420		566
421	my $busy = 1;	567	my $busy = 1;
422	my @res;	568	my @res;
423		569
424	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	572	@res = eval { $job->() };
426	warn $@ if $@;	573	error $@ if $@;
427	undef $busy;	574	undef $busy;
428	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
429		576
430	while ($busy) {	577	while ($busy) {
431	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
432	}	582	}
		583	}
433		584
434	$time = Event::time - $time;	585	my $time = AE::time - $time;
435		586
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	587	$TICK_START += $time; # do not account sync jobs to server load
440		588
441	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
442	} else {	590	} else {
443	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
444		592
…		…
464	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
465		613
466	$coro	614	$coro
467	}	615	}
468		616
469	=item fork_call { }, $args	617	=item fork_call { }, @args
470		618
471	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
475		623
476	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
477		629
478	sub fork_call(&@) {	630	sub fork_call(&@) {
479	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
480		632
481	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
484		636
485	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
486	reset_signals;	638	cf::post_fork;
487	&$cb	639	&$cb
488	}, @args;	640	} @args;
489		641
490	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
491	}	681	}
492		682
493	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
494		684
495	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
498		688
499	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
502	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
503		718
504	our $DB;	719	our $DB;
505		720
506	sub db_init {	721	sub db_init {
507	unless ($DB) {	722	$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	}	723	}
522		724
523	sub db_get($$) {	725	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
525		727
526	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
527	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
528		732
529	$! ? ()	733	$! ? ()
530	: $data	734	: $data
531	}
532	}	735	}
533		736
534	sub db_put($$$) {	737	sub db_put($$$) {
535	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	778	if (1) {
576	$md5 =	779	$md5 =
577	join "\x00",	780	join "\x00",
578	$processversion,	781	$processversion,
579	map {	782	map {
580	Coro::cede;	783	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	785	} 0.. $#$src;
583		786
584		787
585	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		795
593	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	797	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
596		799
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		801
599	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
602		805
…		…
612		815
613	=cut	816	=cut
614		817
615	sub datalog($@) {	818	sub datalog($@) {
616	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	821	}
619		822
620	=back	823	=back
621		824
622	=cut	825	=cut
623		826
624	#############################################################################	827	#############################################################################
625		828
626	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
627		830
628	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
631		834
632	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	837	Deliantra).
635		838
636	=over 4	839	=over 4
637		840
638	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
639		842
…		…
683	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
684		887
685	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
687		890
688	Some classes such as crossfire maps and objects can specify attachments	891	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.	892	that are attached at load/instantiate time, thus the need for a name.
690		893
691	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
692		895
693	=over 4	896	=over 4
…		…
817		1020
818	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1023
821	} elsif (ref $type) {	1024	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
823		1026
824	} else {	1027	} else {
825	shift @arg;	1028	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
827	}	1030	}
828	}	1031	}
829	}	1032	}
830		1033
831	sub _object_attach {	1034	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
842	}	1045	}
843		1046
844	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
845	} else {	1048	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1050	}
848		1051
849	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
850	}	1053	}
851		1054
…		…
910		1113
911	for (@$callbacks) {	1114	for (@$callbacks) {
912	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
913		1116
914	if ($@) {	1117	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1119	override;
918	}	1120	}
919		1121
920	return 1 if $override;	1122	return 1 if $override;
921	}	1123	}
922		1124
923	0	1125	0
924	}	1126	}
925		1127
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1129
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1131
930	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
931		1133
…		…
937		1139
938	=cut	1140	=cut
939		1141
940	#############################################################################	1142	#############################################################################
941	# object support	1143	# object support
942	#
943		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
944	sub _can_merge {	1178	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
946		1180
947	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1182
951	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
952	}	1185	}
953		1186
954	sub reattach {	1187	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1189	my ($obj) = @_;
957		1190
		1191	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1193
960	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
961		1195
962	@$registry = ();	1196	@$registry = ();
963		1197
…		…
968	for (@$attach) {	1202	for (@$attach) {
969	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
971	}	1205	}
972	} else {	1206	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1208	}
975	}	1209	}
976	}	1210	}
977		1211
978	cf::attachable->attach (	1212	cf::attachable->attach (
979	prio => -1000000,	1213	prio => -1000000,
980	on_instantiate => sub {	1214	on_instantiate => sub {
981	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
982		1216
983	$data = from_json $data;	1217	$data = decode_json $data;
984		1218
