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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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 3.61 ();	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;
		50	use Coro::Util ();
24		51
25	use JSON::XS 1.4 ();	52	use JSON::XS 2.01 ();
26	use BDB ();	53	use BDB ();
27	use Data::Dumper;	54	use Data::Dumper;
28	use Digest::MD5;	55	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		75
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		77
51	our %COMMAND = ();	78	our %COMMAND = ();
52	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	82	our %EXTCMD = ();
56	our %EXTICMD = ();	83	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
59		86
60	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	88	our @EVENT;
62		89
63	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	91	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
74		105
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	108	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	114	our $DB_ENV;
85		115
86	our %CFG;	116	our %CFG;
87		117
88	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
90		121
91	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
94		125
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		128
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		137
102	binmode STDOUT;	138	binmode STDOUT;
103	binmode STDERR;	139	binmode STDERR;
104		140
105	# read virtual server time, if available	141	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
110	}	146	}
111		147
112	mkdir $_	148	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		194
159	The raw value load value from the last tick.	195	The raw value load value from the last tick.
160		196
161	=item %cf::CFG	197	=item %cf::CFG
162		198
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	200	from wherever your confdir points to.
165		201
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		203
168	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
…		…
186	$msg .= "\n"	222	$msg .= "\n"
187	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
188		224
189	$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;
190		226
191	utf8::encode $msg;
192	LOG llevError, $msg;	227	LOG llevError, $msg;
193	};	228	};
194	}	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#?
195		245
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	256	for my $pkg (qw(
207	cf::global cf::attachable	257	cf::global cf::attachable
208	cf::object cf::object::player	258	cf::object cf::object::player
209	cf::client cf::player	259	cf::client cf::player
210	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
211	cf::map cf::party cf::region	262	cf::party cf::region
212	)) {	263	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	265	}
216		266
217	$Event::DIED = sub {	267	$EV::DIED = sub {
218	warn "error in event callback: @_";	268	warn "error in event callback: @_";
219	};	269	};
220		270
221	#############################################################################	271	#############################################################################
222		272
…		…
245	$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;
246	$d	296	$d
247	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
248	}	298	}
249		299
250	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
251		301
252	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
253		303
254	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
255		305
256	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
257		307
258	=cut	308	=cut
259		309
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		311
262	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		328
265	=item cf::lock_wait $string	329	=item cf::lock_wait $string
266		330
267	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
268		332
269	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
270		334
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
274	returned.	338	returned.
275		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
276	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
277	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
278		345
279	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
280		347
281	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
282		349
283	=cut	350	=cut
284		351
285	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	my ($key) = @_;
289		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
290	# wait for lock, if any	363	# wait for lock, if any
291	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	367	Coro::schedule;
294	}	368	}
295	}	369	}
296		370
…		…
299		373
300	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
301	lock_wait $key;	375	lock_wait $key;
302		376
303	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
304		379
305	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
308	}	384	}
309	}	385	}
310		386
…		…
313		389
314	! ! $LOCK{$key}	390	! ! $LOCK{$key}
315	}	391	}
316		392
317	sub freeze_mainloop {	393	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
319		395
320	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		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($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
322	};	457	}
323	$TICK_WATCHER->stop;	458	};
324	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
325	}	472	}
326		473
327	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
328		475
329	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		481
335	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
336		483
337	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
338		485
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	489	acceptable.
