[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

…		…
1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
36		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
63		64
64	# configure various modules to our taste	65	# configure various modules to our taste
65	#	66	#
66	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
67	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";
68	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
69		75
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		78
72	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;
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
76		85
77	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
91	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
97	our %RESOURCE;	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;
98		118
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	121	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		123
104	our $BDB_DEADLOCK_WATCHER;	124	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	125	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	127	our $DB_ENV;
108		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		130
109	our %CFG;	131	our %CFG;
110		132
111	our $UPTIME; $UPTIME \|\|= time;	133	our $UPTIME; $UPTIME \|\|= time;
112	our $RUNTIME;	134	our $RUNTIME;
113	our $NOW;	135	our $NOW;
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	146	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
126		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
127	binmode STDOUT;	154	binmode STDOUT;
128	binmode STDERR;	155	binmode STDERR;
129		156
130	# read virtual server time, if available	157	# read virtual server time, if available
131	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
135	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
136		165
137	mkdir $_	166	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		168
140	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
141		170
142	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::"} };
143		187
144	#############################################################################	188	#############################################################################
145		189
146	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
147		191
…		…
189	from wherever your confdir points to.	233	from wherever your confdir points to.
190		234
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		236
193	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
194	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
195	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.
196		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
197	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
198		247
199	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
200	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
201	that call.	250	that call.
202		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
203	=back	258	=back
204		259
205	=cut	260	=cut
206		261
207	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	269	my $msg = join "", @_;
210		270
211	$msg .= "\n"	271	$msg .= "\n"
212	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
213		273
214	$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;
215		275
216	LOG llevError, $msg;	276	LOG llevWarn, $msg;
217	};	277	};
218	}
219		278
220	$Coro::State::DIEHOOK = sub {	279	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	280	return unless $^S eq 0; # "eq", not "=="
222		281
223	if ($Coro::current == $Coro::main) {#d#	282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	285	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	286	return;#d#
226	}#d#	287	}#d#
227		288
228	# kill coroutine otherwise	289	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	290	Coro::terminate
231	};	291	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		292
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	310	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	312	}
255		313
256	$EV::DIED = sub {	314	$EV::DIED = sub {
257	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
258	};	316	};
259		317
260	#############################################################################	318	#############################################################################
261		319
262	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		358
301	sub encode_json($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
303		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
304	=item cf::lock_wait $string	405	=item cf::lock_wait $string
305		406
306	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
307		408
308	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
309		410
310	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
313	returned.	414	returned.
314		415
315	Locks are not recursive, locking from the same coro twice results in a	416	Locks are not recursive, locking from the same coro twice results in a
316	deadlocked coro.	417	deadlocked coro.
…		…
322		423
323	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
324		425
325	=cut	426	=cut
326		427
327	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		429
330	sub lock_wait($) {	430	sub lock_wait($) {
331	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	432	}
344		433
345	sub lock_acquire($) {	434	sub lock_acquire($) {
346	my ($key) = @_;	435	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	436	}
360		437
361	sub lock_active($) {	438	sub lock_active($) {
362	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	440	}
366		441
367	sub freeze_mainloop {	442	sub freeze_mainloop {
368	tick_inhibit_inc;	443	tick_inhibit_inc;
369		444
370	Coro::guard \&tick_inhibit_dec;	445	&Guard::guard (\&tick_inhibit_dec);
371	}	446	}
372		447
373	=item cf::periodic $interval, $cb	448	=item cf::periodic $interval, $cb
374		449
375	Like EV::periodic, but randomly selects a starting point so that the actions	450	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	451	get spread over time.
377		452
378	=cut	453	=cut
379		454
380	sub periodic($$) {	455	sub periodic($$) {
381	my ($interval, $cb) = @_;	456	my ($interval, $cb) = @_;
…		…
398		473
399	=cut	474	=cut
400		475
401	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
403		479
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	482	$Coro::current->desc ("timeslot manager");
407		483
408	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
409		486
410	while () {	487	while () {
411	next_job:	488	next_job:
		489
412	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	491
414	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	496	$job->[2]->send;
418	Coro::cede;	497	Coro::cede;
419	goto next_job;	498	goto next_job;
420	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	501	}
422	}	502	}
423		503
424	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	507	$signal->wait;
428	} else {	508	} else {
		509	$busy = 0;
429	Coro::schedule;	510	Coro::schedule;
430	}	511	}
431	}	512	}
432	};	513	};
433		514
434	sub get_slot($;$$) {	515	sub get_slot($;$$) {
435	return if tick_inhibit \|\| $Coro::current == $Coro::main;	516	return if tick_inhibit \|\| $Coro::current == $Coro::main;
436		517
437	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
438		519
439	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
440	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
441		523
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
470	=cut	552	=cut
471		553
472	sub sync_job(&) {	554	sub sync_job(&) {
473	my ($job) = @_;	555	my ($job) = @_;
474		556
475	if ($Coro::current == $Coro::main) {	557	if (in_main) {
476	my $time = EV::time;	558	my $time = AE::time;
477		559
478	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
480		562
481	LOG llevError, Carp::longmess "sync job";#d#	563	#LOG llevError, Carp::longmess "sync job";#d#
482		564
483	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
484		566
485	my $busy = 1;	567	my $busy = 1;
486	my @res;	568	my @res;
487		569
488	(async {	570	(async {
489	$Coro::current->desc ("sync job coro");	571	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	572	@res = eval { $job->() };
491	warn $@ if $@;	573	error $@ if $@;
492	undef $busy;	574	undef $busy;
493	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
494		576
495	while ($busy) {	577	while ($busy) {
496	if (Coro::nready) {	578	if (Coro::nready) {
…		…
498	} else {	580	} else {
499	EV::loop EV::LOOP_ONESHOT;	581	EV::loop EV::LOOP_ONESHOT;
500	}	582	}
501	}	583	}
502		584
503	my $time = EV::time - $time;	585	my $time = AE::time - $time;
504		586
505	$TICK_START += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
506		588
507	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
508	} else {	590	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
531		613
532	$coro	614	$coro
533	}	615	}
534		616
535	=item fork_call { }, $args	617	=item fork_call { }, @args
536		618
537	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	622	never block itself or use any form of event handling.
541		623
542	=cut	624	=cut
543		625
		626	sub post_fork {
		627	reset_signals;
		628	}
		629
544	sub fork_call(&@) {	630	sub fork_call(&@) {
545	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
546		632
547	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
550		636
551	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
552	reset_signals;	638	cf::post_fork;
553	&$cb	639	&$cb
554	}, @args;	640	} @args;
555		641
556	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
557	}	654	}
558		655
559	=item $coin = coin_from_name $name	656	=item $coin = coin_from_name $name
560		657
561	=cut	658	=cut
…		…
598	within each server.	695	within each server.