985	for (@$data) {	1219	for (@$data) {
986	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
987		1221
988	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1238	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1006		1240
1007	sync_job {	1241	sync_job {
1008	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1011		1247
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1016	close $fh;	1255	aio_close $fh;
1017		1256
1018	if (@$objs) {	1257	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1024	close $fh;	1266	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1268	}
1027	} else {	1269	} else {
1028	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1029	}	1271	}
1030		1272
1031	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1277	} else {
1033	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1034	}	1279	}
1035	} else {	1280	} else {
1036	aio_unlink $filename;	1281	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1038	}	1283	}
1039	}	1284	};
1040	}	1285	}
1041		1286
1042	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1044		1289
…		…
1056	or return;	1301	or return;
1057		1302
1058	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1305	or return;
		1306
1061	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1062	}	1309	}
1063		1310
		1311	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1066	return ($data, $av);	1316	($data, $av)
1067	}	1317	}
1068		1318
1069	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1070		1320
1071	=over 4	1321	=over 4
…		…
1125	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1126		1376
1127	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1128	}	1378	}
1129		1379
		1380	use File::Glob ();
		1381
1130	cf::player->attach (	1382	cf::player->attach (
1131	on_command => sub {	1383	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1133		1385
1134	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1135	or return;	1387	or return;
1136		1388
…		…
1149	my ($type, $reply, @payload) =	1401	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1402	"ARRAY" eq ref $msg
1151	? @$msg	1403	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1405
		1406	my @reply;
		1407
1154	if (my $cb = $EXTCMD{$type}) {	1408	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1409	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1160	} else {	1415	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1417	}
1163		1418
1164	cf::override;	1419	cf::override;
1165	},	1420	},
1166	);	1421	);
1167		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1168	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1169	cf::sync_job {	1439	cf::sync_job {
1170	my %todo;	1440	my %todo;
1171		1441
1172	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1443	next unless -r $path;
…		…
1191		1461
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1464
1195	$ext{source} =	1465	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1198	. $source	1468	. $source
1199	. "\n};\n1";	1469	. "\n};\n1";
1200		1470
1201	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1202	}	1472	}
1203		1473
		1474	my $pass = 0;
1204	my %done;	1475	my %done;
1205	while (%todo) {	1476	while (%todo) {
1206	my $progress;	1477	my $progress;
1207		1478
		1479	++$pass;
		1480
		1481	ext:
1208	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1484	next ext
1211	unless exists $done{$_};	1485	unless exists $done{$_};
1212	}	1486	}
1213		1487
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1489
1216	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1221	warn $msg;	1497
1222	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1499	delete $todo{$k};
1224	}	1500	} else {
1225		1501	$done{$k} = delete $todo{$k};
1226	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1227	}	1507	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1508	}
1233		1509
1234	skip:	1510	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1237	}	1518	}
1238	};	1519	};
1239	}	1520	}
1240		1521
1241	#############################################################################	1522	#############################################################################
1242		1523
1243	=back	1524	=back
1244		1525
1245	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1246		1527
1247	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1248		1529
1249	=cut	1530	=cut
1250		1531
1251	package cf::player;	1532	package cf::player;
1252		1533
1253	use Coro::AIO;	1534	use Coro::AIO;
1254		1535
1255	=head3 cf::player	1536	=head3 cf::player
1256		1537
1257	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1258		1553
1259	=item cf::player::find $login	1554	=item cf::player::find $login
1260		1555
1261	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1262		1557
…		…
1281		1576
1282	sub exists($) {	1577	sub exists($) {
1283	my ($login) = @_;	1578	my ($login) = @_;
1284		1579
1285	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1287	}	1582	}
1288		1583
1289	sub find($) {	1584	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1586	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1597
1303	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1306	}	1607	}
1307	}	1608	}
1308	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1309		1623
1310	sub save($) {	1624	sub save($) {
1311	my ($pl) = @_;	1625	my ($pl) = @_;
1312		1626
1313	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1319		1633
1320	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1322		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1323	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1324	Coro::cede;	1643	cf::cede_to_tick;
1325	}	1644	}
1326		1645
1327	sub new($) {	1646	sub new($) {
1328	my ($login) = @_;	1647	my ($login) = @_;
1329		1648
…		…
1358	my ($pl) = @_;	1677	my ($pl) = @_;
1359		1678
1360	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1361		1680
1362	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1683
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1368	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1369		1692
1370	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1407	or return [];	1730	or return [];
1408		1731
1409	my @logins;	1732	my @logins;
1410		1733
1411	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1415		1744
1416	utf8::decode $login;	1745	utf8::decode $login;
1417	push @logins, $login;	1746	push @logins, $login;
1418	}	1747	}
1419		1748
1420	\@logins	1749	\@logins
1421	}	1750	}
1422		1751
1423	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1424		1755
1425	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1426	player. May block.	1757	player. May block.