343		490
344	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		497
351	sub sync_job(&) {	498	sub sync_job(&) {
352	my ($job) = @_;	499	my ($job) = @_;
353		500
354	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	502	my $time = EV::time;
356		503
357	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
359		506
360	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	508
362	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
363		510
364	my $busy = 1;	511	my $busy = 1;
365	my @res;	512	my @res;
366		513
367	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	516	@res = eval { $job->() };
369	warn $@ if $@;	517	warn $@ if $@;
370	undef $busy;	518	undef $busy;
371	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
372		520
373	while ($busy) {	521	while ($busy) {
374	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
375	}	526	}
		527	}
376		528
377	$time = Event::time - $time;	529	my $time = EV::time - $time;
378		530
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
383		532
384	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
385	} else {	534	} else {
386	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
387		536
…		…
412	=item fork_call { }, $args	561	=item fork_call { }, $args
413		562
414	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
415	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
418		567
419	=cut	568	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		569
430	sub fork_call(&@) {	570	sub fork_call(&@) {
431	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
432		572
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	573	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	574	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	575	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		576
438	if (my $pid = fork) {	577	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	578	reset_signals;
452	local $SIG{__WARN__};	579	&$cb
453	local $SIG{__DIE__};	580	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		581
460	eval {	582	wantarray ? @res : $res[-1]
461	close $fh1;	583	}
462		584
463	my @res = eval { $cb->(@args) };	585	=item $coin = coin_from_name $name
464		586
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	587	=cut
466	close $fh2;
467	};
468		588
469	warn $@ if $@;	589	our %coin_alias = (
470	_exit 0;	590	"silver" => "silvercoin",
471	}	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
472	}	610	}
473		611
474	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
475		613
476	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
479		617
480	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
481	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).
482		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
483	=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	}
484		644
485	our $DB;	645	our $DB;
486		646
487	sub db_init {	647	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	648	cf::sync_job {
492	eval {	649	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	650	};
502	}	651	}
503		652
504	sub db_get($$) {	653	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
506		655
…		…
556	if (1) {	705	if (1) {
557	$md5 =	706	$md5 =
558	join "\x00",	707	join "\x00",
559	$processversion,	708	$processversion,
560	map {	709	map {
561	Coro::cede;	710	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	712	} 0.. $#$src;
564		713
565		714
566	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		753
605	#############################################################################	754	#############################################################################
606		755
607	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
608		757
609	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
610	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")
611	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
612		761
613	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>
614	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
615	Crossfire TRT).	764	Deliantra).
616		765
617	=over 4	766	=over 4
618		767
619	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
620		769
…		…
664	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
665		814
666	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
667	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
668		817
669	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		820
672	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
673		822
674	=over 4	823	=over 4
…		…
902	}	1051	}
903		1052
904	0	1053	0
905	}	1054	}
906		1055
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1057
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1059
911	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
912		1061
…		…
919	=cut	1068	=cut
920		1069
921	#############################################################################	1070	#############################################################################
922	# object support	1071	# object support
923		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#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
		1114
924	sub reattach {	1115	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1117	my ($obj) = @_;
927		1118
		1119	# no longer needed after getting rid of delete_package?
928	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
929		1121
930	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
931		1123
932	@$registry = ();	1124	@$registry = ();
933		1125
…		…
948	cf::attachable->attach (	1140	cf::attachable->attach (
949	prio => -1000000,	1141	prio => -1000000,
950	on_instantiate => sub {	1142	on_instantiate => sub {
951	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
952		1144
953	$data = from_json $data;	1145	$data = decode_json $data;
954		1146
955	for (@$data) {	1147	for (@$data) {
956	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
957		1149
958	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1166	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
976		1168
977	sync_job {	1169	sync_job {
978	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
981		1174
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
986	close $fh;	1179	aio_close $fh;
987		1180
988	if (@$objs) {	1181	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
994	close $fh;	1187	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
996	}	1189	}
997	} else {	1190	} else {
998	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
999	}	1192	}
1000		1193
1001	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1198	} else {
1003	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1004	}	1200	}
1005	} else {	1201	} else {
1006	aio_unlink $filename;	1202	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1008	}	1204	}
1009	}	1205	};
1010	}	1206	}
1011		1207
1012	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
1014		1210
…		…
1026	or return;	1222	or return;
1027		1223
1028	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1226	or return;
		1227
1031	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1032	}	1230	}
1033		1231
		1232	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1036	return ($data, $av);	1236	($data, $av)
1037	}	1237	}
1038		1238
1039	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1040		1240
1041	=over 4	1241	=over 4
…		…
1095	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1096		1296
1097	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1098	}	1298	}
1099		1299
		1300	use File::Glob ();
		1301
1100	cf::player->attach (	1302	cf::player->attach (
1101	on_command => sub {	1303	on_command => sub {
1102	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1103		1305
1104	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1114	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
1115		1317
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1319
1118	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1124	} else {	1335	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1337	}
1127		1338
1128	cf::override;	1339	cf::override;
1129	},	1340	},
1130	);	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	}
1131		1355
1132	sub load_extensions {	1356	sub load_extensions {
1133	cf::sync_job {	1357	cf::sync_job {
1134	my %todo;	1358	my %todo;
1135		1359
…		…
1155		1379
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1382
1159	$ext{source} =	1383	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1162	. $source	1386	. $source
1163	. "\n};\n1";	1387	. "\n};\n1";
1164		1388
1165	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1183		1407
1184	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1409	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1411	}
1189		1412
1190	warn $msg;	1413	warn $msg;
1191	}	1414	}
1192		1415
…		…
1206		1429
1207	=back	1430	=back
1208		1431
1209	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1210		1433
1211	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1212		1435
1213	=cut	1436	=cut
1214		1437
1215	package cf::player;	1438	package cf::player;
1216		1439
1217	use Coro::AIO;	1440	use Coro::AIO;
1218		1441
1219	=head3 cf::player	1442	=head3 cf::player
1220		1443
1221	=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	}
1222		1459
1223	=item cf::player::find $login	1460	=item cf::player::find $login
1224		1461
1225	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1226		1463
…		…
1245		1482
1246	sub exists($) {	1483	sub exists($) {
1247	my ($login) = @_;	1484	my ($login) = @_;
1248		1485
1249	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1251	}	1488	}
1252		1489
1253	sub find($) {	1490	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1492	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1503
1267	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1270	}	1513	}
1271	}	1514	}
1272	}	1515	}
1273		1516
…		…
1282	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1283		1526
1284	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1286		1529
		1530	cf::get_slot 0.01;
		1531
1287	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1288	Coro::cede;	1533	cf::cede_to_tick;
1289	}	1534	}
1290		1535
1291	sub new($) {	1536	sub new($) {
1292	my ($login) = @_;	1537	my ($login) = @_;
1293		1538
…		…
1299	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1300		1545
1301	$self	1546	$self
1302	}	1547	}
1303		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1304	=item $pl->quit_character	1559	=item $pl->quit_character
1305		1560
1306	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1308		1563
…		…
1312	my ($pl) = @_;	1567	my ($pl) = @_;
1313		1568
1314	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1315		1570
1316	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1317	$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
1318		1573
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1323		1580
1324	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1618	or return [];
1362		1619
1363	my @logins;	1620	my @logins;
1364		1621
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1369		1632
1370	utf8::decode $login;	1633	utf8::decode $login;
1371	push @logins, $login;	1634	push @logins, $login;
1372	}	1635	}
1373		1636
…		…
1400	}	1663	}
1401		1664
1402	\@paths	1665	\@paths
1403	}	1666	}
1404		1667
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1669
1407	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1408		1671
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1456		1673
1457	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1458		1675
1459	=cut	1676	=cut
1460		1677
1461	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1463		1680
1464	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1682	}
1467		1683
1468	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1469		1685
1470	Sends an ext event to the client.	1686	Sends an ext event to the client.
1471		1687
1472	=cut	1688	=cut
1473		1689
1474	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1476		1692
1477	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1478	}	1694	}
1479		1695
1480	=head3 cf::region	1696	=head3 cf::region
1481		1697
1482	=over 4	1698	=over 4
…		…
1526	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1528		1744
1529	sub generate_random_map {	1745	sub generate_random_map {
1530	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
1531	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1751	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1876
1658	# the temporary/swap location	1877	# the temporary/swap location
1659	sub save_path {	1878	sub save_path {
1660	my ($self) = @_;	1879	my ($self) = @_;
1661		1880
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1664	}	1883	}
1665		1884
1666	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1667	sub uniq_path {	1886	sub uniq_path {
1668	my ($self) = @_;	1887	my ($self) = @_;
1669		1888
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1672	}	1891	}
1673		1892
1674	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1675	# all maps in C++...	1894	# all maps in C++...
…		…
1698		1917
1699	sub load_header_from($) {	1918	sub load_header_from($) {
1700	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1701		1920
1702	utf8::encode $path;	1921	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	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;
1708		1930
1709	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1710		1932
1711	1	1933	1
1712	}	1934	}
…		…
1766	sub find {	1988	sub find {
1767	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1768		1990
1769	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1770		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1772		1995
1773	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1774	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1775	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1776	or return;	2001	or return;
1777		2002
1778	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1779		2004
…		…
1781	or return;	2006	or return;
1782		2007
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1786	$map->reset;	2013	$map->reset;
1787	undef $guard;
1788	return find $path;	2014	return find $path;
1789	}	2015	}
1790		2016
1791	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1792	}	2018	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1802		2028
1803	my $path = $self->{path};	2029	my $path = $self->{path};
1804		2030
1805	{	2031	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1807		2033
		2034	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2036
1810	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1811		2038
1812	$self->alloc;	2039	$self->alloc;
1813		2040
1814	$self->pre_load;	2041	$self->pre_load;
1815	Coro::cede;	2042	cf::cede_to_tick;
1816		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1818	or return;	2047	or return;
1819		2048
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1821	if delete $self->{load_original};	2050	if delete $self->{load_original};
1822		2051
1823	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2053	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2056	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1828	}	2060	}
1829	}	2061	}
1830		2062
1831	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1832	# now do the right thing for maps	2066	# now do the right thing for maps
1833	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2069	unless $self->difficulty;
1836	Coro::cede;	2070	cf::cede_to_tick;
1837		2071
1838	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2073	$self->decay_objects;
1840	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1841	$self->update_buttons;	2075	$self->update_buttons;
1842	Coro::cede;	2076	cf::cede_to_tick;
1843	$self->set_darkness_map;	2077	$self->set_darkness_map;
1844	Coro::cede;	2078	cf::cede_to_tick;
1845	$self->activate;	2079	$self->activate;
1846	}	2080	}
1847		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2086	}
1850		2087
1851	$self->post_load;	2088	$self->post_load;
1852	}	2089	}
1853		2090
…		…
1862		2099
1863	$self	2100	$self
1864	}	2101	}
1865		2102
1866	# 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
1867	sub load_diag {	2104	sub load_neighbours {
1868	my ($map) = @_;	2105	my ($map) = @_;
1869		2106
1870	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1871		2108
1872	for (0 .. 3) {	2109	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1874	or next;	2111	or next;
1875	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1876	or next;	2113	or next;
1877	$neigh->load;	2114	$neigh->load;
1878		2115
		2116	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2119	}
1882		2120
1883	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1885	or next;	2124	or next;
1886	$neigh->load;	2125	$neigh->load;
1887	}	2126	}
1888	}	2127	}
1889		2128
…		…
1894	}	2133	}
1895		2134
1896	sub do_load_sync {	2135	sub do_load_sync {
1897	my ($map) = @_;	2136	my ($map) = @_;
1898		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1899	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1900	}	2142	}
1901		2143
1902	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1904		2146
1905	sub find_async {	2147	sub find_async {
1906	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1907		2149
1908	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1909		2151
1910	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2154	}
1913		2155
1914	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1915	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1916	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2163	if (my $map = find $k) {
1919	$map->load;	2164	$map->load if $v;
1920	}	2165	}
1921		2166
1922	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1923	}	2168	}
1924	}	2169	}
1925	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1926	};	2171	};
1927	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2175	}
1931		2176
1932	sub save {	2177	sub save {
1933	my ($self) = @_;	2178	my ($self) = @_;
1934		2179
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2181
1937	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1938		2183
1939	return unless $self->dirty;	2184	return unless $self->dirty;
1940		2185
…		…
1946	return if $self->{deny_save};	2191	return if $self->{deny_save};
1947		2192
1948	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1949		2194
1950	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1952	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1953		2201
1954	if ($uniq) {	2202	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2205	} else {
…		…
1963	my ($self) = @_;	2211	my ($self) = @_;
1964		2212
1965	# save first because save cedes	2213	# save first because save cedes
1966	$self->save;	2214	$self->save;
1967		2215
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2217
1970	return if $self->players;	2218	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1972	return if $self->{deny_save};	2220	return if $self->{deny_save};
1973		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2226	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2227	}
1977		2228
1978	sub reset_at {	2229	sub reset_at {
1979	my ($self) = @_;	2230	my ($self) = @_;
1980		2231
…		…
2012	if $uniq;	2263	if $uniq;
2013	}	2264	}
2014		2265
2015	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2016		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2270	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2271
2021	$self->unlink_save;	2272	$self->unlink_save;
2022	$self->destroy;	2273	$self->destroy;
2023	}	2274	}
2024		2275
2025	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
2026		2277
2027	sub nuke {	2278	sub nuke {
2028	my ($self) = @_;	2279	my ($self) = @_;
2029		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
2030	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
2031		2285
2032	$self->unlink_save;	2286	$self->unlink_save;
2033		2287
2034	bless $self, "cf::map";	2288	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2293
2040	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
2041		2296
2042	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
2043	}	2298	}
2044		2299
2045	=item $maps = cf::map::tmp_maps	2300	=item $maps = cf::map::tmp_maps
…		…
2087		2342
2088	sub unique_maps() {	2343	sub unique_maps() {
2089	[	2344	[
2090	map {	2345	map {
2091	utf8::decode $_;	2346	utf8::decode $_;
2092	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2093	? normalise $_	2350	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2352	]
2097	}	2353	}
2098		2354
2099	package cf;
2100
2101	=back	2355	=back
2102		2356
2103	=head3 cf::object	2357	=head3 cf::object
2104		2358
2105	=cut	2359	=cut
…		…
2108		2362
2109	=over 4	2363	=over 4
2110		2364
2111	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2112		2366
2113	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.
2114		2369
2115	=cut	2370	=cut
2116		2371
2117	sub inv_recursive_;	2372	sub inv_recursive_;
2118	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2121		2376
2122	sub inv_recursive {	2377	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2124	}	2379	}
2125		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
2126	package cf;	2409	package cf;
2127		2410
2128	=back	2411	=back
2129		2412
2130	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2139		2422
2140	=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	};
2141		2438
2142	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2440	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2152		2449
2153	} else {	2450	} else {
2154	my $pl = $self->contr;	2451	my $pl = $self->contr;
2155		2452
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2456
2165	} else {	2457	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2460	}
2169	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
2170	}	2472	}
2171		2473
2172	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
2173		2475
2174	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
2187		2489
2188	=item $player_object->enter_link	2490	=item $player_object->enter_link
2189		2491
2190	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}>).
2191		2493
2192	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.
2193	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.
2194		2498
2195	Will never block.	2499	Will never block.
2196		2500
2197	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2198		2502
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
2256		2560
2257	$map->load;	2561	$map->load;
2258	$map->load_diag;	2562	$map->load_neighbours;
2259		2563
2260	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2261	$self->activate_recursive;	2566	$self->activate_recursive;
2262		2567
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2265	}	2570	}
…		…
2270	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	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
2273	be called at the end of this process.	2578	be called at the end of this process.
2274		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
2275	=cut	2583	=cut
2276		2584
2277	our $GOTOGEN;	2585	our $GOTOGEN;
2278		2586
2279	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2592
2285	$self->enter_link;	2593	$self->enter_link;
2286		2594
2287	(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
2288	my $map = eval {	2617	my $map = eval {
2289	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2290		2619
2291	if ($map) {	2620	if ($map) {
2292	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2294	} else {	2623	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2625	}
2297		2626
2298	$map	2627	$map
2299	};	2628	};
2300		2629
…		…
2336	}	2665	}
2337		2666
2338	sub prepare_random_map {	2667	sub prepare_random_map {
2339	my ($exit) = @_;	2668	my ($exit) = @_;
2340		2669
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2672	# that depends on the exit object
2346		2673
2347	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2676	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2354	}	2683	}
2355		2684
2356	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2357		2686
2358	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2361		2690
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2693	undef $fh;
2365	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2366		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2369	}	2702	}
2370	}	2703	}
2371		2704
2372	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2374		2707
2375	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2376		2709
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2710	$self->enter_link;
2389		2711
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2712	(async {
2395	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2396	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
2397	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2398		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
2399	1;	2736	1
2400	}) {	2737	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2742
2406	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2425		2762
2426	utf8::encode $text;	2763	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2765	}
2429		2766
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2768
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2770	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2436		2773
2437	=cut	2774	=cut
2438		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
2439	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2842
2442	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($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
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
2443		2867
2444	return unless @extra || length $msg;	2868	return unless @extra || length $msg;
2445		2869
2446	if ($self->can_msg) {	2870	if ($self->can_msg) {
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$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);
2448	} else {	2891	} else {
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458
2459	if ($color >= 0) {	2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
2460	if (0 && $msg =~ /\[/) {	2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
2462	} else {	2910	} else {
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")	2912	$self->send_packet ("drawinfo $color $msg")
2465	}	2913	}
2466	}	2914	}
2467	}	2915	}
2468	}	2916	}
2469		2917
2470	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2471		2919
2472	Sends an ext event to the client.	2920	Sends an ext event to the client.
2473		2921
2474	=cut	2922	=cut
2475		2923
2476	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2478		2926
2479	return unless $self->extcmd;	2927	if ($self->extcmd == 2) {
2480		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	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;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2483	}	2951	}
2484		2952
2485	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2486		2954
2487	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3010	my ($ns, $buf) = @_;
2543		3011
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3013
2546	if (ref $msg) {	3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3022	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3023	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
2553	} else {	3029	} else {
2554	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";
2555	}	3031	}
2556		3032
2557	cf::override;	3033	cf::override;
…		…
2604	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2606		3082
2607	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2608		3084
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2610		3090
2611	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2612		3092
2613	=pod	3093	=pod
2614		3094
2615	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2616		3096
2617	cf::object	3097	cf::object
2618	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
2619	insert remove	3099	insert remove name archname title slaying race decrease split
2620		3100
2621	cf::object::player	3101	cf::object::player
2622	player	3102	player
2623		3103
2624	cf::player	3104	cf::player
…		…
2629		3109
2630	=cut	3110	=cut
2631		3111
2632	for (	3112	for (
2633	["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
2634	insert remove)],	3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2635	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2637	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2638	) {	3119	) {
2639	no strict 'refs';	3120	no strict 'refs';
…		…
2715	# the server's init and main functions	3196	# the server's init and main functions
2716		3197
2717	sub load_facedata($) {	3198	sub load_facedata($) {
2718	my ($path) = @_;	3199	my ($path) = @_;
2719		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
2720	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2721		3208
2722	my $facedata;	3209	my $facedata;
2723	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
2724	or die "$path: $!";	3211	or die "$path: $!";
…		…
2726	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2727		3214
2728	$facedata->{version} == 2	3215	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		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
2731	{	3225	{
2732	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2733		3227
2734	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2736	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2740		3235
2741	cf::cede_to_tick;	3236	cf::cede_to_tick;
2742	}	3237	}
2743		3238
2744	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2746	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2747	or next;	3243	or next;
		3244
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3248	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2769		3266
2770	{	3267	{
2771	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3271
2776	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3273	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
2784		3276
2785	if ($name =~ /\.jpg$/) {	3277	if ($info->{type} & 1) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3278	# prepend meta info
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
2788	} else {	3292	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3293	$RESOURCE{$name} = $info;
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3294	}
2795		3295
2796	cf::cede_to_tick;	3296	cf::cede_to_tick;
2797	}	3297	}
2798	}	3298	}
2799		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2800	1	3302	1
2801	}	3303	}
2802		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	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		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
2803	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
2804	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
2806		3350
2807	for (cf::region::list) {	3351	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3352	$_->{match} = qr/$_->{match}/
…		…
2816	}	3360	}
2817		3361
2818	sub reload_archetypes {	3362	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3365	}
2827		3366
2828	sub reload_treasures {	3367	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
2831	}	3370	}
2832		3371
2833	sub reload_resources {	3372	sub reload_resources {
2834	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2835		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2836	reload_regions;	3377	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3378	reload_treasures;
2841		3379
2842	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2843	}	3381	}
2844		3382
2845	sub init {	3383	sub reload_config {
2846	reload_resources;
2847	}
2848
2849	sub cfg_load {
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2851	or return;	3385	or return;
2852		3386
2853	local $/;	3387	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2855		3389
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2857		3391
2858	$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};
2859	$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};
…		…
2865	};	3399	};
2866	warn $@ if $@;	3400	warn $@ if $@;
2867	}	3401	}
2868	}	3402	}
2869		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
2870	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
2871	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2873	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#
2874	(async {	3442	(async {
2875	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2877	};	3446	};
2878		3447
2879	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2880	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
2881	load_extensions;	3466	load_extensions;
2882		3467
2883	$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
2884	Event::loop;	3476	EV::loop;
2885	}	3477	}
2886		3478
2887	#############################################################################	3479	#############################################################################
2888	# initialisation and cleanup	3480	# initialisation and cleanup
2889		3481
2890	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2891	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2900	},
2901	);	3488	};
2902	}	3489	}
2903	}	3490	}
2904		3491
2905	sub write_runtime {	3492	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";
2907
2908	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
2910		3495
2911	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3497
2913	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
2914		3499
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2916	or return;	3501	or return;
2917		3502
2918	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
2931		3516
2932	close $fh	3517	close $fh
2933	or return;	3518	or return;
2934		3519
2935	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3521	and return;
2937		3522
2938	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
2939		3524
2940	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 };
2941	}	3576	}
2942		3577
2943	sub emergency_save() {	3578	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2945		3580
2946	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2947		3582
2948	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
2949	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3597	$pl->save;
2957	}	3598	}
2958	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2959		3600
2960	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3604	$map->valid or next;
2964	$map->save;	3605	$map->save;
2965	}	3606	}
2966	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2967		3608
2968	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2970	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";
2971	};	3616	};
2972		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
2973	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2974	}	3624	}
2975		3625
2976	sub post_cleanup {	3626	sub post_cleanup {
2977	my ($make_core) = @_;	3627	my ($make_core) = @_;
2978		3628
2979	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2980	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 $pkg\n";#d#
2981	}	3660	}
2982		3661
2983	sub do_reload_perl() {	3662	sub do_reload_perl() {
2984	# can/must only be called in main	3663	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2986	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2987	return;	3666	return;
2988	}	3667	}
2989		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2990	warn "reloading...";	3674	warn "reloading...";
2991		3675
2992	warn "entering sync_job";	3676	warn "entering sync_job";
2993		3677
2994	cf::sync_job {	3678	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2996	cf::emergency_save;	3680	cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2998		3682
2999	warn "syncing database to disk";	3683	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3001		3685
3002	# 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
3003		3687
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3015	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();
3023
3024	warn "removing commands";
3025	%COMMAND = ();
3026
3027	warn "removing ext/exti commands";
3028	%EXTCMD = ();
3029	%EXTICMD = ();
3030
3031	warn "unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";
3034
3035	if (my $cb = $pkg->can ("unload")) {
3036	eval {
3037	$cb->($pkg);
3038	1
3039	} or warn "$pkg unloaded, but with errors: $@";
3040	}	3691	}
3041		3692
3042	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3043	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3044	}	3695	%EXT_CORO = ();
3045		3696
3046	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3047	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3050	warn "... unloading $k";	3706	warn "... unloading $pkg";
3051	delete $INC{$k};
3052		3707
3053	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;
3055
3056	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3057	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3058	}	3717	}
3059		3718
3060	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 $k;
3061	}	3734	}
3062		3735
3063	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3065	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);
3066		3739
3067	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3070		3743
3071	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3072	# and global variables created in xs	3745	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3074		3747
3075	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3076		3749
3077	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3078	require cf;	3751	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3080		3753
3081	warn "loading config and database again";	3754	warn "loading config and database again";
3082	cf::cfg_load;	3755	cf::reload_config;
3083		3756
3084	warn "loading extensions";	3757	warn "loading extensions";
3085	cf::load_extensions;	3758	cf::load_extensions;
3086		3759
		3760	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3090	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3093		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3094	warn "leaving sync_job";	3772	warn "leaving sync_job";
3095		3773
3096	1	3774	1
3097	} or do {	3775	} or do {
3098	warn $@;	3776	warn $@;
3099	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3100	exit 1;
3101	};	3778	};
3102		3779
3103	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3104	};	3786	};
3105		3787
3106	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3107		3789
3108	sub reload_perl() {	3790	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3111		3793
3112	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	3796
3115	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	3798	do_reload_perl;
3118	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3119	},	3800	};
3120	);	3801	};
3121	}	3802	}
3122		3803
3123	register_command "reload" => sub {	3804	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3125		3806
3126	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	3811	reload_perl;
		3812	};
3129	}	3813	}
3130	};	3814	};
3131		3815
3132	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3133		3817
…		…
3135		3819
3136	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3138		3822
3139	sub wait_for_tick {	3823	sub wait_for_tick {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3142		3825
3143	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	3828	$signal->wait;
3146	}	3829	}
3147		3830
3148	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3151		3833
3152	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	3836	$signal->wait;
3155	}	3837	}
3156		3838
3157	my $min = 1e6;#d#	3839	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3169	return;	3843	return;
3170	}	3844	}
3171		3845
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3175		3847
3176	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	3850	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3180	or die;	3852	write_runtime_sync
3181		3853	or warn "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	3854	};
		3855	}
3198		3856
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	3858	$sig->send;
3215	}	3859	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	3861	$sig->send;
3218	}	3862	}
3219		3863
3220	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		3866
3231	_post_tick;	3867	if (0) {
3232		3868	if ($NEXT_TICK) {
3233		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3234	},	3873	}
3235	);	3874	}
3236		3875
3237	{	3876	{
3238	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	3878
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3248		3880	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		3882
3264	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3265	$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);
3266		3890
3267	cf::sync_job {	3891	cf::sync_job {
3268	eval {	3892	eval {
3269	BDB::db_env_open	3893	BDB::db_env_open
3270	$DB_ENV,	3894	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	3898	0666;
3275		3899
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	3901	};
3281		3902
3282	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	3904	};
3284	}	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	};
3285	}	3916	}
3286		3917
3287	{	3918	{
		3919	# configure IO::AIO
		3920
3288	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	3924	}
3301		3925
3302	my $_log_backtrace;	3926	my $_log_backtrace;
3303		3927
3304	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3307	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3308		3932
3309	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3311	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3312	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3313	my @bt = fork_call {	3940	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	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 |"
3317	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3325	}	3952	}
3326		3953
3327	@funcs	3954	@funcs
3328	};	3955	};
3329		3956
3330	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	3960	--$_log_backtrace;
3333	};	3961	};
3334	} else {	3962	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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