ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
277	Locks are *not* recursive, locking from the same coro twice results in a	416	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	417	deadlocked coro.
…		…
284		423
285	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
286		425
287	=cut	426	=cut
288		427
289	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
290		429
291	sub lock_wait($) {	430	sub lock_wait($) {
292	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	432	}
300		433
301	sub lock_acquire($) {	434	sub lock_acquire($) {
302	my ($key) = @_;	435	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	436	}
314		437
315	sub lock_active($) {	438	sub lock_active($) {
316	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	440	}
320		441
321	sub freeze_mainloop {	442	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
323		444
324	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	446	}
326	};	447
327	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
328	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
329	}	461	}
330		462
331	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
332		464
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		473
342	=cut	474	=cut
343		475
344	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
346		479
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
349	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
350		486
351	while () {	487	while () {
352	next_job:	488	next_job:
		489
353	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	491
355	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	496	$job->[2]->send;
359	Coro::cede;	497	Coro::cede;
360	goto next_job;	498	goto next_job;
361	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	501	}
363	}	502	}
364		503
365	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	507	$signal->wait;
369	} else {	508	} else {
		509	$busy = 0;
370	Coro::schedule;	510	Coro::schedule;
371	}	511	}
372	}	512	}
373	};	513	};
374		514
375	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
376	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
377		519
378	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
379	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
380		523
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
394		537
395	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
396		539
397	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
398		541
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	545	acceptable.
403		546
404	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	552	=cut
410		553
411	sub sync_job(&) {	554	sub sync_job(&) {
412	my ($job) = @_;	555	my ($job) = @_;
413		556
414	if ($Coro::current == $Coro::main) {	557	if (in_main) {
415	my $time = Event::time;	558	my $time = AE::time;
416		559
417	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
419		562
420	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	564
422	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
423		566
424	my $busy = 1;	567	my $busy = 1;
425	my @res;	568	my @res;
426		569
427	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	572	@res = eval { $job->() };
429	warn $@ if $@;	573	error $@ if $@;
430	undef $busy;	574	undef $busy;
431	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
432		576
433	while ($busy) {	577	while ($busy) {
434	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
435	}	582	}
		583	}
436		584
437	$time = Event::time - $time;	585	my $time = AE::time - $time;
438		586
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
443		588
444	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
445	} else {	590	} else {
446	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
447		592
…		…
467	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
468		613
469	$coro	614	$coro
470	}	615	}
471		616
472	=item fork_call { }, $args	617	=item fork_call { }, @args
473		618
474	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
478		623
479	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
480		629
481	sub fork_call(&@) {	630	sub fork_call(&@) {
482	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
483		632
484	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
487		636
488	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
489	reset_signals;	638	cf::post_fork;
490	&$cb	639	&$cb
491	}, @args;	640	} @args;
492		641
493	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
494	}	681	}
495		682
496	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
497		684
498	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
501		688
502	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
505	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
506		718
507	our $DB;	719	our $DB;
508		720
509	sub db_init {	721	sub db_init {
510	unless ($DB) {	722	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	723	}
525		724
526	sub db_get($$) {	725	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
528		727
529	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
530	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
531		732
532	$! ? ()	733	$! ? ()
533	: $data	734	: $data
534	}
535	}	735	}
536		736
537	sub db_put($$$) {	737	sub db_put($$$) {
538	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
595		795
596	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	797	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
599		799
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		801
602	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
605		805
…		…
615		815
616	=cut	816	=cut
617		817
618	sub datalog($@) {	818	sub datalog($@) {
619	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	821	}
622		822
623	=back	823	=back
624		824
625	=cut	825	=cut
626		826
627	#############################################################################	827	#############################################################################
628		828
629	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
630		830
631	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
634		834
635	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	837	Deliantra).
638		838
639	=over 4	839	=over 4
640		840
641	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
642		842
…		…
686	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
687		887
688	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
690		890
691	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
693		893
694	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
695		895
696	=over 4	896	=over 4
…		…
820		1020
821	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1023
824	} elsif (ref $type) {	1024	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
826		1026
827	} else {	1027	} else {
828	shift @arg;	1028	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
830	}	1030	}
831	}	1031	}
832	}	1032	}
833		1033
834	sub _object_attach {	1034	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
845	}	1045	}
846		1046
847	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
848	} else {	1048	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1050	}
851		1051
852	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
853	}	1053	}
854		1054
…		…
913		1113
914	for (@$callbacks) {	1114	for (@$callbacks) {
915	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
916		1116
917	if ($@) {	1117	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1119	override;
921	}	1120	}
922		1121
923	return 1 if $override;	1122	return 1 if $override;
924	}	1123	}
925		1124
926	0	1125	0
927	}	1126	}
928		1127
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1129
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1131
933	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
934		1133
…		…
940		1139
941	=cut	1140	=cut
942		1141
943	#############################################################################	1142	#############################################################################
944	# object support	1143	# object support
945	#
946		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