1427		1758
1428	=cut	1759	=cut
…		…
1446	}	1777	}
1447		1778
1448	\@paths	1779	\@paths
1449	}	1780	}
1450		1781
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1783
1453	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1785
1501	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1502		1787
1503	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1504		1789
…		…
1536		1821
1537	=cut	1822	=cut
1538		1823
1539	sub find_by_path($) {	1824	sub find_by_path($) {
1540	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1541		1828
1542	my ($match, $specificity);	1829	my ($match, $specificity);
1543		1830
1544	for my $region (list) {	1831	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1573		1860
1574	sub generate_random_map {	1861	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1576	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1577	$self->_create_random_map (	1867	$self->_create_random_map (
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1599		1889
1600	sub register {	1890	sub register {
1601	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1892	my $pkg = caller;
1603		1893
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1895
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1897	}
1609		1898
1610	# also paths starting with '/'	1899	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1901
1613	sub thawer_merge {	1902	sub thawer_merge {
1614	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1615		1904
1616	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1621	}	1910	}
1622		1911
1623	sub normalise {	1912	sub normalise {
1624	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1625		1914
1626	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1627		1916
1628	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1629		1918
1630	# map plan:	1919	# map plan:
1631	#	1920	#
…		…
1670	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1671	return $self;	1960	return $self;
1672	}	1961	}
1673	}	1962	}
1674		1963
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	1965	()
1677	}	1966	}
1678		1967
1679	sub init {	1968	sub init {
1680	my ($self) = @_;	1969	my ($self) = @_;
…		…
1702		1991
1703	# the temporary/swap location	1992	# the temporary/swap location
1704	sub save_path {	1993	sub save_path {
1705	my ($self) = @_;	1994	my ($self) = @_;
1706		1995
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1709	}	1998	}
1710		1999
1711	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1712	sub uniq_path {	2001	sub uniq_path {
1713	my ($self) = @_;	2002	my ($self) = @_;
1714		2003
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2006	}
1727		2007
1728	sub decay_objects {	2008	sub decay_objects {
1729	my ($self) = @_;	2009	my ($self) = @_;
1730		2010
…		…
1743		2023
1744	sub load_header_from($) {	2024	sub load_header_from($) {
1745	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1746		2026
1747	utf8::encode $path;	2027	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1753		2036
1754	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1755		2038
1756	1	2039	1
1757	}	2040	}
…		…
1809		2092
1810	sub find;	2093	sub find;
1811	sub find {	2094	sub find {
1812	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1813		2096
		2097	cf::cede_to_tick;
		2098
1814	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1815		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2103
1818	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1821	or return;	2106	or return;
1822		2107
1823	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1824		2109
…		…
1826	or return;	2111	or return;
1827		2112
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1831	$map->reset;	2118	$map->reset;
1832	undef $guard;
1833	return find $path;	2119	return find $path;
1834	}	2120	}
1835		2121
1836	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1837	}	2123	}
1838	}	2124	}
1839		2125
1840	sub pre_load { }	2126	sub pre_load { }
1841	sub post_load { }	2127	#sub post_load { } # XS
1842		2128
1843	sub load {	2129	sub load {
1844	my ($self) = @_;	2130	my ($self) = @_;
1845		2131
1846	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1847		2133
1848	my $path = $self->{path};	2134	my $path = $self->{path};
1849		2135
1850	{	2136	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1852		2138
		2139	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2141
1855	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1856		2143
1857	$self->alloc;	2144	$self->alloc;
1858		2145
1859	$self->pre_load;	2146	$self->pre_load;
1860	Coro::cede;	2147	cf::cede_to_tick;
1861		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1863	or return;	2152	or return;
1864		2153
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1866	if delete $self->{load_original};	2155	if delete $self->{load_original};
1867		2156
1868	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2158	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2161	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1873	}	2165	}
1874	}	2166	}
1875		2167
1876	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1877	# now do the right thing for maps	2171	# now do the right thing for maps
1878	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2174	unless $self->difficulty;
1881	Coro::cede;	2175	cf::cede_to_tick;
1882		2176
1883	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2178	$self->decay_objects;
1885	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1886	$self->update_buttons;	2180	$self->update_buttons;
1887	Coro::cede;	2181	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2182	$self->activate;
1891	}	2183	}
1892		2184
1893	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2186	$self->last_access ($cf::RUNTIME);
1895		2187
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2189	}
1898		2190
1899	$self->post_load;	2191	$self->post_load;
1900	}	2192	}
1901		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2197	sub customise_for {
1903	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1904		2199
1905	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2201	if $self->per_player;
…		…
1922	or next;	2217	or next;
1923	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1924	or next;	2219	or next;
1925	$neigh->load;	2220	$neigh->load;
1926		2221
		2222	# now find the diagonal neighbours
1927	push @neigh,	2223	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2226	}
1931		2227
…		…
1938	}	2234	}
1939		2235
1940	sub find_sync {	2236	sub find_sync {
1941	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1942		2238
1943	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1944	}	2243	}
1945		2244
1946	sub do_load_sync {	2245	sub do_load_sync {
1947	my ($map) = @_;	2246	my ($map) = @_;
1948		2247
1949	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1950	}	2252	}
1951		2253
1952	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1954		2256
1955	sub find_async {	2257	sub find_async {
1956	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1957		2259
1958	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1959		2261
1960	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2264	}
1963		2265
1964	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1965	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1966	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2273	if (my $map = find $k) {
1969	$map->load;	2274	$map->load if $v;
1970	}	2275	}
1971		2276
1972	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1973	}	2278	}
1974	}	2279	}
1975	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1976	};	2281	};
1977	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1978		2283
1979	()	2284	()
1980	}	2285	}
1981		2286
		2287	# common code, used by both ->save and ->swapout
1982	sub save {	2288	sub _save {
1983	my ($self) = @_;	2289	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2290
1987	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1988		2292
1989	return unless $self->dirty;	2293	return unless $self->dirty;
1990		2294
…		…
1996	return if $self->{deny_save};	2300	return if $self->{deny_save};
1997		2301
1998	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1999		2303
2000	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
2002	};	2307	};
		2308
		2309	cf::get_slot 0.02;
2003		2310
