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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.284 by root, Sun Jun 24 04:15:42 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
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
98		134
99	binmode STDOUT;	135	binmode STDOUT;
100	binmode STDERR;	136	binmode STDERR;
101		137
102	# read virtual server time, if available	138	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
107	}	143	}
108		144
109	mkdir $_	145	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		191
156	The raw value load value from the last tick.	192	The raw value load value from the last tick.
157		193
158	=item %cf::CFG	194	=item %cf::CFG
159		195
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	197	from wherever your confdir points to.
162		198
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		200
165	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
166	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
167	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.
168		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
169	=back	211	=back
170		212
171	=cut	213	=cut
172		214
173	BEGIN {	215	BEGIN {
…		…
177	$msg .= "\n"	219	$msg .= "\n"
178	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
179		221
180	$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;
181		223
182	utf8::encode $msg;
183	LOG llevError, $msg;	224	LOG llevError, $msg;
184	};	225	};
185	}	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#?
186		242
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	253	for my $pkg (qw(
198	cf::global cf::attachable	254	cf::global cf::attachable
199	cf::object cf::object::player	255	cf::object cf::object::player
200	cf::client cf::player	256	cf::client cf::player
201	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
202	cf::map cf::party cf::region	259	cf::party cf::region
203	)) {	260	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	262	}
207		263
208	$Event::DIED = sub {	264	$EV::DIED = sub {
209	warn "error in event callback: @_";	265	warn "error in event callback: @_";
210	};	266	};
211		267
212	#############################################################################	268	#############################################################################
213		269
…		…
236	$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;
237	$d	293	$d
238	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
239	}	295	}
240		296
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[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	}
250		325
251	=item cf::lock_wait $string	326	=item cf::lock_wait $string
252		327
253	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
254		329
…		…
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
260	returned.	335	returned.
261		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
262	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
263	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
264		342
265	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
266		344
267	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
268		346
269	=cut	347	=cut
270		348
271	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
272		351
273	sub lock_wait($) {	352	sub lock_wait($) {
274	my ($key) = @_;	353	my ($key) = @_;
275		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
276	# wait for lock, if any	360	# wait for lock, if any
277	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
278	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	364	Coro::schedule;
280	}	365	}
281	}	366	}
282		367
…		…
285		370
286	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
287	lock_wait $key;	372	lock_wait $key;
288		373
289	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
290		376
291	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
294	}	381	}
295	}	382	}
296		383
…		…
299		386
300	! ! $LOCK{$key}	387	! ! $LOCK{$key}
301	}	388	}
302		389
303	sub freeze_mainloop {	390	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
305		392
306	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
307	$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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
308	};	454	}
309	$TICK_WATCHER->stop;	455	};
310	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
311	}	469	}
312		470
313	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
314		472
315	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		478
321	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
322		480
323	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
324		482
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	486	acceptable.
329		487
330	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		494
337	sub sync_job(&) {	495	sub sync_job(&) {
338	my ($job) = @_;	496	my ($job) = @_;
339		497
340	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	499	my $time = EV::time;
342		500
343	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
345		503
346	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	505
348	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
349		507
350	my $busy = 1;	508	my $busy = 1;
351	my @res;	509	my @res;
352		510
353	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	513	@res = eval { $job->() };
355	warn $@ if $@;	514	warn $@ if $@;
356	undef $busy;	515	undef $busy;
357	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
358		517
359	while ($busy) {	518	while ($busy) {
360	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
361	}	523	}
		524	}
362		525
363	$time = Event::time - $time;	526	my $time = EV::time - $time;
364		527
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
369		529
370	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
371	} else {	531	} else {
372	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
373		533
…		…
398	=item fork_call { }, $args	558	=item fork_call { }, $args
399		559
400	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
404		564
405	=cut	565	=cut
406		566
407	sub fork_call(&@) {	567	sub fork_call(&@) {
408	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
409		569
410	# 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,
411	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		573
415	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	575	reset_signals;
428	local $SIG{__WARN__};	576	&$cb
429	local $SIG{__DIE__};	577	}, @args;
430	eval {
431	close $fh1;
432		578
433	my @res = eval { $cb->(@args) };	579	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	580	}
435	};
436		581
437	warn $@ if $@;	582	=item $coin = coin_from_name $name
438	_exit 0;	583
439	}	584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		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
440	}	607	}
441		608
442	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
443		610
444	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
447		614
448	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
449	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).
