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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
265		387
266	=item cf::lock_wait $string	388	=item cf::lock_wait $string
267		389
268	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
269		391
270	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
271		393
272	Wait until the given lock is available and then acquires it and returns	394	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,	395	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	396	for example when the coroutine gets canceled), the lock is automatically
275	returned.	397	returned.
276		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
277	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
279		404
280	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
281		406
282	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
283		408
284	=cut	409	=cut
285		410
286	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
287		412
288	sub lock_wait($) {	413	sub lock_wait($) {
289	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	415	}
297		416
298	sub lock_acquire($) {	417	sub lock_acquire($) {
299	my ($key) = @_;	418	$LOCKS->guard ($_[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	}	419	}
311		420
312	sub lock_active($) {	421	sub lock_active($) {
313	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	423	}
317		424
318	sub freeze_mainloop {	425	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
320		427
321	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	429	}
323	};	430
324	$TICK_WATCHER->stop;	431	=item cf::periodic $interval, $cb
325	$guard	432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
326	}	444	}
327		445
328	=item cf::get_slot $time[, $priority[, $name]]	446	=item cf::get_slot $time[, $priority[, $name]]
329		447
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		456
339	=cut	457	=cut
340		458
341	our @SLOT_QUEUE;	459	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
343		462
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
346	my $signal = new Coro::Signal;	467	my $signal = new Coro::Signal;
		468	my $busy;
347		469
348	while () {	470	while () {
349	next_job:	471	next_job:
		472
350	my $avail = cf::till_tick;	473	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	474
352	for (0 .. $#SLOT_QUEUE) {	475	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	478	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	479	$job->[2]->send;
356	Coro::cede;	480	Coro::cede;
357	goto next_job;	481	goto next_job;
358	}	482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	484	}
360	}	485	}
361		486
362	if (@SLOT_QUEUE) {	487	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	489	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	490	$signal->wait;
366	} else {	491	} else {
		492	$busy = 0;
367	Coro::schedule;	493	Coro::schedule;
368	}	494	}
369	}	495	}
370	};	496	};
371		497
372	sub get_slot($;$$) {	498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
373	my ($time, $pri, $name) = @_;	501	my ($time, $pri, $name) = @_;
374		502
375	$time = $TICK * .6 if $time > $TICK * .6;	503	$time = clamp $time, 0.01, $TICK * .6;
		504
376	my $sig = new Coro::Signal;	505	my $sig = new Coro::Signal;
377		506
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	509	$SLOT_QUEUE->ready;
…		…
391		520
392	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
393		522
394	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
395		524
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	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	526	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	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	528	acceptable.
400		529
401	If it must be done, put the blocking parts into C<sync_job>. This will run	530	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	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	535	=cut
407		536
408	sub sync_job(&) {	537	sub sync_job(&) {
409	my ($job) = @_;	538	my ($job) = @_;
410		539
411	if ($Coro::current == $Coro::main) {	540	if (in_main) {
412	my $time = Event::time;	541	my $time = AE::time;
413		542
414	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
416		545
417	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	547
419	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
420		549
421	my $busy = 1;	550	my $busy = 1;
422	my @res;	551	my @res;
423		552
424	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	555	@res = eval { $job->() };
426	warn $@ if $@;	556	error $@ if $@;
427	undef $busy;	557	undef $busy;
428	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
429		559
430	while ($busy) {	560	while ($busy) {
431	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
432	}	565	}
		566	}
433		567
434	$time = Event::time - $time;	568	my $time = AE::time - $time;
435		569
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	570	$TICK_START += $time; # do not account sync jobs to server load
440		571
441	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
442	} else {	573	} else {
443	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
444		575
…		…
464	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
465		596
466	$coro	597	$coro
467	}	598	}
468		599
469	=item fork_call { }, $args	600	=item fork_call { }, @args
470		601
471	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
475		606
476	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
477		612
478	sub fork_call(&@) {	613	sub fork_call(&@) {
479	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
480		615
481	# we seemingly have to make a local copy of the whole thing,	616	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	617	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	618	# TODO: investigate and fix (likely this will be rather laborious)
484		619
485	my @res = Coro::Util::fork_eval {	620	my @res = Coro::Util::fork_eval {
486	reset_signals;	621	cf::post_fork;
487	&$cb	622	&$cb
488	}, @args;	623	} @args;
489		624
490	wantarray ? @res : $res[-1]	625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
		629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
491	}	664	}
492		665
493	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
494		667
495	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
498		671
499	Stores the given C<$value> in the family. It can currently store binary	672	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).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
502	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
503		701
504	our $DB;	702	our $DB;
505		703
506	sub db_init {	704	sub db_init {
507	unless ($DB) {	705	$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	}	706	}
522		707
523	sub db_get($$) {	708	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
525		710
526	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
527	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
528		715
529	$! ? ()	716	$! ? ()
530	: $data	717	: $data
531	}
532	}	718	}
533		719
534	sub db_put($$$) {	720	sub db_put($$$) {
535	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	761	if (1) {
576	$md5 =	762	$md5 =
577	join "\x00",	763	join "\x00",
578	$processversion,	764	$processversion,
579	map {	765	map {
580	Coro::cede;	766	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	768	} 0.. $#$src;
583		769
584		770
585	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		778
593	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	780	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
596		782
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		784
599	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
602		788
…		…
612		798
613	=cut	799	=cut
614		800
615	sub datalog($@) {	801	sub datalog($@) {
616	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	804	}
619		805
620	=back	806	=back
621		807
622	=cut	808	=cut
623		809
624	#############################################################################	810	#############################################################################
625		811
626	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
627		813
628	Many objects in crossfire are so-called attachable objects. That means you can	814	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")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
631		817
632	In the following description, CLASS can be any of C<global>, C<object>	818	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	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	820	Deliantra).