2004	if ($uniq) {	2311	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2314	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2316	}
2010	}	2317	}
2011		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
2012	sub swap_out {	2327	sub swap_out {
2013	my ($self) = @_;	2328	my ($self) = @_;
2014		2329
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
2020	return if $self->players;	2334	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
2024	$self->clear;	2345	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2346	}
2027		2347
2028	sub reset_at {	2348	sub reset_at {
2029	my ($self) = @_;	2349	my ($self) = @_;
2030		2350
…		…
2048		2368
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2370
2051	return if $self->players;	2371	return if $self->players;
2052		2372
2053	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
2054		2374
2055	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
2056		2376
2057	# need to save uniques path	2377	# need to save uniques path
2058	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2382	if $uniq;
2063	}	2383	}
2064		2384
2065	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
2066		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2389	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2390
2071	$self->unlink_save;	2391	$self->unlink_save;
2072	$self->destroy;	2392	$self->destroy;
2073	}	2393	}
2074		2394
2075	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
2076		2396
2077	sub nuke {	2397	sub nuke {
2078	my ($self) = @_;	2398	my ($self) = @_;
2079		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
2080	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
2081		2404
2082	$self->unlink_save;	2405	$self->unlink_save;
2083		2406
2084	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2412
2090	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
2091		2415
2092	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
2093	}	2417	}
2094		2418
2095	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
2137		2461
2138	sub unique_maps() {	2462	sub unique_maps() {
2139	[	2463	[
2140	map {	2464	map {
2141	utf8::decode $_;	2465	utf8::decode $_;
2142	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
2143	? normalise $_	2469	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2471	]
2147	}	2472	}
2148		2473
2149	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
2150		2505
2151	=back	2506	=back
2152		2507
2153	=head3 cf::object	2508	=head3 cf::object
2154		2509
…		…
2158		2513
2159	=over 4	2514	=over 4
2160		2515
2161	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
2162		2517
2163	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
2164		2520
2165	=cut	2521	=cut
2166		2522
2167	sub inv_recursive_;	2523	sub inv_recursive_;
2168	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
2171		2527
2172	sub inv_recursive {	2528	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
2174	}	2530	}
2175		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
2176	package cf;	2560	package cf;
2177		2561
2178	=back	2562	=back
2179		2563
2180	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
2189		2573
2190	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
2191		2589
2192	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2591	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2605	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2607
2210	} else {	2608	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2611	}
2214	}	2612	}
2215	}	2613	}
2216		2614
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2640
2243	=item $player_object->enter_link	2641	=item $player_object->enter_link
2244		2642
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2644
2247	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
2249		2649
2250	Will never block.	2650	Will never block.
2251		2651
2252	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
2253		2653
…		…
2273	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2674	my ($self) = @_;
2275		2675
2276	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
2277		2677
		2678	++$self->{_link_recursion};
		2679
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2681
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
2282		2684
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2686	}
2285		2687
2286	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
2288		2690
…		…
2305	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2307		2709
2308	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2311		2713
2312	$map->load;	2714	$map->load;
2313	$map->load_neighbours;	2715	$map->load_neighbours;
2314		2716
2315	return unless $self->contr->active;	2717	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2718
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2320	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2321		2726
		2727	}
		2728
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2730
2324	Moves the player to the given map-path and coordinates by first freezing	2731	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2732	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2733	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2734	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2735	be called at the end of this process.
2329		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
2330	=cut	2740	=cut
2331		2741
2332	our $GOTOGEN;	2742	our $GOTOGEN;
2333		2743
2334	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
2337	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2755
2340	$self->enter_link;	2756	$self->enter_link;
2341		2757
2342	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2343	my $map = eval {	2780	my $map = eval {
2344	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2345		2782
2346	if ($map) {	2783	if ($map) {
2347	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2786	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2788	}
2352		2789
2353	$map	2790	$map
2354	};	2791	};
2355		2792
…		…
2361	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2364	}	2801	}
2365		2802
2366	$done->() if $done;	2803	$done->($self) if $done;
2367	})->prio (1);	2804	})->prio (1);
2368	}	2805	}
2369		2806
2370	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2371		2808
…		…
2391	}	2828	}
2392		2829
2393	sub prepare_random_map {	2830	sub prepare_random_map {
2394	my ($exit) = @_;	2831	my ($exit) = @_;
2395		2832
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2835	# that depends on the exit object
2401		2836
2402	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2839	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2409	}	2846	}
2410		2847
2411	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2412		2849
2413	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2416		2853
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2856	undef $fh;
2420	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2421		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2424	}	2865	}
2425	}	2866	}
2426		2867
2427	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2429		2870
2430	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2431		2872
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2873	$self->enter_link;
2444		2874
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2875	(async {
2450	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2451	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2452	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2453		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2454	1;	2899	1
2455	}) {	2900	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2905
2461	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2907	$self->leave_link;
2463	}	2908	}
2464	})->prio (1);	2909	})->prio (1);
2465	}	2910	}
2466		2911
…		…
2478	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
2480		2925
2481	utf8::encode $text;	2926	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2928	}
		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
2483	}	2953	}
2484		2954
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2956
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2957	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2959	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2960	the message unless the client supports the msg packet.