599		696
600	=cut	697	=cut
601		698
602	sub db_table($) {	699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
603	my ($name) = @_;	703	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	704	my $db = BDB::db_create $DB_ENV;
605		705
606	eval {	706	eval {
607	$db->set_flags (BDB::CHKSUM);	707	$db->set_flags (BDB::CHKSUM);
…		…
617	}	717	}
618		718
619	our $DB;	719	our $DB;
620		720
621	sub db_init {	721	sub db_init {
622	cf::sync_job {
623	$DB \|\|= db_table "db";	722	$DB \|\|= db_table "db";
624	};
625	}	723	}
626		724
627	sub db_get($$) {	725	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
629		727
630	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
631	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
632		732
633	$! ? ()	733	$! ? ()
634	: $data	734	: $data
635	}
636	}	735	}
637		736
638	sub db_put($$$) {	737	sub db_put($$$) {
639	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
696		795
697	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
698	my $data = $process->(\@data);	797	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
700		799
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		801
703	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
706		805
…		…
716		815
717	=cut	816	=cut
718		817
719	sub datalog($@) {	818	sub datalog($@) {
720	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	821	}
723		822
724	=back	823	=back
725		824
726	=cut	825	=cut
727		826
728	#############################################################################	827	#############################################################################
729		828
730	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
731		830
732	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
735		834
736	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
788		887
789	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
791		890
792	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
794		893
795	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
796		895
797	=over 4	896	=over 4
…		…
921		1020
922	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1023
925	} elsif (ref $type) {	1024	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
927		1026
928	} else {	1027	} else {
929	shift @arg;	1028	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
931	}	1030	}
932	}	1031	}
933	}	1032	}
934		1033
935	sub _object_attach {	1034	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
946	}	1045	}
947		1046
948	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
949	} else {	1048	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1050	}
952		1051
953	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
954	}	1053	}
955		1054
…		…
1014		1113
1015	for (@$callbacks) {	1114	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
1017		1116
1018	if ($@) {	1117	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1119	override;
1022	}	1120	}
1023		1121
1024	return 1 if $override;	1122	return 1 if $override;
1025	}	1123	}
…		…
1104	for (@$attach) {	1202	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
1107	}	1205	}
1108	} else {	1206	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1208	}
1111	}	1209	}
1112	}	1210	}
1113		1211
1114	cf::attachable->attach (	1212	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1142		1240
1143	sync_job {	1241	sync_job {
1144	if (length $$rdata) {	1242	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1243	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1148		1247
1149	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1249	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE \| IO::AIO::SYNC_FILE_RANGE_WRITE \| IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1153	aio_close $fh;	1255	aio_close $fh;
1154		1256
1155	if (@$objs) {	1257	if (@$objs) {
1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1259	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1160	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE \| IO::AIO::SYNC_FILE_RANGE_WRITE \| IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1161	aio_close $fh;	1266	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1268	}
1164	} else {	1269	} else {
1165	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1166	}	1271	}
1167		1272
1168	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1277	} else {
1170	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1171	}	1279	}
1172	} else {	1280	} else {
1173	aio_unlink $filename;	1281	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1175	}	1283	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1307	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1308	$av = $st->{objs};
1201	}	1309	}
1202		1310
1203	utf8::decode (my $decname = $filename);	1311	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av \|\| []};	1313	$decname, length $data, scalar @{$av \|\| []}
		1314	if $VERBOSE_IO;
1206		1315
1207	($data, $av)	1316	($data, $av)
1208	}	1317	}
1209		1318
1210	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
…		…
1266	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1267		1376
1268	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1269	}	1378	}
1270		1379
		1380	use File::Glob ();
		1381
1271	cf::player->attach (	1382	cf::player->attach (
1272	on_command => sub {	1383	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1274		1385
1275	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1276	or return;	1387	or return;
1277		1388
…		…
1300		1411
1301	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1302	if $reply;	1413	if $reply;
1303		1414
1304	} else {	1415	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1417	}
1307		1418
1308	cf::override;	1419	cf::override;
1309	},	1420	},
1310	);	1421	);
1311		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1312	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1313	cf::sync_job {	1439	cf::sync_job {
1314	my %todo;	1440	my %todo;
1315		1441
1316	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1443	next unless -r $path;
…		…
1335		1461
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1463	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1338		1464
1339	$ext{source} =	1465	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1342	. $source	1468	. $source
1343	. "\n};\n1";	1469	. "\n};\n1";
1344		1470
1345	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1346	}	1472	}
1347		1473
		1474	my $pass = 0;
1348	my %done;	1475	my %done;
1349	while (%todo) {	1476	while (%todo) {
1350	my $progress;	1477	my $progress;
1351		1478
		1479	++$pass;
		1480
		1481	ext:
1352	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1484	next ext
1355	unless exists $done{$_};	1485	unless exists $done{$_};
1356	}	1486	}
1357		1487
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1489
1360	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1494
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1496	if exists $v->{meta}{mandatory};
1368		1497
1369	warn $msg;	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1370	}	1507	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1508	}
1376		1509
1377	skip:	1510	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1380	}	1518	}
1381	};	1519	};
1382	}	1520	}
1383		1521
1384	#############################################################################	1522	#############################################################################
1385		1523
1386	=back	1524	=back
1387		1525
1388	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1389		1527
1390	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1391		1529
1392	=cut	1530	=cut
1393		1531
1394	package cf::player;	1532	package cf::player;
1395		1533
…		…
1438		1576
1439	sub exists($) {	1577	sub exists($) {
1440	my ($login) = @_;	1578	my ($login) = @_;
1441		1579
1442	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1444	}	1582	}
1445		1583
1446	sub find($) {	1584	sub find($) {
1447	return $cf::PLAYER{$_[0]} \|\| do {	1585	return $cf::PLAYER{$_[0]} \|\| do {
1448	my $login = $_[0];	1586	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1469	}	1607	}
1470	}	1608	}
1471	}	1609	}
1472		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
		1623
1473	sub save($) {	1624	sub save($) {
1474	my ($pl) = @_;	1625	my ($pl) = @_;
1475		1626
1476	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
1477		1628
…		…
1482		1633
1483	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1485		1636
1486	cf::get_slot 0.01;	1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1641
1488	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1643	cf::cede_to_tick;
1490	}	1644	}
1491		1645
…		…
1523	my ($pl) = @_;	1677	my ($pl) = @_;
1524		1678
1525	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1526		1680
1527	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1683
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1685	$pl->deactivate;
		1686
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1535	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1536		1692
1537	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1593	\@logins	1749	\@logins
1594	}	1750	}
1595		1751
1596	=item $player->maps	1752	=item $player->maps
1597		1753
		1754	=item cf::player::maps $login
		1755
1598	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1599	player. May block.	1757	player. May block.
