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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
265		375
266	=item cf::lock_wait $string	376	=item cf::lock_wait $string
267		377
268	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
269		379
270	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
271		381
272	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
275	returned.	385	returned.
276		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
277	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
279		392
280	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
281		394
282	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
283		396
284	=cut	397	=cut
285		398
286	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
287		400
288	sub lock_wait($) {	401	sub lock_wait($) {
289	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	403	}
297		404
298	sub lock_acquire($) {	405	sub lock_acquire($) {
299	my ($key) = @_;	406	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	407	}
311		408
312	sub lock_active($) {	409	sub lock_active($) {
313	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	411	}
317		412
318	sub freeze_mainloop {	413	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
320		415
321	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	417	}
323	};	418
324	$TICK_WATCHER->stop;	419	=item cf::periodic $interval, $cb
325	$guard	420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
326	}	432	}
327		433
328	=item cf::get_slot $time[, $priority[, $name]]	434	=item cf::get_slot $time[, $priority[, $name]]
329		435
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		444
339	=cut	445	=cut
340		446
341	our @SLOT_QUEUE;	447	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
343		450
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
346	my $signal = new Coro::Signal;	455	my $signal = new Coro::Signal;
		456	my $busy;
347		457
348	while () {	458	while () {
349	next_job:	459	next_job:
		460
350	my $avail = cf::till_tick;	461	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	462
352	for (0 .. $#SLOT_QUEUE) {	463	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	466	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	467	$job->[2]->send;
356	Coro::cede;	468	Coro::cede;
357	goto next_job;	469	goto next_job;
358	}	470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	472	}
360	}	473	}
361		474
362	if (@SLOT_QUEUE) {	475	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	477	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	478	$signal->wait;
366	} else {	479	} else {
		480	$busy = 0;
367	Coro::schedule;	481	Coro::schedule;
368	}	482	}
369	}	483	}
370	};	484	};
371		485
372	sub get_slot($;$$) {	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
373	my ($time, $pri, $name) = @_;	489	my ($time, $pri, $name) = @_;
374		490
375	$time = $TICK * .6 if $time > $TICK * .6;	491	$time = clamp $time, 0.01, $TICK * .6;
		492
376	my $sig = new Coro::Signal;	493	my $sig = new Coro::Signal;
377		494
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	497	$SLOT_QUEUE->ready;
…		…
391		508
392	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
393		510
394	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
395		512
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	516	acceptable.
400		517
401	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	523	=cut
407		524
408	sub sync_job(&) {	525	sub sync_job(&) {
409	my ($job) = @_;	526	my ($job) = @_;
410		527
411	if ($Coro::current == $Coro::main) {	528	if (in_main) {
412	my $time = Event::time;	529	my $time = AE::time;
413		530
414	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
416		533
417	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	535
419	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
420		537
421	my $busy = 1;	538	my $busy = 1;
422	my @res;	539	my @res;
423		540
424	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	543	@res = eval { $job->() };
426	warn $@ if $@;	544	error $@ if $@;
427	undef $busy;	545	undef $busy;
428	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
429		547
430	while ($busy) {	548	while ($busy) {
431	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
432	}	553	}
		554	}
433		555
434	$time = Event::time - $time;	556	my $time = AE::time - $time;
435		557
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
440		559
441	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
442	} else {	561	} else {
443	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
444		563
…		…
469	=item fork_call { }, $args	588	=item fork_call { }, $args
470		589
471	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
475		594
476	=cut	595	=cut
		596
		597	sub post_fork {
		598	reset_signals;
		599	}
477		600
478	sub fork_call(&@) {	601	sub fork_call(&@) {
479	my ($cb, @args) = @_;	602	my ($cb, @args) = @_;
480		603
481	# we seemingly have to make a local copy of the whole thing,	604	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	605	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	606	# TODO: investigate and fix (likely this will be rather laborious)
484		607
485	my @res = Coro::Util::fork_eval {	608	my @res = Coro::Util::fork_eval {
486	reset_signals;	609	cf::post_fork;
487	&$cb	610	&$cb
488	}, @args;	611	}, @args;
489		612
490	wantarray ? @res : $res[-1]	613	wantarray ? @res : $res[-1]
491	}	614	}
492		615
		616	sub objinfo {
		617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
493	=item $value = cf::db_get $family => $key	654	=item $value = cf::db_get $family => $key