635		821
636	=over 4	822	=over 4
637		823
638	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
639		825
…		…
683	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
684		870
685	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
687		873
688	Some classes such as crossfire maps and objects can specify attachments	874	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.	875	that are attached at load/instantiate time, thus the need for a name.
690		876
691	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
692		878
693	=over 4	879	=over 4
…		…
817		1003
818	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1006
821	} elsif (ref $type) {	1007	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
823		1009
824	} else {	1010	} else {
825	shift @arg;	1011	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
827	}	1013	}
828	}	1014	}
829	}	1015	}
830		1016
831	sub _object_attach {	1017	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
842	}	1028	}
843		1029
844	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
845	} else {	1031	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1033	}
848		1034
849	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
850	}	1036	}
851		1037
…		…
910		1096
911	for (@$callbacks) {	1097	for (@$callbacks) {
912	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
913		1099
914	if ($@) {	1100	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1102	override;
918	}	1103	}
919		1104
920	return 1 if $override;	1105	return 1 if $override;
921	}	1106	}
922		1107
923	0	1108	0
924	}	1109	}
925		1110
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1112
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1114
930	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
931		1116
…		…
937		1122
938	=cut	1123	=cut
939		1124
940	#############################################################################	1125	#############################################################################
941	# object support	1126	# object support
942	#
943		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
944	sub _can_merge {	1161	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1162	my ($ob1, $ob2) = @_;
946		1163
947	local $Storable::canonical = 1;	1164	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1165
951	$fob1 eq $fob2	1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
952	}	1168	}
953		1169
954	sub reattach {	1170	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1172	my ($obj) = @_;
957		1173
		1174	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1176
960	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
961		1178
962	@$registry = ();	1179	@$registry = ();
963		1180
…		…
968	for (@$attach) {	1185	for (@$attach) {
969	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
971	}	1188	}
972	} else {	1189	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1191	}
975	}	1192	}
976	}	1193	}
977		1194
978	cf::attachable->attach (	1195	cf::attachable->attach (
979	prio => -1000000,	1196	prio => -1000000,
980	on_instantiate => sub {	1197	on_instantiate => sub {
981	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
982		1199
983	$data = from_json $data;	1200	$data = decode_json $data;
984		1201
985	for (@$data) {	1202	for (@$data) {
986	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
987		1204
988	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1221	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
1006		1223
1007	sync_job {	1224	sync_job {
1008	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
1011		1230
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
1016	close $fh;	1238	aio_close $fh;
1017		1239
1018	if (@$objs) {	1240	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
1024	close $fh;	1249	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1251	}
1027	} else {	1252	} else {
1028	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
1029	}	1254	}
1030		1255
1031	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1260	} else {
1033	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
1034	}	1262	}
1035	} else {	1263	} else {
1036	aio_unlink $filename;	1264	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
1038	}	1266	}
1039	}	1267	};
1040	}	1268	}
1041		1269
1042	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
1044		1272
…		…
1056	or return;	1284	or return;
1057		1285
1058	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1288	or return;
		1289
1061	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1062	}	1292	}
1063		1293
		1294	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1066	return ($data, $av);	1299	($data, $av)
1067	}	1300	}
1068		1301
1069	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1070		1303
1071	=over 4	1304	=over 4
…		…
1125	my ($name, $cb) = @_;	1358	my ($name, $cb) = @_;
1126		1359
1127	$EXTICMD{$name} = $cb;	1360	$EXTICMD{$name} = $cb;
1128	}	1361	}
1129		1362
		1363	use File::Glob ();
		1364
1130	cf::player->attach (	1365	cf::player->attach (
1131	on_command => sub {	1366	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1133		1368
1134	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1135	or return;	1370	or return;
1136		1371
…		…
1149	my ($type, $reply, @payload) =	1384	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1385	"ARRAY" eq ref $msg
1151	? @$msg	1386	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1388
		1389	my @reply;
		1390
1154	if (my $cb = $EXTCMD{$type}) {	1391	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1392	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1160	} else {	1398	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1400	}
1163		1401
1164	cf::override;	1402	cf::override;
1165	},	1403	},
1166	);	1404	);
1167		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1168	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1169	cf::sync_job {	1422	cf::sync_job {
1170	my %todo;	1423	my %todo;
1171		1424
1172	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1426	next unless -r $path;
…		…
1191		1444
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1447
1195	$ext{source} =	1448	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1198	. $source	1451	. $source
1199	. "\n};\n1";	1452	. "\n};\n1";
1200		1453
1201	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1202	}	1455	}
1203		1456
		1457	my $pass = 0;
1204	my %done;	1458	my %done;
1205	while (%todo) {	1459	while (%todo) {
1206	my $progress;	1460	my $progress;
1207		1461
		1462	++$pass;
		1463
		1464	ext:
1208	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1467	next ext
1211	unless exists $done{$_};	1468	unless exists $done{$_};
1212	}	1469	}
1213		1470
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1472
1216	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1221	warn $msg;	1480
1222	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1482	delete $todo{$k};
1224	}	1483	} else {
1225		1484	$done{$k} = delete $todo{$k};
1226	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1227	}	1490	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1491	}
1233		1492
1234	skip:	1493	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1237	}	1501	}
1238	};	1502	};
1239	}	1503	}
1240		1504
1241	#############################################################################	1505	#############################################################################
1242		1506
1243	=back	1507	=back
1244		1508
1245	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1246		1510
1247	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1248		1512
1249	=cut	1513	=cut
1250		1514
1251	package cf::player;	1515	package cf::player;
1252		1516
1253	use Coro::AIO;	1517	use Coro::AIO;
1254		1518
1255	=head3 cf::player	1519	=head3 cf::player
1256		1520
1257	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1258		1536
1259	=item cf::player::find $login	1537	=item cf::player::find $login
1260		1538
1261	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1262		1540
…		…
1281		1559
1282	sub exists($) {	1560	sub exists($) {
1283	my ($login) = @_;	1561	my ($login) = @_;
1284		1562
1285	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1287	}	1565	}
1288		1566
1289	sub find($) {	1567	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1569	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1580
1303	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1306	}	1590	}
1307	}	1591	}
1308	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1309		1606
1310	sub save($) {	1607	sub save($) {
1311	my ($pl) = @_;	1608	my ($pl) = @_;
1312		1609
1313	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1319		1616
1320	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1322		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1323	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1324	Coro::cede;	1626	cf::cede_to_tick;
1325	}	1627	}
1326		1628
1327	sub new($) {	1629	sub new($) {
1328	my ($login) = @_;	1630	my ($login) = @_;
1329		1631
…		…
1358	my ($pl) = @_;	1660	my ($pl) = @_;
1359		1661
1360	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1361		1663
1362	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1666
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1368	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1369		1675
1370	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1407	or return [];	1713	or return [];
1408		1714
1409	my @logins;	1715	my @logins;
1410		1716
1411	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1415		1727
1416	utf8::decode $login;	1728	utf8::decode $login;
1417	push @logins, $login;	1729	push @logins, $login;
1418	}	1730	}
1419		1731
1420	\@logins	1732	\@logins
1421	}	1733	}
1422		1734
1423	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1424		1738
1425	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1426	player. May block.	1740	player. May block.
1427		1741
1428	=cut	1742	=cut
…		…
1446	}	1760	}
1447		1761
1448	\@paths	1762	\@paths
1449	}	1763	}
1450		1764
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1766
1453	Expand crossfire pod fragments into protocol xml.	1767	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		1768
1501	=item $player->ext_reply ($msgid, @msg)	1769	=item $player->ext_reply ($msgid, @msg)
1502		1770
1503	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1504		1772
1505	=cut	1773	=cut
1506		1774
1507	sub ext_reply($$@) {	1775	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1776	my ($self, $id, @msg) = @_;
1509		1777
1510	if ($self->ns->extcmd == 2) {	1778	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1779	}
1518		1780
1519	=item $player->ext_msg ($type, @msg)	1781	=item $player->ext_msg ($type, @msg)
1520		1782
1521	Sends an ext event to the client.	1783	Sends an ext event to the client.
…		…
1542		1804
1543	=cut	1805	=cut
1544		1806
1545	sub find_by_path($) {	1807	sub find_by_path($) {
1546	my ($path) = @_;	1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
1547		1811
1548	my ($match, $specificity);	1812	my ($match, $specificity);
1549		1813
1550	for my $region (list) {	1814	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1815	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1579		1843
1580	sub generate_random_map {	1844	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1582	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1850	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1605		1872
1606	sub register {	1873	sub register {
1607	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1875	my $pkg = caller;
1609		1876
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1878
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1880	}
1615		1881
1616	# also paths starting with '/'	1882	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1884
1619	sub thawer_merge {	1885	sub thawer_merge {
1620	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1621		1887
1622	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1627	}	1893	}
1628		1894
1629	sub normalise {	1895	sub normalise {
1630	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1631		1897
1632	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1633		1899
1634	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1635		1901
1636	# map plan:	1902	# map plan:
1637	#	1903	#
…		…
1676	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1677	return $self;	1943	return $self;
1678	}	1944	}
1679	}	1945	}
1680		1946
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1948	()
1683	}	1949	}
1684		1950
1685	sub init {	1951	sub init {
1686	my ($self) = @_;	1952	my ($self) = @_;
…		…
1708		1974
1709	# the temporary/swap location	1975	# the temporary/swap location
1710	sub save_path {	1976	sub save_path {
1711	my ($self) = @_;	1977	my ($self) = @_;
1712		1978
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1715	}	1981	}
1716		1982
1717	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1718	sub uniq_path {	1984	sub uniq_path {
1719	my ($self) = @_;	1985	my ($self) = @_;
1720		1986
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1989	}
1733		1990
1734	sub decay_objects {	1991	sub decay_objects {
1735	my ($self) = @_;	1992	my ($self) = @_;
1736		1993
…		…
1749		2006
1750	sub load_header_from($) {	2007	sub load_header_from($) {
1751	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1752		2009
1753	utf8::encode $path;	2010	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1759		2019
1760	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1761		2021
1762	1	2022	1
1763	}	2023	}
…		…
1815		2075
1816	sub find;	2076	sub find;
1817	sub find {	2077	sub find {
1818	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1819		2079
		2080	cf::cede_to_tick;
		2081
1820	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1821		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2086
1824	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1827	or return;	2089	or return;
1828		2090
1829	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1830		2092
…		…
1832	or return;	2094	or return;
1833		2095
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1837	$map->reset;	2101	$map->reset;
1838	undef $guard;
1839	return find $path;	2102	return find $path;
1840	}	2103	}
1841		2104
1842	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1843	}	2106	}
1844	}	2107	}
1845		2108
1846	sub pre_load { }	2109	sub pre_load { }
1847	sub post_load { }	2110	#sub post_load { } # XS
1848		2111
1849	sub load {	2112	sub load {
1850	my ($self) = @_;	2113	my ($self) = @_;
1851		2114
1852	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1853		2116
1854	my $path = $self->{path};	2117	my $path = $self->{path};
1855		2118
1856	{	2119	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1858		2121
		2122	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2124
1861	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1862		2126
1863	$self->alloc;	2127	$self->alloc;
1864		2128
1865	$self->pre_load;	2129	$self->pre_load;
1866	Coro::cede;	2130	cf::cede_to_tick;
1867		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1869	or return;	2135	or return;
1870		2136
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1872	if delete $self->{load_original};	2138	if delete $self->{load_original};
1873		2139
1874	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2141	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2144	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1879	}	2148	}
1880	}	2149	}
1881		2150
1882	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1883	# now do the right thing for maps	2154	# now do the right thing for maps
1884	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2157	unless $self->difficulty;
1887	Coro::cede;	2158	cf::cede_to_tick;
1888		2159
1889	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2161	$self->decay_objects;
1891	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1892	$self->update_buttons;	2163	$self->update_buttons;
1893	Coro::cede;	2164	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2165	$self->activate;
1897	}	2166	}
1898		2167
1899	$self->{last_save} = $cf::RUNTIME;	2168	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2169	$self->last_access ($cf::RUNTIME);
1901		2170
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2172	}
1904		2173
1905	$self->post_load;	2174	$self->post_load;
1906	}	2175	}
1907		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2180	sub customise_for {
1909	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1910		2182
1911	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2184	if $self->per_player;
…		…
1928	or next;	2200	or next;
1929	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1930	or next;	2202	or next;
1931	$neigh->load;	2203	$neigh->load;
1932		2204
		2205	# now find the diagonal neighbours
1933	push @neigh,	2206	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}	2209	}
1937		2210
…		…
1944	}	2217	}
1945		2218
1946	sub find_sync {	2219	sub find_sync {
1947	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1948		2221
1949	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1950	}	2226	}
1951		2227
1952	sub do_load_sync {	2228	sub do_load_sync {
1953	my ($map) = @_;	2229	my ($map) = @_;
1954		2230
1955	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1956	}	2235	}
1957		2236
1958	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1960		2239
1961	sub find_async {	2240	sub find_async {
1962	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1963		2242
1964	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1965		2244
1966	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2247	}
1969		2248
1970	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1971	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1972	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2256	if (my $map = find $k) {
1975	$map->load;	2257	$map->load if $v;
1976	}	2258	}
1977		2259
1978	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1979	}	2261	}
1980	}	2262	}
1981	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1982	};	2264	};
1983	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1984		2266
1985	()	2267	()
1986	}	2268	}
1987		2269
		2270	# common code, used by both ->save and ->swapout
1988	sub save {	2271	sub _save {
1989	my ($self) = @_;	2272	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2273
1993	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1994		2275
1995	return unless $self->dirty;	2276	return unless $self->dirty;
1996		2277
…		…
2002	return if $self->{deny_save};	2283	return if $self->{deny_save};
2003		2284
2004	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
2005		2286
2006	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
2008	};	2290	};
		2291
		2292	cf::get_slot 0.02;
2009		2293
2010	if ($uniq) {	2294	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2297	} else {
2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015	}	2299	}
2016	}	2300	}
2017		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
2018	sub swap_out {	2310	sub swap_out {
2019	my ($self) = @_;	2311	my ($self) = @_;
2020		2312
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
2026	return if $self->players;	2317	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
2030	$self->clear;	2328	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2329	}
2033		2330
2034	sub reset_at {	2331	sub reset_at {
2035	my ($self) = @_;	2332	my ($self) = @_;
2036		2333
…		…
2054		2351
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2353
2057	return if $self->players;	2354	return if $self->players;
2058		2355
2059	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
2060		2357
2061	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
2062		2359
2063	# need to save uniques path	2360	# need to save uniques path
2064	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
2068	if $uniq;	2365	if $uniq;
2069	}	2366	}
2070		2367
2071	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
2072		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2372	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2373
2077	$self->unlink_save;	2374	$self->unlink_save;
2078	$self->destroy;	2375	$self->destroy;
2079	}	2376	}
2080		2377
2081	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
2082		2379
2083	sub nuke {	2380	sub nuke {
2084	my ($self) = @_;	2381	my ($self) = @_;
2085		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
2086	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2087		2387
2088	$self->unlink_save;	2388	$self->unlink_save;
2089		2389
2090	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2395
2096	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
2097		2398
2098	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
2099	}	2400	}
2100		2401
2101	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2143		2444
2144	sub unique_maps() {	2445	sub unique_maps() {
2145	[	2446	[
2146	map {	2447	map {
2147	utf8::decode $_;	2448	utf8::decode $_;
2148	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2149	? normalise $_	2452	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2454	]
2153	}	2455	}
2154		2456
2155	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2156		2488
2157	=back	2489	=back
2158		2490
2159	=head3 cf::object	2491	=head3 cf::object
2160		2492
…		…
2164		2496
2165	=over 4	2497	=over 4
2166		2498
2167	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2168		2500
2169	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2170		2503
2171	=cut	2504	=cut
2172		2505
2173	sub inv_recursive_;	2506	sub inv_recursive_;
2174	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2177		2510
2178	sub inv_recursive {	2511	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2180	}	2513	}
2181		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2182	package cf;	2543	package cf;
2183		2544
2184	=back	2545	=back
2185		2546
2186	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2192	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2194	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2195		2556
2196	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2197		2572
2198	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2574	# with dialog boxes.
2200	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2201	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2590
2216	} else {	2591	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2594	}
2220	}	2595	}
2221	}	2596	}
2222		2597
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2623
2249	=item $player_object->enter_link	2624	=item $player_object->enter_link
2250		2625
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2627
2253	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2255		2632
2256	Will never block.	2633	Will never block.
2257		2634
2258	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2259		2636
…		…
2279	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2657	my ($self) = @_;
2281		2658
2282	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2283		2660
		2661	++$self->{_link_recursion};
		2662
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2664
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2288		2667
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2669	}
2291		2670
2292	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2294		2673
…		…
2311	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2313		2692
2314	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2317		2696
2318	$map->load;	2697	$map->load;
2319	$map->load_neighbours;	2698	$map->load_neighbours;
2320		2699
2321	return unless $self->contr->active;	2700	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2701
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2326	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2327		2709
		2710	}
		2711
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2713
2330	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2331	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2717	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2718	be called at the end of this process.
2335		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
2336	=cut	2723	=cut
2337		2724
2338	our $GOTOGEN;	2725	our $GOTOGEN;
2339		2726
2340	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
2343	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2738
2346	$self->enter_link;	2739	$self->enter_link;
2347		2740
2348	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2349	my $map = eval {	2763	my $map = eval {
2350	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2351		2765
2352	if ($map) {	2766	if ($map) {
2353	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2769	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2771	}
2358		2772
2359	$map	2773	$map
2360	};	2774	};
2361		2775
…		…
2367	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2370	}	2784	}
2371		2785
2372	$done->() if $done;	2786	$done->($self) if $done;
2373	})->prio (1);	2787	})->prio (1);
2374	}	2788	}
2375		2789
2376	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2377		2791
…		…
2397	}	2811	}
2398		2812
2399	sub prepare_random_map {	2813	sub prepare_random_map {
2400	my ($exit) = @_;	2814	my ($exit) = @_;
2401		2815
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2818	# that depends on the exit object
2407		2819
2408	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2822	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2415	}	2829	}
2416		2830
2417	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2418		2832
2419	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2422		2836
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2839	undef $fh;
2426	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2427		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2430	}	2848	}
2431	}	2849	}
2432		2850
2433	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2435		2853
2436	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2437		2855
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2856	$self->enter_link;
2450		2857
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2858	(async {
2456	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2457	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2458	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2459		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2460	1;	2882	1
2461	}) {	2883	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2888
2467	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2890	$self->leave_link;
2469	}	2891	}
2470	})->prio (1);	2892	})->prio (1);
2471	}	2893	}
2472		2894
…		…
2484	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
2486		2908
2487	utf8::encode $text;	2909	utf8::encode $text;
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2911	}
		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
2489	}	2936	}
2490		2937
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2939
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2497		2944
2498	=cut	2945	=cut
2499		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2500	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3063
2503	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
2504		3066
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
2507	if (ref $channel) {	3076	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3077	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3078	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3079	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3080	$self->ext_msg (channel_info => $channel);
2512	}	3081	}
…		…
2514	$channel = $channel->{id};	3083	$channel = $channel->{id};
2515	}	3084	}
2516		3085
2517	return unless @extra || length $msg;	3086	return unless @extra || length $msg;
2518		3087
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3088	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3090	if $color & cf::NDI_DEF;
2523		3091
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3095	);
2527	if ($color >= 0) {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3096
2538	$color &= cf::NDI_COLOR_MASK;	3097	$self->send_big_packet ($pkt);
2539
2540	utf8::encode $msg;
2541
2542	if (0 && $msg =~ /\[/) {
2543	# COMMAND/INFO
2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
2545	} else {
2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547	$self->send_packet ("drawinfo $color $msg")
2548	}
2549	}
2550	}
2551	}	3098	}
2552		3099
2553	=item $client->ext_msg ($type, @msg)	3100	=item $client->ext_msg ($type, @msg)
2554		3101
2555	Sends an ext event to the client.	3102	Sends an ext event to the client.
…		…
2557	=cut	3104	=cut
2558		3105
2559	sub cf::client::ext_msg($$@) {	3106	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3107	my ($self, $type, @msg) = @_;
2561		3108
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {	3109	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove	3111	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";	3112	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}	3132	}
2570	}	3133	}
2571		3134
2572	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2573		3136
…		…
2634	my ($type, $reply, @payload) =	3197	my ($type, $reply, @payload) =
2635	"ARRAY" eq ref $msg	3198	"ARRAY" eq ref $msg
2636	? @$msg	3199	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3201
		3202	my @reply;
		3203
2639	if (my $cb = $EXTICMD{$type}) {	3204	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3205	@reply = $cb->($ns, @payload);
2641
2642	$ns->ext_reply ($reply, @reply)
2643	if $reply;
2644	}	3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
2645	} else {	3211	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3213	}
2648		3214
2649	cf::override;	3215	cf::override;
2650	},	3216	},
2651	);	3217	);
…		…
2671		3237
2672	$coro	3238	$coro
2673	}	3239	}
2674		3240
2675	cf::client->attach (	3241	cf::client->attach (
2676	on_destroy => sub {	3242	on_client_destroy => sub {
2677	my ($ns) = @_;	3243	my ($ns) = @_;
2678		3244
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3246	},
2681	);	3247	);
…		…
2697	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2698		3264
2699	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2700		3266
2701	$safe->permit_only (Opcode::opset qw(	3267	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3268	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3269	grepstart grepwhile mapstart mapwhile
2704	sort time	3270	sort time
2705	));	3271	));
2706		3272
2707	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
…		…
2709	=pod	3275	=pod
2710		3276
2711	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2712		3278
2713	cf::object	3279	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3280	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3281	insert remove name archname title slaying race decrease split
		3282	value
2716		3283
2717	cf::object::player	3284	cf::object::player
2718	player	3285	player
2719		3286
2720	cf::player	3287	cf::player
…		…
2725		3292
2726	=cut	3293	=cut
2727		3294
2728	for (	3295	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2734	) {	3302	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3305	for @funs;
2739	}	3306	}
2740		3307
…		…
2755		3322
2756	my $qcode = $code;	3323	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2759		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2760	local $_;	3330	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3331
2763	my $eval =	3332	my $eval =
2764	"do {\n"	3333	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3336	. $code
2768	. "\n}"	3337	. "\n}"
2769	;	3338	;
2770		3339
		3340	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2774		3349
2775	if ($@) {	3350	if ($@) {
2776	warn "$@";	3351	warn "$@",
2777	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2779	}	3354	}
2780		3355
2781	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2782	}	3357	}
2783		3358
…		…
2797	=cut	3372	=cut
2798		3373
2799	sub register_script_function {	3374	sub register_script_function {
2800	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2801		3376
2802	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2804	}	3379	}
2805		3380
2806	=back	3381	=back
2807		3382
2808	=cut	3383	=cut
…		…
2811	# the server's init and main functions	3386	# the server's init and main functions
2812		3387
2813	sub load_facedata($) {	3388	sub load_facedata($) {
2814	my ($path) = @_;	3389	my ($path) = @_;
2815		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
2816	my $enc = JSON::XS->new->utf8->canonical;	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817		3396
2818	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2819		3398
2820	my $facedata;
2821	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2822	or die "$path: $!";	3400	or die "$path: $!";
2823		3401
2824	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2825		3403
2826	$facedata->{version} == 2	3404	$facedata->{version} == 2
2827	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2828		3406
2829	# patch in the exptable	3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2830	$facedata->{resource}{"res/exp_table"} = {	3409	$facedata->{resource}{"res/exp_table"} = {
2831	type => FT_RSRC,	3410	type => FT_RSRC,
2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
2833	};	3413	};
2834	cf::cede_to_tick;	3414	cf::cede_to_tick;
2835		3415
2836	{	3416	{
2837	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2838		3418
2839	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2841	cf::face::set_visibility $idx, $info->{visibility};	3422	cf::face::set_visibility $idx, $info->{visibility};
2842	cf::face::set_magicmap $idx, $info->{magicmap};	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2845		3426
2846	cf::cede_to_tick;	3427	cf::cede_to_tick;
2847	}	3428	}
2848		3429
2849	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2850	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2851	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2852	or next;	3434	or next;
		3435
2853	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2854	cf::face::set_smooth $idx, $smooth;	3437	cf::face::set_smooth $idx, $smooth;
2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2856	} else {	3439	} else {
2857	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2858	}	3441	}
2859		3442
2860	cf::cede_to_tick;	3443	cf::cede_to_tick;
2861	}	3444	}
2862	}	3445	}
…		…
2871		3454
2872	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2873	}	3456	}
2874		3457
2875	{	3458	{
2876	# TODO: for gcfclient pleasure, we should give resources
2877	# that gcfclient doesn't grok a >10000 face index.
2878	my $res = $facedata->{resource};	3459	my $res = $facedata->{resource};
2879		3460
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881
2882	while (my ($name, $info) = each %$res) {	3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2884	my $data;
2885		3464
2886	if ($info->{type} & 1) {	3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2887	# prepend meta info	3466	cf::face::set_type $idx, $info->{type};
2888		3467	} else {
2889	my $meta = $enc->encode ({	3468	$RESOURCE{$name} = $info; # unused
2890	name => $name,
2891	%{ $info->{meta} || {} },
2892	});
2893
2894	$data = pack "(w/a*)*", $meta, $info->{data};
2895	}	3469	}
2896		3470
2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2898	cf::face::set_type $idx, $info->{type};
2899
2900	cf::cede_to_tick;	3471	cf::cede_to_tick;
2901	}	3472	}
2902
2903	if ($soundconf) {
2904	$soundconf = $enc->decode (delete $soundconf->{data});
2905
2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2907	my $sound = $soundconf->{compat}[$_]
2908	or next;
2909
2910	my $face = cf::face::find "sound/$sound->[1]";
2911	cf::sound::set $sound->[0] => $face;
2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2913	}
2914
2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
2916	my $face = cf::face::find "sound/$v";
2917	cf::sound::set $k => $face;
2918	}
2919	}
2920	}	3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2921		3476
2922	1	3477	1
2923	}	3478	}
2924		3479
2925	register_exticmd fx_want => sub {	3480	register_exticmd fx_want => sub {
…		…
2928	while (my ($k, $v) = each %$want) {	3483	while (my ($k, $v) = each %$want) {
2929	$ns->fx_want ($k, $v);	3484	$ns->fx_want ($k, $v);
2930	}	3485	}
2931	};	3486	};
2932		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2933	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2934	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2935	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
2936		3505
2937	for (cf::region::list) {	3506	for (cf::region::list) {
2938	$_->{match} = qr/$_->{match}/	3507	$_->{match} = qr/$_->{match}/
…		…
2946	}	3515	}
2947		3516
2948	sub reload_archetypes {	3517	sub reload_archetypes {
2949	load_resource_file "$DATADIR/archetypes"	3518	load_resource_file "$DATADIR/archetypes"
2950	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2951	#d# NEED to laod twice to resolve forward references
2952	# this really needs to be done in an extra post-pass
2953	# (which needs to be synchronous, so solve it differently)
2954	load_resource_file "$DATADIR/archetypes"
2955	or die "unable to load archetypes\n";
2956	}	3520	}
2957		3521
2958	sub reload_treasures {	3522	sub reload_treasures {
2959	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2960	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2961	}	3525	}
2962		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2963	sub reload_resources {	3550	sub reload_resources {
2964	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2965		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2966	reload_regions;	3558	reload_regions;
2967	reload_facedata;
2968	#reload_archetypes;#d#
2969	reload_archetypes;
2970	reload_treasures;	3559	reload_treasures;
2971		3560
2972	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2973	}	3562	}
2974		3563
2975	sub init {	3564	sub reload_config {
2976	reload_resources;	3565	trace "reloading config file...\n";
2977	}
2978		3566
2979	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2980	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2981	or return;
2982		3569
2983	local $/;	3570	utf8::decode $config;
2984	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2985		3572
2986	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2987		3574
2988	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2989	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2990		3577
2991	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2995	};	3582	};
2996	warn $@ if $@;	3583	warn $@ if $@;
2997	}	3584	}
2998	}	3585	}
2999		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
3000	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
3001	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
3002	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3004	(async {	3628	(async {
3005	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
3006	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
3007	};	3632	};
3008		3633
3009	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
3010	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
3011	load_extensions;	3657	load_extensions;
3012		3658
3013	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
3014	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
3015	}	3677	}
3016		3678
3017	#############################################################################	3679	#############################################################################
3018	# initialisation and cleanup	3680	# initialisation and cleanup
3019		3681
3020	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
3021	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
3022	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
3023	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3024	reentrant => 0,
3025	data => WF_AUTOCANCEL,
3026	signal => $signal,
3027	prio => 0,
3028	cb => sub {
3029	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
3030	},
3031	);	3688	};
3032	}	3689	}
3033	}	3690	}
3034		3691
3035	sub write_runtime {	3692	sub write_runtime_sync {
3036	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
3037		3694
3038	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
3039	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
3040		3697
3041	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3042		3699
3043	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
3044		3701
3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3046	or return;	3703	or return;
3047		3704
3048	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
3049	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
3050	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
3060	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
3061		3718
3062	close $fh	3719	close $fh
3063	or return;	3720	or return;
3064		3721
3065	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3066	and return;	3723	and return;
3067		3724
3068	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3069		3726
3070	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
3071	}	3778	}
3072		3779
3073	sub emergency_save() {	3780	sub emergency_save() {
3074	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
3075		3782
3076	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
3077		3789
3078	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
3079	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
3080	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
3081	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
3082	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
3083	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
3084	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
3085	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3086	$pl->save;	3801	$pl->save;
3087	}	3802	}
3088	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
3089		3804
3090	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
3091	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
3092	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
3093	$map->valid or next;	3810	$map->valid or next;
3094	$map->save;	3811	$map->save;
3095	}	3812	}
3096	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
3097		3814
3098	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
3099	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
3100	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
3101	};	3843	};
3102		3844
3103	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
3104	}	3846	}
3105		3847
3106	sub post_cleanup {	3848	sub post_cleanup {
3107	my ($make_core) = @_;	3849	my ($make_core) = @_;
3108		3850
		3851	IO::AIO::flush;
		3852
3109	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
3110	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
3111	}	3883	}
3112		3884
3113	sub do_reload_perl() {	3885	sub do_reload_perl() {
3114	# can/must only be called in main	3886	# can/must only be called in main
3115	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
3116	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
3117	return;	3889	return;
3118	}	3890	}
3119		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
3120	warn "reloading...";	3898	info "reloading...";
3121		3899
3122	warn "entering sync_job";	3900	trace "entering sync_job";
3123		3901
3124	cf::sync_job {	3902	cf::sync_job {
3125	cf::write_runtime; # external watchdog should not bark
3126	cf::emergency_save;	3903	#cf::emergency_save;
3127	cf::write_runtime; # external watchdog should not bark
3128		3904
3129	warn "syncing database to disk";
3130	BDB::db_env_txn_checkpoint $DB_ENV;
3131
3132	# if anything goes wrong in here, we should simply crash as we already saved
3133
3134	warn "cancelling all WF_AUTOCANCEL watchers";
3135	for (Event::all_watchers) {
3136	$_->cancel if $_->data & WF_AUTOCANCEL;
3137	}
3138
3139	warn "flushing outstanding aio requests";
3140	for (;;) {
3141	BDB::flush;
3142	IO::AIO::flush;
3143	Coro::cede;
3144	last unless IO::AIO::nreqs || BDB::nreqs;
3145	warn "iterate...";
3146	}
3147
3148	++$RELOAD;
3149
3150	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
3151	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
3152	%EXT_CORO = ();	3907	%EXT_CORO = ();
3153		3908
3154	warn "removing commands";	3909	trace "removing commands";
3155	%COMMAND = ();	3910	%COMMAND = ();
3156		3911
3157	warn "removing ext/exti commands";	3912	trace "removing ext/exti commands";
3158	%EXTCMD = ();	3913	%EXTCMD = ();
3159	%EXTICMD = ();	3914	%EXTICMD = ();
3160		3915
3161	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
3162	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
3163	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
3164		3919
3165	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
3166	eval {	3921	eval {
3167	$cb->($pkg);	3922	$cb->($pkg);
3168	1	3923	1
3169	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
3170	}	3929	}
3171		3930
3172	warn "... nuking $pkg";
3173	Symbol::delete_package $pkg;
3174	}
3175
3176	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
3177	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3179		3934
3180	warn "... unloading $k";	3935	trace "... unloading $k";
3181	delete $INC{$k};	3936	delete $INC{$k};
3182		3937
3183	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
3184	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
3185		3940
3186	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
3187	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
3188	}	3946	}
3189		3947
3190	Symbol::delete_package $k;
3191	}
3192
3193	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
3194	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3196		3951
3197	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
3198	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
3199	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3200		3955
3201	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
3202	# and global variables created in xs	3957	# and global variables created in xs
3203	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
3204		3959
3205	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
3206		3961
3207	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
3208	require cf;	3963	require cf;
3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
3210		3965
3211	warn "loading config and database again";	3966	trace "loading config and database again";
3212	cf::cfg_load;	3967	cf::reload_config;
3213		3968
3214	warn "loading extensions";	3969	trace "loading extensions";
3215	cf::load_extensions;	3970	cf::load_extensions;
3216		3971
		3972	if ($REATTACH_ON_RELOAD) {
3217	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
3218	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
3219	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
3220	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
3221	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
3222	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
3223		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
3224	warn "leaving sync_job";	3984	trace "leaving sync_job";
3225		3985
3226	1	3986	1
3227	} or do {	3987	} or do {
3228	warn $@;	3988	error $@;
3229	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
3230	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
3231	};	3994	}
3232		3995
3233	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
3234	};	3998	};
3235		3999
3236	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
3237		4001
3238	sub reload_perl() {	4002	sub reload_perl() {
3239	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
3240	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
3241		4005
3242	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
3243	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
3244	after => 0,	4008
3245	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3246	cb => sub {
3247	do_reload_perl;	4010	do_reload_perl;
3248	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
3249	},	4012	};
3250	);	4013	};
3251	}	4014	}
3252		4015
3253	register_command "reload" => sub {	4016	register_command "reload" => sub {
3254	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
3255		4018
3256	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
3257	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
3258	async { reload_perl };	4023	reload_perl;
		4024	};
3259	}	4025	}
3260	};	4026	};
3261		4027
3262	unshift @INC, $LIBDIR;	4028	#############################################################################
3263		4029
3264	my $bug_warning = 0;	4030	my $bug_warning = 0;
3265		4031
3266	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
3267	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
3268		4034
3269	sub wait_for_tick {	4035	sub wait_for_tick() {
3270	return unless $TICK_WATCHER->is_active;
3271	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272		4037
3273	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
3275	$signal->wait;	4040	$signal->wait;
3276	}	4041	}
3277		4042
3278	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
3279	return unless $TICK_WATCHER->is_active;
3280	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3281		4045
3282	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
3283	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
3284	$signal->wait;	4048	$signal->wait;
3285	}	4049	}
3286		4050
3287	my $min = 1e6;#d#	4051	sub tick {
3288	my $avg = 10;
3289	$TICK_WATCHER = Event->timer (
3290	reentrant => 0,
3291	parked => 1,
3292	prio => 0,
3293	at => $NEXT_TICK || $TICK,
3294	data => WF_AUTOCANCEL,
3295	cb => sub {
3296	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3298	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3299	return;	4055	return;
3300	}	4056	}
3301		4057
3302	$NOW = $tick_start = Event::time;
3303
3304	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3305		4059
3306	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3307	for(1..10) {
3308	my $t = Event::time;
3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3310	or die;
3311		4061
3312	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3313	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3314	$map->alloc;	4064	Coro::async_pool {
3315	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3316	my $t = Event::time - $t;	4066	write_runtime_sync
3317		4067	or error "ERROR: unable to write runtime file: $!";
3318	#next unless $t < 0.0013;#d#
3319	if ($t < $min) {
3320	$min = $t;
3321	}
3322	$avg = $avg * 0.99 + $t * 0.01;
3323	}
3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3325	exit 0;
3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3327	};	4068	};
		4069	}
3328		4070
3329	$RUNTIME += $TICK;
3330	$NEXT_TICK += $TICK;
3331
3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
3334	Coro::async_pool {
3335	write_runtime
3336	or warn "ERROR: unable to write runtime file: $!";
3337	};
3338	}
3339
3340	# my $AFTER = Event::time;
3341	# warn $AFTER - $NOW;#d#
3342
3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3344	$sig->send;	4072	$sig->send;
3345	}	4073	}
3346	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3347	$sig->send;	4075	$sig->send;
3348	}	4076	}
3349		4077
3350	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3351
3352	# if we are delayed by four ticks or more, skip them all
3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3354
3355	$TICK_WATCHER->at ($NEXT_TICK);
3356	$TICK_WATCHER->start;
3357
3358	$LOAD = ($NOW - $tick_start) / $TICK;
3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3360		4080
3361	_post_tick;	4081	if (0) {
3362		4082	if ($NEXT_TICK) {
3363		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3364	},	4087	}
3365	);	4088	}
3366		4089
3367	{	4090	{
3368	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3369	$BDB_POLL_WATCHER = Event->io (	4092
3370	reentrant => 0,
3371	fd => BDB::poll_fileno,
3372	poll => 'r',
3373	prio => 0,
3374	data => WF_AUTOCANCEL,
3375	cb => \&BDB::poll_cb,
3376	);
3377	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3378		4094	BDB::max_poll_reqs $TICK * 0.1;
3379	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3380	my $status;
3381	my $current = $Coro::current;
3382	(
3383	sub {
3384	$status = $!;
3385	$current->ready; undef $current;
3386	},
3387	sub {
3388	Coro::schedule while defined $current;
3389	$! = $status;
3390	},
3391	)
3392	};
3393		4096
3394	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3395	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3396		4104
3397	cf::sync_job {	4105	cf::sync_job {
3398	eval {	4106	eval {
3399	BDB::db_env_open	4107	BDB::db_env_open
3400	$DB_ENV,	4108	$DB_ENV,
…		…
3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3404	0666;	4112	0666;
3405		4113
3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3407
3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3409	$DB_ENV->set_lk_detect;
3410	};	4115	};
3411		4116
3412	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3413	};	4118	};
3414	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3415	}	4130	}
3416		4131
3417	{	4132	{
		4133	# configure IO::AIO
		4134
3418	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3419
3420	undef $Coro::AIO::WATCHER;
3421	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3422	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3423	reentrant => 0,
3424	data => WF_AUTOCANCEL,
3425	fd => IO::AIO::poll_fileno,
3426	poll => 'r',
3427	prio => 6,
3428	cb => \&IO::AIO::poll_cb,
3429	);
3430	}	4138	}
3431		4139
3432	my $_log_backtrace;	4140	my $_log_backtrace;
3433		4141
3434	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3437	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3438		4146
3439	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3440	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3441	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3442	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3443	my @bt = fork_call {	4154	my @bt = fork_call {
3444	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3447	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3455	}	4166	}
3456		4167
3457	@funcs	4168	@funcs
3458	};	4169	};
3459		4170
3460	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3461	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3462	--$_log_backtrace;	4174	--$_log_backtrace;
3463	};	4175	};
3464	} else {	4176	} else {
3465	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3466	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3467	}	4179	}
3468	}	4180	}
3469		4181
3470	# load additional modules	4182	# load additional modules
3471	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3472		4185
3473	END { cf::emergency_save }	4186	END { cf::emergency_save }
3474		4187
3475	1	4188	1
3476		4189

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