1600		1758
1601	=cut	1759	=cut
1602		1760
…		…
1619	}	1777	}
1620		1778
1621	\@paths	1779	\@paths
1622	}	1780	}
1623		1781
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1783
1626	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	sub expand_cfpod {
1631	my ($self, $pod) = @_;
1632
1633	my @nest = [qr<\G$>, undef, ""];
1634	my $xml;
1635
1636	for ($pod) {
1637	while () {
1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ \| [BCEGHITUZ](?!<) \| \ (?!>) )+ )/xgcs) {
1639	$xml .= $1;
1640	} elsif (/\G\n(?=\S)/xgcs) {
1641	$xml .= " ";
1642	} elsif (/\G\n/xgcs) {
1643	$xml .= "\n";
1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ \| (?!<) ) )/xgcs) {
1645	my ($code, $delim) = ($1, scalar reverse $2);
1646	$delim =~ y/</>/; # delim now contains the stop sequence
1647	$delim = qr{\G\Q$delim};
1648
1649	my $cb;
1650
1651	if ($code eq "B") {
1652	$cb = sub { "<b>$_[0]</b>" };
1653	} elsif ($code eq "C") {
1654	$cb = sub { "<tt>$_[0]</tt>" };
1655	} elsif ($code eq "E") {
1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657	} elsif ($code eq "G") {
1658	$cb = sub {
1659	my ($male, $female) = split /\\|/, $_[0];
1660	$self->gender ? $female : $male
1661	};
1662	} elsif ($code eq "H") {
1663	$cb = sub {
1664	(
1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667	"",
1668	)[$self->{hintmode}];
1669	};
1670	} elsif ($code eq "I") {
1671	$cb = sub { "<i>$_[0]</i>" };
1672	} elsif ($code eq "T") {
1673	$cb = sub { "<big><b>$_[0]</b></big>" };
1674	} elsif ($code eq "U") {
1675	$cb = sub { "<u>$_[0]</u>" };
1676	} elsif ($code eq "Z") {
1677	$cb = sub { };
1678	} else {
1679	die "FATAL error in expand_cfpod";
1680	}
1681
1682	push @nest, [$delim, $cb, $xml];
1683	undef $xml;
1684
1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
1686	my $nest = pop @nest;
1687
1688	if ($nest->[1]) {
1689	$xml = $nest->[2] . $nest->[1]->($xml);
1690	} else {
1691	last;
1692	}
1693	} elsif (/\G</xgcs) {
1694	$xml .= "<";
1695	} elsif (/\G&/xgcs) {
1696	$xml .= "&";
1697	} elsif (/\G>/xgcs) {
1698	$xml .= ">";
1699	} else {
1700	if ($pod =~ /\G(.+)/xgcs) {
1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702	last;
1703	} else {
1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706	}
1707	}
1708	}
1709	}
1710
1711	$xml
1712	}
1713
1714	sub hintmode {
1715	$_[0]{hintmode} = $_[1] if @_ > 1;
1716	$_[0]{hintmode}
1717	}
1718		1785
1719	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1720		1787
1721	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1722		1789
…		…
1754		1821
1755	=cut	1822	=cut
1756		1823
1757	sub find_by_path($) {	1824	sub find_by_path($) {
1758	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1759		1828
1760	my ($match, $specificity);	1829	my ($match, $specificity);
1761		1830
1762	for my $region (list) {	1831	for my $region (list) {
1763	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1794		1863
1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796		1865
1797	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1798	$self->_create_random_map (	1867	$self->_create_random_map (
1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1802	$rmp->{exit_on_final_map},
1803	$rmp->{xsize}, $rmp->{ysize},
1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1806	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1807	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1809	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1810	)	1870	)
1811	}	1871	}
1812		1872
1813	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1814		1874
…		…
1820		1880
1821	sub register {	1881	sub register {
1822	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1823	my $pkg = caller;	1883	my $pkg = caller;
1824		1884
1825	no strict;
1826	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1827		1886
1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1829	}	1888	}
1830		1889
1831	# also paths starting with '/'	1890	# also paths starting with '/'
1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1833		1892
1834	sub thawer_merge {	1893	sub thawer_merge {
1835	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1836		1895
1837	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1842	}	1901	}
1843		1902
1844	sub normalise {	1903	sub normalise {
1845	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1846		1905
1847	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1848		1907
1849	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1850		1909
1851	# map plan:	1910	# map plan:
1852	#	1911	#
…		…
1867	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1868	$path = "$base/$path";	1927	$path = "$base/$path";
1869	}	1928	}
1870		1929
1871	for ($path) {	1930	for ($path) {
1872	redo if s{//}{/};
1873	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1874	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1875	}	1933	}
1876		1934
1877	$path	1935	$path
…		…
1891	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1892	return $self;	1950	return $self;
1893	}	1951	}
1894	}	1952	}
1895		1953
1896	Carp::cluck "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1897	()	1955	()
1898	}	1956	}
1899		1957
1900	sub init {	1958	sub init {
1901	my ($self) = @_;	1959	my ($self) = @_;
…		…
1933	sub uniq_path {	1991	sub uniq_path {
1934	my ($self) = @_;	1992	my ($self) = @_;
1935		1993
1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1938	}
1939
1940	# and all this just because we cannot iterate over
1941	# all maps in C++...
1942	sub change_all_map_light {
1943	my ($change) = @_;
1944
1945	$_->change_map_light ($change)
1946	for grep $_->outdoor, values %cf::MAP;
1947	}	1996	}
1948		1997
1949	sub decay_objects {	1998	sub decay_objects {
1950	my ($self) = @_;	1999	my ($self) = @_;
1951		2000
…		…
2033		2082
2034	sub find;	2083	sub find;
2035	sub find {	2084	sub find {
2036	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
2037		2086
		2087	cf::cede_to_tick;
		2088
2038	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
2039		2090
2040	cf::lock_wait "map_data:$path";#d#remove	2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
2042		2093
2043	$cf::MAP{$path} \|\| do {	2094	$cf::MAP{$path} \|\| do {
2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2045	my $guard2 = cf::lock_acquire "map_find:$path";
2046
2047	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
2048	or return;	2096	or return;
2049		2097
2050	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
2051		2099
…		…
2063		2111
2064	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
2065	}	2113	}
2066	}	2114	}
2067		2115
2068	sub pre_load { }	2116	sub pre_load { }
2069	sub post_load { }	2117	#sub post_load { } # XS
2070		2118
2071	sub load {	2119	sub load {