2491		2961
2492	=cut	2962	=cut
2493		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
2494	sub cf::client::send_msg {	3078	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3079	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3080
2497	$msg = $self->pl->expand_cfpod ($msg);	3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
2498		3083
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
2501	if (ref $channel) {	3093	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3094	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3095	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3096	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3097	$self->ext_msg (channel_info => $channel);
2506	}	3098	}
…		…
2508	$channel = $channel->{id};	3100	$channel = $channel->{id};
2509	}	3101	}
2510		3102
2511	return unless @extra || length $msg;	3103	return unless @extra || length $msg;
2512		3104
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3105	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3107	if $color & cf::NDI_DEF;
2517		3108
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3112	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3113
2532	$color &= cf::NDI_COLOR_MASK;	3114	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3115	}
2546		3116
2547	=item $client->ext_msg ($type, @msg)	3117	=item $client->ext_msg ($type, @msg)
2548		3118
2549	Sends an ext event to the client.	3119	Sends an ext event to the client.
…		…
2551	=cut	3121	=cut
2552		3122
2553	sub cf::client::ext_msg($$@) {	3123	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3124	my ($self, $type, @msg) = @_;
2555		3125
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3126	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3128	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3129	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3131	}
2564	}	3132	}
2565		3133
2566	=item $client->ext_reply ($msgid, @msg)	3134	=item $client->ext_reply ($msgid, @msg)
2567		3135
…		…
2571		3139
2572	sub cf::client::ext_reply($$@) {	3140	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3141	my ($self, $id, @msg) = @_;
2574		3142
2575	if ($self->extcmd == 2) {	3143	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3145	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3146	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3147	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3149	}
2582	}	3150	}
2583		3151
2584	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2585		3153
…		…
2646	my ($type, $reply, @payload) =	3214	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3215	"ARRAY" eq ref $msg
2648	? @$msg	3216	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3218
		3219	my @reply;
		3220
2651	if (my $cb = $EXTICMD{$type}) {	3221	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3222	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
2657	} else {	3228	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3230	}
2660		3231
2661	cf::override;	3232	cf::override;
2662	},	3233	},
2663	);	3234	);
…		…
2683		3254
2684	$coro	3255	$coro
2685	}	3256	}
2686		3257
2687	cf::client->attach (	3258	cf::client->attach (
2688	on_destroy => sub {	3259	on_client_destroy => sub {
2689	my ($ns) = @_;	3260	my ($ns) = @_;
2690		3261
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3263	},
2693	);	3264	);
…		…
2709	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2710		3281
2711	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2712		3283
2713	$safe->permit_only (Opcode::opset qw(	3284	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3285	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3286	grepstart grepwhile mapstart mapwhile
2716	sort time	3287	sort time
2717	));	3288	));
2718		3289
2719	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
…		…
2721	=pod	3292	=pod
2722		3293
2723	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2724		3295
2725	cf::object	3296	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3297	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3298	insert remove name archname title slaying race decrease split
		3299	value
2728		3300
2729	cf::object::player	3301	cf::object::player
2730	player	3302	player
2731		3303
2732	cf::player	3304	cf::player
…		…
2737		3309
2738	=cut	3310	=cut
2739		3311
2740	for (	3312	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2746	) {	3319	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3322	for @funs;
2751	}	3323	}
2752		3324
…		…
2767		3339
2768	my $qcode = $code;	3340	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2771		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2772	local $_;	3347	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3348
2775	my $eval =	3349	my $eval =
2776	"do {\n"	3350	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3353	. $code
2780	. "\n}"	3354	. "\n}"
2781	;	3355	;
2782		3356
		3357	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2786		3366
2787	if ($@) {	3367	if ($@) {
2788	warn "$@";	3368	warn "$@",
2789	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2791	}	3371	}
2792		3372
2793	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2794	}	3374	}
2795		3375
…		…
2809	=cut	3389	=cut
2810		3390
2811	sub register_script_function {	3391	sub register_script_function {
2812	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2813		3393
2814	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2816	}	3396	}
2817		3397
2818	=back	3398	=back
2819		3399
2820	=cut	3400	=cut
…		…
2823	# the server's init and main functions	3403	# the server's init and main functions
2824		3404
2825	sub load_facedata($) {	3405	sub load_facedata($) {
2826	my ($path) = @_;	3406	my ($path) = @_;
2827		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
2828	my $enc = JSON::XS->new->utf8->canonical;	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3413
2830	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2831		3415
2832	my $facedata;
2833	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2834	or die "$path: $!";	3417	or die "$path: $!";
2835		3418
2836	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2837		3420
2838	$facedata->{version} == 2	3421	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3423
2841	# patch in the exptable	3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3426	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3427	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2845	};	3430	};
2846	cf::cede_to_tick;	3431	cf::cede_to_tick;
2847		3432
2848	{	3433	{
2849	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2850		3435
2851	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2853	cf::face::set_visibility $idx, $info->{visibility};	3439	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2857		3443
