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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		136
102	binmode STDOUT;	137	binmode STDOUT;
103	binmode STDERR;	138	binmode STDERR;
104		139
105	# read virtual server time, if available	140	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
110	}	145	}
111		146
112	mkdir $_	147	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		193
159	The raw value load value from the last tick.	194	The raw value load value from the last tick.
160		195
161	=item %cf::CFG	196	=item %cf::CFG
162		197
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	199	from wherever your confdir points to.
165		200
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		202
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	221	$msg .= "\n"
187	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
188		223
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		225
191	utf8::encode $msg;
192	LOG llevError, $msg;	226	LOG llevError, $msg;
193	};	227	};
194	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
195		244
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	255	for my $pkg (qw(
207	cf::global cf::attachable	256	cf::global cf::attachable
208	cf::object cf::object::player	257	cf::object cf::object::player
209	cf::client cf::player	258	cf::client cf::player
210	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
211	cf::map cf::party cf::region	261	cf::party cf::region
212	)) {	262	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	264	}
216		265
217	$Event::DIED = sub {	266	$EV::DIED = sub {
218	warn "error in event callback: @_";	267	warn "error in event callback: @_";
219	};	268	};
220		269
221	#############################################################################	270	#############################################################################
222		271
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	295	$d
247	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
248	}	297	}
249		298
250	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
251		300
252	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
253		302
254	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
255		304
256	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
257		306
258	=cut	307	=cut
259		308
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		310
262	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
264		327
265	=item cf::lock_wait $string	328	=item cf::lock_wait $string
266		329
267	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
268		331
…		…
271	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
274	returned.	337	returned.
275		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
276	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
278		344
279	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
280		346
281	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
282		348
283	=cut	349	=cut
284		350
285	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
286		353
287	sub lock_wait($) {	354	sub lock_wait($) {
288	my ($key) = @_;	355	my ($key) = @_;
289		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
290	# wait for lock, if any	362	# wait for lock, if any
291	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	366	Coro::schedule;
294	}	367	}
295	}	368	}
296		369
…		…
299		372
300	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
301	lock_wait $key;	374	lock_wait $key;
302		375
303	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
304		378
305	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
308	}	383	}
309	}	384	}
310		385
…		…
313		388
314	! ! $LOCK{$key}	389	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	396	}
322	};	397
323	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
324	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
325	}	411	}
326		412
327	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
328		414
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
342		428
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
345	my $signal = new Coro::Signal;	433	my $signal = new Coro::Signal;
346		434
347	while () {	435	while () {
348	next_job:	436	next_job:
349	my $avail = cf::till_tick;	437	my $avail = cf::till_tick;
…		…
357	}	445	}
358	}	446	}
359	}	447	}
360		448
361	if (@SLOT_QUEUE) {	449	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	451	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	452	$signal->wait;
365	} else {	453	} else {
366	Coro::schedule;	454	Coro::schedule;
367	}	455	}
368	}	456	}
369	};	457	};
370		458
371	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
372	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
373		463
374	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
376		466
…		…
390		480
391	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
392		482
393	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
394		484
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	488	acceptable.
399		489
400	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		496
407	sub sync_job(&) {	497	sub sync_job(&) {
408	my ($job) = @_;	498	my ($job) = @_;
409		499
410	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	501	my $time = EV::time;
412		502
413	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
415		505
416	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	507
418	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
419		509
420	my $busy = 1;	510	my $busy = 1;
421	my @res;	511	my @res;
422		512
423	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	515	@res = eval { $job->() };
425	warn $@ if $@;	516	warn $@ if $@;
426	undef $busy;	517	undef $busy;
427	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
428		519
429	while ($busy) {	520	while ($busy) {
430	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
431	}	525	}
		526	}
432		527
433	$time = Event::time - $time;	528	my $time = EV::time - $time;
434		529
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
439		531
440	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
441	} else {	533	} else {
442	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
443		535
…		…
468	=item fork_call { }, $args	560	=item fork_call { }, $args
469		561
470	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
474		566
475	=cut	567	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		568
486	sub fork_call(&@) {	569	sub fork_call(&@) {
487	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
488		571
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	572	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	573	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	574	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		575
494	if (my $pid = fork) {	576	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	577	reset_signals;
508	local $SIG{__WARN__};	578	&$cb
509	local $SIG{__DIE__};	579	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		580
516	eval {	581	wantarray ? @res : $res[-1]
517	close $fh1;	582	}
518		583
519	my @res = eval { $cb->(@args) };	584	=item $coin = coin_from_name $name
520		585
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	586	=cut
522	close $fh2;
523	};
524		587
525	warn $@ if $@;	588	our %coin_alias = (
526	_exit 0;	589	"silver" => "silvercoin",
527	}	590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
528	}	609	}
529		610
530	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
531		612
532	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
535		616
536	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
539	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
540		643
541	our $DB;	644	our $DB;
542		645
543	sub db_init {	646	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	647	cf::sync_job {
548	eval {	648	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	649	};
558	}	650	}
559		651
560	sub db_get($$) {	652	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
562		654
…		…
612	if (1) {	704	if (1) {
613	$md5 =	705	$md5 =
614	join "\x00",	706	join "\x00",
615	$processversion,	707	$processversion,
616	map {	708	map {
617	Coro::cede;	709	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	711	} 0.. $#$src;
620		712
621		713
622	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		752
661	#############################################################################	753	#############################################################################
662		754
663	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
664		756
665	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
668		760
669	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	763	Deliantra).
672		764
673	=over 4	765	=over 4
674		766
675	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
676		768
…		…
720	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
721		813
722	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
724		816
725	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
727		819
728	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
729		821
730	=over 4	822	=over 4
…		…
958	}	1050	}
959		1051
960	0	1052	0
961	}	1053	}
962		1054
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1056
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1058
967	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
968		1060
…		…
974		1066
975	=cut	1067	=cut
976		1068
977	#############################################################################	1069	#############################################################################
978	# object support	1070	# object support
979	#
980		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
981	sub _can_merge {	1105	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
983		1107
984	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1109
988	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
989	}	1112	}
990		1113
991	sub reattach {	1114	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1116	my ($obj) = @_;
994		1117
		1118	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1120
997	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
998		1122
999	@$registry = ();	1123	@$registry = ();
1000		1124
…		…
1015	cf::attachable->attach (	1139	cf::attachable->attach (
1016	prio => -1000000,	1140	prio => -1000000,
1017	on_instantiate => sub {	1141	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1019		1143
1020	$data = from_json $data;	1144	$data = decode_json $data;
1021		1145
1022	for (@$data) {	1146	for (@$data) {
1023	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1024		1148
1025	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1165	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
1043		1167
1044	sync_job {	1168	sync_job {
1045	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1048		1173
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1178	aio_close $fh;
1054		1179
1055	if (@$objs) {	1180	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1186	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1188	}
1064	} else {	1189	} else {
1065	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
1066	}	1191	}
1067		1192
1068	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1197	} else {
1070	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1071	}	1199	}
1072	} else {	1200	} else {
1073	aio_unlink $filename;	1201	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
1075	}	1203	}
1076	}	1204	};
1077	}	1205	}
1078		1206
1079	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1081		1209
…		…
1093	or return;	1221	or return;
1094		1222
1095	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1225	or return;
		1226
1098	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1099	}	1229	}
1100		1230
		1231	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1103	return ($data, $av);	1235	($data, $av)
1104	}	1236	}
1105		1237
1106	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1107		1239
1108	=over 4	1240	=over 4
…		…
1162	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1163		1295
1164	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1165	}	1297	}
1166		1298
		1299	use File::Glob ();
		1300
1167	cf::player->attach (	1301	cf::player->attach (
1168	on_command => sub {	1302	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1170		1304
1171	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1181	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
1182		1316
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1318
1185	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1191	} else {	1334	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1336	}
1194		1337
1195	cf::override;	1338	cf::override;
1196	},	1339	},
1197	);	1340	);
		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
1198		1354
1199	sub load_extensions {	1355	sub load_extensions {
1200	cf::sync_job {	1356	cf::sync_job {
1201	my %todo;	1357	my %todo;
1202		1358
…		…
1222		1378
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1381
1226	$ext{source} =	1382	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1229	. $source	1385	. $source
1230	. "\n};\n1";	1386	. "\n};\n1";
1231		1387
1232	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1250		1406
1251	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1408	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1410	}
1256		1411
1257	warn $msg;	1412	warn $msg;
1258	}	1413	}
1259		1414
…		…
1273		1428
1274	=back	1429	=back
1275		1430
1276	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1277		1432
1278	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1279		1434
1280	=cut	1435	=cut
1281		1436
1282	package cf::player;	1437	package cf::player;
1283		1438
1284	use Coro::AIO;	1439	use Coro::AIO;
1285		1440
1286	=head3 cf::player	1441	=head3 cf::player
1287		1442
1288	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1289		1458
1290	=item cf::player::find $login	1459	=item cf::player::find $login
1291		1460
1292	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1293		1462
…		…
1312		1481
1313	sub exists($) {	1482	sub exists($) {
1314	my ($login) = @_;	1483	my ($login) = @_;
1315		1484
1316	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1318	}	1487	}
1319		1488
1320	sub find($) {	1489	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1491	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1502
1334	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1335	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1336	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1337	}	1512	}
1338	}	1513	}
1339	}	1514	}
1340		1515
…		…
1349	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1350		1525
1351	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1353		1528
		1529	cf::get_slot 0.01;
		1530
1354	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1355	Coro::cede;	1532	cf::cede_to_tick;
1356	}	1533	}
1357		1534
1358	sub new($) {	1535	sub new($) {
1359	my ($login) = @_;	1536	my ($login) = @_;
1360		1537
…		…
1366	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1367		1544
1368	$self	1545	$self
1369	}	1546	}
1370		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1371	=item $pl->quit_character	1558	=item $pl->quit_character
1372		1559
1373	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1375		1562
…		…
1379	my ($pl) = @_;	1566	my ($pl) = @_;
1380		1567
1381	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1382		1569
1383	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1572
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1390		1579
1391	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1617	or return [];
1429		1618
1430	my @logins;	1619	my @logins;
1431		1620
1432	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1436		1631
1437	utf8::decode $login;	1632	utf8::decode $login;
1438	push @logins, $login;	1633	push @logins, $login;
1439	}	1634	}
1440		1635
…		…
1467	}	1662	}
1468		1663
1469	\@paths	1664	\@paths
1470	}	1665	}
1471		1666
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1668
1474	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1475		1670
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1523		1672
1524	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1525		1674
1526	=cut	1675	=cut
1527		1676
1528	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1530		1679
1531	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1681	}
1534		1682
1535	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1536		1684
1537	Sends an ext event to the client.	1685	Sends an ext event to the client.
1538		1686
1539	=cut	1687	=cut
1540		1688
1541	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1543		1691
1544	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1545	}	1693	}
1546		1694
1547	=head3 cf::region	1695	=head3 cf::region
1548		1696
1549	=over 4	1697	=over 4
…		…
1593	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1595		1743
1596	sub generate_random_map {	1744	sub generate_random_map {
1597	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1598	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1750	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1724		1875
1725	# the temporary/swap location	1876	# the temporary/swap location
1726	sub save_path {	1877	sub save_path {
1727	my ($self) = @_;	1878	my ($self) = @_;
1728		1879
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1731	}	1882	}
1732		1883
1733	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1734	sub uniq_path {	1885	sub uniq_path {
1735	my ($self) = @_;	1886	my ($self) = @_;
1736		1887
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1739	}	1890	}
1740		1891
1741	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1742	# all maps in C++...	1893	# all maps in C++...
…		…
1765		1916
1766	sub load_header_from($) {	1917	sub load_header_from($) {
1767	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1768		1919
1769	utf8::encode $path;	1920	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1775		1929
1776	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1777		1931
1778	1	1932	1
1779	}	1933	}
…		…
1833	sub find {	1987	sub find {
1834	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1835		1989
1836	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1837		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1839		1994
1840	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1841	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1842	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1843	or return;	2000	or return;
1844		2001
1845	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1846		2003
…		…
1848	or return;	2005	or return;
1849		2006
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1853	$map->reset;	2012	$map->reset;
1854	undef $guard;
1855	return find $path;	2013	return find $path;
1856	}	2014	}
1857		2015
1858	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1859	}	2017	}
…		…
1868	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1869		2027
1870	my $path = $self->{path};	2028	my $path = $self->{path};
1871		2029
1872	{	2030	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1874		2032
		2033	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2035
1877	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1878		2037
1879	$self->alloc;	2038	$self->alloc;
1880		2039
1881	$self->pre_load;	2040	$self->pre_load;
1882	Coro::cede;	2041	cf::cede_to_tick;
1883		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1885	or return;	2046	or return;
1886		2047
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1888	if delete $self->{load_original};	2049	if delete $self->{load_original};
1889		2050
1890	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2052	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2055	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1895	}	2059	}
1896	}	2060	}
1897		2061
1898	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1899	# now do the right thing for maps	2065	# now do the right thing for maps
1900	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2068	unless $self->difficulty;
1903	Coro::cede;	2069	cf::cede_to_tick;
1904		2070
1905	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2072	$self->decay_objects;
1907	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1908	$self->update_buttons;	2074	$self->update_buttons;
1909	Coro::cede;	2075	cf::cede_to_tick;
1910	$self->set_darkness_map;	2076	$self->set_darkness_map;
1911	Coro::cede;	2077	cf::cede_to_tick;
1912	$self->activate;	2078	$self->activate;
1913	}	2079	}
1914		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2085	}
1917		2086
1918	$self->post_load;	2087	$self->post_load;
1919	}	2088	}
1920		2089
…		…
1929		2098
1930	$self	2099	$self
1931	}	2100	}
1932		2101
1933	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2103	sub load_neighbours {
1935	my ($map) = @_;	2104	my ($map) = @_;
1936		2105
1937	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1938		2107
1939	for (0 .. 3) {	2108	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1941	or next;	2110	or next;
1942	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1943	or next;	2112	or next;
1944	$neigh->load;	2113	$neigh->load;
1945		2114
		2115	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2118	}
1949		2119
1950	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1952	or next;	2123	or next;
1953	$neigh->load;	2124	$neigh->load;
1954	}	2125	}
1955	}	2126	}
1956		2127
…		…
1961	}	2132	}
1962		2133
1963	sub do_load_sync {	2134	sub do_load_sync {
1964	my ($map) = @_;	2135	my ($map) = @_;
1965		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1966	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1967	}	2141	}
1968		2142
1969	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1971		2145
1972	sub find_async {	2146	sub find_async {
1973	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1974		2148
1975	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1976		2150
1977	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2153	}
1980		2154
1981	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1982	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1983	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2162	if (my $map = find $k) {
1986	$map->load;	2163	$map->load if $v;
1987	}	2164	}
1988		2165
1989	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1990	}	2167	}
1991	}	2168	}
1992	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1993	};	2170	};
1994	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2174	}
1998		2175
1999	sub save {	2176	sub save {
2000	my ($self) = @_;	2177	my ($self) = @_;
2001		2178
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2180
2004	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
2005		2182
2006	return unless $self->dirty;	2183	return unless $self->dirty;
2007		2184
…		…
2013	return if $self->{deny_save};	2190	return if $self->{deny_save};
2014		2191
2015	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
2016		2193
2017	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
2019	};	2197	};
		2198
		2199	cf::get_slot 0.02;
2020		2200
2021	if ($uniq) {	2201	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2204	} else {
…		…
2030	my ($self) = @_;	2210	my ($self) = @_;
2031		2211
2032	# save first because save cedes	2212	# save first because save cedes
2033	$self->save;	2213	$self->save;
2034		2214
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2216
2037	return if $self->players;	2217	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2219	return if $self->{deny_save};
2040		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2225	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2226	}
2044		2227
2045	sub reset_at {	2228	sub reset_at {
2046	my ($self) = @_;	2229	my ($self) = @_;
2047		2230
…		…
2079	if $uniq;	2262	if $uniq;
2080	}	2263	}
2081		2264
2082	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2083		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2269	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2270
2088	$self->unlink_save;	2271	$self->unlink_save;
2089	$self->destroy;	2272	$self->destroy;
2090	}	2273	}
2091		2274
2092	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
2093		2276
2094	sub nuke {	2277	sub nuke {
2095	my ($self) = @_;	2278	my ($self) = @_;
2096		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2097	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2098		2284
2099	$self->unlink_save;	2285	$self->unlink_save;
2100		2286
2101	bless $self, "cf::map";	2287	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2292
2107	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2108		2295
2109	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2110	}	2297	}
2111		2298
2112	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2154		2341
2155	sub unique_maps() {	2342	sub unique_maps() {
2156	[	2343	[
2157	map {	2344	map {
2158	utf8::decode $_;	2345	utf8::decode $_;
2159	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2160	? normalise $_	2349	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2351	]
2164	}	2352	}
2165		2353
2166	package cf;
2167
2168	=back	2354	=back
2169		2355
2170	=head3 cf::object	2356	=head3 cf::object
2171		2357
2172	=cut	2358	=cut
…		…
2175		2361
2176	=over 4	2362	=over 4
2177		2363
2178	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2179		2365
2180	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2181		2368
2182	=cut	2369	=cut
2183		2370
2184	sub inv_recursive_;	2371	sub inv_recursive_;
2185	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2188		2375
2189	sub inv_recursive {	2376	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2191	}	2378	}
2192		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2193	package cf;	2408	package cf;
2194		2409
2195	=back	2410	=back
2196		2411
2197	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2203	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2205	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2206		2421
2207	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2208		2437
2209	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2439	# with dialog boxes.
2211	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2212	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2219		2448
2220	} else {	2449	} else {
2221	my $pl = $self->contr;	2450	my $pl = $self->contr;
2222		2451
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2455
2232	} else {	2456	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2459	}
2236	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
2237	}	2471	}
2238		2472
2239	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
2240		2474
2241	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
2254		2488
2255	=item $player_object->enter_link	2489	=item $player_object->enter_link
2256		2490
2257	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2258		2492
2259	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2260	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2261		2497
2262	Will never block.	2498	Will never block.
2263		2499
2264	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2265		2501
…		…
2320	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2323		2559
2324	$map->load;	2560	$map->load;
2325	$map->load_diag;	2561	$map->load_neighbours;
2326		2562
2327	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2328	$self->activate_recursive;	2565	$self->activate_recursive;
2329		2566
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2332	}	2569	}
…		…
2337	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2338	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2339	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2340	be called at the end of this process.	2577	be called at the end of this process.
2341		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
		2581
2342	=cut	2582	=cut
2343		2583
2344	our $GOTOGEN;	2584	our $GOTOGEN;
2345		2585
2346	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2591
2352	$self->enter_link;	2592	$self->enter_link;
2353		2593
2354	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2355	my $map = eval {	2616	my $map = eval {
2356	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2357		2618
2358	if ($map) {	2619	if ($map) {
2359	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2361	} else {	2622	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2624	}
2364		2625
2365	$map	2626	$map
2366	};	2627	};
2367		2628
…		…
2403	}	2664	}
2404		2665
2405	sub prepare_random_map {	2666	sub prepare_random_map {
2406	my ($exit) = @_;	2667	my ($exit) = @_;
2407		2668
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2671	# that depends on the exit object
2413		2672
2414	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2675	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2421	}	2682	}
2422		2683
2423	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2424		2685
2425	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2428		2689
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2692	undef $fh;
2432	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2433		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2436	}	2701	}
2437	}	2702	}
2438		2703
2439	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2441		2706
2442	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2443		2708
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2709	$self->enter_link;
2456		2710
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2711	(async {
2462	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2463	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2464	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2465		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2466	1;	2735	1
2467	}) {	2736	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2470	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2741
2473	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2503		2772
2504	=cut	2773	=cut
2505		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
2506	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2841
2509	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2510		2844
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
2513	if (ref $channel) {	2856	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2857	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2858	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2859	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
2518	}	2862	}
2519		2863
2520	$channel = $channel->{id};	2864	$channel = $channel->{id};
2521	}	2865	}
2522		2866
2523	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2524		2868
2525	if ($self->can_msg) {	2869	if ($self->can_msg) {
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2527	} else {	2890	} else {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537
2538	if ($color >= 0) {	2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
2539	if (0 && $msg =~ /\[/) {	2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2541	} else {	2909	} else {
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")	2911	$self->send_packet ("drawinfo $color $msg")
2544	}	2912	}
2545	}	2913	}
2546	}	2914	}
2547	}	2915	}
2548		2916
2549	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2550		2918
2551	Sends an ext event to the client.	2919	Sends an ext event to the client.
2552		2920
2553	=cut	2921	=cut
2554		2922
2555	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2557		2925
2558	return unless $self->extcmd;	2926	if ($self->extcmd == 2) {
2559		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2562	}	2950	}
2563		2951
2564	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2565		2953
2566	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3009	my ($ns, $buf) = @_;
2622		3010
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3012
2625	if (ref $msg) {	3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3021	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3022	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
2632	} else {	3028	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	3030	}
2635		3031
2636	cf::override;	3032	cf::override;
…		…
2683	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2685		3081
2686	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2687		3083
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2689		3089
2690	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2691		3091
2692	=pod	3092	=pod
2693		3093
2694	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2695		3095
2696	cf::object	3096	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3098	insert remove name archname title slaying race decrease split
2699		3099
2700	cf::object::player	3100	cf::object::player
2701	player	3101	player
2702		3102
2703	cf::player	3103	cf::player
…		…
2708		3108
2709	=cut	3109	=cut
2710		3110
2711	for (	3111	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2714	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2716	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2717	) {	3118	) {
2718	no strict 'refs';	3119	no strict 'refs';
…		…
2794	# the server's init and main functions	3195	# the server's init and main functions
2795		3196
2796	sub load_facedata($) {	3197	sub load_facedata($) {
2797	my ($path) = @_;	3198	my ($path) = @_;
2798		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
2799	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2800		3207
2801	my $facedata;	3208	my $facedata;
2802	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3210	or die "$path: $!";
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2806		3213
2807	$facedata->{version} == 2	3214	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2810	{	3224	{
2811	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2812		3226
2813	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2815	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819		3234
2820	cf::cede_to_tick;	3235	cf::cede_to_tick;
2821	}	3236	}
2822		3237
2823	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2825	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2826	or next;	3242	or next;
		3243
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3247	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2848		3265
2849	{	3266	{
2850	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3270
2855	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3272	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
2863		3275
2864	if ($name =~ /\.jpg$/) {	3276	if ($info->{type} & 1) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3277	# prepend meta info
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
2867	} else {	3291	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3292	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3293	}
2874		3294
2875	cf::cede_to_tick;	3295	cf::cede_to_tick;
2876	}	3296	}
2877	}	3297	}
2878		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2879	1	3301	1
2880	}	3302	}
2881		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2882	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2883	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
2885		3349
2886	for (cf::region::list) {	3350	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3351	$_->{match} = qr/$_->{match}/
…		…
2895	}	3359	}
2896		3360
2897	sub reload_archetypes {	3361	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3364	}
2906		3365
2907	sub reload_treasures {	3366	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2910	}	3369	}
2911		3370
2912	sub reload_resources {	3371	sub reload_resources {
2913	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2914		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2915	reload_regions;	3376	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3377	reload_treasures;
2920		3378
2921	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2922	}	3380	}
2923		3381
2924	sub init {	3382	sub reload_config {
2925	reload_resources;
2926	}
2927
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3384	or return;
2931		3385
2932	local $/;	3386	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2934		3388
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3390
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2944	};	3398	};
2945	warn $@ if $@;	3399	warn $@ if $@;
2946	}	3400	}
2947	}	3401	}
2948		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2949	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2950	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3441	(async {
2954	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2956	};	3445	};
2957		3446
2958	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2959	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2960	load_extensions;	3465	load_extensions;
2961		3466
2962	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2963	Event::loop;	3475	EV::loop;
2964	}	3476	}
2965		3477
2966	#############################################################################	3478	#############################################################################
2967	# initialisation and cleanup	3479	# initialisation and cleanup
2968		3480
2969	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2970	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2979	},
2980	);	3487	};
2981	}	3488	}
2982	}	3489	}
2983		3490
2984	sub write_runtime {	3491	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";
2986
2987	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
2989		3494
2990	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3496
2992	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
2993		3498
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2995	or return;	3500	or return;
2996		3501
2997	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
3010		3515
3011	close $fh	3516	close $fh
3012	or return;	3517	or return;
3013		3518
3014	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3520	and return;
3016		3521
3017	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
3018		3523
3019	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
3020	}	3575	}
3021		3576
3022	sub emergency_save() {	3577	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
3024		3579
3025	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
3026		3581
3027	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
3028	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3596	$pl->save;
3036	}	3597	}
3037	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
3038		3599
3039	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3603	$map->valid or next;
3043	$map->save;	3604	$map->save;
3044	}	3605	}
3045	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
3046		3607
3047	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
3050	};	3615	};
3051		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
3052	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
3053	}	3623	}
3054		3624
3055	sub post_cleanup {	3625	sub post_cleanup {
3056	my ($make_core) = @_;	3626	my ($make_core) = @_;
3057		3627
3058	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
3059	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
3060	}	3659	}
3061		3660
3062	sub do_reload_perl() {	3661	sub do_reload_perl() {
3063	# can/must only be called in main	3662	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
3065	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
3066	return;	3665	return;
3067	}	3666	}
3068		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3069	warn "reloading...";	3673	warn "reloading...";
3070		3674
3071	warn "entering sync_job";	3675	warn "entering sync_job";
3072		3676
3073	cf::sync_job {	3677	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3679	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3077		3681
3078	warn "syncing database to disk";	3682	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3684
3081	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3082		3686
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3690	}
3120		3691
3121	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3123	}	3694	%EXT_CORO = ();
3124		3695
3125	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3126	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3705	warn "... unloading $pkg";
3130	delete $INC{$k};
3131		3706
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3136	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3137	}	3716	}
3138		3717
3139	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3140	}	3733	}
3141		3734
3142	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145		3738
3146	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3149		3742
3150	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3744	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3153		3746
3154	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3155		3748
3156	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3157	require cf;	3750	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159		3752
3160	warn "loading config and database again";	3753	warn "loading config and database again";
3161	cf::cfg_load;	3754	cf::reload_config;
3162		3755
3163	warn "loading extensions";	3756	warn "loading extensions";
3164	cf::load_extensions;	3757	cf::load_extensions;
3165		3758
		3759	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3172		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3173	warn "leaving sync_job";	3771	warn "leaving sync_job";
3174		3772
3175	1	3773	1
3176	} or do {	3774	} or do {
3177	warn $@;	3775	warn $@;
3178	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3777	};
3181		3778
3182	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3183	};	3785	};
3184		3786
3185	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3186		3788
3187	sub reload_perl() {	3789	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3190		3792
3191	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3795
3194	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3797	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3198	},	3799	};
3199	);	3800	};
3200	}	3801	}
3201		3802
3202	register_command "reload" => sub {	3803	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3204		3805
3205	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3810	reload_perl;
		3811	};
3208	}	3812	}
3209	};	3813	};
3210		3814
3211	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3212		3816
…		…
3214		3818
3215	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3217		3821
3218	sub wait_for_tick {	3822	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3221		3824
3222	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3827	$signal->wait;
3225	}	3828	}
3226		3829
3227	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3230		3832
3231	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3835	$signal->wait;
3234	}	3836	}
3235		3837
3236	my $min = 1e6;#d#	3838	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3248	return;	3842	return;
3249	}	3843	}
3250		3844
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3254		3846
3255	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	my $t = Event::time;	3849	Coro::async_pool {
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3259	or die;	3851	write_runtime_sync
3260		3852	or warn "ERROR: unable to write runtime file: $!";
3261	$map->width (50);
3262	$map->height (50);
3263	$map->alloc;
3264	$map->_load_objects ("/tmp/x.map", 1);
3265	my $t = Event::time - $t;
3266
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3853	};
		3854	}
3277		3855
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3857	$sig->send;
3294	}	3858	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3860	$sig->send;
3297	}	3861	}
3298		3862
3299	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3865
3310	_post_tick;	3866	if (0) {
3311		3867	if ($NEXT_TICK) {
3312		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3313	},	3872	}
3314	);	3873	}
3315		3874
3316	{	3875	{
3317	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3877
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3327		3879	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3881
3343	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		3889
3346	cf::sync_job {	3890	cf::sync_job {
3347	eval {	3891	eval {
3348	BDB::db_env_open	3892	BDB::db_env_open
3349	$DB_ENV,	3893	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3897	0666;
3354		3898
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3900	};
3360		3901
3361	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3903	};
3363	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3364	}	3915	}
3365		3916
3366	{	3917	{
		3918	# configure IO::AIO
		3919
3367	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	3923	}
3380		3924
3381	my $_log_backtrace;	3925	my $_log_backtrace;
3382		3926
3383	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3387		3931
3388	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3391	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3392	my @bt = fork_call {	3939	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3404	}	3951	}
3405		3952
3406	@funcs	3953	@funcs
3407	};	3954	};
3408		3955
3409	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	3959	--$_log_backtrace;
3412	};	3960	};
3413	} else {	3961	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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