947	sub _can_merge {	1178	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
949		1180
950	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1182
954	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
955	}	1185	}
956		1186
957	sub reattach {	1187	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1189	my ($obj) = @_;
960		1190
		1191	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1193
963	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
964		1195
965	@$registry = ();	1196	@$registry = ();
966		1197
…		…
971	for (@$attach) {	1202	for (@$attach) {
972	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
974	}	1205	}
975	} else {	1206	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1208	}
978	}	1209	}
979	}	1210	}
980		1211
981	cf::attachable->attach (	1212	cf::attachable->attach (
982	prio => -1000000,	1213	prio => -1000000,
983	on_instantiate => sub {	1214	on_instantiate => sub {
984	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
985		1216
986	$data = from_json $data;	1217	$data = decode_json $data;
987		1218
988	for (@$data) {	1219	for (@$data) {
989	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
990		1221
991	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1238	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1009		1240
1010	sync_job {	1241	sync_job {
1011	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1014		1247
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1019	close $fh;	1255	aio_close $fh;
1020		1256
1021	if (@$objs) {	1257	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1027	close $fh;	1266	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1268	}
1030	} else {	1269	} else {
1031	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1032	}	1271	}
1033		1272
1034	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1277	} else {
1036	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1037	}	1279	}
1038	} else {	1280	} else {
1039	aio_unlink $filename;	1281	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1041	}	1283	}
1042	}	1284	};
1043	}	1285	}
1044		1286
1045	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1047		1289
…		…
1059	or return;	1301	or return;
1060		1302
1061	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1305	or return;
		1306
1064	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1065	}	1309	}
1066		1310
		1311	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1069	return ($data, $av);	1316	($data, $av)
1070	}	1317	}
1071		1318
1072	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1073		1320
1074	=over 4	1321	=over 4
…		…
1128	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1129		1376
1130	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1131	}	1378	}
1132		1379
		1380	use File::Glob ();
		1381
1133	cf::player->attach (	1382	cf::player->attach (
1134	on_command => sub {	1383	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1136		1385
1137	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1138	or return;	1387	or return;
1139		1388
…		…
1162		1411
1163	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1413	if $reply;
1165		1414
1166	} else {	1415	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1417	}
1169		1418
1170	cf::override;	1419	cf::override;
1171	},	1420	},
1172	);	1421	);
1173		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1174	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1175	cf::sync_job {	1439	cf::sync_job {
1176	my %todo;	1440	my %todo;
1177		1441
1178	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1443	next unless -r $path;
…		…
1197		1461
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1464
1201	$ext{source} =	1465	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1204	. $source	1468	. $source
1205	. "\n};\n1";	1469	. "\n};\n1";
1206		1470
1207	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1208	}	1472	}
1209		1473
		1474	my $pass = 0;
1210	my %done;	1475	my %done;
1211	while (%todo) {	1476	while (%todo) {
1212	my $progress;	1477	my $progress;
1213		1478
		1479	++$pass;
		1480
		1481	ext:
1214	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1484	next ext
1217	unless exists $done{$_};	1485	unless exists $done{$_};
1218	}	1486	}
1219		1487
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1489
1222	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1227	warn $msg;	1497
1228	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1499	delete $todo{$k};
1230	}	1500	} else {
1231		1501	$done{$k} = delete $todo{$k};
1232	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1233	}	1507	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1508	}
1239		1509
1240	skip:	1510	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1243	}	1518	}
1244	};	1519	};
1245	}	1520	}
1246		1521
1247	#############################################################################	1522	#############################################################################
1248		1523
1249	=back	1524	=back
1250		1525
1251	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1252		1527
1253	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1254		1529
1255	=cut	1530	=cut
1256		1531
1257	package cf::player;	1532	package cf::player;
1258		1533
1259	use Coro::AIO;	1534	use Coro::AIO;
1260		1535
1261	=head3 cf::player	1536	=head3 cf::player
1262		1537
1263	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1264		1553
1265	=item cf::player::find $login	1554	=item cf::player::find $login
1266		1555
1267	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1268		1557
…		…
1287		1576
1288	sub exists($) {	1577	sub exists($) {
1289	my ($login) = @_;	1578	my ($login) = @_;
1290		1579
1291	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1293	}	1582	}
1294		1583
1295	sub find($) {	1584	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1586	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1597
1309	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1312	}	1607	}
1313	}	1608	}
1314	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1315		1623
1316	sub save($) {	1624	sub save($) {
1317	my ($pl) = @_;	1625	my ($pl) = @_;
1318		1626
1319	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1323		1631
1324	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1325		1633
1326	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1641
1329	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1643	cf::cede_to_tick;
1331	}	1644	}
1332		1645
…		…
1364	my ($pl) = @_;	1677	my ($pl) = @_;
1365		1678
1366	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1367		1680
1368	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1683
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1374	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1375		1692
1376	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1416		1733
1417	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
1418	my $path = path $login;	1735	my $path = path $login;
1419		1736
1420	# a .pst is a dead give-away for a valid player	1737	# a .pst is a dead give-away for a valid player
1421	unless (-e "$path.pst") {	1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1423	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1424	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
1425	}	1743	}
1426		1744
…		…
1430		1748
1431	\@logins	1749	\@logins
1432	}	1750	}
1433		1751
1434	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1435		1755
1436	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1437	player. May block.	1757	player. May block.
1438		1758
1439	=cut	1759	=cut
…		…
1457	}	1777	}
1458		1778
1459	\@paths	1779	\@paths
1460	}	1780	}
1461		1781
1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1463		1783
1464	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1465
1466	=cut
1467
1468	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;
1470
1471	# escape & and <
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474
1475	# this is buggy, it needs to properly take care of nested <'s
1476
1477	1 while
1478	# replace B<>, I<>, U<> etc.