2858	cf::cede_to_tick;	3444	cf::cede_to_tick;
2859	}	3445	}
2860		3446
2861	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2863	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2864	or next;	3451	or next;
		3452
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3454	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3456	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3458	}
2871		3459
2872	cf::cede_to_tick;	3460	cf::cede_to_tick;
2873	}	3461	}
2874	}	3462	}
…		…
2883		3471
2884	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2885	}	3473	}
2886		3474
2887	{	3475	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3476	my $res = $facedata->{resource};
2891		3477
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3481
2898	if ($info->{type} & 1) {	3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3483	cf::face::set_type $idx, $info->{type};
2900		3484	} else {
2901	my $meta = $enc->encode ({	3485	$RESOURCE{$name} = $info; # unused
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	}	3486	}
2908		3487
2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2910	cf::face::set_type $idx, $info->{type};
2911
2912	cf::cede_to_tick;	3488	cf::cede_to_tick;
2913	}	3489	}
2914
2915	if ($soundconf) {
2916	$soundconf = $enc->decode (delete $soundconf->{data});
2917
2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2919	my $sound = $soundconf->{compat}[$_]
2920	or next;
2921
2922	my $face = cf::face::find "sound/$sound->[1]";
2923	cf::sound::set $sound->[0] => $face;
2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2925	}
2926
2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
2928	my $face = cf::face::find "sound/$v";
2929	cf::sound::set $k => $face;
2930	}
2931	}
2932	}	3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2933		3493
2934	1	3494	1
2935	}	3495	}
2936		3496
2937	register_exticmd fx_want => sub {	3497	register_exticmd fx_want => sub {
…		…
2940	while (my ($k, $v) = each %$want) {	3500	while (my ($k, $v) = each %$want) {
2941	$ns->fx_want ($k, $v);	3501	$ns->fx_want ($k, $v);
2942	}	3502	}
2943	};	3503	};
2944		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2945	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2946	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2947	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
2948		3522
2949	for (cf::region::list) {	3523	for (cf::region::list) {
2950	$_->{match} = qr/$_->{match}/	3524	$_->{match} = qr/$_->{match}/
…		…
2958	}	3532	}
2959		3533
2960	sub reload_archetypes {	3534	sub reload_archetypes {
2961	load_resource_file "$DATADIR/archetypes"	3535	load_resource_file "$DATADIR/archetypes"
2962	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2963	#d# NEED to laod twice to resolve forward references
2964	# this really needs to be done in an extra post-pass
2965	# (which needs to be synchronous, so solve it differently)
2966	load_resource_file "$DATADIR/archetypes"
2967	or die "unable to load archetypes\n";
2968	}	3537	}
2969		3538
2970	sub reload_treasures {	3539	sub reload_treasures {
2971	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2972	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2973	}	3542	}
2974		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2975	sub reload_resources {	3567	sub reload_resources {
2976	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2977		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2978	reload_regions;	3575	reload_regions;
2979	reload_facedata;
2980	#reload_archetypes;#d#
2981	reload_archetypes;
2982	reload_treasures;	3576	reload_treasures;
2983		3577
2984	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2985	}	3579	}
2986		3580
2987	sub init {	3581	sub reload_config {
2988	reload_resources;	3582	trace "reloading config file...\n";
2989	}
2990		3583
2991	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
2992	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
2993	or return;
2994		3586
2995	local $/;	3587	utf8::decode $config;
2996	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
2997		3589
2998	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2999		3591
3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3002		3594
3003	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
3007	};	3599	};
3008	warn $@ if $@;	3600	warn $@ if $@;
3009	}	3601	}
3010	}	3602	}
3011		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
3012	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
3013	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
3014	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3016	(async {	3645	(async {
3017	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
3018	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
3019	};	3649	};
3020		3650
3021	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
3022	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
3023	load_extensions;	3674	load_extensions;
3024		3675
3025	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
3026	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
3027	}	3694	}
3028		3695
3029	#############################################################################	3696	#############################################################################
3030	# initialisation and cleanup	3697	# initialisation and cleanup
3031		3698
3032	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
3033	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
3034	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
3035	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3036	reentrant => 0,
3037	data => WF_AUTOCANCEL,
3038	signal => $signal,
3039	prio => 0,
3040	cb => sub {
3041	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
3042	},
3043	);	3705	};
3044	}	3706	}
3045	}	3707	}
3046		3708
3047	sub write_runtime {	3709	sub write_runtime_sync {
3048	my $runtime = "$LOCALDIR/runtime";	3710	my $t0 = AE::time;
3049		3711
3050	# first touch the runtime file to show we are still running:	3712	# first touch the runtime file to show we are still running:
3051	# the fsync below can take a very very long time.	3713	# the fsync below can take a very very long time.
3052		3714
3053	IO::AIO::aio_utime $runtime, undef, undef;	3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3054		3716
3055	my $guard = cf::lock_acquire "write_runtime";	3717	my $guard = cf::lock_acquire "write_runtime";
3056		3718
3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3058	or return;	3720	or return;
3059		3721
3060	my $value = $cf::RUNTIME + 90 + 10;	3722	my $value = $cf::RUNTIME + 90 + 10;
3061	# 10 is the runtime save interval, for a monotonic clock	3723	# 10 is the runtime save interval, for a monotonic clock
3062	# 60 allows for the watchdog to kill the server.	3724	# 60 allows for the watchdog to kill the server.