2072	my ($self) = @_;	2120	my ($self) = @_;
2073		2121
2074	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2119	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
2120	$self->decay_objects;	2168	$self->decay_objects;
2121	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
2122	$self->update_buttons;	2170	$self->update_buttons;
2123	cf::cede_to_tick;	2171	cf::cede_to_tick;
2124	$self->set_darkness_map;
2125	cf::cede_to_tick;
2126	$self->activate;	2172	$self->activate;
2127	}	2173	}
2128		2174
2129	$self->{last_save} = $cf::RUNTIME;	2175	$self->{last_save} = $cf::RUNTIME;
2130	$self->last_access ($cf::RUNTIME);	2176	$self->last_access ($cf::RUNTIME);
2131		2177
2132	$self->in_memory (cf::MAP_ACTIVE);	2178	$self->in_memory (cf::MAP_ACTIVE);
2133	}	2179	}
2134		2180
2135	$self->post_load;	2181	$self->post_load;
2136	}
2137		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
2138	sub customise_for {	2189	sub customise_for {
2139	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
2140		2191
2141	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
2142	if $self->per_player;	2193	if $self->per_player;
…		…
2158	or next;	2209	or next;
2159	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
2160	or next;	2211	or next;
2161	$neigh->load;	2212	$neigh->load;
2162		2213
		2214	# now find the diagonal neighbours
2163	push @neigh,	2215	push @neigh,
2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2166	}	2218	}
2167		2219
…		…
2174	}	2226	}
2175		2227
2176	sub find_sync {	2228	sub find_sync {
2177	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
2178		2230
2179	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError \| cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
2180	}	2235	}
2181		2236
2182	sub do_load_sync {	2237	sub do_load_sync {
2183	my ($map) = @_;	2238	my ($map) = @_;
2184		2239
2185	cf::LOG cf::llevDebug \| cf::logBacktrace, "do_load_sync"	2240	return cf::LOG cf::llevError \| cf::logBacktrace, "do_load_sync"
2186	if $Coro::current == $Coro::main;	2241	if $Coro::current == $Coro::main;
2187		2242
2188	cf::sync_job { $map->load };	2243	$map->load;
2189	}	2244	}
2190		2245
2191	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
2192	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
2193		2248
…		…
2219	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
2220		2275
2221	()	2276	()
2222	}	2277	}
2223		2278
		2279	# common code, used by both ->save and ->swapout
2224	sub save {	2280	sub _save {
2225	my ($self) = @_;	2281	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228		2282
2229	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2230		2284
2231	return unless $self->dirty;	2285	return unless $self->dirty;
2232		2286
…		…
2252	} else {	2306	} else {
2253	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
2254	}	2308	}
2255	}	2309	}
2256		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
2257	sub swap_out {	2319	sub swap_out {
2258	my ($self) = @_;	2320	my ($self) = @_;
2259		2321
2260	# save first because save cedes
2261	$self->save;
2262
2263	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2264		2323
2265	return if $self->players;
2266	return if $self->in_memory != cf::MAP_ACTIVE;	2324	return if $self->in_memory != cf::MAP_ACTIVE;
2267	return if $self->{deny_save};	2325	return if $self->{deny_save};
		2326	return if $self->players;
2268		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
		2337	$self->clear;
		2338	}
		2339
		2340	sub reset_at {
		2341	my ($self) = @_;
		2342
		2343	# TODO: safety, remove and allow resettable per-player maps
		2344	return 1e99 if $self->{deny_reset};
		2345
		2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		2348
		2349	$time + $to
		2350	}
		2351
		2352	sub should_reset {
		2353	my ($self) = @_;
		2354
		2355	$self->reset_at <= $cf::RUNTIME
		2356	}
		2357
		2358	sub reset {
		2359	my ($self) = @_;
		2360
		2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2362
		2363	return if $self->players;
		2364
		2365	cf::trace "resetting map ", $self->path, "\n";
		2366
		2367	$self->in_memory (cf::MAP_SWAPPED);
		2368
		2369	# need to save uniques path
		2370	unless ($self->{deny_save}) {
		2371	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2372
		2373	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2374	if $uniq;
		2375	}
		2376
		2377	delete $cf::MAP{$self->path};
2270		2378
2271	$self->deactivate;	2379	$self->deactivate;
2272	$_->clear_links_to ($self) for values %cf::MAP;	2380	$_->clear_links_to ($self) for values %cf::MAP;
2273	$self->clear;	2381	$self->clear;
2274	}
2275
2276	sub reset_at {
2277	my ($self) = @_;
2278
2279	# TODO: safety, remove and allow resettable per-player maps
2280	return 1e99 if $self->{deny_reset};
2281
2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
2284
2285	$time + $to
2286	}
2287
2288	sub should_reset {
2289	my ($self) = @_;
2290
2291	$self->reset_at <= $cf::RUNTIME
2292	}
2293
2294	sub reset {
2295	my ($self) = @_;
2296
2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
2298
2299	return if $self->players;
2300
2301	warn "resetting map ", $self->path;
2302
2303	$self->in_memory (cf::MAP_SWAPPED);
2304
2305	# need to save uniques path
2306	unless ($self->{deny_save}) {
2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
2308
2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2310	if $uniq;
2311	}
2312
2313	delete $cf::MAP{$self->path};
2314
2315	$self->deactivate;
2316	$_->clear_links_to ($self) for values %cf::MAP;
2317	$self->clear;
2318		2382
2319	$self->unlink_save;	2383	$self->unlink_save;
2320	$self->destroy;	2384	$self->destroy;
2321	}	2385	}
2322		2386
…		…
2330		2394
2331	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2332		2396
2333	$self->unlink_save;	2397	$self->unlink_save;
2334		2398
2335	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2336	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2337	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2338	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2340		2404
…		…
2397	: normalise $_	2461	: normalise $_
2398	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2399	]	2463	]
2400	}	2464	}
2401		2465
		2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" \|\| $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
		2497
2402	=back	2498	=back
2403		2499
2404	=head3 cf::object	2500	=head3 cf::object
2405		2501
2406	=cut	2502	=cut
…		…
2471		2567
2472	our $SAY_CHANNEL = {	2568	our $SAY_CHANNEL = {
2473	id => "say",	2569	id => "say",
2474	title => "Map",	2570	title => "Map",
2475	reply => "say ",	2571	reply => "say ",
2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477	};	2573	};
2478		2574
2479	our $CHAT_CHANNEL = {	2575	our $CHAT_CHANNEL = {
2480	id => "chat",	2576	id => "chat",
2481	title => "Chat",	2577	title => "Chat",
…		…
2536		2632
2537	=item $player_object->enter_link	2633	=item $player_object->enter_link
2538		2634
2539	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2540		2636
2541	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
2542	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2543		2641
2544	Will never block.	2642	Will never block.
2545		2643
2546	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2547		2645
…		…
2567	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2568	my ($self) = @_;	2666	my ($self) = @_;
2569		2667
2570	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2571		2669
		2670	++$self->{_link_recursion};
		2671
2572	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2573		2673
2574	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
2575	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2576		2676
2577	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP \|\| link_map, 3, 3);
2578	}	2678	}
2579		2679
2580	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2581	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2582		2682
…		…
2599	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2600	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2601		2701
2602	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2603	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2604	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2605		2705
2606	$map->load;	2706	$map->load;
2607	$map->load_neighbours;	2707	$map->load_neighbours;
2608		2708
2609	return unless $self->contr->active;	2709	return unless $self->contr->active;
2610	$self->activate_recursive;
2611		2710
2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2614	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2615		2718
		2719	}
		2720
2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2617		2722
2618	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
2619	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
2620	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
2621	the new (success) or old (failed) map position. In either case, $done will	2726	the new (success) or old (failed) map position. In either case, $done will
…		…
2628		2733
2629	our $GOTOGEN;	2734	our $GOTOGEN;
2630		2735
2631	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2632	my ($self, $path, $x, $y, $check, $done) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
2633		2744
2634	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2636		2747
2637	$self->enter_link;	2748	$self->enter_link;
…		…
2661	my $map = eval {	2772	my $map = eval {
2662	my $map = defined $path ? cf::map::find $path : undef;	2773	my $map = defined $path ? cf::map::find $path : undef;
2663		2774
2664	if ($map) {	2775	if ($map) {
2665	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2666	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2667	} else {	2778	} else {
2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE \| cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE \| cf::NDI_RED);
2669	}	2780	}
2670		2781
2671	$map	2782	$map
…		…
2679	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2680	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2681	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2682	}	2793	}
2683		2794
2684	$done->() if $done;	2795	$done->($self) if $done;
2685	})->prio (1);	2796	})->prio (1);
2686	}	2797	}
2687		2798
2688	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2689		2800
…		…
2777	$self->contr->savebed ($map, $x, $y)	2888	$self->contr->savebed ($map, $x, $y)
2778	if $exit->flag (cf::FLAG_DAMNED);	2889	if $exit->flag (cf::FLAG_DAMNED);
2779		2890
2780	1	2891	1
2781	}) {	2892	}) {
2782	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2783	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2784	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2785	cf::NDI_UNIQUE \| cf::NDI_RED);	2896	cf::NDI_UNIQUE \| cf::NDI_RED);
2786		2897
2787	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2788	$self->leave_link;	2899	$self->leave_link;
2789	}	2900	}
2790	})->prio (1);	2901	})->prio (1);
2791	}	2902	}
2792		2903
…		…
2804	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
2805	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
2806		2917
2807	utf8::encode $text;	2918	utf8::encode $text;
2808	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
		2920	}
		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
2809	}	2945	}
2810		2946
2811	=item $client->send_msg ($channel, $msg, $color, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2812		2948
2813	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2817		2953
2818	=cut	2954	=cut
2819		2955
2820	# non-persistent channels (usually the info channel)	2956	# non-persistent channels (usually the info channel)
2821	our %CHANNEL = (	2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
2822	"c/identify" => {	2964	"c/identify" => {
2823	id => "infobox",	2965	id => "infobox",
2824	title => "Identify",	2966	title => "Identify",
2825	reply => undef,	2967	reply => undef,
2826	tooltip => "Items recently identified",	2968	tooltip => "Items recently identified",
…		…
2828	"c/examine" => {	2970	"c/examine" => {
2829	id => "infobox",	2971	id => "infobox",
2830	title => "Examine",	2972	title => "Examine",
2831	reply => undef,	2973	reply => undef,
2832	tooltip => "Signs and other items you examined",	2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
2833	},	2981	},
2834	"c/book" => {	2982	"c/book" => {
2835	id => "infobox",	2983	id => "infobox",
2836	title => "Book",	2984	title => "Book",
2837	reply => undef,	2985	reply => undef,
…		…
2853	id => "infobox",	3001	id => "infobox",
2854	title => "Body Parts",	3002	title => "Body Parts",
2855	reply => undef,	3003	reply => undef,
2856	tooltip => "Shows which body parts you posess and are available",	3004	tooltip => "Shows which body parts you posess and are available",
2857	},	3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
2858	"c/uptime" => {	3042	"c/uptime" => {
2859	id => "infobox",	3043	id => "infobox",
2860	title => "Uptime",	3044	title => "Uptime",
2861	reply => undef,	3045	reply => undef,
2862	tooltip => "How long the server has been running since last restart",	3046	tooltip => "How long the server has been running since last restart",
…		…
2871	id => "party",	3055	id => "party",
2872	title => "Party",	3056	title => "Party",
2873	reply => "gsay ",	3057	reply => "gsay ",
2874	tooltip => "Messages and chat related to your party",	3058	tooltip => "Messages and chat related to your party",
2875	},	3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
2876	);	3068	);
2877		3069
2878	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2879	my ($self, $channel, $msg, $color, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2880		3072
2881	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
2882		3075
2883	$color &= cf::NDI_CLIENT_MASK; # just in case...	3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
2884		3077
2885	# check predefined channels, for the benefit of C	3078	# check predefined channels, for the benefit of C
2886	if ($CHANNEL{$channel}) {	3079	if ($CHANNEL{$channel}) {
2887	$channel = $CHANNEL{$channel};	3080	$channel = $CHANNEL{$channel};
2888		3081
2889	$self->ext_msg (channel_info => $channel)	3082	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891
2892	$channel = $channel->{id};	3083	$channel = $channel->{id};
2893		3084
2894	} elsif (ref $channel) {	3085	} elsif (ref $channel) {
2895	# send meta info to client, if not yet sent	3086	# send meta info to client, if not yet sent
2896	unless (exists $self->{channel}{$channel->{id}}) {	3087	unless (exists $self->{channel}{$channel->{id}}) {
2897	$self->{channel}{$channel->{id}} = $channel;	3088	$self->{channel}{$channel->{id}} = $channel;
2898	$self->ext_msg (channel_info => $channel)	3089	$self->ext_msg (channel_info => $channel);
2899	if $self->can_msg;
2900	}	3090	}
2901		3091
2902	$channel = $channel->{id};	3092	$channel = $channel->{id};
2903	}	3093	}
2904		3094
2905	return unless @extra \|\| length $msg;	3095	return unless @extra \|\| length $msg;
2906		3096
2907	if ($self->can_msg) {
2908	# default colour, mask it out	3097	# default colour, mask it out
2909	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	3098	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2910	if $color & cf::NDI_DEF;	3099	if $color & cf::NDI_DEF;
2911		3100
2912	$self->send_packet ("msg " . $self->{json_coder}->encode (	3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2914	} else {	3104	);
2915	if ($color >= 0) {
2916	# replace some tags by gcfclient-compatible ones
2917	for ($msg) {
2918	1 while
2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2920	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2921	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2922	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2923	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2924	}
2925		3105
2926	$color &= cf::NDI_COLOR_MASK;	3106	$self->send_big_packet ($pkt);
2927
2928	utf8::encode $msg;
2929
2930	if (0 && $msg =~ /\[/) {
2931	# COMMAND/INFO
2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
2933	} else {
2934	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2935	$self->send_packet ("drawinfo $color $msg")
2936	}
2937	}
2938	}
2939	}	3107	}
2940		3108
2941	=item $client->ext_msg ($type, @msg)	3109	=item $client->ext_msg ($type, @msg)
2942		3110
2943	Sends an ext event to the client.	3111	Sends an ext event to the client.
…		…
2946		3114
2947	sub cf::client::ext_msg($$@) {	3115	sub cf::client::ext_msg($$@) {
2948	my ($self, $type, @msg) = @_;	3116	my ($self, $type, @msg) = @_;
2949		3117
2950	if ($self->extcmd == 2) {	3118	if ($self->extcmd == 2) {
2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2952	} elsif ($self->extcmd == 1) { # TODO: remove	3120	} elsif ($self->extcmd == 1) { # TODO: remove
2953	push @msg, msgtype => "event_$type";	3121	push @msg, msgtype => "event_$type";
2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2955	}	3123	}
2956	}	3124	}
2957		3125
2958	=item $client->ext_reply ($msgid, @msg)	3126	=item $client->ext_reply ($msgid, @msg)
2959		3127
…		…
2963		3131
2964	sub cf::client::ext_reply($$@) {	3132	sub cf::client::ext_reply($$@) {
2965	my ($self, $id, @msg) = @_;	3133	my ($self, $id, @msg) = @_;
2966		3134
2967	if ($self->extcmd == 2) {	3135	if ($self->extcmd == 2) {
2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2969	} elsif ($self->extcmd == 1) {	3137	} elsif ($self->extcmd == 1) {
2970	#TODO: version 1, remove	3138	#TODO: version 1, remove
2971	unshift @msg, msgtype => "reply", msgid => $id;	3139	unshift @msg, msgtype => "reply", msgid => $id;
2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2973	}	3141	}
2974	}	3142	}
2975		3143
2976	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2977		3145
…		…
3048		3216
3049	$ns->ext_reply ($reply, @reply)	3217	$ns->ext_reply ($reply, @reply)
3050	if $reply;	3218	if $reply;
3051		3219
3052	} else {	3220	} else {
3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3054	}	3222	}
3055		3223
3056	cf::override;	3224	cf::override;
3057	},	3225	},
3058	);	3226	);
…		…
3078		3246
3079	$coro	3247	$coro
3080	}	3248	}
3081		3249
3082	cf::client->attach (	3250	cf::client->attach (
3083	on_destroy => sub {	3251	on_client_destroy => sub {
3084	my ($ns) = @_;	3252	my ($ns) = @_;
3085		3253
3086	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
3087	},	3255	},
3088	);	3256	);
…		…
3104	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
3105		3273
3106	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
3107		3275
3108	$safe->permit_only (Opcode::opset qw(	3276	$safe->permit_only (Opcode::opset qw(
3109	:base_core :base_mem :base_orig :base_math	3277	:base_core :base_mem :base_orig :base_math :base_loop
3110	grepstart grepwhile mapstart mapwhile	3278	grepstart grepwhile mapstart mapwhile
3111	sort time	3279	sort time
3112	));	3280	));
3113		3281
3114	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
…		…
3118	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
3119		3287
3120	cf::object	3288	cf::object
3121	contr pay_amount pay_player map x y force_find force_add destroy	3289	contr pay_amount pay_player map x y force_find force_add destroy
3122	insert remove name archname title slaying race decrease split	3290	insert remove name archname title slaying race decrease split
		3291	value
3123		3292
3124	cf::object::player	3293	cf::object::player
3125	player	3294	player
3126		3295
3127	cf::player	3296	cf::player
…		…
3133	=cut	3302	=cut
3134		3303
3135	for (	3304	for (
3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3137	insert remove inv nrof name archname title slaying race	3306	insert remove inv nrof name archname title slaying race
3138	decrease split destroy change_exp)],	3307	decrease split destroy change_exp value msg lore send_msg)],
3139	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
3140	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
3141	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
3142	) {	3311	) {
3143	no strict 'refs';
3144	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
3145	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3146	for @funs;	3314	for @funs;
3147	}	3315	}
3148		3316
…		…
3163		3331
3164	my $qcode = $code;	3332	my $qcode = $code;
3165	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3166	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
3167		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
3168	local $_;	3339	local $_;
3169	local @safe::cf::_safe_eval_args = values %vars;
3170		3340
3171	my $eval =	3341	my $eval =
3172	"do {\n"	3342	"do {\n"
3173	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3174	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
3175	. $code	3345	. $code
3176	. "\n}"	3346	. "\n}"
3177	;	3347	;
3178		3348
		3349	if ($CFG{safe_eval}) {
3179	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
3180	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3181	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
3182		3358
3183	if ($@) {	3359	if ($@) {
3184	warn "$@";	3360	warn "$@",
3185	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
3186	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
3187	}	3363	}
3188		3364
3189	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
3190	}	3366	}
3191		3367
…		…
3205	=cut	3381	=cut
3206		3382
3207	sub register_script_function {	3383	sub register_script_function {
3208	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
3209		3385
3210	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
3211	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
3212	}	3388	}
3213		3389
3214	=back	3390	=back
3215		3391
3216	=cut	3392	=cut
…		…
3225	# for this (global event?)	3401	# for this (global event?)
3226	%ext::player_env::MUSIC_FACE_CACHE = ();	3402	%ext::player_env::MUSIC_FACE_CACHE = ();
3227		3403
3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3229		3405
3230	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
3231		3407
3232	my $facedata;
3233	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
3234	or die "$path: $!";	3409	or die "$path: $!";
3235		3410
3236	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
3237		3412
3238	$facedata->{version} == 2	3413	$facedata->{version} == 2
3239	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
3240		3415
3241	# patch in the exptable	3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3242	$facedata->{resource}{"res/exp_table"} = {	3418	$facedata->{resource}{"res/exp_table"} = {
3243	type => FT_RSRC,	3419	type => FT_RSRC,
3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
3245	};	3422	};
3246	cf::cede_to_tick;	3423	cf::cede_to_tick;
3247		3424
3248	{	3425	{
3249	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
…		…
3251	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
3252	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
3253		3430
3254	cf::face::set_visibility $idx, $info->{visibility};	3431	cf::face::set_visibility $idx, $info->{visibility};
3255	cf::face::set_magicmap $idx, $info->{magicmap};	3432	cf::face::set_magicmap $idx, $info->{magicmap};
3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3258		3435
3259	cf::cede_to_tick;	3436	cf::cede_to_tick;
3260	}	3437	}
3261		3438
3262	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
…		…
3267		3444
3268	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
3269	cf::face::set_smooth $idx, $smooth;	3446	cf::face::set_smooth $idx, $smooth;
3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3271	} else {	3448	} else {
3272	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
3273	}	3450	}
3274		3451
3275	cf::cede_to_tick;	3452	cf::cede_to_tick;
3276	}	3453	}
3277	}	3454	}
…		…
3286		3463
3287	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
3288	}	3465	}
3289		3466
3290	{	3467	{
3291	# TODO: for gcfclient pleasure, we should give resources
3292	# that gcfclient doesn't grok a >10000 face index.
3293	my $res = $facedata->{resource};	3468	my $res = $facedata->{resource};
3294		3469
3295	while (my ($name, $info) = each %$res) {	3470	while (my ($name, $info) = each %$res) {
3296	if (defined $info->{type}) {	3471	if (defined $info->{type}) {
3297	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;	3472	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
3298	my $data;
3299		3473
3300	if ($info->{type} & 1) {	3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3301	# prepend meta info
3302
3303	my $meta = $enc->encode ({
3304	name => $name,
3305	%{ $info->{meta} \|\| {} },
3306	});
3307
3308	$data = pack "(w/a)", $meta, $info->{data};
3309	} else {
3310	$data = $info->{data};
3311	}
3312
3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3314	cf::face::set_type $idx, $info->{type};	3475	cf::face::set_type $idx, $info->{type};
3315	} else {	3476	} else {
3316	$RESOURCE{$name} = $info;	3477	$RESOURCE{$name} = $info; # unused
3317	}	3478	}
3318		3479
3319	cf::cede_to_tick;	3480	cf::cede_to_tick;
3320	}	3481	}
3321	}	3482	}
3322		3483
3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3324		3485
3325	1	3486	1
3326	}	3487	}
3327
3328	cf::global->attach (on_resource_update => sub {
3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3331
3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3333	my $sound = $soundconf->{compat}[$_]
3334	or next;
3335
3336	my $face = cf::face::find "sound/$sound->[1]";
3337	cf::sound::set $sound->[0] => $face;
3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3339	}
3340
3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
3342	my $face = cf::face::find "sound/$v";
3343	cf::sound::set $k => $face;
3344	}
3345	}
3346	});
3347		3488
3348	register_exticmd fx_want => sub {	3489	register_exticmd fx_want => sub {
3349	my ($ns, $want) = @_;	3490	my ($ns, $want) = @_;
3350		3491
3351	while (my ($k, $v) = each %$want) {	3492	while (my ($k, $v) = each %$want) {
…		…
3390	sub reload_treasures {	3531	sub reload_treasures {
3391	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
3392	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
3393	}	3534	}
3394		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
3395	sub reload_resources {	3559	sub reload_resources {
3396	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
3397		3561
		3562	reload_exp_table;
		3563	reload_materials;
3398	reload_facedata;	3564	reload_facedata;
		3565	reload_sound;
3399	reload_archetypes;	3566	reload_archetypes;
3400	reload_regions;	3567	reload_regions;
3401	reload_treasures;	3568	reload_treasures;
3402		3569
3403	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
3404	}
3405
3406	sub init {
3407	my $guard = freeze_mainloop;
3408
3409	evthread_start IO::AIO::poll_fileno;
3410
3411	reload_resources;
3412	}	3571	}
3413		3572
3414	sub reload_config {	3573	sub reload_config {
3415	open my $fh, "<:utf8", "$CONFDIR/config"	3574	trace "reloading config file...\n";
3416	or return;
3417		3575
3418	local $/;	3576	0 < aio_load "$CONFDIR/config", my $config
3419	*CFG = YAML::Load <$fh>;	3577	or die "$CONFDIR/config: $!";
3420		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
3421	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_104_115", 49, 38];
3422		3583
3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3425		3586
3426	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
3430	};	3591	};
3431	warn $@ if $@;	3592	warn $@ if $@;
3432	}	3593	}
3433	}	3594	}
3434		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
3435	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
3436	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
3437	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3439	(async {	3637	(async {
3440	$Coro::current->{desc} = "IDLE BUG HANDLER";	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
3441	EV::loop EV::LOOP_ONESHOT;	3639	EV::loop EV::LOOP_ONESHOT;
3442	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
3443	};	3641	};
3444		3642
3445	{	3643	evthread_start IO::AIO::poll_fileno;
3446	my $guard = freeze_mainloop;	3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
3447	reload_config;	3655	reload_config;
3448	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
3449	load_extensions;	3666	load_extensions;
3450		3667
3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3668	utime time, time, $RUNTIMEFILE;
		3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
3452	}	3675	};
3453		3676
3454	EV::loop;	3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
3455	}	3686	}
3456		3687
3457	#############################################################################	3688	#############################################################################
3458	# initialisation and cleanup	3689	# initialisation and cleanup
3459		3690
3460	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
3461	BEGIN {	3692	BEGIN {
3462	our %SIGWATCHER = ();	3693	our %SIGWATCHER = ();
3463	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3465	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
3466	};	3697	};
3467	}	3698	}
3468	}	3699	}
3469		3700
3470	sub write_runtime_sync {	3701	sub write_runtime_sync {
3471	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
3472		3703
3473	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
3474	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
3475		3706
3476	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3477		3708
3478	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
3479		3710
3480	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT \| O_TRUNC, 0644
3481	or return;	3712	or return;
3482		3713
3483	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
3484	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
3485	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
3495	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
3496		3727
3497	close $fh	3728	close $fh
3498	or return;	3729	or return;
3499		3730
3500	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3501	and return;	3732	and return;
3502		3733
3503	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3504		3735
3505	1	3736	1
3506	}	3737	}
3507		3738
3508	our $uuid_lock;	3739	our $uuid_lock;
…		…
3517	my $uuid = "$LOCALDIR/uuid";	3748	my $uuid = "$LOCALDIR/uuid";
3518		3749
3519	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3750	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3520	or return;	3751	or return;
3521		3752
3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
3523	$uuid_skip = 0;	3761	$uuid_skip = 0;
3524		3762
3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3526	and return;	3764	and return;
3527		3765
…		…
3533	or return;	3771	or return;
3534		3772
3535	aio_rename "$uuid~", $uuid	3773	aio_rename "$uuid~", $uuid
3536	and return;	3774	and return;
3537		3775
3538	warn "uuid file written ($value).\n";	3776	trace "uuid file written ($value).\n";
3539		3777
3540	1	3778	1
3541		3779
3542	}	3780	}
3543		3781
…		…
3549	}	3787	}
3550		3788
3551	sub emergency_save() {	3789	sub emergency_save() {
3552	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
3553		3791
3554	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
3555		3798
3556	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
3557	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
3558	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
3559	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
3560	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
3561	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
3562	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
3563	$pl->valid or next;	3808	$pl->valid or next;
3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3565	$pl->save;	3810	$pl->save;
3566	}	3811	}
3567	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
3568		3813
3569	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
3570	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
3571	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
3572	$map->valid or next;	3819	$map->valid or next;
3573	$map->save;	3820	$map->save;
3574	}	3821	}
3575	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
3576		3823
3577	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
3578	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
3579	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
3580		3829
3581	warn "begin write uuid\n";	3830	info "emergency_perl_save: begin write uuid\n";
3582	write_uuid_sync 1;	3831	write_uuid_sync 1;
3583	warn "end write uuid\n";	3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs \|\| BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
3584	};	3852	};
3585		3853
3586	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
3587	}	3855	}
3588		3856
3589	sub post_cleanup {	3857	sub post_cleanup {
3590	my ($make_core) = @_;	3858	my ($make_core) = @_;
3591		3859
		3860	IO::AIO::flush;
		3861
3592	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
3593	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
3594	}	3867	}
3595		3868
3596	# a safer delete_package, copied from Symbol	3869	# a safer delete_package, copied from Symbol
3597	sub clear_package($) {	3870	sub clear_package($) {
3598	my $pkg = shift;	3871	my $pkg = shift;
…		…
3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3615	for my $name (keys %$leaf_symtab) {	3888	for my $name (keys %$leaf_symtab) {
3616	_gv_clear *{"$pkg$name"};	3889	_gv_clear *{"$pkg$name"};
3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3618	}	3891	}
3619	warn "cleared package #$pkg\n";#d#
3620	}	3892	}
3621
3622	our $RELOAD; # how many times to reload
3623		3893
3624	sub do_reload_perl() {	3894	sub do_reload_perl() {
3625	# can/must only be called in main	3895	# can/must only be called in main
3626	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
3627	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
3628	return;	3898	return;
3629	}	3899	}
3630		3900
3631	return if $RELOAD++;	3901	return if $RELOAD++;
3632		3902
		3903	my $t1 = AE::time;
		3904
3633	while ($RELOAD) {	3905	while ($RELOAD) {
3634	warn "reloading...";	3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
3635		3908
3636	warn "entering sync_job";	3909	trace "perl_reload: entering sync_job";
3637		3910
3638	cf::sync_job {	3911	cf::sync_job {
3639	cf::write_runtime_sync; # external watchdog should not bark
3640	cf::emergency_save;	3912	#cf::emergency_save;
3641	cf::write_runtime_sync; # external watchdog should not bark
3642		3913
3643	warn "syncing database to disk";
3644	BDB::db_env_txn_checkpoint $DB_ENV;
3645
3646	# if anything goes wrong in here, we should simply crash as we already saved
3647
3648	warn "flushing outstanding aio requests";
3649	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3651	}
3652
3653	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
3654	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
3655	%EXT_CORO = ();	3916	%EXT_CORO = ();
3656		3917
3657	warn "removing commands";	3918	trace "perl_reload: removing commands";
3658	%COMMAND = ();	3919	%COMMAND = ();
3659		3920
3660	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
3661	%EXTCMD = ();	3922	%EXTCMD = ();
3662	%EXTICMD = ();	3923	%EXTICMD = ();
3663		3924
3664	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
3665	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
3666	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
3667		3928
3668	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
3669	eval {	3930	eval {
3670	$cb->($pkg);	3931	$cb->($pkg);
3671	1	3932	1
3672	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
3673	}	3934	}
3674		3935
3675	warn "... clearing $pkg";	3936	trace "... clearing $pkg";
3676	clear_package $pkg;	3937	clear_package $pkg;
3677	}	3938	}
3678		3939
3679	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3680	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3682		3943
3683	warn "... unloading $k";	3944	trace "... unloading $k";
3684	delete $INC{$k};	3945	delete $INC{$k};
3685		3946
3686	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
3687	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
3688		3949
…		…
3691	}	3952	}
3692		3953
3693	clear_package $k;	3954	clear_package $k;
3694	}	3955	}
3695		3956
3696	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
3697	clear_package "safe::$_"	3958	clear_package "safe::$_"
3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3699		3960
3700	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
3701	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
3702	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3703		3964
3704	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
3705	# and global variables created in xs	3966	# and global variables created in xs
3706	#clear_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
3707		3968
3708	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
3709		3970
3710	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
3711	require cf;	3972	require cf;
3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
3713		3974
3714	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
3715	cf::reload_config;	3976	cf::reload_config;
3716		3977
3717	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
3718	cf::load_extensions;	3979	cf::load_extensions;
3719		3980
		3981	if ($REATTACH_ON_RELOAD) {
3720	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3721	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3722	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3723	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3724	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3725	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3726		3989
3727	warn "leaving sync_job";	3990	cf::_post_init 1;
		3991
		3992	trace "perl_reload: leaving sync_job";
3728		3993
3729	1	3994	1
3730	} or do {	3995	} or do {
3731	warn $@;	3996	error $@;
3732	cf::cleanup "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3733	};	3998	};
3734		3999
3735	warn "reloaded";
3736	--$RELOAD;	4000	--$RELOAD;
3737	}	4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3738	};	4005	};
3739		4006
3740	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3741		4008
3742	sub reload_perl() {	4009	sub reload_perl() {
3743	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3744	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3745		4012
		4013	$RELOAD_WATCHER \|\|= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
3746	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3747	do_reload_perl;	4017	do_reload_perl;
3748	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
		4019	};
3749	};	4020	};
3750	}	4021	}
3751		4022
3752	register_command "reload" => sub {	4023	register_command "reload" => sub {
3753	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
…		…
3759	reload_perl;	4030	reload_perl;
3760	};	4031	};
3761	}	4032	}
3762	};	4033	};
3763		4034
3764	unshift @INC, $LIBDIR;	4035	#############################################################################
3765		4036
3766	my $bug_warning = 0;	4037	my $bug_warning = 0;
3767		4038
3768	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3769	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3770		4041
3771	sub wait_for_tick {	4042	sub wait_for_tick() {
3772	return if tick_inhibit \|\| $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit \|\| $Coro::current == $Coro::main;
3773		4044
3774	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3775	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3776	$signal->wait;	4047	$signal->wait;
3777	}	4048	}
3778		4049
3779	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3780	return if tick_inhibit \|\| $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit \|\| $Coro::current == $Coro::main;
3781		4052
3782	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3783	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3784	$signal->wait;	4055	$signal->wait;
3785	}	4056	}
…		…
3791	return;	4062	return;
3792	}	4063	}
3793		4064
3794	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3795		4066
		4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4068
3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3798	Coro::async_pool {	4071	Coro::async_pool {
3799	$Coro::current->{desc} = "runtime saver";	4072	$Coro::current->{desc} = "runtime saver";
3800	write_runtime_sync	4073	write_runtime_sync
3801	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
3802	};	4075	};
3803	}	4076	}
3804		4077
3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3806	$sig->send;	4079	$sig->send;
…		…
3814		4087
3815	if (0) {	4088	if (0) {
3816	if ($NEXT_TICK) {	4089	if ($NEXT_TICK) {
3817	my $jitter = $TICK_START - $NEXT_TICK;	4090	my $jitter = $TICK_START - $NEXT_TICK;
3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3819	warn "jitter $JITTER\n";#d#	4092	debug "jitter $JITTER\n";#d#
3820	}	4093	}
3821	}	4094	}
3822	}	4095	}
3823		4096
3824	{	4097	{
3825	# configure BDB	4098	# configure BDB
3826		4099
3827	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
3828	BDB::max_poll_reqs $TICK * 0.1;	4101	BDB::max_poll_reqs $TICK * 0.1;
3829	$AnyEvent::BDB::WATCHER->priority (1);	4102	$AnyEvent::BDB::WATCHER->priority (1);
3830		4103
3831	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3832	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
…		…
3869	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3870	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3871	undef $AnyEvent::AIO::WATCHER;	4144	undef $AnyEvent::AIO::WATCHER;
3872	}	4145	}
3873		4146
3874	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3875		4149
3876	sub _log_backtrace {	4150	sub _log_backtrace {
3877	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3878		4152
3879	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3880		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3881	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3882	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3883	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3884	async {	4163	async {
3885	$Coro::current->{desc} = "abt $msg";	4164	$Coro::current->{desc} = "abt $msg";
3886		4165
3887	my @bt = fork_call {	4166	my @bt = fork_call {
3888	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
…		…
3899	}	4178	}
3900		4179
3901	@funcs	4180	@funcs
3902	};	4181	};
3903		4182
3904	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3905	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3906	--$_log_backtrace;	4186	--$_log_backtrace;
3907	};	4187	};
3908	} else {	4188	} else {
3909	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3910	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3911	}	4191	}
3912	}	4192	}
3913		4193
3914	# load additional modules	4194	# load additional modules
3915	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3916		4197
3917	END { cf::emergency_save }	4198	END { cf::emergency_save }
3918		4199
3919	1	4200	1
3920		4201

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs. Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC