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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
100		134
101	binmode STDOUT;	135	binmode STDOUT;
102	binmode STDERR;	136	binmode STDERR;
103		137
104	# read virtual server time, if available	138	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
109	}	143	}
110		144
111	mkdir $_	145	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		191
158	The raw value load value from the last tick.	192	The raw value load value from the last tick.
159		193
160	=item %cf::CFG	194	=item %cf::CFG
161		195
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	197	from wherever your confdir points to.
164		198
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		200
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
171	=back	211	=back
172		212
173	=cut	213	=cut
174		214
175	BEGIN {	215	BEGIN {
…		…
179	$msg .= "\n"	219	$msg .= "\n"
180	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
181		221
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		223
184	utf8::encode $msg;
185	LOG llevError, $msg;	224	LOG llevError, $msg;
186	};	225	};
187	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
188		242
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	253	for my $pkg (qw(
200	cf::global cf::attachable	254	cf::global cf::attachable
201	cf::object cf::object::player	255	cf::object cf::object::player
202	cf::client cf::player	256	cf::client cf::player
203	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
204	cf::map cf::party cf::region	259	cf::party cf::region
205	)) {	260	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	262	}
209		263
210	$Event::DIED = sub {	264	$EV::DIED = sub {
211	warn "error in event callback: @_";	265	warn "error in event callback: @_";
212	};	266	};
213		267
214	#############################################################################	268	#############################################################################
215		269
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	293	$d
240	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
241	}	295	}
242		296
243	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
244		298
245	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
246		300
247	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
248		302
249	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
250		304
251	=cut	305	=cut
252		306
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		308
255	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
257		325
258	=item cf::lock_wait $string	326	=item cf::lock_wait $string
259		327
260	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
261		329
…		…
264	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
267	returned.	335	returned.
268		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
269	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
271		342
272	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
273		344
274	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
275		346
276	=cut	347	=cut
277		348
278	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
279		351
280	sub lock_wait($) {	352	sub lock_wait($) {
281	my ($key) = @_;	353	my ($key) = @_;
282		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
283	# wait for lock, if any	360	# wait for lock, if any
284	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	364	Coro::schedule;
287	}	365	}
288	}	366	}
289		367
…		…
292		370
293	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
294	lock_wait $key;	372	lock_wait $key;
295		373
296	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
297		376
298	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
301	}	381	}
302	}	382	}
303		383
…		…
306		386
307	! ! $LOCK{$key}	387	! ! $LOCK{$key}
308	}	388	}
309		389
310	sub freeze_mainloop {	390	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
312		392
313	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
315	};	454	}
316	$TICK_WATCHER->stop;	455	};
317	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
318	}	469	}
319		470
320	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
321		472
322	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		478
328	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
329		480
330	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
331		482
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	486	acceptable.
336		487
337	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		494
344	sub sync_job(&) {	495	sub sync_job(&) {
345	my ($job) = @_;	496	my ($job) = @_;
346		497
347	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	499	my $time = EV::time;
349		500
350	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
352		503
353	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	505
355	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
356		507
357	my $busy = 1;	508	my $busy = 1;
358	my @res;	509	my @res;
359		510
360	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	513	@res = eval { $job->() };
362	warn $@ if $@;	514	warn $@ if $@;
363	undef $busy;	515	undef $busy;
364	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
365		517
366	while ($busy) {	518	while ($busy) {
367	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
368	}	523	}
		524	}
369		525
370	$time = Event::time - $time;	526	my $time = EV::time - $time;
371		527
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
376		529
377	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
378	} else {	531	} else {
379	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
380		533
…		…
405	=item fork_call { }, $args	558	=item fork_call { }, $args
406		559
407	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
411		564
412	=cut	565	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		566
423	sub fork_call(&@) {	567	sub fork_call(&@) {
424	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
425		569
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		573
431	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	575	reset_signals;
445	local $SIG{__WARN__};	576	&$cb
446	local $SIG{__DIE__};	577	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		578
453	eval {	579	wantarray ? @res : $res[-1]
454	close $fh1;	580	}
455		581
456	my @res = eval { $cb->(@args) };	582	=item $coin = coin_from_name $name
457		583
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	584	=cut
459	close $fh2;
460	};
461		585
462	warn $@ if $@;	586	our %coin_alias = (
463	_exit 0;	587	"silver" => "silvercoin",
464	}	588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
465	}	607	}
466		608
467	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
468		610
469	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
472		614
473	Stores the given C<$value> in the family. It can currently store binary	615	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
476	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
477		641
478	our $DB;	642	our $DB;
479		643
480	sub db_init {	644	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	645	cf::sync_job {
485	eval {	646	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	647	};
495	}	648	}
496		649
497	sub db_get($$) {	650	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
499		652
…		…
549	if (1) {	702	if (1) {
550	$md5 =	703	$md5 =
551	join "\x00",	704	join "\x00",
552	$processversion,	705	$processversion,
553	map {	706	map {
554	Coro::cede;	707	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	709	} 0.. $#$src;
557		710
558		711
559	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		750
598	#############################################################################	751	#############################################################################
599		752
600	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
601		754
602	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
605		758
606	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	761	Deliantra).
609		762
610	=over 4	763	=over 4
611		764
612	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
613		766
…		…
657	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
658		811
659	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
661		814
662	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
664		817
665	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
666		819
667	=over 4	820	=over 4
…		…
865	";	1018	";
866	die if $@;	1019	die if $@;
867	}	1020	}
868		1021
869	our $override;	1022	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1024
872	sub override {	1025	sub override {
873	$override = 1;	1026	$override = 1;
874	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
875	}	1028	}
876		1029
877	sub do_invoke {	1030	sub do_invoke {
878	my $event = shift;	1031	my $event = shift;
879	my $callbacks = shift;	1032	my $callbacks = shift;
880		1033
881	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
882		1035
883	local $override;	1036	local $override;
884		1037
885	for (@$callbacks) {	1038	for (@$callbacks) {
886	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
895	}	1048	}
896		1049
897	0	1050	0
898	}	1051	}
899		1052
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1054
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1056
904	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
905		1058
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1062
910	=back	1063	=back
911		1064
912	=cut	1065	=cut
913		1066
914	#############################################################################	1067	#############################################################################
915	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
916		1111
917	sub reattach {	1112	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1114	my ($obj) = @_;
920		1115
		1116	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1118
923	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
924		1120
925	@$registry = ();	1121	@$registry = ();
926		1122
…		…
941	cf::attachable->attach (	1137	cf::attachable->attach (
942	prio => -1000000,	1138	prio => -1000000,
943	on_instantiate => sub {	1139	on_instantiate => sub {
944	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
945		1141
946	$data = from_json $data;	1142	$data = decode_json $data;
947		1143
948	for (@$data) {	1144	for (@$data) {
949	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
950		1146
951	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1163	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
969		1165
970	sync_job {	1166	sync_job {
971	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
974		1171
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1176	aio_close $fh;
980		1177
981	if (@$objs) {	1178	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1184	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
989	}	1186	}
990	} else {	1187	} else {
991	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
992	}	1189	}
993		1190
994	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
995	} else {	1195	} else {
996	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
997	}	1197	}
998	} else {	1198	} else {
999	aio_unlink $filename;	1199	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
1001	}	1201	}
1002	}	1202	};
1003	}	1203	}
1004		1204
1005	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
1007		1207
…		…
1019	or return;	1219	or return;
1020		1220
1021	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1223	or return;
		1224
1024	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
1025	}	1227	}
1026		1228
		1229	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1231	$decname, length $data, scalar @{$av || []};
		1232
1029	return ($data, $av);	1233	($data, $av)
1030	}	1234	}
1031		1235
1032	=head2 COMMAND CALLBACKS	1236	=head2 COMMAND CALLBACKS
1033		1237
1034	=over 4	1238	=over 4
…		…
1107	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
1108		1312
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1314
1111	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
1117	} else {	1330	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1332	}
1120		1333
1121	cf::override;	1334	cf::override;
…		…
1148		1361
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1364
1152	$ext{source} =	1365	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1367	. "#line 1 \"$path\"\n{\n"
1155	. $source	1368	. $source
1156	. "\n};\n1";	1369	. "\n};\n1";
1157		1370
1158	$todo{$base} = \%ext;	1371	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1387	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1388	: "$v->{base}: extension inactive.\n";
1176		1389
1177	if (exists $v->{meta}{mandatory}) {	1390	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1391	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1392	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1393	}
1182		1394
1183	warn $msg;	1395	warn $msg;
1184	}	1396	}
1185		1397
…		…
1199		1411
1200	=back	1412	=back
1201		1413
1202	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1203		1415
1204	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1205		1417
1206	=cut	1418	=cut
1207		1419
1208	package cf::player;	1420	package cf::player;
1209		1421
1210	use Coro::AIO;	1422	use Coro::AIO;
1211		1423
1212	=head3 cf::player	1424	=head3 cf::player
1213		1425
1214	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1215		1441
1216	=item cf::player::find $login	1442	=item cf::player::find $login
1217		1443
1218	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1219		1445
…		…
1238		1464
1239	sub exists($) {	1465	sub exists($) {
1240	my ($login) = @_;	1466	my ($login) = @_;
1241		1467
1242	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1244	}	1470	}
1245		1471
1246	sub find($) {	1472	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1474	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1485
1260	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1263	}	1495	}
1264	}	1496	}
1265	}	1497	}
1266		1498
…		…
1275	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1276		1508
1277	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1279		1511
		1512	cf::get_slot 0.01;
		1513
1280	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1281	Coro::cede;	1515	cf::cede_to_tick;
1282	}	1516	}
1283		1517
1284	sub new($) {	1518	sub new($) {
1285	my ($login) = @_;	1519	my ($login) = @_;
1286		1520
…		…
1292	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1293		1527
1294	$self	1528	$self
1295	}	1529	}
1296		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1297	=item $pl->quit_character	1541	=item $pl->quit_character
1298		1542
1299	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1301		1545
…		…
1305	my ($pl) = @_;	1549	my ($pl) = @_;
1306		1550
1307	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1308		1552
1309	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1555
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1316		1562
1317	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1600	or return [];
1355		1601
1356	my @logins;	1602	my @logins;
1357		1603
1358	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1362		1614
1363	utf8::decode $login;	1615	utf8::decode $login;
1364	push @logins, $login;	1616	push @logins, $login;
1365	}	1617	}
1366		1618
…		…
1393	}	1645	}
1394		1646
1395	\@paths	1647	\@paths
1396	}	1648	}
1397		1649
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1651
1400	Expand crossfire pod fragments into protocol xml.	1652	Expand deliantra pod fragments into protocol xml.
1401		1653
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1449		1655
1450	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1451		1657
1452	=cut	1658	=cut
1453		1659
1454	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1456		1662
1457	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1664	}
1460		1665
1461	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1462		1667
1463	Sends an ext event to the client.	1668	Sends an ext event to the client.
1464		1669
1465	=cut	1670	=cut
1466		1671
1467	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1469		1674
1470	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1471	}	1676	}
1472		1677
1473	=head3 cf::region	1678	=head3 cf::region
1474		1679
1475	=over 4	1680	=over 4
…		…
1488	my ($path) = @_;	1693	my ($path) = @_;
1489		1694
1490	my ($match, $specificity);	1695	my ($match, $specificity);
1491		1696
1492	for my $region (list) {	1697	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1496	}	1701	}
1497	}	1702	}
1498		1703
…		…
1519	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1521		1726
1522	sub generate_random_map {	1727	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1524	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1733	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1619	return $self;	1827	return $self;
1620	}	1828	}
1621	}	1829	}
1622		1830
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1832	()
1625	}	1833	}
1626		1834
1627	sub init {	1835	sub init {
1628	my ($self) = @_;	1836	my ($self) = @_;
…		…
1650		1858
1651	# the temporary/swap location	1859	# the temporary/swap location
1652	sub save_path {	1860	sub save_path {
1653	my ($self) = @_;	1861	my ($self) = @_;
1654		1862
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1657	}	1865	}
1658		1866
1659	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1660	sub uniq_path {	1868	sub uniq_path {
1661	my ($self) = @_;	1869	my ($self) = @_;
1662		1870
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1665	}	1873	}
1666		1874
1667	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1668	# all maps in C++...	1876	# all maps in C++...
…		…
1691		1899
1692	sub load_header_from($) {	1900	sub load_header_from($) {
1693	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1694		1902
1695	utf8::encode $path;	1903	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1701		1912
1702	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1703		1914
1704	1	1915	1
1705	}	1916	}
…		…
1759	sub find {	1970	sub find {
1760	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1761		1972
1762	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1763		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1765		1977
1766	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1767	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1768	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1769	or return;	1983	or return;
1770		1984
1771	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1772		1986
…		…
1774	or return;	1988	or return;
1775		1989
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1779	$map->reset;	1995	$map->reset;
1780	undef $guard;
1781	return find $path;	1996	return find $path;
1782	}	1997	}
1783		1998
1784	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1785	}	2000	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1795		2010
1796	my $path = $self->{path};	2011	my $path = $self->{path};
1797		2012
1798	{	2013	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1800		2015
		2016	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2018
1803	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1804		2020
1805	$self->alloc;	2021	$self->alloc;
1806		2022
1807	$self->pre_load;	2023	$self->pre_load;
1808	Coro::cede;	2024	cf::cede_to_tick;
1809		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1811	or return;	2029	or return;
1812		2030
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1814	if delete $self->{load_original};	2032	if delete $self->{load_original};
1815		2033
1816	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2035	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2038	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1821	}	2042	}
1822	}	2043	}
1823		2044
1824	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1825	# now do the right thing for maps	2048	# now do the right thing for maps
1826	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2051	unless $self->difficulty;
1829	Coro::cede;	2052	cf::cede_to_tick;
1830		2053
1831	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2055	$self->decay_objects;
1833	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1834	$self->update_buttons;	2057	$self->update_buttons;
1835	Coro::cede;	2058	cf::cede_to_tick;
1836	$self->set_darkness_map;	2059	$self->set_darkness_map;
1837	Coro::cede;	2060	cf::cede_to_tick;
1838	$self->activate;	2061	$self->activate;
1839	}	2062	}
1840		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2068	}
1843		2069
1844	$self->post_load;	2070	$self->post_load;
1845	}	2071	}
1846		2072
…		…
1855		2081
1856	$self	2082	$self
1857	}	2083	}
1858		2084
1859	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2086	sub load_neighbours {
1861	my ($map) = @_;	2087	my ($map) = @_;
1862		2088
1863	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1864		2090
1865	for (0 .. 3) {	2091	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1867	or next;	2093	or next;
1868	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1869	or next;	2095	or next;
1870	$neigh->load;	2096	$neigh->load;
1871		2097
		2098	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2101	}
1875		2102
1876	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1878	or next;	2106	or next;
1879	$neigh->load;	2107	$neigh->load;
1880	}	2108	}
1881	}	2109	}
1882		2110
…		…
1887	}	2115	}
1888		2116
1889	sub do_load_sync {	2117	sub do_load_sync {
1890	my ($map) = @_;	2118	my ($map) = @_;
1891		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1892	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1893	}	2124	}
1894		2125
1895	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1897		2128
1898	sub find_async {	2129	sub find_async {
1899	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1900		2131
1901	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1902		2133
1903	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2136	}
1906		2137
1907	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1908	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1909	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2145	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2146	$map->load if $v;
		2147	}
1914		2148
1915	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1916	}	2150	}
1917	}	2151	}
1918	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1919	};	2153	};
1920	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2157	}
1924		2158
1925	sub save {	2159	sub save {
1926	my ($self) = @_;	2160	my ($self) = @_;
1927		2161
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2163
1930	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1931		2165
1932	return unless $self->dirty;	2166	return unless $self->dirty;
1933		2167
…		…
1939	return if $self->{deny_save};	2173	return if $self->{deny_save};
1940		2174
1941	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1942		2176
1943	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1945	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1946		2183
1947	if ($uniq) {	2184	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2187	} else {
…		…
1956	my ($self) = @_;	2193	my ($self) = @_;
1957		2194
1958	# save first because save cedes	2195	# save first because save cedes
1959	$self->save;	2196	$self->save;
1960		2197
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2199
1963	return if $self->players;	2200	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2202	return if $self->{deny_save};
1966		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2208	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2209	}
1970		2210
1971	sub reset_at {	2211	sub reset_at {
1972	my ($self) = @_;	2212	my ($self) = @_;
1973		2213
…		…
2005	if $uniq;	2245	if $uniq;
2006	}	2246	}
2007		2247
2008	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2009		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2252	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2253
2014	$self->unlink_save;	2254	$self->unlink_save;
2015	$self->destroy;	2255	$self->destroy;
2016	}	2256	}
2017		2257
2018	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
2019		2259
2020	sub nuke {	2260	sub nuke {
2021	my ($self) = @_;	2261	my ($self) = @_;
2022		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
2023	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2024		2267
2025	$self->unlink_save;	2268	$self->unlink_save;
2026		2269
2027	bless $self, "cf::map";	2270	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2275
2033	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
2034		2278
2035	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
2036	}	2280	}
2037		2281
2038	=item $maps = cf::map::tmp_maps	2282	=item $maps = cf::map::tmp_maps
…		…
2080		2324
2081	sub unique_maps() {	2325	sub unique_maps() {
2082	[	2326	[
2083	map {	2327	map {
2084	utf8::decode $_;	2328	utf8::decode $_;
2085	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
2086	? normalise $_	2332	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2334	]
2090	}	2335	}
2091		2336
2092	package cf;
2093
2094	=back	2337	=back
2095		2338
2096	=head3 cf::object	2339	=head3 cf::object
2097		2340
2098	=cut	2341	=cut
…		…
2101		2344
2102	=over 4	2345	=over 4
2103		2346
2104	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
2105		2348
2106	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
2107		2351
2108	=cut	2352	=cut
2109		2353
2110	sub inv_recursive_;	2354	sub inv_recursive_;
2111	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
2114		2358
2115	sub inv_recursive {	2359	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
2117	}	2361	}
2118		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
2119	package cf;	2391	package cf;
2120		2392
2121	=back	2393	=back
2122		2394
2123	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
2132		2404
2133	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
2134		2420
2135	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2422	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
2145		2431
2146	} else {	2432	} else {
2147	my $pl = $self->contr;	2433	my $pl = $self->contr;
2148		2434
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2436	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2438
2158	} else {	2439	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2442	}
2162	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
2163	}	2454	}
2164		2455
2165	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
2166		2457
2167	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
2180		2471
2181	=item $player_object->enter_link	2472	=item $player_object->enter_link
2182		2473
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2475
2185	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
2187		2480
2188	Will never block.	2481	Will never block.
2189		2482
2190	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
2191		2484
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
2249		2542
2250	$map->load;	2543	$map->load;
2251	$map->load_diag;	2544	$map->load_neighbours;
2252		2545
2253	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2254	$self->activate_recursive;	2548	$self->activate_recursive;
2255		2549
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2258	}	2552	}
2259		2553
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2555
2262	Moves the player to the given map-path and coordinates by first freezing	2556	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2559	the new (success) or old (failed) map position. In either case, $done will
		2560	be called at the end of this process.
		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
2266		2564
2267	=cut	2565	=cut
2268		2566
2269	our $GOTOGEN;	2567	our $GOTOGEN;
2270		2568
2271	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2571
2274	# do generation counting so two concurrent goto's will be executed in-order	2572	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2574
2277	$self->enter_link;	2575	$self->enter_link;
2278		2576
2279	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
2280	my $map = eval {	2599	my $map = eval {
2281	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2282		2601
2283	if ($map) {	2602	if ($map) {
2284	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2286	} else {	2605	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2607	}
2289		2608
2290	$map	2609	$map
2291	};	2610	};
2292		2611
…		…
2297		2616
2298	if ($gen == $self->{_goto_generation}) {	2617	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2618	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
2301	}	2620	}
		2621
		2622	$done->() if $done;
2302	})->prio (1);	2623	})->prio (1);
2303	}	2624	}
2304		2625
2305	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2306		2627
…		…
2326	}	2647	}
2327		2648
2328	sub prepare_random_map {	2649	sub prepare_random_map {
2329	my ($exit) = @_;	2650	my ($exit) = @_;
2330		2651
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2654	# that depends on the exit object
2336		2655
2337	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2658	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2344	}	2665	}
2345		2666
2346	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2347		2668
2348	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2351		2672
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2675	undef $fh;
2355	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2356		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2359	}	2684	}
2360	}	2685	}
2361		2686
2362	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2364		2689
2365	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2366		2691
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2692	$self->enter_link;
2379		2693
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2694	(async {
2385	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2386	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2387	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2388		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2389	1;	2718	1
2390	}) {	2719	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2724
2396	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2415		2744
2416	utf8::encode $text;	2745	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2747	}
2419		2748
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2750
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2751	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2752	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2753	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2754	the message unless the client supports the msg packet.
2426		2755
2427	=cut	2756	=cut
2428		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
2429	sub cf::client::send_msg {	2822	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2823	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2824
2432	$msg = $self->pl->expand_cfpod ($msg);	2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
2433		2849
2434	return unless @extra || length $msg;	2850	return unless @extra || length $msg;
2435		2851
2436	if ($self->can_msg) {	2852	if ($self->can_msg) {
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
2438	} else {	2873	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	if ($color >= 0) {	2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
2450	if (0 && $msg =~ /\[/) {	2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2892	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2894	$self->send_packet ("drawinfo $color $msg")
2455	}	2895	}
2456	}	2896	}
2457	}	2897	}
2458	}	2898	}
2459		2899
2460	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2461		2901
2462	Sends an ext event to the client.	2902	Sends an ext event to the client.
2463		2903
2464	=cut	2904	=cut
2465		2905
2466	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2468		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2471	}	2933	}
2472		2934
2473	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2474		2936
2475	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2992	my ($ns, $buf) = @_;
2531		2993
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2995
2534	if (ref $msg) {	2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3004	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3005	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
2541	} else {	3011	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3013	}
2544		3014
2545	cf::override;	3015	cf::override;
…		…
2592	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2594		3064
2595	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2596		3066
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2598		3072
2599	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2600		3074
2601	=pod	3075	=pod
2602		3076
2603	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2604		3078
2605	cf::object	3079	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3080	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3081	insert remove name archname title slaying race decrease split
2608		3082
2609	cf::object::player	3083	cf::object::player
2610	player	3084	player
2611		3085
2612	cf::player	3086	cf::player
…		…
2617		3091
2618	=cut	3092	=cut
2619		3093
2620	for (	3094	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2623	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2626	) {	3101	) {
2627	no strict 'refs';	3102	no strict 'refs';
…		…
2703	# the server's init and main functions	3178	# the server's init and main functions
2704		3179
2705	sub load_facedata($) {	3180	sub load_facedata($) {
2706	my ($path) = @_;	3181	my ($path) = @_;
2707		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2708	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2709		3190
2710	my $facedata;	3191	my $facedata;
2711	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3193	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2715		3196
2716	$facedata->{version} == 2	3197	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2719	{	3207	{
2720	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2721		3209
2722	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3217
		3218	cf::cede_to_tick;
2728	}	3219	}
2729		3220
2730	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2732	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2733	or next;	3225	or next;
		3226
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3230	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3232	}
2739	Coro::cede;	3233
		3234	cf::cede_to_tick;
2740	}	3235	}
2741	}	3236	}
2742		3237
2743	{	3238	{
2744	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2745		3240
2746	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3243	cf::cede_to_tick;
2749	}	3244	}
2750		3245
2751	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2752	}	3247	}
2753		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2754	1	3284	1
2755	}	3285	}
2756		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2757	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2758	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2760	}	3337	}
2761		3338
2762	sub reload_facedata {	3339	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
2765	}	3342	}
2766		3343
2767	sub reload_archetypes {	3344	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3347	}
2776		3348
2777	sub reload_treasures {	3349	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2780	}	3352	}
2781		3353
2782	sub reload_resources {	3354	sub reload_resources {
2783	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2784		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2785	reload_regions;	3359	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3360	reload_treasures;
2790		3361
2791	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2792	}	3363	}
2793		3364
2794	sub init {	3365	sub reload_config {
2795	reload_resources;
2796	}
2797
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3367	or return;
2801		3368
2802	local $/;	3369	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2804		3371
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3373
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2814	};	3381	};
2815	warn $@ if $@;	3382	warn $@ if $@;
2816	}	3383	}
2817	}	3384	}
2818		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2819	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2820	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3424	(async {
2824	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2826	};	3428	};
2827		3429
2828	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2829	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2830	load_extensions;	3448	load_extensions;
2831		3449
2832	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2833	Event::loop;	3458	EV::loop;
2834	}	3459	}
2835		3460
2836	#############################################################################	3461	#############################################################################
2837	# initialisation and cleanup	3462	# initialisation and cleanup
2838		3463
2839	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2840	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2849	},
2850	);	3470	};
2851	}	3471	}
2852	}	3472	}
2853		3473
2854	sub write_runtime {	3474	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";
2856
2857	# first touch the runtime file to show we are still running:	3475	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3476	# the fsync below can take a very very long time.
2859		3477
2860	IO::AIO::aio_utime $runtime, undef, undef;	3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3479
2862	my $guard = cf::lock_acquire "write_runtime";	3480	my $guard = cf::lock_acquire "write_runtime";
2863		3481
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865	or return;	3483	or return;
2866		3484
2867	my $value = $cf::RUNTIME + 90 + 10;	3485	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3486	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3487	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3497	aio_utime $fh, undef, undef;
2880		3498
2881	close $fh	3499	close $fh
2882	or return;	3500	or return;
2883		3501
2884	aio_rename "$runtime~", $runtime	3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3503	and return;
2886		3504
2887	warn "runtime file written.\n";	3505	warn "runtime file written.\n";
2888		3506
2889	1	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2890	}	3558	}
2891		3559
2892	sub emergency_save() {	3560	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2894		3562
…		…
2900	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3574	$pl->save;
2906	}	3575	}
2907	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2908		3577
2909	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2915	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2916		3585
2917	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2920	};	3593	};
2921		3594
2922	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2923	}	3596	}
2924		3597
2925	sub post_cleanup {	3598	sub post_cleanup {
2926	my ($make_core) = @_;	3599	my ($make_core) = @_;
2927		3600
2928	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2930	}	3632	}
2931		3633
2932	sub do_reload_perl() {	3634	sub do_reload_perl() {
2933	# can/must only be called in main	3635	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2936	return;	3638	return;
2937	}	3639	}
2938		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2939	warn "reloading...";	3644	warn "reloading...";
2940		3645
2941	warn "entering sync_job";	3646	warn "entering sync_job";
2942		3647
2943	cf::sync_job {	3648	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3650	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2947		3652
2948	warn "syncing database to disk";	3653	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3655
2951	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2952		3657
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3661	}
2990		3662
2991	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2993	}	3665	%EXT_CORO = ();
2994		3666
2995	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3676	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3677
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
3006	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
3007	}	3687	}
3008		3688
3009	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
3010	}	3704	}
3011		3705
3012	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3709
3016	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
3019		3713
3020	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3715	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
3023		3717
3024	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
3025		3719
3026	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
3027	require cf;	3721	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3723
3030	warn "loading config and database again";	3724	warn "loading config and database again";
3031	cf::cfg_load;	3725	cf::reload_config;
3032		3726
3033	warn "loading extensions";	3727	warn "loading extensions";
3034	cf::load_extensions;	3728	cf::load_extensions;
3035		3729
3036	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
3042		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
3043	warn "leaving sync_job";	3740	warn "leaving sync_job";
3044		3741
3045	1	3742	1
3046	} or do {	3743	} or do {
3047	warn $@;	3744	warn $@;
3048	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3746	};
3051		3747
3052	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
3053	};	3751	};
3054		3752
3055	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
3056		3754
3057	sub reload_perl() {	3755	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
3060		3758
3061	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3760	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
3068	},
3069	);	3762	};
3070	}	3763	}
3071		3764
3072	register_command "reload" => sub {	3765	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3074		3767
3075	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3772	reload_perl;
		3773	};
3078	}	3774	}
3079	};	3775	};
3080		3776
3081	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3082		3778
…		…
3084		3780
3085	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3087		3783
3088	sub wait_for_tick {	3784	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3091		3786
3092	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3789	$signal->wait;
3095	}	3790	}
3096		3791
3097	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3100		3794
3101	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3797	$signal->wait;
3104	}	3798	}
3105		3799
3106	my $min = 1e6;#d#	3800	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3118	return;	3804	return;
3119	}	3805	}
3120		3806
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3124		3808
3125	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3811	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3129	or die;	3813	write_runtime_sync
3130		3814	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3815	};
		3816	}
3147		3817
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3819	$sig->send;
3164	}	3820	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3822	$sig->send;
3167	}	3823	}
3168		3824
3169	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3827
3180	_post_tick;	3828	if (0) {
3181		3829	if ($NEXT_TICK) {
3182		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3183	},	3834	}
3184	);	3835	}
3185		3836
3186	{	3837	{
3187	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3839
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3197		3841	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3843
3213	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		3851
3216	cf::sync_job {	3852	cf::sync_job {
3217	eval {	3853	eval {
3218	BDB::db_env_open	3854	BDB::db_env_open
3219	$DB_ENV,	3855	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3859	0666;
3224		3860
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3862	};
3230		3863
3231	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3865	};
3233	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3234	}	3877	}
3235		3878
3236	{	3879	{
		3880	# configure IO::AIO
		3881
3237	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3885	}
3250		3886
3251	my $_log_backtrace;	3887	my $_log_backtrace;
3252		3888
3253	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3257		3893
3258	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3261	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3262	my @bt = fork_call {	3901	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3274	}	3913	}
3275		3914
3276	@funcs	3915	@funcs
3277	};	3916	};
3278		3917
3279	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	3921	--$_log_backtrace;
3282	};	3922	};
3283	} else {	3923	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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