450		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
451	=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	}
452		641
453	our $DB;	642	our $DB;
454		643
455	sub db_init {	644	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	645	cf::sync_job {
460	eval {	646	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	647	};
470	}	648	}
471		649
472	sub db_get($$) {	650	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
474		652
…		…
524	if (1) {	702	if (1) {
525	$md5 =	703	$md5 =
526	join "\x00",	704	join "\x00",
527	$processversion,	705	$processversion,
528	map {	706	map {
529	Coro::cede;	707	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	709	} 0.. $#$src;
532		710
533		711
534	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		750
573	#############################################################################	751	#############################################################################
574		752
575	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
576		754
577	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
578	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")
579	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
580		758
581	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>
582	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
583	Crossfire TRT).	761	Deliantra).
584		762
585	=over 4	763	=over 4
586		764
587	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
588		766
…		…
632	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
633		811
634	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
635	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
636		814
637	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		817
640	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
641		819
642	=over 4	820	=over 4
…		…
840	";	1018	";
841	die if $@;	1019	die if $@;
842	}	1020	}
843		1021
844	our $override;	1022	our $override;
845	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?
846		1024
847	sub override {	1025	sub override {
848	$override = 1;	1026	$override = 1;
849	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
850	}	1028	}
851		1029
852	sub do_invoke {	1030	sub do_invoke {
853	my $event = shift;	1031	my $event = shift;
854	my $callbacks = shift;	1032	my $callbacks = shift;
855		1033
856	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
857		1035
858	local $override;	1036	local $override;
859		1037
860	for (@$callbacks) {	1038	for (@$callbacks) {
861	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
870	}	1048	}
871		1049
872	0	1050	0
873	}	1051	}
874		1052
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1054
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1056
879	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
880		1058
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1062
885	=back	1063	=back
886		1064
887	=cut	1065	=cut
888		1066
889	#############################################################################	1067	#############################################################################
890	# 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	}
891		1111
892	sub reattach {	1112	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1114	my ($obj) = @_;
895		1115
		1116	# no longer needed after getting rid of delete_package?
896	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
897		1118
898	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
899		1120
900	@$registry = ();	1121	@$registry = ();
901		1122
…		…
916	cf::attachable->attach (	1137	cf::attachable->attach (
917	prio => -1000000,	1138	prio => -1000000,
918	on_instantiate => sub {	1139	on_instantiate => sub {
919	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
920		1141
921	$data = from_json $data;	1142	$data = decode_json $data;
922		1143
923	for (@$data) {	1144	for (@$data) {
924	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
925		1146
926	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1163	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
944		1165
945	sync_job {	1166	sync_job {
946	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
949		1171
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1176	aio_close $fh;
955		1177
956	if (@$objs) {	1178	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1184	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
964	}	1186	}
965	} else {	1187	} else {
966	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
967	}	1189	}
968		1190
969	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
970	} else {	1195	} else {
971	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
972	}	1197	}
973	} else {	1198	} else {
974	aio_unlink $filename;	1199	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
976	}	1201	}
977	}	1202	};
978	}	1203	}
979		1204
980	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
982		1207
…		…
994	or return;	1219	or return;
995		1220
996	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
998	or return;	1223	or return;
		1224
999	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
1000	}	1227	}
1001		1228
		1229	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1231	$decname, length $data, scalar @{$av || []};
		1232
1004	return ($data, $av);	1233	($data, $av)
1005	}	1234	}
1006		1235
1007	=head2 COMMAND CALLBACKS	1236	=head2 COMMAND CALLBACKS
1008		1237
1009	=over 4	1238	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1259	}
1031		1260
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1262
1034	Register a callback fro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
1035		1268
1036	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
1037	called.	1270	called.
1038		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
1039	=cut	1283	=cut
1040		1284
1041	sub register_extcmd {	1285	sub register_extcmd {
1042	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
1043		1287
1044	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
1045	}	1295	}
1046		1296
1047	cf::player->attach (	1297	cf::player->attach (
1048	on_command => sub {	1298	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1308	cf::override;
1059	},	1309	},
1060	on_extcmd => sub {	1310	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
1062		1312
1063	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1314
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
1071	} else {	1330	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1332	}
1074		1333
1075	cf::override;	1334	cf::override;
…		…
1102		1361
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1364
1106	$ext{source} =	1365	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1367	. "#line 1 \"$path\"\n{\n"
1109	. $source	1368	. $source
1110	. "\n};\n1";	1369	. "\n};\n1";
1111		1370
1112	$todo{$base} = \%ext;	1371	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1387	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1388	: "$v->{base}: extension inactive.\n";
1130		1389
1131	if (exists $v->{meta}{mandatory}) {	1390	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1391	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1392	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1393	}
1136		1394
1137	warn $msg;	1395	warn $msg;
1138	}	1396	}
1139		1397
…		…
1153		1411
1154	=back	1412	=back
1155		1413
1156	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1157		1415
1158	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1159		1417
1160	=cut	1418	=cut
1161		1419
1162	package cf::player;	1420	package cf::player;
1163		1421
1164	use Coro::AIO;	1422	use Coro::AIO;
1165		1423
1166	=head3 cf::player	1424	=head3 cf::player
1167		1425
1168	=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	}
1169		1441
1170	=item cf::player::find $login	1442	=item cf::player::find $login
1171		1443
1172	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1173		1445
…		…
1192		1464
1193	sub exists($) {	1465	sub exists($) {
1194	my ($login) = @_;	1466	my ($login) = @_;
1195		1467
1196	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1198	}	1470	}
1199		1471
1200	sub find($) {	1472	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1474	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1485
1214	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1217	}	1495	}
1218	}	1496	}
1219	}	1497	}
1220		1498
…		…
1229	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1230		1508
1231	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1233		1511
		1512	cf::get_slot 0.01;
		1513
1234	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1235	Coro::cede;	1515	cf::cede_to_tick;
1236	}	1516	}
1237		1517
1238	sub new($) {	1518	sub new($) {
1239	my ($login) = @_;	1519	my ($login) = @_;
1240		1520
…		…
1246	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1247		1527
1248	$self	1528	$self
1249	}	1529	}
1250		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
1251	=item $pl->quit_character	1541	=item $pl->quit_character
1252		1542
1253	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
1254	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1255		1545
…		…
1259	my ($pl) = @_;	1549	my ($pl) = @_;
1260		1550
1261	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1262		1552
1263	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1264	$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
1265		1555
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1270		1562
1271	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1600	or return [];
1309		1601
1310	my @logins;	1602	my @logins;
1311		1603
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1316		1614
1317	utf8::decode $login;	1615	utf8::decode $login;
1318	push @logins, $login;	1616	push @logins, $login;
1319	}	1617	}
1320		1618
…		…
1347	}	1645	}
1348		1646
1349	\@paths	1647	\@paths
1350	}	1648	}
1351		1649
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1651
1354	Expand crossfire pod fragments into protocol xml.	1652	Expand deliantra pod fragments into protocol xml.
1355		1653
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1386		1655
1387	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1388		1657
1389	=cut	1658	=cut
1390		1659
1391	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1393		1662
1394	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1664	}
1398		1665
1399	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1400		1667
1401	Sends an ext event to the client.	1668	Sends an ext event to the client.
1402		1669
1403	=cut	1670	=cut
1404		1671
1405	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1407		1674
1408	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1409	}	1676	}
1410		1677
1411	=head3 cf::region	1678	=head3 cf::region
1412		1679
1413	=over 4	1680	=over 4
…		…
1426	my ($path) = @_;	1693	my ($path) = @_;
1427		1694
1428	my ($match, $specificity);	1695	my ($match, $specificity);
1429		1696
1430	for my $region (list) {	1697	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1434	}	1701	}
1435	}	1702	}
1436		1703
…		…
1457	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1459		1726
1460	sub generate_random_map {	1727	sub generate_random_map {
1461	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
1462	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1733	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1556	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1557	return $self;	1827	return $self;
1558	}	1828	}
1559	}	1829	}
1560		1830
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1832	()
1563	}	1833	}
1564		1834
1565	sub init {	1835	sub init {
1566	my ($self) = @_;	1836	my ($self) = @_;
…		…
1588		1858
1589	# the temporary/swap location	1859	# the temporary/swap location
1590	sub save_path {	1860	sub save_path {
1591	my ($self) = @_;	1861	my ($self) = @_;
1592		1862
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1595	}	1865	}
1596		1866
1597	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1598	sub uniq_path {	1868	sub uniq_path {
1599	my ($self) = @_;	1869	my ($self) = @_;
1600		1870
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1603	}	1873	}
1604		1874
1605	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1606	# all maps in C++...	1876	# all maps in C++...
…		…
1629		1899
1630	sub load_header_from($) {	1900	sub load_header_from($) {
1631	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1632		1902
1633	utf8::encode $path;	1903	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	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;
1639		1912
1640	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1641		1914
1642	1	1915	1
1643	}	1916	}
…		…
1697	sub find {	1970	sub find {
1698	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1699		1972
1700	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1701		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1703		1977
1704	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1705	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1706	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1707	or return;	1983	or return;
1708		1984
1709	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1710		1986
…		…
1712	or return;	1988	or return;
1713		1989
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1717	$map->reset;	1995	$map->reset;
1718	undef $guard;
1719	return find $path;	1996	return find $path;
1720	}	1997	}
1721		1998
1722	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1723	}	2000	}
…		…
1732	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1733		2010
1734	my $path = $self->{path};	2011	my $path = $self->{path};
1735		2012
1736	{	2013	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1738		2015
		2016	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2018
1741	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1742		2020
1743	$self->alloc;	2021	$self->alloc;
1744		2022
1745	$self->pre_load;	2023	$self->pre_load;
1746	Coro::cede;	2024	cf::cede_to_tick;
1747		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1749	or return;	2029	or return;
1750		2030
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1752	if delete $self->{load_original};	2032	if delete $self->{load_original};
1753		2033
1754	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2035	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2038	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1759	}	2042	}
1760	}	2043	}
1761		2044
1762	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1763	# now do the right thing for maps	2048	# now do the right thing for maps
1764	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2051	unless $self->difficulty;
1767	Coro::cede;	2052	cf::cede_to_tick;
1768		2053
1769	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2055	$self->decay_objects;
1771	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1772	$self->update_buttons;	2057	$self->update_buttons;
1773	Coro::cede;	2058	cf::cede_to_tick;
1774	$self->set_darkness_map;	2059	$self->set_darkness_map;
1775	Coro::cede;	2060	cf::cede_to_tick;
1776	$self->activate;	2061	$self->activate;
1777	}	2062	}
1778		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2068	}
1781		2069
1782	$self->post_load;	2070	$self->post_load;
1783	}	2071	}
1784		2072
…		…
1793		2081
1794	$self	2082	$self
1795	}	2083	}
1796		2084
1797	# 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
1798	sub load_diag {	2086	sub load_neighbours {
1799	my ($map) = @_;	2087	my ($map) = @_;
1800		2088
1801	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1802		2090
1803	for (0 .. 3) {	2091	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1805	or next;	2093	or next;
1806	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1807	or next;	2095	or next;
1808	$neigh->load;	2096	$neigh->load;
1809		2097
		2098	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2101	}
1813		2102
1814	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1816	or next;	2106	or next;
1817	$neigh->load;	2107	$neigh->load;
1818	}	2108	}
1819	}	2109	}
1820		2110
…		…
1825	}	2115	}
1826		2116
1827	sub do_load_sync {	2117	sub do_load_sync {
1828	my ($map) = @_;	2118	my ($map) = @_;
1829		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1830	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1831	}	2124	}