…		…
3072	aio_utime $fh, undef, undef;	3734	aio_utime $fh, undef, undef;
3073		3735
3074	close $fh	3736	close $fh
3075	or return;	3737	or return;
3076		3738
3077	aio_rename "$runtime~", $runtime	3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3078	and return;	3740	and return;
3079		3741
3080	warn "runtime file written.\n";	3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3081		3743
3082	1	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
3083	}	3795	}
3084		3796
3085	sub emergency_save() {	3797	sub emergency_save() {
3086	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
3087		3799
3088	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
3089		3806
3090	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
3091	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
3092	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
3093	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
3094	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
3095	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
3096	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
3097	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3098	$pl->save;	3818	$pl->save;
3099	}	3819	}
3100	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
3101		3821
3102	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
3103	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
3104	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
3105	$map->valid or next;	3827	$map->valid or next;
3106	$map->save;	3828	$map->save;
3107	}	3829	}
3108	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
3109		3831
3110	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
3111	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
3112	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
3113	};	3860	};
3114		3861
3115	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
3116	}	3863	}
3117		3864
3118	sub post_cleanup {	3865	sub post_cleanup {
3119	my ($make_core) = @_;	3866	my ($make_core) = @_;
3120		3867
		3868	IO::AIO::flush;
		3869
3121	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
3122	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
3123	}	3900	}
3124		3901
3125	sub do_reload_perl() {	3902	sub do_reload_perl() {
3126	# can/must only be called in main	3903	# can/must only be called in main
3127	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
3128	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
3129	return;	3906	return;
3130	}	3907	}
3131		3908
3132	warn "reloading...";	3909	return if $RELOAD++;
3133		3910
3134	warn "entering sync_job";	3911	my $t1 = AE::time;
3135		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
3136	cf::sync_job {	3919	cf::sync_job {
3137	cf::write_runtime; # external watchdog should not bark
3138	cf::emergency_save;	3920	#cf::emergency_save;
3139	cf::write_runtime; # external watchdog should not bark
3140		3921
3141	warn "syncing database to disk";
3142	BDB::db_env_txn_checkpoint $DB_ENV;
3143
3144	# if anything goes wrong in here, we should simply crash as we already saved
3145
3146	warn "cancelling all WF_AUTOCANCEL watchers";
3147	for (Event::all_watchers) {
3148	$_->cancel if $_->data & WF_AUTOCANCEL;
3149	}
3150
3151	warn "flushing outstanding aio requests";
3152	for (;;) {
3153	BDB::flush;
3154	IO::AIO::flush;
3155	Coro::cede;
3156	last unless IO::AIO::nreqs || BDB::nreqs;
3157	warn "iterate...";
3158	}
3159
3160	++$RELOAD;
3161
3162	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
3163	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
3164	%EXT_CORO = ();	3924	%EXT_CORO = ();
3165		3925
3166	warn "removing commands";	3926	trace "perl_reload: removing commands";
3167	%COMMAND = ();	3927	%COMMAND = ();
3168		3928
3169	warn "removing ext/exti commands";	3929	trace "perl_reload: removing ext/exti commands";
3170	%EXTCMD = ();	3930	%EXTCMD = ();
3171	%EXTICMD = ();	3931	%EXTICMD = ();
3172		3932
3173	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
3174	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
3175	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
3176		3936
3177	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
3178	eval {	3938	eval {
3179	$cb->($pkg);	3939	$cb->($pkg);
3180	1	3940	1
3181	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
3182	}	3946	}
3183		3947
3184	warn "... nuking $pkg";
3185	Symbol::delete_package $pkg;
3186	}
3187
3188	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3189	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3191		3951
3192	warn "... unloading $k";	3952	trace "... unloading $k";
3193	delete $INC{$k};	3953	delete $INC{$k};
3194		3954
3195	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
3196	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
3197		3957
3198	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
3199	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
3200	}	3963	}
3201		3964
3202	Symbol::delete_package $k;
3203	}
3204
3205	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
3206	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3208		3968
3209	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
3210	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
3211	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3212		3972
3213	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
3214	# and global variables created in xs	3974	# and global variables created in xs
3215	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
3216		3976
3217	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
3218		3978
3219	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
3220	require cf;	3980	require cf;
3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
3222		3982
3223	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
3224	cf::cfg_load;	3984	cf::reload_config;
3225		3985
3226	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
3227	cf::load_extensions;	3987	cf::load_extensions;
3228		3988
		3989	if ($REATTACH_ON_RELOAD) {
3229	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
3230	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
3231	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
3232	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
3233	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
3234	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
3235		3997
3236	warn "leaving sync_job";	3998	cf::_post_init 1;
3237		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
3238	1	4002	1
3239	} or do {	4003	} or do {
3240	warn $@;	4004	error $@;
3241	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
3242	exit 1;	4006	};
		4007
		4008	--$RELOAD;
3243	};	4009	}
3244		4010
3245	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
3246	};	4013	};
3247		4014
3248	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
3249		4016
3250	sub reload_perl() {	4017	sub reload_perl() {
3251	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
3252	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
3253		4020
3254	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
3255	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
