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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
24	use Coro::Util ();	50	use Coro::Util ();
25		51
26	use JSON::XS 1.4 ();	52	use JSON::XS 2.01 ();
27	use BDB ();	53	use BDB ();
28	use Data::Dumper;	54	use Data::Dumper;
29	use Digest::MD5;	55	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		75
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		77
52	our %COMMAND = ();	78	our %COMMAND = ();
53	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	82	our %EXTCMD = ();
57	our %EXTICMD = ();	83	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
60		86
61	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	88	our @EVENT;
63		89
64	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	91	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
75		105
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	108	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	114	our $DB_ENV;
86		115
87	our %CFG;	116	our %CFG;
88		117
89	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
91		121
92	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
95		125
96	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		128
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		137
103	binmode STDOUT;	138	binmode STDOUT;
104	binmode STDERR;	139	binmode STDERR;
105		140
106	# read virtual server time, if available	141	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
111	}	146	}
112		147
113	mkdir $_	148	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		194
160	The raw value load value from the last tick.	195	The raw value load value from the last tick.
161		196
162	=item %cf::CFG	197	=item %cf::CFG
163		198
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	200	from wherever your confdir points to.
166		201
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		203
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	222	$msg .= "\n"
188	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
189		224
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		226
192	utf8::encode $msg;
193	LOG llevError, $msg;	227	LOG llevError, $msg;
194	};	228	};
195	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
196		245
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	256	for my $pkg (qw(
208	cf::global cf::attachable	257	cf::global cf::attachable
209	cf::object cf::object::player	258	cf::object cf::object::player
210	cf::client cf::player	259	cf::client cf::player
211	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
212	cf::map cf::party cf::region	262	cf::party cf::region
213	)) {	263	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	265	}
217		266
218	$Event::DIED = sub {	267	$EV::DIED = sub {
219	warn "error in event callback: @_";	268	warn "error in event callback: @_";
220	};	269	};
221		270
222	#############################################################################	271	#############################################################################
223		272
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	296	$d
248	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
249	}	298	}
250		299
251	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
252		301
253	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
254		303
255	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
256		305
257	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
258		307
259	=cut	308	=cut
260		309
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		311
263	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
265		328
266	=item cf::lock_wait $string	329	=item cf::lock_wait $string
267		330
268	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
269		332
270	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
271		334
272	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
275	returned.	338	returned.
276		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
277	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
279		345
280	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
281		347
282	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
283		349
284	=cut	350	=cut
285		351
286	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
287		354
288	sub lock_wait($) {	355	sub lock_wait($) {
289	my ($key) = @_;	356	my ($key) = @_;
290		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
291	# wait for lock, if any	363	# wait for lock, if any
292	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
293	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	367	Coro::schedule;
295	}	368	}
296	}	369	}
297		370
…		…
300		373
301	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
302	lock_wait $key;	375	lock_wait $key;
303		376
304	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
305		379
306	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
309	}	384	}
310	}	385	}
311		386
…		…
314		389
315	! ! $LOCK{$key}	390	! ! $LOCK{$key}
316	}	391	}
317		392
318	sub freeze_mainloop {	393	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
320		395
321	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	397	}
323	};	398
324	$TICK_WATCHER->stop;	399	=item cf::periodic $interval, $cb
325	$guard	400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
326	}	412	}
327		413
328	=item cf::get_slot $time[, $priority[, $name]]	414	=item cf::get_slot $time[, $priority[, $name]]
329		415
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	427	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	428	our $SLOT_QUEUE;
343		429
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
346	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
347		435
348	while () {	436	while () {
349	next_job:	437	next_job:
350	my $avail = cf::till_tick;	438	my $avail = cf::till_tick;
…		…
358	}	446	}
359	}	447	}
360	}	448	}
361		449
362	if (@SLOT_QUEUE) {	450	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	452	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	453	$signal->wait;
366	} else {	454	} else {
367	Coro::schedule;	455	Coro::schedule;
368	}	456	}
369	}	457	}
370	};	458	};
371		459
372	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
373	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
374		464
375	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
377		467
…		…
391		481
392	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
393		483
394	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
395		485
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	489	acceptable.
400		490
401	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		497
408	sub sync_job(&) {	498	sub sync_job(&) {
409	my ($job) = @_;	499	my ($job) = @_;
410		500
411	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	502	my $time = EV::time;
413		503
414	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
416		506
417	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	508
419	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
420		510
421	my $busy = 1;	511	my $busy = 1;
422	my @res;	512	my @res;
423		513
424	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	516	@res = eval { $job->() };
426	warn $@ if $@;	517	warn $@ if $@;
427	undef $busy;	518	undef $busy;
428	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
429		520
430	while ($busy) {	521	while ($busy) {
431	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
432	}	526	}
		527	}
433		528
434	$time = Event::time - $time;	529	my $time = EV::time - $time;
435		530
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
440		532
441	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
442	} else {	534	} else {
443	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
444		536
…		…
469	=item fork_call { }, $args	561	=item fork_call { }, $args
470		562
471	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
475		567
476	=cut	568	=cut
477		569
478	sub fork_call(&@) {	570	sub fork_call(&@) {
479	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
480		572
481	# we seemingly have to make a local copy of the whole thing,	573	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	574	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	575	# TODO: investigate and fix (likely this will be rather laborious)
484		576
485	my @res = Coro::Util::fork_eval {	577	my @res = Coro::Util::fork_eval {
486	reset_signals;	578	reset_signals;
487	&$cb	579	&$cb
488	}, @args;	580	}, @args;
489		581
490	wantarray ? @res : $res[-1]	582	wantarray ? @res : $res[-1]
491	}	583	}
492		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
493	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
494		613
495	Returns a single value from the environment database.	614	Returns a single value from the environment database.
496		615
497	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
498		617
499	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
502	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
503		644
504	our $DB;	645	our $DB;
505		646
506	sub db_init {	647	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	648	cf::sync_job {
511	eval {	649	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	650	};
521	}	651	}
522		652
523	sub db_get($$) {	653	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
525		655
…		…
575	if (1) {	705	if (1) {
576	$md5 =	706	$md5 =
577	join "\x00",	707	join "\x00",
578	$processversion,	708	$processversion,
579	map {	709	map {
580	Coro::cede;	710	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	712	} 0.. $#$src;
583		713
584		714
585	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		753
624	#############################################################################	754	#############################################################################
625		755
626	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
627		757
628	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
631		761
632	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	764	Deliantra).
635		765
636	=over 4	766	=over 4
637		767
638	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
639		769
…		…
683	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
684		814
685	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
687		817
688	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
690		820
691	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
692		822
693	=over 4	823	=over 4
…		…
921	}	1051	}
922		1052
923	0	1053	0
924	}	1054	}
925		1055
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1057
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1059
930	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
931		1061
…		…
937		1067
938	=cut	1068	=cut
939		1069
940	#############################################################################	1070	#############################################################################
941	# object support	1071	# object support
942	#
943		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
944	sub _can_merge {	1106	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1107	my ($ob1, $ob2) = @_;
946		1108
947	local $Storable::canonical = 1;	1109	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1110
951	$fob1 eq $fob2	1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
952	}	1113	}
953		1114
954	sub reattach {	1115	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1117	my ($obj) = @_;
957		1118
		1119	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1121
960	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
961		1123
962	@$registry = ();	1124	@$registry = ();
963		1125
…		…
978	cf::attachable->attach (	1140	cf::attachable->attach (
979	prio => -1000000,	1141	prio => -1000000,
980	on_instantiate => sub {	1142	on_instantiate => sub {
981	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
982		1144
983	$data = from_json $data;	1145	$data = decode_json $data;
984		1146
985	for (@$data) {	1147	for (@$data) {
986	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
987		1149
988	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1166	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
1006		1168
1007	sync_job {	1169	sync_job {
1008	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1011		1174
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1179	aio_close $fh;
1017		1180
1018	if (@$objs) {	1181	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1187	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1189	}
1027	} else {	1190	} else {
1028	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1029	}	1192	}
1030		1193
1031	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1198	} else {
1033	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1034	}	1200	}
1035	} else {	1201	} else {
1036	aio_unlink $filename;	1202	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1038	}	1204	}
1039	}	1205	};
1040	}	1206	}
1041		1207
1042	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
1044		1210
…		…
1056	or return;	1222	or return;
1057		1223
1058	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1226	or return;
		1227
1061	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1062	}	1230	}
1063		1231
		1232	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1066	return ($data, $av);	1236	($data, $av)
1067	}	1237	}
1068		1238
1069	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1070		1240
1071	=over 4	1241	=over 4
…		…
1125	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1126		1296
1127	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1128	}	1298	}
1129		1299
		1300	use File::Glob ();
		1301
1130	cf::player->attach (	1302	cf::player->attach (
1131	on_command => sub {	1303	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1133		1305
1134	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1149	my ($type, $reply, @payload) =	1321	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1322	"ARRAY" eq ref $msg
1151	? @$msg	1323	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1325
		1326	my @reply;
		1327
1154	if (my $cb = $EXTCMD{$type}) {	1328	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1329	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1160	} else {	1335	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1337	}
1163		1338
1164	cf::override;	1339	cf::override;
1165	},	1340	},
1166	);	1341	);
		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
1167		1355
1168	sub load_extensions {	1356	sub load_extensions {
1169	cf::sync_job {	1357	cf::sync_job {
1170	my %todo;	1358	my %todo;
1171		1359
…		…
1191		1379
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1382
1195	$ext{source} =	1383	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1198	. $source	1386	. $source
1199	. "\n};\n1";	1387	. "\n};\n1";
1200		1388
1201	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1217	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1218	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1219		1407
1220	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1221	warn $msg;	1409	warn $msg;
1222	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1223	exit 1;
1224	}	1411	}
1225		1412
1226	warn $msg;	1413	warn $msg;
1227	}	1414	}
1228		1415
…		…
1242		1429
1243	=back	1430	=back
1244		1431
1245	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1246		1433
1247	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1248		1435
1249	=cut	1436	=cut
1250		1437
1251	package cf::player;	1438	package cf::player;
1252		1439
1253	use Coro::AIO;	1440	use Coro::AIO;
1254		1441
1255	=head3 cf::player	1442	=head3 cf::player
1256		1443
1257	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1258		1459
1259	=item cf::player::find $login	1460	=item cf::player::find $login
1260		1461
1261	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1262		1463
…		…
1281		1482
1282	sub exists($) {	1483	sub exists($) {
1283	my ($login) = @_;	1484	my ($login) = @_;
1284		1485
1285	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1287	}	1488	}
1288		1489
1289	sub find($) {	1490	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1492	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1503
1303	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1306	}	1513	}
1307	}	1514	}
1308	}	1515	}
1309		1516
…		…
1318	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1319		1526
1320	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1322		1529
		1530	cf::get_slot 0.01;
		1531
1323	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1324	Coro::cede;	1533	cf::cede_to_tick;
1325	}	1534	}
1326		1535
1327	sub new($) {	1536	sub new($) {
1328	my ($login) = @_;	1537	my ($login) = @_;
1329		1538
…		…
1358	my ($pl) = @_;	1567	my ($pl) = @_;
1359		1568
1360	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1361		1570
1362	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1573
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1369		1580
1370	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1618	or return [];
1408		1619
1409	my @logins;	1620	my @logins;
1410		1621
1411	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1415		1632
1416	utf8::decode $login;	1633	utf8::decode $login;
1417	push @logins, $login;	1634	push @logins, $login;
1418	}	1635	}
1419		1636
…		…
1446	}	1663	}
1447		1664
1448	\@paths	1665	\@paths
1449	}	1666	}
1450		1667
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1669
1453	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1671
1501	=item $player->ext_reply ($msgid, @msg)	1672	=item $player->ext_reply ($msgid, @msg)
1502		1673
1503	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1504		1675
1505	=cut	1676	=cut
1506		1677
1507	sub ext_reply($$@) {	1678	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1679	my ($self, $id, @msg) = @_;
1509		1680
1510	if ($self->ns->extcmd == 2) {	1681	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1682	}
1518		1683
1519	=item $player->ext_msg ($type, @msg)	1684	=item $player->ext_msg ($type, @msg)
1520		1685
1521	Sends an ext event to the client.	1686	Sends an ext event to the client.
…		…
1577	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1579		1744
1580	sub generate_random_map {	1745	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1582	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1751	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1876
1709	# the temporary/swap location	1877	# the temporary/swap location
1710	sub save_path {	1878	sub save_path {
1711	my ($self) = @_;	1879	my ($self) = @_;
1712		1880
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1715	}	1883	}
1716		1884
1717	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1718	sub uniq_path {	1886	sub uniq_path {
1719	my ($self) = @_;	1887	my ($self) = @_;
1720		1888
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1723	}	1891	}
1724		1892
1725	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1726	# all maps in C++...	1894	# all maps in C++...
…		…
1749		1917
1750	sub load_header_from($) {	1918	sub load_header_from($) {
1751	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1752		1920
1753	utf8::encode $path;	1921	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1759		1930
1760	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1761		1932
1762	1	1933	1
1763	}	1934	}
…		…
1817	sub find {	1988	sub find {
1818	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1819		1990
1820	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1821		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1823		1995
1824	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1826	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1827	or return;	2001	or return;
1828		2002
1829	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1830		2004
…		…
1832	or return;	2006	or return;
1833		2007
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1837	$map->reset;	2013	$map->reset;
1838	undef $guard;
1839	return find $path;	2014	return find $path;
1840	}	2015	}
1841		2016
1842	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1843	}	2018	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1853		2028
1854	my $path = $self->{path};	2029	my $path = $self->{path};
1855		2030
1856	{	2031	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1858		2033
		2034	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2036
1861	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1862		2038
1863	$self->alloc;	2039	$self->alloc;
1864		2040
1865	$self->pre_load;	2041	$self->pre_load;
1866	Coro::cede;	2042	cf::cede_to_tick;
1867		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1869	or return;	2047	or return;
1870		2048
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1872	if delete $self->{load_original};	2050	if delete $self->{load_original};
1873		2051
1874	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2053	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2056	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1879	}	2060	}
1880	}	2061	}
1881		2062
1882	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1883	# now do the right thing for maps	2066	# now do the right thing for maps
1884	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2069	unless $self->difficulty;
1887	Coro::cede;	2070	cf::cede_to_tick;
1888		2071
1889	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2073	$self->decay_objects;
1891	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1892	$self->update_buttons;	2075	$self->update_buttons;
1893	Coro::cede;	2076	cf::cede_to_tick;
1894	$self->set_darkness_map;	2077	$self->set_darkness_map;
1895	Coro::cede;	2078	cf::cede_to_tick;
1896	$self->activate;	2079	$self->activate;
1897	}	2080	}
1898		2081
1899	$self->{last_save} = $cf::RUNTIME;	2082	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2083	$self->last_access ($cf::RUNTIME);
1901		2084
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2086	}
1904		2087
1905	$self->post_load;	2088	$self->post_load;
1906	}	2089	}
1907		2090
…		…
1916		2099
1917	$self	2100	$self
1918	}	2101	}
1919		2102
1920	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {	2104	sub load_neighbours {
1922	my ($map) = @_;	2105	my ($map) = @_;
1923		2106
1924	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1925		2108
1926	for (0 .. 3) {	2109	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1928	or next;	2111	or next;
1929	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1930	or next;	2113	or next;
1931	$neigh->load;	2114	$neigh->load;
1932		2115
		2116	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2119	}
1936		2120
1937	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1939	or next;	2124	or next;
1940	$neigh->load;	2125	$neigh->load;
1941	}	2126	}
1942	}	2127	}
1943		2128
…		…
1948	}	2133	}
1949		2134
1950	sub do_load_sync {	2135	sub do_load_sync {
1951	my ($map) = @_;	2136	my ($map) = @_;
1952		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1953	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1954	}	2142	}
1955		2143
1956	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1958		2146
1959	sub find_async {	2147	sub find_async {
1960	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1961		2149
1962	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1963		2151
1964	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2154	}
1967		2155
1968	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1969	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1970	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2163	if (my $map = find $k) {
1973	$map->load;	2164	$map->load if $v;
1974	}	2165	}
1975		2166
1976	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1977	}	2168	}
1978	}	2169	}
1979	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1980	};	2171	};
1981	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1984	}	2175	}
1985		2176
1986	sub save {	2177	sub save {
1987	my ($self) = @_;	2178	my ($self) = @_;
1988		2179
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1990		2181
1991	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1992		2183
1993	return unless $self->dirty;	2184	return unless $self->dirty;
1994		2185
…		…
2000	return if $self->{deny_save};	2191	return if $self->{deny_save};
2001		2192
2002	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
2003		2194
2004	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2006	};	2198	};
		2199
		2200	cf::get_slot 0.02;
2007		2201
2008	if ($uniq) {	2202	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2205	} else {
…		…
2017	my ($self) = @_;	2211	my ($self) = @_;
2018		2212
2019	# save first because save cedes	2213	# save first because save cedes
2020	$self->save;	2214	$self->save;
2021		2215
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2217
2024	return if $self->players;	2218	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2026	return if $self->{deny_save};	2220	return if $self->{deny_save};
2027		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2226	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2227	}
2031		2228
2032	sub reset_at {	2229	sub reset_at {
2033	my ($self) = @_;	2230	my ($self) = @_;
2034		2231
…		…
2066	if $uniq;	2263	if $uniq;
2067	}	2264	}
2068		2265
2069	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2070		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2270	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2271
2075	$self->unlink_save;	2272	$self->unlink_save;
2076	$self->destroy;	2273	$self->destroy;
2077	}	2274	}
2078		2275
2079	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
2080		2277
2081	sub nuke {	2278	sub nuke {
2082	my ($self) = @_;	2279	my ($self) = @_;
2083		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
2084	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
2085		2285
2086	$self->unlink_save;	2286	$self->unlink_save;
2087		2287
2088	bless $self, "cf::map";	2288	bless $self, "cf::map";
2089	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2293
2094	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
2095		2296
2096	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
2097	}	2298	}
2098		2299
2099	=item $maps = cf::map::tmp_maps	2300	=item $maps = cf::map::tmp_maps
…		…
2141		2342
2142	sub unique_maps() {	2343	sub unique_maps() {
2143	[	2344	[
2144	map {	2345	map {
2145	utf8::decode $_;	2346	utf8::decode $_;
2146	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2147	? normalise $_	2350	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2352	]
2151	}	2353	}
2152		2354
2153	package cf;
2154
2155	=back	2355	=back
2156		2356
2157	=head3 cf::object	2357	=head3 cf::object
2158		2358
2159	=cut	2359	=cut
…		…
2162		2362
2163	=over 4	2363	=over 4
2164		2364
2165	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2166		2366
2167	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2168		2369
2169	=cut	2370	=cut
2170		2371
2171	sub inv_recursive_;	2372	sub inv_recursive_;
2172	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2175		2376
2176	sub inv_recursive {	2377	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2178	}	2379	}
2179		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
2180	package cf;	2409	package cf;
2181		2410
2182	=back	2411	=back
2183		2412
2184	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2191	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2193		2422
2194	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
2195		2438
2196	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2440	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2456
2214	} else {	2457	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2460	}
2218	}	2461	}
2219	}	2462	}
2220		2463
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2489
2247	=item $player_object->enter_link	2490	=item $player_object->enter_link
2248		2491
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2493
2251	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
2252	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2253		2498
2254	Will never block.	2499	Will never block.
2255		2500
2256	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2257		2502
…		…
2312	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
2315		2560
2316	$map->load;	2561	$map->load;
2317	$map->load_diag;	2562	$map->load_neighbours;
2318		2563
2319	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2320	$self->activate_recursive;	2566	$self->activate_recursive;
2321		2567
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2324	}	2570	}
…		…
2329	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2330	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
2331	the new (success) or old (failed) map position. In either case, $done will	2577	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2578	be called at the end of this process.
2333		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
		2582
2334	=cut	2583	=cut
2335		2584
2336	our $GOTOGEN;	2585	our $GOTOGEN;
2337		2586
2338	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
…		…
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2592
2344	$self->enter_link;	2593	$self->enter_link;
2345		2594
2346	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
2347	my $map = eval {	2617	my $map = eval {
2348	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2349		2619
2350	if ($map) {	2620	if ($map) {
2351	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2353	} else {	2623	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2625	}
2356		2626
2357	$map	2627	$map
2358	};	2628	};
2359		2629
…		…
2395	}	2665	}
2396		2666
2397	sub prepare_random_map {	2667	sub prepare_random_map {
2398	my ($exit) = @_;	2668	my ($exit) = @_;
2399		2669
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2672	# that depends on the exit object
2405		2673
2406	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2676	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2413	}	2683	}
2414		2684
2415	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2416		2686
2417	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2420		2690
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2693	undef $fh;
2424	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2425		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2428	}	2702	}
2429	}	2703	}
2430		2704
2431	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2433		2707
2434	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2435		2709
2436	if ($exit->slaying eq "/!") {
2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
2438	# the problem is that $exit might not survive long enough
2439	# so it needs to be done right now, right here
2440	cf::sync_job { prepare_random_map $exit };
2441	}
2442
2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444	my $hp = $exit->stats->hp;
2445	my $sp = $exit->stats->sp;
2446
2447	$self->enter_link;	2710	$self->enter_link;
2448		2711
2449	# if exit is damned, update players death & WoR home-position
2450	$self->contr->savebed ($slaying, $hp, $sp)
2451	if $exit->flag (FLAG_DAMNED);
2452
2453	(async {	2712	(async {
2454	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2455	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2456	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2457		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2458	1;	2736	1
2459	}) {	2737	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2742
2465	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2495		2773
2496	=cut	2774	=cut
2497		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
2498	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2500		2842
2501	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2502		2845
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
2505	if (ref $channel) {	2857	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
2510	}	2863	}
2511		2864
2512	$channel = $channel->{id};	2865	$channel = $channel->{id};
2513	}	2866	}
2514		2867
…		…
2517	if ($self->can_msg) {	2870	if ($self->can_msg) {
2518	# default colour, mask it out	2871	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	2873	if $color & cf::NDI_DEF;
2521		2874
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2524	} else {	2891	} else {
2525	if ($color >= 0) {	2892	if ($color >= 0) {
2526	# replace some tags by gcfclient-compatible ones	2893	# replace some tags by gcfclient-compatible ones
2527	for ($msg) {	2894	for ($msg) {
2528	1 while	2895	1 while
…		…
2555	=cut	2922	=cut
2556		2923
2557	sub cf::client::ext_msg($$@) {	2924	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	2925	my ($self, $type, @msg) = @_;
2559		2926
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	2927	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	2929	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	2950	}
2568	}	2951	}
2569		2952
2570	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
…		…
2632	my ($type, $reply, @payload) =	3015	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	3016	"ARRAY" eq ref $msg
2634	? @$msg	3017	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		3019
		3020	my @reply;
		3021
2637	if (my $cb = $EXTICMD{$type}) {	3022	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	3023	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
2643	} else {	3029	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	3031	}
2646		3032
2647	cf::override;	3033	cf::override;
…		…
2707	=pod	3093	=pod
2708		3094
2709	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2710		3096
2711	cf::object	3097	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3098	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3099	insert remove name archname title slaying race decrease split
2714		3100
2715	cf::object::player	3101	cf::object::player
2716	player	3102	player
2717		3103
2718	cf::player	3104	cf::player
…		…
2723		3109
2724	=cut	3110	=cut
2725		3111
2726	for (	3112	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2729	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2731	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2732	) {	3119	) {
2733	no strict 'refs';	3120	no strict 'refs';
…		…
2809	# the server's init and main functions	3196	# the server's init and main functions
2810		3197
2811	sub load_facedata($) {	3198	sub load_facedata($) {
2812	my ($path) = @_;	3199	my ($path) = @_;
2813		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3206
2814	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2815		3208
2816	my $facedata;	3209	my $facedata;
2817	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3211	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2821		3214
2822	$facedata->{version} == 2	3215	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2825	{	3225	{
2826	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2827		3227
2828	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2830	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3235
2835	cf::cede_to_tick;	3236	cf::cede_to_tick;
2836	}	3237	}
2837		3238
2838	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2840	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2841	or next;	3243	or next;
		3244
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3248	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3266
2864	{	3267	{
2865	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3271
2872	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3273	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
2879		3276
2880	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
2881	# prepend meta info	3278	# prepend meta info
2882		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3286	} else {
		3287	$data = $info->{data};
		3288	}
2885		3289
2886	cf::face::set_data $idx, 0, $data, $chk;	3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
2887	} else {	3292	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3293	$RESOURCE{$name} = $info;
2889	}	3294	}
2890		3295
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3296	cf::cede_to_tick;
2894	}	3297	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	cf::sound::set $sound->[0] => $face;
2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906	}
2907
2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
2909	my $face = cf::face::find "sound/$v";
2910	cf::sound::set $k => $face;
2911	}
2912	}
2913	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3301
2915	1	3302	1
2916	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
2917		3324
2918	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
2919	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
2920		3327
2921	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
2923	}	3330	}
2924	};	3331	};
2925		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2926	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2927	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
2929		3350
2930	for (cf::region::list) {	3351	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3352	$_->{match} = qr/$_->{match}/
…		…
2939	}	3360	}
2940		3361
2941	sub reload_archetypes {	3362	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
2944	#d# NEED to laod twice to resolve forward references
2945	# this really needs to be done in an extra post-pass
2946	# (which needs to be synchronous, so solve it differently)
2947	load_resource_file "$DATADIR/archetypes"
2948	or die "unable to load archetypes\n";
2949	}	3365	}
2950		3366
2951	sub reload_treasures {	3367	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
2954	}	3370	}
2955		3371
2956	sub reload_resources {	3372	sub reload_resources {
2957	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2958		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2959	reload_regions;	3377	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3378	reload_treasures;
2964		3379
2965	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2966	}	3381	}
2967		3382
2968	sub init {	3383	sub reload_config {
2969	reload_resources;
2970	}
2971
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3385	or return;
2975		3386
2976	local $/;	3387	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2978		3389
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2980		3391
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2988	};	3399	};
2989	warn $@ if $@;	3400	warn $@ if $@;
2990	}	3401	}
2991	}	3402	}
2992		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2993	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2994	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3442	(async {
2998	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
3000	};	3446	};
3001		3447
3002	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
3003	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
3004	load_extensions;	3466	load_extensions;
3005		3467
3006	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
3007	Event::loop;	3476	EV::loop;
3008	}	3477	}
3009		3478
3010	#############################################################################	3479	#############################################################################
3011	# initialisation and cleanup	3480	# initialisation and cleanup
3012		3481
3013	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
3014	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3017	reentrant => 0,
3018	data => WF_AUTOCANCEL,
3019	signal => $signal,
3020	prio => 0,
3021	cb => sub {
3022	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
3023	},
3024	);	3488	};
3025	}	3489	}
3026	}	3490	}
3027		3491
3028	sub write_runtime {	3492	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";
3030
3031	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
3033		3495
3034	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3497
3036	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
3037		3499
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3039	or return;	3501	or return;
3040		3502
3041	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3054		3516
3055	close $fh	3517	close $fh
3056	or return;	3518	or return;
3057		3519
3058	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3521	and return;
3060		3522
3061	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3062		3524
3063	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
3064	}	3576	}
3065		3577
3066	sub emergency_save() {	3578	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3068		3580
3069	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3070		3582
3071	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
3072	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3597	$pl->save;
3080	}	3598	}
3081	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3082		3600
3083	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3604	$map->valid or next;
3087	$map->save;	3605	$map->save;
3088	}	3606	}
3089	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3090		3608
3091	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3094	};	3616	};
3095		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3096	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3097	}	3624	}
3098		3625
3099	sub post_cleanup {	3626	sub post_cleanup {
3100	my ($make_core) = @_;	3627	my ($make_core) = @_;
3101		3628
3102	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
3104	}	3660	}
3105		3661
3106	sub do_reload_perl() {	3662	sub do_reload_perl() {
3107	# can/must only be called in main	3663	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3109	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3110	return;	3666	return;
3111	}	3667	}
3112		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3113	warn "reloading...";	3674	warn "reloading...";
3114		3675
3115	warn "entering sync_job";	3676	warn "entering sync_job";
3116		3677
3117	cf::sync_job {	3678	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3119	cf::emergency_save;	3680	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3121		3682
3122	warn "syncing database to disk";	3683	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3124		3685
3125	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3126		3687
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3138	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();
3146
3147	warn "removing commands";
3148	%COMMAND = ();
3149
3150	warn "removing ext/exti commands";
3151	%EXTCMD = ();
3152	%EXTICMD = ();
3153
3154	warn "unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";
3157
3158	if (my $cb = $pkg->can ("unload")) {
3159	eval {
3160	$cb->($pkg);
3161	1
3162	} or warn "$pkg unloaded, but with errors: $@";
3163	}	3691	}
3164		3692
3165	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3166	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3167	}	3695	%EXT_CORO = ();
3168		3696
3169	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3170	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3173	warn "... unloading $k";	3706	warn "... unloading $pkg";
3174	delete $INC{$k};
3175		3707
3176	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;
3178
3179	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3180	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3181	}	3717	}
3182		3718
3183	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3184	}	3734	}
3185		3735
3186	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3739
3190	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3193		3743
3194	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3745	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3197		3747
3198	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3199		3749
3200	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3201	require cf;	3751	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3203		3753
3204	warn "loading config and database again";	3754	warn "loading config and database again";
3205	cf::cfg_load;	3755	cf::reload_config;
3206		3756
3207	warn "loading extensions";	3757	warn "loading extensions";
3208	cf::load_extensions;	3758	cf::load_extensions;
3209		3759
		3760	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3216		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3217	warn "leaving sync_job";	3772	warn "leaving sync_job";
3218		3773
3219	1	3774	1
3220	} or do {	3775	} or do {
3221	warn $@;	3776	warn $@;
3222	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3223	exit 1;
3224	};	3778	};
3225		3779
3226	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3227	};	3786	};
3228		3787
3229	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3230		3789
3231	sub reload_perl() {	3790	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3234		3793
3235	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3796
3238	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3798	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3242	},	3800	};
3243	);	3801	};
3244	}	3802	}
3245		3803
3246	register_command "reload" => sub {	3804	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3248		3806
3249	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3811	reload_perl;
		3812	};
3252	}	3813	}
3253	};	3814	};
3254		3815
3255	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3256		3817
…		…
3258		3819
3259	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3261		3822
3262	sub wait_for_tick {	3823	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3265		3825
3266	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	3828	$signal->wait;
3269	}	3829	}
3270		3830
3271	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3274		3833
3275	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	3836	$signal->wait;
3278	}	3837	}
3279		3838
3280	my $min = 1e6;#d#	3839	sub tick {
3281	my $avg = 10;
3282	$TICK_WATCHER = Event->timer (
3283	reentrant => 0,
3284	parked => 1,
3285	prio => 0,
3286	at => $NEXT_TICK || $TICK,
3287	data => WF_AUTOCANCEL,
3288	cb => sub {
3289	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3292	return;	3843	return;
3293	}	3844	}
3294		3845
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3298		3847
3299	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3300	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3301	my $t = Event::time;	3850	Coro::async_pool {
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3303	or die;	3852	write_runtime_sync
3304		3853	or warn "ERROR: unable to write runtime file: $!";
3305	$map->width (50);
3306	$map->height (50);
3307	$map->alloc;
3308	$map->_load_objects ("/tmp/x.map", 1);
3309	my $t = Event::time - $t;
3310
3311	#next unless $t < 0.0013;#d#
3312	if ($t < $min) {
3313	$min = $t;
3314	}
3315	$avg = $avg * 0.99 + $t * 0.01;
3316	}
3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318	exit 0;
3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320	};	3854	};
		3855	}
3321		3856
3322	$RUNTIME += $TICK;
3323	$NEXT_TICK += $TICK;
3324
3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
3327	Coro::async_pool {
3328	write_runtime
3329	or warn "ERROR: unable to write runtime file: $!";
3330	};
3331	}
3332
3333	# my $AFTER = Event::time;
3334	# warn $AFTER - $NOW;#d#
3335
3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	3858	$sig->send;
3338	}	3859	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	3861	$sig->send;
3341	}	3862	}
3342		3863
3343	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3344
3345	# if we are delayed by four ticks or more, skip them all
3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3347
3348	$TICK_WATCHER->at ($NEXT_TICK);
3349	$TICK_WATCHER->start;
3350
3351	$LOAD = ($NOW - $tick_start) / $TICK;
3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		3866
3354	_post_tick;	3867	if (0) {
3355		3868	if ($NEXT_TICK) {
3356		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3357	},	3873	}
3358	);	3874	}
3359		3875
3360	{	3876	{
3361	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	3878
3363	reentrant => 0,
3364	fd => BDB::poll_fileno,
3365	poll => 'r',
3366	prio => 0,
3367	data => WF_AUTOCANCEL,
3368	cb => \&BDB::poll_cb,
3369	);
3370	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3371		3880	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3373	my $status;
3374	my $current = $Coro::current;
3375	(
3376	sub {
3377	$status = $!;
3378	$current->ready; undef $current;
3379	},
3380	sub {
3381	Coro::schedule while defined $current;
3382	$! = $status;
3383	},
3384	)
3385	};
3386		3882
3387	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		3890
3390	cf::sync_job {	3891	cf::sync_job {
3391	eval {	3892	eval {
3392	BDB::db_env_open	3893	BDB::db_env_open
3393	$DB_ENV,	3894	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	3898	0666;
3398		3899
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402	$DB_ENV->set_lk_detect;
3403	};	3901	};
3404		3902
3405	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	3904	};
3407	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
3408	}	3916	}
3409		3917
3410	{	3918	{
		3919	# configure IO::AIO
		3920
3411	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3416	reentrant => 0,
3417	data => WF_AUTOCANCEL,
3418	fd => IO::AIO::poll_fileno,
3419	poll => 'r',
3420	prio => 6,
3421	cb => \&IO::AIO::poll_cb,
3422	);
3423	}	3924	}
3424		3925
3425	my $_log_backtrace;	3926	my $_log_backtrace;
3426		3927
3427	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3431		3932
3432	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3435	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3436	my @bt = fork_call {	3940	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3448	}	3952	}
3449		3953
3450	@funcs	3954	@funcs
3451	};	3955	};
3452		3956
3453	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	3960	--$_log_backtrace;
3456	};	3961	};
3457	} else {	3962	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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