1832		2125
1833	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1835		2128
1836	sub find_async {	2129	sub find_async {
1837	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1838		2131
1839	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1840		2133
1841	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2136	}
1844		2137
1845	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1846	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1847	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2145	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2146	$map->load if $v;
		2147	}
1852		2148
1853	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1854	}	2150	}
1855	}	2151	}
1856	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1857	};	2153	};
1858	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1861	}	2157	}
1862		2158
1863	sub save {	2159	sub save {
1864	my ($self) = @_;	2160	my ($self) = @_;
1865		2161
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2163
1868	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1869		2165
1870	return unless $self->dirty;	2166	return unless $self->dirty;
1871		2167
…		…
1877	return if $self->{deny_save};	2173	return if $self->{deny_save};
1878		2174
1879	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1880		2176
1881	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1883	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1884		2183
1885	if ($uniq) {	2184	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2187	} else {
…		…
1894	my ($self) = @_;	2193	my ($self) = @_;
1895		2194
1896	# save first because save cedes	2195	# save first because save cedes
1897	$self->save;	2196	$self->save;
1898		2197
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2199
1901	return if $self->players;	2200	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1903	return if $self->{deny_save};	2202	return if $self->{deny_save};
1904		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1905	$self->clear;	2208	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2209	}
1908		2210
1909	sub reset_at {	2211	sub reset_at {
1910	my ($self) = @_;	2212	my ($self) = @_;
1911		2213
…		…
1943	if $uniq;	2245	if $uniq;
1944	}	2246	}
1945		2247
1946	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1947		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2252	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2253
1952	$self->unlink_save;	2254	$self->unlink_save;
1953	$self->destroy;	2255	$self->destroy;
1954	}	2256	}
1955		2257
1956	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1957		2259
1958	sub nuke {	2260	sub nuke {
1959	my ($self) = @_;	2261	my ($self) = @_;
1960		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1961	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1962		2267
1963	$self->unlink_save;	2268	$self->unlink_save;
1964		2269
1965	bless $self, "cf::map";	2270	bless $self, "cf::map";
1966	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2275
1971	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1972		2278
1973	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
1974	}	2280	}
1975		2281
1976	=item $maps = cf::map::tmp_maps	2282	=item $maps = cf::map::tmp_maps
…		…
2018		2324
2019	sub unique_maps() {	2325	sub unique_maps() {
2020	[	2326	[
2021	map {	2327	map {
2022	utf8::decode $_;	2328	utf8::decode $_;
2023	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
2024	? normalise $_	2332	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2334	]
2028	}	2335	}
2029		2336
2030	package cf;
2031
2032	=back	2337	=back
2033		2338
2034	=head3 cf::object	2339	=head3 cf::object
2035		2340
2036	=cut	2341	=cut
…		…
2039		2344
2040	=over 4	2345	=over 4
2041		2346
2042	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
2043		2348
2044	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.
2045		2351
2046	=cut	2352	=cut
2047		2353
2048	sub inv_recursive_;	2354	sub inv_recursive_;
2049	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
2052		2358
2053	sub inv_recursive {	2359	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
2055	}	2361	}
2056		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
2057	package cf;	2391	package cf;
2058		2392
2059	=back	2393	=back
2060		2394
2061	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
2067	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>
2068	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
2069	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
2070		2404
2071	=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	};
2072		2420
2073	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2422	# with dialog boxes.
2075	#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
2076	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
2083		2431
2084	} else {	2432	} else {
2085	my $pl = $self->contr;	2433	my $pl = $self->contr;
2086		2434
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2436	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2438
2096	} else {	2439	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2442	}
2100	}	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 (@_);
2101	}	2454	}
2102		2455
2103	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
2104		2457
2105	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
2118		2471
2119	=item $player_object->enter_link	2472	=item $player_object->enter_link
2120		2473
2121	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}>).
2122		2475
2123	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.
2124	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.
2125		2480
2126	Will never block.	2481	Will never block.
2127		2482
2128	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
2129		2484
…		…
2184	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
2187		2542
2188	$map->load;	2543	$map->load;
2189	$map->load_diag;	2544	$map->load_neighbours;
2190		2545
2191	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2192	$self->activate_recursive;	2548	$self->activate_recursive;
2193		2549
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2196	}	2552	}
2197		2553
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199		2555
2200	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
2201	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2202	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
2203	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 >>.
2204		2564
2205	=cut	2565	=cut
2206		2566
2207	our $GOTOGEN;	2567	our $GOTOGEN;
2208		2568
2209	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
2211		2571
2212	# 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
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2574
2215	$self->enter_link;	2575	$self->enter_link;
2216		2576
2217	(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
2218	my $map = eval {	2599	my $map = eval {
2219	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2220		2601
2221	if ($map) {	2602	if ($map) {
2222	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2224	} else {	2605	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2607	}
2227		2608
2228	$map	2609	$map
2229	};	2610	};
2230		2611
…		…
2235		2616
2236	if ($gen == $self->{_goto_generation}) {	2617	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2618	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
2239	}	2620	}
		2621
		2622	$done->() if $done;
2240	})->prio (1);	2623	})->prio (1);
2241	}	2624	}
2242		2625
2243	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2244		2627
…		…
2264	}	2647	}
2265		2648
2266	sub prepare_random_map {	2649	sub prepare_random_map {
2267	my ($exit) = @_;	2650	my ($exit) = @_;
2268		2651
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2654	# that depends on the exit object
2274		2655
2275	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2658	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2282	}	2665	}
2283		2666
2284	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2285		2668
2286	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2289		2672
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2675	undef $fh;
2293	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2294		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2297	}	2684	}
2298	}	2685	}
2299		2686
2300	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2302		2689
2303	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2304		2691
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2692	$self->enter_link;
2317		2693
2318	(async {	2694	(async {
2319	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2320	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
2321	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2322		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
2323	1;	2718	1
2324	}) {	2719	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "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. "
2327	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2724
2330	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2349		2744
2350	utf8::encode $text;	2745	utf8::encode $text;
2351	$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);
2352	}	2747	}
2353		2748
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2750
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2751	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2752	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2753	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2754	the message unless the client supports the msg packet.
2360		2755
2361	=cut	2756	=cut
2362		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
2363	sub cf::client::send_msg {	2822	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	2823	my ($self, $channel, $msg, $color, @extra) = @_;
2365		2824
2366	$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	}
		2849
		2850	return unless @extra || length $msg;
2367		2851
2368	if ($self->can_msg) {	2852	if ($self->can_msg) {
2369	$self->send_packet ("msg " . cf::to_json [$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);
2370	} else {	2873	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380
2381	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
2382	if (0 && $msg =~ /\[/) {	2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2384	} else {	2892	} else {
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2386	$self->send_packet ("drawinfo $color $msg")	2894	$self->send_packet ("drawinfo $color $msg")
2387	}	2895	}
2388	}	2896	}
2389	}	2897	}
2390	}	2898	}
2391		2899
2392	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2393		2901
2394	Sends an exti event to the client.	2902	Sends an ext event to the client.
2395		2903
2396	=cut	2904	=cut
2397		2905
2398	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2400		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%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	}
2403	}	2933	}
2404		2934
2405	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2406		2936
2407	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		2940
2411	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	2942	become reliable at some point in the future.
2413		2943
2414	=cut	2944	=cut
2415		2945
2416	sub cf::client::query {	2946	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	2955	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		2957
2428	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2430	}	2962	}
2431		2963
2432	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2433	on_reply => sub {	2970	on_reply => sub {
2434	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2435		2972
2436	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2437	# get handled first	2974	# get handled first
…		…
2449	} else {	2986	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	2988	}
2452	}	2989	}
2453	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		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
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2454	);	3017	);
2455		3018
2456	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2457		3020
2458	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2499	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2501		3064
2502	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2503		3066
2504	$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	));
2505		3072
2506	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2507		3074
2508	=pod	3075	=pod
2509		3076
2510	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2511		3078
2512	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2513	cf::object::player player	3083	cf::object::player
2514	cf::player peaceful	3084	player
2515	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2516		3091
2517	=cut	3092	=cut
2518		3093
2519	for (	3094	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2521	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2523	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2524	) {	3101	) {
2525	no strict 'refs';	3102	no strict 'refs';
…		…
2601	# the server's init and main functions	3178	# the server's init and main functions
2602		3179
2603	sub load_facedata($) {	3180	sub load_facedata($) {
2604	my ($path) = @_;	3181	my ($path) = @_;
2605		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
2606	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2607		3190
2608	my $facedata;	3191	my $facedata;
2609	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2610	or die "$path: $!";	3193	or die "$path: $!";
…		…
2612	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2613		3196
2614	$facedata->{version} == 2	3197	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		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
2617	{	3207	{
2618	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2619		3209
2620	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2625	Coro::cede;	3217
		3218	cf::cede_to_tick;
2626	}	3219	}
2627		3220
2628	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2630	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2631	or next;	3225	or next;
		3226
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3230	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3232	}
2637	Coro::cede;	3233
		3234	cf::cede_to_tick;
2638	}	3235	}
2639	}	3236	}
2640		3237
2641	{	3238	{
2642	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2643		3240
2644	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3243	cf::cede_to_tick;
2647	}	3244	}
2648		3245
2649	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2650	}	3247	}
2651		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
2652	1	3284	1
2653	}	3285	}
2654		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
2655	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
2656	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2657	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	}
2658	}	3337	}
2659		3338
2660	sub reload_facedata {	3339	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2673	}	3352	}
2674		3353
2675	sub reload_resources {	3354	sub reload_resources {
2676	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2677		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2678	reload_regions;	3359	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3360	reload_treasures;
2683		3361
2684	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2685	}	3363	}
2686		3364
2687	sub init {	3365	sub reload_config {
2688	reload_resources;
2689	}
2690
2691	sub cfg_load {
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2693	or return;	3367	or return;
2694		3368
2695	local $/;	3369	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2697		3371
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2699		3373
2700	$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};
2701	$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};
…		…
2707	};	3381	};
2708	warn $@ if $@;	3382	warn $@ if $@;
2709	}	3383	}
2710	}	3384	}
2711		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
2712	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
2713	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2715	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#
2716	(async {	3424	(async {
2717	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2719	};	3428	};
2720		3429
2721	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2722	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
2723	load_extensions;	3448	load_extensions;
2724		3449
2725	$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
2726	Event::loop;	3458	EV::loop;
2727	}	3459	}
2728		3460
2729	#############################################################################	3461	#############################################################################
2730	# initialisation and cleanup	3462	# initialisation and cleanup
2731		3463
2732	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2733	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2742	},
2743	);	3470	};
2744	}	3471	}
2745	}	3472	}
2746		3473
2747	sub write_runtime {	3474	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";
2749
2750	# first touch the runtime file to show we are still running:	3475	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3476	# the fsync below can take a very very long time.
2752		3477
2753	IO::AIO::aio_utime $runtime, undef, undef;	3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3479
2755	my $guard = cf::lock_acquire "write_runtime";	3480	my $guard = cf::lock_acquire "write_runtime";
2756		3481
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2758	or return;	3483	or return;
2759		3484
2760	my $value = $cf::RUNTIME + 90 + 10;	3485	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3486	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3487	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3497	aio_utime $fh, undef, undef;
2773		3498
2774	close $fh	3499	close $fh
2775	or return;	3500	or return;
2776		3501
2777	aio_rename "$runtime~", $runtime	3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3503	and return;
2779		3504
2780	warn "runtime file written.\n";	3505	warn "runtime file written.\n";
2781		3506
2782	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($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2783	}	3558	}
2784		3559
2785	sub emergency_save() {	3560	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2787		3562
…		…
2793	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2795	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3574	$pl->save;
2799	}	3575	}
2800	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2801		3577
2802	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2808	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2809		3585
2810	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2813	};	3593	};
2814		3594
2815	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2816	}	3596	}
2817		3597
2818	sub post_cleanup {	3598	sub post_cleanup {
2819	my ($make_core) = @_;	3599	my ($make_core) = @_;
2820		3600
2821	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
2823	}	3632	}
2824		3633
2825	sub do_reload_perl() {	3634	sub do_reload_perl() {
2826	# can/must only be called in main	3635	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2828	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2829	return;	3638	return;
2830	}	3639	}
2831		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2832	warn "reloading...";	3644	warn "reloading...";
2833		3645
2834	warn "entering sync_job";	3646	warn "entering sync_job";
2835		3647
2836	cf::sync_job {	3648	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2838	cf::emergency_save;	3650	cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2840		3652
2841	warn "syncing database to disk";	3653	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2843		3655
2844	# 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
2845		3657
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2857	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();
2865
2866	warn "removing commands";
2867	%COMMAND = ();
2868
2869	warn "removing ext commands";
2870	%EXTCMD = ();
2871
2872	warn "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";
2875
2876	if (my $cb = $pkg->can ("unload")) {
2877	eval {
2878	$cb->($pkg);
2879	1
2880	} or warn "$pkg unloaded, but with errors: $@";
2881	}	3661	}
2882		3662
2883	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2884	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2885	}	3665	%EXT_CORO = ();
2886		3666
2887	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2888	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2891	warn "... unloading $k";	3676	warn "... unloading $pkg";
2892	delete $INC{$k};
2893		3677
2894	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;
2896
2897	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2898	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2899	}	3687	}
2900		3688
2901	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 $k;
2902	}	3704	}
2903		3705
2904	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2906	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);
2907		3709
2908	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2911		3713
2912	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3715	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2915		3717
2916	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2917		3719
2918	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2919	require cf;	3721	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2921		3723
2922	warn "loading config and database again";	3724	warn "loading config and database again";
2923	cf::cfg_load;	3725	cf::reload_config;
2924		3726
2925	warn "loading extensions";	3727	warn "loading extensions";
2926	cf::load_extensions;	3728	cf::load_extensions;
2927		3729
2928	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2934		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2935	warn "leaving sync_job";	3740	warn "leaving sync_job";
2936		3741
2937	1	3742	1
2938	} or do {	3743	} or do {
2939	warn $@;	3744	warn $@;
2940	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2941	exit 1;
2942	};	3746	};
2943		3747
2944	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2945	};	3751	};
2946		3752
2947	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2948		3754
2949	sub reload_perl() {	3755	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2952		3758
2953	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2954	reentrant => 0,
2955	after => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => sub {
2958	do_reload_perl;	3760	do_reload_perl;
2959	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2960	},
2961	);	3762	};
2962	}	3763	}
2963		3764
2964	register_command "reload" => sub {	3765	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2966		3767
2967	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	3772	reload_perl;
		3773	};
2970	}	3774	}
2971	};	3775	};
2972		3776
2973	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2974		3778
…		…
2976		3780
2977	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2979		3783
2980	sub wait_for_tick {	3784	sub wait_for_tick {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2983		3786
2984	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	3789	$signal->wait;
2987	}	3790	}
2988		3791
2989	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2992		3794
2993	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	3797	$signal->wait;
2996	}	3798	}
2997		3799
2998	my $min = 1e6;#d#	3800	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3010	return;	3804	return;
3011	}	3805	}
3012		3806
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3016		3808
3017	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	3811	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3021	or die;	3813	write_runtime_sync
3022		3814	or warn "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	3815	};
		3816	}
3039		3817
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	3819	$sig->send;
3056	}	3820	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	3822	$sig->send;
3059	}	3823	}
3060		3824
3061	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		3827
3072	_post_tick;	3828	if (0) {
3073		3829	if ($NEXT_TICK) {
3074		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3075	},	3834	}
3076	);	3835	}
3077		3836
3078	{	3837	{
3079	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	3839
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3089		3841	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		3843
3105	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3106	$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);
3107		3851
3108	cf::sync_job {	3852	cf::sync_job {
3109	eval {	3853	eval {
3110	BDB::db_env_open	3854	BDB::db_env_open
3111	$DB_ENV,	3855	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	3859	0666;
3116		3860
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	3862	};
3122		3863
3123	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	3865	};
3125	}	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	};
3126	}	3877	}
3127		3878
3128	{	3879	{
		3880	# configure IO::AIO
		3881
3129	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	3885	}
3142		3886
3143	my $_log_backtrace;	3887	my $_log_backtrace;
3144		3888
3145	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3149		3893
3150	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3153	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3154	my @bt = fork_call {	3901	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	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 |"
3158	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3166	}	3913	}
3167		3914
3168	@funcs	3915	@funcs
3169	};	3916	};
3170		3917
3171	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	3921	--$_log_backtrace;
3174	};	3922	};
3175	} else {	3923	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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