1479	s/B<([^\>]*)>/<b>$1<\/b>/
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483	# replace G<male|female> tags
1484	|| s{G<([^>|]*)\|([^>]*)>}{
1485	$self->gender ? $2 : $1
1486	}ge
1487	# replace H<hint text>
1488	|| s{H<([^\>]*)>}
1489	{
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")
1493	[$self->{hintmode}]
1494	}ge;
1495
1496	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;
1498
1499	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines
1504
1505	$_
1506	}
1507
1508	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}
1511	}
1512		1785
1513	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1514		1787
1515	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1516		1789
…		…
1548		1821
1549	=cut	1822	=cut
1550		1823
1551	sub find_by_path($) {	1824	sub find_by_path($) {
1552	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1553		1828
1554	my ($match, $specificity);	1829	my ($match, $specificity);
1555		1830
1556	for my $region (list) {	1831	for my $region (list) {
1557	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1583	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1585		1860
1586	sub generate_random_map {	1861	sub generate_random_map {
1587	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
1588	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1589	$self->_create_random_map (	1867	$self->_create_random_map (
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1593	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1594	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1595	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1596	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1611		1889
1612	sub register {	1890	sub register {
1613	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1614	my $pkg = caller;	1892	my $pkg = caller;
1615		1893
1616	no strict;
1617	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1618		1895
1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1620	}	1897	}
1621		1898
1622	# also paths starting with '/'	1899	# also paths starting with '/'
1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1624		1901
1625	sub thawer_merge {	1902	sub thawer_merge {
1626	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1627		1904
1628	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1633	}	1910	}
1634		1911
1635	sub normalise {	1912	sub normalise {
1636	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1637		1914
1638	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1639		1916
1640	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1641		1918
1642	# map plan:	1919	# map plan:
1643	#	1920	#
…		…
1658	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1659	$path = "$base/$path";	1936	$path = "$base/$path";
1660	}	1937	}
1661		1938
1662	for ($path) {	1939	for ($path) {
1663	redo if s{//}{/};
1664	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1665	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1666	}	1942	}
1667		1943
1668	$path	1944	$path
…		…
1682	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1683	return $self;	1959	return $self;
1684	}	1960	}
1685	}	1961	}
1686		1962
1687	Carp::cluck "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1688	()	1964	()
1689	}	1965	}
1690		1966
1691	sub init {	1967	sub init {
1692	my ($self) = @_;	1968	my ($self) = @_;
…		…
1714		1990
1715	# the temporary/swap location	1991	# the temporary/swap location
1716	sub save_path {	1992	sub save_path {
1717	my ($self) = @_;	1993	my ($self) = @_;
1718		1994
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1721	}	1997	}
1722		1998
1723	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1724	sub uniq_path {	2000	sub uniq_path {
1725	my ($self) = @_;	2001	my ($self) = @_;
1726		2002
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1729	}
1730
1731	# and all this just because we cannot iterate over
1732	# all maps in C++...
1733	sub change_all_map_light {
1734	my ($change) = @_;
1735
1736	$_->change_map_light ($change)
1737	for grep $_->outdoor, values %cf::MAP;
1738	}	2005	}
1739		2006
1740	sub decay_objects {	2007	sub decay_objects {
1741	my ($self) = @_;	2008	my ($self) = @_;
1742		2009
…		…
1755		2022
1756	sub load_header_from($) {	2023	sub load_header_from($) {
1757	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1758		2025
1759	utf8::encode $path;	2026	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1765		2035
1766	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1767		2037
1768	1	2038	1
1769	}	2039	}
…		…
1821		2091
1822	sub find;	2092	sub find;
1823	sub find {	2093	sub find {
1824	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1825		2095
		2096	cf::cede_to_tick;
		2097
1826	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1827		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1829		2102
1830	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1831	my $guard = cf::lock_acquire "map_find:$path";
1832	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1833	or return;	2105	or return;
1834		2106
1835	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1836		2108
…		…
1838	or return;	2110	or return;
1839		2111
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1843	$map->reset;	2117	$map->reset;
1844	undef $guard;
1845	return find $path;	2118	return find $path;
1846	}	2119	}
1847		2120
1848	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1849	}	2122	}
1850	}	2123	}
1851		2124
1852	sub pre_load { }	2125	sub pre_load { }
1853	sub post_load { }	2126	#sub post_load { } # XS
1854		2127
1855	sub load {	2128	sub load {
1856	my ($self) = @_;	2129	my ($self) = @_;
1857		2130
1858	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1859		2132
1860	my $path = $self->{path};	2133	my $path = $self->{path};
1861		2134
1862	{	2135	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		2137
		2138	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1867		2140
1868	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1869		2142
1870	$self->alloc;	2143	$self->alloc;
1871		2144
1872	$self->pre_load;	2145	$self->pre_load;
1873	cf::cede_to_tick;	2146	cf::cede_to_tick;
1874		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1875	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1876	or return;	2151	or return;
1877		2152
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1879	if delete $self->{load_original};	2154	if delete $self->{load_original};
1880		2155
1881	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2157	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2160	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1886	}	2164	}
1887	}	2165	}
		2166
		2167	$f->resolve_delayed_derefs;
1888		2168
1889	cf::cede_to_tick;	2169	cf::cede_to_tick;
1890	# now do the right thing for maps	2170	# now do the right thing for maps
1891	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
…		…
1896	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1897	$self->decay_objects;	2177	$self->decay_objects;
1898	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1899	$self->update_buttons;	2179	$self->update_buttons;
1900	cf::cede_to_tick;	2180	cf::cede_to_tick;
1901	$self->set_darkness_map;
1902	cf::cede_to_tick;
1903	$self->activate;	2181	$self->activate;
1904	}	2182	}
1905		2183
1906	$self->{last_save} = $cf::RUNTIME;	2184	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2185	$self->last_access ($cf::RUNTIME);
1908		2186
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2188	}
1911		2189
1912	$self->post_load;	2190	$self->post_load;
1913	}	2191	}
1914		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1915	sub customise_for {	2196	sub customise_for {
1916	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1917		2198
1918	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2200	if $self->per_player;
…		…
1935	or next;	2216	or next;
1936	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1937	or next;	2218	or next;
1938	$neigh->load;	2219	$neigh->load;
1939		2220
		2221	# now find the diagonal neighbours
1940	push @neigh,	2222	push @neigh,
1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1943	}	2225	}
1944		2226
…		…
1951	}	2233	}
1952		2234
1953	sub find_sync {	2235	sub find_sync {
1954	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1955		2237
1956	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1957	}	2242	}
1958		2243
1959	sub do_load_sync {	2244	sub do_load_sync {
1960	my ($map) = @_;	2245	my ($map) = @_;
1961		2246
1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1963	if $Coro::current == $Coro::main;	2248	if $Coro::current == $Coro::main;
1964		2249
1965	cf::sync_job { $map->load };	2250	$map->load;
1966	}	2251	}
1967		2252
1968	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1969	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1970		2255
…		…
1972	my ($path, $origin, $load) = @_;	2257	my ($path, $origin, $load) = @_;
1973		2258
1974	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1975		2260
1976	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1978	}	2263	}
1979		2264
1980	$MAP_PREFETCH{$path} |= $load;	2265	$MAP_PREFETCH{$path} |= $load;
1981		2266
1982	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1983	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2272	if (my $map = find $k) {
1986	$map->load if $v;	2273	$map->load if $v;
1987	}	2274	}
…		…
1994	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1995		2282
1996	()	2283	()
1997	}	2284	}
1998		2285
		2286	# common code, used by both ->save and ->swapout
1999	sub save {	2287	sub _save {
2000	my ($self) = @_;	2288	my ($self) = @_;
2001
2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2289
2004	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
2005		2291
2006	return unless $self->dirty;	2292	return unless $self->dirty;
2007		2293
…		…
2013	return if $self->{deny_save};	2299	return if $self->{deny_save};
2014		2300
2015	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
2016		2302
2017	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
2019	};	2306	};
		2307
		2308	cf::get_slot 0.02;
2020		2309
2021	if ($uniq) {	2310	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2313	} else {
2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026	}	2315	}
2027	}	2316	}
2028		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
2029	sub swap_out {	2326	sub swap_out {
2030	my ($self) = @_;	2327	my ($self) = @_;
2031		2328
2032	# save first because save cedes
2033	$self->save;
2034
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
2037	return if $self->players;	2333	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
2039	return if $self->{deny_save};
2040		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
2041	$self->clear;	2344	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2345	}
2044		2346
2045	sub reset_at {	2347	sub reset_at {
2046	my ($self) = @_;	2348	my ($self) = @_;
2047		2349
…		…
2065		2367
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2369
2068	return if $self->players;	2370	return if $self->players;
2069		2371
2070	warn "resetting map ", $self->path;	2372	cf::trace "resetting map ", $self->path, "\n";
2071		2373
2072	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
2073		2375
2074	# need to save uniques path	2376	# need to save uniques path
2075	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2381	if $uniq;
2080	}	2382	}
2081		2383
2082	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
2083		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2388	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2389
2088	$self->unlink_save;	2390	$self->unlink_save;
2089	$self->destroy;	2391	$self->destroy;
2090	}	2392	}
2091		2393
…		…
2099		2401
2100	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
2101		2403
2102	$self->unlink_save;	2404	$self->unlink_save;
2103		2405
2104	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
2105	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
2106	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
2107	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2109		2411
…		…
2158		2460
2159	sub unique_maps() {	2461	sub unique_maps() {
2160	[	2462	[
2161	map {	2463	map {
2162	utf8::decode $_;	2464	utf8::decode $_;
2163	/\.map$/	2465	s/\.map$//; # TODO future compatibility hack
		2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2467	? ()
2164	? normalise $_	2468	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2469	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2470	]
2168	}	2471	}
2169		2472
2170	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
2171		2504
2172	=back	2505	=back
2173		2506
2174	=head3 cf::object	2507	=head3 cf::object
2175		2508
…		…
2179		2512
2180	=over 4	2513	=over 4
2181		2514
2182	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
2183		2516
2184	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
2185		2519
2186	=cut	2520	=cut
2187		2521
2188	sub inv_recursive_;	2522	sub inv_recursive_;
2189	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
2192		2526
2193	sub inv_recursive {	2527	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
2195	}	2529	}
2196		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
2197	package cf;	2559	package cf;
2198		2560
2199	=back	2561	=back
2200		2562
2201	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
2207	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2208	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
2209	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
2210		2572
2211	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
2212		2588
2213	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
2214	# with dialog boxes.	2590	# with dialog boxes.
2215	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
2216	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
2228	my $dialog = $pl->{npc_dialog};	2604	my $dialog = $pl->{npc_dialog};
2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2230		2606
2231	} else {	2607	} else {
2232	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
2233	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2234	}	2610	}
2235	}	2611	}
2236	}	2612	}
2237		2613
2238	=item $object->send_msg ($channel, $msg, $color, [extra...])	2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2263		2639
2264	=item $player_object->enter_link	2640	=item $player_object->enter_link
2265		2641
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2643
2268	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
2270		2648
2271	Will never block.	2649	Will never block.
2272		2650
2273	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
2274		2652
…		…
2294	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2673	my ($self) = @_;
2296		2674
2297	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
2298		2676
		2677	++$self->{_link_recursion};
		2678
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2680
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2682	if $self->map && $self->map->{path} ne "{link}";
2303		2683
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2685	}
2306		2686
2307	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
2309		2689
…		…
2326	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
2328		2708
2329	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
2332		2712
2333	$map->load;	2713	$map->load;
2334	$map->load_neighbours;	2714	$map->load_neighbours;
2335		2715
2336	return unless $self->contr->active;	2716	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2717
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
2341	}	2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
		2723	$self->activate_recursive;
		2724	}
2342		2725
		2726	}
		2727
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344		2729
2345	Moves the player to the given map-path and coordinates by first freezing	2730	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2731	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2732	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2733	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2734	be called at the end of this process.