3256	after => 0,	4023
3257	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3258	cb => sub {
3259	do_reload_perl;	4025	do_reload_perl;
3260	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
3261	},	4027	};
3262	);	4028	};
3263	}	4029	}
3264		4030
3265	register_command "reload" => sub {	4031	register_command "reload" => sub {
3266	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
3267		4033
3268	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
3269	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
3270	async { reload_perl };	4038	reload_perl;
		4039	};
3271	}	4040	}
3272	};	4041	};
3273		4042
3274	unshift @INC, $LIBDIR;	4043	#############################################################################
3275		4044
3276	my $bug_warning = 0;	4045	my $bug_warning = 0;
3277		4046
3278	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
3279	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
3280		4049
3281	sub wait_for_tick {	4050	sub wait_for_tick() {
3282	return unless $TICK_WATCHER->is_active;
3283	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3284		4052
3285	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3286	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
3287	$signal->wait;	4055	$signal->wait;
3288	}	4056	}
3289		4057
3290	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
3291	return unless $TICK_WATCHER->is_active;
3292	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3293		4060
3294	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
3295	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
3296	$signal->wait;	4063	$signal->wait;
3297	}	4064	}
3298		4065
3299	my $min = 1e6;#d#	4066	sub tick {
3300	my $avg = 10;
3301	$TICK_WATCHER = Event->timer (
3302	reentrant => 0,
3303	parked => 1,
3304	prio => 0,
3305	at => $NEXT_TICK || $TICK,
3306	data => WF_AUTOCANCEL,
3307	cb => sub {
3308	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3310	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
3311	return;	4070	return;
3312	}	4071	}
3313		4072
3314	$NOW = $tick_start = Event::time;
3315
3316	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
3317		4074
3318	0 && sync_job {#d#	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319	for(1..10) {
3320	my $t = Event::time;
3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3322	or die;
3323		4076
3324	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3326	$map->alloc;	4079	Coro::async_pool {
3327	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
3328	my $t = Event::time - $t;	4081	write_runtime_sync
3329		4082	or error "ERROR: unable to write runtime file: $!";
3330	#next unless $t < 0.0013;#d#
3331	if ($t < $min) {
3332	$min = $t;
3333	}
3334	$avg = $avg * 0.99 + $t * 0.01;
3335	}
3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3337	exit 0;
3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3339	};	4083	};
		4084	}
3340		4085
3341	$RUNTIME += $TICK;
3342	$NEXT_TICK += $TICK;
3343
3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
3346	Coro::async_pool {
3347	write_runtime
3348	or warn "ERROR: unable to write runtime file: $!";
3349	};
3350	}
3351
3352	# my $AFTER = Event::time;
3353	# warn $AFTER - $NOW;#d#
3354
3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3356	$sig->send;	4087	$sig->send;
3357	}	4088	}
3358	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
3359	$sig->send;	4090	$sig->send;
3360	}	4091	}
3361		4092
3362	$NOW = Event::time;	4093	$LOAD = ($NOW - $TICK_START) / $TICK;
3363
3364	# if we are delayed by four ticks or more, skip them all
3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3366
3367	$TICK_WATCHER->at ($NEXT_TICK);
3368	$TICK_WATCHER->start;
3369
3370	$LOAD = ($NOW - $tick_start) / $TICK;
3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3372		4095
3373	_post_tick;	4096	if (0) {
3374		4097	if ($NEXT_TICK) {
3375		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
3376	},	4102	}
3377	);	4103	}
3378		4104
3379	{	4105	{
3380	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
3381	$BDB_POLL_WATCHER = Event->io (	4107
3382	reentrant => 0,
3383	fd => BDB::poll_fileno,
3384	poll => 'r',
3385	prio => 0,
3386	data => WF_AUTOCANCEL,
3387	cb => \&BDB::poll_cb,
3388	);
3389	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
3390		4109	BDB::max_poll_reqs $TICK * 0.1;
3391	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
3392	my $status;
3393	my $current = $Coro::current;
3394	(
3395	sub {
3396	$status = $!;
3397	$current->ready; undef $current;
3398	},
3399	sub {
3400	Coro::schedule while defined $current;
3401	$! = $status;
3402	},
3403	)
3404	};
3405		4111
3406	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3407	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3408		4119
3409	cf::sync_job {	4120	cf::sync_job {
3410	eval {	4121	eval {
3411	BDB::db_env_open	4122	BDB::db_env_open
3412	$DB_ENV,	4123	$DB_ENV,
…		…
3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3416	0666;	4127	0666;
3417		4128
3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3419
3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3421	$DB_ENV->set_lk_detect;
3422	};	4130	};
3423		4131
3424	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3425	};	4133	};
3426	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3427	}	4145	}
3428		4146
3429	{	4147	{
		4148	# configure IO::AIO
		4149
3430	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3431
3432	undef $Coro::AIO::WATCHER;
3433	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3434	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
3435	reentrant => 0,
3436	data => WF_AUTOCANCEL,
3437	fd => IO::AIO::poll_fileno,
3438	poll => 'r',
3439	prio => 6,
3440	cb => \&IO::AIO::poll_cb,
3441	);
3442	}	4153	}
3443		4154
3444	my $_log_backtrace;	4155	my $_log_backtrace;
3445		4156
3446	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3449	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3450		4161
3451	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3452	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3453	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3454	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3455	my @bt = fork_call {	4169	my @bt = fork_call {
3456	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3459	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3467	}	4181	}
3468		4182
3469	@funcs	4183	@funcs
3470	};	4184	};
3471		4185
3472	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3473	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3474	--$_log_backtrace;	4189	--$_log_backtrace;
3475	};	4190	};
3476	} else {	4191	} else {
3477	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3478	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3479	}	4194	}
3480	}	4195	}
3481		4196
3482	# load additional modules	4197	# load additional modules
3483	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3484		4200
3485	END { cf::emergency_save }	4201	END { cf::emergency_save }
3486		4202
3487	1	4203	1
3488		4204

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