494		655
495	Returns a single value from the environment database.	656	Returns a single value from the environment database.
496		657
497	=item cf::db_put $family => $key => $value	658	=item cf::db_put $family => $key => $value
498		659
499	Stores the given C<$value> in the family. It can currently store binary	660	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
502	=cut	668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
503		689
504	our $DB;	690	our $DB;
505		691
506	sub db_init {	692	sub db_init {
507	unless ($DB) {	693	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	694	}
522		695
523	sub db_get($$) {	696	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	697	my $key = "$_[0]/$_[1]";
525		698
526	cf::sync_job {	699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
527	BDB::db_get $DB, undef, $key, my $data;	702	BDB::db_get $DB, undef, $key, my $data;
528		703
529	$! ? ()	704	$! ? ()
530	: $data	705	: $data
531	}
532	}	706	}
533		707
534	sub db_put($$$) {	708	sub db_put($$$) {
535	BDB::dbreq_pri 4;	709	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	749	if (1) {
576	$md5 =	750	$md5 =
577	join "\x00",	751	join "\x00",
578	$processversion,	752	$processversion,
579	map {	753	map {
580	Coro::cede;	754	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	755	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	756	} 0.. $#$src;
583		757
584		758
585	my $dbmd5 = db_get cache => "$id/md5";	759	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		766
593	my $t1 = Time::HiRes::time;	767	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	768	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	769	my $t2 = Time::HiRes::time;
596		770
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		772
599	db_put cache => "$id/data", $data;	773	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	774	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	775	db_put cache => "$id/meta", $meta;
602		776
…		…
612		786
613	=cut	787	=cut
614		788
615	sub datalog($@) {	789	sub datalog($@) {
616	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	792	}
619		793
620	=back	794	=back
621		795
622	=cut	796	=cut
623		797
624	#############################################################################	798	#############################################################################
625		799
626	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
627		801
628	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
631		805
632	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	808	Deliantra).
635		809
636	=over 4	810	=over 4
637		811
638	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
639		813
…		…
683	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
684		858
685	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
687		861
688	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
690		864
691	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
692		866
693	=over 4	867	=over 4
…		…
817		991
818	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		994
821	} elsif (ref $type) {	995	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
823		997
824	} else {	998	} else {
825	shift @arg;	999	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
827	}	1001	}
828	}	1002	}
829	}	1003	}
830		1004
831	sub _object_attach {	1005	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
842	}	1016	}
843		1017
844	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
845	} else {	1019	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1021	}
848		1022
849	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
850	}	1024	}
851		1025
…		…
910		1084
911	for (@$callbacks) {	1085	for (@$callbacks) {
912	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
913		1087
914	if ($@) {	1088	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1090	override;
918	}	1091	}
919		1092
920	return 1 if $override;	1093	return 1 if $override;
921	}	1094	}
922		1095
923	0	1096	0
924	}	1097	}
925		1098
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1100
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1102
930	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
931		1104
…		…
937		1110
938	=cut	1111	=cut
939		1112
940	#############################################################################	1113	#############################################################################
941	# object support	1114	# object support
942	#
943		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
944	sub _can_merge {	1149	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1150	my ($ob1, $ob2) = @_;
946		1151
947	local $Storable::canonical = 1;	1152	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1153
951	$fob1 eq $fob2	1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
952	}	1156	}
953		1157
954	sub reattach {	1158	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1160	my ($obj) = @_;
957		1161
		1162	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1164
960	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
961		1166
962	@$registry = ();	1167	@$registry = ();
963		1168
…		…
968	for (@$attach) {	1173	for (@$attach) {
969	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
971	}	1176	}
972	} else {	1177	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1179	}
975	}	1180	}
976	}	1181	}
977		1182
978	cf::attachable->attach (	1183	cf::attachable->attach (
979	prio => -1000000,	1184	prio => -1000000,
980	on_instantiate => sub {	1185	on_instantiate => sub {
981	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
982		1187
983	$data = from_json $data;	1188	$data = decode_json $data;
984		1189
985	for (@$data) {	1190	for (@$data) {
986	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
987		1192
988	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1209	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
1006		1211
1007	sync_job {	1212	sync_job {
1008	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
1011		1218
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
1016	close $fh;	1226	aio_close $fh;
1017		1227
1018	if (@$objs) {	1228	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
1024	close $fh;	1237	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1239	}
1027	} else {	1240	} else {
1028	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
1029	}	1242	}
1030		1243
1031	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1248	} else {
1033	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
1034	}	1250	}
1035	} else {	1251	} else {
1036	aio_unlink $filename;	1252	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
1038	}	1254	}
1039	}	1255	};
1040	}	1256	}
1041		1257
1042	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
1044		1260
…		…
1056	or return;	1272	or return;
1057		1273
1058	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1276	or return;
		1277
1061	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
1062	}	1280	}
1063		1281
		1282	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
1066	return ($data, $av);	1287	($data, $av)
1067	}	1288	}
1068		1289
1069	=head2 COMMAND CALLBACKS	1290	=head2 COMMAND CALLBACKS
1070		1291
1071	=over 4	1292	=over 4
…		…
1125	my ($name, $cb) = @_;	1346	my ($name, $cb) = @_;
1126		1347
1127	$EXTICMD{$name} = $cb;	1348	$EXTICMD{$name} = $cb;
1128	}	1349	}
1129		1350
		1351	use File::Glob ();
		1352
1130	cf::player->attach (	1353	cf::player->attach (
1131	on_command => sub {	1354	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
1133		1356
1134	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
1135	or return;	1358	or return;
1136		1359
…		…
1149	my ($type, $reply, @payload) =	1372	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1373	"ARRAY" eq ref $msg
1151	? @$msg	1374	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1376
		1377	my @reply;
		1378
1154	if (my $cb = $EXTCMD{$type}) {	1379	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1380	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
1160	} else {	1386	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1388	}
1163		1389
1164	cf::override;	1390	cf::override;
1165	},	1391	},
1166	);	1392	);
1167		1393
		1394	# "readahead" all extensions
		1395	sub cache_extensions {
		1396	my $grp = IO::AIO::aio_group;
		1397
		1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1399	for (grep /\.ext$/, @{$_[0]}) {
		1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1401	}
		1402	};
		1403
		1404	$grp
		1405	}
		1406
1168	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
1169	cf::sync_job {	1410	cf::sync_job {
1170	my %todo;	1411	my %todo;
1171		1412
1172	for my $path (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1414	next unless -r $path;
…		…
1191		1432
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1435
1195	$ext{source} =	1436	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1437	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1438	. "#line 1 \"$path\"\n{\n"
1198	. $source	1439	. $source
1199	. "\n};\n1";	1440	. "\n};\n1";
1200		1441
1201	$todo{$base} = \%ext;	1442	$todo{$base} = \%ext;
1202	}	1443	}
1203		1444
		1445	my $pass = 0;
1204	my %done;	1446	my %done;
1205	while (%todo) {	1447	while (%todo) {
1206	my $progress;	1448	my $progress;
1207		1449
		1450	++$pass;
		1451
		1452	ext:
1208	while (my ($k, $v) = each %todo) {	1453	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1454	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1455	next ext
1211	unless exists $done{$_};	1456	unless exists $done{$_};
1212	}	1457	}
1213		1458
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1460
1216	unless (eval $v->{source}) {	1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1464	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1467	if exists $v->{meta}{mandatory};
1221	warn $msg;	1468
1222	warn "mandatory extension failed to load, exiting.\n";	1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1470	delete $todo{$k};
1224	}	1471	} else {
1225		1472	$done{$k} = delete $todo{$k};
1226	warn $msg;	1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
1227	}	1478	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1479	}
1233		1480
1234	skip:	1481	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
1237	}	1489	}
1238	};	1490	};
1239	}	1491	}
1240		1492
1241	#############################################################################	1493	#############################################################################
1242		1494
1243	=back	1495	=back
1244		1496
1245	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1246		1498
1247	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1248		1500
1249	=cut	1501	=cut
1250		1502
1251	package cf::player;	1503	package cf::player;
1252		1504
1253	use Coro::AIO;	1505	use Coro::AIO;
1254		1506
1255	=head3 cf::player	1507	=head3 cf::player
1256		1508
1257	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1258		1524
1259	=item cf::player::find $login	1525	=item cf::player::find $login
1260		1526
1261	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1262		1528
…		…
1281		1547
1282	sub exists($) {	1548	sub exists($) {
1283	my ($login) = @_;	1549	my ($login) = @_;
1284		1550
1285	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1287	}	1553	}
1288		1554
1289	sub find($) {	1555	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1557	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1568
1303	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1306	}	1578	}
1307	}	1579	}
1308	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1309		1594
1310	sub save($) {	1595	sub save($) {
1311	my ($pl) = @_;	1596	my ($pl) = @_;
1312		1597
1313	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1319		1604
1320	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1322		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1323	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1324	Coro::cede;	1614	cf::cede_to_tick;
1325	}	1615	}
1326		1616
1327	sub new($) {	1617	sub new($) {
1328	my ($login) = @_;	1618	my ($login) = @_;
1329		1619
…		…
1358	my ($pl) = @_;	1648	my ($pl) = @_;
1359		1649
1360	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1361		1651
1362	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1654
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1369		1663
1370	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1701	or return [];
1408		1702
1409	my @logins;	1703	my @logins;
1410		1704
1411	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1415		1715
1416	utf8::decode $login;	1716	utf8::decode $login;
1417	push @logins, $login;	1717	push @logins, $login;
1418	}	1718	}
1419		1719
1420	\@logins	1720	\@logins
1421	}	1721	}
1422		1722
1423	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1424		1726
1425	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1426	player. May block.	1728	player. May block.
1427		1729
1428	=cut	1730	=cut
…		…
1446	}	1748	}
1447		1749
1448	\@paths	1750	\@paths
1449	}	1751	}
1450		1752
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1754
1453	Expand crossfire pod fragments into protocol xml.	1755	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1756
1501	=item $player->ext_reply ($msgid, @msg)	1757	=item $player->ext_reply ($msgid, @msg)
1502		1758
1503	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1504		1760
…		…
1536		1792
1537	=cut	1793	=cut
1538		1794
1539	sub find_by_path($) {	1795	sub find_by_path($) {
1540	my ($path) = @_;	1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
1541		1799
1542	my ($match, $specificity);	1800	my ($match, $specificity);
1543		1801
1544	for my $region (list) {	1802	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1803	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1573		1831
1574	sub generate_random_map {	1832	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1576	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1577	$self->_create_random_map (	1838	$self->_create_random_map (
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1599		1860
1600	sub register {	1861	sub register {
1601	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1863	my $pkg = caller;
1603		1864
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1866
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1868	}
1609		1869
1610	# also paths starting with '/'	1870	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1872
1613	sub thawer_merge {	1873	sub thawer_merge {
1614	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1615		1875
1616	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
…		…
1621	}	1881	}
1622		1882
1623	sub normalise {	1883	sub normalise {
1624	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1625		1885
1626	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1627		1887
1628	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1629		1889
1630	# map plan:	1890	# map plan:
1631	#	1891	#
…		…
1670	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1671	return $self;	1931	return $self;
1672	}	1932	}
1673	}	1933	}
1674		1934
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	1936	()
1677	}	1937	}
1678		1938
1679	sub init {	1939	sub init {
1680	my ($self) = @_;	1940	my ($self) = @_;
…		…
1702		1962
1703	# the temporary/swap location	1963	# the temporary/swap location
1704	sub save_path {	1964	sub save_path {
1705	my ($self) = @_;	1965	my ($self) = @_;
1706		1966
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1709	}	1969	}
1710		1970
1711	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1712	sub uniq_path {	1972	sub uniq_path {
1713	my ($self) = @_;	1973	my ($self) = @_;
1714		1974
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	1977	}
1727		1978
1728	sub decay_objects {	1979	sub decay_objects {
1729	my ($self) = @_;	1980	my ($self) = @_;
1730		1981
…		…
1743		1994
1744	sub load_header_from($) {	1995	sub load_header_from($) {
1745	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1746		1997
1747	utf8::encode $path;	1998	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1753		2007
1754	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1755		2009
1756	1	2010	1
1757	}	2011	}
…		…
1809		2063
1810	sub find;	2064	sub find;
1811	sub find {	2065	sub find {
1812	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1813		2067
		2068	cf::cede_to_tick;
		2069
1814	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1815		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2074
1818	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1821	or return;	2077	or return;
1822		2078
1823	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1824		2080
…		…
1826	or return;	2082	or return;
1827		2083
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1831	$map->reset;	2089	$map->reset;
1832	undef $guard;
1833	return find $path;	2090	return find $path;
1834	}	2091	}
1835		2092
1836	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1837	}	2094	}
1838	}	2095	}
1839		2096
1840	sub pre_load { }	2097	sub pre_load { }
1841	sub post_load { }	2098	#sub post_load { } # XS
1842		2099
1843	sub load {	2100	sub load {
1844	my ($self) = @_;	2101	my ($self) = @_;
1845		2102
1846	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1847		2104
1848	my $path = $self->{path};	2105	my $path = $self->{path};
1849		2106
1850	{	2107	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1852		2109
		2110	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2112
1855	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1856		2114
1857	$self->alloc;	2115	$self->alloc;
1858		2116
1859	$self->pre_load;	2117	$self->pre_load;
1860	Coro::cede;	2118	cf::cede_to_tick;
1861		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1863	or return;	2123	or return;
1864		2124
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1866	if delete $self->{load_original};	2126	if delete $self->{load_original};
1867		2127
1868	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2129	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2132	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1873	}	2136	}
1874	}	2137	}
1875		2138
1876	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1877	# now do the right thing for maps	2142	# now do the right thing for maps
1878	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2145	unless $self->difficulty;
1881	Coro::cede;	2146	cf::cede_to_tick;
1882		2147
1883	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2149	$self->decay_objects;
1885	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1886	$self->update_buttons;	2151	$self->update_buttons;
1887	Coro::cede;	2152	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2153	$self->activate;
1891	}	2154	}
1892		2155
1893	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2157	$self->last_access ($cf::RUNTIME);
1895		2158
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2160	}
1898		2161
1899	$self->post_load;	2162	$self->post_load;
1900	}	2163	}
1901		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2168	sub customise_for {
1903	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1904		2170
1905	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2172	if $self->per_player;
…		…
1922	or next;	2188	or next;
1923	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1924	or next;	2190	or next;
1925	$neigh->load;	2191	$neigh->load;
1926		2192
		2193	# now find the diagonal neighbours
1927	push @neigh,	2194	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2197	}
1931		2198
…		…
1938	}	2205	}
1939		2206
1940	sub find_sync {	2207	sub find_sync {
1941	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1942		2209
1943	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1944	}	2214	}
1945		2215
1946	sub do_load_sync {	2216	sub do_load_sync {
1947	my ($map) = @_;	2217	my ($map) = @_;
1948		2218
1949	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1950	}	2223	}
1951		2224
1952	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1954		2227
1955	sub find_async {	2228	sub find_async {
1956	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1957		2230
1958	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1959		2232
1960	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2235	}
1963		2236
1964	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1965	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1966	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2244	if (my $map = find $k) {
1969	$map->load;	2245	$map->load if $v;
1970	}	2246	}
1971		2247
1972	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1973	}	2249	}
1974	}	2250	}
1975	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1976	};	2252	};
1977	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1978		2254
1979	()	2255	()
1980	}	2256	}
1981		2257
		2258	# common code, used by both ->save and ->swapout
1982	sub save {	2259	sub _save {
1983	my ($self) = @_;	2260	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2261
1987	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1988		2263
1989	return unless $self->dirty;	2264	return unless $self->dirty;
1990		2265
…		…
1996	return if $self->{deny_save};	2271	return if $self->{deny_save};
1997		2272
1998	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1999		2274
2000	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
2002	};	2278	};
		2279
		2280	cf::get_slot 0.02;
2003		2281
2004	if ($uniq) {	2282	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2285	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2287	}
2010	}	2288	}
2011		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
2012	sub swap_out {	2298	sub swap_out {
2013	my ($self) = @_;	2299	my ($self) = @_;
2014		2300
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
2020	return if $self->players;	2305	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
2024	$self->clear;	2316	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2317	}
2027		2318
2028	sub reset_at {	2319	sub reset_at {
2029	my ($self) = @_;	2320	my ($self) = @_;
2030		2321
…		…
2048		2339
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2341
2051	return if $self->players;	2342	return if $self->players;
2052		2343
2053	warn "resetting map ", $self->path;	2344	cf::trace "resetting map ", $self->path, "\n";
2054		2345
2055	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
2056		2347
2057	# need to save uniques path	2348	# need to save uniques path
2058	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2353	if $uniq;
2063	}	2354	}
2064		2355
2065	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2066		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2360	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2361
2071	$self->unlink_save;	2362	$self->unlink_save;
2072	$self->destroy;	2363	$self->destroy;
2073	}	2364	}
2074		2365
2075	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
2076		2367
2077	sub nuke {	2368	sub nuke {
2078	my ($self) = @_;	2369	my ($self) = @_;
2079		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
2080	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
2081		2375
2082	$self->unlink_save;	2376	$self->unlink_save;
2083		2377
2084	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2383
2090	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
2091		2386
2092	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
2093	}	2388	}
2094		2389
2095	=item $maps = cf::map::tmp_maps	2390	=item $maps = cf::map::tmp_maps
…		…
2137		2432
2138	sub unique_maps() {	2433	sub unique_maps() {
2139	[	2434	[
2140	map {	2435	map {
2141	utf8::decode $_;	2436	utf8::decode $_;
2142	/\.map$/	2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
2143	? normalise $_	2440	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2441	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2442	]
2147	}	2443	}
2148		2444
2149	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
2150		2476
2151	=back	2477	=back
2152		2478
2153	=head3 cf::object	2479	=head3 cf::object
2154		2480
…		…
2158		2484
2159	=over 4	2485	=over 4
2160		2486
2161	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
2162		2488
2163	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
2164		2491
2165	=cut	2492	=cut
2166		2493
2167	sub inv_recursive_;	2494	sub inv_recursive_;
2168	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
2171		2498
2172	sub inv_recursive {	2499	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
2174	}	2501	}
2175		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
2176	package cf;	2531	package cf;
2177		2532
2178	=back	2533	=back
2179		2534
2180	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
2189		2544
2190	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
2191		2560
2192	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2562	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2576	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2578
2210	} else {	2579	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2582	}
2214	}	2583	}
2215	}	2584	}
2216		2585
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2611
2243	=item $player_object->enter_link	2612	=item $player_object->enter_link
2244		2613
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2615
2247	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
2249		2620
2250	Will never block.	2621	Will never block.
2251		2622
2252	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
2253		2624
…		…
2273	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2645	my ($self) = @_;
2275		2646
2276	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
2277		2648
		2649	++$self->{_link_recursion};
		2650
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2652
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
2282		2655
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2657	}
2285		2658
2286	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
2288		2661
…		…
2305	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
2307		2680
2308	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
2311		2684
2312	$map->load;	2685	$map->load;
2313	$map->load_neighbours;	2686	$map->load_neighbours;
2314		2687
2315	return unless $self->contr->active;	2688	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2689
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
2320	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
2321		2697
		2698	}
		2699
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2701
2324	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2705	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2706	be called at the end of this process.
2329		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
2330	=cut	2711	=cut
2331		2712
2332	our $GOTOGEN;	2713	our $GOTOGEN;
2333		2714
2334	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
2337	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2726
2340	$self->enter_link;	2727	$self->enter_link;
2341		2728
2342	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
2343	my $map = eval {	2751	my $map = eval {
2344	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
2345		2753
2346	if ($map) {	2754	if ($map) {
2347	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2757	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2759	}
2352		2760
2353	$map	2761	$map
2354	};	2762	};
2355		2763
…		…
2361	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
2364	}	2772	}
2365		2773
2366	$done->() if $done;	2774	$done->($self) if $done;
2367	})->prio (1);	2775	})->prio (1);
2368	}	2776	}
2369		2777
2370	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
2371		2779
…		…
2391	}	2799	}
2392		2800
2393	sub prepare_random_map {	2801	sub prepare_random_map {
2394	my ($exit) = @_;	2802	my ($exit) = @_;
2395		2803
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2806	# that depends on the exit object
2401		2807
2402	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2810	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2409	}	2817	}
2410		2818
2411	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2412		2820
2413	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2416		2824
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2827	undef $fh;
2420	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2421		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2424	}	2836	}
2425	}	2837	}
2426		2838
2427	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2429		2841
2430	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2431		2843
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2844	$self->enter_link;
2444		2845
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2846	(async {
2450	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2451	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2452	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2453		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2454	1;	2870	1
2455	}) {	2871	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2876
2461	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2878	$self->leave_link;
2463	}	2879	}
2464	})->prio (1);	2880	})->prio (1);
2465	}	2881	}
2466		2882
…		…
2478	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
2480		2896
2481	utf8::encode $text;	2897	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2899	}
		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
2483	}	2924	}
2484		2925
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2927
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2928	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2930	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2931	the message unless the client supports the msg packet.
2491		2932
2492	=cut	2933	=cut
2493		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
2494	sub cf::client::send_msg {	3049	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3050	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3051
2497	$msg = $self->pl->expand_cfpod ($msg);	3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
2498		3054
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
2501	if (ref $channel) {	3064	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3065	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3066	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3067	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3068	$self->ext_msg (channel_info => $channel);
2506	}	3069	}
…		…
2508	$channel = $channel->{id};	3071	$channel = $channel->{id};
2509	}	3072	}
2510		3073
2511	return unless @extra || length $msg;	3074	return unless @extra || length $msg;
2512		3075
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3076	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3078	if $color & cf::NDI_DEF;
2517		3079
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3083	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3084
2532	$color &= cf::NDI_COLOR_MASK;	3085	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3086	}
2546		3087
2547	=item $client->ext_msg ($type, @msg)	3088	=item $client->ext_msg ($type, @msg)
2548		3089
2549	Sends an ext event to the client.	3090	Sends an ext event to the client.
…		…
2551	=cut	3092	=cut
2552		3093
2553	sub cf::client::ext_msg($$@) {	3094	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3095	my ($self, $type, @msg) = @_;
2555		3096
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3097	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3099	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3100	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3102	}
2564	}	3103	}
2565		3104
2566	=item $client->ext_reply ($msgid, @msg)	3105	=item $client->ext_reply ($msgid, @msg)
2567		3106
…		…
2571		3110
2572	sub cf::client::ext_reply($$@) {	3111	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3112	my ($self, $id, @msg) = @_;
2574		3113
2575	if ($self->extcmd == 2) {	3114	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3116	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3117	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3118	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3120	}
2582	}	3121	}
2583		3122
2584	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2585		3124
…		…
2646	my ($type, $reply, @payload) =	3185	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3186	"ARRAY" eq ref $msg
2648	? @$msg	3187	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3189
		3190	my @reply;
		3191
2651	if (my $cb = $EXTICMD{$type}) {	3192	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3193	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
2657	} else {	3199	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3201	}
2660		3202
2661	cf::override;	3203	cf::override;
2662	},	3204	},
2663	);	3205	);
…		…
2683		3225
2684	$coro	3226	$coro
2685	}	3227	}
2686		3228
2687	cf::client->attach (	3229	cf::client->attach (
2688	on_destroy => sub {	3230	on_client_destroy => sub {
2689	my ($ns) = @_;	3231	my ($ns) = @_;
2690		3232
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3234	},
2693	);	3235	);
…		…
2709	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2710		3252
2711	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2712		3254
2713	$safe->permit_only (Opcode::opset qw(	3255	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3256	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3257	grepstart grepwhile mapstart mapwhile
2716	sort time	3258	sort time
2717	));	3259	));
2718		3260
2719	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
…		…
2721	=pod	3263	=pod
2722		3264
2723	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2724		3266
2725	cf::object	3267	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3268	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3269	insert remove name archname title slaying race decrease split
		3270	value
2728		3271
2729	cf::object::player	3272	cf::object::player
2730	player	3273	player
2731		3274
2732	cf::player	3275	cf::player
…		…
2737		3280
2738	=cut	3281	=cut
2739		3282
2740	for (	3283	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2746	) {	3290	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3293	for @funs;
2751	}	3294	}
2752		3295
…		…
2767		3310
2768	my $qcode = $code;	3311	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2771		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2772	local $_;	3318	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3319
2775	my $eval =	3320	my $eval =
2776	"do {\n"	3321	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3324	. $code
2780	. "\n}"	3325	. "\n}"
2781	;	3326	;
2782		3327
		3328	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2786		3337
2787	if ($@) {	3338	if ($@) {
2788	warn "$@";	3339	warn "$@",
2789	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2791	}	3342	}
2792		3343
2793	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2794	}	3345	}
2795		3346
…		…
2809	=cut	3360	=cut
2810		3361
2811	sub register_script_function {	3362	sub register_script_function {
2812	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2813		3364
2814	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2816	}	3367	}
2817		3368
2818	=back	3369	=back
2819		3370
2820	=cut	3371	=cut
…		…
2823	# the server's init and main functions	3374	# the server's init and main functions
2824		3375
2825	sub load_facedata($) {	3376	sub load_facedata($) {
2826	my ($path) = @_;	3377	my ($path) = @_;
2827		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
2828	my $enc = JSON::XS->new->utf8->canonical;	3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3384
2830	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2831		3386
2832	my $facedata;
2833	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2834	or die "$path: $!";	3388	or die "$path: $!";
2835		3389
2836	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2837		3391
2838	$facedata->{version} == 2	3392	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3394
2841	# patch in the exptable	3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3397	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3398	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
2845	};	3401	};
2846	cf::cede_to_tick;	3402	cf::cede_to_tick;
2847		3403
2848	{	3404	{
2849	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2850		3406
2851	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2853	cf::face::set_visibility $idx, $info->{visibility};	3410	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3411	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2857		3414
2858	cf::cede_to_tick;	3415	cf::cede_to_tick;
2859	}	3416	}
2860		3417
2861	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2863	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2864	or next;	3422	or next;
		3423
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3425	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3427	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3429	}
2871		3430
2872	cf::cede_to_tick;	3431	cf::cede_to_tick;
2873	}	3432	}
2874	}	3433	}
…		…
2883		3442
2884	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2885	}	3444	}
2886		3445
2887	{	3446	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3447	my $res = $facedata->{resource};
2891		3448
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3452
2898	if ($info->{type} & 1) {	3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3454	cf::face::set_type $idx, $info->{type};
2900
2901	my $meta = $enc->encode ({
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3455	} else {
2908	$data = $info->{data};	3456	$RESOURCE{$name} = $info; # unused
2909	}	3457	}
2910		3458
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;	3459	cf::cede_to_tick;
2915	}	3460	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935		3464
2936	1	3465	1
2937	}	3466	}
2938		3467
2939	register_exticmd fx_want => sub {	3468	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3471	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3472	$ns->fx_want ($k, $v);
2944	}	3473	}
2945	};	3474	};
2946		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2947	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2948	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
2950		3493
2951	for (cf::region::list) {	3494	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3495	$_->{match} = qr/$_->{match}/
…		…
2960	}	3503	}
2961		3504
2962	sub reload_archetypes {	3505	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3506	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3507	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references
2966	# this really needs to be done in an extra post-pass
2967	# (which needs to be synchronous, so solve it differently)
2968	load_resource_file "$DATADIR/archetypes"
2969	or die "unable to load archetypes\n";
2970	}	3508	}
2971		3509
2972	sub reload_treasures {	3510	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2975	}	3513	}
2976		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2977	sub reload_resources {	3538	sub reload_resources {
2978	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2979		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2980	reload_regions;	3546	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3547	reload_treasures;
2985		3548
2986	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2987	}	3550	}
2988		3551
2989	sub init {	3552	sub reload_config {
2990	reload_resources;	3553	trace "reloading config file...\n";
2991	}
2992		3554
2993	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2995	or return;
2996		3557
2997	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2998	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2999		3562
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3564
3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3004		3567
3005	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
3009	};	3572	};
3010	warn $@ if $@;	3573	warn $@ if $@;
3011	}	3574	}
3012	}	3575	}
3013		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
3014	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
3015	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3018	(async {	3618	(async {
3019	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
3021	};	3622	};
3022		3623
3023	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
3024	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
3025	load_extensions;	3647	load_extensions;
3026		3648
3027	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
3028	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
3029	}	3667	}
3030		3668
3031	#############################################################################	3669	#############################################################################
3032	# initialisation and cleanup	3670	# initialisation and cleanup
3033		3671
3034	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
3035	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
3044	},
3045	);	3678	};
3046	}	3679	}
3047	}	3680	}
3048		3681
3049	sub write_runtime {	3682	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	3683	my $t0 = AE::time;
3051		3684
3052	# first touch the runtime file to show we are still running:	3685	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	3686	# the fsync below can take a very very long time.
3054		3687
3055	IO::AIO::aio_utime $runtime, undef, undef;	3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		3689
3057	my $guard = cf::lock_acquire "write_runtime";	3690	my $guard = cf::lock_acquire "write_runtime";
3058		3691
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	3693	or return;
3061		3694
3062	my $value = $cf::RUNTIME + 90 + 10;	3695	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	3696	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	3697	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	3707	aio_utime $fh, undef, undef;
3075		3708
3076	close $fh	3709	close $fh
3077	or return;	3710	or return;
3078		3711
3079	aio_rename "$runtime~", $runtime	3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	3713	and return;
3081		3714
3082	warn "runtime file written.\n";	3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		3716
3084	1	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
3085	}	3768	}
3086		3769
3087	sub emergency_save() {	3770	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
3089		3772
3090	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
3091		3779
3092	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
3093	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	3791	$pl->save;
3101	}	3792	}
3102	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
3103		3794
3104	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
3105	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	3800	$map->valid or next;
3108	$map->save;	3801	$map->save;
3109	}	3802	}
3110	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
3111		3804
3112	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
3114	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
3115	};	3833	};
3116		3834
3117	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
3118	}	3836	}
3119		3837
3120	sub post_cleanup {	3838	sub post_cleanup {
3121	my ($make_core) = @_;	3839	my ($make_core) = @_;
3122		3840
		3841	IO::AIO::flush;
		3842
3123	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
3124	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
3125	}	3873	}
3126		3874
3127	sub do_reload_perl() {	3875	sub do_reload_perl() {
3128	# can/must only be called in main	3876	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
3130	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
3131	return;	3879	return;
3132	}	3880	}
3133		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
3134	warn "reloading...";	3888	info "reloading...";
3135		3889
3136	warn "entering sync_job";	3890	trace "entering sync_job";
3137		3891
3138	cf::sync_job {	3892	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	3893	#cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		3894
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	3897	%EXT_CORO = ();
3167		3898
3168	warn "removing commands";	3899	trace "removing commands";
3169	%COMMAND = ();	3900	%COMMAND = ();
3170		3901
3171	warn "removing ext/exti commands";	3902	trace "removing ext/exti commands";
3172	%EXTCMD = ();	3903	%EXTCMD = ();
3173	%EXTICMD = ();	3904	%EXTICMD = ();
3174		3905
3175	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
3178		3909
3179	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
3180	eval {	3911	eval {
3181	$cb->($pkg);	3912	$cb->($pkg);
3182	1	3913	1
3183	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
3184	}	3919	}
3185		3920
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		3924
3194	warn "... unloading $k";	3925	trace "... unloading $k";
3195	delete $INC{$k};	3926	delete $INC{$k};
3196		3927
3197	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
3199		3930
3200	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
3202	}	3936	}
3203		3937
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3210		3941
3211	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		3945
3215	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
3216	# and global variables created in xs	3947	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
3218		3949
3219	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
3220		3951
3221	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
3222	require cf;	3953	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
3224		3955
3225	warn "loading config and database again";	3956	trace "loading config and database again";
3226	cf::cfg_load;	3957	cf::reload_config;
3227		3958
3228	warn "loading extensions";	3959	trace "loading extensions";
3229	cf::load_extensions;	3960	cf::load_extensions;
3230		3961
		3962	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
3234	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
3237		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
3238	warn "leaving sync_job";	3974	trace "leaving sync_job";
3239		3975
3240	1	3976	1
3241	} or do {	3977	} or do {
3242	warn $@;	3978	error $@;
3243	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
3244	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
3245	};	3984	}
3246		3985
3247	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
3248	};	3988	};
3249		3989
3250	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
3251		3991
3252	sub reload_perl() {	3992	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
3255		3995
3256	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	3998
3259	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4000	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
3263	},	4002	};
3264	);	4003	};
3265	}	4004	}
3266		4005
3267	register_command "reload" => sub {	4006	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
3269		4008
3270	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4013	reload_perl;
		4014	};
3273	}	4015	}
3274	};	4016	};
3275		4017
3276	unshift @INC, $LIBDIR;	4018	#############################################################################
3277		4019
3278	my $bug_warning = 0;	4020	my $bug_warning = 0;
3279		4021
3280	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
3282		4024
3283	sub wait_for_tick {	4025	sub wait_for_tick() {
3284	return unless $TICK_WATCHER->is_active;
3285	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3286		4027
3287	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
3288	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;	4030	$signal->wait;
3290	}	4031	}
3291		4032
3292	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3295		4035
3296	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4038	$signal->wait;
3299	}	4039	}
3300		4040
3301	my $min = 1e6;#d#	4041	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
3313	return;	4045	return;
3314	}	4046	}
3315		4047
3316	$NOW = $tick_start = Event::time;
3317
3318	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
3319		4049
3320	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3321	for(1..10) {
3322	my $t = Event::time;
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3324	or die;
3325		4051
3326	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3327	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3328	$map->alloc;	4054	Coro::async_pool {
3329	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
3330	my $t = Event::time - $t;	4056	write_runtime_sync
3331		4057	or error "ERROR: unable to write runtime file: $!";
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4058	};
		4059	}
3342		4060
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4062	$sig->send;
3359	}	4063	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
3361	$sig->send;	4065	$sig->send;
3362	}	4066	}
3363		4067
3364	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4070
3375	_post_tick;	4071	if (0) {
3376		4072	if ($NEXT_TICK) {
3377		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
3378	},	4077	}
3379	);	4078	}
3380		4079
3381	{	4080	{
3382	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4082
3384	reentrant => 0,
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
3392		4084	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4086
3408	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
3409	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3410		4094
3411	cf::sync_job {	4095	cf::sync_job {
3412	eval {	4096	eval {
3413	BDB::db_env_open	4097	BDB::db_env_open
3414	$DB_ENV,	4098	$DB_ENV,
…		…
3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4102	0666;
3419		4103
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4105	};
3425		4106
3426	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4108	};
3428	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
3429	}	4120	}
3430		4121
3431	{	4122	{
		4123	# configure IO::AIO
		4124
3432	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4128	}
3445		4129
3446	my $_log_backtrace;	4130	my $_log_backtrace;
3447		4131
3448	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
3451	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
3452		4136
3453	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3455	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3456	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3457	my @bt = fork_call {	4144	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3461	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3469	}	4156	}
3470		4157
3471	@funcs	4158	@funcs
3472	};	4159	};
3473		4160
3474	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4164	--$_log_backtrace;
3477	};	4165	};
3478	} else {	4166	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3481	}	4169	}
3482	}	4170	}
3483		4171
3484	# load additional modules	4172	# load additional modules
3485	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3486		4175
3487	END { cf::emergency_save }	4176	END { cf::emergency_save }
3488		4177
3489	1	4178	1
3490		4179

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