2350		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
2351	=cut	2739	=cut
2352		2740
2353	our $GOTOGEN;	2741	our $GOTOGEN;
2354		2742
2355	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
2358	# do generation counting so two concurrent goto's will be executed in-order	2752	# do generation counting so two concurrent goto's will be executed in-order
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2754
2361	$self->enter_link;	2755	$self->enter_link;
2362		2756
2363	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
2364	my $map = eval {	2779	my $map = eval {
2365	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
2366		2781
2367	if ($map) {	2782	if ($map) {
2368	$map = $map->customise_for ($self);	2783	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2784	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2785	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2787	}
2373		2788
2374	$map	2789	$map
2375	};	2790	};
2376		2791
…		…
2382	if ($gen == $self->{_goto_generation}) {	2797	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2798	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
2385	}	2800	}
2386		2801
2387	$done->() if $done;	2802	$done->($self) if $done;
2388	})->prio (1);	2803	})->prio (1);
2389	}	2804	}
2390		2805
2391	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
2392		2807
…		…
2412	}	2827	}
2413		2828
2414	sub prepare_random_map {	2829	sub prepare_random_map {
2415	my ($exit) = @_;	2830	my ($exit) = @_;
2416		2831
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2834	# that depends on the exit object
2422		2835
2423	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2838	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2430	}	2845	}
2431		2846
2432	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2433		2848
2434	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2437		2852
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2855	undef $fh;
2441	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2442		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2445	}	2864	}
2446	}	2865	}
2447		2866
2448	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2450		2869
2451	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2452		2871
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2872	$self->enter_link;
2465		2873
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2874	(async {
2471	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2472	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2473	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2474		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2475	1;	2898	1
2476	}) {	2899	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2904
2482	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	2906	$self->leave_link;
2484	}	2907	}
2485	})->prio (1);	2908	})->prio (1);
2486	}	2909	}
2487		2910
…		…
2499	sub cf::client::send_drawinfo {	2922	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2923	my ($self, $text, $flags) = @_;
2501		2924
2502	utf8::encode $text;	2925	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2927	}
		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
2504	}	2952	}
2505		2953
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2955
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2956	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2958	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2959	the message unless the client supports the msg packet.
2512		2960
2513	=cut	2961	=cut
2514		2962
		2963	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
2516	"c/identify" => {	2971	"c/identify" => {
2517	id => "identify",	2972	id => "infobox",
2518	title => "Identify",	2973	title => "Identify",
2519	reply => undef,	2974	reply => undef,
2520	tooltip => "Items recently identified",	2975	tooltip => "Items recently identified",
2521	},	2976	},
2522	"c/examine" => {	2977	"c/examine" => {
2523	id => "examine",	2978	id => "infobox",
2524	title => "Examine",	2979	title => "Examine",
2525	reply => undef,	2980	reply => undef,
2526	tooltip => "Signs and other items you examined",	2981	tooltip => "Signs and other items you examined",
2527	},	2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
2528	);	3075	);
2529		3076
2530	sub cf::client::send_msg {	3077	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	3078	my ($self, $channel, $msg, $color, @extra) = @_;
2532		3079
2533	$msg = $self->pl->expand_cfpod ($msg);	3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
2534		3082
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		3084
2537	# check predefined channels, for the benefit of C	3085	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
2539		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
2540	if (ref $channel) {	3092	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	3093	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	3094	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	3095	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	3096	$self->ext_msg (channel_info => $channel);
2545	if $self->can_msg;
2546	}	3097	}
2547		3098
2548	$channel = $channel->{id};	3099	$channel = $channel->{id};
2549	}	3100	}
2550		3101
2551	return unless @extra || length $msg;	3102	return unless @extra || length $msg;
2552		3103
2553	if ($self->can_msg) {
2554	# default colour, mask it out	3104	# default colour, mask it out
2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556	if $color & cf::NDI_DEF;	3106	if $color & cf::NDI_DEF;
2557		3107
2558	$self->send_packet ("msg " . $self->{json_coder}->encode (	3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2560	} else {	3111	);
2561	if ($color >= 0) {
2562	# replace some tags by gcfclient-compatible ones
2563	for ($msg) {
2564	1 while
2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2570	}
2571		3112
2572	$color &= cf::NDI_COLOR_MASK;	3113	$self->send_big_packet ($pkt);
2573
2574	utf8::encode $msg;
2575
2576	if (0 && $msg =~ /\[/) {
2577	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	3114	}
2586		3115
2587	=item $client->ext_msg ($type, @msg)	3116	=item $client->ext_msg ($type, @msg)
2588		3117
2589	Sends an ext event to the client.	3118	Sends an ext event to the client.
…		…
2592		3121
2593	sub cf::client::ext_msg($$@) {	3122	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	3123	my ($self, $type, @msg) = @_;
2595		3124
2596	if ($self->extcmd == 2) {	3125	if ($self->extcmd == 2) {
2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2598	} elsif ($self->extcmd == 1) { # TODO: remove	3127	} elsif ($self->extcmd == 1) { # TODO: remove
2599	push @msg, msgtype => "event_$type";	3128	push @msg, msgtype => "event_$type";
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2601	}	3130	}
2602	}	3131	}
2603		3132
2604	=item $client->ext_reply ($msgid, @msg)	3133	=item $client->ext_reply ($msgid, @msg)
2605		3134
…		…
2609		3138
2610	sub cf::client::ext_reply($$@) {	3139	sub cf::client::ext_reply($$@) {
2611	my ($self, $id, @msg) = @_;	3140	my ($self, $id, @msg) = @_;
2612		3141
2613	if ($self->extcmd == 2) {	3142	if ($self->extcmd == 2) {
2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2615	} elsif ($self->extcmd == 1) {	3144	} elsif ($self->extcmd == 1) {
2616	#TODO: version 1, remove	3145	#TODO: version 1, remove
2617	unshift @msg, msgtype => "reply", msgid => $id;	3146	unshift @msg, msgtype => "reply", msgid => $id;
2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2619	}	3148	}
2620	}	3149	}
2621		3150
2622	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2623		3152
…		…
2694		3223
2695	$ns->ext_reply ($reply, @reply)	3224	$ns->ext_reply ($reply, @reply)
2696	if $reply;	3225	if $reply;
2697		3226
2698	} else {	3227	} else {
2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2700	}	3229	}
2701		3230
2702	cf::override;	3231	cf::override;
2703	},	3232	},
2704	);	3233	);
…		…
2724		3253
2725	$coro	3254	$coro
2726	}	3255	}
2727		3256
2728	cf::client->attach (	3257	cf::client->attach (
2729	on_destroy => sub {	3258	on_client_destroy => sub {
2730	my ($ns) = @_;	3259	my ($ns) = @_;
2731		3260
2732	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2733	},	3262	},
2734	);	3263	);
…		…
2750	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2751		3280
2752	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2753		3282
2754	$safe->permit_only (Opcode::opset qw(	3283	$safe->permit_only (Opcode::opset qw(
2755	:base_core :base_mem :base_orig :base_math	3284	:base_core :base_mem :base_orig :base_math :base_loop
2756	grepstart grepwhile mapstart mapwhile	3285	grepstart grepwhile mapstart mapwhile
2757	sort time	3286	sort time
2758	));	3287	));
2759		3288
2760	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
…		…
2762	=pod	3291	=pod
2763		3292
2764	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2765		3294
2766	cf::object	3295	cf::object
2767	contr pay_amount pay_player map x y force_find force_add	3296	contr pay_amount pay_player map x y force_find force_add destroy
2768	insert remove name archname title slaying race decrease_ob_nr	3297	insert remove name archname title slaying race decrease split
		3298	value
2769		3299
2770	cf::object::player	3300	cf::object::player
2771	player	3301	player
2772		3302
2773	cf::player	3303	cf::player
…		…
2778		3308
2779	=cut	3309	=cut
2780		3310
2781	for (	3311	for (
2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783	insert remove inv name archname title slaying race	3313	insert remove inv nrof name archname title slaying race
2784	decrease_ob_nr)],	3314	decrease split destroy change_exp value msg lore send_msg)],
2785	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2787	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2788	) {	3318	) {
2789	no strict 'refs';
2790	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2791	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2792	for @funs;	3321	for @funs;
2793	}	3322	}
2794		3323
…		…
2809		3338
2810	my $qcode = $code;	3339	my $qcode = $code;
2811	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2812	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2813		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2814	local $_;	3346	local $_;
2815	local @safe::cf::_safe_eval_args = values %vars;
2816		3347
2817	my $eval =	3348	my $eval =
2818	"do {\n"	3349	"do {\n"
2819	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2820	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2821	. $code	3352	. $code
2822	. "\n}"	3353	. "\n}"
2823	;	3354	;
2824		3355
		3356	if ($CFG{safe_eval}) {
2825	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2826	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2827	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2828		3365
2829	if ($@) {	3366	if ($@) {
2830	warn "$@";	3367	warn "$@",
2831	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2832	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2833	}	3370	}
2834		3371
2835	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2836	}	3373	}
2837		3374
…		…
2851	=cut	3388	=cut
2852		3389
2853	sub register_script_function {	3390	sub register_script_function {
2854	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2855		3392
2856	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2857	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2858	}	3395	}
2859		3396
2860	=back	3397	=back
2861		3398
2862	=cut	3399	=cut
…		…
2871	# for this (global event?)	3408	# for this (global event?)
2872	%ext::player_env::MUSIC_FACE_CACHE = ();	3409	%ext::player_env::MUSIC_FACE_CACHE = ();
2873		3410
2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2875		3412
2876	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2877		3414
2878	my $facedata;
2879	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2880	or die "$path: $!";	3416	or die "$path: $!";
2881		3417
2882	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2883		3419
2884	$facedata->{version} == 2	3420	$facedata->{version} == 2
2885	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2886		3422
2887	# patch in the exptable	3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2888	$facedata->{resource}{"res/exp_table"} = {	3425	$facedata->{resource}{"res/exp_table"} = {
2889	type => FT_RSRC,	3426	type => FT_RSRC,
2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
2891	};	3429	};
2892	cf::cede_to_tick;	3430	cf::cede_to_tick;
2893		3431
2894	{	3432	{
2895	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2896		3434
2897	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2899	cf::face::set_visibility $idx, $info->{visibility};	3438	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2903		3442
2904	cf::cede_to_tick;	3443	cf::cede_to_tick;
2905	}	3444	}
2906		3445
2907	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2909	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2910	or next;	3450	or next;
		3451
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3453	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3455	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2916	}	3457	}
2917		3458
2918	cf::cede_to_tick;	3459	cf::cede_to_tick;
2919	}	3460	}
2920	}	3461	}
…		…
2929		3470
2930	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2931	}	3472	}
2932		3473
2933	{	3474	{
2934	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3475	my $res = $facedata->{resource};
2937		3476
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;
2943		3480
2944	if ($info->{type} & 1) {	3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2945	# prepend meta info	3482	cf::face::set_type $idx, $info->{type};
2946
2947	my $meta = $enc->encode ({
2948	name => $name,
2949	%{ $info->{meta} || {} },
2950	});
2951
2952	$data = pack "(w/a*)*", $meta, $info->{data};
2953	} else {	3483	} else {
2954	$data = $info->{data};	3484	$RESOURCE{$name} = $info; # unused
2955	}	3485	}
2956		3486
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3487	cf::cede_to_tick;
2961	}	3488	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3492
2982	1	3493	1
2983	}	3494	}
2984		3495
2985	register_exticmd fx_want => sub {	3496	register_exticmd fx_want => sub {
…		…
2987		3498
2988	while (my ($k, $v) = each %$want) {	3499	while (my ($k, $v) = each %$want) {
2989	$ns->fx_want ($k, $v);	3500	$ns->fx_want ($k, $v);
2990	}	3501	}
2991	};	3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
2992		3513
2993	sub reload_regions {	3514	sub reload_regions {
2994	# HACK to clear player env face cache, we need some signal framework	3515	# HACK to clear player env face cache, we need some signal framework
2995	# for this (global event?)	3516	# for this (global event?)
2996	%ext::player_env::MUSIC_FACE_CACHE = ();	3517	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3010	}	3531	}
3011		3532
3012	sub reload_archetypes {	3533	sub reload_archetypes {
3013	load_resource_file "$DATADIR/archetypes"	3534	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";	3535	or die "unable to load archetypes\n";
3015	#d# NEED to laod twice to resolve forward references
3016	# this really needs to be done in an extra post-pass
3017	# (which needs to be synchronous, so solve it differently)
3018	load_resource_file "$DATADIR/archetypes"
3019	or die "unable to load archetypes\n";
3020	}	3536	}
3021		3537
3022	sub reload_treasures {	3538	sub reload_treasures {
3023	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
3024	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
3025	}	3541	}
3026		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
3027	sub reload_resources {	3566	sub reload_resources {
3028	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
3029		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
3030	reload_regions;	3574	reload_regions;
3031	reload_facedata;
3032	#reload_archetypes;#d#
3033	reload_archetypes;
3034	reload_treasures;	3575	reload_treasures;
3035		3576
3036	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
3037	}
3038
3039	sub init {
3040	reload_resources;
3041	}	3578	}
3042		3579
3043	sub reload_config {	3580	sub reload_config {
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3581	trace "reloading config file...\n";
3045	or return;
3046		3582
3047	local $/;	3583	0 < aio_load "$CONFDIR/config", my $config
3048	*CFG = YAML::Syck::Load <$fh>;	3584	or die "$CONFDIR/config: $!";
3049		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3051		3590
3052	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3053	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3054		3593
3055	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
3059	};	3598	};
3060	warn $@ if $@;	3599	warn $@ if $@;
3061	}	3600	}
3062	}	3601	}
3063		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
3064	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
3065	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068	(async {	3644	(async {
3069	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
3071	};	3648	};
3072		3649
		3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
3073	reload_config;	3662	reload_config;
3074	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
3075	load_extensions;	3673	load_extensions;
3076		3674
3077	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
3078	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
3079	}	3693	}
3080		3694
3081	#############################################################################	3695	#############################################################################
3082	# initialisation and cleanup	3696	# initialisation and cleanup
3083		3697
3084	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
3085	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
3094	},
3095	);	3704	};
3096	}	3705	}
3097	}	3706	}
3098		3707
3099	sub write_runtime {	3708	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";	3709	my $t0 = AE::time;
3101		3710
3102	# first touch the runtime file to show we are still running:	3711	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3712	# the fsync below can take a very very long time.
3104		3713
3105	IO::AIO::aio_utime $runtime, undef, undef;	3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3106		3715
3107	my $guard = cf::lock_acquire "write_runtime";	3716	my $guard = cf::lock_acquire "write_runtime";
3108		3717
3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3110	or return;	3719	or return;
3111		3720
3112	my $value = $cf::RUNTIME + 90 + 10;	3721	my $value = $cf::RUNTIME + 90 + 10;
3113	# 10 is the runtime save interval, for a monotonic clock	3722	# 10 is the runtime save interval, for a monotonic clock
3114	# 60 allows for the watchdog to kill the server.	3723	# 60 allows for the watchdog to kill the server.
…		…
3124	aio_utime $fh, undef, undef;	3733	aio_utime $fh, undef, undef;
3125		3734
3126	close $fh	3735	close $fh
3127	or return;	3736	or return;
3128		3737
3129	aio_rename "$runtime~", $runtime	3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3130	and return;	3739	and return;
3131		3740
3132	warn "runtime file written.\n";	3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3133		3742
3134	1	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
3135	}	3794	}
3136		3795
3137	sub emergency_save() {	3796	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
3139		3798
3140	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
3141		3805
3142	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
3143	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
3144	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
3145	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
3147	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3817	$pl->save;
3151	}	3818	}
3152	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
3153		3820
3154	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
3155	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
3156	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
3157	$map->valid or next;	3826	$map->valid or next;
3158	$map->save;	3827	$map->save;
3159	}	3828	}
3160	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
3161		3830
3162	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
3165	};	3859	};
3166		3860
3167	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
3168	}	3862	}
3169		3863
3170	sub post_cleanup {	3864	sub post_cleanup {
3171	my ($make_core) = @_;	3865	my ($make_core) = @_;
3172		3866
		3867	IO::AIO::flush;
		3868
3173	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
3174	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
3175	}	3899	}
3176		3900
3177	sub do_reload_perl() {	3901	sub do_reload_perl() {
3178	# can/must only be called in main	3902	# can/must only be called in main
3179	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
3180	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
3181	return;	3905	return;
3182	}	3906	}
3183		3907
3184	warn "reloading...";	3908	return if $RELOAD++;
3185		3909
3186	warn "entering sync_job";	3910	my $t1 = AE::time;
3187		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
3188	cf::sync_job {	3918	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark
3190	cf::emergency_save;	3919	#cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark
3192		3920
3193	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;
3195
3196	# if anything goes wrong in here, we should simply crash as we already saved
3197
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202
3203	warn "flushing outstanding aio requests";
3204	for (;;) {
3205	BDB::flush;
3206	IO::AIO::flush;
3207	Coro::cede;
3208	last unless IO::AIO::nreqs || BDB::nreqs;
3209	warn "iterate...";
3210	}
3211
3212	++$RELOAD;
3213
3214	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
3215	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
3216	%EXT_CORO = ();	3923	%EXT_CORO = ();
3217		3924
3218	warn "removing commands";	3925	trace "perl_reload: removing commands";
3219	%COMMAND = ();	3926	%COMMAND = ();
3220		3927
3221	warn "removing ext/exti commands";	3928	trace "perl_reload: removing ext/exti commands";
3222	%EXTCMD = ();	3929	%EXTCMD = ();
3223	%EXTICMD = ();	3930	%EXTICMD = ();
3224		3931
3225	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
3226	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
3227	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
3228		3935
3229	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
3230	eval {	3937	eval {
3231	$cb->($pkg);	3938	$cb->($pkg);
3232	1	3939	1
3233	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
3234	}	3945	}
3235		3946
3236	warn "... nuking $pkg";
3237	Symbol::delete_package $pkg;
3238	}
3239
3240	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3241	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3243		3950
3244	warn "... unloading $k";	3951	trace "... unloading $k";
3245	delete $INC{$k};	3952	delete $INC{$k};
3246		3953
3247	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
3248	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
3249		3956
3250	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
3251	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
3252	}	3962	}
3253		3963
3254	Symbol::delete_package $k;
3255	}
3256
3257	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
3258	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3260		3967
3261	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
3262	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
3263	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3264		3971
3265	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
3266	# and global variables created in xs	3973	# and global variables created in xs
3267	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
3268		3975
3269	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
3270		3977
3271	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
3272	require cf;	3979	require cf;
3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
3274		3981
3275	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
3276	cf::reload_config;	3983	cf::reload_config;
3277		3984
3278	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
3279	cf::load_extensions;	3986	cf::load_extensions;
3280		3987
		3988	if ($REATTACH_ON_RELOAD) {
3281	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
3282	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
3283	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
3284	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
3285	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
3286	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
3287		3996
3288	warn "leaving sync_job";	3997	cf::_post_init 1;
3289		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
3290	1	4001	1
3291	} or do {	4002	} or do {
3292	warn $@;	4003	error $@;
3293	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
3294	exit 1;	4005	};
		4006
		4007	--$RELOAD;
3295	};	4008	}
3296		4009
3297	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
3298	};	4012	};
3299		4013
3300	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
3301		4015
3302	sub reload_perl() {	4016	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
3305		4019
3306	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
3307	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
3308	after => 0,	4022
3309	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3310	cb => sub {
3311	do_reload_perl;	4024	do_reload_perl;
3312	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
3313	},	4026	};
3314	);	4027	};
3315	}	4028	}
3316		4029
3317	register_command "reload" => sub {	4030	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
3319		4032
3320	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	4037	reload_perl;
		4038	};
3323	}	4039	}
3324	};	4040	};
3325		4041
3326	unshift @INC, $LIBDIR;	4042	#############################################################################
3327		4043
3328	my $bug_warning = 0;	4044	my $bug_warning = 0;
3329		4045
3330	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
3332		4048
3333	sub wait_for_tick {	4049	sub wait_for_tick() {
3334	return unless $TICK_WATCHER->is_active;
3335	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3336		4051
3337	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3338	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;	4054	$signal->wait;
3340	}	4055	}
3341		4056
3342	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
3343	return unless $TICK_WATCHER->is_active;
3344	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3345		4059
3346	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	4062	$signal->wait;
3349	}	4063	}
3350		4064
3351	my $min = 1e6;#d#	4065	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
3363	return;	4069	return;
3364	}	4070	}
3365		4071
3366	$NOW = $tick_start = Event::time;
3367
3368	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
3369		4073
3370	0 && sync_job {#d#	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3371	for(1..10) {
3372	my $t = Event::time;
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3374	or die;
3375		4075
3376	$map->width (50);	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3377	$map->height (50);	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3378	$map->alloc;	4078	Coro::async_pool {
3379	$map->_load_objects ("/tmp/x.map", 1);	4079	$Coro::current->{desc} = "runtime saver";
3380	my $t = Event::time - $t;	4080	write_runtime_sync
3381		4081	or error "ERROR: unable to write runtime file: $!";
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	4082	};
		4083	}
3392		4084
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	4086	$sig->send;
3409	}	4087	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
3411	$sig->send;	4089	$sig->send;
3412	}	4090	}
3413		4091
3414	$NOW = Event::time;	4092	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		4094
3425	_post_tick;	4095	if (0) {
3426		4096	if ($NEXT_TICK) {
3427		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
3428	},	4101	}
3429	);	4102	}
3430		4103
3431	{	4104	{
3432	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	4106
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
3442		4108	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		4110
3458	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
3459	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460		4118
3461	cf::sync_job {	4119	cf::sync_job {
3462	eval {	4120	eval {
3463	BDB::db_env_open	4121	BDB::db_env_open
3464	$DB_ENV,	4122	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	4126	0666;
3469		4127
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	4129	};
3475		4130
3476	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	4132	};
3478	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
3479	}	4144	}
3480		4145
3481	{	4146	{
		4147	# configure IO::AIO
		4148
3482	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	4152	}
3495		4153
3496	my $_log_backtrace;	4154	my $_log_backtrace;
3497		4155
3498	sub _log_backtrace {	4156	sub _log_backtrace {
…		…
3501	$msg =~ s/\n//;	4159	$msg =~ s/\n//;
3502		4160
3503	# limit the # of concurrent backtraces	4161	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	4162	if ($_log_backtrace < 2) {
3505	++$_log_backtrace;	4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
3506	async {	4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
3507	my @bt = fork_call {	4168	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	4169	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511	or die "addr2line: $!";	4172	or die "addr2line: $!";
…		…
3519	}	4180	}
3520		4181
3521	@funcs	4182	@funcs
3522	};	4183	};
3523		4184
3524	LOG llevInfo, "[ABT] $msg\n";	4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3525	LOG llevInfo, "[ABT] $_\n" for @bt;	4187	LOG llevInfo, "[ABT] $_\n" for @bt;
3526	--$_log_backtrace;	4188	--$_log_backtrace;
3527	};	4189	};
3528	} else {	4190	} else {
3529	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $msg\n";
3530	LOG llevInfo, "[ABT] [suppressed]\n";	4192	LOG llevInfo, "[ABT] [suppressed]\n";
3531	}	4193	}
3532	}	4194	}
3533		4195
3534	# load additional modules	4196	# load additional modules
3535	use cf::pod;	4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
3536		4199
3537	END { cf::emergency_save }	4200	END { cf::emergency_save }
3538		4201
3539	1	4202	1
3540		4203

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines